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author | Brian Paul <brian.paul@tungstengraphics.com> | 2008-08-28 15:22:44 -0600 |
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committer | Brian Paul <brian.paul@tungstengraphics.com> | 2008-08-28 15:22:44 -0600 |
commit | 380385ab7d0c1964464b40aeea237671189d19cb (patch) | |
tree | 5e47ddfef6798fbd3c7d526276549b0491d825ae /progs/trivial | |
parent | ee87d7d9ecc5eca261ce58115ae1ed2c273ceda6 (diff) | |
download | external_mesa3d-380385ab7d0c1964464b40aeea237671189d19cb.zip external_mesa3d-380385ab7d0c1964464b40aeea237671189d19cb.tar.gz external_mesa3d-380385ab7d0c1964464b40aeea237671189d19cb.tar.bz2 |
mesa: added test for very long fixed-function vertex programs
Diffstat (limited to 'progs/trivial')
-rw-r--r-- | progs/trivial/Makefile | 1 | ||||
-rw-r--r-- | progs/trivial/long-fixed-func.c | 151 |
2 files changed, 152 insertions, 0 deletions
diff --git a/progs/trivial/Makefile b/progs/trivial/Makefile index 786576c..d745fef 100644 --- a/progs/trivial/Makefile +++ b/progs/trivial/Makefile @@ -41,6 +41,7 @@ SOURCES = \ linestrip-stipple-wide.c \ linestrip-stipple.c \ linestrip.c \ + long-fixed-func.c \ pgon-mode.c \ point-clip.c \ point-param.c \ diff --git a/progs/trivial/long-fixed-func.c b/progs/trivial/long-fixed-func.c new file mode 100644 index 0000000..88f4fe0 --- /dev/null +++ b/progs/trivial/long-fixed-func.c @@ -0,0 +1,151 @@ +/** + * Enable as much fixed-function vertex processing state as possible + * to test fixed-function -> program code generation. + */ + + + +#define GL_GLEXT_PROTOTYPES +#include <stdio.h> +#include <string.h> +#include <stdlib.h> +#include <GL/glut.h> + + +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 +Draw(void) +{ + glClear(GL_COLOR_BUFFER_BIT); + + glBegin(GL_TRIANGLES); + glColor3f(.8,0,0); + glVertex3f(-0.9, -0.9, -30.0); + glColor3f(0,.9,0); + glVertex3f( 0.9, -0.9, -30.0); + glColor3f(0,0,.7); + glVertex3f( 0.0, 0.9, -30.0); + glEnd(); + + glFlush(); + + glutSwapBuffers(); +} + + +static void +Init(void) +{ + GLubyte tex[16][16][4]; + GLfloat pos[4] = {5, 10, 3, 1.0}; + int i, j; + + 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(0.3, 0.1, 0.3, 0.0); + + for (i = 0; i < 16; i++) { + for (j = 0; j < 16; j++) { + if ((i+j) & 1) { + tex[i][j][0] = 100; + tex[i][j][1] = 100; + tex[i][j][2] = 100; + tex[i][j][3] = 255; + } + else { + tex[i][j][0] = 200; + tex[i][j][1] = 200; + tex[i][j][2] = 200; + tex[i][j][3] = 255; + } + } + } + + + glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, 1); + glFogi(GL_FOG_MODE, GL_LINEAR); + glEnable(GL_FOG); + + glPointParameterfv(GL_DISTANCE_ATTENUATION_EXT, pos); + + for (i = 0; i < 8; i++) { + GLuint texObj; + + glEnable(GL_LIGHT0 + i); + glLightf(GL_LIGHT0 + i, GL_SPOT_EXPONENT, 3.5); + glLightf(GL_LIGHT0 + i, GL_SPOT_CUTOFF, 30.); + glLightf(GL_LIGHT0 + i, GL_CONSTANT_ATTENUATION, 3.); + glLightf(GL_LIGHT0 + i, GL_LINEAR_ATTENUATION, 3.); + glLightf(GL_LIGHT0 + i, GL_QUADRATIC_ATTENUATION, 3.); + glLightfv(GL_LIGHT0 + i, GL_POSITION, pos); + + glActiveTexture(GL_TEXTURE0 + i); + glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP); + glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP); + glTexGeni(GL_R, GL_TEXTURE_GEN_MODE, GL_EYE_LINEAR); + glTexGeni(GL_Q, GL_TEXTURE_GEN_MODE, GL_EYE_LINEAR); + glEnable(GL_TEXTURE_GEN_S); + glEnable(GL_TEXTURE_GEN_T); + glEnable(GL_TEXTURE_GEN_R); + glEnable(GL_TEXTURE_GEN_Q); + glEnable(GL_TEXTURE_2D); + + glMatrixMode(GL_TEXTURE); + glScalef(2.0, 1.0, 3.0); + + glGenTextures(1, &texObj); + glBindTexture(GL_TEXTURE_2D, texObj); + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 16, 16, 0, + GL_RGBA, GL_UNSIGNED_BYTE, tex); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); + } + + glEnable(GL_LIGHTING); + glActiveTexture(GL_TEXTURE0); + glMatrixMode(GL_MODELVIEW); +} + + +static void +Key(unsigned char key, int x, int y) +{ + if (key == 27) { + exit(0); + } + glutPostRedisplay(); +} + + +int +main(int argc, char **argv) +{ + GLenum type = GLUT_RGB | GLUT_DOUBLE; + + glutInit(&argc, argv); + glutInitWindowPosition(0, 0); + glutInitWindowSize( 250, 250); + glutInitDisplayMode(type); + if (glutCreateWindow("tri-long-fixedfunc") == GL_FALSE) { + exit(1); + } + glutReshapeFunc(Reshape); + glutKeyboardFunc(Key); + glutDisplayFunc(Draw); + Init(); + glutMainLoop(); + return 0; +} |