diff options
Diffstat (limited to 'progs')
-rw-r--r-- | progs/demos/fslight.c | 2 | ||||
-rw-r--r-- | progs/demos/textures.c | 104 | ||||
-rw-r--r-- | progs/trivial/Makefile | 4 | ||||
-rw-r--r-- | progs/trivial/tri-tex.c | 168 | ||||
-rw-r--r-- | progs/trivial/tri.c | 17 | ||||
-rw-r--r-- | progs/trivial/vp-tri-cb-pos.c | 156 | ||||
-rw-r--r-- | progs/trivial/vp-tri-cb-tex.c | 189 | ||||
-rw-r--r-- | progs/trivial/vp-tri-tex.c | 137 | ||||
-rw-r--r-- | progs/vp/vp-tris.c | 11 | ||||
-rw-r--r-- | progs/vp/xform.txt | 11 |
10 files changed, 771 insertions, 28 deletions
diff --git a/progs/demos/fslight.c b/progs/demos/fslight.c index c7931f4697..e79b5cc197 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 = 0*GL_TRUE; +static GLboolean anim = GL_TRUE; static GLboolean wire = GL_FALSE; static GLboolean pixelLight = GL_TRUE; diff --git a/progs/demos/textures.c b/progs/demos/textures.c index 9f11604635..b7bf135d21 100644 --- a/progs/demos/textures.c +++ b/progs/demos/textures.c @@ -9,6 +9,9 @@ #include <GL/glut.h> #include "readtex.h" +#define TEST_CLAMP 0 +#define TEST_MIPMAPS 0 + #define MAX_TEXTURES 8 @@ -16,7 +19,8 @@ static int Win; static GLfloat Xrot = 0, Yrot = 0, Zrot = 0; static GLboolean Anim = GL_TRUE; static GLboolean Blend = GL_FALSE; -static GLboolean MipMap = 1+GL_FALSE; +static GLuint Filter = 0; +static GLboolean Clamp = GL_FALSE; static GLuint NumTextures; static GLuint Textures[MAX_TEXTURES]; @@ -32,6 +36,22 @@ static const char *DefaultFiles[] = { }; +#define NUM_FILTERS 5 +static +struct filter { + GLenum min, mag; + const char *name; +} FilterModes[NUM_FILTERS] = { + { GL_NEAREST, GL_NEAREST, "Nearest,Nearest" }, + { GL_LINEAR, GL_LINEAR, "Linear,Linear" }, + { GL_NEAREST_MIPMAP_NEAREST, GL_NEAREST, "NearestMipmapNearest,Nearest" }, + { GL_LINEAR_MIPMAP_NEAREST, GL_LINEAR, "LinearMipmapNearest,Linear" }, + { GL_LINEAR_MIPMAP_LINEAR, GL_LINEAR, "LinearMipmapLinear,Linear" } +}; + + + + static void Idle(void) { @@ -58,10 +78,17 @@ DrawTextures(void) glBindTexture(GL_TEXTURE_2D, Textures[i]); glBegin(GL_POLYGON); +#if TEST_CLAMP + glTexCoord2f( -0.5, -0.5 ); glVertex2f( -ar, -1.0 ); + glTexCoord2f( 1.5, -0.5 ); glVertex2f( ar, -1.0 ); + glTexCoord2f( 1.5, 1.5 ); glVertex2f( ar, 1.0 ); + glTexCoord2f( -0.5, 1.5 ); glVertex2f( -ar, 1.0 ); +#else glTexCoord2f( 0.0, 0.0 ); glVertex2f( -ar, -1.0 ); glTexCoord2f( 1.0, 0.0 ); glVertex2f( ar, -1.0 ); glTexCoord2f( 1.0, 1.0 ); glVertex2f( ar, 1.0 ); glTexCoord2f( 0.0, 1.0 ); glVertex2f( -ar, 1.0 ); +#endif glEnd(); glPopMatrix(); @@ -137,19 +164,23 @@ Randomize(void) static void -SetTexFilters(void) +SetTexParams(void) { GLuint i; for (i = 0; i < NumTextures; i++) { glBindTexture(GL_TEXTURE_2D, Textures[i]); - if (MipMap) { - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, - GL_LINEAR_MIPMAP_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, + FilterModes[Filter].min); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, + FilterModes[Filter].mag); + + if (Clamp) { + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); } else { - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); } } } @@ -163,6 +194,7 @@ Key(unsigned char key, int x, int y) (void) y; switch (key) { case 'a': + case ' ': Anim = !Anim; if (Anim) glutIdleFunc(Idle); @@ -172,12 +204,19 @@ Key(unsigned char key, int x, int y) case 'b': Blend = !Blend; break; - case 'm': - MipMap = !MipMap; - SetTexFilters(); + case 'f': + Filter = (Filter + 1) % NUM_FILTERS; + SetTexParams(); break; case 'r': Randomize(); + break; +#if TEST_CLAMP + case 'c': + Clamp = !Clamp; + SetTexParams(); + break; +#endif case 'z': Zrot -= step; break; @@ -190,9 +229,9 @@ Key(unsigned char key, int x, int y) break; } - printf("Blend=%s MipMap=%s\n", + printf("Blend=%s Filter=%s\n", Blend ? "Y" : "n", - MipMap ? "Y" : "n"); + FilterModes[Filter].name); glutPostRedisplay(); } @@ -231,15 +270,46 @@ LoadTextures(GLuint n, const char *files[]) glGenTextures(n, Textures); + SetTexParams(); + for (i = 0; i < n; i++) { GLint w, h; glBindTexture(GL_TEXTURE_2D, Textures[i]); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); +#if TEST_MIPMAPS + { + static const GLubyte color[9][4] = { + {255, 0, 0}, + {0, 255, 0}, + {0, 0, 255}, + {0, 255, 255}, + {255, 0, 255}, + {255, 255, 0}, + {255, 128, 255}, + {128, 128, 128}, + {64, 64, 64} + }; + + GLubyte image[256*256*4]; + int i, level; + w = h = 256; + for (level = 0; level <= 8; level++) { + for (i = 0; i < w * h; i++) { + image[i*4+0] = color[level][0]; + image[i*4+1] = color[level][1]; + image[i*4+2] = color[level][2]; + image[i*4+3] = color[level][3]; + } + printf("Load level %d: %d x %d\n", level, w>>level, h>>level); + glTexImage2D(GL_TEXTURE_2D, level, GL_RGBA, w>>level, h>>level, 0, + GL_RGBA, GL_UNSIGNED_BYTE, image); + } + } +#else if (!LoadRGBMipmaps2(files[i], GL_TEXTURE_2D, GL_RGB, &w, &h)) { printf("Error: couldn't load %s\n", files[i]); exit(1); } +#endif TexAspect[i] = (float) w / (float) h; printf("Loaded %s\n", files[i]); } @@ -277,7 +347,7 @@ Usage(void) printf("Keys:\n"); printf(" a - toggle animation\n"); printf(" b - toggle blending\n"); - printf(" m - toggle mipmapping\n"); + printf(" f - change texture filter mode\n"); printf(" r - randomize\n"); printf(" ESC - exit\n"); } @@ -288,7 +358,7 @@ main(int argc, char *argv[]) { glutInit(&argc, argv); glutInitWindowPosition(0, 0); - glutInitWindowSize(400, 400); + glutInitWindowSize(700, 700); glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH); Win = glutCreateWindow(argv[0]); glutReshapeFunc(Reshape); diff --git a/progs/trivial/Makefile b/progs/trivial/Makefile index a4077bd016..3f26798ca6 100644 --- a/progs/trivial/Makefile +++ b/progs/trivial/Makefile @@ -97,6 +97,7 @@ SOURCES = \ tri-query.c \ tri-scissor-tri.c \ tri-stencil.c \ + tri-tex.c \ tri-tex-3d.c \ tri-tri.c \ tri-unfilled-edgeflag.c \ @@ -126,8 +127,11 @@ SOURCES = \ vp-line-clip.c \ vp-tri.c \ vp-tri-swap.c \ + vp-tri-tex.c \ vp-tri-imm.c \ vp-tri-cb.c \ + vp-tri-cb-pos.c \ + vp-tri-cb-tex.c \ vp-unfilled.c PROGS = $(SOURCES:%.c=%) diff --git a/progs/trivial/tri-tex.c b/progs/trivial/tri-tex.c new file mode 100644 index 0000000000..a0d75b4a33 --- /dev/null +++ b/progs/trivial/tri-tex.c @@ -0,0 +1,168 @@ +/* + * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software and + * its documentation for any purpose is hereby granted without fee, provided + * that (i) the above copyright notices and this permission notice appear in + * all copies of the software and related documentation, and (ii) the name of + * Silicon Graphics may not be used in any advertising or + * publicity relating to the software without the specific, prior written + * permission of Silicon Graphics. + * + * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF + * ANY KIND, + * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY + * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. + * + * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR + * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, + * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, + * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF + * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE + * OF THIS SOFTWARE. + */ + +#include <stdio.h> +#include <string.h> +#include <stdlib.h> +#include <GL/glut.h> + + + +GLenum doubleBuffer; + +static void Init(void) +{ + fprintf(stderr, "GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER)); + fprintf(stderr, "GL_VERSION = %s\n", (char *) glGetString(GL_VERSION)); + fprintf(stderr, "GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR)); + + glClearColor(0.0, 0.0, 1.0, 0.0); + + +#define SIZE 32 + { + GLubyte tex2d[SIZE][SIZE][3]; + GLint s, t; + + for (s = 0; s < SIZE; s++) { + for (t = 0; t < SIZE; t++) { +#if 0 + tex2d[t][s][0] = (s < SIZE/2) ? 0 : 255; + tex2d[t][s][1] = (t < SIZE/2) ? 0 : 255; + tex2d[t][s][2] = 0; +#else + tex2d[t][s][0] = s*255/(SIZE-1); + tex2d[t][s][1] = t*255/(SIZE-1); + tex2d[t][s][2] = 0; +#endif + } + } + + glPixelStorei(GL_UNPACK_ALIGNMENT, 1); + + glTexImage2D(GL_TEXTURE_2D, 0, 3, SIZE, SIZE, 0, + GL_RGB, GL_UNSIGNED_BYTE, tex2d); + + glEnable(GL_TEXTURE_2D); + glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_REPEAT); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + + glPixelStorei(GL_UNPACK_ALIGNMENT, 4); + } + +} + +static void Reshape(int width, int height) +{ + + glViewport(0, 0, (GLint)width, (GLint)height); + + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); +/* glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0); */ + glMatrixMode(GL_MODELVIEW); +} + +static void Key(unsigned char key, int x, int y) +{ + + switch (key) { + case 27: + exit(1); + default: + return; + } + + glutPostRedisplay(); +} + +static void Draw(void) +{ + glClear(GL_COLOR_BUFFER_BIT); + + glBegin(GL_TRIANGLES); + glTexCoord2f(1,-1); + glVertex3f( 0.9, -0.9, -0.0); + glTexCoord2f(1,1); + glVertex3f( 0.9, 0.9, -0.0); + glTexCoord2f(-1,0); + glVertex3f(-0.9, 0.0, -0.0); + glEnd(); + + glFlush(); + + if (doubleBuffer) { + glutSwapBuffers(); + } +} + +static GLenum Args(int argc, char **argv) +{ + GLint i; + + doubleBuffer = GL_FALSE; + + for (i = 1; i < argc; i++) { + if (strcmp(argv[i], "-sb") == 0) { + doubleBuffer = GL_FALSE; + } else if (strcmp(argv[i], "-db") == 0) { + doubleBuffer = GL_TRUE; + } else { + fprintf(stderr, "%s (Bad option).\n", argv[i]); + return GL_FALSE; + } + } + return GL_TRUE; +} + +int main(int argc, char **argv) +{ + GLenum type; + + glutInit(&argc, argv); + + if (Args(argc, argv) == GL_FALSE) { + exit(1); + } + + glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250); + + type = GLUT_RGB | GLUT_ALPHA; + type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE; + glutInitDisplayMode(type); + + if (glutCreateWindow("First Tri") == GL_FALSE) { + exit(1); + } + + Init(); + + glutReshapeFunc(Reshape); + glutKeyboardFunc(Key); + glutDisplayFunc(Draw); + glutMainLoop(); + return 0; +} diff --git a/progs/trivial/tri.c b/progs/trivial/tri.c index aa45adb6c2..d3c6b59ea5 100644 --- a/progs/trivial/tri.c +++ b/progs/trivial/tri.c @@ -57,16 +57,13 @@ static void Reshape(int width, int height) static void Key(unsigned char key, int x, int y) { - - switch (key) { - case 27: - glutDestroyWindow(win); - exit(0); - default: - return; - } - - glutPostRedisplay(); + switch (key) { + case 27: + exit(0); + default: + glutPostRedisplay(); + return; + } } static void Draw(void) diff --git a/progs/trivial/vp-tri-cb-pos.c b/progs/trivial/vp-tri-cb-pos.c new file mode 100644 index 0000000000..eb3aa0a8dc --- /dev/null +++ b/progs/trivial/vp-tri-cb-pos.c @@ -0,0 +1,156 @@ +/* Test glGenProgramsNV(), glIsProgramNV(), glLoadProgramNV() */ + +#include <stdio.h> +#include <assert.h> +#include <string.h> +#include <stdlib.h> +#include <math.h> +#define GL_GLEXT_PROTOTYPES +#include <GL/glut.h> + + + +GLenum doubleBuffer; + +static void Init(void) +{ + GLint errno; + GLuint prognum; + + static const char *prog1 = + "!!ARBvp1.0\n" + "PARAM Emission = state.material.emission; \n" + "PARAM Ambient = state.material.ambient; \n" + "PARAM Diffuse = state.material.diffuse; \n" + "PARAM Specular = state.material.specular; \n" + "DP4 result.position.x, Ambient, vertex.position;\n" + "DP4 result.position.y, Diffuse, vertex.position;\n" + "DP4 result.position.z, Specular, vertex.position;\n" + "DP4 result.position.w, Emission, vertex.position;\n" + "MOV result.color, vertex.color;\n" + "END\n"; + + const float Ambient[4] = { 0.0, 1.0, 0.0, 0.0 }; + const float Diffuse[4] = { 1.0, 0.0, 0.0, 0.0 }; + const float Specular[4] = { 0.0, 0.0, 1.0, 0.0 }; + const float Emission[4] = { 0.0, 0.0, 0.0, 1.0 }; + glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, Ambient); + glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, Diffuse); + glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, Specular); + glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, Emission); + + + glGenProgramsARB(1, &prognum); + + glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum); + glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB, + strlen(prog1), (const GLubyte *) prog1); + + assert(glIsProgramARB(prognum)); + errno = glGetError(); + printf("glGetError = %d\n", errno); + if (errno != GL_NO_ERROR) + { + GLint errorpos; + + glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos); + printf("errorpos: %d\n", errorpos); + printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB)); + } + + glEnable(GL_VERTEX_PROGRAM_NV); + +} + + +static void Reshape(int width, int height) +{ + + glViewport(0, 0, (GLint)width, (GLint)height); + + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); +/* glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0); */ + glMatrixMode(GL_MODELVIEW); +} + +static void Key(unsigned char key, int x, int y) +{ + + switch (key) { + case 27: + exit(1); + default: + return; + } + + glutPostRedisplay(); +} + +static void Draw(void) +{ + glClear(GL_COLOR_BUFFER_BIT); + + glBegin(GL_TRIANGLES); + glColor3f(0,0,.7); + glVertex3f( 0.9, -0.9, -0.0); + glColor3f(.8,0,0); + glVertex3f( 0.9, 0.9, -0.0); + glColor3f(0,.9,0); + glVertex3f(-0.9, 0.0, -0.0); + glEnd(); + + glFlush(); + + if (doubleBuffer) { + glutSwapBuffers(); + } +} + +static GLenum Args(int argc, char **argv) +{ + GLint i; + + doubleBuffer = GL_FALSE; + + for (i = 1; i < argc; i++) { + if (strcmp(argv[i], "-sb") == 0) { + doubleBuffer = GL_FALSE; + } else if (strcmp(argv[i], "-db") == 0) { + doubleBuffer = GL_TRUE; + } else { + fprintf(stderr, "%s (Bad option).\n", argv[i]); + return GL_FALSE; + } + } + return GL_TRUE; +} + +int main(int argc, char **argv) +{ + GLenum type; + + glutInit(&argc, argv); + + if (Args(argc, argv) == GL_FALSE) { + exit(1); + } + + glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250); + + type = GLUT_RGB | GLUT_ALPHA; + type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE; + glutInitDisplayMode(type); + + if (glutCreateWindow("First Tri") == GL_FALSE) { + exit(1); + } + + Init(); + + glutReshapeFunc(Reshape); + glutKeyboardFunc(Key); + glutDisplayFunc(Draw); + glutMainLoop(); + return 0; +} diff --git a/progs/trivial/vp-tri-cb-tex.c b/progs/trivial/vp-tri-cb-tex.c new file mode 100644 index 0000000000..1e99d5b6ab --- /dev/null +++ b/progs/trivial/vp-tri-cb-tex.c @@ -0,0 +1,189 @@ +/* Test glGenProgramsNV(), glIsProgramNV(), glLoadProgramNV() */ + +#include <stdio.h> +#include <assert.h> +#include <string.h> +#include <stdlib.h> +#include <math.h> +#define GL_GLEXT_PROTOTYPES +#include <GL/glut.h> + + + +GLenum doubleBuffer; + +static void Init(void) +{ + GLint errno; + GLuint prognum; + + static const char *prog1 = + "!!ARBvp1.0\n" + "PARAM Emission = state.material.emission; \n" + "PARAM Ambient = state.material.ambient; \n" + "PARAM Diffuse = state.material.diffuse; \n" + "PARAM Specular = state.material.specular; \n" + "DP4 result.position.x, Ambient, vertex.position;\n" + "DP4 result.position.y, Diffuse, vertex.position;\n" + "DP4 result.position.z, Specular, vertex.position;\n" + "DP4 result.position.w, Emission, vertex.position;\n" + "MOV result.texcoord[0], vertex.texcoord[0];\n" + "END\n"; + + const float Ambient[4] = { 0.0, 1.0, 0.0, 0.0 }; + const float Diffuse[4] = { 1.0, 0.0, 0.0, 0.0 }; + const float Specular[4] = { 0.0, 0.0, 1.0, 0.0 }; + const float Emission[4] = { 0.0, 0.0, 0.0, 1.0 }; + glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, Ambient); + glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, Diffuse); + glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, Specular); + glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, Emission); + + + glGenProgramsARB(1, &prognum); + + glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum); + glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB, + strlen(prog1), (const GLubyte *) prog1); + + assert(glIsProgramARB(prognum)); + errno = glGetError(); + printf("glGetError = %d\n", errno); + if (errno != GL_NO_ERROR) + { + GLint errorpos; + + glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos); + printf("errorpos: %d\n", errorpos); + printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB)); + } + + glEnable(GL_VERTEX_PROGRAM_NV); + +#define SIZE 32 + { + GLubyte tex2d[SIZE][SIZE][3]; + GLint s, t; + + for (s = 0; s < SIZE; s++) { + for (t = 0; t < SIZE; t++) { +#if 0 + tex2d[t][s][0] = (s < SIZE/2) ? 0 : 255; + tex2d[t][s][1] = (t < SIZE/2) ? 0 : 255; + tex2d[t][s][2] = 0; +#else + tex2d[t][s][0] = s*255/(SIZE-1); + tex2d[t][s][1] = t*255/(SIZE-1); + tex2d[t][s][2] = 0; +#endif + } + } + + glPixelStorei(GL_UNPACK_ALIGNMENT, 1); + + glTexImage2D(GL_TEXTURE_2D, 0, 3, SIZE, SIZE, 0, + GL_RGB, GL_UNSIGNED_BYTE, tex2d); + + glEnable(GL_TEXTURE_2D); + glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_REPEAT); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + + glPixelStorei(GL_UNPACK_ALIGNMENT, 4); + } + +} + + +static void Reshape(int width, int height) +{ + + glViewport(0, 0, (GLint)width, (GLint)height); + + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); +/* glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0); */ + glMatrixMode(GL_MODELVIEW); +} + +static void Key(unsigned char key, int x, int y) +{ + + switch (key) { + case 27: + exit(1); + default: + return; + } + + glutPostRedisplay(); +} + +static void Draw(void) +{ + glClear(GL_COLOR_BUFFER_BIT); + + glBegin(GL_TRIANGLES); + glTexCoord2f(1,-1); + glVertex3f( 0.9, -0.9, -0.0); + glTexCoord2f(1,1); + glVertex3f( 0.9, 0.9, -0.0); + glTexCoord2f(-1,0); + glVertex3f(-0.9, 0.0, -0.0); + glEnd(); + + glFlush(); + + if (doubleBuffer) { + glutSwapBuffers(); + } +} + +static GLenum Args(int argc, char **argv) +{ + GLint i; + + doubleBuffer = GL_FALSE; + + for (i = 1; i < argc; i++) { + if (strcmp(argv[i], "-sb") == 0) { + doubleBuffer = GL_FALSE; + } else if (strcmp(argv[i], "-db") == 0) { + doubleBuffer = GL_TRUE; + } else { + fprintf(stderr, "%s (Bad option).\n", argv[i]); + return GL_FALSE; + } + } + return GL_TRUE; +} + +int main(int argc, char **argv) +{ + GLenum type; + + glutInit(&argc, argv); + + if (Args(argc, argv) == GL_FALSE) { + exit(1); + } + + glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250); + + type = GLUT_RGB | GLUT_ALPHA; + type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE; + glutInitDisplayMode(type); + + if (glutCreateWindow("First Tri") == GL_FALSE) { + exit(1); + } + + Init(); + + glutReshapeFunc(Reshape); + glutKeyboardFunc(Key); + glutDisplayFunc(Draw); + glutMainLoop(); + return 0; +} diff --git a/progs/trivial/vp-tri-tex.c b/progs/trivial/vp-tri-tex.c new file mode 100644 index 0000000000..83ec1ef2e2 --- /dev/null +++ b/progs/trivial/vp-tri-tex.c @@ -0,0 +1,137 @@ +/* Test glGenProgramsNV(), glIsProgramNV(), glLoadProgramNV() */ + +#include <assert.h> +#include <string.h> +#include <stdio.h> +#include <stdlib.h> +#include <math.h> +#define GL_GLEXT_PROTOTYPES +#include <GL/glut.h> + +static void Init( void ) +{ + GLint errno; + GLuint prognum; + + static const char *prog1 = + "!!ARBvp1.0\n" + "MOV result.texcoord[0], vertex.texcoord[0];\n" + "MOV result.position, vertex.position;\n" + "END\n"; + + + glGenProgramsARB(1, &prognum); + + glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum); + glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB, + strlen(prog1), (const GLubyte *) prog1); + + assert(glIsProgramARB(prognum)); + errno = glGetError(); + printf("glGetError = %d\n", errno); + if (errno != GL_NO_ERROR) + { + GLint errorpos; + + glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos); + printf("errorpos: %d\n", errorpos); + printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB)); + } + +#define SIZE 32 + { + GLubyte tex2d[SIZE][SIZE][3]; + GLint s, t; + + for (s = 0; s < SIZE; s++) { + for (t = 0; t < SIZE; t++) { +#if 0 + tex2d[t][s][0] = (s < SIZE/2) ? 0 : 255; + tex2d[t][s][1] = (t < SIZE/2) ? 0 : 255; + tex2d[t][s][2] = 0; +#else + tex2d[t][s][0] = s*255/(SIZE-1); + tex2d[t][s][1] = t*255/(SIZE-1); + tex2d[t][s][2] = 0; +#endif + } + } + + glPixelStorei(GL_UNPACK_ALIGNMENT, 1); + + glTexImage2D(GL_TEXTURE_2D, 0, 3, SIZE, SIZE, 0, + GL_RGB, GL_UNSIGNED_BYTE, tex2d); + + glEnable(GL_TEXTURE_2D); + glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_REPEAT); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + + glPixelStorei(GL_UNPACK_ALIGNMENT, 4); + } + +} + +static void Display( void ) +{ + glClearColor(0.3, 0.3, 0.3, 1); + glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT ); + + glEnable(GL_VERTEX_PROGRAM_NV); + + glBegin(GL_TRIANGLES); + glTexCoord2f(1,-1); + glVertex3f( 0.9, -0.9, -0.0); + glTexCoord2f(1,1); + glVertex3f( 0.9, 0.9, -0.0); + glTexCoord2f(-1,0); + glVertex3f(-0.9, 0.0, -0.0); + glEnd(); + + + glFlush(); +} + + +static void Reshape( int width, int height ) +{ + glViewport( 0, 0, width, height ); + glMatrixMode( GL_PROJECTION ); + glLoadIdentity(); + glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0); + 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: + exit(0); + break; + } + glutPostRedisplay(); +} + + + + +int main( int argc, char *argv[] ) +{ + glutInit( &argc, argv ); + glutInitWindowPosition( 0, 0 ); + glutInitWindowSize( 250, 250 ); + glutInitDisplayMode( GLUT_DEPTH | GLUT_RGB | GLUT_SINGLE ); + glutCreateWindow(argv[0]); + glutReshapeFunc( Reshape ); + glutKeyboardFunc( Key ); + glutDisplayFunc( Display ); + Init(); + glutMainLoop(); + return 0; +} diff --git a/progs/vp/vp-tris.c b/progs/vp/vp-tris.c index 3fe35f7e3e..58014dd48d 100644 --- a/progs/vp/vp-tris.c +++ b/progs/vp/vp-tris.c @@ -155,6 +155,17 @@ static void Init( void ) printf("errorpos: %d\n", errorpos); printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB)); } + + { + const float Ambient[4] = { 0.0, 1.0, 0.0, 0.0 }; + const float Diffuse[4] = { 1.0, 0.0, 0.0, 0.0 }; + const float Specular[4] = { 0.0, 0.0, 1.0, 0.0 }; + const float Emission[4] = { 0.0, 0.0, 0.0, 1.0 }; + glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, Ambient); + glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, Diffuse); + glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, Specular); + glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, Emission); + } } diff --git a/progs/vp/xform.txt b/progs/vp/xform.txt new file mode 100644 index 0000000000..d1548f1f10 --- /dev/null +++ b/progs/vp/xform.txt @@ -0,0 +1,11 @@ +!!ARBvp1.0 +PARAM Emission = state.material.emission; +PARAM Ambient = state.material.ambient; +PARAM Diffuse = state.material.diffuse; +PARAM Specular = state.material.specular; +DP4 result.position.x, Ambient, vertex.position; +DP4 result.position.y, Diffuse, vertex.position; +DP4 result.position.z, Specular, vertex.position; +DP4 result.position.w, Emission, vertex.position; +MOV result.color, vertex.color; +END |