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-rw-r--r--progs/trivial/Makefile14
-rw-r--r--progs/trivial/point-param.c57
-rw-r--r--progs/trivial/quad-clip-nearplane.c43
-rw-r--r--progs/trivial/tri.c8
4 files changed, 76 insertions, 46 deletions
diff --git a/progs/trivial/Makefile b/progs/trivial/Makefile
index 786576cd13..01475f9e5c 100644
--- a/progs/trivial/Makefile
+++ b/progs/trivial/Makefile
@@ -8,7 +8,7 @@ TOP = ../..
include $(TOP)/configs/current
-LIBS = $(APP_LIB_DEPS)
+LIBS = -L$(TOP)/$(LIB_DIR) -l$(GLUT_LIB) -l$(GLU_LIB) -l$(GL_LIB) $(APP_LIB_DEPS)
SOURCES = \
clear-fbo-tex.c \
@@ -138,7 +138,7 @@ UTIL_FILES = readtex.h readtex.c
.SUFFIXES: .c
.c:
- $(CC) $(INCLUDES) $(CFLAGS) $< $(LIBS) -o $@
+ $(CC) $(INCLUDES) $(CFLAGS) $(LDFLAGS) $< $(LIBS) -o $@
.c.o:
$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
@@ -152,9 +152,9 @@ UTIL_FILES = readtex.h readtex.c
default: $(UTIL_FILES) $(PROGS)
clean:
- rm -f $(PROGS)
- rm -f *.o
- rm -f getproclist.h
+ -rm -f $(PROGS)
+ -rm -f *.o
+ -rm -f getproclist.h
# auto code generation
@@ -165,13 +165,13 @@ getproclist.h: $(TOP)/src/mesa/glapi/gl_API.xml getprocaddress.c getprocaddress.
texrect: texrect.o readtex.o
- $(CC) texrect.o readtex.o $(LIBS) -o $@
+ $(CC) $(CFLAGS) $(LDFLAGS) texrect.o readtex.o $(LIBS) -o $@
texrect.o: texrect.c readtex.h
$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
invert: invert.o readtex.o
- $(CC) invert.o readtex.o $(LIBS) -o $@
+ $(CC) $(CFLAGS) $(LDFLAGS) invert.o readtex.o $(LIBS) -o $@
invert.o: invert.c readtex.h
$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
diff --git a/progs/trivial/point-param.c b/progs/trivial/point-param.c
index be4328d999..96544a0525 100644
--- a/progs/trivial/point-param.c
+++ b/progs/trivial/point-param.c
@@ -22,15 +22,14 @@
* OF THIS SOFTWARE.
*/
+#define GL_GLEXT_PROTOTYPES
+#include <math.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <GL/glut.h>
-#define CI_OFFSET_1 16
-#define CI_OFFSET_2 32
-
GLenum doubleBuffer;
@@ -40,53 +39,63 @@ static void Init(void)
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);
+ glClearColor(0.0, 0.0, 1.0, 0.0);
}
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);
+ glOrtho(-1.0, 1.0, -1.0, 1.0, 0, 100.0);
glMatrixMode(GL_MODELVIEW);
}
static void Key(unsigned char key, int x, int y)
{
-
switch (key) {
- case 27:
+ case 27:
exit(1);
- default:
+ default:
return;
}
-
glutPostRedisplay();
}
+
+static float
+expected(float z, float size, const float atten[3])
+{
+ float dist = fabs(z);
+ const GLfloat q = atten[0] + dist * (atten[1] + dist * atten[2]);
+ const GLfloat a = sqrt(1.0 / q);
+ return size * a;
+}
+
+
static void Draw(void)
{
- static GLfloat theQuad[3] = { 0.25, 0.0, 1/60.0 };
+ static GLfloat atten[3] = { 0.0, 0.1, .01 };
+ float size = 40.0;
+ int i;
glClear(GL_COLOR_BUFFER_BIT);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
- glPointSize(8.0);
- glPointParameterfvARB(GL_POINT_DISTANCE_ATTENUATION_ARB, theQuad);
+ glPointSize(size);
+ glPointParameterfvARB(GL_POINT_DISTANCE_ATTENUATION_ARB, atten);
+ glColor3f(1,0,0);
+ printf("Expected point sizes:\n");
glBegin(GL_POINTS);
- glColor3f(1,0,0);
- glVertex3f( 0.9, -0.9, -10.0);
- glColor3f(1,1,0);
- glVertex3f( 0.9, 0.9, -5.0);
- glColor3f(1,0,1);
- glVertex3f(-0.9, 0.9, -30.0);
- glColor3f(0,1,1);
- glVertex3f(-0.9, -0.9, -20.0);
+ for (i = 0; i < 5; i++) {
+ float x = -0.8 + i * 0.4;
+ float z = -i * 20 - 10;
+ glVertex3f( x, 0.0, z);
+ printf(" %f\n", expected(z, size, atten));
+ }
glEnd();
glFlush();
@@ -96,6 +105,7 @@ static void Draw(void)
}
}
+
static GLenum Args(int argc, char **argv)
{
GLint i;
@@ -115,6 +125,7 @@ static GLenum Args(int argc, char **argv)
return GL_TRUE;
}
+
int main(int argc, char **argv)
{
GLenum type;
@@ -131,7 +142,7 @@ int main(int argc, char **argv)
type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
glutInitDisplayMode(type);
- if (glutCreateWindow("First Tri") == GL_FALSE) {
+ if (glutCreateWindow(argv[0]) == GL_FALSE) {
exit(1);
}
@@ -141,5 +152,5 @@ int main(int argc, char **argv)
glutKeyboardFunc(Key);
glutDisplayFunc(Draw);
glutMainLoop();
- return 0;
+ return 0;
}
diff --git a/progs/trivial/quad-clip-nearplane.c b/progs/trivial/quad-clip-nearplane.c
index e76eb29f89..1e8056c474 100644
--- a/progs/trivial/quad-clip-nearplane.c
+++ b/progs/trivial/quad-clip-nearplane.c
@@ -33,6 +33,7 @@
GLenum doubleBuffer;
+float Z = -6;
static void Init(void)
{
@@ -40,30 +41,36 @@ static void Init(void)
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);
+ fprintf(stderr, "Press z/Z to translate quad\n");
+
+ glClearColor(0.0, 0.0, 1.0, 0.0);
}
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);
+ glFrustum(-1.0, 1.0, -1.0, 1.0, 5, 100.0);
glMatrixMode(GL_MODELVIEW);
}
static void Key(unsigned char key, int x, int y)
{
-
switch (key) {
- case 27:
- exit(1);
- default:
- return;
+ case 'z':
+ Z += 0.5;
+ break;
+ case 'Z':
+ Z -= 0.5;
+ break;
+ case 27:
+ exit(1);
+ default:
+ return;
}
-
+ printf("Z = %f\n", Z);
glutPostRedisplay();
}
@@ -71,17 +78,22 @@ static void Draw(void)
{
glClear(GL_COLOR_BUFFER_BIT);
+ glPushMatrix();
+ glTranslatef(0, -0.5, Z);
+
glBegin(GL_QUADS);
glColor3f(1,0,0);
- glVertex3f( 0.9, -0.9, 30.0);
+ glVertex3f( -0.8, 0, -4.0);
glColor3f(1,1,0);
- glVertex3f( 0.9, 0.9, 30.0);
+ glVertex3f( 0.8, 0, -4.0);
glColor3f(1,0,1);
- glVertex3f(-1.9, 0.9, 30.0);
+ glVertex3f( 0.8, 0, 4.0);
glColor3f(0,1,1);
- glVertex3f(-1.9, -0.9, -30.0);
+ glVertex3f( -0.8, 0, 4.0);
glEnd();
+ glPopMatrix();
+
glFlush();
if (doubleBuffer) {
@@ -118,7 +130,8 @@ int main(int argc, char **argv)
exit(1);
}
- glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
+ glutInitWindowPosition(0, 0);
+ glutInitWindowSize( 250, 250);
type = GLUT_RGB | GLUT_ALPHA;
type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
@@ -134,5 +147,5 @@ int main(int argc, char **argv)
glutKeyboardFunc(Key);
glutDisplayFunc(Draw);
glutMainLoop();
- return 0;
+ return 0;
}
diff --git a/progs/trivial/tri.c b/progs/trivial/tri.c
index 12fa8d11b6..c75acb3a5a 100644
--- a/progs/trivial/tri.c
+++ b/progs/trivial/tri.c
@@ -33,6 +33,7 @@
GLenum doubleBuffer = 1;
+int win;
static void Init(void)
{
@@ -59,6 +60,10 @@ static void Key(unsigned char key, int x, int y)
switch (key) {
case 27:
+<<<<<<< HEAD:progs/trivial/tri.c
+ glutDestroyWindow(win);
+=======
+>>>>>>> gallium-0.1:progs/trivial/tri.c
exit(0);
default:
return;
@@ -120,7 +125,8 @@ int main(int argc, char **argv)
type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
glutInitDisplayMode(type);
- if (glutCreateWindow("First Tri") == GL_FALSE) {
+ win = glutCreateWindow("First Tri");
+ if (!win) {
exit(1);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-16 05:20:02 +0000