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-rw-r--r--progs/trivial/Makefile17
-rw-r--r--progs/trivial/long-fixed-func.c151
-rw-r--r--progs/trivial/tri-z.c45
3 files changed, 204 insertions, 9 deletions
diff --git a/progs/trivial/Makefile b/progs/trivial/Makefile
index 01475f9e5c2..95223e45b94 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 \
@@ -138,13 +139,13 @@ UTIL_FILES = readtex.h readtex.c
.SUFFIXES: .c
.c:
- $(CC) $(INCLUDES) $(CFLAGS) $(LDFLAGS) $< $(LIBS) -o $@
+ $(APP_CC) $(INCLUDES) $(CFLAGS) $(LDFLAGS) $< $(LIBS) -o $@
.c.o:
- $(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+ $(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
.S.o:
- $(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+ $(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
##### TARGETS #####
@@ -165,19 +166,19 @@ getproclist.h: $(TOP)/src/mesa/glapi/gl_API.xml getprocaddress.c getprocaddress.
texrect: texrect.o readtex.o
- $(CC) $(CFLAGS) $(LDFLAGS) texrect.o readtex.o $(LIBS) -o $@
+ $(APP_CC) $(CFLAGS) $(LDFLAGS) texrect.o readtex.o $(LIBS) -o $@
texrect.o: texrect.c readtex.h
- $(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+ $(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
invert: invert.o readtex.o
- $(CC) $(CFLAGS) $(LDFLAGS) invert.o readtex.o $(LIBS) -o $@
+ $(APP_CC) $(CFLAGS) $(LDFLAGS) invert.o readtex.o $(LIBS) -o $@
invert.o: invert.c readtex.h
- $(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+ $(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
readtex.o: readtex.c
- $(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+ $(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
readtex.h: $(TOP)/progs/util/readtex.h
diff --git a/progs/trivial/long-fixed-func.c b/progs/trivial/long-fixed-func.c
new file mode 100644
index 00000000000..88f4fe01ec8
--- /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;
+}
diff --git a/progs/trivial/tri-z.c b/progs/trivial/tri-z.c
index ae25900a358..335d2b90e2b 100644
--- a/progs/trivial/tri-z.c
+++ b/progs/trivial/tri-z.c
@@ -37,9 +37,36 @@
#include <GL/glut.h>
#include <stdlib.h>
+#include <stdio.h>
static int leftFirst = GL_TRUE;
+static struct { GLenum func; const char *str; } funcs[] =
+ {
+ { GL_LESS, "GL_LESS" },
+ { GL_LEQUAL, "GL_LEQUAL" },
+ { GL_GREATER, "GL_GREATER" },
+ { GL_GEQUAL, "GL_GEQUAL" },
+ { GL_EQUAL, "GL_EQUAL" },
+ { GL_NOTEQUAL, "GL_NOTEQUAL" },
+ { GL_ALWAYS, "GL_ALWAYS" },
+ { GL_NEVER, "GL_NEVER" },
+ };
+
+#define NUM_FUNCS (sizeof(funcs) / sizeof(funcs[0]))
+
+static int curFunc = 0;
+static double clearVal = 1.0;
+
+
+static void usage(void)
+{
+ printf("t - toggle rendering order of triangles\n");
+ printf("c - toggle Z clear value between 0, 1\n");
+ printf("f - cycle through depth test functions\n");
+}
+
+
static void init(void)
{
glEnable(GL_DEPTH_TEST);
@@ -70,6 +97,11 @@ static void drawRightTriangle(void)
void display(void)
{
+ printf("GL_CLEAR_DEPTH = %f GL_DEPTH_FUNC = %s\n",
+ clearVal, funcs[curFunc].str);
+ glClearDepth(clearVal);
+ glDepthFunc(funcs[curFunc].func);
+
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
if (leftFirst) {
@@ -99,6 +131,16 @@ void reshape(int w, int h)
void keyboard(unsigned char key, int x, int y)
{
switch (key) {
+ case 'c':
+ case 'C':
+ clearVal = 1.0 - clearVal;
+ glutPostRedisplay();
+ break;
+ case 'f':
+ case 'F':
+ curFunc = (curFunc + 1) % NUM_FUNCS;
+ glutPostRedisplay();
+ break;
case 't':
case 'T':
leftFirst = !leftFirst;
@@ -122,10 +164,11 @@ int main(int argc, char** argv)
glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
glutInitWindowSize (200, 200);
glutCreateWindow (argv[0]);
- init();
glutReshapeFunc (reshape);
glutKeyboardFunc (keyboard);
glutDisplayFunc (display);
+ init();
+ usage();
glutMainLoop();
return 0;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-27 11:07:19 +0000