diff options
Diffstat (limited to 'progs')
58 files changed, 3075 insertions, 228 deletions
diff --git a/progs/beos/.gitignore b/progs/beos/.gitignore new file mode 100644 index 0000000000..53011ca2e6 --- /dev/null +++ b/progs/beos/.gitignore @@ -0,0 +1,3 @@ +demo +GLInfo +sample diff --git a/progs/demos/.gitignore b/progs/demos/.gitignore index f764b3d117..ad20499f1e 100644 --- a/progs/demos/.gitignore +++ b/progs/demos/.gitignore @@ -1,17 +1,25 @@ .cvsignore arbfplight +arbfslight arbocclude bounce clearspd +copypix cubemap drawpix +engine +extfuncs.h fire +fogcoord fplight +fslight gamma +gearbox gears geartrain glinfo gloss +glslnoise gltestperf glutfx ipers @@ -33,8 +41,11 @@ renormal shadowtex showbuffer.c showbuffer.h +singlebuffer spectex +spriteblast stex3d +streaming_rect teapot terrain tessdemo @@ -42,7 +53,10 @@ texcyl texdown texenv texobj +trackball.c +trackball.h trispd tunnel tunnel2 +vao_demo winpos diff --git a/progs/demos/Makefile b/progs/demos/Makefile index cf96828ed7..4d9eb30b68 100644 --- a/progs/demos/Makefile +++ b/progs/demos/Makefile @@ -19,6 +19,7 @@ PROGS = \ arbocclude \ bounce \ clearspd \ + copypix \ cubemap \ drawpix \ engine \ @@ -74,7 +75,7 @@ PROGS = \ # make executable from .c file: .c: $(LIB_DEP) readtex.o - $(CC) -I$(INCDIR) $(CFLAGS) $< readtex.o $(APP_LIB_DEPS) -o $@ + $(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) $< readtex.o $(APP_LIB_DEPS) -o $@ ##### TARGETS ##### @@ -118,41 +119,45 @@ extfuncs.h: $(TOP)/progs/util/extfuncs.h reflect: reflect.o showbuffer.o readtex.o - $(CC) reflect.o showbuffer.o readtex.o $(APP_LIB_DEPS) -o $@ + $(CC) $(LDFLAGS) reflect.o showbuffer.o readtex.o $(APP_LIB_DEPS) -o $@ reflect.o: reflect.c showbuffer.h $(CC) -c -I$(INCDIR) $(CFLAGS) reflect.c shadowtex: shadowtex.o showbuffer.o - $(CC) shadowtex.o showbuffer.o $(APP_LIB_DEPS) -o $@ + $(CC) $(LDFLAGS) shadowtex.o showbuffer.o $(APP_LIB_DEPS) -o $@ shadowtex.o: shadowtex.c showbuffer.h $(CC) -c -I$(INCDIR) $(CFLAGS) shadowtex.c gloss: gloss.o trackball.o readtex.o - $(CC) gloss.o trackball.o readtex.o $(APP_LIB_DEPS) -o $@ + $(CC) $(LDFLAGS) gloss.o trackball.o readtex.o $(APP_LIB_DEPS) -o $@ gloss.o: gloss.c trackball.h $(CC) -c -I$(INCDIR) $(CFLAGS) gloss.c engine: engine.o trackball.o readtex.o - $(CC) engine.o trackball.o readtex.o $(APP_LIB_DEPS) -o $@ + $(CC) $(LDFLAGS) engine.o trackball.o readtex.o $(APP_LIB_DEPS) -o $@ engine.o: engine.c trackball.h $(CC) -c -I$(INCDIR) $(CFLAGS) engine.c fslight: fslight.o - $(CC) fslight.o $(APP_LIB_DEPS) -o $@ + $(CC) $(LDFLAGS) fslight.o $(APP_LIB_DEPS) -o $@ fslight.o: fslight.c extfuncs.h $(CC) -c -I$(INCDIR) $(CFLAGS) fslight.c +viewdds: viewdds.c + $(CC) -I$(INCDIR) $(CFLAGS) $< readtex.o $(APP_LIB_DEPS) -L. -lgltc -o $@ + + clean: -rm -f $(PROGS) -rm -f *.o *~ diff --git a/progs/demos/copypix.c b/progs/demos/copypix.c new file mode 100644 index 0000000000..15001e851b --- /dev/null +++ b/progs/demos/copypix.c @@ -0,0 +1,248 @@ +/** + * glCopyPixels test + * + * Brian Paul + * 14 Sep 2007 + */ + + +#define GL_GLEXT_PROTOTYPES + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <GL/glut.h> + +#include "readtex.h" + +#define IMAGE_FILE "../images/arch.rgb" + +static int ImgWidth, ImgHeight; +static GLenum ImgFormat; +static GLubyte *Image = NULL; + +static int WinWidth = 800, WinHeight = 800; +static int Xpos, Ypos; +static int Scissor = 0; +static float Xzoom, Yzoom; +static GLboolean DrawFront = GL_FALSE; +static GLboolean Dither = GL_TRUE; + + +static void Reset( void ) +{ + Xpos = Ypos = 20; + Scissor = 0; + Xzoom = Yzoom = 1.0; +} + + +static void Display( void ) +{ + const int dx = (WinWidth - ImgWidth) / 2; + const int dy = (WinHeight - ImgHeight) / 2; + + if (DrawFront) { + glDrawBuffer(GL_FRONT); + glReadBuffer(GL_FRONT); + } + else { + glDrawBuffer(GL_BACK); + glReadBuffer(GL_BACK); + } + + glClear( GL_COLOR_BUFFER_BIT ); + + /* draw original image */ + glWindowPos2iARB(dx, dy); + glDrawPixels(ImgWidth, ImgHeight, ImgFormat, GL_UNSIGNED_BYTE, Image); + + if (Scissor) + glEnable(GL_SCISSOR_TEST); + + /* draw copy */ + glPixelZoom(Xzoom, Yzoom); + glWindowPos2iARB(Xpos, Ypos); + glCopyPixels(dx, dy, ImgWidth, ImgHeight, GL_COLOR); + glPixelZoom(1, 1); + + glDisable(GL_SCISSOR_TEST); + + if (DrawFront) + glFinish(); + else + glutSwapBuffers(); +} + + +static void Reshape( int width, int height ) +{ + WinWidth = width; + WinHeight = height; + + glViewport( 0, 0, width, height ); + glMatrixMode( GL_PROJECTION ); + glLoadIdentity(); + glOrtho( 0.0, width, 0.0, height, 0.0, 2.0 ); + glMatrixMode( GL_MODELVIEW ); + glLoadIdentity(); + + glScissor(width/4, height/4, width/2, height/2); +} + + +static void Key( unsigned char key, int x, int y ) +{ + (void) x; + (void) y; + switch (key) { + case ' ': + Reset(); + break; + case 'd': + Dither = !Dither; + if (Dither) + glEnable(GL_DITHER); + else + glDisable(GL_DITHER); + break; + case 's': + Scissor = !Scissor; + break; + case 'x': + Xzoom -= 0.1; + break; + case 'X': + Xzoom += 0.1; + break; + case 'y': + Yzoom -= 0.1; + break; + case 'Y': + Yzoom += 0.1; + break; + case 'f': + DrawFront = !DrawFront; + printf("glDrawBuffer(%s)\n", DrawFront ? "GL_FRONT" : "GL_BACK"); + break; + case 27: + exit(0); + break; + } + glutPostRedisplay(); +} + + +static void SpecialKey( int key, int x, int y ) +{ + const int step = (glutGetModifiers() & GLUT_ACTIVE_SHIFT) ? 10 : 1; + (void) x; + (void) y; + switch (key) { + case GLUT_KEY_UP: + Ypos += step; + break; + case GLUT_KEY_DOWN: + Ypos -= step; + break; + case GLUT_KEY_LEFT: + Xpos -= step; + break; + case GLUT_KEY_RIGHT: + Xpos += step; + break; + } + glutPostRedisplay(); +} + + +static void Init( GLboolean ciMode, const char *filename ) +{ + printf("GL_VERSION = %s\n", (char *) glGetString(GL_VERSION)); + printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER)); + + Image = LoadRGBImage( filename, &ImgWidth, &ImgHeight, &ImgFormat ); + if (!Image) { + printf("Couldn't read %s\n", filename); + exit(0); + } + + if (ciMode) { + /* Convert RGB image to grayscale */ + GLubyte *indexImage = (GLubyte *) malloc( ImgWidth * ImgHeight ); + GLint i; + for (i=0; i<ImgWidth*ImgHeight; i++) { + int gray = Image[i*3] + Image[i*3+1] + Image[i*3+2]; + indexImage[i] = gray / 3; + } + free(Image); + Image = indexImage; + ImgFormat = GL_COLOR_INDEX; + + for (i=0;i<255;i++) { + float g = i / 255.0; + glutSetColor(i, g, g, g); + } + } + + printf("Loaded %d by %d image\n", ImgWidth, ImgHeight ); + + glPixelStorei(GL_UNPACK_ALIGNMENT, 1); + glPixelStorei(GL_UNPACK_ROW_LENGTH, ImgWidth); + + Reset(); +} + + +static void Usage(void) +{ + printf("Keys:\n"); + printf(" SPACE Reset Parameters\n"); + printf(" Up/Down Move image up/down (SHIFT for large step)\n"); + printf(" Left/Right Move image left/right (SHIFT for large step)\n"); + printf(" x Decrease X-axis PixelZoom\n"); + printf(" X Increase X-axis PixelZoom\n"); + printf(" y Decrease Y-axis PixelZoom\n"); + printf(" Y Increase Y-axis PixelZoom\n"); + printf(" s Toggle GL_SCISSOR_TEST\n"); + printf(" f Toggle front/back buffer drawing\n"); + printf(" ESC Exit\n"); +} + + +int main( int argc, char *argv[] ) +{ + GLboolean ciMode = GL_FALSE; + const char *filename = IMAGE_FILE; + int i = 1; + + if (argc > i && strcmp(argv[i], "-ci")==0) { + ciMode = GL_TRUE; + i++; + } + if (argc > i) { + filename = argv[i]; + } + + glutInit( &argc, argv ); + glutInitWindowPosition( 0, 0 ); + glutInitWindowSize( WinWidth, WinHeight ); + + if (ciMode) + glutInitDisplayMode( GLUT_INDEX | GLUT_DOUBLE ); + else + glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE); + + glutCreateWindow(argv[0]); + + Init(ciMode, filename); + Usage(); + + glutReshapeFunc( Reshape ); + glutKeyboardFunc( Key ); + glutSpecialFunc( SpecialKey ); + glutDisplayFunc( Display ); + + glutMainLoop(); + return 0; +} diff --git a/progs/demos/cubemap.c b/progs/demos/cubemap.c index ef5d235550..b3bdd64f68 100644 --- a/progs/demos/cubemap.c +++ b/progs/demos/cubemap.c @@ -47,6 +47,8 @@ static GLfloat Xrot = 0, Yrot = 0; static GLfloat EyeDist = 10; static GLboolean use_vertex_arrays = GL_FALSE; static GLboolean anim = GL_TRUE; +static GLboolean NoClear = GL_FALSE; +static GLint FrameParity = 0; #define eps1 0.99 #define br 20.0 /* box radius */ @@ -156,7 +158,30 @@ static void draw_skybox( void ) static void draw( void ) { - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + if (NoClear) { + /* This demonstrates how we can avoid calling glClear. + * This method only works if every pixel in the window is painted for + * every frame. + * We can simply skip clearing of the color buffer in this case. + * For the depth buffer, we alternately use a different subrange of + * the depth buffer for each frame. For the odd frame use the range + * [0, 0.5] with GL_LESS. For the even frames, use the range [1, 0.5] + * with GL_GREATER. + */ + FrameParity = 1 - FrameParity; + if (FrameParity) { + glDepthRange(0.0, 0.5); + glDepthFunc(GL_LESS); + } + else { + glDepthRange(1.0, 0.5); + glDepthFunc(GL_GREATER); + } + } + else { + /* ordinary clearing */ + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + } glPushMatrix(); /*MODELVIEW*/ glTranslatef( 0.0, 0.0, -EyeDist ); @@ -452,6 +477,24 @@ static void usage(void) } +static void parse_args(int argc, char *argv[]) +{ + int initFlag = 0; + int i; + + for (i = 1; i < argc; i++) { + if (strcmp(argv[i], "-i") == 0) + initFlag = 1; + else if (strcmp(argv[i], "--noclear") == 0) + NoClear = GL_TRUE; + else { + fprintf(stderr, "Bad option: %s\n", argv[i]); + exit(1); + } + } + init (initFlag); +} + int main( int argc, char *argv[] ) { glutInit(&argc, argv); @@ -459,17 +502,13 @@ int main( int argc, char *argv[] ) glutInitWindowSize(600, 500); glutInitDisplayMode( GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE ); glutCreateWindow("Texture Cube Mapping"); - - if (argc > 1 && strcmp(argv[1] , "-i") == 0) - init( 1 ); - else - init( 0 ); glutReshapeFunc( reshape ); glutKeyboardFunc( key ); glutSpecialFunc( specialkey ); glutDisplayFunc( draw ); if (anim) glutIdleFunc(idle); + parse_args(argc, argv); usage(); glutMainLoop(); return 0; diff --git a/progs/demos/shadowtex.c b/progs/demos/shadowtex.c index 59253e8c1e..c2d40bda74 100644 --- a/progs/demos/shadowtex.c +++ b/progs/demos/shadowtex.c @@ -84,6 +84,7 @@ static const char *FragProgNames[] = { "program with \"OPTION ARB_fragment_program_shadow\"", }; +static GLboolean HaveShadow = GL_FALSE; static GLboolean HaveFBO = GL_FALSE; static GLboolean UseFBO = GL_FALSE; static GLboolean HaveVP = GL_FALSE; @@ -529,7 +530,10 @@ ShowShadowMap(void) DisableTexgen(); /* interpret texture's depth values as luminance values */ - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE_ARB, GL_NONE); + if (HaveShadow) { + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE_ARB, GL_NONE); + } + glTexParameteri(GL_TEXTURE_2D, GL_DEPTH_TEXTURE_MODE_ARB, GL_LUMINANCE); glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); @@ -596,7 +600,9 @@ Display(void) } if (DisplayMode == SHOW_DEPTH_MAPPING) { - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE_ARB, GL_NONE); + if (HaveShadow) { + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE_ARB, GL_NONE); + } glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); glEnable(GL_TEXTURE_2D); @@ -614,8 +620,10 @@ Display(void) } else { assert(DisplayMode == SHOW_SHADOWS); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE_ARB, - GL_COMPARE_R_TO_TEXTURE_ARB); + if (HaveShadow) { + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE_ARB, + GL_COMPARE_R_TO_TEXTURE_ARB); + } if (curr_frag > 0) { glEnable(GL_FRAGMENT_PROGRAM_ARB); @@ -723,6 +731,10 @@ Key(unsigned char key, int x, int y) break; case 'M': curr_frag = (1 + curr_frag) % max_frag; + if (!HaveShadow && (curr_frag == 0)) { + curr_frag = 1; + } + printf("Using fragment %s\n", FragProgNames[curr_frag]); if (HaveFP) { @@ -740,8 +752,10 @@ Key(unsigned char key, int x, int y) if (Operator >= 8) Operator = 0; printf("Operator: %s\n", OperatorName[Operator]); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC_ARB, - OperatorFunc[Operator]); + if (HaveShadow) { + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC_ARB, + OperatorFunc[Operator]); + } } break; case 'p': @@ -858,17 +872,31 @@ Init(void) { static const GLfloat borderColor[4] = {1.0, 0.0, 0.0, 0.0}; - if (!glutExtensionSupported("GL_ARB_depth_texture") || - !glutExtensionSupported("GL_ARB_shadow")) { - printf("Sorry, this demo requires the GL_ARB_depth_texture and GL_ARB_shadow extensions\n"); + if (!glutExtensionSupported("GL_ARB_depth_texture")) { + printf("Sorry, this demo requires the GL_ARB_depth_texture extension\n"); exit(1); } - printf("Using GL_ARB_depth_texture and GL_ARB_shadow\n"); + HaveShadow = glutExtensionSupported("GL_ARB_shadow"); HaveVP = glutExtensionSupported("GL_ARB_vertex_program"); HaveFP = glutExtensionSupported("GL_ARB_fragment_program"); HaveFP_Shadow = glutExtensionSupported("GL_ARB_fragment_program_shadow"); + if (!HaveShadow && !HaveFP) { + printf("Sorry, this demo requires either the GL_ARB_shadow extension " + "or the GL_ARB_fragment_program extension\n"); + exit(1); + } + + printf("Using GL_ARB_depth_texture\n"); + if (HaveShadow) { + printf("and GL_ARB_shadow\n"); + } + + if (HaveFP) { + printf("and GL_ARB_fragment_program\n"); + } + HaveShadowAmbient = glutExtensionSupported("GL_ARB_shadow_ambient"); if (HaveShadowAmbient) { printf("and GL_ARB_shadow_ambient\n"); @@ -895,9 +923,12 @@ Init(void) glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_BORDER_COLOR, borderColor); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE_ARB, - GL_COMPARE_R_TO_TEXTURE_ARB); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC_ARB, GL_LEQUAL); + + if (HaveShadow) { + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE_ARB, + GL_COMPARE_R_TO_TEXTURE_ARB); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC_ARB, GL_LEQUAL); + } if (HaveShadowAmbient) { glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FAIL_VALUE_ARB, 0.3); @@ -954,6 +985,11 @@ Init(void) max_frag = 3; } + if (!HaveShadow) { + curr_frag = 1; + glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, frag_progs[curr_frag]); + } + glEnable(GL_DEPTH_TEST); glEnable(GL_LIGHTING); glEnable(GL_LIGHT0); diff --git a/progs/demos/streaming_rect.c b/progs/demos/streaming_rect.c index 86e00803c0..4c1d8535fd 100644 --- a/progs/demos/streaming_rect.c +++ b/progs/demos/streaming_rect.c @@ -1,13 +1,9 @@ - /* - * GL_ARB_multitexture demo + * GL_ARB_pixel_buffer_object test * * Command line options: - * -info print GL implementation information - * + * -w WIDTH -h HEIGHT sets window size * - * Brian Paul November 1998 This program is in the public domain. - * Modified on 12 Feb 2002 for > 2 texture units. */ #define GL_GLEXT_PROTOTYPES @@ -25,6 +21,8 @@ #define PBO 11 #define QUIT 100 +static GLuint DrawPBO; + static GLboolean Animate = GL_TRUE; static GLboolean use_pbo = 1; static GLboolean whole_rect = 1; @@ -49,7 +47,7 @@ static void Idle( void ) } } -static int max( int a, int b ) { return a > b ? a : b; } +/*static int max( int a, int b ) { return a > b ? a : b; }*/ static int min( int a, int b ) { return a < b ? a : b; } static void DrawObject() @@ -62,6 +60,7 @@ static void DrawObject() * release the old copy of the texture and allocate a new one * without waiting for outstanding rendering to complete. */ + glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT, DrawPBO); glBufferDataARB(GL_PIXEL_UNPACK_BUFFER_EXT, size, NULL, GL_STREAM_DRAW_ARB); { @@ -69,7 +68,7 @@ static void DrawObject() printf("char %d\n", (unsigned char)(Drift * 255)); - memset(image, size, (unsigned char)(Drift * 255)); + memset(image, (unsigned char)(Drift * 255), size); glUnmapBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT); } @@ -86,7 +85,9 @@ static void DrawObject() if (image == NULL) image = malloc(size); - memset(image, size, (unsigned char)(Drift * 255)); + glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT, 0); + + memset(image, (unsigned char)(Drift * 255), size); /* BGRA should be the fast path for regular uploads as well. */ @@ -227,12 +228,12 @@ static void SpecialKey( int key, int x, int y ) static void Init( int argc, char *argv[] ) { const char *exten = (const char *) glGetString(GL_EXTENSIONS); - GLuint texObj, DrawPBO; + GLuint texObj; GLint size; - if (!strstr(exten, "GL_ARB_multitexture")) { - printf("Sorry, GL_ARB_multitexture not supported by this renderer.\n"); + if (!strstr(exten, "GL_ARB_pixel_buffer_object")) { + printf("Sorry, GL_ARB_pixel_buffer_object not supported by this renderer.\n"); exit(1); } diff --git a/progs/directfb/.gitignore b/progs/directfb/.gitignore new file mode 100644 index 0000000000..55d65fb5b0 --- /dev/null +++ b/progs/directfb/.gitignore @@ -0,0 +1,4 @@ +df_gears +df_morph3d +df_reflect +multi_window diff --git a/progs/directfb/Makefile b/progs/directfb/Makefile index 53b100a18d..e03680e516 100644 --- a/progs/directfb/Makefile +++ b/progs/directfb/Makefile @@ -22,7 +22,7 @@ PROGS = df_gears \ .SUFFIXES: .c .c: $(LIB_DEP) - $(CC) -I$(INCDIR) $(CFLAGS) $< $(APP_LIB_DEPS) -o $@ + $(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) $< $(APP_LIB_DEPS) -o $@ ##### TARGETS ##### diff --git a/progs/egl/.gitignore b/progs/egl/.gitignore new file mode 100644 index 0000000000..1751108235 --- /dev/null +++ b/progs/egl/.gitignore @@ -0,0 +1,5 @@ +demo1 +demo2 +demo3 +eglgears +eglinfo diff --git a/progs/egl/Makefile b/progs/egl/Makefile index 33447a9d57..07215604d3 100644 --- a/progs/egl/Makefile +++ b/progs/egl/Makefile @@ -25,35 +25,35 @@ default: $(PROGRAMS) demo1: demo1.o $(TOP)/$(LIB_DIR)/libEGL.so - $(CC) $(CFLAGS) demo1.o -L$(TOP)/$(LIB_DIR) -lEGL $(LIBDRM_LIB) -o $@ + $(CC) $(CFLAGS) $(LDFLAGS) demo1.o -L$(TOP)/$(LIB_DIR) -lEGL $(LIBDRM_LIB) -o $@ demo1.o: demo1.c $(HEADERS) $(CC) -c $(CFLAGS) -I$(TOP)/include demo1.c demo2: demo2.o $(TOP)/$(LIB_DIR)/libEGL.so - $(CC) $(CFLAGS) demo2.o -L$(TOP)/$(LIB_DIR) -lEGL $(LIBDRM_LIB) $(APP_LIB_DEPS) -o $@ + $(CC) $(CFLAGS) $(LDFLAGS) demo2.o -L$(TOP)/$(LIB_DIR) -lEGL $(LIBDRM_LIB) $(APP_LIB_DEPS) -o $@ demo2.o: demo2.c $(HEADERS) $(CC) -c $(CFLAGS) -I$(TOP)/include demo2.c demo3: demo3.o $(TOP)/$(LIB_DIR)/libEGL.so - $(CC) $(CFLAGS) demo3.o -L$(TOP)/$(LIB_DIR) -lEGL $(LIBDRM_LIB) $(APP_LIB_DEPS) -o $@ + $(CC) $(CFLAGS) $(LDFLAGS) demo3.o -L$(TOP)/$(LIB_DIR) -lEGL $(LIBDRM_LIB) $(APP_LIB_DEPS) -o $@ demo3.o: demo3.c $(HEADERS) $(CC) -c $(CFLAGS) -I$(TOP)/include demo3.c eglinfo: eglinfo.o $(TOP)/$(LIB_DIR)/libEGL.so - $(CC) $(CFLAGS) eglinfo.o -L$(TOP)/$(LIB_DIR) -lEGL $(LIBDRM_LIB) -o $@ + $(CC) $(CFLAGS) $(LDFLAGS) eglinfo.o -L$(TOP)/$(LIB_DIR) -lEGL $(LIBDRM_LIB) -o $@ eglinfo.o: eglinfo.c $(HEADERS) $(CC) -c $(CFLAGS) -I$(TOP)/include eglinfo.c eglgears: eglgears.o $(TOP)/$(LIB_DIR)/libEGL.so - $(CC) $(CFLAGS) eglgears.o -L$(TOP)/$(LIB_DIR) -lEGL $(LIBDRM_LIB) $(APP_LIB_DEPS) -o $@ + $(CC) $(CFLAGS) $(LDFLAGS) eglgears.o -L$(TOP)/$(LIB_DIR) -lEGL $(LIBDRM_LIB) $(APP_LIB_DEPS) -o $@ eglgears.o: eglgears.c $(HEADERS) $(CC) -c $(CFLAGS) -I$(TOP)/include eglgears.c diff --git a/progs/fbdev/.gitignore b/progs/fbdev/.gitignore new file mode 100644 index 0000000000..b9ddf559fd --- /dev/null +++ b/progs/fbdev/.gitignore @@ -0,0 +1 @@ +glfbdevtest diff --git a/progs/fbdev/Makefile b/progs/fbdev/Makefile index 0a0c77906f..92bfd043c1 100644 --- a/progs/fbdev/Makefile +++ b/progs/fbdev/Makefile @@ -22,7 +22,7 @@ INCLUDES = \ .SUFFIXES: .c .c: - $(CC) $(INCLUDES) $(CFLAGS) $< $(APP_LIB_DEPS) -o $@ + $(CC) $(INCLUDES) $(CFLAGS) $(LDFLAGS) $< $(APP_LIB_DEPS) -o $@ .c.o: $(CC) -c $(INCLUDES) $(CFLAGS) $< -o $@ diff --git a/progs/fp/.gitignore b/progs/fp/.gitignore new file mode 100644 index 0000000000..b265f1fed7 --- /dev/null +++ b/progs/fp/.gitignore @@ -0,0 +1,42 @@ +point-position +readtex.c +readtex.h +tri-abs +tri-add +tri-cmp +tri-cos +tri-depth +tri-depth2 +tri-depthwrite +tri-depthwrite2 +tri-dp3 +tri-dp4 +tri-dph +tri-dst +tri-ex2 +tri-flr +tri-frc +tri-kil +tri-lg2 +tri-lit +tri-lrp +tri-mad +tri-max +tri-min +tri-mov +tri-mul +tri-param +tri-position +tri-pow +tri-rcp +tri-rsq +tri-scs +tri-sge +tri-sge2 +tri-sin +tri-slt +tri-sub +tri-swz +tri-swz2 +tri-tex +tri-xpd diff --git a/progs/glsl/.gitignore b/progs/glsl/.gitignore new file mode 100644 index 0000000000..b63693bbb5 --- /dev/null +++ b/progs/glsl/.gitignore @@ -0,0 +1,13 @@ +bitmap +brick +bump +deriv +extfuncs.h +mandelbrot +noise +points +readtex.c +readtex.h +texdemo1 +trirast +toyball diff --git a/progs/glsl/Makefile b/progs/glsl/Makefile index 37fa312c30..8b44239b43 100644 --- a/progs/glsl/Makefile +++ b/progs/glsl/Makefile @@ -8,13 +8,16 @@ INCDIR = $(TOP)/include LIB_DEP = $(TOP)/$(LIB_DIR)/$(GL_LIB_NAME) $(TOP)/$(LIB_DIR)/$(GLU_LIB_NAME) $(TOP)/$(LIB_DIR)/$(GLUT_LIB_NAME) PROGS = \ + bitmap \ brick \ bump \ deriv \ mandelbrot \ noise \ + points \ + texdemo1 \ toyball \ - texdemo1 + trirast ##### RULES ##### @@ -25,7 +28,7 @@ PROGS = \ # make executable from .c file: .c: $(LIB_DEP) - $(CC) -I$(INCDIR) $(CFLAGS) $< $(APP_LIB_DEPS) -o $@ + $(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) $< $(APP_LIB_DEPS) -o $@ ##### TARGETS ##### @@ -48,16 +51,20 @@ readtex.h: $(TOP)/progs/util/readtex.h readtex.o: readtex.c readtex.h $(CC) -c -I$(INCDIR) $(CFLAGS) readtex.c +bitmap.c: extfuncs.h + brick.c: extfuncs.h bump.c: extfuncs.h mandelbrot.c: extfuncs.h +points.c: extfuncs.h + toyball.c: extfuncs.h texdemo1: texdemo1.o readtex.o - $(CC) -I$(INCDIR) $(CFLAGS) texdemo1.o readtex.o $(APP_LIB_DEPS) -o $@ + $(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) texdemo1.o readtex.o $(APP_LIB_DEPS) -o $@ texdemo1.o: texdemo1.c readtex.h extfuncs.h $(CC) -c -I$(INCDIR) $(CFLAGS) texdemo1.c diff --git a/progs/glsl/bitmap.c b/progs/glsl/bitmap.c new file mode 100644 index 0000000000..4b62686cbf --- /dev/null +++ b/progs/glsl/bitmap.c @@ -0,0 +1,368 @@ +/** + * Implement glRasterPos + glBitmap with textures + shaders. + * Brian Paul + * 14 May 2007 + */ + +#include <assert.h> +#include <string.h> +#include <stdio.h> +#include <stdlib.h> +#include <math.h> +#include <GL/gl.h> +#include <GL/glut.h> +#include <GL/glext.h> +#include "extfuncs.h" + + +static GLuint FragShader; +static GLuint VertShader; +static GLuint Program; + +static GLint Win = 0; +static GLint WinWidth = 500, WinHeight = 500; +static GLboolean Anim = GL_TRUE; +static GLboolean Bitmap = GL_FALSE; +static GLfloat Xrot = 20.0f, Yrot = 70.0f; +static GLint uTex, uScale; +static GLuint Textures[2]; + +#define TEX_WIDTH 16 +#define TEX_HEIGHT 8 + + +static void +BitmapText(const char *s) +{ + while (*s) { + glutBitmapCharacter(GLUT_BITMAP_8_BY_13, (int) *s); + s++; + } +} + + +static void +Redisplay(void) +{ + static const GLfloat px[3] = { 1.2, 0, 0}; + static const GLfloat nx[3] = {-1.2, 0, 0}; + + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + + glPushMatrix(); + glRotatef(Xrot, 1.0f, 0.0f, 0.0f); + glRotatef(Yrot, 0.0f, 1.0f, 0.0f); + + glEnable(GL_LIGHTING); + + glPushMatrix(); + glScalef(0.5, 0.5, 0.5); + glutSolidDodecahedron(); + glPopMatrix(); + + glDisable(GL_LIGHTING); + + glColor3f(0, 1, 0); + glBegin(GL_LINES); + glVertex3f(-1, 0, 0); + glVertex3f( 1, 0, 0); + glEnd(); + + glColor3f(1, 1, 0); + + if (Bitmap) { + glRasterPos3fv(px); + BitmapText("+X"); + glRasterPos3fv(nx); + BitmapText("-X"); + } + else { + glUseProgram_func(Program); + + /* vertex positions (deltas) depend on texture size and window size */ + if (uScale != -1) { + glUniform2f_func(uScale, + 2.0 * TEX_WIDTH / WinWidth, + 2.0 * TEX_HEIGHT / WinHeight); + } + + /* draw +X */ + glBindTexture(GL_TEXTURE_2D, Textures[0]); + glBegin(GL_QUADS); + glTexCoord2f(0, 0); glVertex3fv(px); + glTexCoord2f(1, 0); glVertex3fv(px); + glTexCoord2f(1, 1); glVertex3fv(px); + glTexCoord2f(0, 1); glVertex3fv(px); + glEnd(); + + /* draw -X */ + glBindTexture(GL_TEXTURE_2D, Textures[1]); + glBegin(GL_QUADS); + glTexCoord2f(0, 0); glVertex3fv(nx); + glTexCoord2f(1, 0); glVertex3fv(nx); + glTexCoord2f(1, 1); glVertex3fv(nx); + glTexCoord2f(0, 1); glVertex3fv(nx); + glEnd(); + + glUseProgram_func(0); + } + + glPopMatrix(); + + glutSwapBuffers(); +} + + +static void +Idle(void) +{ + Yrot = glutGet(GLUT_ELAPSED_TIME) * 0.01; + glutPostRedisplay(); +} + + +static void +Reshape(int width, int height) +{ + WinWidth = width; + WinHeight = height; + glViewport(0, 0, width, height); + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + glFrustum(-1.0, 1.0, -1.0, 1.0, 5.0, 25.0); + glMatrixMode(GL_MODELVIEW); + glLoadIdentity(); + glTranslatef(0.0f, 0.0f, -10.0f); +} + + +static void +Key(unsigned char key, int x, int y) +{ + (void) x; + (void) y; + + switch(key) { + case ' ': + case 'a': + Anim = !Anim; + if (Anim) + glutIdleFunc(Idle); + else + glutIdleFunc(NULL); + break; + case 'b': + Bitmap = !Bitmap; + if (Bitmap) + printf("Using glBitmap\n"); + else + printf("Using billboard texture\n"); + break; + case 27: + glDeleteShader_func(FragShader); + glDeleteShader_func(VertShader); + glDeleteProgram_func(Program); + glutDestroyWindow(Win); + exit(0); + } + glutPostRedisplay(); +} + + +static void +SpecialKey(int key, int x, int y) +{ + const GLfloat step = 0.125f; + switch(key) { + case GLUT_KEY_UP: + Xrot -= step; + break; + case GLUT_KEY_DOWN: + Xrot += step; + break; + case GLUT_KEY_LEFT: + Yrot -= step; + break; + case GLUT_KEY_RIGHT: + Yrot += step; + break; + } + /*printf("Xrot: %f Yrot: %f\n", Xrot, Yrot);*/ + glutPostRedisplay(); +} + + +static void +MakeTexImage(const char *p, GLuint texobj) +{ + GLubyte image[TEX_HEIGHT][TEX_WIDTH]; + GLuint i, j, k; + + for (i = 0; i < TEX_HEIGHT; i++) { + for (j = 0; j < TEX_WIDTH; j++) { + k = i * TEX_WIDTH + j; + if (p[k] == ' ') { + image[i][j] = 0; + } + else { + image[i][j] = 255; + } + } + } + + glBindTexture(GL_TEXTURE_2D, texobj); + glTexImage2D(GL_TEXTURE_2D, 0, GL_INTENSITY, TEX_WIDTH, TEX_HEIGHT, 0, + GL_RED, GL_UNSIGNED_BYTE, image); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 1); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); +} + + +static void +MakeBitmapTextures(void) +{ + const char *px = + " X X " + " X X X " + " X X X " + " XXXXX X " + " X X X " + " X X X " + " X X " + " X X "; + const char *nx = + " X X " + " X X " + " X X " + " XXXXX X " + " X X " + " X X " + " X X " + " X X "; + glGenTextures(2, Textures); + MakeTexImage(px, Textures[0]); + MakeTexImage(nx, Textures[1]); +} + + +static void +LoadAndCompileShader(GLuint shader, const char *text) +{ + GLint stat; + + glShaderSource_func(shader, 1, (const GLchar **) &text, NULL); + + glCompileShader_func(shader); + + glGetShaderiv_func(shader, GL_COMPILE_STATUS, &stat); + if (!stat) { + GLchar log[1000]; + GLsizei len; + glGetShaderInfoLog_func(shader, 1000, &len, log); + fprintf(stderr, "fslight: problem compiling shader:\n%s\n", log); + exit(1); + } +} + + +static void +CheckLink(GLuint prog) +{ + GLint stat; + glGetProgramiv_func(prog, GL_LINK_STATUS, &stat); + if (!stat) { + GLchar log[1000]; + GLsizei len; + glGetProgramInfoLog_func(prog, 1000, &len, log); + fprintf(stderr, "Linker error:\n%s\n", log); + } +} + + +static void +Init(void) +{ + /* Fragment shader: modulate raster color by texture, discard fragments + * with alpha < 1.0 + */ + static const char *fragShaderText = + "uniform sampler2D tex2d; \n" + "void main() {\n" + " vec4 c = texture2D(tex2d, gl_TexCoord[0].xy); \n" + " if (c.w < 1.0) \n" + " discard; \n" + " gl_FragColor = c * gl_Color; \n" + "}\n"; + /* Vertex shader: compute new vertex position based on incoming vertex pos, + * texcoords and special scale factor. + */ + static const char *vertShaderText = + "uniform vec2 scale; \n" + "void main() {\n" + " vec4 p = gl_ModelViewProjectionMatrix * gl_Vertex;\n" + " gl_Position.xy = p.xy + gl_MultiTexCoord0.xy * scale * p.w; \n" + " gl_Position.zw = p.zw; \n" + " gl_TexCoord[0] = gl_MultiTexCoord0; \n" + " gl_FrontColor = gl_Color; \n" + "}\n"; + const char *version; + + version = (const char *) glGetString(GL_VERSION); + if (version[0] != '2' || version[1] != '.') { + printf("This program requires OpenGL 2.x, found %s\n", version); + exit(1); + } + printf("GL_RENDERER = %s\n",(const char *) glGetString(GL_RENDERER)); + + GetExtensionFuncs(); + + FragShader = glCreateShader_func(GL_FRAGMENT_SHADER); + LoadAndCompileShader(FragShader, fragShaderText); + + VertShader = glCreateShader_func(GL_VERTEX_SHADER); + LoadAndCompileShader(VertShader, vertShaderText); + + Program = glCreateProgram_func(); + glAttachShader_func(Program, FragShader); + glAttachShader_func(Program, VertShader); + glLinkProgram_func(Program); + CheckLink(Program); + glUseProgram_func(Program); + + uScale = glGetUniformLocation_func(Program, "scale"); + uTex = glGetUniformLocation_func(Program, "tex2d"); + if (uTex != -1) { + glUniform1i_func(uTex, 0); /* tex unit 0 */ + } + + glUseProgram_func(0); + + glClearColor(0.3f, 0.3f, 0.3f, 0.0f); + glEnable(GL_DEPTH_TEST); + glEnable(GL_NORMALIZE); + glEnable(GL_LIGHT0); + + MakeBitmapTextures(); +} + + +int +main(int argc, char *argv[]) +{ + glutInit(&argc, argv); + glutInitWindowSize(WinWidth, WinHeight); + glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH); + Win = glutCreateWindow(argv[0]); + glutReshapeFunc(Reshape); + glutKeyboardFunc(Key); + glutSpecialFunc(SpecialKey); + glutDisplayFunc(Redisplay); + if (Anim) + glutIdleFunc(Idle); + Init(); + glutMainLoop(); + return 0; +} + + diff --git a/progs/glsl/bump.c b/progs/glsl/bump.c index a6846acf7e..11f87ab127 100644 --- a/progs/glsl/bump.c +++ b/progs/glsl/bump.c @@ -247,7 +247,7 @@ LoadAndCompileShader(GLuint shader, const char *text) GLchar log[1000]; GLsizei len; glGetShaderInfoLog_func(shader, 1000, &len, log); - fprintf(stderr, "brick: problem compiling shader: %s\n", log); + fprintf(stderr, "bump: problem compiling shader: %s\n", log); exit(1); } else { @@ -267,12 +267,12 @@ ReadShader(GLuint shader, const char *filename) char *buffer = (char*) malloc(max); FILE *f = fopen(filename, "r"); if (!f) { - fprintf(stderr, "brick: Unable to open shader file %s\n", filename); + fprintf(stderr, "bump: Unable to open shader file %s\n", filename); exit(1); } n = fread(buffer, 1, max, f); - printf("brick: read %d bytes from shader file %s\n", n, filename); + printf("bump: read %d bytes from shader file %s\n", n, filename); if (n > 0) { buffer[n] = 0; LoadAndCompileShader(shader, buffer); diff --git a/progs/glsl/mandelbrot.c b/progs/glsl/mandelbrot.c index 7a2bad6dde..e7b2b04b0d 100644 --- a/progs/glsl/mandelbrot.c +++ b/progs/glsl/mandelbrot.c @@ -172,7 +172,7 @@ LoadAndCompileShader(GLuint shader, const char *text) GLchar log[1000]; GLsizei len; glGetShaderInfoLog_func(shader, 1000, &len, log); - fprintf(stderr, "brick: problem compiling shader: %s\n", log); + fprintf(stderr, "mandelbrot: problem compiling shader: %s\n", log); exit(1); } else { @@ -192,12 +192,12 @@ ReadShader(GLuint shader, const char *filename) char *buffer = (char*) malloc(max); FILE *f = fopen(filename, "r"); if (!f) { - fprintf(stderr, "brick: Unable to open shader file %s\n", filename); + fprintf(stderr, "mandelbrot: Unable to open shader file %s\n", filename); exit(1); } n = fread(buffer, 1, max, f); - printf("brick: read %d bytes from shader file %s\n", n, filename); + printf("mandelbrot: read %d bytes from shader file %s\n", n, filename); if (n > 0) { buffer[n] = 0; LoadAndCompileShader(shader, buffer); diff --git a/progs/glsl/noise.c b/progs/glsl/noise.c index a26a805944..adccd1a7c8 100644 --- a/progs/glsl/noise.c +++ b/progs/glsl/noise.c @@ -188,7 +188,7 @@ LoadAndCompileShader(GLuint shader, const char *text) GLchar log[1000]; GLsizei len; glGetShaderInfoLog_func(shader, 1000, &len, log); - fprintf(stderr, "brick: problem compiling shader: %s\n", log); + fprintf(stderr, "noise: problem compiling shader: %s\n", log); exit(1); } else { diff --git a/progs/glsl/points.c b/progs/glsl/points.c new file mode 100644 index 0000000000..85115de504 --- /dev/null +++ b/progs/glsl/points.c @@ -0,0 +1,305 @@ +/** + * Implement smooth (AA) points with shaders. + * A simple variation could be used for sprite points. + * Brian Paul + * 29 July 2007 + */ + +#include <assert.h> +#include <string.h> +#include <stdio.h> +#include <stdlib.h> +#include <math.h> +#include <GL/gl.h> +#include <GL/glut.h> +#include <GL/glext.h> +#include "extfuncs.h" + + +static GLuint FragShader; +static GLuint VertShader; +static GLuint Program; + +static GLint Win = 0; +static GLint WinWidth = 500, WinHeight = 200; +static GLfloat Xpos = 0.0f, Ypos = 0.0f; +static GLint uViewportInv; +static GLboolean Smooth = GL_TRUE, Blend = GL_TRUE; + + +/** + * Issue vertices for a "shader point". + * The position is duplicated, only texcoords (or other vertex attrib) change. + * The vertex program will compute the "real" quad corners. + */ +static void +PointVertex3f(GLfloat x, GLfloat y, GLfloat z) +{ + glTexCoord2f(-1, -1); + glVertex3f(x, y, z); + + glTexCoord2f( 1, -1); + glVertex3f(x, y, z); + + glTexCoord2f( 1, 1); + glVertex3f(x, y, z); + + glTexCoord2f(-1, 1); + glVertex3f(x, y, z); +} + + +static void +DrawPoints(GLboolean shaderPoints) +{ + int i; + for (i = 0; i < 9; i++) { + GLfloat x = i - 4, y = 0, z = 0; + /* note: can't call glPointSize inside Begin/End :( */ + glPointSize( 2 + i * 5 ); + if (shaderPoints) { + glBegin(GL_QUADS); + PointVertex3f(x, y, z); + glEnd(); + } + else { + glBegin(GL_POINTS); + glVertex3f(x, y, z); + glEnd(); + } + } +} + + +/** + * Top row of points rendered convetionally, + * bottom row rendered with shaders. + */ +static void +Redisplay(void) +{ + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + + if (Smooth) + glEnable(GL_POINT_SMOOTH); + else + glDisable(GL_POINT_SMOOTH); + + if (Blend) + glEnable(GL_BLEND); + else + glDisable(GL_BLEND); + + glPushMatrix(); + glTranslatef(Xpos, Ypos, 0); + + /* + * regular points + */ + glPushMatrix(); + glTranslatef(0, 1.2, 0); + glUseProgram_func(0); + DrawPoints(GL_FALSE); + glPopMatrix(); + + /* + * shader points + */ + glPushMatrix(); + glTranslatef(0, -1.2, 0); + glUseProgram_func(Program); + if (uViewportInv != -1) { + glUniform2f_func(uViewportInv, 1.0 / WinWidth, 1.0 / WinHeight); + } + DrawPoints(GL_TRUE); + glPopMatrix(); + + glPopMatrix(); + + glutSwapBuffers(); +} + + +static void +Reshape(int width, int height) +{ + WinWidth = width; + WinHeight = height; + glViewport(0, 0, width, height); + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + glFrustum(-1.0, 1.0, -1.0, 1.0, 4.0, 30.0); + glMatrixMode(GL_MODELVIEW); + glLoadIdentity(); + glTranslatef(0.0f, 0.0f, -20.0f); +} + + +static void +Key(unsigned char key, int x, int y) +{ + (void) x; + (void) y; + + switch(key) { + case 'b': + Blend = !Blend; + break; + case 's': + Smooth = !Smooth; + break; + case 27: + glDeleteShader_func(FragShader); + glDeleteShader_func(VertShader); + glDeleteProgram_func(Program); + glutDestroyWindow(Win); + exit(0); + } + glutPostRedisplay(); +} + + +static void +SpecialKey(int key, int x, int y) +{ + const GLfloat step = 1/100.0; + switch(key) { + case GLUT_KEY_UP: + Ypos += step; + break; + case GLUT_KEY_DOWN: + Ypos -= step; + break; + case GLUT_KEY_LEFT: + Xpos -= step; + break; + case GLUT_KEY_RIGHT: + Xpos += step; + break; + } + glutPostRedisplay(); +} + + +static void +LoadAndCompileShader(GLuint shader, const char *text) +{ + GLint stat; + + glShaderSource_func(shader, 1, (const GLchar **) &text, NULL); + + glCompileShader_func(shader); + + glGetShaderiv_func(shader, GL_COMPILE_STATUS, &stat); + if (!stat) { + GLchar log[1000]; + GLsizei len; + glGetShaderInfoLog_func(shader, 1000, &len, log); + fprintf(stderr, "fslight: problem compiling shader:\n%s\n", log); + exit(1); + } +} + + +static void +CheckLink(GLuint prog) +{ + GLint stat; + glGetProgramiv_func(prog, GL_LINK_STATUS, &stat); + if (!stat) { + GLchar log[1000]; + GLsizei len; + glGetProgramInfoLog_func(prog, 1000, &len, log); + fprintf(stderr, "Linker error:\n%s\n", log); + } +} + + +static void +Init(void) +{ + /* Fragment shader: compute distance of fragment from center of point + * (we're using texcoords but another varying could be used). + * if dist > 1, discard (coverage==0) + * if dist < k, coverage = 1 + * else, coverage = func(dist) + * Note: length() uses sqrt() and may be expensive. The distance could + * be squared instead (with adjustments to the threshold (k) test) + */ + static const char *fragShaderText = + "void main() {\n" + " float cover; \n" + " float k = 2.0 / gl_Point.size; \n" + " float d = length(gl_TexCoord[0].xy); \n" + " if (d >= 1.0) \n" + " discard; \n" + " if (d < 1.0 - k) \n" + " cover = 1.0; \n" + " else \n" + " cover = (1.0 - d) * 0.5 * gl_Point.size; \n" + " gl_FragColor.rgb = gl_Color.rgb; \n" + " gl_FragColor.a = cover; \n" + "}\n"; + /* Vertex shader: compute new vertex position based on incoming vertex pos, + * texcoords, point size, and inverse viewport scale factor. + * Note: should compute point size attenuation here too. + */ + static const char *vertShaderText = + "uniform vec2 viewportInv; \n" + "void main() {\n" + " vec4 pos = gl_ModelViewProjectionMatrix * gl_Vertex;\n" + " gl_Position.xy = pos.xy + gl_MultiTexCoord0.xy * viewportInv \n" + " * gl_Point.size * pos.w; \n" + " gl_Position.zw = pos.zw; \n" + " gl_TexCoord[0] = gl_MultiTexCoord0; \n" + " gl_FrontColor = gl_Color; \n" + "}\n"; + const char *version; + + version = (const char *) glGetString(GL_VERSION); + if (version[0] != '2' || version[1] != '.') { + printf("This program requires OpenGL 2.x, found %s\n", version); + exit(1); + } + printf("GL_RENDERER = %s\n",(const char *) glGetString(GL_RENDERER)); + + GetExtensionFuncs(); + + FragShader = glCreateShader_func(GL_FRAGMENT_SHADER); + LoadAndCompileShader(FragShader, fragShaderText); + + VertShader = glCreateShader_func(GL_VERTEX_SHADER); + LoadAndCompileShader(VertShader, vertShaderText); + + Program = glCreateProgram_func(); + glAttachShader_func(Program, FragShader); + glAttachShader_func(Program, VertShader); + glLinkProgram_func(Program); + CheckLink(Program); + glUseProgram_func(Program); + + uViewportInv = glGetUniformLocation_func(Program, "viewportInv"); + + glUseProgram_func(0); + + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); +} + + +int +main(int argc, char *argv[]) +{ + glutInit(&argc, argv); + glutInitWindowSize(WinWidth, WinHeight); + glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH); + Win = glutCreateWindow(argv[0]); + glutReshapeFunc(Reshape); + glutKeyboardFunc(Key); + glutSpecialFunc(SpecialKey); + glutDisplayFunc(Redisplay); + Init(); + glutMainLoop(); + return 0; +} + + diff --git a/progs/glsl/toyball.c b/progs/glsl/toyball.c index cef52c04a6..3aa096161a 100644 --- a/progs/glsl/toyball.c +++ b/progs/glsl/toyball.c @@ -185,7 +185,7 @@ LoadAndCompileShader(GLuint shader, const char *text) GLchar log[1000]; GLsizei len; glGetShaderInfoLog_func(shader, 1000, &len, log); - fprintf(stderr, "brick: problem compiling shader: %s\n", log); + fprintf(stderr, "toyball: problem compiling shader: %s\n", log); exit(1); } else { @@ -205,12 +205,12 @@ ReadShader(GLuint shader, const char *filename) char *buffer = (char*) malloc(max); FILE *f = fopen(filename, "r"); if (!f) { - fprintf(stderr, "brick: Unable to open shader file %s\n", filename); + fprintf(stderr, "toyball: Unable to open shader file %s\n", filename); exit(1); } n = fread(buffer, 1, max, f); - printf("brick: read %d bytes from shader file %s\n", n, filename); + printf("toyball: read %d bytes from shader file %s\n", n, filename); if (n > 0) { buffer[n] = 0; LoadAndCompileShader(shader, buffer); diff --git a/progs/glsl/trirast.c b/progs/glsl/trirast.c new file mode 100644 index 0000000000..e4325deb1f --- /dev/null +++ b/progs/glsl/trirast.c @@ -0,0 +1,326 @@ +/** + * Demonstration of doing triangle rasterization with a fragment program. + * Basic idea: + * 1. Draw screen-aligned quad / bounding box around the triangle verts. + * 2. For each pixel in the quad, determine if pixel is inside/outside + * the triangle edges. + * + * Brian Paul + * 1 Aug 2007 + */ + + +#include <assert.h> +#include <string.h> +#include <stdio.h> +#include <stdlib.h> +#include <math.h> +#include <GL/gl.h> +#include <GL/glut.h> +#include <GL/glext.h> +#include "extfuncs.h" + + +static GLint WinWidth = 300, WinHeight = 300; +static char *FragProgFile = NULL; +static char *VertProgFile = NULL; +static GLuint fragShader; +static GLuint vertShader; +static GLuint program; +static GLint win = 0; +static GLboolean anim = GL_TRUE; +static GLfloat Zrot = 0.0f; +static GLint uv0, uv1, uv2; + + +static const GLfloat TriVerts[3][2] = { + { 50, 50 }, + { 250, 50 }, + { 150, 250 } +}; + + +static void +RotateVerts(GLfloat a, + GLuint n, const GLfloat vertsIn[][2], GLfloat vertsOut[][2]) +{ + GLuint i; + GLfloat cx = WinWidth / 2, cy = WinHeight / 2; + for (i = 0; i < n; i++) { + float x = vertsIn[i][0] - cx; + float y = vertsIn[i][1] - cy; + + vertsOut[i][0] = x * cos(a) + y * sin(a) + cx; + vertsOut[i][1] = -x * sin(a) + y * cos(a) + cy; + } +} + +static void +ComputeBounds(GLuint n, GLfloat vertsIn[][2], + GLfloat *xmin, GLfloat *ymin, + GLfloat *xmax, GLfloat *ymax) +{ + GLuint i; + *xmin = *xmax = vertsIn[0][0]; + *ymin = *ymax = vertsIn[0][1]; + for (i = 1; i < n; i++) { + if (vertsIn[i][0] < *xmin) + *xmin = vertsIn[i][0]; + else if (vertsIn[i][0] > *xmax) + *xmax = vertsIn[i][0]; + if (vertsIn[i][1] < *ymin) + *ymin = vertsIn[i][1]; + else if (vertsIn[i][1] > *ymax) + *ymax = vertsIn[i][1]; + } +} + + +static void +Redisplay(void) +{ + GLfloat v[3][2], xmin, ymin, xmax, ymax; + + RotateVerts(Zrot, 3, TriVerts, v); + ComputeBounds(3, v, &xmin, &ymin, &xmax, &ymax); + + glUniform2fv_func(uv0, 1, v[0]); + glUniform2fv_func(uv1, 1, v[1]); + glUniform2fv_func(uv2, 1, v[2]); + + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + + glPushMatrix(); + glBegin(GL_POLYGON); + glVertex2f(xmin, ymin); + glVertex2f(xmax, ymin); + glVertex2f(xmax, ymax); + glVertex2f(xmin, ymax); + glEnd(); + glPopMatrix(); + + glutSwapBuffers(); +} + + +static void +Idle(void) +{ + Zrot = glutGet(GLUT_ELAPSED_TIME) * 0.0005; + glutPostRedisplay(); +} + + +static void +Reshape(int width, int height) +{ + glViewport(0, 0, width, height); + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + glOrtho(0, width, 0, height, -1, 1); + + glMatrixMode(GL_MODELVIEW); + glLoadIdentity(); +} + + +static void +CleanUp(void) +{ + glDeleteShader_func(fragShader); + glDeleteShader_func(vertShader); + glDeleteProgram_func(program); + glutDestroyWindow(win); +} + + +static void +Key(unsigned char key, int x, int y) +{ + (void) x; + (void) y; + + switch(key) { + case ' ': + case 'a': + anim = !anim; + if (anim) + glutIdleFunc(Idle); + else + glutIdleFunc(NULL); + break; + case 27: + CleanUp(); + exit(0); + break; + } + glutPostRedisplay(); +} + + +static void +LoadAndCompileShader(GLuint shader, const char *text) +{ + GLint stat; + + glShaderSource_func(shader, 1, (const GLchar **) &text, NULL); + + glCompileShader_func(shader); + + glGetShaderiv_func(shader, GL_COMPILE_STATUS, &stat); + if (!stat) { + GLchar log[1000]; + GLsizei len; + glGetShaderInfoLog_func(shader, 1000, &len, log); + fprintf(stderr, "fslight: problem compiling shader:\n%s\n", log); + exit(1); + } +} + + +/** + * Read a shader from a file. + */ +static void +ReadShader(GLuint shader, const char *filename) +{ + const int max = 100*1000; + int n; + char *buffer = (char*) malloc(max); + FILE *f = fopen(filename, "r"); + if (!f) { + fprintf(stderr, "fslight: Unable to open shader file %s\n", filename); + exit(1); + } + + n = fread(buffer, 1, max, f); + printf("fslight: read %d bytes from shader file %s\n", n, filename); + if (n > 0) { + buffer[n] = 0; + LoadAndCompileShader(shader, buffer); + } + + fclose(f); + free(buffer); +} + + +static void +CheckLink(GLuint prog) +{ + GLint stat; + glGetProgramiv_func(prog, GL_LINK_STATUS, &stat); + if (!stat) { + GLchar log[1000]; + GLsizei len; + glGetProgramInfoLog_func(prog, 1000, &len, log); + fprintf(stderr, "Linker error:\n%s\n", log); + } +} + + +static void +Init(void) +{ + static const char *fragShaderText = + "uniform vec2 v0, v1, v2; \n" + "float crs(const vec2 u, const vec2 v) \n" + "{ \n" + " return u.x * v.y - u.y * v.x; \n" + "} \n" + "\n" + "void main() {\n" + " vec2 p = gl_FragCoord.xy; \n" + " if (crs(v1 - v0, p - v0) >= 0 && \n" + " crs(v2 - v1, p - v1) >= 0 && \n" + " crs(v0 - v2, p - v2) >= 0) \n" + " gl_FragColor = vec4(1.0); \n" + " else \n" + " gl_FragColor = vec4(0.5); \n" + "}\n"; + static const char *vertShaderText = + "void main() {\n" + " gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;\n" + "}\n"; + const char *version; + + version = (const char *) glGetString(GL_VERSION); + if (version[0] != '2' || version[1] != '.') { + printf("This program requires OpenGL 2.x, found %s\n", version); + exit(1); + } + + GetExtensionFuncs(); + + fragShader = glCreateShader_func(GL_FRAGMENT_SHADER); + if (FragProgFile) + ReadShader(fragShader, FragProgFile); + else + LoadAndCompileShader(fragShader, fragShaderText); + + vertShader = glCreateShader_func(GL_VERTEX_SHADER); + if (VertProgFile) + ReadShader(vertShader, VertProgFile); + else + LoadAndCompileShader(vertShader, vertShaderText); + + program = glCreateProgram_func(); + glAttachShader_func(program, fragShader); + glAttachShader_func(program, vertShader); + glLinkProgram_func(program); + CheckLink(program); + glUseProgram_func(program); + + uv0 = glGetUniformLocation_func(program, "v0"); + uv1 = glGetUniformLocation_func(program, "v1"); + uv2 = glGetUniformLocation_func(program, "v2"); + printf("Uniforms: %d %d %d\n", uv0, uv1, uv2); + + /*assert(glGetError() == 0);*/ + + glClearColor(0.3f, 0.3f, 0.3f, 0.0f); + glEnable(GL_DEPTH_TEST); + + printf("GL_RENDERER = %s\n",(const char *) glGetString(GL_RENDERER)); + + assert(glIsProgram_func(program)); + assert(glIsShader_func(fragShader)); + assert(glIsShader_func(vertShader)); + + glColor3f(1, 0, 0); +} + + +static void +ParseOptions(int argc, char *argv[]) +{ + int i; + for (i = 1; i < argc; i++) { + if (strcmp(argv[i], "-fs") == 0) { + FragProgFile = argv[i+1]; + } + else if (strcmp(argv[i], "-vs") == 0) { + VertProgFile = argv[i+1]; + } + } +} + + +int +main(int argc, char *argv[]) +{ + glutInit(&argc, argv); + glutInitWindowPosition( 0, 0); + glutInitWindowSize(WinWidth, WinHeight); + glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH); + win = glutCreateWindow(argv[0]); + glutReshapeFunc(Reshape); + glutKeyboardFunc(Key); + glutDisplayFunc(Redisplay); + if (anim) + glutIdleFunc(Idle); + ParseOptions(argc, argv); + Init(); + glutMainLoop(); + return 0; +} diff --git a/progs/miniglx/.gitignore b/progs/miniglx/.gitignore new file mode 100644 index 0000000000..f630f591f6 --- /dev/null +++ b/progs/miniglx/.gitignore @@ -0,0 +1,6 @@ +manytex +miniglxsample +miniglxtest +sample_server +sample_server2 +texline diff --git a/progs/miniglx/Makefile b/progs/miniglx/Makefile index 7f1e162186..56cecf4081 100644 --- a/progs/miniglx/Makefile +++ b/progs/miniglx/Makefile @@ -27,7 +27,7 @@ INCLUDES = \ .SUFFIXES: .c .c: - $(CC) $(INCLUDES) $(CFLAGS) $< $(APP_LIB_DEPS) -o $@ + $(CC) $(INCLUDES) $(CFLAGS) $(LDFLAGS) $< $(APP_LIB_DEPS) -o $@ .c.o: $(CC) -c $(INCLUDES) $(CFLAGS) $< -o $@ diff --git a/progs/osdemos/.gitignore b/progs/osdemos/.gitignore new file mode 100644 index 0000000000..5c78f12481 --- /dev/null +++ b/progs/osdemos/.gitignore @@ -0,0 +1,8 @@ +osdemo +osdemo16 +osdemo32 +ostest1 +readtex.c +readtex.h +showbuffer.c +showbuffer.h diff --git a/progs/osdemos/Makefile b/progs/osdemos/Makefile index f8cba9ee99..7e657744e3 100644 --- a/progs/osdemos/Makefile +++ b/progs/osdemos/Makefile @@ -26,7 +26,7 @@ PROGS = \ # make executable from .c file: .c: $(LIB_DEP) readtex.o - $(CC) -I$(INCDIR) $(CFLAGS) $< readtex.o $(APP_LIB_DEPS) -o $@ + $(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) $< readtex.o $(APP_LIB_DEPS) -o $@ ##### TARGETS ##### @@ -56,19 +56,19 @@ showbuffer.o: showbuffer.c showbuffer.h # special case: need the -lOSMesa library: osdemo: osdemo.c - $(CC) -I$(INCDIR) $(CFLAGS) osdemo.c $(OSMESA_LIBS) -o $@ + $(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) osdemo.c $(OSMESA_LIBS) -o $@ # special case: need the -lOSMesa library: ostest1: ostest1.c - $(CC) -I$(INCDIR) $(CFLAGS) ostest1.c $(OSMESA_LIBS) -o $@ + $(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) ostest1.c $(OSMESA_LIBS) -o $@ # another special case: need the -lOSMesa16 library: osdemo16: osdemo16.c - $(CC) -I$(INCDIR) $(CFLAGS) osdemo16.c $(OSMESA16_LIBS) -o $@ + $(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) osdemo16.c $(OSMESA16_LIBS) -o $@ # another special case: need the -lOSMesa32 library: osdemo32: osdemo32.c - $(CC) -I$(INCDIR) $(CFLAGS) osdemo32.c $(OSMESA32_LIBS) -o $@ + $(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) osdemo32.c $(OSMESA32_LIBS) -o $@ diff --git a/progs/osdemos/ostest1.c b/progs/osdemos/ostest1.c index 001e368616..2c7adfc353 100644 --- a/progs/osdemos/ostest1.c +++ b/progs/osdemos/ostest1.c @@ -409,6 +409,8 @@ test(GLenum type, GLint bits, const char *filename) printf("Rendering %d bit/channel image: %s\n", bits, filename); + OSMesaColorClamp(GL_TRUE); + init_context(); render_image(); if (Gradient) @@ -421,7 +423,7 @@ test(GLenum type, GLint bits, const char *filename) if (WriteFiles && filename != NULL) { if (type == GL_UNSIGNED_SHORT) { GLushort *buffer16 = (GLushort *) buffer; - GLubyte *buffer8 = malloc(WIDTH * HEIGHT * 4); + GLubyte *buffer8 = (GLubyte *) malloc(WIDTH * HEIGHT * 4); int i; for (i = 0; i < WIDTH * HEIGHT * 4; i++) buffer8[i] = buffer16[i] >> 8; @@ -430,8 +432,9 @@ test(GLenum type, GLint bits, const char *filename) } else if (type == GL_FLOAT) { GLfloat *buffer32 = (GLfloat *) buffer; - GLubyte *buffer8 = malloc(WIDTH * HEIGHT * 4); + GLubyte *buffer8 = (GLubyte *) malloc(WIDTH * HEIGHT * 4); int i; + /* colors may be outside [0,1] so we need to clamp */ for (i = 0; i < WIDTH * HEIGHT * 4; i++) buffer8[i] = (GLubyte) (buffer32[i] * 255.0); write_ppm(filename, buffer8, WIDTH, HEIGHT); diff --git a/progs/redbook/Makefile b/progs/redbook/Makefile index febc74441b..078f19125a 100644 --- a/progs/redbook/Makefile +++ b/progs/redbook/Makefile @@ -24,7 +24,7 @@ PROGS = aaindex aapoly aargb accanti accpersp alpha alpha3D anti \ .SUFFIXES: .c .c: $(LIB_DEP) - $(CC) -I$(INCDIR) $(CFLAGS) $< $(APP_LIB_DEPS) -o $@ + $(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) $< $(APP_LIB_DEPS) -o $@ diff --git a/progs/samples/.gitignore b/progs/samples/.gitignore index 12b0650567..f60d6e94ea 100644 --- a/progs/samples/.gitignore +++ b/progs/samples/.gitignore @@ -1,24 +1,41 @@ .cvsignore accum +anywin +bdemo +binfo bitmap1 bitmap2 blendeq blendxor +bugger copy cursor +demo depth eval +ffset fog font +font +incopy line logo +lthreads +lxdemo +lxgears +lxheads +lxinfo +lxpixmap nurb oglinfo olympic overlay +pend point prim quad +readtex.c +readtex.h select shape sphere @@ -28,18 +45,3 @@ stretch texture tri wave -bugger -pend -lthreads -lxdemo -lxgears -lxheads -lxinfo -lxpixmap -anywin -ffset -bdemo -binfo -incopy -demo -font diff --git a/progs/samples/Makefile b/progs/samples/Makefile index 063008dccf..8c99e8df25 100644 --- a/progs/samples/Makefile +++ b/progs/samples/Makefile @@ -18,7 +18,7 @@ PROGS = accum bitmap1 bitmap2 blendeq blendxor copy cursor depth eval fog \ .SUFFIXES: .c .c: $(LIB_DEP) - $(CC) -I$(INCDIR) $(CFLAGS) $< $(APP_LIB_DEPS) -o $@ + $(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) $< $(APP_LIB_DEPS) -o $@ ##### TARGETS ##### @@ -27,7 +27,7 @@ default: $(PROGS) sphere: sphere.o readtex.o - $(CC) -I$(INCDIR) $(CFLAGS) sphere.o readtex.o $(APP_LIB_DEPS) -o $@ + $(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) sphere.o readtex.o $(APP_LIB_DEPS) -o $@ sphere.o: sphere.c readtex.h $(CC) -c -I$(INCDIR) $(CFLAGS) sphere.c diff --git a/progs/samples/Makefile.mgw b/progs/samples/Makefile.mgw index 1193540578..8bb975be9d 100644 --- a/progs/samples/Makefile.mgw +++ b/progs/samples/Makefile.mgw @@ -26,6 +26,15 @@ # Email : dborca@users.sourceforge.net # Web : http://www.geocities.com/dborca +# MinGW samples makefile updated for Mesa 7.0 +# +# Updated : by Heromyth, on 2007-7-21 +# Email : zxpmyth@yahoo.com.cn +# Bugs : 1) All the default settings work fine. But the setting X86=1 can't work. +# The others havn't been tested yet. +# 2) The generated DLLs are *not* compatible with the ones built +# with the other compilers like VC8, especially for GLUT. +# 3) Although more tests are needed, it can be used individually! # # Available options: @@ -45,14 +54,14 @@ TOP = ../.. CC = mingw32-gcc -CFLAGS = -Wall -W -pedantic -CFLAGS += -O2 -ffast-math +CFLAGS = -Wall -pedantic +CFLAGS += -O2 -ffast-math -D_DLL CFLAGS += -I$(TOP)/include -I../util ifeq ($(FX),1) -CFLAGS += -DFX + CFLAGS += -DFX endif -CFLAGS += -DGLUT_DISABLE_ATEXIT_HACK -D_STDCALL_SUPPORTED -CFLAGS += -D_WINDEF_ -D_WINGDI_ + +CFLAGS += -DGLUT_DISABLE_ATEXIT_HACK LD = mingw32-g++ LDFLAGS = -s -L$(TOP)/lib @@ -62,7 +71,8 @@ LDLIBS = -lglut32 -lglu32 -lopengl32 .c.o: $(CC) -o $@ $(CFLAGS) -c $< %.exe: ../util/readtex.o ../util/showbuffer.o %.o - $(LD) -o $@ $(LDFLAGS) $^ $(LDLIBS) + $(LD) -o $@ $(LDFLAGS) $(LDLIBS) $^ + all: $(error Must specify <filename.exe> to build) diff --git a/progs/slang/.gitignore b/progs/slang/.gitignore new file mode 100644 index 0000000000..8a42b018e6 --- /dev/null +++ b/progs/slang/.gitignore @@ -0,0 +1,3 @@ +cltest +sotest +vstest diff --git a/progs/slang/Makefile b/progs/slang/Makefile index 1c602ce49c..61db26d080 100644 --- a/progs/slang/Makefile +++ b/progs/slang/Makefile @@ -29,13 +29,13 @@ clean: # cltest: cltest.o framework.o $(LIB_DEP) - $(CC) cltest.o framework.o $(APP_LIB_DEPS) -o cltest + $(CC) $(LDFLAGS) cltest.o framework.o $(APP_LIB_DEPS) -o cltest sotest: sotest.o framework.o $(LIB_DEP) - $(CC) sotest.o framework.o $(APP_LIB_DEPS) -o sotest + $(CC) $(LDFLAGS) sotest.o framework.o $(APP_LIB_DEPS) -o sotest vstest: vstest.o framework.o $(LIB_DEP) - $(CC) vstest.o framework.o $(APP_LIB_DEPS) -o vstest + $(CC) $(LDFLAGS) vstest.o framework.o $(APP_LIB_DEPS) -o vstest # # objects diff --git a/progs/tests/.gitignore b/progs/tests/.gitignore index 2c0e16c35e..eaa67c3a5d 100644 --- a/progs/tests/.gitignore +++ b/progs/tests/.gitignore @@ -1,23 +1,31 @@ .cvsignore -getproclist.h +afsmultiarb antialias arbfpspec arbfptest1 arbfptexture arbfptrig +arbnpot +arbnpot-mipmap arbvptest1 arbvptest3 arbvptorus arbvpwarpmesh +arraytexture blendminmax blendsquare bufferobj +bug_3050 bug_3101 bug_3195 +copypixrate crossbar cva dinoshade +drawbuffers +extfuncs.h fbotest1 +fbotest2 fbotexture floattex fog @@ -25,24 +33,38 @@ fogcoord fptest1 fptexture getprocaddress +getproclist.h +interleave invert +jkrahntest manytex +mipmap_limits multipal no_s3tc packedpixels pbo +prog_parameter projtex +random +readrate +readtex.c +readtex.h seccolor sharedtex stencil_wrap stencilwrap +subtexrate tex1d texcmp +texcompress2 +texfilt texgenmix texline texobjshare texrect texwrap +vao-01 +vao-02 vparray vptest1 vptest2 diff --git a/progs/tests/Makefile b/progs/tests/Makefile index 9016efe9e7..e8d0edda3a 100644 --- a/progs/tests/Makefile +++ b/progs/tests/Makefile @@ -88,13 +88,22 @@ INCLUDES = -I. -I$(TOP)/include UTIL_FILES = readtex.h readtex.c +##### TARGETS ##### + +default: $(UTIL_FILES) $(PROGS) + +clean: + rm -f $(PROGS) + rm -f *.o + rm -f getproclist.h + ##### RULES ##### .SUFFIXES: .SUFFIXES: .c .c: - $(CC) $(INCLUDES) $(CFLAGS) $< $(LIBS) -o $@ + $(CC) $(INCLUDES) $(CFLAGS) $(LDFLAGS) $< $(LIBS) -o $@ .c.o: $(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@ @@ -102,17 +111,6 @@ UTIL_FILES = readtex.h readtex.c .S.o: $(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@ - -##### TARGETS ##### - -default: $(UTIL_FILES) $(PROGS) - -clean: - rm -f $(PROGS) - rm -f *.o - rm -f getproclist.h - - # auto code generation getprocaddress: getprocaddress.c getproclist.h @@ -123,40 +121,40 @@ arraytexture: arraytexture.o readtex.o $(CC) $(CFLAGS) arraytexture.o readtex.o $(LIBS) -o $@ arraytexture.o: arraytexture.c readtex.h - $(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@ + $(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) arraytexture.c -o $@ afsmultiarb: afsmultiarb.o readtex.o - $(CC) $(CFLAGS) afsmultiarb.o readtex.o $(LIBS) -o $@ + $(CC) $(CFLAGS) $(LDFLAGS) afsmultiarb.o readtex.o $(LIBS) -o $@ afsmultiarb.o: afsmultiarb.c readtex.h - $(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@ + $(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) afsmultiarb.c -o $@ drawbuffers: drawbuffers.o - $(CC) $(CFLAGS) drawbuffers.o $(LIBS) -o $@ + $(CC) $(CFLAGS) $(LDFLAGS) drawbuffers.o $(LIBS) -o $@ drawbuffers.o: drawbuffers.c extfuncs.h - $(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@ + $(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) drawbuffers.c -o $@ texrect: texrect.o readtex.o - $(CC) $(CFLAGS) texrect.o readtex.o $(LIBS) -o $@ + $(CC) $(CFLAGS) $(LDFLAGS) texrect.o readtex.o $(LIBS) -o $@ texrect.o: texrect.c readtex.h - $(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@ + $(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) texrect.c -o $@ bug_3195: bug_3195.o readtex.o - $(CC) $(CFLAGS) bug_3195.o readtex.o $(LIBS) -o $@ + $(CC) $(CFLAGS) $(LDFLAGS) bug_3195.o readtex.o $(LIBS) -o $@ bug_3195.o: bug_3195.c readtex.h - $(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@ + $(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) bug_3195.c -o $@ invert: invert.o readtex.o - $(CC) $(CFLAGS) invert.o readtex.o $(LIBS) -o $@ + $(CC) $(CFLAGS) $(LDFLAGS) invert.o readtex.o $(LIBS) -o $@ invert.o: invert.c readtex.h - $(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@ + $(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) invert.c -o $@ readtex.o: readtex.c - $(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@ + $(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) readtex.c -o $@ readtex.h: $(TOP)/progs/util/readtex.h diff --git a/progs/tests/cva.c b/progs/tests/cva.c index c7677990bf..ed965e748a 100644 --- a/progs/tests/cva.c +++ b/progs/tests/cva.c @@ -11,11 +11,7 @@ #include <stdlib.h> #include <stdio.h> #include <string.h> -#ifdef __VMS -# include <stddef.h> /* for ptrdiff_t, referenced by GL.h when GL_GLEXT_LEGACY defined */ -#else -# include <malloc.h> /* for ptrdiff_t, referenced by GL.h when GL_GLEXT_LEGACY defined */ -#endif +#include <stddef.h> /* for ptrdiff_t, referenced by GL.h when GL_GLEXT_LEGACY defined */ #ifdef _WIN32 #include <windows.h> #endif diff --git a/progs/tests/dinoshade.c b/progs/tests/dinoshade.c index ed7b879bc7..504b4af526 100644 --- a/progs/tests/dinoshade.c +++ b/progs/tests/dinoshade.c @@ -38,11 +38,7 @@ #include <stdlib.h> #include <string.h> #include <math.h> /* for cos(), sin(), and sqrt() */ -#ifdef __VMS -# include <stddef.h> /* for ptrdiff_t, referenced by GL.h when GL_GLEXT_LEGACY defined */ -#else -# include <malloc.h> /* for ptrdiff_t, referenced by GL.h when GL_GLEXT_LEGACY defined */ -#endif +#include <stddef.h> /* for ptrdiff_t, referenced by GL.h when GL_GLEXT_LEGACY defined */ #ifdef _WIN32 #include <windows.h> #endif diff --git a/progs/tests/multipal.c b/progs/tests/multipal.c index c824b38703..fac652f4e0 100644 --- a/progs/tests/multipal.c +++ b/progs/tests/multipal.c @@ -9,11 +9,7 @@ #include <stdio.h> #include <stdlib.h> #include <string.h> -#ifdef __VMS -# include <stddef.h> /* for ptrdiff_t, referenced by GL.h when GL_GLEXT_LEGACY defined */ -#else -# include <malloc.h> /* for ptrdiff_t, referenced by GL.h when GL_GLEXT_LEGACY defined */ -#endif +#include <stddef.h> /* for ptrdiff_t, referenced by GL.h when GL_GLEXT_LEGACY defined */ #ifdef _WIN32 #include <windows.h> #endif diff --git a/progs/tools/trace/.gitignore b/progs/tools/trace/.gitignore new file mode 100644 index 0000000000..afe0c5829e --- /dev/null +++ b/progs/tools/trace/.gitignore @@ -0,0 +1 @@ +gltrace.cc diff --git a/progs/tools/trace/Makefile b/progs/tools/trace/Makefile index 3f7bdcbc93..4b05fd87a5 100644 --- a/progs/tools/trace/Makefile +++ b/progs/tools/trace/Makefile @@ -17,7 +17,7 @@ default: $(TRACER) $(TRACER): $(OBJECTS) $(TOP)/bin/mklib -o $(TRACER) -noprefix -cplusplus \ - $(MKLIB_OPTIONS) $(OBJECTS) + -ldflags '$(LDFLAGS)' $(MKLIB_OPTIONS) $(OBJECTS) gltrace.cc: gltrace.py PYTHONPATH=$(TOP)/src/mesa/glapi python gltrace.py -f $(TOP)/src/mesa/glapi/gl_API.xml > gltrace.cc diff --git a/progs/trivial/.gitignore b/progs/trivial/.gitignore new file mode 100644 index 0000000000..1c49fdd55f --- /dev/null +++ b/progs/trivial/.gitignore @@ -0,0 +1,65 @@ +clear +dlist-dangling +dlist-edgeflag +dlist-edgeflag-dangling +drawarrays +drawelements +drawrange +line +line-clip +line-cull +line-userclip +line-userclip-clip +line-userclip-nop +line-userclip-nop-clip +lineloop +lineloop-clip +point +point-clip +point-param +point-wide +poly +poly-flat +poly-unfilled +quad +quad-clip +quad-clip-all-vertices +quad-clip-nearplane +quad-degenerate +quad-flat +quad-offset-factor +quad-offset-unfilled +quad-offset-units +quad-tex-2d +quad-tex-3d +quad-tex-pbo +quad-unfilled +quads +quadstrip +quadstrip-flat +readtex.c +readtex.h +tri +tri-blend +tri-clip +tri-cull +tri-dlist +tri-edgeflag +tri-flat +tri-flat-clip +tri-tex-3d +tri-unfilled +tri-unfilled-clip +tri-unfilled-smooth +tri-unfilled-userclip +tri-userclip +tristrip +tristrip-clip +vbo-drawarrays +vbo-drawelements +vbo-drawrange +vp-array +vp-clip +vp-line-clip +vp-tri +vp-unfilled diff --git a/progs/trivial/Makefile b/progs/trivial/Makefile index 341c115c07..259e20aa57 100644 --- a/progs/trivial/Makefile +++ b/progs/trivial/Makefile @@ -88,7 +88,7 @@ UTIL_FILES = readtex.h readtex.c .SUFFIXES: .c .c: - $(CC) $(INCLUDES) $(CFLAGS) $< $(LIBS) -o $@ + $(CC) $(INCLUDES) $(CFLAGS) $(LDFLAGS) $< $(LIBS) -o $@ .c.o: $(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@ @@ -115,13 +115,13 @@ getproclist.h: $(TOP)/src/mesa/glapi/gl_API.xml getprocaddress.c getprocaddress. texrect: texrect.o readtex.o - $(CC) texrect.o readtex.o $(LIBS) -o $@ + $(CC) $(LDFLAGS) texrect.o readtex.o $(LIBS) -o $@ texrect.o: texrect.c readtex.h $(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@ invert: invert.o readtex.o - $(CC) invert.o readtex.o $(LIBS) -o $@ + $(CC) $(LDFLAGS) invert.o readtex.o $(LIBS) -o $@ invert.o: invert.c readtex.h $(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@ diff --git a/progs/util/extfuncs.h b/progs/util/extfuncs.h index 5d647cdae7..716bb7df3b 100644 --- a/progs/util/extfuncs.h +++ b/progs/util/extfuncs.h @@ -26,6 +26,13 @@ static PFNGLISSHADERPROC glIsShader_func = NULL; static PFNGLLINKPROGRAMPROC glLinkProgram_func = NULL; static PFNGLSHADERSOURCEPROC glShaderSource_func = NULL; static PFNGLUNIFORM1IPROC glUniform1i_func = NULL; +static PFNGLUNIFORM2IPROC glUniform2i_func = NULL; +static PFNGLUNIFORM3IPROC glUniform3i_func = NULL; +static PFNGLUNIFORM4IPROC glUniform4i_func = NULL; +static PFNGLUNIFORM1FPROC glUniform1f_func = NULL; +static PFNGLUNIFORM2FPROC glUniform2f_func = NULL; +static PFNGLUNIFORM3FPROC glUniform3f_func = NULL; +static PFNGLUNIFORM4FPROC glUniform4f_func = NULL; static PFNGLUNIFORM1FVPROC glUniform1fv_func = NULL; static PFNGLUNIFORM2FVPROC glUniform2fv_func = NULL; static PFNGLUNIFORM3FVPROC glUniform3fv_func = NULL; @@ -47,6 +54,9 @@ static PFNGLUNIFORMMATRIX4X2FVPROC glUniformMatrix4x2fv_func = NULL; static PFNGLUNIFORMMATRIX3X4FVPROC glUniformMatrix3x4fv_func = NULL; static PFNGLUNIFORMMATRIX4X3FVPROC glUniformMatrix4x3fv_func = NULL; +/* OpenGL 1.4 */ +static PFNGLPOINTPARAMETERFVPROC glPointParameterfv_func = NULL; + /* GL_ARB_vertex/fragment_program */ static PFNGLBINDPROGRAMARBPROC glBindProgramARB_func = NULL; static PFNGLDELETEPROGRAMSARBPROC glDeleteProgramsARB_func = NULL; @@ -94,6 +104,13 @@ GetExtensionFuncs(void) glLinkProgram_func = (PFNGLLINKPROGRAMPROC) glutGetProcAddress("glLinkProgram"); glShaderSource_func = (PFNGLSHADERSOURCEPROC) glutGetProcAddress("glShaderSource"); glUniform1i_func = (PFNGLUNIFORM1IPROC) glutGetProcAddress("glUniform1i"); + glUniform2i_func = (PFNGLUNIFORM2IPROC) glutGetProcAddress("glUniform2i"); + glUniform3i_func = (PFNGLUNIFORM3IPROC) glutGetProcAddress("glUniform3i"); + glUniform4i_func = (PFNGLUNIFORM4IPROC) glutGetProcAddress("glUniform3i"); + glUniform1f_func = (PFNGLUNIFORM1FPROC) glutGetProcAddress("glUniform1f"); + glUniform2f_func = (PFNGLUNIFORM2FPROC) glutGetProcAddress("glUniform2f"); + glUniform3f_func = (PFNGLUNIFORM3FPROC) glutGetProcAddress("glUniform3f"); + glUniform4f_func = (PFNGLUNIFORM4FPROC) glutGetProcAddress("glUniform3f"); glUniform1fv_func = (PFNGLUNIFORM1FVPROC) glutGetProcAddress("glUniform1fv"); glUniform2fv_func = (PFNGLUNIFORM2FVPROC) glutGetProcAddress("glUniform2fv"); glUniform3fv_func = (PFNGLUNIFORM3FVPROC) glutGetProcAddress("glUniform3fv"); @@ -115,6 +132,8 @@ GetExtensionFuncs(void) glUniformMatrix3x4fv_func = (PFNGLUNIFORMMATRIX3X4FVPROC) glutGetProcAddress("glUniformMatrix3x4fv"); glUniformMatrix4x3fv_func = (PFNGLUNIFORMMATRIX4X3FVPROC) glutGetProcAddress("glUniformMatrix4x3fv"); + glPointParameterfv_func = (PFNGLPOINTPARAMETERFVPROC) glutGetProcAddress("glPointParameterfv"); + /* GL_ARB_vertex/fragment_program */ glBindProgramARB_func = (PFNGLBINDPROGRAMARBPROC) glutGetProcAddress("glBindProgramARB"); glDeleteProgramsARB_func = (PFNGLDELETEPROGRAMSARBPROC) glutGetProcAddress("glDeleteProgramsARB"); diff --git a/progs/vp/.gitignore b/progs/vp/.gitignore new file mode 100644 index 0000000000..a5ff993525 --- /dev/null +++ b/progs/vp/.gitignore @@ -0,0 +1 @@ +vp-tris diff --git a/progs/vp/Makefile b/progs/vp/Makefile index c3faeb5b60..4952a52fc9 100644 --- a/progs/vp/Makefile +++ b/progs/vp/Makefile @@ -26,7 +26,7 @@ INCLUDES = -I. -I$(TOP)/include -I../samples .SUFFIXES: .c .c: - $(CC) $(INCLUDES) $(CFLAGS) $< $(LIBS) -o $@ + $(CC) $(INCLUDES) $(CFLAGS) $(LDFLAGS) $< $(LIBS) -o $@ .c.o: $(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@ diff --git a/progs/xdemos/.gitignore b/progs/xdemos/.gitignore index 4adffda2d1..25022c112d 100644 --- a/progs/xdemos/.gitignore +++ b/progs/xdemos/.gitignore @@ -1,16 +1,23 @@ +corender glthreads +glxcontexts glxdemo glxgears +glxgears_fbconfig glxheads glxinfo -glxpixmap glxpbdemo +glxpixmap +glxsnoop glxswapcontrol manywin offset -pbinfo +overlay pbdemo +pbinfo +texture_from_pixmap wincopy xdemo xfont xrotfontdemo +yuvrect_client diff --git a/progs/xdemos/Makefile b/progs/xdemos/Makefile index d1d7fecea1..a7ba9afcac 100644 --- a/progs/xdemos/Makefile +++ b/progs/xdemos/Makefile @@ -8,7 +8,9 @@ INCDIR = $(TOP)/include LIB_DEP = $(TOP)/$(LIB_DIR)/$(GL_LIB_NAME) $(TOP)/$(LIB_DIR)/$(GLU_LIB_NAME) -PROGS = glthreads \ +PROGS = \ + corender \ + glthreads \ glxdemo \ glxgears \ glxgears_fbconfig \ @@ -17,6 +19,7 @@ PROGS = glthreads \ glxinfo \ glxpixmap \ glxpbdemo \ + glxsnoop \ glxswapcontrol \ manywin \ offset \ @@ -38,7 +41,7 @@ PROGS = glthreads \ .SUFFIXES: .c .c: $(LIB_DEP) - $(CC) -I$(INCDIR) $(CFLAGS) $< $(APP_LIB_DEPS) -o $@ + $(CC) -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) $(LDFLAGS) $< $(APP_LIB_DEPS) -o $@ ##### TARGETS ##### @@ -53,32 +56,40 @@ clean: # special cases pbinfo: pbinfo.o pbutil.o - $(CC) -I$(INCDIR) $(CFLAGS) pbinfo.o pbutil.o $(APP_LIB_DEPS) -o $@ + $(CC) $(LDFLAGS) pbinfo.o pbutil.o $(APP_LIB_DEPS) -o $@ pbdemo: pbdemo.o pbutil.o - $(CC) -I$(INCDIR) $(CFLAGS) pbdemo.o pbutil.o $(APP_LIB_DEPS) -o $@ + $(CC) $(LDFLAGS) pbdemo.o pbutil.o $(APP_LIB_DEPS) -o $@ pbinfo.o: pbinfo.c pbutil.h - $(CC) -c -I. -I$(INCDIR) $(CFLAGS) pbinfo.c + $(CC) -c -I. -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) pbinfo.c pbdemo.o: pbdemo.c pbutil.h - $(CC) -c -I. -I$(INCDIR) $(CFLAGS) pbdemo.c + $(CC) -c -I. -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) pbdemo.c pbutil.o: pbutil.c pbutil.h - $(CC) -c -I. -I$(INCDIR) $(CFLAGS) pbutil.c + $(CC) -c -I. -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) pbutil.c glxgears_fbconfig: glxgears_fbconfig.o pbutil.o - $(CC) -I$(INCDIR) $(CFLAGS) glxgears_fbconfig.o pbutil.o $(APP_LIB_DEPS) -o $@ + $(CC) $(LDFLAGS) glxgears_fbconfig.o pbutil.o $(APP_LIB_DEPS) -o $@ glxgears_fbconfig.o: glxgears_fbconfig.c pbutil.h - $(CC) -I$(INCDIR) $(CFLAGS) -c -I. $(CFLAGS) glxgears_fbconfig.c + $(CC) -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) -c -I. $(CFLAGS) glxgears_fbconfig.c xrotfontdemo: xrotfontdemo.o xuserotfont.o - $(CC) -I$(INCDIR) $(CFLAGS) xrotfontdemo.o xuserotfont.o $(APP_LIB_DEPS) -o $@ + $(CC) $(LDFLAGS) xrotfontdemo.o xuserotfont.o $(APP_LIB_DEPS) -o $@ xuserotfont.o: xuserotfont.c xuserotfont.h - $(CC) -c -I. -I$(INCDIR) $(CFLAGS) xuserotfont.c + $(CC) -c -I. -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) xuserotfont.c xrotfontdemo.o: xrotfontdemo.c xuserotfont.h - $(CC) -c -I. -I$(INCDIR) $(CFLAGS) xrotfontdemo.c + $(CC) -c -I. -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) xrotfontdemo.c +corender: corender.o ipc.o + $(CC) $(CFLAGS) corender.o ipc.o $(APP_LIB_DEPS) -o $@ + +corender.o: corender.c ipc.h + $(CC) -c -I. -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) corender.c + +ipc.o: ipc.c ipc.h + $(CC) -c -I. -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) ipc.c
\ No newline at end of file diff --git a/progs/xdemos/corender.c b/progs/xdemos/corender.c new file mode 100644 index 0000000000..02e4ac0216 --- /dev/null +++ b/progs/xdemos/corender.c @@ -0,0 +1,396 @@ +/** + * Example of cooperative rendering into one window by two processes. + * The first instance of the program creates the GLX window. + * The second instance of the program gets the window ID from the first + * and draws into it. + * Socket IPC is used for synchronization. + * + * Usage: + * 1. run 'corender &' + * 2. run 'corender 2' (any arg will do) + * + * Brian Paul + * 11 Oct 2007 + */ + + +#include <GL/gl.h> +#include <GL/glx.h> +#include <assert.h> +#include <math.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <X11/keysym.h> +#include <unistd.h> +#include "ipc.h" + + +static int MyID = 0; /* 0 or 1 */ +static int WindowID = 0; +static GLXContext Context = 0; +static int Width = 700, Height = 350; +static int Rot = 0; +static int Sock = 0; + +static GLfloat Red[4] = {1.0, 0.2, 0.2, 1.0}; +static GLfloat Blue[4] = {0.2, 0.2, 1.0, 1.0}; + +static int Sync = 1; /** synchronized rendering? */ + + +static void +setup_ipc(void) +{ + int k, port = 10001; + + if (MyID == 0) { + /* I'm the first one, wait for connection from second */ + k = CreatePort(&port); + assert(k != -1); + + printf("Waiting for connection from another 'corender'\n"); + Sock = AcceptConnection(k); + + printf("Got connection, sending windowID\n"); + + /* send windowID */ + SendData(Sock, &WindowID, sizeof(WindowID)); + } + else { + /* I'm the second one, connect to first */ + char hostname[1000]; + + MyHostName(hostname, 1000); + Sock = Connect(hostname, port); + assert(Sock != -1); + + /* get windowID */ + ReceiveData(Sock, &WindowID, sizeof(WindowID)); + printf("Contacted first 'corender', getting WindowID\n"); + } +} + + + +/** from GLUT */ +static void +doughnut(GLfloat r, GLfloat R, GLint nsides, GLint rings) +{ + int i, j; + GLfloat theta, phi, theta1; + GLfloat cosTheta, sinTheta; + GLfloat cosTheta1, sinTheta1; + GLfloat ringDelta, sideDelta; + + ringDelta = 2.0 * M_PI / rings; + sideDelta = 2.0 * M_PI / nsides; + + theta = 0.0; + cosTheta = 1.0; + sinTheta = 0.0; + for (i = rings - 1; i >= 0; i--) { + theta1 = theta + ringDelta; + cosTheta1 = cos(theta1); + sinTheta1 = sin(theta1); + glBegin(GL_QUAD_STRIP); + phi = 0.0; + for (j = nsides; j >= 0; j--) { + GLfloat cosPhi, sinPhi, dist; + + phi += sideDelta; + cosPhi = cos(phi); + sinPhi = sin(phi); + dist = R + r * cosPhi; + + glNormal3f(cosTheta1 * cosPhi, -sinTheta1 * cosPhi, sinPhi); + glVertex3f(cosTheta1 * dist, -sinTheta1 * dist, r * sinPhi); + glNormal3f(cosTheta * cosPhi, -sinTheta * cosPhi, sinPhi); + glVertex3f(cosTheta * dist, -sinTheta * dist, r * sinPhi); + } + glEnd(); + theta = theta1; + cosTheta = cosTheta1; + sinTheta = sinTheta1; + } +} + + +static void +redraw(Display *dpy) +{ + int dbg = 0; + + glXMakeCurrent(dpy, WindowID, Context); + glEnable(GL_LIGHTING); + glEnable(GL_LIGHT0); + glEnable(GL_DEPTH_TEST); + glClearColor(0.5, 0.5, 0.5, 0.0); + + if (MyID == 0) { + /* First process */ + + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + + glPushMatrix(); + glTranslatef(-1, 0, 0); + glRotatef(Rot, 1, 0, 0); + glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, Red); + doughnut(0.5, 2.0, 20, 30); + glPopMatrix(); + + glFinish(); + if (!Sync) { + usleep(1000*10); + } + + /* signal second process to render */ + if (Sync) { + int code = 1; + if (dbg) printf("0: send signal\n"); + SendData(Sock, &code, sizeof(code)); + SendData(Sock, &Rot, sizeof(Rot)); + } + + /* wait for second process to finish rendering */ + if (Sync) { + int code = 0; + if (dbg) printf("0: wait signal\n"); + ReceiveData(Sock, &code, sizeof(code)); + if (dbg) printf("0: got signal\n"); + assert(code == 2); + } + + } + else { + /* Second process */ + + /* wait for first process's signal for me to render */ + if (Sync) { + int code = 0; + if (dbg) printf("1: wait signal\n"); + ReceiveData(Sock, &code, sizeof(code)); + ReceiveData(Sock, &Rot, sizeof(Rot)); + + if (dbg) printf("1: got signal\n"); + assert(code == 1); + } + + /* XXX this clear should not be here, but for some reason, it + * makes things _mostly_ work correctly w/ NVIDIA's driver. + * There's only occasional glitches. + * Without this glClear(), depth buffer for the second process + * is pretty much broken. + */ + //glClear(GL_DEPTH_BUFFER_BIT); + + glPushMatrix(); + glTranslatef(1, 0, 0); + glRotatef(Rot + 90 , 1, 0, 0); + glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, Blue); + doughnut(0.5, 2.0, 20, 30); + glPopMatrix(); + glFinish(); + + glXSwapBuffers(dpy, WindowID); + usleep(1000*10); + + /* signal first process that I'm done rendering */ + if (Sync) { + int code = 2; + if (dbg) printf("1: send signal\n"); + SendData(Sock, &code, sizeof(code)); + } + } +} + + +static void +resize(Display *dpy, int width, int height) +{ + float ar = (float) width / height; + + glXMakeCurrent(dpy, WindowID, Context); + + glViewport(0, 0, width, height); + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + glFrustum(-ar, ar, 1.0, -1.0, 5.0, 200.0); + glMatrixMode(GL_MODELVIEW); + glLoadIdentity(); + glTranslatef(0, 0, -15); + + Width = width; + Height = height; +} + + + +static void +set_window_title(Display *dpy, Window win, const char *title) +{ + XSizeHints sizehints; + sizehints.flags = 0; + XSetStandardProperties(dpy, win, title, title, + None, (char **)NULL, 0, &sizehints); +} + + +static Window +make_gl_window(Display *dpy, XVisualInfo *visinfo, int width, int height) +{ + int scrnum; + XSetWindowAttributes attr; + unsigned long mask; + Window root; + Window win; + int x = 0, y = 0; + char *name = NULL; + + scrnum = DefaultScreen( dpy ); + root = RootWindow( dpy, scrnum ); + + /* window attributes */ + attr.background_pixel = 0; + attr.border_pixel = 0; + attr.colormap = XCreateColormap( dpy, root, visinfo->visual, AllocNone); + attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask; + mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask; + + win = XCreateWindow( dpy, root, x, y, width, height, + 0, visinfo->depth, InputOutput, + visinfo->visual, mask, &attr ); + + /* set hints and properties */ + { + XSizeHints sizehints; + sizehints.x = x; + sizehints.y = y; + sizehints.width = width; + sizehints.height = height; + sizehints.flags = USSize | USPosition; + XSetNormalHints(dpy, win, &sizehints); + XSetStandardProperties(dpy, win, name, name, + None, (char **)NULL, 0, &sizehints); + } + + return win; +} + + +static void +set_event_mask(Display *dpy, Window win) +{ + XSetWindowAttributes attr; + attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask; + XChangeWindowAttributes(dpy, win, CWEventMask, &attr); +} + + +static void +event_loop(Display *dpy) +{ + while (1) { + while (XPending(dpy) > 0) { + XEvent event; + XNextEvent(dpy, &event); + + switch (event.type) { + case Expose: + redraw(dpy); + break; + case ConfigureNotify: + resize(dpy, event.xconfigure.width, event.xconfigure.height); + break; + case KeyPress: + { + char buffer[10]; + int r, code; + code = XLookupKeysym(&event.xkey, 0); + if (code == XK_Left) { + } + else { + r = XLookupString(&event.xkey, buffer, sizeof(buffer), + NULL, NULL); + if (buffer[0] == 27) { + exit(0); + } + } + } + default: + /* nothing */ + ; + } + } + + if (MyID == 0 || !Sync) + Rot += 1; + redraw(dpy); + } +} + + +static XVisualInfo * +choose_visual(Display *dpy) +{ + int attribs[] = { GLX_RGBA, + GLX_RED_SIZE, 1, + GLX_GREEN_SIZE, 1, + GLX_BLUE_SIZE, 1, + GLX_DOUBLEBUFFER, + GLX_DEPTH_SIZE, 1, + None }; + int scrnum = DefaultScreen( dpy ); + return glXChooseVisual(dpy, scrnum, attribs); +} + + +static void +parse_opts(int argc, char *argv[]) +{ + if (argc > 1) { + MyID = 1; + } +} + + +int +main( int argc, char *argv[] ) +{ + Display *dpy; + XVisualInfo *visinfo; + + parse_opts(argc, argv); + + dpy = XOpenDisplay(NULL); + + visinfo = choose_visual(dpy); + + Context = glXCreateContext( dpy, visinfo, NULL, True ); + if (!Context) { + printf("Error: glXCreateContext failed\n"); + exit(1); + } + + if (MyID == 0) { + WindowID = make_gl_window(dpy, visinfo, Width, Height); + set_window_title(dpy, WindowID, "corender"); + XMapWindow(dpy, WindowID); + /*printf("WindowID 0x%x\n", (int) WindowID);*/ + } + + /* do ipc hand-shake here */ + setup_ipc(); + assert(Sock); + assert(WindowID); + + if (MyID == 1) { + set_event_mask(dpy, WindowID); + } + + resize(dpy, Width, Height); + + event_loop(dpy); + + return 0; +} diff --git a/progs/xdemos/glxgears.c b/progs/xdemos/glxgears.c index 75d63e51a2..ec431c16f0 100644 --- a/progs/xdemos/glxgears.c +++ b/progs/xdemos/glxgears.c @@ -433,7 +433,7 @@ make_window( Display *dpy, const char *name, attr.override_redirect = fullscreen; mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask | CWOverrideRedirect; - win = XCreateWindow( dpy, root, 0, 0, width, height, + win = XCreateWindow( dpy, root, x, y, width, height, 0, visinfo->depth, InputOutput, visinfo->visual, mask, &attr ); @@ -548,13 +548,16 @@ usage(void) printf(" -stereo run in stereo mode\n"); printf(" -fullscreen run in fullscreen mode\n"); printf(" -info display OpenGL renderer info\n"); + printf(" -winwidth <width> window width (default: 300)\n"); + printf(" -winheight <height> window height (default: 300)\n"); } int main(int argc, char *argv[]) { - const int winWidth = 300, winHeight = 300; + unsigned int winWidth = 300, winHeight = 300; + int x = 0, y = 0; Display *dpy; Window win; GLXContext ctx; @@ -576,6 +579,10 @@ main(int argc, char *argv[]) else if (strcmp(argv[i], "-fullscreen") == 0) { fullscreen = GL_TRUE; } + else if (i < argc-1 && strcmp(argv[i], "-geometry") == 0) { + XParseGeometry(argv[i+1], &x, &y, &winWidth, &winHeight); + i++; + } else { usage(); return -1; @@ -589,7 +596,7 @@ main(int argc, char *argv[]) return -1; } - make_window(dpy, "glxgears", 0, 0, winWidth, winHeight, &win, &ctx); + make_window(dpy, "glxgears", x, y, winWidth, winHeight, &win, &ctx); XMapWindow(dpy, win); glXMakeCurrent(dpy, win, ctx); diff --git a/progs/xdemos/glxinfo.c b/progs/xdemos/glxinfo.c index 3e8e0be520..db7d1ed08e 100644 --- a/progs/xdemos/glxinfo.c +++ b/progs/xdemos/glxinfo.c @@ -52,6 +52,13 @@ #define GLX_TRANSPARENT_RGB 0x8008 #endif +#ifndef GLX_RGBA_BIT +#define GLX_RGBA_BIT 0x00000001 +#endif + +#ifndef GLX_COLOR_INDEX_BIT +#define GLX_COLOR_INDEX_BIT 0x00000002 +#endif typedef enum { @@ -81,7 +88,7 @@ struct visual_attribs int transparentIndexValue; int bufferSize; int level; - int rgba; + int render_type; int doubleBuffer; int stereo; int auxBuffers; @@ -388,20 +395,61 @@ print_screen_info(Display *dpy, int scrnum, Bool allowDirect, GLboolean limits) XSetWindowAttributes attr; unsigned long mask; Window root; - GLXContext ctx; + GLXContext ctx = NULL; XVisualInfo *visinfo; int width = 100, height = 100; root = RootWindow(dpy, scrnum); visinfo = glXChooseVisual(dpy, scrnum, attribSingle); - if (!visinfo) { + if (!visinfo) visinfo = glXChooseVisual(dpy, scrnum, attribDouble); - if (!visinfo) { - fprintf(stderr, "Error: couldn't find RGB GLX visual\n"); - return; + + if (visinfo) + ctx = glXCreateContext( dpy, visinfo, NULL, allowDirect ); + +#ifdef GLX_VERSION_1_3 + { + int fbAttribSingle[] = { + GLX_RENDER_TYPE, GLX_RGBA_BIT, + GLX_RED_SIZE, 1, + GLX_GREEN_SIZE, 1, + GLX_BLUE_SIZE, 1, + GLX_DOUBLEBUFFER, GL_TRUE, + None }; + int fbAttribDouble[] = { + GLX_RENDER_TYPE, GLX_RGBA_BIT, + GLX_RED_SIZE, 1, + GLX_GREEN_SIZE, 1, + GLX_BLUE_SIZE, 1, + None }; + GLXFBConfig *configs = NULL; + int nConfigs; + + if (!visinfo) + configs = glXChooseFBConfig(dpy, scrnum, fbAttribSingle, &nConfigs); + if (!visinfo) + configs = glXChooseFBConfig(dpy, scrnum, fbAttribDouble, &nConfigs); + + if (configs) { + visinfo = glXGetVisualFromFBConfig(dpy, configs[0]); + ctx = glXCreateNewContext(dpy, configs[0], GLX_RGBA_TYPE, NULL, allowDirect); + XFree(configs); } } +#endif + + if (!visinfo) { + fprintf(stderr, "Error: couldn't find RGB GLX visual or fbconfig\n"); + return; + } + + if (!ctx) { + fprintf(stderr, "Error: glXCreateContext failed\n"); + XFree(visinfo); + XDestroyWindow(dpy, win); + return; + } attr.background_pixel = 0; attr.border_pixel = 0; @@ -412,14 +460,6 @@ print_screen_info(Display *dpy, int scrnum, Bool allowDirect, GLboolean limits) 0, visinfo->depth, InputOutput, visinfo->visual, mask, &attr); - ctx = glXCreateContext( dpy, visinfo, NULL, allowDirect ); - if (!ctx) { - fprintf(stderr, "Error: glXCreateContext failed\n"); - XFree(visinfo); - XDestroyWindow(dpy, win); - return; - } - if (glXMakeCurrent(dpy, win, ctx)) { const char *serverVendor = glXQueryServerString(dpy, scrnum, GLX_VENDOR); const char *serverVersion = glXQueryServerString(dpy, scrnum, GLX_VERSION); @@ -541,12 +581,27 @@ visual_class_abbrev(int cls) } } +static const char * +visual_render_type_name(int type) +{ + switch (type) { + case GLX_RGBA_BIT: + return "rgba"; + case GLX_COLOR_INDEX_BIT: + return "ci"; + case GLX_RGBA_BIT | GLX_COLOR_INDEX_BIT: + return "rgba|ci"; + default: + return ""; + } +} -static void +static GLboolean get_visual_attribs(Display *dpy, XVisualInfo *vInfo, struct visual_attribs *attribs) { const char *ext = glXQueryExtensionsString(dpy, vInfo->screen); + int rgba; memset(attribs, 0, sizeof(struct visual_attribs)); @@ -563,11 +618,17 @@ get_visual_attribs(Display *dpy, XVisualInfo *vInfo, attribs->colormapSize = vInfo->colormap_size; attribs->bitsPerRGB = vInfo->bits_per_rgb; - if (glXGetConfig(dpy, vInfo, GLX_USE_GL, &attribs->supportsGL) != 0) - return; + if (glXGetConfig(dpy, vInfo, GLX_USE_GL, &attribs->supportsGL) != 0 || + !attribs->supportsGL) + return GL_FALSE; glXGetConfig(dpy, vInfo, GLX_BUFFER_SIZE, &attribs->bufferSize); glXGetConfig(dpy, vInfo, GLX_LEVEL, &attribs->level); - glXGetConfig(dpy, vInfo, GLX_RGBA, &attribs->rgba); + glXGetConfig(dpy, vInfo, GLX_RGBA, &rgba); + if (rgba) + attribs->render_type = GLX_RGBA_BIT; + else + attribs->render_type = GLX_COLOR_INDEX_BIT; + glXGetConfig(dpy, vInfo, GLX_DOUBLEBUFFER, &attribs->doubleBuffer); glXGetConfig(dpy, vInfo, GLX_STEREO, &attribs->stereo); glXGetConfig(dpy, vInfo, GLX_AUX_BUFFERS, &attribs->auxBuffers); @@ -616,8 +677,97 @@ get_visual_attribs(Display *dpy, XVisualInfo *vInfo, #else attribs->visualCaveat = 0; #endif + + return GL_TRUE; } +#ifdef GLX_VERSION_1_3 + +static int +glx_token_to_visual_class(int visual_type) +{ + switch (visual_type) { + case GLX_TRUE_COLOR: + return TrueColor; + case GLX_DIRECT_COLOR: + return DirectColor; + case GLX_PSEUDO_COLOR: + return PseudoColor; + case GLX_STATIC_COLOR: + return StaticColor; + case GLX_GRAY_SCALE: + return GrayScale; + case GLX_STATIC_GRAY: + return StaticGray; + case GLX_NONE: + default: + return None; + } +} + +static GLboolean +get_fbconfig_attribs(Display *dpy, GLXFBConfig fbconfig, + struct visual_attribs *attribs) +{ + int visual_type; + + memset(attribs, 0, sizeof(struct visual_attribs)); + + glXGetFBConfigAttrib(dpy, fbconfig, GLX_FBCONFIG_ID, &attribs->id); + +#if 0 + attribs->depth = vInfo->depth; + attribs->redMask = vInfo->red_mask; + attribs->greenMask = vInfo->green_mask; + attribs->blueMask = vInfo->blue_mask; + attribs->colormapSize = vInfo->colormap_size; + attribs->bitsPerRGB = vInfo->bits_per_rgb; +#endif + + glXGetFBConfigAttrib(dpy, fbconfig, GLX_X_VISUAL_TYPE, &visual_type); + attribs->klass = glx_token_to_visual_class(visual_type); + + glXGetFBConfigAttrib(dpy, fbconfig, GLX_BUFFER_SIZE, &attribs->bufferSize); + glXGetFBConfigAttrib(dpy, fbconfig, GLX_LEVEL, &attribs->level); + glXGetFBConfigAttrib(dpy, fbconfig, GLX_RENDER_TYPE, &attribs->render_type); + glXGetFBConfigAttrib(dpy, fbconfig, GLX_DOUBLEBUFFER, &attribs->doubleBuffer); + glXGetFBConfigAttrib(dpy, fbconfig, GLX_STEREO, &attribs->stereo); + glXGetFBConfigAttrib(dpy, fbconfig, GLX_AUX_BUFFERS, &attribs->auxBuffers); + + glXGetFBConfigAttrib(dpy, fbconfig, GLX_RED_SIZE, &attribs->redSize); + glXGetFBConfigAttrib(dpy, fbconfig, GLX_GREEN_SIZE, &attribs->greenSize); + glXGetFBConfigAttrib(dpy, fbconfig, GLX_BLUE_SIZE, &attribs->blueSize); + glXGetFBConfigAttrib(dpy, fbconfig, GLX_ALPHA_SIZE, &attribs->alphaSize); + glXGetFBConfigAttrib(dpy, fbconfig, GLX_DEPTH_SIZE, &attribs->depthSize); + glXGetFBConfigAttrib(dpy, fbconfig, GLX_STENCIL_SIZE, &attribs->stencilSize); + + glXGetFBConfigAttrib(dpy, fbconfig, GLX_ACCUM_RED_SIZE, &attribs->accumRedSize); + glXGetFBConfigAttrib(dpy, fbconfig, GLX_ACCUM_GREEN_SIZE, &attribs->accumGreenSize); + glXGetFBConfigAttrib(dpy, fbconfig, GLX_ACCUM_BLUE_SIZE, &attribs->accumBlueSize); + glXGetFBConfigAttrib(dpy, fbconfig, GLX_ACCUM_ALPHA_SIZE, &attribs->accumAlphaSize); + + /* get transparent pixel stuff */ + glXGetFBConfigAttrib(dpy, fbconfig,GLX_TRANSPARENT_TYPE, &attribs->transparentType); + if (attribs->transparentType == GLX_TRANSPARENT_RGB) { + glXGetFBConfigAttrib(dpy, fbconfig, GLX_TRANSPARENT_RED_VALUE, &attribs->transparentRedValue); + glXGetFBConfigAttrib(dpy, fbconfig, GLX_TRANSPARENT_GREEN_VALUE, &attribs->transparentGreenValue); + glXGetFBConfigAttrib(dpy, fbconfig, GLX_TRANSPARENT_BLUE_VALUE, &attribs->transparentBlueValue); + glXGetFBConfigAttrib(dpy, fbconfig, GLX_TRANSPARENT_ALPHA_VALUE, &attribs->transparentAlphaValue); + } + else if (attribs->transparentType == GLX_TRANSPARENT_INDEX) { + glXGetFBConfigAttrib(dpy, fbconfig, GLX_TRANSPARENT_INDEX_VALUE, &attribs->transparentIndexValue); + } + + glXGetFBConfigAttrib(dpy, fbconfig, GLX_SAMPLE_BUFFERS, &attribs->numMultisample); + glXGetFBConfigAttrib(dpy, fbconfig, GLX_SAMPLES, &attribs->numSamples); + glXGetFBConfigAttrib(dpy, fbconfig, GLX_CONFIG_CAVEAT, &attribs->visualCaveat); + + return GL_TRUE; +} + +#endif + + static void print_visual_attribs_verbose(const struct visual_attribs *attribs) @@ -625,7 +775,8 @@ print_visual_attribs_verbose(const struct visual_attribs *attribs) printf("Visual ID: %x depth=%d class=%s\n", attribs->id, attribs->depth, visual_class_name(attribs->klass)); printf(" bufferSize=%d level=%d renderType=%s doubleBuffer=%d stereo=%d\n", - attribs->bufferSize, attribs->level, attribs->rgba ? "rgba" : "ci", + attribs->bufferSize, attribs->level, + visual_render_type_name(attribs->render_type), attribs->doubleBuffer, attribs->stereo); printf(" rgba: redSize=%d greenSize=%d blueSize=%d alphaSize=%d\n", attribs->redSize, attribs->greenSize, @@ -683,16 +834,17 @@ print_visual_attribs_short(const struct visual_attribs *attribs) caveat = "None"; #endif - printf("0x%2x %2d %2s %2d %2d %2d %1s %2s %2s %2d %2d %2d %2d %2d %2d %2d", + printf("0x%02x %2d %2s %2d %2d %2d %c%c %c %c %2d %2d %2d %2d %2d %2d %2d", attribs->id, attribs->depth, visual_class_abbrev(attribs->klass), attribs->transparentType != GLX_NONE, attribs->bufferSize, attribs->level, - attribs->rgba ? "r" : "c", - attribs->doubleBuffer ? "y" : ".", - attribs->stereo ? "y" : ".", + (attribs->render_type & GLX_RGBA_BIT) ? 'r' : ' ', + (attribs->render_type & GLX_COLOR_INDEX_BIT) ? 'c' : ' ', + attribs->doubleBuffer ? 'y' : '.', + attribs->stereo ? 'y' : '.', attribs->redSize, attribs->greenSize, attribs->blueSize, attribs->alphaSize, attribs->auxBuffers, @@ -728,7 +880,7 @@ print_visual_attribs_long(const struct visual_attribs *attribs) attribs->transparentType != GLX_NONE, attribs->bufferSize, attribs->level, - attribs->rgba ? "rgba" : "ci ", + visual_render_type_name(attribs->render_type), attribs->doubleBuffer, attribs->stereo, attribs->redSize, attribs->greenSize, @@ -751,42 +903,86 @@ print_visual_info(Display *dpy, int scrnum, InfoMode mode) { XVisualInfo theTemplate; XVisualInfo *visuals; - int numVisuals; + int numVisuals, numGlxVisuals; long mask; int i; + struct visual_attribs attribs; /* get list of all visuals on this screen */ theTemplate.screen = scrnum; mask = VisualScreenMask; visuals = XGetVisualInfo(dpy, mask, &theTemplate, &numVisuals); - if (mode == Verbose) { - for (i = 0; i < numVisuals; i++) { - struct visual_attribs attribs; - get_visual_attribs(dpy, &visuals[i], &attribs); - print_visual_attribs_verbose(&attribs); - } + numGlxVisuals = 0; + for (i = 0; i < numVisuals; i++) { + if (get_visual_attribs(dpy, &visuals[i], &attribs)) + numGlxVisuals++; } - else if (mode == Normal) { + + if (numGlxVisuals == 0) + return; + + printf("%d GLX Visuals\n", numGlxVisuals); + + if (mode == Normal) print_visual_attribs_short_header(); - for (i = 0; i < numVisuals; i++) { - struct visual_attribs attribs; - get_visual_attribs(dpy, &visuals[i], &attribs); + else if (mode == Wide) + print_visual_attribs_long_header(); + + for (i = 0; i < numVisuals; i++) { + if (!get_visual_attribs(dpy, &visuals[i], &attribs)) + continue; + + if (mode == Verbose) + print_visual_attribs_verbose(&attribs); + else if (mode == Normal) print_visual_attribs_short(&attribs); - } + else if (mode == Wide) + print_visual_attribs_long(&attribs); } - else if (mode == Wide) { + printf("\n"); + + XFree(visuals); +} + +#ifdef GLX_VERSION_1_3 + +static void +print_fbconfig_info(Display *dpy, int scrnum, InfoMode mode) +{ + int numFBConfigs; + struct visual_attribs attribs; + GLXFBConfig *fbconfigs; + int i; + + /* get list of all fbconfigs on this screen */ + fbconfigs = glXGetFBConfigs(dpy, scrnum, &numFBConfigs); + + if (numFBConfigs == 0) + return; + + printf("%d GLXFBConfigs:\n", numFBConfigs); + if (mode == Normal) + print_visual_attribs_short_header(); + else if (mode == Wide) print_visual_attribs_long_header(); - for (i = 0; i < numVisuals; i++) { - struct visual_attribs attribs; - get_visual_attribs(dpy, &visuals[i], &attribs); + + for (i = 0; i < numFBConfigs; i++) { + get_fbconfig_attribs(dpy, fbconfigs[i], &attribs); + + if (mode == Verbose) + print_visual_attribs_verbose(&attribs); + else if (mode == Normal) + print_visual_attribs_short(&attribs); + else if (mode == Wide) print_visual_attribs_long(&attribs); - } } + printf("\n"); - XFree(visuals); + XFree(fbconfigs); } +#endif /* * Stand-alone Mesa doesn't really implement the GLX protocol so it @@ -860,7 +1056,7 @@ find_best_visual(Display *dpy, int scrnum) /* see if this vis is better than bestVis */ if ((!bestVis.supportsGL && vis.supportsGL) || (bestVis.visualCaveat != GLX_NONE_EXT) || - (!bestVis.rgba && vis.rgba) || + (!(bestVis.render_type & GLX_RGBA_BIT) && (vis.render_type & GLX_RGBA_BIT)) || (!bestVis.doubleBuffer && vis.doubleBuffer) || (bestVis.redSize < vis.redSize) || (bestVis.greenSize < vis.greenSize) || @@ -957,6 +1153,9 @@ main(int argc, char *argv[]) print_screen_info(dpy, scrnum, allowDirect, limits); printf("\n"); print_visual_info(dpy, scrnum, mode); +#ifdef GLX_VERSION_1_3 + print_fbconfig_info(dpy, scrnum, mode); +#endif if (scrnum + 1 < numScreens) printf("\n\n"); } diff --git a/progs/xdemos/glxsnoop.c b/progs/xdemos/glxsnoop.c new file mode 100644 index 0000000000..2e951345b5 --- /dev/null +++ b/progs/xdemos/glxsnoop.c @@ -0,0 +1,377 @@ +/** + * Display/snoop the z/stencil/back/front buffers of another app's window. + * Also, an example of the need for shared ancillary renderbuffers. + * + * Hint: use 'xwininfo' to get a window's ID. + * + * Brian Paul + * 11 Oct 2007 + */ + +#define GL_GLEXT_PROTOTYPES + +#include <GL/gl.h> +#include <GL/glx.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <X11/keysym.h> + + +#define Z_BUFFER 1 +#define STENCIL_BUFFER 2 +#define BACK_BUFFER 3 +#define FRONT_BUFFER 4 + + +static int Buffer = BACK_BUFFER; +static int WindowID = 0; +static const char *DisplayName = NULL; +static GLXContext Context = 0; +static int Width, Height; + + +/** + * Grab the z/stencil/back/front image from the srcWin and display it + * (possibly converted to grayscale) in the dstWin. + */ +static void +redraw(Display *dpy, Window srcWin, Window dstWin ) +{ + GLubyte *image = malloc(Width * Height * 4); + + glXMakeCurrent(dpy, srcWin, Context); + glPixelStorei(GL_PACK_ALIGNMENT, 1); + if (Buffer == BACK_BUFFER) { + glReadBuffer(GL_BACK); + glReadPixels(0, 0, Width, Height, GL_RGBA, GL_UNSIGNED_BYTE, image); + } + else if (Buffer == FRONT_BUFFER) { + glReadBuffer(GL_FRONT); + glReadPixels(0, 0, Width, Height, GL_RGBA, GL_UNSIGNED_BYTE, image); + } + else if (Buffer == Z_BUFFER) { + GLfloat *z = malloc(Width * Height * sizeof(GLfloat)); + int i; + glReadPixels(0, 0, Width, Height, GL_DEPTH_COMPONENT, GL_FLOAT, z); + for (i = 0; i < Width * Height; i++) { + image[i*4+0] = + image[i*4+1] = + image[i*4+2] = (GLint) (255.0 * z[i]); + image[i*4+3] = 255; + } + free(z); + } + else if (Buffer == STENCIL_BUFFER) { + GLubyte *sten = malloc(Width * Height * sizeof(GLubyte)); + int i, min = 100, max = -1; + float step; + int sz; + glGetIntegerv(GL_STENCIL_BITS, &sz); + glReadPixels(0, 0, Width, Height, + GL_STENCIL_INDEX, GL_UNSIGNED_BYTE, sten); + /* find min/max for converting stencil to grayscale */ + for (i = 0; i < Width * Height; i++) { + if (sten[i] < min) + min = sten[i]; + if (sten[i] > max) + max = sten[i]; + } + if (min == max) + step = 0; + else + step = 255.0 / (float) (max - min); + for (i = 0; i < Width * Height; i++) { + image[i*4+0] = + image[i*4+1] = + image[i*4+2] = (GLint) ((sten[i] - min) * step); + image[i*4+3] = 255; + } + free(sten); + } + + glXMakeCurrent(dpy, dstWin, Context); + glWindowPos2iARB(0, 0); + glDrawBuffer(GL_FRONT); + glDrawPixels(Width, Height, GL_RGBA, GL_UNSIGNED_BYTE, image); + glFlush(); + + free(image); +} + + +static void +set_window_title(Display *dpy, Window win, const char *title) +{ + XSizeHints sizehints; + sizehints.flags = 0; + XSetStandardProperties(dpy, win, title, title, + None, (char **)NULL, 0, &sizehints); +} + + +static Window +make_gl_window(Display *dpy, XVisualInfo *visinfo, int width, int height) +{ + int scrnum; + XSetWindowAttributes attr; + unsigned long mask; + Window root; + Window win; + int x = 0, y = 0; + char *name = NULL; + + scrnum = DefaultScreen( dpy ); + root = RootWindow( dpy, scrnum ); + + /* window attributes */ + attr.background_pixel = 0; + attr.border_pixel = 0; + attr.colormap = XCreateColormap( dpy, root, visinfo->visual, AllocNone); + attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask; + mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask; + + win = XCreateWindow( dpy, root, x, y, width, height, + 0, visinfo->depth, InputOutput, + visinfo->visual, mask, &attr ); + + /* set hints and properties */ + { + XSizeHints sizehints; + sizehints.x = x; + sizehints.y = y; + sizehints.width = width; + sizehints.height = height; + sizehints.flags = USSize | USPosition; + XSetNormalHints(dpy, win, &sizehints); + XSetStandardProperties(dpy, win, name, name, + None, (char **)NULL, 0, &sizehints); + } + + return win; +} + + +static void +update_window_title(Display *dpy, Window win) +{ + char title[1000], *buf; + + switch (Buffer) { + case Z_BUFFER: + buf = "Z"; + break; + case STENCIL_BUFFER: + buf = "Stencil"; + break; + case BACK_BUFFER: + buf = "Back"; + break; + case FRONT_BUFFER: + buf = "Front"; + break; + default: + buf = ""; + } + + sprintf(title, "glxsnoop window 0x%x (%s buffer)", (int) WindowID, buf); + + set_window_title(dpy, win, title); +} + + +static void +keypress(Display *dpy, Window win, char key) +{ + switch (key) { + case 27: + /* escape */ + exit(0); + break; + case 's': + Buffer = STENCIL_BUFFER; + break; + case 'z': + Buffer = Z_BUFFER; + break; + case 'f': + Buffer = FRONT_BUFFER; + break; + case 'b': + Buffer = BACK_BUFFER; + break; + default: + return; + } + + update_window_title(dpy, win); + redraw(dpy, WindowID, win); +} + + +static void +event_loop(Display *dpy, Window win) +{ + XEvent event; + + while (1) { + XNextEvent( dpy, &event ); + + switch (event.type) { + case Expose: + redraw(dpy, WindowID, win); + break; + case ConfigureNotify: + /*resize( event.xconfigure.width, event.xconfigure.height );*/ + break; + case KeyPress: + { + char buffer[10]; + int r, code; + code = XLookupKeysym(&event.xkey, 0); + if (code == XK_Left) { + } + else { + r = XLookupString(&event.xkey, buffer, sizeof(buffer), + NULL, NULL); + keypress(dpy, win, buffer[0]); + } + } + default: + /* nothing */ + ; + } + } +} + + +static VisualID +get_window_visualid(Display *dpy, Window win) +{ + XWindowAttributes attr; + + if (XGetWindowAttributes(dpy, win, &attr)) { + return attr.visual->visualid; + } + else { + return 0; + } +} + + +static void +get_window_size(Display *dpy, Window win, int *w, int *h) +{ + XWindowAttributes attr; + + if (XGetWindowAttributes(dpy, win, &attr)) { + *w = attr.width; + *h = attr.height; + } + else { + *w = *h = 0; + } +} + + +static XVisualInfo * +visualid_to_visualinfo(Display *dpy, VisualID vid) +{ + XVisualInfo *vinfo, templ; + long mask; + int n; + + templ.visualid = vid; + mask = VisualIDMask; + + vinfo = XGetVisualInfo(dpy, mask, &templ, &n); + return vinfo; +} + + +static void +key_usage(void) +{ + printf("Keyboard:\n"); + printf(" z - display Z buffer\n"); + printf(" s - display stencil buffer\n"); + printf(" f - display front color buffer\n"); + printf(" b - display back buffer\n"); +} + + +static void +usage(void) +{ + printf("Usage: glxsnoop [-display dpy] windowID\n"); + key_usage(); +} + + +static void +parse_opts(int argc, char *argv[]) +{ + int i; + + for (i = 1; i < argc; i++) { + if (strcmp(argv[i], "-h") == 0) { + usage(); + exit(0); + } + else if (strcmp(argv[i], "-display") == 0) { + DisplayName = argv[i + 1]; + i++; + } + else { + if (argv[i][0] == '0' && argv[i][1] == 'x') { + /* hex */ + WindowID = strtol(argv[i], NULL, 16); + } + else { + WindowID = atoi(argv[i]); + } + break; + } + } + + if (!WindowID) { + usage(); + exit(0); + } +} + + +int +main( int argc, char *argv[] ) +{ + Display *dpy; + VisualID vid; + XVisualInfo *visinfo; + Window win; + + parse_opts(argc, argv); + + key_usage(); + + dpy = XOpenDisplay(DisplayName); + + /* find the VisualID for the named window */ + vid = get_window_visualid(dpy, WindowID); + get_window_size(dpy, WindowID, &Width, &Height); + + visinfo = visualid_to_visualinfo(dpy, vid); + + Context = glXCreateContext( dpy, visinfo, NULL, True ); + if (!Context) { + printf("Error: glXCreateContext failed\n"); + exit(1); + } + + win = make_gl_window(dpy, visinfo, Width, Height); + XMapWindow(dpy, win); + update_window_title(dpy, win); + + event_loop( dpy, win ); + + return 0; +} diff --git a/progs/xdemos/glxswapcontrol.c b/progs/xdemos/glxswapcontrol.c index d9be984be5..e429d58ecc 100644 --- a/progs/xdemos/glxswapcontrol.c +++ b/progs/xdemos/glxswapcontrol.c @@ -814,6 +814,11 @@ main(int argc, char *argv[]) init(); + /* Set initial projection/viewing transformation. + * same as glxgears.c + */ + reshape(300, 300); + event_loop(dpy, win); glXDestroyContext(dpy, ctx); diff --git a/progs/xdemos/ipc.c b/progs/xdemos/ipc.c new file mode 100644 index 0000000000..fa52b09076 --- /dev/null +++ b/progs/xdemos/ipc.c @@ -0,0 +1,264 @@ +/* Copyright (c) 2003 Tungsten Graphics, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files ("the + * Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: The above copyright notice, the Tungsten + * Graphics splash screen, and this permission notice shall be included + * in all copies or substantial portions of the Software. THE SOFTWARE + * IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, + * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT + * SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR + * THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +/* + * Simple IPC API + * Brian Paul + */ + + +#include <assert.h> +#include <stdio.h> +#include <string.h> +#include <netinet/in.h> +#include <netinet/tcp.h> +#include <arpa/inet.h> +#include <netdb.h> +#include <unistd.h> +#include <sys/types.h> +#include <sys/socket.h> +#include "ipc.h" + +#if defined(IRIX) || defined(irix) +typedef int socklen_t; +#endif + +#define NO_DELAY 1 + +#define DEFAULT_MASTER_PORT 7011 + + +/* + * Return my hostname in <nameOut>. + * Return 1 for success, 0 for error. + */ +int +MyHostName(char *nameOut, int maxNameLength) +{ + int k = gethostname(nameOut, maxNameLength); + return k==0; +} + + +/* + * Create a socket attached to a port. Later, we can call AcceptConnection + * on the socket returned from this function. + * Return the new socket number or -1 if error. + */ +int +CreatePort(int *port) +{ + char hostname[1000]; + struct sockaddr_in servaddr; + struct hostent *hp; + int so_reuseaddr = 1; + int tcp_nodelay = 1; + int sock, k; + + /* create socket */ + sock = socket(AF_INET, SOCK_STREAM, 0); + assert(sock > 2); + + /* get my host name */ + k = gethostname(hostname, 1000); + assert(k == 0); + + /* get hostent info */ + hp = gethostbyname(hostname); + assert(hp); + + /* initialize the servaddr struct */ + memset(&servaddr, 0, sizeof(servaddr) ); + servaddr.sin_family = AF_INET; + servaddr.sin_port = htons((unsigned short) (*port)); + memcpy((char *) &servaddr.sin_addr, hp->h_addr, + sizeof(servaddr.sin_addr)); + + /* deallocate when we exit */ + k = setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, + (char *) &so_reuseaddr, sizeof(so_reuseaddr)); + assert(k==0); + + /* send packets immediately */ +#if NO_DELAY + k = setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, + (char *) &tcp_nodelay, sizeof(tcp_nodelay)); + assert(k==0); +#endif + + if (*port == 0) + *port = DEFAULT_MASTER_PORT; + + k = 1; + while (k && (*port < 65534)) { + /* bind our address to the socket */ + servaddr.sin_port = htons((unsigned short) (*port)); + k = bind(sock, (struct sockaddr *) &servaddr, sizeof(servaddr)); + if (k) + *port = *port + 1; + } + +#if 0 + printf("###### Real Port: %d\n", *port); +#endif + + /* listen for connections */ + k = listen(sock, 100); + assert(k == 0); + + return sock; +} + + +/* + * Accept a connection on the named socket. + * Return a new socket for the new connection, or -1 if error. + */ +int +AcceptConnection(int socket) +{ + struct sockaddr addr; + socklen_t addrLen; + int newSock; + + addrLen = sizeof(addr); + newSock = accept(socket, &addr, &addrLen); + if (newSock == 1) + return -1; + else + return newSock; +} + + +/* + * Contact the server running on the given host on the named port. + * Return socket number or -1 if error. + */ +int +Connect(const char *hostname, int port) +{ + struct sockaddr_in servaddr; + struct hostent *hp; + int sock, k; + int tcp_nodelay = 1; + + assert(port); + + sock = socket(AF_INET, SOCK_STREAM, 0); + assert(sock >= 0); + + hp = gethostbyname(hostname); + assert(hp); + + memset(&servaddr, 0, sizeof(servaddr)); + servaddr.sin_family = AF_INET; + servaddr.sin_port = htons((unsigned short) port); + memcpy((char *) &servaddr.sin_addr, hp->h_addr, sizeof(servaddr.sin_addr)); + + k = connect(sock, (struct sockaddr *) &servaddr, sizeof(servaddr)); + if (k != 0) { + perror("Connect:"); + return -1; + } + +#if NO_DELAY + /* send packets immediately */ + k = setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, + (char *) &tcp_nodelay, sizeof(tcp_nodelay)); + assert(k==0); +#endif + + return sock; +} + + +void +CloseSocket(int socket) +{ + close(socket); +} + + +int +SendData(int socket, const void *data, int bytes) +{ + int sent = 0; + int b; + + while (sent < bytes) { + b = write(socket, (char *) data + sent, bytes - sent); + if (b <= 0) + return -1; /* something broke */ + sent += b; + } + return sent; +} + + +int +ReceiveData(int socket, void *data, int bytes) +{ + int received = 0, b; + + while (received < bytes) { + b = read(socket, (char *) data + received, bytes - received); + if (b <= 0) + return -1; + received += b; + } + return received; +} + + +int +SendString(int socket, const char *str) +{ + const int len = strlen(str); + int sent, b; + + /* first, send a 4-byte length indicator */ + b = write(socket, &len, sizeof(len)); + if (b <= 0) + return -1; + + sent = SendData(socket, str, len); + assert(sent == len); + return sent; +} + + +int +ReceiveString(int socket, char *str, int maxLen) +{ + int len, received, b; + + /* first, read 4 bytes to see how long of string to receive */ + b = read(socket, &len, sizeof(len)); + if (b <= 0) + return -1; + + assert(len <= maxLen); /* XXX fix someday */ + assert(len >= 0); + received = ReceiveData(socket, str, len); + assert(received != -1); + assert(received == len); + str[len] = 0; + return received; +} diff --git a/progs/xdemos/ipc.h b/progs/xdemos/ipc.h new file mode 100644 index 0000000000..3f434457c6 --- /dev/null +++ b/progs/xdemos/ipc.h @@ -0,0 +1,16 @@ +#ifndef IPC_H +#define IPC_H + + +extern int MyHostName(char *nameOut, int maxNameLength); +extern int CreatePort(int *port); +extern int AcceptConnection(int socket); +extern int Connect(const char *hostname, int port); +extern void CloseSocket(int socket); +extern int SendData(int socket, const void *data, int bytes); +extern int ReceiveData(int socket, void *data, int bytes); +extern int SendString(int socket, const char *str); +extern int ReceiveString(int socket, char *str, int maxLen); + + +#endif /* IPC_H */ diff --git a/progs/xdemos/pbdemo.c b/progs/xdemos/pbdemo.c index efdfdfa452..7db0017b33 100644 --- a/progs/xdemos/pbdemo.c +++ b/progs/xdemos/pbdemo.c @@ -93,7 +93,7 @@ MakePbuffer( Display *dpy, int screen, int width, int height ) None }, { - /* Single bufferd, without depth buffer */ + /* Single buffered, without depth buffer */ GLX_RENDER_TYPE, GLX_RGBA_BIT, GLX_DRAWABLE_TYPE, GLX_PBUFFER_BIT, GLX_RED_SIZE, 1, @@ -105,7 +105,7 @@ MakePbuffer( Display *dpy, int screen, int width, int height ) None }, { - /* Double bufferd, without depth buffer */ + /* Double buffered, without depth buffer */ GLX_RENDER_TYPE, GLX_RGBA_BIT, GLX_DRAWABLE_TYPE, GLX_PBUFFER_BIT, GLX_RED_SIZE, 1, @@ -130,9 +130,8 @@ MakePbuffer( Display *dpy, int screen, int width, int height ) /* Get list of possible frame buffer configurations */ fbConfigs = ChooseFBConfig(dpy, screen, fbAttribs[attempt], &nConfigs); if (nConfigs==0 || !fbConfigs) { - printf("Error: glXChooseFBConfig failed\n"); - XCloseDisplay(dpy); - return 0; + printf("Note: glXChooseFBConfig(%s) failed\n", fbString[attempt]); + continue; } #if 0 /*DEBUG*/ diff --git a/progs/xdemos/pbutil.c b/progs/xdemos/pbutil.c index d0bbd1b0fc..ce133d012d 100644 --- a/progs/xdemos/pbutil.c +++ b/progs/xdemos/pbutil.c @@ -18,12 +18,12 @@ * Test if we pixel buffers are available for a particular X screen. * Input: dpy - the X display * screen - screen number - * Return: 0 = pixel buffers not available. - * 1 = pixel buffers are available via GLX 1.3. - * 2 = pixel buffers are available via GLX_SGIX_fbconfig/pbuffer. + * Return: 0 = fbconfigs not available. + * 1 = fbconfigs are available via GLX 1.3. + * 2 = fbconfigs and pbuffers are available via GLX_SGIX_fbconfig */ int -QueryPbuffers(Display *dpy, int screen) +QueryFBConfig(Display *dpy, int screen) { #if defined(GLX_VERSION_1_3) { @@ -40,36 +40,55 @@ QueryPbuffers(Display *dpy, int screen) } #endif -#if defined(GLX_SGIX_fbconfig) && defined(GLX_SGIX_pbuffer) /* Try the SGIX extensions */ { char *extensions; extensions = (char *) glXQueryServerString(dpy, screen, GLX_EXTENSIONS); - if (!extensions || - !strstr(extensions,"GLX_SGIX_fbconfig") || - !strstr(extensions,"GLX_SGIX_pbuffer")) { - return 0; + if (extensions && strstr(extensions,"GLX_SGIX_fbconfig")) { + return 2; } - return 2; } -#endif return 0; } +/** + * Test if we pixel buffers are available for a particular X screen. + * Input: dpy - the X display + * screen - screen number + * Return: 0 = pixel buffers not available. + * 1 = pixel buffers are available via GLX 1.3. + * 2 = pixel buffers are available via GLX_SGIX_fbconfig/pbuffer. + */ +int +QueryPbuffers(Display *dpy, int screen) +{ + int ret; + ret = QueryFBConfig(dpy, screen); + if (ret == 2) { + char *extensions; + extensions = (char *) glXQueryServerString(dpy, screen, GLX_EXTENSIONS); + if (extensions && strstr(extensions, "GLX_SGIX_pbuffer")) + return 2; + else + return 0; + } + else + return ret; +} FBCONFIG * ChooseFBConfig(Display *dpy, int screen, const int attribs[], int *nConfigs) { - int pbSupport = QueryPbuffers(dpy, screen); + int fbcSupport = QueryPbuffers(dpy, screen); #if defined(GLX_VERSION_1_3) - if (pbSupport == 1) { + if (fbcSupport == 1) { return glXChooseFBConfig(dpy, screen, attribs, nConfigs); } #endif #if defined(GLX_SGIX_fbconfig) && defined(GLX_SGIX_pbuffer) - if (pbSupport == 2) { + if (fbcSupport == 2) { return glXChooseFBConfigSGIX(dpy, screen, (int *) attribs, nConfigs); } #endif @@ -80,14 +99,14 @@ ChooseFBConfig(Display *dpy, int screen, const int attribs[], int *nConfigs) FBCONFIG * GetAllFBConfigs(Display *dpy, int screen, int *nConfigs) { - int pbSupport = QueryPbuffers(dpy, screen); + int fbcSupport = QueryFBConfig(dpy, screen); #if defined(GLX_VERSION_1_3) - if (pbSupport == 1) { + if (fbcSupport == 1) { return glXGetFBConfigs(dpy, screen, nConfigs); } #endif #if defined(GLX_SGIX_fbconfig) && defined(GLX_SGIX_pbuffer) - if (pbSupport == 2) { + if (fbcSupport == 2) { /* The GLX_SGIX_fbconfig extensions says to pass NULL to get list * of all available configurations. */ @@ -101,14 +120,14 @@ GetAllFBConfigs(Display *dpy, int screen, int *nConfigs) XVisualInfo * GetVisualFromFBConfig(Display *dpy, int screen, FBCONFIG config) { - int pbSupport = QueryPbuffers(dpy, screen); + int fbcSupport = QueryFBConfig(dpy, screen); #if defined(GLX_VERSION_1_3) - if (pbSupport == 1) { + if (fbcSupport == 1) { return glXGetVisualFromFBConfig(dpy, config); } #endif #if defined(GLX_SGIX_fbconfig) && defined(GLX_SGIX_pbuffer) - if (pbSupport == 2) { + if (fbcSupport == 2) { return glXGetVisualFromFBConfigSGIX(dpy, config); } #endif @@ -130,11 +149,11 @@ GetFBConfigAttrib(Display *dpy, int screen, int attrib ) { - int pbSupport = QueryPbuffers(dpy, screen); + int fbcSupport = QueryFBConfig(dpy, screen); int value = 0; #if defined(GLX_VERSION_1_3) - if (pbSupport == 1) { + if (fbcSupport == 1) { /* ok */ if (glXGetFBConfigAttrib(dpy, config, attrib, &value) != 0) { value = 0; @@ -145,7 +164,7 @@ GetFBConfigAttrib(Display *dpy, int screen, #endif #if defined(GLX_SGIX_fbconfig) && defined(GLX_SGIX_pbuffer) - if (pbSupport == 2) { + if (fbcSupport == 2) { if (glXGetFBConfigAttribSGIX(dpy, config, attrib, &value) != 0) { value = 0; } @@ -295,9 +314,9 @@ PrintFBConfigInfo(Display *dpy, int screen, FBCONFIG config, Bool horizFormat) GLXContext CreateContext(Display *dpy, int screen, FBCONFIG config) { - int pbSupport = QueryPbuffers(dpy, screen); + int fbcSupport = QueryFBConfig(dpy, screen); #if defined(GLX_VERSION_1_3) - if (pbSupport == 1) { + if (fbcSupport == 1) { /* GLX 1.3 */ GLXContext c; c = glXCreateNewContext(dpy, config, GLX_RGBA_TYPE, NULL, True); @@ -309,7 +328,7 @@ CreateContext(Display *dpy, int screen, FBCONFIG config) } #endif #if defined(GLX_SGIX_fbconfig) && defined(GLX_SGIX_pbuffer) - if (pbSupport == 2) { + if (fbcSupport == 2) { GLXContext c; c = glXCreateContextWithConfigSGIX(dpy, config, GLX_RGBA_TYPE_SGIX, NULL, True); if (!c) { @@ -393,6 +412,7 @@ CreatePbuffer(Display *dpy, int screen, FBCONFIG config, pBuffer = None; } + XSync(dpy, False); /* Restore original X error handler */ (void) XSetErrorHandler(oldHandler); diff --git a/progs/xdemos/pbutil.h b/progs/xdemos/pbutil.h index e95b2565a2..d420522ff0 100644 --- a/progs/xdemos/pbutil.h +++ b/progs/xdemos/pbutil.h @@ -27,6 +27,9 @@ extern int +QueryFBConfig(Display *dpy, int screen); + +extern int QueryPbuffers(Display *dpy, int screen); |