mesa: Branch 'vbo-0.2'
Keith Whitwell
keithw at kemper.freedesktop.org
Tue Jan 30 19:21:35 UTC 2007
progs/trivial/Makefile | 6 +
progs/trivial/drawarrays.c | 127 ++++++++++++++++++++++++++++++++++
progs/trivial/drawelements.c | 120 ++++++++++++++++++++++++++++++++
progs/trivial/drawrange.c | 118 +++++++++++++++++++++++++++++++
progs/trivial/vbo-drawarrays.c | 133 +++++++++++++++++++++++++++++++++++
progs/trivial/vbo-drawelements.c | 137 ++++++++++++++++++++++++++++++++++++
progs/trivial/vbo-drawrange.c | 145 +++++++++++++++++++++++++++++++++++++++
7 files changed, 786 insertions(+)
New commits:
diff-tree 48c638b6712734a09b6d8632045b0e905195e345 (from 38e9f8b6f297bafba639ce192fc9926c8e890271)
Author: Keith Whitwell <keith at tungstengraphics.com>
Date: Tue Jan 30 19:19:51 2007 +0000
New tests for the array functions which also provoke rebasing.
diff --git a/progs/trivial/Makefile b/progs/trivial/Makefile
index c8aeba0..341c115 100644
--- a/progs/trivial/Makefile
+++ b/progs/trivial/Makefile
@@ -47,6 +47,9 @@ SOURCES = \
dlist-edgeflag.c \
dlist-dangling.c \
dlist-edgeflag-dangling.c \
+ drawrange.c \
+ drawelements.c \
+ drawarrays.c \
tri-blend.c \
tri-tex-3d.c \
tri-clip.c \
@@ -63,6 +66,9 @@ SOURCES = \
tri.c \
tristrip-clip.c \
tristrip.c \
+ vbo-drawrange.c \
+ vbo-drawelements.c \
+ vbo-drawarrays.c \
vp-clip.c \
vp-tri.c \
vp-line-clip.c \
diff --git a/progs/trivial/drawarrays.c b/progs/trivial/drawarrays.c
new file mode 100644
index 0000000..596eee9
--- /dev/null
+++ b/progs/trivial/drawarrays.c
@@ -0,0 +1,127 @@
+/* Basic VBO */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+
+struct {
+ GLfloat pos[3];
+ GLubyte color[4];
+} verts[] =
+{
+ { { 0.9, -0.9, 0.0 },
+ { 0x00, 0x00, 0xff, 0x00 }
+ },
+
+ { { 0.9, 0.9, 0.0 },
+ { 0x00, 0xff, 0x00, 0x00 }
+ },
+
+ { { -0.9, 0.9, 0.0 },
+ { 0xff, 0x00, 0x00, 0x00 }
+ },
+
+ { { -0.9, -0.9, 0.0 },
+ { 0xff, 0xff, 0xff, 0x00 }
+ },
+};
+
+static void Init( void )
+{
+ GLint errno;
+ GLuint prognum;
+
+ static const char *prog1 =
+ "!!ARBvp1.0\n"
+ "MOV result.color, vertex.color;\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));
+ }
+
+
+ glEnableClientState( GL_VERTEX_ARRAY );
+ glEnableClientState( GL_COLOR_ARRAY );
+
+ glVertexPointer( 3, GL_FLOAT, sizeof(verts[0]), verts[0].pos );
+ glColorPointer( 4, GL_UNSIGNED_BYTE, sizeof(verts[0]), verts[0].color );
+
+}
+
+
+
+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_ARB);
+
+// glDrawArrays( GL_TRIANGLES, 0, 3 );
+ glDrawArrays( GL_TRIANGLES, 1, 3 );
+
+ 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_RGB | GLUT_SINGLE | GLUT_DEPTH );
+ glutCreateWindow(argv[0]);
+ glutReshapeFunc( Reshape );
+ glutKeyboardFunc( Key );
+ glutDisplayFunc( Display );
+ Init();
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/trivial/drawelements.c b/progs/trivial/drawelements.c
new file mode 100644
index 0000000..e0c8e80
--- /dev/null
+++ b/progs/trivial/drawelements.c
@@ -0,0 +1,120 @@
+/* Test rebasing */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+GLfloat verts[][4] = {
+ { 0.9, -0.9, 0.0, 1.0 },
+ { 0.9, 0.9, 0.0, 1.0 },
+ { -0.9, 0.9, 0.0, 1.0 },
+ { -0.9, -0.9, 0.0, 1.0 },
+};
+
+GLubyte color[][4] = {
+ { 0x00, 0x00, 0xff, 0x00 },
+ { 0x00, 0xff, 0x00, 0x00 },
+ { 0xff, 0x00, 0x00, 0x00 },
+ { 0xff, 0xff, 0xff, 0x00 },
+};
+
+GLuint indices[] = { 1, 2, 3 };
+
+static void Init( void )
+{
+ GLint errno;
+ GLuint prognum;
+
+ static const char *prog1 =
+ "!!ARBvp1.0\n"
+ "MOV result.color, vertex.color;\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));
+ }
+
+
+ glEnableClientState( GL_VERTEX_ARRAY );
+ glEnableClientState( GL_COLOR_ARRAY );
+ glVertexPointer( 3, GL_FLOAT, sizeof(verts[0]), verts );
+ glColorPointer( 4, GL_UNSIGNED_BYTE, 0, color );
+
+}
+
+
+
+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);
+
+ /* Should have min_index == 1, maybe force a rebase:
+ */
+ glDrawElements( GL_TRIANGLES, 3, GL_UNSIGNED_INT, indices );
+
+ 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_RGB | GLUT_SINGLE | GLUT_DEPTH );
+ glutCreateWindow(argv[0]);
+ glutReshapeFunc( Reshape );
+ glutKeyboardFunc( Key );
+ glutDisplayFunc( Display );
+ Init();
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/trivial/drawrange.c b/progs/trivial/drawrange.c
new file mode 100644
index 0000000..9c787cb
--- /dev/null
+++ b/progs/trivial/drawrange.c
@@ -0,0 +1,118 @@
+/* Test rebasing */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+GLfloat verts[][4] = {
+ { 0.9, -0.9, 0.0, 1.0 },
+ { 0.9, 0.9, 0.0, 1.0 },
+ { -0.9, 0.9, 0.0, 1.0 },
+ { -0.9, -0.9, 0.0, 1.0 },
+};
+
+GLubyte color[][4] = {
+ { 0x00, 0x00, 0xff, 0x00 },
+ { 0x00, 0xff, 0x00, 0x00 },
+ { 0xff, 0x00, 0x00, 0x00 },
+ { 0xff, 0xff, 0xff, 0x00 },
+};
+
+GLuint indices[] = { 1, 2, 3 };
+
+static void Init( void )
+{
+ GLint errno;
+ GLuint prognum;
+
+ static const char *prog1 =
+ "!!ARBvp1.0\n"
+ "MOV result.color, vertex.color;\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));
+ }
+
+
+ glEnableClientState( GL_VERTEX_ARRAY );
+ glEnableClientState( GL_COLOR_ARRAY );
+ glVertexPointer( 3, GL_FLOAT, sizeof(verts[0]), verts );
+ glColorPointer( 4, GL_UNSIGNED_BYTE, 0, color );
+
+}
+
+
+
+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);
+
+ glDrawRangeElements( GL_TRIANGLES, 1, 3, 3, GL_UNSIGNED_INT, indices );
+
+ 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_RGB | GLUT_SINGLE | GLUT_DEPTH );
+ glutCreateWindow(argv[0]);
+ glutReshapeFunc( Reshape );
+ glutKeyboardFunc( Key );
+ glutDisplayFunc( Display );
+ Init();
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/trivial/vbo-drawarrays.c b/progs/trivial/vbo-drawarrays.c
new file mode 100644
index 0000000..fb59009
--- /dev/null
+++ b/progs/trivial/vbo-drawarrays.c
@@ -0,0 +1,133 @@
+/* Basic VBO */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+
+struct {
+ GLfloat pos[3];
+ GLubyte color[4];
+} verts[] =
+{
+ { { 0.9, -0.9, 0.0 },
+ { 0x00, 0x00, 0xff, 0x00 }
+ },
+
+ { { 0.9, 0.9, 0.0 },
+ { 0x00, 0xff, 0x00, 0x00 }
+ },
+
+ { { -0.9, 0.9, 0.0 },
+ { 0xff, 0x00, 0x00, 0x00 }
+ },
+
+ { { -0.9, -0.9, 0.0 },
+ { 0xff, 0xff, 0xff, 0x00 }
+ },
+};
+
+GLuint arrayObj, elementObj;
+
+static void Init( void )
+{
+ GLint errno;
+ GLuint prognum;
+
+ static const char *prog1 =
+ "!!ARBvp1.0\n"
+ "MOV result.color, vertex.color;\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));
+ }
+
+
+ glEnableClientState( GL_VERTEX_ARRAY );
+ glEnableClientState( GL_COLOR_ARRAY );
+
+ glGenBuffersARB(1, &arrayObj);
+ glBindBufferARB(GL_ARRAY_BUFFER_ARB, arrayObj);
+ glBufferDataARB(GL_ARRAY_BUFFER_ARB, sizeof(verts), verts, GL_STATIC_DRAW_ARB);
+
+ glVertexPointer( 3, GL_FLOAT, sizeof(verts[0]), 0 );
+ glColorPointer( 4, GL_UNSIGNED_BYTE, sizeof(verts[0]), (void *)(3*sizeof(float)) );
+
+}
+
+
+
+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_ARB);
+
+// glDrawArrays( GL_TRIANGLES, 0, 3 );
+ glDrawArrays( GL_TRIANGLES, 1, 3 );
+
+ 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_RGB | GLUT_SINGLE | GLUT_DEPTH );
+ glutCreateWindow(argv[0]);
+ glutReshapeFunc( Reshape );
+ glutKeyboardFunc( Key );
+ glutDisplayFunc( Display );
+ Init();
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/trivial/vbo-drawelements.c b/progs/trivial/vbo-drawelements.c
new file mode 100644
index 0000000..dddb456
--- /dev/null
+++ b/progs/trivial/vbo-drawelements.c
@@ -0,0 +1,137 @@
+/* Basic VBO */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+struct {
+ GLfloat pos[3];
+ GLubyte color[4];
+} verts[] =
+{
+ { { 0.9, -0.9, 0.0 },
+ { 0x00, 0x00, 0xff, 0x00 }
+ },
+
+ { { 0.9, 0.9, 0.0 },
+ { 0x00, 0xff, 0x00, 0x00 }
+ },
+
+ { { -0.9, 0.9, 0.0 },
+ { 0xff, 0x00, 0x00, 0x00 }
+ },
+
+ { { -0.9, -0.9, 0.0 },
+ { 0xff, 0xff, 0xff, 0x00 }
+ },
+};
+
+GLuint indices[] = { 0, 1, 2, 3 };
+
+GLuint arrayObj, elementObj;
+
+static void Init( void )
+{
+ GLint errno;
+ GLuint prognum;
+
+ static const char *prog1 =
+ "!!ARBvp1.0\n"
+ "MOV result.color, vertex.color;\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));
+ }
+
+
+ glEnableClientState( GL_VERTEX_ARRAY );
+ glEnableClientState( GL_COLOR_ARRAY );
+
+ glGenBuffersARB(1, &arrayObj);
+ glGenBuffersARB(1, &elementObj);
+
+ glBindBufferARB(GL_ARRAY_BUFFER_ARB, arrayObj);
+ glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, elementObj);
+
+ glBufferDataARB(GL_ARRAY_BUFFER_ARB, sizeof(verts), verts, GL_STATIC_DRAW_ARB);
+ glBufferDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB, sizeof(indices), indices, GL_STATIC_DRAW_ARB);
+
+ glVertexPointer( 3, GL_FLOAT, sizeof(verts[0]), 0 );
+ glColorPointer( 4, GL_UNSIGNED_BYTE, sizeof(verts[0]), (void *)(3*sizeof(float)) );
+
+}
+
+
+
+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_ARB);
+ glDrawElements( GL_TRIANGLES, 3, GL_UNSIGNED_INT, NULL );
+
+ 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_RGB | GLUT_SINGLE | GLUT_DEPTH );
+ glutCreateWindow(argv[0]);
+ glutReshapeFunc( Reshape );
+ glutKeyboardFunc( Key );
+ glutDisplayFunc( Display );
+ Init();
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/trivial/vbo-drawrange.c b/progs/trivial/vbo-drawrange.c
new file mode 100644
index 0000000..407b754
--- /dev/null
+++ b/progs/trivial/vbo-drawrange.c
@@ -0,0 +1,145 @@
+/* Basic VBO */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+#define ELTOBJ 0
+
+struct {
+ GLfloat pos[3];
+ GLubyte color[4];
+} verts[] =
+{
+ { { 0.9, -0.9, 0.0 },
+ { 0x00, 0x00, 0xff, 0x00 }
+ },
+
+ { { 0.9, 0.9, 0.0 },
+ { 0x00, 0xff, 0x00, 0x00 }
+ },
+
+ { { -0.9, 0.9, 0.0 },
+ { 0xff, 0x00, 0x00, 0x00 }
+ },
+
+ { { -0.9, -0.9, 0.0 },
+ { 0xff, 0xff, 0xff, 0x00 }
+ },
+};
+
+GLuint indices[] = { 1, 2, 3 };
+
+GLuint arrayObj, elementObj;
+
+static void Init( void )
+{
+ GLint errno;
+ GLuint prognum;
+
+ static const char *prog1 =
+ "!!ARBvp1.0\n"
+ "MOV result.color, vertex.color;\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));
+ }
+
+
+ glEnableClientState( GL_VERTEX_ARRAY );
+ glEnableClientState( GL_COLOR_ARRAY );
+
+ glGenBuffersARB(1, &arrayObj);
+ glBindBufferARB(GL_ARRAY_BUFFER_ARB, arrayObj);
+ glBufferDataARB(GL_ARRAY_BUFFER_ARB, sizeof(verts), verts, GL_STATIC_DRAW_ARB);
+
+#if ELTOBJ
+ glGenBuffersARB(1, &elementObj);
+ glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, elementObj);
+ glBufferDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB, sizeof(indices), indices, GL_STATIC_DRAW_ARB);
+#endif
+
+ glVertexPointer( 3, GL_FLOAT, sizeof(verts[0]), 0 );
+ glColorPointer( 4, GL_UNSIGNED_BYTE, sizeof(verts[0]), (void *)(3*sizeof(float)) );
+
+}
+
+
+
+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_ARB);
+
+#if ELTOBJ
+ glDrawRangeElements( GL_TRIANGLES, 1, 3, 3, GL_UNSIGNED_INT, NULL );
+#else
+ glDrawRangeElements( GL_TRIANGLES, 1, 3, 3, GL_UNSIGNED_INT, indices );
+#endif
+
+ 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_RGB | GLUT_SINGLE | GLUT_DEPTH );
+ glutCreateWindow(argv[0]);
+ glutReshapeFunc( Reshape );
+ glutKeyboardFunc( Key );
+ glutDisplayFunc( Display );
+ Init();
+ glutMainLoop();
+ return 0;
+}
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