diff options
Diffstat (limited to 'progs')
-rw-r--r-- | progs/Makefile | 4 | ||||
-rw-r--r-- | progs/demos/Makefile.win | 23 | ||||
-rw-r--r-- | progs/demos/arbfplight.c | 4 | ||||
-rw-r--r-- | progs/demos/arbfslight.c | 2 | ||||
-rw-r--r-- | progs/demos/fogcoord.c | 364 | ||||
-rw-r--r-- | progs/demos/fplight.c | 6 | ||||
-rw-r--r-- | progs/demos/fslight.c | 12 | ||||
-rw-r--r-- | progs/demos/shadowtex.c | 328 | ||||
-rw-r--r-- | progs/demos/spriteblast.c | 22 | ||||
-rw-r--r-- | progs/demos/tessdemo.c | 2 | ||||
-rw-r--r-- | progs/glsl/Makefile | 7 | ||||
-rw-r--r-- | progs/glsl/deriv.c | 319 | ||||
-rw-r--r-- | progs/miniglx/miniglxtest.c | 239 | ||||
-rw-r--r-- | progs/redbook/Imakefile | 221 | ||||
-rw-r--r-- | progs/samples/Imakefile | 101 | ||||
-rw-r--r-- | progs/tests/Makefile | 8 | ||||
-rw-r--r-- | progs/tests/arraytexture.c | 337 | ||||
-rw-r--r-- | progs/tests/drawbuffers.c | 21 | ||||
-rw-r--r-- | progs/tests/random.c | 457 | ||||
-rw-r--r-- | progs/util/extfuncs.h | 2 | ||||
-rw-r--r-- | progs/xdemos/Makefile | 1 | ||||
-rw-r--r-- | progs/xdemos/texture_from_pixmap.c | 396 |
22 files changed, 2205 insertions, 671 deletions
diff --git a/progs/Makefile b/progs/Makefile index d5ec17d43e..5e705efa7e 100644 --- a/progs/Makefile +++ b/progs/Makefile @@ -17,7 +17,7 @@ message: subdirs: @for dir in $(SUBDIRS) ; do \ if [ -d $$dir ] ; then \ - (cd $$dir ; $(MAKE)) || exit 1 ; \ + (cd $$dir && $(MAKE)) || exit 1 ; \ fi \ done @@ -27,6 +27,6 @@ install: clean: @for dir in $(SUBDIRS) tests ; do \ if [ -d $$dir ] ; then \ - (cd $$dir ; $(MAKE) clean) ; \ + (cd $$dir && $(MAKE) clean) ; \ fi \ done diff --git a/progs/demos/Makefile.win b/progs/demos/Makefile.win index 4ac32361b2..0d0b19b9fe 100644 --- a/progs/demos/Makefile.win +++ b/progs/demos/Makefile.win @@ -22,9 +22,11 @@ LIBS = GLUT32.LIB OPENGL32.LIB all: OPENGL32.DLL GLU32.DLL GLUT32.DLL \ readtex.h readtex.c showbuffer.h showbuffer.c \ + extfuncs.h trackball.h trackball.c \ arbfplight.exe arbfslight.exe arbocclude.exe bounce.exe \ - clearspd.exe cubemap.exe drawpix.exe fire.exe fogcoord.exe \ - fplight.exe gamma.exe gearbox.exe \ + clearspd.exe cubemap.exe drawpix.exe engine.exe \ + fire.exe fogcoord.exe \ + fplight.exe fslight.exe gamma.exe gearbox.exe \ gears.exe geartrain.exe gloss.exe \ glinfo.exe glslnoise.exe \ gltestperf.exe glutfx.exe ipers.exe isosurf.exe lodbias.exe \ @@ -42,14 +44,16 @@ bounce.exe: bounce.obj clearspd.exe: clearspd.obj cubemap.exe: cubemap.obj readtex.obj drawpix.exe: drawpix.obj readtex.obj +engine.exe: engine.obj readtex.obj trackball.obj fire.exe: fire.obj readtex.obj fogcoord.exe: fogcoord.obj readtex.obj fplight.exe: fplight.obj +fslight.exe: fslight.obj gamma.exe: gamma.obj gearbox.exe: gearbox.obj gears.exe: gears.obj geartrain.exe: geartrain.obj -gloss.exe: gloss.obj readtex.obj +gloss.exe: gloss.obj readtex.obj trackball.obj glinfo.exe: glinfo.obj glslnoise.exe: glslnoise.obj gltestperf.exe: gltestperf.obj @@ -105,14 +109,23 @@ showbuffer.c: $(TOP)\progs\util\showbuffer.c showbuffer.h: $(TOP)\progs\util\showbuffer.h copy $** . +trackball.c: $(TOP)\progs\util\trackball.c + copy $** . + +trackball.h: $(TOP)\progs\util\trackball.h + copy $** . + +extfuncs.h: $(TOP)\progs\util\extfuncs.h + copy $** . + .obj.exe: $(link) $(ldebug) -out:$@ $** /LIBPATH:$(LIBDIR) $(LIBS) .c.obj: - $(cc) $(cdebug) $(cflags) $(cvars) /I$(INCDIR) $*.c + $(cc) $(cdebug) $(cflags) $(cvars) -D_USE_MATH_DEFINES /I$(INCDIR) $*.c clean:: - del *.obj *.exe readtex.* showbuffer.* + del *.obj *.exe readtex.* showbuffer.* trackball.* clobber:: diff --git a/progs/demos/arbfplight.c b/progs/demos/arbfplight.c index d9c564fbe5..bc2c7e312a 100644 --- a/progs/demos/arbfplight.c +++ b/progs/demos/arbfplight.c @@ -24,6 +24,7 @@ static GLuint VertProg; static GLboolean Anim = GL_TRUE; static GLboolean Wire = GL_FALSE; static GLboolean PixelLight = GL_TRUE; +static GLint Win; static GLint T0 = 0; static GLint Frames = 0; @@ -148,6 +149,7 @@ static void Key( unsigned char key, int x, int y ) case 27: glDeleteProgramsARB_func(1, &VertProg); glDeleteProgramsARB_func(1, &FragProg); + glutDestroyWindow(Win); exit(0); break; } @@ -382,7 +384,7 @@ int main( int argc, char *argv[] ) glutInitWindowPosition( 0, 0 ); glutInitWindowSize( 200, 200 ); glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH ); - glutCreateWindow(argv[0]); + Win = glutCreateWindow(argv[0]); glutReshapeFunc( Reshape ); glutKeyboardFunc( Key ); glutSpecialFunc( SpecialKey ); diff --git a/progs/demos/arbfslight.c b/progs/demos/arbfslight.c index 374de56887..69575f0623 100644 --- a/progs/demos/arbfslight.c +++ b/progs/demos/arbfslight.c @@ -62,7 +62,7 @@ static PFNGLUNIFORM3FVARBPROC glUniform4fvARB = NULL; static void normalize (GLfloat *dst, const GLfloat *src) { - GLfloat len = sqrtf (src[0] * src[0] + src[1] * src[1] + src[2] * src[2]); + GLfloat len = sqrt (src[0] * src[0] + src[1] * src[1] + src[2] * src[2]); dst[0] = src[0] / len; dst[1] = src[1] / len; dst[2] = src[2] / len; diff --git a/progs/demos/fogcoord.c b/progs/demos/fogcoord.c index 19a15f05b8..00c73c6f04 100644 --- a/progs/demos/fogcoord.c +++ b/progs/demos/fogcoord.c @@ -7,151 +7,136 @@ * Daniel Borca */ - +#define GL_GLEXT_PROTOTYPES #include <stdio.h> #include <stdlib.h> #include <math.h> #include <GL/glut.h> -#include "readtex.h" - -#define TEXTURE_FILE "../images/bw.rgb" - -#define ARRAYS 0 /* use glDrawElements */ - -#define VERBOSE 1 /* tell me what happens */ +#define DEPTH 5.0f -#define DEPTH 15.0f +static PFNGLFOGCOORDFEXTPROC glFogCoordf_ext; +static PFNGLFOGCOORDPOINTEREXTPROC glFogCoordPointer_ext; -#if !defined(GLAPIENTRYP) -# define GLAPIENTRYP * -#endif - -typedef void (GLAPIENTRYP GLFOGCOORDFEXTPROC) (GLfloat f); -typedef void (GLAPIENTRYP GLFOGCOORDPOINTEREXTPROC) (GLenum, GLsizei, const GLvoid *); - -static GLFOGCOORDFEXTPROC glFogCoordf_ext; -#if ARRAYS -static GLFOGCOORDPOINTEREXTPROC glFogCoordPointer_ext; -#endif static GLboolean have_fog_coord; static GLfloat camz; -static GLuint texture[1]; static GLint fogMode; static GLboolean fogCoord; static GLfloat fogDensity = 0.75; -static GLfloat fogStart = 1.0, fogEnd = 40.0; +static GLfloat fogStart = 1.0, fogEnd = DEPTH; static GLfloat fogColor[4] = {0.6f, 0.3f, 0.0f, 1.0f}; +static const char *ModeStr = NULL; +static GLboolean Arrays = GL_FALSE; +static GLboolean Texture = GL_TRUE; -static void APIENTRY glFogCoordf_nop (GLfloat f) +static void +Reset(void) { - (void)f; + fogMode = 1; + fogCoord = 1; + fogDensity = 0.75; + fogStart = 1.0; + fogEnd = DEPTH; + Arrays = GL_FALSE; + Texture = GL_TRUE; } -static int BuildTexture (const char *filename, GLuint texid[]) +static void APIENTRY +glFogCoordf_nop (GLfloat f) { - GLubyte *tex_data; - GLenum tex_format; - GLint tex_width, tex_height; + (void)f; +} - tex_data = LoadRGBImage(filename, &tex_width, &tex_height, &tex_format); - if (tex_data == NULL) { - return -1; - } - { - GLint tex_max; - glGetIntegerv(GL_MAX_TEXTURE_SIZE, &tex_max); - if ((tex_width > tex_max) || (tex_height > tex_max)) { - return -1; - } +static void +PrintString(const char *s) +{ + while (*s) { + glutBitmapCharacter(GLUT_BITMAP_8_BY_13, (int) *s); + s++; } +} - glGenTextures(1, texid); - - glBindTexture(GL_TEXTURE_2D, texid[0]); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); - - glTexImage2D(GL_TEXTURE_2D, 0, tex_format, tex_width, tex_height, 0, - tex_format, GL_UNSIGNED_BYTE, tex_data); - return 0; +static void +PrintInfo(void) +{ + char s[100]; + + glDisable(GL_FOG); + glColor3f(0, 1, 1); + + sprintf(s, "Mode(m): %s Start(s/S): %g End(e/E): %g Density(d/D): %g", + ModeStr, fogStart, fogEnd, fogDensity); + glWindowPos2iARB(5, 20); + PrintString(s); + + sprintf(s, "Arrays(a): %s glFogCoord(c): %s EyeZ(z/z): %g", + (Arrays ? "Yes" : "No"), + (fogCoord ? "Yes" : "No"), + camz); + glWindowPos2iARB(5, 5); + PrintString(s); } -static int SetFogMode (GLint fogMode) +static int +SetFogMode(GLint fogMode) { fogMode &= 3; switch (fogMode) { case 0: + ModeStr = "Off"; glDisable(GL_FOG); -#if VERBOSE - printf("fog(disable)\n"); -#endif break; case 1: + ModeStr = "GL_LINEAR"; glEnable(GL_FOG); glFogi(GL_FOG_MODE, GL_LINEAR); glFogf(GL_FOG_START, fogStart); glFogf(GL_FOG_END, fogEnd); -#if VERBOSE - printf("fog(GL_LINEAR, %.2f, %.2f)\n", fogStart, fogEnd); -#endif break; case 2: + ModeStr = "GL_EXP"; glEnable(GL_FOG); glFogi(GL_FOG_MODE, GL_EXP); glFogf(GL_FOG_DENSITY, fogDensity); -#if VERBOSE - printf("fog(GL_EXP, %.2f)\n", fogDensity); -#endif break; case 3: + ModeStr = "GL_EXP2"; glEnable(GL_FOG); glFogi(GL_FOG_MODE, GL_EXP2); glFogf(GL_FOG_DENSITY, fogDensity); -#if VERBOSE - printf("fog(GL_EXP2, %.2f)\n", fogDensity); -#endif break; } return fogMode; } -static GLboolean SetFogCoord (GLboolean fogCoord) +static GLboolean +SetFogCoord(GLboolean fogCoord) { glFogCoordf_ext = glFogCoordf_nop; if (!have_fog_coord) { -#if VERBOSE - printf("fog(GL_FRAGMENT_DEPTH_EXT)%s\n", fogCoord ? " EXT_fog_coord not available!" : ""); -#endif return GL_FALSE; } if (fogCoord) { - glFogCoordf_ext = (GLFOGCOORDFEXTPROC)glutGetProcAddress("glFogCoordfEXT"); + glFogCoordf_ext = (PFNGLFOGCOORDFEXTPROC)glutGetProcAddress("glFogCoordfEXT"); glFogi(GL_FOG_COORDINATE_SOURCE_EXT, GL_FOG_COORDINATE_EXT); -#if VERBOSE - printf("fog(GL_FOG_COORDINATE_EXT)\n"); -#endif - } else { + } + else { glFogi(GL_FOG_COORDINATE_SOURCE_EXT, GL_FRAGMENT_DEPTH_EXT); -#if VERBOSE - printf("fog(GL_FRAGMENT_DEPTH_EXT)\n"); -#endif } return fogCoord; } -#if ARRAYS /* could reuse vertices */ static GLuint vertex_index[] = { /* Back */ @@ -172,19 +157,19 @@ static GLuint vertex_index[] = { static GLfloat vertex_pointer[][3] = { /* Back */ - {-2.5f,-2.5f,-DEPTH}, { 2.5f,-2.5f,-DEPTH}, { 2.5f, 2.5f,-DEPTH}, {-2.5f, 2.5f,-DEPTH}, + {-1.0f,-1.0f,-DEPTH}, { 1.0f,-1.0f,-DEPTH}, { 1.0f, 1.0f,-DEPTH}, {-1.0f, 1.0f,-DEPTH}, /* Floor */ - {-2.5f,-2.5f,-DEPTH}, { 2.5f,-2.5f,-DEPTH}, { 2.5f,-2.5f, DEPTH}, {-2.5f,-2.5f, DEPTH}, + {-1.0f,-1.0f,-DEPTH}, { 1.0f,-1.0f,-DEPTH}, { 1.0f,-1.0f, 0.0}, {-1.0f,-1.0f, 0.0}, /* Roof */ - {-2.5f, 2.5f,-DEPTH}, { 2.5f, 2.5f,-DEPTH}, { 2.5f, 2.5f, DEPTH}, {-2.5f, 2.5f, DEPTH}, + {-1.0f, 1.0f,-DEPTH}, { 1.0f, 1.0f,-DEPTH}, { 1.0f, 1.0f, 0.0}, {-1.0f, 1.0f, 0.0}, /* Right */ - { 2.5f,-2.5f, DEPTH}, { 2.5f, 2.5f, DEPTH}, { 2.5f, 2.5f,-DEPTH}, { 2.5f,-2.5f,-DEPTH}, + { 1.0f,-1.0f, 0.0}, { 1.0f, 1.0f, 0.0}, { 1.0f, 1.0f,-DEPTH}, { 1.0f,-1.0f,-DEPTH}, /* Left */ - {-2.5f,-2.5f, DEPTH}, {-2.5f, 2.5f, DEPTH}, {-2.5f, 2.5f,-DEPTH}, {-2.5f,-2.5f,-DEPTH} + {-1.0f,-1.0f, 0.0}, {-1.0f, 1.0f, 0.0}, {-1.0f, 1.0f,-DEPTH}, {-1.0f,-1.0f,-DEPTH} }; static GLfloat texcoord_pointer[][2] = { @@ -192,118 +177,139 @@ static GLfloat texcoord_pointer[][2] = { {0.0f, 0.0f}, {1.0f, 0.0f}, {1.0f, 1.0f}, {0.0f, 1.0f}, /* Floor */ - {0.0f, 0.0f}, {1.0f, 0.0f}, {1.0f, 1.0f}, {0.0f, 1.0f}, + {0.0f, 0.0f}, {1.0f, 0.0f}, {1.0f, DEPTH}, {0.0f, DEPTH}, /* Roof */ - {0.0f, 0.0f}, {1.0f, 0.0f}, {1.0f, 1.0f}, {0.0f, 1.0f}, + {1.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, DEPTH}, {1.0f, DEPTH}, /* Right */ - {0.0f, 0.0f}, {0.0f, 1.0f}, {1.0f, 1.0f}, {1.0f, 0.0f}, + {0.0f, 1.0f}, {0.0f, 0.0f}, {DEPTH, 0.0f}, {DEPTH, 1.0f}, /* Left */ - {0.0f, 0.0f}, {0.0f, 1.0f}, {1.0f, 1.0f}, {1.0f, 0.0f} + {0.0f, 0.0f}, {0.0f, 1.0f}, {DEPTH, 1.0f}, {DEPTH, 0.0f} }; -static GLfloat fogcoord_pointer[][1] = { +static GLfloat fogcoord_pointer[] = { /* Back */ - {1.0f}, {1.0f}, {1.0f}, {1.0f}, + DEPTH, DEPTH, DEPTH, DEPTH, /* Floor */ - {1.0f}, {1.0f}, {0.0f}, {0.0f}, + DEPTH, DEPTH, 0.0, 0.0, /* Roof */ - {1.0f}, {1.0f}, {0.0f}, {0.0f}, + DEPTH, DEPTH, 0.0, 0.0, /* Right */ - {0.0f}, {0.0f}, {1.0f}, {1.0f}, + 0.0, 0.0, DEPTH, DEPTH, /* Left */ - {0.0f}, {0.0f}, {1.0f}, {1.0f} + 0.0, 0.0, DEPTH, DEPTH }; -#endif -static void Display( void ) +static void +Display( void ) { glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glLoadIdentity (); - glTranslatef(0.0f, 0.0f, camz); + glTranslatef(0.0f, 0.0f, -camz); -#if ARRAYS - glDrawElements(GL_QUADS, sizeof(vertex_index) / sizeof(vertex_index[0]), GL_UNSIGNED_INT, vertex_index); -#else - /* Back */ - glBegin(GL_QUADS); - glFogCoordf_ext(1.0f); glTexCoord2f(0.0f, 0.0f); glVertex3f(-2.5f,-2.5f,-DEPTH); - glFogCoordf_ext(1.0f); glTexCoord2f(1.0f, 0.0f); glVertex3f( 2.5f,-2.5f,-DEPTH); - glFogCoordf_ext(1.0f); glTexCoord2f(1.0f, 1.0f); glVertex3f( 2.5f, 2.5f,-DEPTH); - glFogCoordf_ext(1.0f); glTexCoord2f(0.0f, 1.0f); glVertex3f(-2.5f, 2.5f,-DEPTH); - glEnd(); + SetFogMode(fogMode); - /* Floor */ - glBegin(GL_QUADS); - glFogCoordf_ext(1.0f); glTexCoord2f(0.0f, 0.0f); glVertex3f(-2.5f,-2.5f,-DEPTH); - glFogCoordf_ext(1.0f); glTexCoord2f(1.0f, 0.0f); glVertex3f( 2.5f,-2.5f,-DEPTH); - glFogCoordf_ext(0.0f); glTexCoord2f(1.0f, 1.0f); glVertex3f( 2.5f,-2.5f, DEPTH); - glFogCoordf_ext(0.0f); glTexCoord2f(0.0f, 1.0f); glVertex3f(-2.5f,-2.5f, DEPTH); - glEnd(); + glColor3f(1, 1, 1); - /* Roof */ - glBegin(GL_QUADS); - glFogCoordf_ext(1.0f); glTexCoord2f(0.0f, 0.0f); glVertex3f(-2.5f, 2.5f,-DEPTH); - glFogCoordf_ext(1.0f); glTexCoord2f(1.0f, 0.0f); glVertex3f( 2.5f, 2.5f,-DEPTH); - glFogCoordf_ext(0.0f); glTexCoord2f(1.0f, 1.0f); glVertex3f( 2.5f, 2.5f, DEPTH); - glFogCoordf_ext(0.0f); glTexCoord2f(0.0f, 1.0f); glVertex3f(-2.5f, 2.5f, DEPTH); - glEnd(); + if (Texture) + glEnable(GL_TEXTURE_2D); - /* Right */ - glBegin(GL_QUADS); - glFogCoordf_ext(0.0f); glTexCoord2f(0.0f, 0.0f); glVertex3f( 2.5f,-2.5f, DEPTH); - glFogCoordf_ext(0.0f); glTexCoord2f(0.0f, 1.0f); glVertex3f( 2.5f, 2.5f, DEPTH); - glFogCoordf_ext(1.0f); glTexCoord2f(1.0f, 1.0f); glVertex3f( 2.5f, 2.5f,-DEPTH); - glFogCoordf_ext(1.0f); glTexCoord2f(1.0f, 0.0f); glVertex3f( 2.5f,-2.5f,-DEPTH); - glEnd(); + if (Arrays) { + glEnableClientState(GL_VERTEX_ARRAY); + glEnableClientState(GL_TEXTURE_COORD_ARRAY); + glDrawElements(GL_QUADS, sizeof(vertex_index) / sizeof(vertex_index[0]), + GL_UNSIGNED_INT, vertex_index); + glDisableClientState(GL_VERTEX_ARRAY); + glDisableClientState(GL_TEXTURE_COORD_ARRAY); + } + else { + /* Back */ + glBegin(GL_QUADS); + glFogCoordf_ext(DEPTH); glTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f,-1.0f,-DEPTH); + glFogCoordf_ext(DEPTH); glTexCoord2f(1.0f, 0.0f); glVertex3f( 1.0f,-1.0f,-DEPTH); + glFogCoordf_ext(DEPTH); glTexCoord2f(1.0f, 1.0f); glVertex3f( 1.0f, 1.0f,-DEPTH); + glFogCoordf_ext(DEPTH); glTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f, 1.0f,-DEPTH); + glEnd(); + + /* Floor */ + glBegin(GL_QUADS); + glFogCoordf_ext(DEPTH); glTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f,-1.0f,-DEPTH); + glFogCoordf_ext(DEPTH); glTexCoord2f(1.0f, 0.0f); glVertex3f( 1.0f,-1.0f,-DEPTH); + glFogCoordf_ext(0.0f); glTexCoord2f(1.0f, DEPTH); glVertex3f( 1.0f,-1.0f,0.0); + glFogCoordf_ext(0.0f); glTexCoord2f(0.0f, DEPTH); glVertex3f(-1.0f,-1.0f,0.0); + glEnd(); + + /* Roof */ + glBegin(GL_QUADS); + glFogCoordf_ext(DEPTH); glTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, 1.0f,-DEPTH); + glFogCoordf_ext(DEPTH); glTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, 1.0f,-DEPTH); + glFogCoordf_ext(0.0f); glTexCoord2f(0.0f, DEPTH); glVertex3f( 1.0f, 1.0f,0.0); + glFogCoordf_ext(0.0f); glTexCoord2f(1.0f, DEPTH); glVertex3f(-1.0f, 1.0f,0.0); + glEnd(); + + /* Right */ + glBegin(GL_QUADS); + glFogCoordf_ext(0.0f); glTexCoord2f(0.0f, 1.0f); glVertex3f( 1.0f,-1.0f,0.0); + glFogCoordf_ext(0.0f); glTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, 1.0f,0.0); + glFogCoordf_ext(DEPTH); glTexCoord2f(DEPTH, 0.0f); glVertex3f( 1.0f, 1.0f,-DEPTH); + glFogCoordf_ext(DEPTH); glTexCoord2f(DEPTH, 1.0f); glVertex3f( 1.0f,-1.0f,-DEPTH); + glEnd(); + + /* Left */ + glBegin(GL_QUADS); + glFogCoordf_ext(0.0f); glTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f,-1.0f,0.0); + glFogCoordf_ext(0.0f); glTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f, 1.0f,0.0); + glFogCoordf_ext(DEPTH); glTexCoord2f(DEPTH, 1.0f); glVertex3f(-1.0f, 1.0f,-DEPTH); + glFogCoordf_ext(DEPTH); glTexCoord2f(DEPTH, 0.0f); glVertex3f(-1.0f,-1.0f,-DEPTH); + glEnd(); + } - /* Left */ - glBegin(GL_QUADS); - glFogCoordf_ext(0.0f); glTexCoord2f(0.0f, 0.0f); glVertex3f(-2.5f,-2.5f, DEPTH); - glFogCoordf_ext(0.0f); glTexCoord2f(0.0f, 1.0f); glVertex3f(-2.5f, 2.5f, DEPTH); - glFogCoordf_ext(1.0f); glTexCoord2f(1.0f, 1.0f); glVertex3f(-2.5f, 2.5f,-DEPTH); - glFogCoordf_ext(1.0f); glTexCoord2f(1.0f, 0.0f); glVertex3f(-2.5f,-2.5f,-DEPTH); - glEnd(); -#endif + glDisable(GL_TEXTURE_2D); + + PrintInfo(); glutSwapBuffers(); } -static void Reshape( int width, int height ) +static void +Reshape( int width, int height ) { glViewport(0, 0, width, height); glMatrixMode(GL_PROJECTION); glLoadIdentity(); - gluPerspective(45.0f, (GLfloat)(width)/(GLfloat)(height), 0.1f, 100.0f); + glFrustum(-1, 1, -1, 1, 1.0, 100); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); } -static void Key( unsigned char key, int x, int y ) +static void +Key( unsigned char key, int x, int y ) { (void) x; (void) y; switch (key) { + case 'a': + Arrays = !Arrays; + break; case 'f': + case 'm': fogMode = SetFogMode(fogMode + 1); break; - case '+': - if (fogDensity < 1.0) { - fogDensity += 0.05; - } + case 'D': + fogDensity += 0.05; SetFogMode(fogMode); break; - case '-': + case 'd': if (fogDensity > 0.0) { fogDensity -= 0.05; } @@ -311,31 +317,43 @@ static void Key( unsigned char key, int x, int y ) break; case 's': if (fogStart > 0.0) { - fogStart -= 1.0; + fogStart -= 0.25; } SetFogMode(fogMode); break; case 'S': - if (fogStart < fogEnd) { - fogStart += 1.0; + if (fogStart < 100.0) { + fogStart += 0.25; } SetFogMode(fogMode); break; case 'e': - if (fogEnd > fogStart) { - fogEnd -= 1.0; + if (fogEnd > 0.0) { + fogEnd -= 0.25; } SetFogMode(fogMode); break; case 'E': if (fogEnd < 100.0) { - fogEnd += 1.0; + fogEnd += 0.25; } SetFogMode(fogMode); break; case 'c': fogCoord = SetFogCoord(fogCoord ^ GL_TRUE); break; + case 't': + Texture = !Texture; + break; + case 'z': + camz -= 0.1; + break; + case 'Z': + camz += 0.1; + break; + case 'r': + Reset(); + break; case 27: exit(0); break; @@ -344,37 +362,28 @@ static void Key( unsigned char key, int x, int y ) } -static void SpecialKey( int key, int x, int y ) +static void +Init(void) { - (void) x; - (void) y; - switch (key) { - case GLUT_KEY_UP: - if (camz < (DEPTH - 1.0)) { - camz += 1.0f; - } - break; - case GLUT_KEY_DOWN: - if (camz > -19.0) { - camz -= 1.0f; - } - break; - } - glutPostRedisplay(); -} + static const GLubyte teximage[2][2][4] = { + { { 255, 255, 255, 255}, { 128, 128, 128, 255} }, + { { 128, 128, 128, 255}, { 255, 255, 255, 255} } + }; + printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER)); -static void Init( void ) -{ have_fog_coord = glutExtensionSupported("GL_EXT_fog_coord"); - - if (BuildTexture(TEXTURE_FILE, texture) == -1) { - exit(1); + if (!have_fog_coord) { + printf("GL_EXT_fog_coord not supported!\n"); } - glEnable(GL_TEXTURE_2D); - glClearColor(0.0f, 0.0f, 0.0f, 0.5f); - glClearDepth(1.0f); + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 2, 2, 0, + GL_RGBA, GL_UNSIGNED_BYTE, teximage); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + + glClearColor(0.1f, 0.1f, 0.1f, 0.0f); + glDepthFunc(GL_LEQUAL); glEnable(GL_DEPTH_TEST); glShadeModel(GL_SMOOTH); @@ -383,11 +392,8 @@ static void Init( void ) glFogfv(GL_FOG_COLOR, fogColor); glHint(GL_FOG_HINT, GL_NICEST); fogCoord = SetFogCoord(GL_TRUE); /* try to enable fog_coord */ - fogMode = SetFogMode(2); /* GL_EXP */ - - camz = -19.0f; + fogMode = SetFogMode(1); -#if ARRAYS glEnableClientState(GL_VERTEX_ARRAY); glVertexPointer(3, GL_FLOAT, 0, vertex_pointer); @@ -395,24 +401,24 @@ static void Init( void ) glTexCoordPointer(2, GL_FLOAT, 0, texcoord_pointer); if (have_fog_coord) { - glFogCoordPointer_ext = (GLFOGCOORDPOINTEREXTPROC)glutGetProcAddress("glFogCoordPointerEXT"); + glFogCoordPointer_ext = (PFNGLFOGCOORDPOINTEREXTPROC)glutGetProcAddress("glFogCoordPointerEXT"); glEnableClientState(GL_FOG_COORDINATE_ARRAY_EXT); glFogCoordPointer_ext(GL_FLOAT, 0, fogcoord_pointer); } -#endif + + Reset(); } -int main( int argc, char *argv[] ) +int +main( int argc, char *argv[] ) { glutInit( &argc, argv ); - glutInitWindowPosition( 0, 0 ); - glutInitWindowSize( 640, 480 ); + glutInitWindowSize( 600, 600 ); glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH ); glutCreateWindow(argv[0]); glutReshapeFunc( Reshape ); glutKeyboardFunc( Key ); - glutSpecialFunc( SpecialKey ); glutDisplayFunc( Display ); Init(); glutMainLoop(); diff --git a/progs/demos/fplight.c b/progs/demos/fplight.c index c7a38248d3..fb510cccc8 100644 --- a/progs/demos/fplight.c +++ b/progs/demos/fplight.c @@ -24,7 +24,7 @@ static GLuint VertProg; static GLboolean Anim = GL_TRUE; static GLboolean Wire = GL_FALSE; static GLboolean PixelLight = GL_TRUE; - +static GLint Win; static GLfloat Xrot = 0, Yrot = 0; @@ -136,8 +136,8 @@ static void Key( unsigned char key, int x, int y ) } break; case 27: + glutDestroyWindow(Win); exit(0); - break; } glutPostRedisplay(); } @@ -272,7 +272,7 @@ int main( int argc, char *argv[] ) glutInitWindowPosition( 0, 0 ); glutInitWindowSize( 200, 200 ); glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH ); - glutCreateWindow(argv[0]); + Win = glutCreateWindow(argv[0]); glutReshapeFunc( Reshape ); glutKeyboardFunc( Key ); glutSpecialFunc( SpecialKey ); diff --git a/progs/demos/fslight.c b/progs/demos/fslight.c index 736cc48ac6..e6d83bf8fb 100644 --- a/progs/demos/fslight.c +++ b/progs/demos/fslight.c @@ -45,7 +45,7 @@ static GLint uTexture; static GLuint SphereList, RectList, CurList; static GLint win = 0; -static GLboolean anim = GL_FALSE; +static GLboolean anim = GL_TRUE; static GLboolean wire = GL_FALSE; static GLboolean pixelLight = GL_TRUE; @@ -58,7 +58,7 @@ static GLfloat xRot = 90.0f, yRot = 0.0f; static void normalize(GLfloat *dst, const GLfloat *src) { - GLfloat len = sqrtf(src[0] * src[0] + src[1] * src[1] + src[2] * src[2]); + GLfloat len = sqrt(src[0] * src[0] + src[1] * src[1] + src[2] * src[2]); dst[0] = src[0] / len; dst[1] = src[1] / len; dst[2] = src[2] / len; @@ -477,8 +477,8 @@ Init(void) version = (const char *) glGetString(GL_VERSION); if (version[0] != '2' || version[1] != '.') { - printf("Warning: this program expects OpenGL 2.0\n"); - /*exit(1);*/ + printf("This program requires OpenGL 2.x, found %s\n", version); + exit(1); } GetExtensionFuncs(); @@ -579,6 +579,8 @@ Init(void) #if 0 TestFunctions(); +#else + (void) TestFunctions; #endif } @@ -603,7 +605,7 @@ main(int argc, char *argv[]) { glutInit(&argc, argv); glutInitWindowPosition( 0, 0); - glutInitWindowSize(100, 100); + glutInitWindowSize(200, 200); glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH); win = glutCreateWindow(argv[0]); glutReshapeFunc(Reshape); diff --git a/progs/demos/shadowtex.c b/progs/demos/shadowtex.c index b32fb45b4f..59253e8c1e 100644 --- a/progs/demos/shadowtex.c +++ b/progs/demos/shadowtex.c @@ -9,6 +9,7 @@ * Added GL_EXT_packed_depth_stencil support on 15 March 2006. * Added GL_EXT_framebuffer_object support on 27 March 2006. * Removed old SGIX extension support on 5 April 2006. + * Added vertex / fragment program support on 7 June 2007 (Ian Romanick). * * Copyright (C) 1999-2006 Brian Paul All Rights Reserved. * @@ -34,6 +35,7 @@ #include <assert.h> #include <stdio.h> #include <stdlib.h> +#include <string.h> #include <math.h> #include <GL/glut.h> #include "showbuffer.h" @@ -67,8 +69,27 @@ static GLboolean NeedNewShadowMap = GL_FALSE; static GLuint ShadowTexture, GrayTexture; static GLuint ShadowFBO; +static GLfloat lightModelview[16]; +static GLfloat lightProjection[16]; + +static GLuint vert_prog; +static GLuint frag_progs[3]; +static GLuint curr_frag = 0; +static GLuint max_frag = 1; + +#define NUM_FRAG_MODES 3 +static const char *FragProgNames[] = { + "fixed-function", + "program without \"OPTION ARB_fragment_program_shadow\"", + "program with \"OPTION ARB_fragment_program_shadow\"", +}; + static GLboolean HaveFBO = GL_FALSE; static GLboolean UseFBO = GL_FALSE; +static GLboolean HaveVP = GL_FALSE; +static GLboolean HaveFP = GL_FALSE; +static GLboolean HaveFP_Shadow = GL_FALSE; +static GLboolean UseVP = GL_FALSE; static GLboolean HavePackedDepthStencil = GL_FALSE; static GLboolean UsePackedDepthStencil = GL_FALSE; static GLboolean HaveEXTshadowFuncs = GL_FALSE; @@ -91,6 +112,103 @@ static GLuint DisplayMode; +#define MAT4_MUL(dest_vec, src_mat, src_vec) \ + "DP4 " dest_vec ".x, " src_mat "[0], " src_vec ";\n" \ + "DP4 " dest_vec ".y, " src_mat "[1], " src_vec ";\n" \ + "DP4 " dest_vec ".z, " src_mat "[2], " src_vec ";\n" \ + "DP4 " dest_vec ".w, " src_mat "[3], " src_vec ";\n" + +#define MAT3_MUL(dest_vec, src_mat, src_vec) \ + "DP3 " dest_vec ".x, " src_mat "[0], " src_vec ";\n" \ + "DP3 " dest_vec ".y, " src_mat "[1], " src_vec ";\n" \ + "DP3 " dest_vec ".z, " src_mat "[2], " src_vec ";\n" + +#define NORMALIZE(dest, src) \ + "DP3 " dest ".w, " src ", " src ";\n" \ + "RSQ " dest ".w, " dest ".w;\n" \ + "MUL " dest ", " src ", " dest ".w;\n" + +/** + * Vertex program for shadow mapping. + */ +static const char vert_code[] = + "!!ARBvp1.0\n" + "ATTRIB iPos = vertex.position;\n" + "ATTRIB iNorm = vertex.normal;\n" + + "PARAM mvinv[4] = { state.matrix.modelview.invtrans };\n" + "PARAM mvp[4] = { state.matrix.mvp };\n" + "PARAM mv[4] = { state.matrix.modelview };\n" + "PARAM texmat[4] = { state.matrix.texture[0] };\n" + "PARAM lightPos = state.light[0].position;\n" + "PARAM ambientCol = state.lightprod[0].ambient;\n" + "PARAM diffuseCol = state.lightprod[0].diffuse;\n" + + "TEMP n, lightVec;\n" + "ALIAS V = lightVec;\n" + "ALIAS NdotL = n;\n" + + "OUTPUT oPos = result.position;\n" + "OUTPUT oColor = result.color;\n" + "OUTPUT oTex = result.texcoord[0];\n" + + /* Transform the vertex to clip coordinates. */ + MAT4_MUL("oPos", "mvp", "iPos") + + /* Transform the vertex to eye coordinates. */ + MAT4_MUL("V", "mv", "iPos") + + /* Transform the vertex to projected light coordinates. */ + MAT4_MUL("oTex", "texmat", "iPos") + + /* Transform the normal to eye coordinates. */ + MAT3_MUL("n", "mvinv", "iNorm") + + /* Calculate the vector from the vertex to the light in eye + * coordinates. + */ + "SUB lightVec, lightPos, V;\n" + NORMALIZE("lightVec", "lightVec") + + /* Compute diffuse lighting coefficient. + */ + "DP3 NdotL.x, n, lightVec;\n" + "MAX NdotL.x, NdotL.x, {0.0};\n" + "MIN NdotL.x, NdotL.x, {1.0};\n" + + /* Accumulate color contributions. + */ + "MOV oColor, diffuseCol;\n" + "MAD oColor.xyz, NdotL.x, diffuseCol, ambientCol;\n" + "END\n" + ; + +static const char frag_code[] = + "!!ARBfp1.0\n" + + "TEMP shadow, temp;\n" + + "TXP shadow, fragment.texcoord[0], texture[0], 2D;\n" + "RCP temp.x, fragment.texcoord[0].w;\n" + "MUL temp.x, temp.x, fragment.texcoord[0].z;\n" + "SGE shadow, shadow.x, temp.x;\n" + "MUL result.color.rgb, fragment.color, shadow.x;\n" + "MOV result.color.a, fragment.color;\n" + "END\n" + ; + +static const char frag_shadow_code[] = + "!!ARBfp1.0\n" + "OPTION ARB_fragment_program_shadow;\n" + + "TEMP shadow;\n" + + "TXP shadow, fragment.texcoord[0], texture[0], SHADOW2D;\n" + "MUL result.color.rgb, fragment.color, shadow.x;\n" + "MOV result.color.a, fragment.color.a;\n" + "END\n" + ; + static void DrawScene(void) { @@ -134,27 +252,56 @@ DrawScene(void) } -/* - * Load the GL_TEXTURE matrix with the projection from the light - * source's point of view. +/** + * Calculate modelview and project matrices for the light + * + * Stores the results in \c lightProjection (projection matrix) and + * \c lightModelview (modelview matrix). */ static void MakeShadowMatrix(const GLfloat lightPos[4], const GLfloat spotDir[3], GLfloat spotAngle, GLfloat shadowNear, GLfloat shadowFar) { - GLfloat d; - - glMatrixMode(GL_TEXTURE); + /* compute frustum to enclose spot light cone */ + const GLfloat d = shadowNear * tan(spotAngle); + + glMatrixMode(GL_PROJECTION); + glPushMatrix(); glLoadIdentity(); - glTranslatef(0.5, 0.5, 0.5 + Bias); - glScalef(0.5, 0.5, 0.5); - d = shadowNear * tan(spotAngle); glFrustum(-d, d, -d, d, shadowNear, shadowFar); + glGetFloatv(GL_PROJECTION_MATRIX, lightProjection); + glPopMatrix(); + + glMatrixMode(GL_MODELVIEW); + glPushMatrix(); + glLoadIdentity(); gluLookAt(lightPos[0], lightPos[1], lightPos[2], lightPos[0] + spotDir[0], lightPos[1] + spotDir[1], lightPos[2] + spotDir[2], - 0, 1, 0); + 0.0, 1.0, 0.0); + glGetFloatv(GL_MODELVIEW_MATRIX, lightModelview); + glPopMatrix(); +} + + +/** + * Load \c GL_TEXTURE matrix with light's MVP matrix. + */ +static void SetShadowTextureMatrix(void) +{ + static const GLfloat biasMatrix[16] = { + 0.5, 0.0, 0.0, 0.0, + 0.0, 0.5, 0.0, 0.0, + 0.0, 0.0, 0.5, 0.0, + 0.5, 0.5, 0.5, 1.0, + }; + + glMatrixMode(GL_TEXTURE); + glLoadMatrixf(biasMatrix); + glTranslatef(0.0, 0.0, Bias); + glMultMatrixf(lightProjection); + glMultMatrixf(lightModelview); glMatrixMode(GL_MODELVIEW); } @@ -258,7 +405,6 @@ RenderShadowMap(void) { GLenum depthFormat; /* GL_DEPTH_COMPONENT or GL_DEPTH_STENCIL_EXT */ GLenum depthType; /* GL_UNSIGNED_INT_24_8_EXT or GL_UNSIGNED_INT */ - float d; if (WindowWidth >= 1024 && WindowHeight >= 1024) { ShadowTexWidth = ShadowTexHeight = 1024; @@ -283,27 +429,34 @@ RenderShadowMap(void) depthType = GL_UNSIGNED_INT; } - /* compute frustum to enclose spot light cone */ - d = ShadowNear * tan(SpotAngle); - glMatrixMode(GL_PROJECTION); - glLoadIdentity(); - glFrustum(-d, d, -d, d, ShadowNear, ShadowFar); + glLoadMatrixf(lightProjection); + glMatrixMode(GL_MODELVIEW); - glLoadIdentity(); - gluLookAt(LightPos[0], LightPos[1], LightPos[2], /* from */ - 0, 0, 0, /* target */ - 0, 1, 0); /* up */ + glLoadMatrixf(lightModelview); if (UseFBO) { + GLenum fbo_status; + glTexImage2D(GL_TEXTURE_2D, 0, depthFormat, ShadowTexWidth, ShadowTexHeight, 0, depthFormat, depthType, NULL); + + /* Set the filter mode so that the texture is texture-complete. + * Otherwise it will cause the framebuffer to fail the framebuffer + * completeness test. + */ + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, ShadowFBO); glDrawBuffer(GL_NONE); glReadBuffer(GL_NONE); - assert(glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT) - == GL_FRAMEBUFFER_COMPLETE_EXT); + + fbo_status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT); + if (fbo_status != GL_FRAMEBUFFER_COMPLETE_EXT) { + fprintf(stderr, "FBO not complete! status = 0x%04x\n", fbo_status); + assert(fbo_status == GL_FRAMEBUFFER_COMPLETE_EXT); + } } assert(!glIsEnabled(GL_TEXTURE_1D)); @@ -376,10 +529,8 @@ ShowShadowMap(void) DisableTexgen(); /* interpret texture's depth values as luminance values */ -#if defined(GL_ARB_shadow) glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE_ARB, GL_NONE); glTexParameteri(GL_TEXTURE_2D, GL_DEPTH_TEXTURE_MODE_ARB, GL_LUMINANCE); -#endif glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); glBegin(GL_POLYGON); @@ -407,6 +558,7 @@ Display(void) LightPos, SpotDir); if (NeedNewShadowMap) { + MakeShadowMatrix(LightPos, SpotDir, SpotAngle, ShadowNear, ShadowFar); RenderShadowMap(); NeedNewShadowMap = GL_FALSE; } @@ -444,12 +596,11 @@ Display(void) } if (DisplayMode == SHOW_DEPTH_MAPPING) { -#if defined(GL_ARB_shadow) glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE_ARB, GL_NONE); -#endif glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); glEnable(GL_TEXTURE_2D); - MakeShadowMatrix(LightPos, SpotDir, SpotAngle, ShadowNear, ShadowFar); + + SetShadowTextureMatrix(); EnableIdentityTexgen(); } else if (DisplayMode == SHOW_DISTANCE) { @@ -463,20 +614,42 @@ Display(void) } else { assert(DisplayMode == SHOW_SHADOWS); -#if defined(GL_ARB_shadow) glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE_ARB, GL_COMPARE_R_TO_TEXTURE_ARB); -#endif - glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); + + if (curr_frag > 0) { + glEnable(GL_FRAGMENT_PROGRAM_ARB); + } + else { + glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); + } glEnable(GL_TEXTURE_2D); - MakeShadowMatrix(LightPos, SpotDir, SpotAngle, ShadowNear, ShadowFar); - EnableIdentityTexgen(); + + SetShadowTextureMatrix(); + + if (UseVP) { + glEnable(GL_VERTEX_PROGRAM_ARB); + } + else { + glEnable(GL_LIGHTING); + EnableIdentityTexgen(); + } } DrawScene(); - DisableTexgen(); - glDisable(GL_TEXTURE_1D); + if (UseVP) { + glDisable(GL_VERTEX_PROGRAM_ARB); + } + else { + DisableTexgen(); + glDisable(GL_LIGHTING); + } + + if (curr_frag > 0) { + glDisable(GL_FRAGMENT_PROGRAM_ARB); + } + glDisable(GL_TEXTURE_2D); } @@ -548,6 +721,14 @@ Key(unsigned char key, int x, int y) case 'm': DisplayMode = SHOW_DEPTH_MAPPING; break; + case 'M': + curr_frag = (1 + curr_frag) % max_frag; + printf("Using fragment %s\n", FragProgNames[curr_frag]); + + if (HaveFP) { + glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, frag_progs[curr_frag]); + } + break; case 'n': case 's': case ' ': @@ -559,10 +740,8 @@ Key(unsigned char key, int x, int y) if (Operator >= 8) Operator = 0; printf("Operator: %s\n", OperatorName[Operator]); -#if defined(GL_ARB_shadow) glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC_ARB, OperatorFunc[Operator]); -#endif } break; case 'p': @@ -579,6 +758,11 @@ Key(unsigned char key, int x, int y) NeedNewShadowMap = GL_TRUE; } break; + case 'v': + UseVP = !UseVP && HaveVP; + printf("Using vertex %s mode.\n", + UseVP ? "program" : "fixed-function"); + break; case 'z': Zrot -= step; break; @@ -633,28 +817,62 @@ SpecialKey(int key, int x, int y) } +/* A helper for finding errors in program strings */ +static int FindLine( const char *program, int position ) +{ + int i, line = 1; + for (i = 0; i < position; i++) { + if (program[i] == '\n') + line++; + } + return line; +} + + +static GLuint +compile_program(GLenum target, const char *code) +{ + GLuint p; + GLint errorPos; + + + glGenProgramsARB(1, & p); + + glBindProgramARB(target, p); + glProgramStringARB(target, GL_PROGRAM_FORMAT_ASCII_ARB, + strlen(code), code); + glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorPos); + if (glGetError() != GL_NO_ERROR || errorPos != -1) { + int l = FindLine(code, errorPos); + printf("Fragment Program Error (pos=%d line=%d): %s\n", errorPos, l, + (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB)); + exit(0); + } + + glBindProgramARB(target, 0); + return p; +} + static void Init(void) { static const GLfloat borderColor[4] = {1.0, 0.0, 0.0, 0.0}; -#if defined(GL_ARB_depth_texture) && defined(GL_ARB_shadow) if (!glutExtensionSupported("GL_ARB_depth_texture") || !glutExtensionSupported("GL_ARB_shadow")) { -#else - if (1) { -#endif printf("Sorry, this demo requires the GL_ARB_depth_texture and GL_ARB_shadow extensions\n"); exit(1); } printf("Using GL_ARB_depth_texture and GL_ARB_shadow\n"); -#if defined(GL_ARB_shadow_ambient) + HaveVP = glutExtensionSupported("GL_ARB_vertex_program"); + HaveFP = glutExtensionSupported("GL_ARB_fragment_program"); + HaveFP_Shadow = glutExtensionSupported("GL_ARB_fragment_program_shadow"); + HaveShadowAmbient = glutExtensionSupported("GL_ARB_shadow_ambient"); if (HaveShadowAmbient) { printf("and GL_ARB_shadow_ambient\n"); } -#endif HaveEXTshadowFuncs = glutExtensionSupported("GL_EXT_shadow_funcs"); @@ -677,15 +895,12 @@ 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); -#if defined(GL_ARB_shadow) 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); -#endif + if (HaveShadowAmbient) { -#if defined(GL_ARB_shadow_ambient) glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FAIL_VALUE_ARB, 0.3); -#endif } #if defined(GL_EXT_framebuffer_object) @@ -720,6 +935,25 @@ Init(void) 256, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, image); } + if (HaveVP) { + vert_prog = compile_program(GL_VERTEX_PROGRAM_ARB, vert_code); + glBindProgramARB(GL_VERTEX_PROGRAM_ARB, vert_prog); + } + + max_frag = 1; + frag_progs[0] = 0; + + if (HaveFP) { + frag_progs[1] = compile_program(GL_FRAGMENT_PROGRAM_ARB, frag_code); + max_frag = 2; + } + + if (HaveFP && HaveFP_Shadow) { + frag_progs[2] = compile_program(GL_FRAGMENT_PROGRAM_ARB, + frag_shadow_code); + max_frag = 3; + } + glEnable(GL_DEPTH_TEST); glEnable(GL_LIGHTING); glEnable(GL_LIGHT0); @@ -738,6 +972,8 @@ PrintHelp(void) printf(" f = toggle nearest/bilinear texture filtering\n"); printf(" b/B = decrease/increase shadow map Z bias\n"); printf(" p = toggle use of packed depth/stencil\n"); + printf(" M = cycle through fragment program modes\n"); + printf(" v = toggle vertex program modes\n"); printf(" cursor keys = rotate scene\n"); printf(" <shift> + cursor keys = rotate light source\n"); if (HaveEXTshadowFuncs) diff --git a/progs/demos/spriteblast.c b/progs/demos/spriteblast.c index f0d3d0dfd4..5ad8e4d9a9 100644 --- a/progs/demos/spriteblast.c +++ b/progs/demos/spriteblast.c @@ -333,13 +333,13 @@ menu(int option) smooth = 0; break; case 10: - glPointSize(4.0); + glPointSize(16.0); break; case 11: - glPointSize(8.0); + glPointSize(32.0); break; case 12: - glPointSize(16.0); + glPointSize(64.0); break; case 13: spin = 1 - spin; @@ -411,19 +411,19 @@ key(unsigned char c, int x, int y) glutPostRedisplay(); break; case '1': - glPointSize(2.0); + glPointSize(16.0); glutPostRedisplay(); break; case '2': - glPointSize(4.0); + glPointSize(32.0); glutPostRedisplay(); break; case '3': - glPointSize(8.0); + glPointSize(64.0); glutPostRedisplay(); break; case '4': - glPointSize(16.0); + glPointSize(128.0); glutPostRedisplay(); break; case 27: @@ -526,9 +526,9 @@ main(int argc, char **argv) glutAddMenuEntry("Threshold 10", 7); glutAddMenuEntry("Point smooth on", 8); glutAddMenuEntry("Point smooth off", 9); - glutAddMenuEntry("Point size 4", 10); - glutAddMenuEntry("Point size 8", 11); - glutAddMenuEntry("Point size 16", 12); + glutAddMenuEntry("Point size 16", 10); + glutAddMenuEntry("Point size 32", 11); + glutAddMenuEntry("Point size 64", 12); glutAddMenuEntry("Toggle spin", 13); glutAddMenuEntry("200 points ", 14); glutAddMenuEntry("500 points ", 15); @@ -544,7 +544,7 @@ main(int argc, char **argv) glEnable(GL_DEPTH_TEST); glEnable(GL_POINT_SMOOTH); glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - glPointSize(16.0); + glPointSize(32.0); #ifdef GL_ARB_point_parameters glPointParameterfvARB(GL_POINT_DISTANCE_ATTENUATION_ARB, theQuad); #endif diff --git a/progs/demos/tessdemo.c b/progs/demos/tessdemo.c index 26403eee0a..f71cea1274 100644 --- a/progs/demos/tessdemo.c +++ b/progs/demos/tessdemo.c @@ -4,10 +4,10 @@ * Updated for GLU 1.3 tessellation by Gareth Hughes <gareth@valinux.com> */ -#include <GL/glut.h> #include <stdio.h> #include <stdlib.h> #include <string.h> +#include <GL/glut.h> #define MAX_POINTS 256 #define MAX_CONTOURS 32 diff --git a/progs/glsl/Makefile b/progs/glsl/Makefile index e08d4102c8..37fa312c30 100644 --- a/progs/glsl/Makefile +++ b/progs/glsl/Makefile @@ -5,17 +5,12 @@ include $(TOP)/configs/current INCDIR = $(TOP)/include -OSMESA_LIBS = -L$(TOP)/$(LIB_DIR) -lglut -lOSMesa -lGLU -lGL $(APP_LIB_DEPS) - -OSMESA16_LIBS = -L$(TOP)/$(LIB_DIR) -lglut -lOSMesa16 -lGLU -lGL $(APP_LIB_DEPS) - -OSMESA32_LIBS = -L$(TOP)/$(LIB_DIR) -lglut -lOSMesa32 -lGLU -lGL $(APP_LIB_DEPS) - LIB_DEP = $(TOP)/$(LIB_DIR)/$(GL_LIB_NAME) $(TOP)/$(LIB_DIR)/$(GLU_LIB_NAME) $(TOP)/$(LIB_DIR)/$(GLUT_LIB_NAME) PROGS = \ brick \ bump \ + deriv \ mandelbrot \ noise \ toyball \ diff --git a/progs/glsl/deriv.c b/progs/glsl/deriv.c new file mode 100644 index 0000000000..8b652bc1e4 --- /dev/null +++ b/progs/glsl/deriv.c @@ -0,0 +1,319 @@ +/** + * Test OpenGL 2.0 dx/dy functions for texcoords. + * Brian Paul + * 2 May 2007 + * + * NOTE: resize the window to observe how the partial derivatives of + * the texcoords change. + */ + + +#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 char *FragProgFile = NULL; +static char *VertProgFile = NULL; +static GLuint fragShader; +static GLuint vertShader; +static GLuint program; +static GLuint SphereList, RectList, CurList; +static GLint win = 0; +static GLboolean anim = GL_TRUE; +static GLfloat xRot = 0.0f, yRot = 0.0f; + + +static void +Redisplay(void) +{ + 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); + glCallList(CurList); + glPopMatrix(); + + glutSwapBuffers(); +} + + +static void +Idle(void) +{ + yRot = glutGet(GLUT_ELAPSED_TIME) * 0.1; + glutPostRedisplay(); +} + + +static void +Reshape(int width, int 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, -15.0f); +} + + +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 'o': + if (CurList == SphereList) + CurList = RectList; + else + CurList = SphereList; + break; + case 27: + CleanUp(); + exit(0); + break; + } + glutPostRedisplay(); +} + + +static void +SpecialKey(int key, int x, int y) +{ + const GLfloat step = 3.0f; + + (void) x; + (void) y; + + 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; + } + glutPostRedisplay(); +} + + +static void +MakeSphere(void) +{ + GLUquadricObj *obj = gluNewQuadric(); + SphereList = glGenLists(1); + gluQuadricTexture(obj, GL_TRUE); + glNewList(SphereList, GL_COMPILE); + gluSphere(obj, 2.0f, 30, 15); + glEndList(); +} + + +static void +MakeRect(void) +{ + RectList = glGenLists(1); + glNewList(RectList, GL_COMPILE); + glBegin(GL_POLYGON); + glTexCoord2f(0, 0); glVertex2f(-2, -2); + glTexCoord2f(1, 0); glVertex2f( 2, -2); + glTexCoord2f(1, 1); glVertex2f( 2, 2); + glTexCoord2f(0, 1); glVertex2f(-2, 2); + glEnd(); + glEndList(); +} + + + +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 = + "void main() {\n" + " gl_FragColor = abs(dFdy(gl_TexCoord[0])) * 50.0;\n" + " // gl_FragColor = gl_TexCoord[0];\n" + "}\n"; + static const char *vertShaderText = + "void main() {\n" + " gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;\n" + " gl_TexCoord[0] = gl_MultiTexCoord0;\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); + + /*assert(glGetError() == 0);*/ + + glClearColor(0.3f, 0.3f, 0.3f, 0.0f); + glEnable(GL_DEPTH_TEST); + + MakeSphere(); + MakeRect(); + + CurList = SphereList; + + 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(200, 200); + glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH); + win = glutCreateWindow(argv[0]); + glutReshapeFunc(Reshape); + glutKeyboardFunc(Key); + glutSpecialFunc(SpecialKey); + glutDisplayFunc(Redisplay); + if (anim) + glutIdleFunc(Idle); + ParseOptions(argc, argv); + Init(); + glutMainLoop(); + return 0; +} diff --git a/progs/miniglx/miniglxtest.c b/progs/miniglx/miniglxtest.c index ecc5786b73..85c25be4ed 100644 --- a/progs/miniglx/miniglxtest.c +++ b/progs/miniglx/miniglxtest.c @@ -1,5 +1,3 @@ -/* $Id: miniglxtest.c,v 1.3 2004/03/25 14:58:39 brianp Exp $ */ - /* * Test the mini GLX interface. */ @@ -7,6 +5,7 @@ #include <stdio.h> #include <stdlib.h> +#include <string.h> #include <unistd.h> #include <GL/gl.h> #define USE_MINI_GLX 1 @@ -16,90 +15,86 @@ #include <GL/glx.h> #endif -#define FRONTBUFFER 1 -#define NR 6 -#define DO_SLEEPS 1 -#define NR_DISPLAYS 2 +static GLXContext ctx; -GLXContext ctx; +static GLuint NumFrames = 100; +static GLuint NumDisplays = 1; +static GLboolean Texture = GL_FALSE; +static GLboolean SingleBuffer = GL_FALSE; +static GLboolean Sleeps = GL_TRUE; -static void _subset_Rectf( GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2 ) +static void +rect(GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2) { - glBegin( GL_QUADS ); - glVertex2f( x1, y1 ); - glVertex2f( x2, y1 ); - glVertex2f( x2, y2 ); - glVertex2f( x1, y2 ); + glBegin(GL_QUADS); + glTexCoord2f(0, 0); glColor3f(0, 0, 1); glVertex2f(x1, y1); + glTexCoord2f(1, 0); glColor3f(1, 0, 0); glVertex2f(x2, y1); + glTexCoord2f(1, 1); glColor3f(0, 1, 0); glVertex2f(x2, y2); + glTexCoord2f(0, 1); glColor3f(0, 0, 0); glVertex2f(x1, y2); glEnd(); } - -static void redraw( Display *dpy, Window w, int rot ) +static void +redraw(Display *dpy, Window w, int rot) { - printf("Redraw event\n"); - -#if FRONTBUFFER - glDrawBuffer( GL_FRONT ); -#else -/* glDrawBuffer( GL_BACK ); */ -#endif + GLfloat a; - glClearColor( rand()/(float)RAND_MAX, - rand()/(float)RAND_MAX, - rand()/(float)RAND_MAX, - 1); + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); - glClear( GL_COLOR_BUFFER_BIT ); - -#if 1 - glColor3f( rand()/(float)RAND_MAX, - rand()/(float)RAND_MAX, - rand()/(float)RAND_MAX ); glPushMatrix(); - glRotatef(rot, 0, 0, 1); - glScalef(.5, .5, .5); - _subset_Rectf( -1, -1, 1, 1 ); + glRotatef(rot, 0, 0, 1); + glScalef(.5, .5, .5); + for (a = 0.0; a < 360.0; a += 30.0) { + glPushMatrix(); + glRotatef(a, 0, 0, 1); + glRotatef(40, 1, 0, 0); + glColor3f(a / 360.0, 1-a/360.0, 0); + rect(0.3, -0.25, 1.5, 0.25); + glPopMatrix(); + } glPopMatrix(); -#endif -#if FRONTBUFFER - glFlush(); -#else - glXSwapBuffers( dpy, w ); -#endif - glFinish(); + if (SingleBuffer) + glFlush(); + else + glXSwapBuffers(dpy, w); } -static Window make_rgb_db_window( Display *dpy, - unsigned int width, unsigned int height ) +static Window +make_window(Display *dpy, unsigned int width, unsigned int height) { - int attrib[] = { GLX_RGBA, - GLX_RED_SIZE, 1, - GLX_GREEN_SIZE, 1, - GLX_BLUE_SIZE, 1, -#if !FRONTBUFFER - GLX_DOUBLEBUFFER, -#endif - None }; - int scrnum; + int attrib_single[] = { GLX_RGBA, + GLX_RED_SIZE, 1, + GLX_GREEN_SIZE, 1, + GLX_BLUE_SIZE, 1, + GLX_DEPTH_SIZE, 1, + None }; + int attrib_double[] = { GLX_RGBA, + GLX_RED_SIZE, 1, + GLX_GREEN_SIZE, 1, + GLX_BLUE_SIZE, 1, + GLX_DEPTH_SIZE, 1, + GLX_DOUBLEBUFFER, + None }; + int *attrib = SingleBuffer ? attrib_single : attrib_double; + int scrnum = 0; XSetWindowAttributes attr; unsigned long mask; Window root; Window win; XVisualInfo *visinfo; - scrnum = 0; - root = RootWindow( dpy, scrnum ); + root = RootWindow(dpy, scrnum); - if (!(visinfo = glXChooseVisual( dpy, scrnum, attrib ))) { + if (!(visinfo = glXChooseVisual(dpy, scrnum, attrib))) { printf("Error: couldn't get an RGB, Double-buffered visual\n"); exit(1); } - if(!(ctx = glXCreateContext( dpy, visinfo, NULL, True ))) { + if (!(ctx = glXCreateContext(dpy, visinfo, NULL, True))) { printf("Error: glXCreateContext failed\n"); exit(1); } @@ -107,19 +102,19 @@ static Window make_rgb_db_window( Display *dpy, /* window attributes */ attr.background_pixel = 0; attr.border_pixel = 0; - attr.colormap = XCreateColormap( dpy, root, visinfo->visual, AllocNone); + attr.colormap = XCreateColormap(dpy, root, visinfo->visual, AllocNone); attr.event_mask = StructureNotifyMask | ExposureMask; mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask; - win = XCreateWindow( dpy, root, 0, 0, width, height, + win = XCreateWindow(dpy, root, 0, 0, width, height, 0, visinfo->depth, InputOutput, - visinfo->visual, mask, &attr ); + visinfo->visual, mask, &attr); if (!win) { printf("Error: XCreateWindow failed\n"); exit(1); } - glXMakeCurrent( dpy, win, ctx ); + glXMakeCurrent(dpy, win, ctx); glViewport(0, 0, width, height); @@ -127,22 +122,24 @@ static Window make_rgb_db_window( Display *dpy, } -static void event_loop( Display *dpy, Window win ) +static void +event_loop(Display *dpy, Window win) { int i; - printf("Hang on... drawing %d frames\n", NR); - for (i = 0; i < NR; i++) { - redraw( dpy, win, i*10 ); - if (DO_SLEEPS) { - printf("sleep(1)\n"); - sleep(1); + printf("Drawing %d frames\n", NumFrames); + + for (i = 0; i < NumFrames; i++) { + redraw(dpy, win, -i*2); + if (Sleeps) { + usleep(20000); } } } -static int foo( void ) +static int +runtest(void) { Display *dpy; Window win; @@ -153,41 +150,121 @@ static int foo( void ) return 1; } - win = make_rgb_db_window( dpy, 800, 600); + win = make_window(dpy, 800, 600); srand(getpid()); - glShadeModel( GL_FLAT ); - glClearColor( 0.5, 0.5, 0.5, 1.0 ); + /* init GL state */ + glClearColor(0.5, 0.5, 0.5, 1.0); + glEnable(GL_DEPTH_TEST); + if (Texture) { + GLubyte image[16][16][4]; + GLint i, j; + for (i = 0; i < 16; i++) { + for (j = 0; j < 16; j++) { + if (((i / 2) ^ (j / 2)) & 1) { + image[i][j][0] = 255; + image[i][j][1] = 255; + image[i][j][2] = 255; + image[i][j][3] = 255; + } + else { + image[i][j][0] = 128; + image[i][j][1] = 128; + image[i][j][2] = 128; + image[i][j][3] = 128; + } + } + } + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 16, 16, 0, + GL_RGBA, GL_UNSIGNED_BYTE, image); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + glEnable(GL_TEXTURE_2D); + } + if (SingleBuffer) { + glDrawBuffer(GL_FRONT); + glReadBuffer(GL_FRONT); + } + else { + glDrawBuffer(GL_BACK); + } - XMapWindow( dpy, win ); + XMapWindow(dpy, win); + /* wait for window to get mapped */ { XEvent e; while (1) { - XNextEvent( dpy, &e ); + XNextEvent(dpy, &e); if (e.type == MapNotify && e.xmap.window == win) { break; } } } - event_loop( dpy, win ); + event_loop(dpy, win); - glXDestroyContext( dpy, ctx ); - XDestroyWindow( dpy, win ); + glXDestroyContext(dpy, ctx); + XDestroyWindow(dpy, win); - XCloseDisplay( dpy ); + XCloseDisplay(dpy); return 0; } -int main() +static void +usage(void) +{ + printf("Usage:\n"); + printf(" -f N render N frames (default %d)\n", NumFrames); + printf(" -d N do N display cycles\n"); + printf(" -t texturing\n"); + printf(" -s single buffering\n"); + printf(" -n no usleep() delay\n"); +} + + +static void +parse_args(int argc, char *argv[]) { int i; - for (i = 0 ; i < NR_DISPLAYS ; i++) { - if (foo() != 0) + for (i = 1; i < argc; i++) { + if (strcmp(argv[i], "-f") == 0) { + NumFrames = atoi(argv[i + 1]); + i++; + } + else if (strcmp(argv[i], "-d") == 0) { + NumDisplays = atoi(argv[i + 1]); + i++; + } + else if (strcmp(argv[i], "-n") == 0) { + Sleeps = GL_FALSE; + } + else if (strcmp(argv[i], "-s") == 0) { + SingleBuffer = GL_TRUE; + } + else if (strcmp(argv[i], "-t") == 0) { + Texture = GL_TRUE; + } + else { + usage(); + exit(1); + } + } +} + + +int +main(int argc, char *argv[]) +{ + int i; + + parse_args(argc, argv); + + for (i = 0; i < NumDisplays; i++) { + if (runtest() != 0) break; } diff --git a/progs/redbook/Imakefile b/progs/redbook/Imakefile deleted file mode 100644 index ab3b6d7f79..0000000000 --- a/progs/redbook/Imakefile +++ /dev/null @@ -1,221 +0,0 @@ -LOCAL_LIBRARIES = $(XLIB) $(TOP)\lib\Mesaaux.a $(TOP)\lib\Mesaglu.a $(TOP)\lib\MesaGL.a
-
-INCLUDES = -I$(TOP)\include
-
-SRCS = accanti.c \
- accnot.c \
- accpersp.c \
- accum.c \
- aim.c \
- alpha.c \
- alpha3D.c \
- anti.c \
- antiindex.c \
- antipindex.c \
- antipoint.c \
- antipoly.c \
- bezcurve.c \
- bezmesh.c \
- bezsurf.c \
- checker.c \
- checker2.c \
- chess.c \
- clip.c \
- colormat.c \
- cone.c \
- cube.c \
- curve.c \
- depthcue.c \
- disk.c \
- dof.c \
- dofnot.c \
- double.c \
- drawf.c \
- feedback.c \
- fog.c \
- fogindex.c \
- font.c \
- light.c \
- linelist.c \
- lines.c \
- list.c \
- list2.c \
- maplight.c \
- material.c \
- mipmap.c \
- model.c \
- movelight.c \
- nurbs.c \
- pickdepth.c \
- pickline.c \
- picksquare.c \
- plane.c \
- planet.c \
- planetup.c \
- polys.c \
- robot.c \
- sccolorlight.c \
- scene.c \
- scenebamb.c \
- sceneflat.c \
- select.c \
- simple.c \
- smooth.c \
- sphere.c \
- stencil.c \
- stroke.c \
- surface.c \
- tea.c \
- teaambient.c \
- teapots.c \
- texgen.c \
- texturesurf.c \
- trim.c \
- xfont.c
-
-PROGRAMS = ProgramTargetName(accanti) \
- ProgramTargetName(accnot) \
- ProgramTargetName(accpersp) \
- ProgramTargetName(accum) \
- ProgramTargetName(aim) \
- ProgramTargetName(alpha) \
- ProgramTargetName(alpha3D) \
- ProgramTargetName(anti) \
- ProgramTargetName(antiindex) \
- ProgramTargetName(antipindex) \
- ProgramTargetName(antipoint) \
- ProgramTargetName(antipoly) \
- ProgramTargetName(bezcurve) \
- ProgramTargetName(bezmesh) \
- ProgramTargetName(bezsurf) \
- ProgramTargetName(checker) \
- ProgramTargetName(checker2) \
- ProgramTargetName(chess) \
- ProgramTargetName(clip) \
- ProgramTargetName(colormat) \
- ProgramTargetName(cone) \
- ProgramTargetName(cube) \
- ProgramTargetName(curve) \
- ProgramTargetName(depthcue) \
- ProgramTargetName(disk) \
- ProgramTargetName(dof) \
- ProgramTargetName(dofnot) \
- ProgramTargetName(double) \
- ProgramTargetName(drawf) \
- ProgramTargetName(feedback) \
- ProgramTargetName(fog) \
- ProgramTargetName(fogindex) \
- ProgramTargetName(font) \
- ProgramTargetName(light) \
- ProgramTargetName(linelist) \
- ProgramTargetName(lines) \
- ProgramTargetName(list) \
- ProgramTargetName(list2) \
- ProgramTargetName(maplight) \
- ProgramTargetName(material) \
- ProgramTargetName(mipmap) \
- ProgramTargetName(model) \
- ProgramTargetName(movelight) \
- ProgramTargetName(nurbs) \
- ProgramTargetName(pickdepth) \
- ProgramTargetName(pickline) \
- ProgramTargetName(picksquare) \
- ProgramTargetName(plane) \
- ProgramTargetName(planet) \
- ProgramTargetName(planetup) \
- ProgramTargetName(polys) \
- ProgramTargetName(robot) \
- ProgramTargetName(sccolorlight) \
- ProgramTargetName(scene) \
- ProgramTargetName(scenebamb) \
- ProgramTargetName(sceneflat) \
- ProgramTargetName(select) \
- ProgramTargetName(simple) \
- ProgramTargetName(smooth) \
- ProgramTargetName(sphere) \
- ProgramTargetName(stencil) \
- ProgramTargetName(stroke) \
- ProgramTargetName(surface) \
- ProgramTargetName(tea) \
- ProgramTargetName(teaambient) \
- ProgramTargetName(teapots) \
- ProgramTargetName(texgen) \
- ProgramTargetName(texturesurf) \
- ProgramTargetName(trim) \
- ProgramTargetName(xfont)
-
-AllTarget($(PROGRAMS))
-
-NormalProgramTarget(accanti,accanti.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(accnot,accnot.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(accpersp,accpersp.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(accum,accum.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(aim,aim.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(alpha,alpha.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(alpha3D,alpha3D.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(anti,anti.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(antiindex,antiindex.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(antipindex,antipindex.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(antipoint,antipoint.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(antipoly,antipoly.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(bezcurve,bezcurve.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(bezmesh,bezmesh.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(bezsurf,bezsurf.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(checker,checker.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(checker2,checker2.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(chess,chess.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(clip,clip.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(colormat,colormat.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(cone,cone.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(cube,cube.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(curve,curve.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(depthcue,depthcue.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(disk,disk.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(dof,dof.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(dofnot,dofnot.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(double,double.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(drawf,drawf.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(feedback,feedback.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(fog,fog.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(fogindex,fogindex.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(font,font.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(light,light.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(linelist,linelist.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(lines,lines.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(list,list.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(list2,list2.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(maplight,maplight.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(material,material.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(mipmap,mipmap.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(model,model.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(movelight,movelight.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(nurbs,nurbs.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(pickdepth,pickdepth.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(pickline,pickline.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(picksquare,picksquare.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(plane,plane.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(planet,planet.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(planetup,planetup.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(polys,polys.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(robot,robot.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(sccolorlight,sccolorlight.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(scene,scene.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(scenebamb,scenebamb.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(sceneflat,sceneflat.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(select,select.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(simple,simple.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(smooth,smooth.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(sphere,sphere.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(stencil,stencil.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(stroke,stroke.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(surface,surface.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(tea,tea.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(teaambient,teaambient.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(teapots,teapots.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(texgen,texgen.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(texturesurf,texturesurf.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(trim,trim.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(xfont,xfont.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-
-DependTarget()
-
diff --git a/progs/samples/Imakefile b/progs/samples/Imakefile deleted file mode 100644 index 948a978359..0000000000 --- a/progs/samples/Imakefile +++ /dev/null @@ -1,101 +0,0 @@ -LOCAL_LIBRARIES = $(XLIB) $(TOP)\lib\glut.a $(TOP)\lib\Mesaglu.a $(TOP)\lib\MesaGL.a
-
-INCLUDES = -I$(TOP)\include
-
-SRCS = accum.c \
- bitmap1.c \
- bitmap2.c \
- blendeq.c \
- blendxor.c \
- copy.c \
- cursor.c \
- depth.c \
- eval.c \
- fog.c \
- font.c \
- line.c \
- logo.c \
- nurb.c \
- oglinfo.c \
- olympic.c \
- overlay.c \
- point.c \
- prim.c \
- quad.c \
- select.c \
- shape.c \
- speed.c \
- sphere.c \
- star.c \
- stencil.c \
- stretch.c \
- texture.c \
- tri.c \
- wave.c
-
-PROGRAMS = ProgramTargetName(accum) \
- ProgramTargetName(bitmap1) \
- ProgramTargetName(bitmap2) \
- ProgramTargetName(blendeq) \
- ProgramTargetName(blendxor) \
- ProgramTargetName(copy) \
- ProgramTargetName(cursor) \
- ProgramTargetName(depth) \
- ProgramTargetName(eval) \
- ProgramTargetName(fog) \
- ProgramTargetName(font) \
- ProgramTargetName(line) \
- ProgramTargetName(logo) \
- ProgramTargetName(nurb) \
- ProgramTargetName(oglinfo) \
- ProgramTargetName(olympic) \
- ProgramTargetName(overlay) \
- ProgramTargetName(point) \
- ProgramTargetName(prim) \
- ProgramTargetName(quad) \
- ProgramTargetName(select) \
- ProgramTargetName(shape) \
- ProgramTargetName(speed) \
- ProgramTargetName(sphere) \
- ProgramTargetName(star) \
- ProgramTargetName(stencil) \
- ProgramTargetName(stretch) \
- ProgramTargetName(texture) \
- ProgramTargetName(tri) \
- ProgramTargetName(wave)
-
-AllTarget($(PROGRAMS))
-
-NormalProgramTarget(accum,accum.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(bitmap1,bitmap1.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(bitmap2,bitmap2.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(blendeq,blendeq.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(blendxor,blendxor.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(copy,copy.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(cursor,cursor.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(depth,depth.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(eval,eval.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(fog,fog.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(font,font.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(line,line.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(logo,logo.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(nurb,nurb.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(oglinfo,oglinfo.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(olympic,olympic.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(overlay,overlay.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(point,point.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(prim,prim.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(quad,quad.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(select,select.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(shape,shape.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(speed,speed.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(sphere,sphere.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(star,star.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(stencil,stencil.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(stretch,stretch.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(texture,texture.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(tri,tri.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-NormalProgramTarget(wave,wave.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
-
-DependTarget()
-
diff --git a/progs/tests/Makefile b/progs/tests/Makefile index 9edef74fb2..9016efe9e7 100644 --- a/progs/tests/Makefile +++ b/progs/tests/Makefile @@ -23,6 +23,7 @@ SOURCES = \ arbvptest3.c \ arbvptorus.c \ arbvpwarpmesh.c \ + arraytexture.c \ blendminmax.c \ blendsquare.c \ bufferobj.c \ @@ -54,6 +55,7 @@ SOURCES = \ pbo.c \ prog_parameter.c \ projtex.c \ + random.c \ readrate.c \ seccolor.c \ sharedtex.c \ @@ -117,6 +119,12 @@ getprocaddress: getprocaddress.c getproclist.h getproclist.h: $(TOP)/src/mesa/glapi/gl_API.xml getprocaddress.c getprocaddress.py python getprocaddress.py > getproclist.h +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 $@ + afsmultiarb: afsmultiarb.o readtex.o $(CC) $(CFLAGS) afsmultiarb.o readtex.o $(LIBS) -o $@ diff --git a/progs/tests/arraytexture.c b/progs/tests/arraytexture.c new file mode 100644 index 0000000000..48c622be30 --- /dev/null +++ b/progs/tests/arraytexture.c @@ -0,0 +1,337 @@ +/* + * (C) Copyright IBM Corporation 2007 + * All Rights Reserved. + * + * 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 + * on the rights to use, copy, modify, merge, publish, distribute, sub + * license, 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 and this permission notice (including the next + * paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * IBM AND/OR ITS SUPPLIERS 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. + */ + +/** + * \file arraytexture.c + * + * + * \author Ian Romanick <idr@us.ibm.com> + */ + +#include <assert.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <math.h> +#include <GL/glut.h> +#include <GL/glext.h> + +#if !defined(GL_EXT_texture_array) && !defined(GL_MESA_texture_array) +# error "This demo requires enums for either GL_EXT_texture_array or GL_MESA_texture_array to build." +#endif + +#include "readtex.h" + +#define GL_CHECK_ERROR() \ + do { \ + GLenum err = glGetError(); \ + if (err) { \ + printf("%s:%u: %s (0x%04x)\n", __FILE__, __LINE__, \ + gluErrorString(err), err); \ + } \ + } while (0) + +static const char *const textures[] = { + "../images/girl.rgb", + "../images/girl2.rgb", + "../images/arch.rgb", + "../images/s128.rgb", + + "../images/tree3.rgb", + "../images/bw.rgb", + "../images/reflect.rgb", + "../images/wrs_logo.rgb", + NULL +}; + +static const char frag_prog[] = + "!!ARBfp1.0\n" + "OPTION MESA_texture_array;\n" + "TEX result.color, fragment.texcoord[0], texture[0], ARRAY2D;\n" + "END\n"; + +static GLfloat Xrot = 0, Yrot = -30, Zrot = 0; +static GLfloat texZ = 0.0; +static GLfloat texZ_dir = 0.01; +static GLint num_layers; + +static PFNGLBINDPROGRAMARBPROC bind_program; +static PFNGLPROGRAMSTRINGARBPROC program_string; +static PFNGLGENPROGRAMSARBPROC gen_programs; + + +static void +PrintString(const char *s) +{ + while (*s) { + glutBitmapCharacter(GLUT_BITMAP_8_BY_13, (int) *s); + s++; + } +} + + +static void Idle(void) +{ + static int lastTime = 0; + int t = glutGet(GLUT_ELAPSED_TIME); + + if (lastTime == 0) + lastTime = t; + else if (t - lastTime < 10) + return; + + lastTime = t; + + texZ += texZ_dir; + if ((texZ < 0.0) || ((GLint) texZ > num_layers)) { + texZ_dir = -texZ_dir; + } + + glutPostRedisplay(); +} + + +static void Display(void) +{ + char str[100]; + + glClear(GL_COLOR_BUFFER_BIT); + + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + glOrtho(-1, 1, -1, 1, -1, 1); + glMatrixMode(GL_MODELVIEW); + glLoadIdentity(); + + (*bind_program)(GL_FRAGMENT_PROGRAM_ARB, 0); + glColor3f(1,1,1); + glRasterPos3f(-0.9, -0.9, 0.0); + sprintf(str, "Texture Z coordinate = %4.1f", texZ); + PrintString(str); + + (*bind_program)(GL_FRAGMENT_PROGRAM_ARB, 1); + GL_CHECK_ERROR(); + glEnable(GL_TEXTURE_2D_ARRAY_EXT); + GL_CHECK_ERROR(); + + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + glFrustum(-1.0, 1.0, -1.0, 1.0, 5.0, 25.0); + glMatrixMode(GL_MODELVIEW); + glLoadIdentity(); + glTranslatef(0.0, 0.0, -8.0); + + glPushMatrix(); + glRotatef(Xrot, 1, 0, 0); + glRotatef(Yrot, 0, 1, 0); + glRotatef(Zrot, 0, 0, 1); + + glBegin(GL_QUADS); + glTexCoord3f(0.0, 0.0, texZ); glVertex2f(-1.0, -1.0); + glTexCoord3f(2.0, 0.0, texZ); glVertex2f(1.0, -1.0); + glTexCoord3f(2.0, 2.0, texZ); glVertex2f(1.0, 1.0); + glTexCoord3f(0.0, 2.0, texZ); glVertex2f(-1.0, 1.0); + glEnd(); + + glPopMatrix(); + + glDisable(GL_TEXTURE_2D_ARRAY_EXT); + GL_CHECK_ERROR(); + (*bind_program)(GL_FRAGMENT_PROGRAM_ARB, 0); + GL_CHECK_ERROR(); + + glutSwapBuffers(); +} + + +static void Reshape(int width, int height) +{ + glViewport(0, 0, width, height); +} + + +static void Key(unsigned char key, int x, int y) +{ + (void) x; + (void) y; + switch (key) { + case 27: + exit(0); + break; + } + glutPostRedisplay(); +} + + +static void SpecialKey(int key, int x, int y) +{ + const GLfloat step = 3.0; + (void) x; + (void) y; + 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; + } + glutPostRedisplay(); +} + + +static int FindLine(const char *program, int position) +{ + int i, line = 1; + for (i = 0; i < position; i++) { + if (program[i] == '\n') + line++; + } + return line; +} + + +static void +compile_fragment_program(GLuint id, const char *prog) +{ + int errorPos; + int err; + + err = glGetError(); + (*bind_program)(GL_FRAGMENT_PROGRAM_ARB, id); + (*program_string)(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB, + strlen(prog), (const GLubyte *) prog); + + glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorPos); + err = glGetError(); + if (err != GL_NO_ERROR || errorPos != -1) { + int l = FindLine(prog, errorPos); + + printf("Fragment Program Error (err=%d, pos=%d line=%d): %s\n", + err, errorPos, l, + (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB)); + exit(0); + } +} + + +static void require_extension(const char *ext) +{ + if (!glutExtensionSupported(ext)) { + printf("Sorry, %s not supported by this renderer.\n", ext); + exit(1); + } +} + + +static void Init(void) +{ + const char *const ver_string = (const char *const) glGetString(GL_VERSION); + unsigned i; + + printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER)); + printf("GL_VERSION = %s\n", ver_string); + + require_extension("GL_ARB_fragment_program"); + require_extension("GL_MESA_texture_array"); + require_extension("GL_SGIS_generate_mipmap"); + + bind_program = glutGetProcAddress("glBindProgramARB"); + program_string = glutGetProcAddress("glProgramStringARB"); + gen_programs = glutGetProcAddress("glGenProgramsARB"); + + + for (num_layers = 0; textures[num_layers] != NULL; num_layers++) + /* empty */ ; + + glBindTexture(GL_TEXTURE_2D_ARRAY_EXT, 1); + glTexImage3D(GL_TEXTURE_2D_ARRAY_EXT, 0, GL_RGB8, + 256, 256, num_layers, 0, GL_RGB, GL_UNSIGNED_BYTE, NULL); + GL_CHECK_ERROR(); + + glTexParameteri(GL_TEXTURE_2D_ARRAY_EXT, GL_GENERATE_MIPMAP_SGIS, + GL_TRUE); + + for (i = 0; textures[i] != NULL; i++) { + GLint width, height; + GLenum format; + + GLubyte *image = LoadRGBImage(textures[i], &width, &height, &format); + if (!image) { + printf("Error: could not load texture image %s\n", textures[i]); + exit(1); + } + + /* resize to 256 x 256 */ + if (width != 256 || height != 256) { + GLubyte *newImage = malloc(256 * 256 * 4); + gluScaleImage(format, width, height, GL_UNSIGNED_BYTE, image, + 256, 256, GL_UNSIGNED_BYTE, newImage); + free(image); + image = newImage; + } + + glTexSubImage3D(GL_TEXTURE_2D_ARRAY_EXT, 0, + 0, 0, i, 256, 256, 1, + format, GL_UNSIGNED_BYTE, image); + free(image); + } + GL_CHECK_ERROR(); + + glTexParameteri(GL_TEXTURE_2D_ARRAY_EXT, GL_TEXTURE_WRAP_S, GL_REPEAT); + glTexParameteri(GL_TEXTURE_2D_ARRAY_EXT, GL_TEXTURE_WRAP_T, GL_REPEAT); + glTexParameteri(GL_TEXTURE_2D_ARRAY_EXT, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE); + + glTexParameteri(GL_TEXTURE_2D_ARRAY_EXT, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR); + GL_CHECK_ERROR(); + glTexParameteri(GL_TEXTURE_2D_ARRAY_EXT, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + GL_CHECK_ERROR(); + + compile_fragment_program(1, frag_prog); + GL_CHECK_ERROR(); +} + + +int main(int argc, char *argv[]) +{ + glutInit(&argc, argv); + glutInitWindowPosition(0, 0); + glutInitWindowSize(350, 350); + glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE); + glutCreateWindow("Array texture test"); + glutReshapeFunc(Reshape); + glutKeyboardFunc(Key); + glutSpecialFunc(SpecialKey); + glutDisplayFunc(Display); + glutIdleFunc(Idle); + Init(); + glutMainLoop(); + return 0; +} diff --git a/progs/tests/drawbuffers.c b/progs/tests/drawbuffers.c index 8583bac0dd..5e89569380 100644 --- a/progs/tests/drawbuffers.c +++ b/progs/tests/drawbuffers.c @@ -19,6 +19,7 @@ static int Win; static int Width = 400, Height = 400; static GLuint FBobject, RBobjects[3]; static GLfloat Xrot = 0.0, Yrot = 0.0; +static GLuint Program; static void @@ -40,6 +41,8 @@ Display(void) GL_COLOR_ATTACHMENT1_EXT }; + glUseProgram_func(Program); + /* draw to user framebuffer */ glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, FBobject); @@ -71,10 +74,12 @@ Display(void) buffer); /* top half = colorbuffer 1 */ glReadBuffer(GL_COLOR_ATTACHMENT1_EXT); - glReadPixels(0, Height/2, Width, Height / 2, GL_RGBA, GL_UNSIGNED_BYTE, - buffer + Width * Height / 2 * 4); + glReadPixels(0, Height/2, Width, Height - Height / 2, + GL_RGBA, GL_UNSIGNED_BYTE, + buffer + Width * (Height / 2) * 4); /* draw to window */ + glUseProgram_func(0); glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); glWindowPos2iARB(0, 0); glDrawPixels(Width, Height, GL_RGBA, GL_UNSIGNED_BYTE, buffer); @@ -243,15 +248,15 @@ SetupShaders(void) " gl_FragData[1] = vec4(1.0) - gl_Color; \n" "}\n"; - GLuint fragShader, program; + GLuint fragShader; fragShader = LoadAndCompileShader(GL_FRAGMENT_SHADER, fragShaderText); - program = glCreateProgram_func(); + Program = glCreateProgram_func(); - glAttachShader_func(program, fragShader); - glLinkProgram_func(program); - CheckLink(program); - glUseProgram_func(program); + glAttachShader_func(Program, fragShader); + glLinkProgram_func(Program); + CheckLink(Program); + glUseProgram_func(Program); } diff --git a/progs/tests/random.c b/progs/tests/random.c new file mode 100644 index 0000000000..d52c338e0e --- /dev/null +++ b/progs/tests/random.c @@ -0,0 +1,457 @@ +/** + * Random rendering, to check for crashes, hangs, etc. + * + * Brian Paul + * 21 June 2007 + */ + +#define GL_GLEXT_PROTOTYPES + +#include <assert.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <math.h> +#include <GL/glut.h> + +static int Win; +static GLboolean Anim = GL_TRUE; +static int Width = 200, Height = 200; +static int DB = 0; +static int MinVertexCount = 0, MaxVertexCount = 1000; +static int Count = 0; + +struct vertex +{ + int type; + float v[4]; +}; + +static int BufferSize = 10000; +static struct vertex *Vbuffer = NULL; +static int Vcount, Vprim; + +enum { + BEGIN, + END, + VERTEX2, + VERTEX3, + VERTEX4, + COLOR3, + COLOR4, + TEX2, + TEX3, + TEX4, + SECCOLOR3, + NORMAL3 +}; + + + +/** + * This can be called from within gdb after a crash: + * (gdb) call ReportState() + */ +static void +ReportState(void) +{ + static const struct { + GLenum token; + char *str; + GLenum type; + } state [] = { + { GL_ALPHA_TEST, "GL_ALPHA_TEST", GL_INT }, + { GL_BLEND, "GL_BLEND", GL_INT }, + { GL_CLIP_PLANE0, "GL_CLIP_PLANE0", GL_INT }, + { GL_DEPTH_TEST, "GL_DEPTH_TEST", GL_INT }, + { GL_LIGHTING, "GL_LIGHTING", GL_INT }, + { GL_LINE_WIDTH, "GL_LINE_WIDTH", GL_FLOAT }, + { GL_POINT_SIZE, "GL_POINT_SIZE", GL_FLOAT }, + { GL_SHADE_MODEL, "GL_SHADE_MODEL", GL_INT }, + { GL_SCISSOR_TEST, "GL_SCISSOR_TEST", GL_INT }, + { 0, NULL, 0 } + }; + + GLint i; + + for (i = 0; state[i].token; i++) { + if (state[i].type == GL_INT) { + GLint v; + glGetIntegerv(state[i].token, &v); + printf("%s = %d\n", state[i].str, v); + } + else { + GLfloat v; + glGetFloatv(state[i].token, &v); + printf("%s = %f\n", state[i].str, v); + } + } +} + +static void +PrintVertex(const char *f, const struct vertex *v, int sz) +{ + int i; + printf("%s(", f); + for (i = 0; i < sz; i++) { + printf("%g%s", v->v[i], (i == sz-1) ? "" : ", "); + } + printf(");\n"); +} + +/** + * This can be called from within gdb after a crash: + * (gdb) call ReportState() + */ +static void +LastPrim(void) +{ + int i; + for (i = 0; i < Vcount; i++) { + switch (Vbuffer[i].type) { + case BEGIN: + printf("glBegin(%d);\n", (int) Vbuffer[i].v[0]); + break; + case END: + printf("glEnd();\n"); + break; + case VERTEX2: + PrintVertex("glVertex2f", Vbuffer + i, 2); + break; + case VERTEX3: + PrintVertex("glVertex3f", Vbuffer + i, 3); + break; + case VERTEX4: + PrintVertex("glVertex4f", Vbuffer + i, 4); + break; + case COLOR3: + PrintVertex("glColor3f", Vbuffer + i, 3); + break; + case COLOR4: + PrintVertex("glColor4f", Vbuffer + i, 4); + break; + case TEX2: + PrintVertex("glTexCoord2f", Vbuffer + i, 2); + break; + case TEX3: + PrintVertex("glTexCoord3f", Vbuffer + i, 3); + break; + case TEX4: + PrintVertex("glTexCoord4f", Vbuffer + i, 4); + break; + case SECCOLOR3: + PrintVertex("glSecondaryColor3f", Vbuffer + i, 3); + break; + case NORMAL3: + PrintVertex("glNormal3f", Vbuffer + i, 3); + break; + default: + abort(); + } + } +} + + +static int +RandomInt(int max) +{ + if (max == 0) + return 0; + return rand() % max; +} + +static float +RandomFloat(float min, float max) +{ + int k = rand() % 10000; + float x = min + (max - min) * k / 10000.0; + return x; +} + +/* + * Return true if random number in [0,1] is <= percentile. + */ +static GLboolean +RandomChoice(float percentile) +{ + return RandomFloat(0.0, 1.0) <= percentile; +} + +static void +RandomStateChange(void) +{ + int k = RandomInt(19); + switch (k) { + case 0: + glEnable(GL_BLEND); + break; + case 1: + glDisable(GL_BLEND); + break; + case 2: + glEnable(GL_ALPHA_TEST); + break; + case 3: + glEnable(GL_ALPHA_TEST); + break; + case 4: + glEnable(GL_DEPTH_TEST); + break; + case 5: + glEnable(GL_DEPTH_TEST); + break; + case 6: + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + break; + case 7: + glPointSize(10.0); + break; + case 8: + glPointSize(1.0); + break; + case 9: + glLineWidth(10.0); + break; + case 10: + glLineWidth(1.0); + break; + case 11: + glEnable(GL_LIGHTING); + break; + case 12: + glDisable(GL_LIGHTING); + break; + case 13: + glEnable(GL_SCISSOR_TEST); + break; + case 14: + glDisable(GL_SCISSOR_TEST); + break; + case 15: + glEnable(GL_CLIP_PLANE0); + break; + case 16: + glDisable(GL_CLIP_PLANE0); + break; + case 17: + glShadeModel(GL_FLAT); + break; + case 18: + glShadeModel(GL_SMOOTH); + break; + } +} + + +static void +RandomPrimitive(void) +{ + int i; + int len = MinVertexCount + RandomInt(MaxVertexCount - MinVertexCount); + + Vprim = RandomInt(10); + + glBegin(Vprim); + Vbuffer[Vcount].type = BEGIN; + Vbuffer[Vcount].v[0] = Vprim; + Vcount++; + + for (i = 0; i < len; i++) { + Vbuffer[Vcount].v[0] = RandomFloat(-3, 3); + Vbuffer[Vcount].v[1] = RandomFloat(-3, 3); + Vbuffer[Vcount].v[2] = RandomFloat(-3, 3); + Vbuffer[Vcount].v[3] = RandomFloat(-3, 3); + int k = RandomInt(9); + switch (k) { + case 0: + glVertex2fv(Vbuffer[Vcount].v); + Vbuffer[Vcount].type = VERTEX2; + break; + case 1: + glVertex3fv(Vbuffer[Vcount].v); + Vbuffer[Vcount].type = VERTEX3; + break; + case 2: + glVertex4fv(Vbuffer[Vcount].v); + Vbuffer[Vcount].type = VERTEX4; + break; + case 3: + glColor3fv(Vbuffer[Vcount].v); + Vbuffer[Vcount].type = COLOR3; + break; + case 4: + glColor4fv(Vbuffer[Vcount].v); + Vbuffer[Vcount].type = COLOR4; + break; + case 5: + glTexCoord2fv(Vbuffer[Vcount].v); + Vbuffer[Vcount].type = TEX2; + break; + case 6: + glTexCoord3fv(Vbuffer[Vcount].v); + Vbuffer[Vcount].type = TEX3; + break; + case 7: + glTexCoord4fv(Vbuffer[Vcount].v); + Vbuffer[Vcount].type = TEX4; + break; + case 8: + glSecondaryColor3fv(Vbuffer[Vcount].v); + Vbuffer[Vcount].type = SECCOLOR3; + break; + case 9: + glNormal3fv(Vbuffer[Vcount].v); + Vbuffer[Vcount].type = NORMAL3; + break; + default: + abort(); + } + Vcount++; + + if (Vcount >= BufferSize - 2) { + /* reset */ + Vcount = 0; + } + } + + Vbuffer[Vcount++].type = END; + + glEnd(); +} + + +static void +RandomDraw(void) +{ + int i; + GLboolean dlist = RandomChoice(0.1); + if (dlist) + glNewList(1, GL_COMPILE); + for (i = 0; i < 3; i++) { + RandomStateChange(); + } + RandomPrimitive(); + + if (dlist) { + glEndList(); + glCallList(1); + } +} + + +static void +Idle(void) +{ + glutPostRedisplay(); +} + + +static void +Draw(void) +{ +#if 1 + RandomDraw(); + Count++; +#else + /* cut & paste temp code here */ +#endif + + assert(glGetError() == 0); + + if (DB) + glutSwapBuffers(); + else + glFinish(); +} + + +static void +Reshape(int width, int height) +{ + Width = width; + Height = height; + glViewport(0, 0, width, height); + glScissor(20, 20, Width-40, Height-40); + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + glFrustum(-1.0, 1.0, -1.0, 1.0, 5.0, 25.0); + glMatrixMode(GL_MODELVIEW); + glLoadIdentity(); + glTranslatef(0.0, 0.0, -15.0); +} + + +static void +Key(unsigned char key, int x, int y) +{ + (void) x; + (void) y; + switch (key) { + case 27: + glutDestroyWindow(Win); + exit(0); + break; + } + glutPostRedisplay(); +} + + +static void +Init(void) +{ + static const GLdouble plane[4] = {1, 1, 0, 0}; + glDrawBuffer(GL_FRONT); + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + glEnable(GL_LIGHT0); + glClipPlane(GL_CLIP_PLANE0, plane); + + Vbuffer = (struct vertex *) + malloc(BufferSize * sizeof(struct vertex)); + + /* silence warnings */ + (void) ReportState; + (void) LastPrim; +} + + +static void +ParseArgs(int argc, char *argv[]) +{ + int i; + for (i = 1; i < argc; i++) { + if (strcmp(argv[i], "-s") == 0) { + int j = atoi(argv[i + 1]); + printf("Random seed value: %d\n", j); + srand(j); + i++; + } + else if (strcmp(argv[i], "-a") == 0) { + i++; + MinVertexCount = atoi(argv[i]); + } + else if (strcmp(argv[i], "-b") == 0) { + i++; + MaxVertexCount = atoi(argv[i]); + } + } +} + + +int +main(int argc, char *argv[]) +{ + glutInit(&argc, argv); + glutInitWindowPosition(0, 0); + glutInitWindowSize(Width, Height); + glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH); + Win = glutCreateWindow(argv[0]); + ParseArgs(argc, argv); + glutReshapeFunc(Reshape); + glutKeyboardFunc(Key); + glutDisplayFunc(Draw); + if (Anim) + glutIdleFunc(Idle); + Init(); + glutMainLoop(); + return 0; +} diff --git a/progs/util/extfuncs.h b/progs/util/extfuncs.h index 90302bb510..5d647cdae7 100644 --- a/progs/util/extfuncs.h +++ b/progs/util/extfuncs.h @@ -11,6 +11,7 @@ static PFNGLCREATEPROGRAMPROC glCreateProgram_func = NULL; static PFNGLCREATESHADERPROC glCreateShader_func = NULL; static PFNGLDELETEPROGRAMPROC glDeleteProgram_func = NULL; static PFNGLDELETESHADERPROC glDeleteShader_func = NULL; +static PFNGLGETACTIVEATTRIBPROC glGetActiveAttrib_func = NULL; static PFNGLGETATTACHEDSHADERSPROC glGetAttachedShaders_func = NULL; static PFNGLGETATTRIBLOCATIONPROC glGetAttribLocation_func = NULL; static PFNGLGETPROGRAMINFOLOGPROC glGetProgramInfoLog_func = NULL; @@ -78,6 +79,7 @@ GetExtensionFuncs(void) glCreateShader_func = (PFNGLCREATESHADERPROC) glutGetProcAddress("glCreateShader"); glDeleteProgram_func = (PFNGLDELETEPROGRAMPROC) glutGetProcAddress("glDeleteProgram"); glDeleteShader_func = (PFNGLDELETESHADERPROC) glutGetProcAddress("glDeleteShader"); + glGetActiveAttrib_func = (PFNGLGETACTIVEATTRIBPROC) glutGetProcAddress("glGetActiveAttrib"); glGetAttachedShaders_func = (PFNGLGETATTACHEDSHADERSPROC) glutGetProcAddress("glGetAttachedShaders"); glGetAttribLocation_func = (PFNGLGETATTRIBLOCATIONPROC) glutGetProcAddress("glGetAttribLocation"); glGetProgramInfoLog_func = (PFNGLGETPROGRAMINFOLOGPROC) glutGetProcAddress("glGetProgramInfoLog"); diff --git a/progs/xdemos/Makefile b/progs/xdemos/Makefile index ec85464bec..d1d7fecea1 100644 --- a/progs/xdemos/Makefile +++ b/progs/xdemos/Makefile @@ -23,6 +23,7 @@ PROGS = glthreads \ overlay \ pbinfo \ pbdemo \ + texture_from_pixmap \ wincopy \ xfont \ xrotfontdemo \ diff --git a/progs/xdemos/texture_from_pixmap.c b/progs/xdemos/texture_from_pixmap.c new file mode 100644 index 0000000000..ab215b0ac3 --- /dev/null +++ b/progs/xdemos/texture_from_pixmap.c @@ -0,0 +1,396 @@ +/* + * Mesa 3-D graphics library + * Version: 7.1 + * + * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. + * + * 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 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 + * BRIAN PAUL 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. + */ + + +/* + * Test the GLX_EXT_texture_from_pixmap extension + * Brian Paul + * 19 May 2007 + */ + + +#define GL_GLEXT_PROTOTYPES +#define GLX_GLXEXT_PROTOTYPES +#include <GL/gl.h> +#include <GL/glx.h> +#include <X11/keysym.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + + +static float top, bottom; + +static PFNGLXBINDTEXIMAGEEXTPROC glXBindTexImageEXT_func = NULL; +static PFNGLXRELEASETEXIMAGEEXTPROC glXReleaseTexImageEXT_func = NULL; + + +static Display * +OpenDisplay(void) +{ + int screen; + Display *dpy; + const char *ext; + + dpy = XOpenDisplay(NULL); + if (!dpy) { + printf("Couldn't open default display!\n"); + exit(1); + } + + screen = DefaultScreen(dpy); + ext = glXQueryExtensionsString(dpy, screen); + if (!strstr(ext, "GLX_EXT_texture_from_pixmap")) { + fprintf(stderr, "GLX_EXT_texture_from_pixmap not supported.\n"); + exit(1); + } + + glXBindTexImageEXT_func = (PFNGLXBINDTEXIMAGEEXTPROC) + glXGetProcAddress((GLubyte *) "glXBindTexImageEXT"); + glXReleaseTexImageEXT_func = (PFNGLXRELEASETEXIMAGEEXTPROC) + glXGetProcAddress((GLubyte*) "glXReleaseTexImageEXT"); + + if (!glXBindTexImageEXT_func || !glXReleaseTexImageEXT_func) { + fprintf(stderr, "glXGetProcAddress failed!\n"); + exit(1); + } + + return dpy; +} + + +static GLXFBConfig +ChoosePixmapFBConfig(Display *display) +{ + int screen = DefaultScreen(display); + GLXFBConfig *fbconfigs; + int i, nfbconfigs, value; + + fbconfigs = glXGetFBConfigs(display, screen, &nfbconfigs); + for (i = 0; i < nfbconfigs; i++) { + + glXGetFBConfigAttrib(display, fbconfigs[i], GLX_DRAWABLE_TYPE, &value); + if (!(value & GLX_PIXMAP_BIT)) + continue; + + glXGetFBConfigAttrib(display, fbconfigs[i], + GLX_BIND_TO_TEXTURE_TARGETS_EXT, &value); + if (!(value & GLX_TEXTURE_2D_BIT_EXT)) + continue; + + glXGetFBConfigAttrib(display, fbconfigs[i], + GLX_BIND_TO_TEXTURE_RGBA_EXT, &value); + if (value == False) { + glXGetFBConfigAttrib(display, fbconfigs[i], + GLX_BIND_TO_TEXTURE_RGB_EXT, &value); + if (value == False) + continue; + } + + glXGetFBConfigAttrib(display, fbconfigs[i], + GLX_Y_INVERTED_EXT, &value); + if (value == True) { + top = 0.0f; + bottom = 1.0f; + } + else { + top = 1.0f; + bottom = 0.0f; + } + + break; + } + + if (i == nfbconfigs) { + printf("Unable to find FBconfig for texturing\n"); + exit(1); + } + + return fbconfigs[i]; +} + + +static GLXPixmap +CreatePixmap(Display *dpy, GLXFBConfig config, int w, int h, Pixmap *p) +{ + GLXPixmap gp; + const int pixmapAttribs[] = { + GLX_TEXTURE_TARGET_EXT, GLX_TEXTURE_2D_EXT, + GLX_TEXTURE_FORMAT_EXT, GLX_TEXTURE_FORMAT_RGB_EXT, + None + }; + Window root = RootWindow(dpy, 0); + + *p = XCreatePixmap(dpy, root, w, h, 24); + XSync(dpy, 0); + gp = glXCreatePixmap(dpy, config, *p, pixmapAttribs); + XSync(dpy, 0); + + return gp; +} + + +static void +DrawPixmapImage(Display *dpy, Pixmap pm, int w, int h) +{ + XGCValues gcvals; + GC gc; + + gcvals.background = 0; + gc = XCreateGC(dpy, pm, GCBackground, &gcvals); + + XSetForeground(dpy, gc, 0x0); + XFillRectangle(dpy, pm, gc, 0, 0, w, h); + + XSetForeground(dpy, gc, 0xff0000); + XFillRectangle(dpy, pm, gc, 0, 0, 50, 50); + + XSetForeground(dpy, gc, 0x00ff00); + XFillRectangle(dpy, pm, gc, w - 50, 0, 50, 50); + + XSetForeground(dpy, gc, 0x0000ff); + XFillRectangle(dpy, pm, gc, 0, h - 50, 50, 50); + + XSetForeground(dpy, gc, 0xffffff); + XFillRectangle(dpy, pm, gc, h - 50, h - 50, 50, 50); + + XSetForeground(dpy, gc, 0xffff00); + XSetLineAttributes(dpy, gc, 3, LineSolid, CapButt, JoinBevel); + XDrawLine(dpy, pm, gc, 0, 0, w, h); + XDrawLine(dpy, pm, gc, 0, h, w, 0); + + XFreeGC(dpy, gc); +} + + +static XVisualInfo * +ChooseWindowVisual(Display *dpy) +{ + int screen = DefaultScreen(dpy); + XVisualInfo *visinfo; + int attribs[] = { + GLX_RGBA, + GLX_RED_SIZE, 1, + GLX_GREEN_SIZE, 1, + GLX_BLUE_SIZE, 1, + GLX_DOUBLEBUFFER, + None + }; + + visinfo = glXChooseVisual(dpy, screen, attribs); + if (!visinfo) { + printf("Unable to find RGB, double-buffered visual\n"); + exit(1); + } + + return visinfo; +} + + +static Window +CreateWindow(Display *dpy, XVisualInfo *visinfo, + int width, int height, const char *name) +{ + int screen = DefaultScreen(dpy); + Window win; + XSetWindowAttributes attr; + unsigned long mask; + Window root; + + root = RootWindow(dpy, screen); + + /* 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, 0, 0, width, height, + 0, visinfo->depth, InputOutput, + visinfo->visual, mask, &attr); + if (win) { + XSizeHints sizehints; + sizehints.width = width; + sizehints.height = height; + sizehints.flags = USSize; + XSetNormalHints(dpy, win, &sizehints); + XSetStandardProperties(dpy, win, name, name, + None, (char **)NULL, 0, &sizehints); + + XMapWindow(dpy, win); + } + return win; +} + + +static void +BindPixmapTexture(Display *dpy, GLXPixmap gp) +{ + GLuint texture; + + glGenTextures(1, &texture); + glBindTexture(GL_TEXTURE_2D, texture); + + glXBindTexImageEXT_func(dpy, gp, GLX_FRONT_LEFT_EXT, NULL); + + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + + glEnable(GL_TEXTURE_2D); + /* + glXReleaseTexImageEXT_func(display, glxpixmap, GLX_FRONT_LEFT_EXT); + */ +} + + +static void +Resize(Window win, unsigned int width, unsigned int height) +{ + float sz = 1.5; + glViewport(0, 0, width, height); + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + glOrtho(-sz, sz, -sz, sz, -1.0, 1.0); + glMatrixMode(GL_MODELVIEW); +} + + +static void +Redraw(Display *dpy, Window win, float rot) +{ + glClearColor(0.25, 0.25, 0.25, 0.0); + glClear(GL_COLOR_BUFFER_BIT); + glPushMatrix(); + glRotatef(rot, 0, 0, 1); + glRotatef(2.0 * rot, 1, 0, 0); + + glBegin(GL_QUADS); + glTexCoord2d(0.0, bottom); + glVertex2f(-1, -1); + glTexCoord2d(1.0, bottom); + glVertex2f( 1, -1); + glTexCoord2d(1.0, top); + glVertex2d(1.0, 1.0); + glTexCoord2d(0.0, top); + glVertex2f(-1.0, 1.0); + glEnd(); + + glPopMatrix(); + + glXSwapBuffers(dpy, win); +} + + +static void +EventLoop(Display *dpy, Window win) +{ + GLfloat rot = 0.0; + int anim = 0; + + while (1) { + if (!anim || XPending(dpy) > 0) { + XEvent event; + XNextEvent(dpy, &event); + + switch (event.type) { + case Expose: + Redraw(dpy, win, rot); + break; + case ConfigureNotify: + Resize(event.xany.window, + event.xconfigure.width, + event.xconfigure.height); + break; + case KeyPress: + { + char buf[100]; + KeySym keySym; + XComposeStatus stat; + XLookupString(&event.xkey, buf, sizeof(buf), &keySym, &stat); + if (keySym == XK_Escape) { + return; /* exit */ + } + else if (keySym == XK_r) { + rot += 1.0; + Redraw(dpy, win, rot); + } + else if (keySym == XK_a) { + anim = !anim; + } + else if (keySym == XK_R) { + rot -= 1.0; + Redraw(dpy, win, rot); + } + } + break; + default: + ; /*no-op*/ + } + } + else { + /* animate */ + rot += 1.0; + Redraw(dpy, win, rot); + } + } +} + + + +int +main(int argc, char *argv[]) +{ + Display *dpy; + GLXFBConfig pixmapConfig; + XVisualInfo *windowVis; + GLXPixmap gp; + Window win; + GLXContext ctx; + Pixmap p; + + dpy = OpenDisplay(); + + pixmapConfig = ChoosePixmapFBConfig(dpy); + windowVis = ChooseWindowVisual(dpy); + win = CreateWindow(dpy, windowVis, 500, 500, "Texture From Pixmap"); + + gp = CreatePixmap(dpy, pixmapConfig, 512, 512, &p); + DrawPixmapImage(dpy, p, 512, 512); + + ctx = glXCreateContext(dpy, windowVis, NULL, True); + if (!ctx) { + printf("Couldn't create GLX context\n"); + exit(1); + } + + glXMakeCurrent(dpy, win, ctx); + + BindPixmapTexture(dpy, gp); + + EventLoop(dpy, win); + + return 0; +} |