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-rw-r--r--progs/tests/fbotest1.c6
-rw-r--r--progs/tests/fbotest2.c52
-rw-r--r--progs/tests/fbotest3.c6
-rw-r--r--progs/tests/stencil_twoside.c85
4 files changed, 114 insertions, 35 deletions
diff --git a/progs/tests/fbotest1.c b/progs/tests/fbotest1.c
index 0cd7f95c35..a95fdff74c 100644
--- a/progs/tests/fbotest1.c
+++ b/progs/tests/fbotest1.c
@@ -36,8 +36,8 @@ Display( void )
/* draw to user framebuffer */
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, MyFB);
- glDrawBuffer(GL_COLOR_ATTACHMENT1_EXT);
- glReadBuffer(GL_COLOR_ATTACHMENT1_EXT);
+ glDrawBuffer(GL_COLOR_ATTACHMENT0_EXT);
+ glReadBuffer(GL_COLOR_ATTACHMENT0_EXT);
status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
if (status != GL_FRAMEBUFFER_COMPLETE_EXT) {
@@ -161,7 +161,7 @@ Init( void )
assert(i == MyFB);
CheckError(__LINE__);
- glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT1_EXT,
+ glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
GL_RENDERBUFFER_EXT, MyRB);
glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_RGB, Width, Height);
diff --git a/progs/tests/fbotest2.c b/progs/tests/fbotest2.c
index f9c506193f..faf0dd8748 100644
--- a/progs/tests/fbotest2.c
+++ b/progs/tests/fbotest2.c
@@ -33,15 +33,16 @@ CheckError(int line)
static void
Display( void )
{
- GLubyte *buffer = malloc(Width * Height * 4);
+ GLboolean copyPix = GL_FALSE;
+ GLboolean blitPix = GL_FALSE;
GLenum status;
CheckError(__LINE__);
/* draw to user framebuffer */
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, MyFB);
- glDrawBuffer(GL_COLOR_ATTACHMENT1_EXT);
- glReadBuffer(GL_COLOR_ATTACHMENT1_EXT);
+ glDrawBuffer(GL_COLOR_ATTACHMENT0_EXT);
+ glReadBuffer(GL_COLOR_ATTACHMENT0_EXT);
status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
if (status != GL_FRAMEBUFFER_COMPLETE_EXT) {
@@ -63,16 +64,43 @@ Display( void )
glutSolidTeapot(2.0);
glPopMatrix();
- /* read from user framebuffer */
- glReadPixels(0, 0, Width, Height, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
+ if (copyPix) {
+ glBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, MyFB);
+ glReadBuffer(GL_COLOR_ATTACHMENT0_EXT);
+ glBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, 0);
+ glDrawBuffer(GL_BACK);
- /* draw to window */
- glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
- glDisable(GL_DEPTH_TEST); /* in case window has depth buffer */
- glWindowPos2iARB(0, 0);
- glDrawPixels(Width, Height, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
+ glDisable(GL_DEPTH_TEST); /* in case window has depth buffer */
+
+ glWindowPos2iARB(0, 0);
+ glCopyPixels(0, 0, Width, Height, GL_COLOR);
+ }
+ else if (blitPix) {
+ glBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, MyFB);
+ glReadBuffer(GL_COLOR_ATTACHMENT0_EXT);
+ glBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, 0);
+ glDrawBuffer(GL_BACK);
+
+ glDisable(GL_DEPTH_TEST); /* in case window has depth buffer */
+
+ glBlitFramebufferEXT(0, 0, Width, Height,
+ 0, 0, Width, Height,
+ GL_COLOR_BUFFER_BIT, GL_NEAREST);
+ }
+ else {
+ GLubyte *buffer = malloc(Width * Height * 4);
+ /* read from user framebuffer */
+ glReadPixels(0, 0, Width, Height, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
+
+ /* draw to window */
+ glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+ glDisable(GL_DEPTH_TEST); /* in case window has depth buffer */
+ glWindowPos2iARB(0, 0);
+ glDrawPixels(Width, Height, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
+
+ free(buffer);
+ }
- free(buffer);
glutSwapBuffers();
CheckError(__LINE__);
}
@@ -163,7 +191,7 @@ Init( void )
glGenRenderbuffersEXT(1, &ColorRb);
glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, ColorRb);
assert(glIsRenderbufferEXT(ColorRb));
- glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT1_EXT,
+ glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
GL_RENDERBUFFER_EXT, ColorRb);
glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_RGB, Width, Height);
diff --git a/progs/tests/fbotest3.c b/progs/tests/fbotest3.c
index 8e288b38b8..c176f82d2b 100644
--- a/progs/tests/fbotest3.c
+++ b/progs/tests/fbotest3.c
@@ -50,8 +50,8 @@ Display( void )
/* draw to user framebuffer */
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, MyFB);
- glDrawBuffer(GL_COLOR_ATTACHMENT1_EXT);
- glReadBuffer(GL_COLOR_ATTACHMENT1_EXT);
+ glDrawBuffer(GL_COLOR_ATTACHMENT0_EXT);
+ glReadBuffer(GL_COLOR_ATTACHMENT0_EXT);
status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
if (status != GL_FRAMEBUFFER_COMPLETE_EXT) {
@@ -189,7 +189,7 @@ Init( void )
glGenRenderbuffersEXT(1, &ColorRb);
glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, ColorRb);
assert(glIsRenderbufferEXT(ColorRb));
- glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT1_EXT,
+ glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
GL_RENDERBUFFER_EXT, ColorRb);
glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_RGB, Width, Height);
diff --git a/progs/tests/stencil_twoside.c b/progs/tests/stencil_twoside.c
index 7d871e5877..1010139a20 100644
--- a/progs/tests/stencil_twoside.c
+++ b/progs/tests/stencil_twoside.c
@@ -26,7 +26,7 @@
* \file stencil_twoside.c
*
* Simple test of GL_ATI_separate_stencil (or the OGL 2.0 equivalent) functionality.
- * Four squares are drawn
+ * Five squares (or six if stencil wrap is available) are drawn
* with different stencil modes, but all should be rendered with the same
* final color.
*/
@@ -37,7 +37,7 @@
#include <GL/glut.h>
static int use20syntax = 1;
-static int Width = 550;
+static int Width = 650;
static int Height = 200;
static const GLfloat Near = 5.0, Far = 25.0;
@@ -70,7 +70,7 @@ static void Display( void )
*/
glDisable(GL_STENCIL_TEST);
- glTranslatef(-6.0, 0, 0);
+ glTranslatef(-7.0, 0, 0);
glBegin(GL_QUADS);
glColor3f( 0.5, 0.5, 0.5 );
glVertex2f(-1, -1);
@@ -85,6 +85,9 @@ static void Display( void )
/* Draw the first two squares using incr for the affected face
*/
+ /*************************************************************************
+ * 2nd square
+ */
if (use20syntax) {
stencil_func_separate(GL_FRONT, GL_ALWAYS, 0, ~0);
stencil_func_separate(GL_BACK, GL_ALWAYS, 0, ~0);
@@ -98,8 +101,8 @@ static void Display( void )
glTranslatef(3.0, 0, 0);
glBegin(GL_QUADS);
glColor3f( 0.9, 0.9, 0.9 );
- /* this should be front facing */
for ( i = 0 ; i < (max_stencil + 5) ; i++ ) {
+ /* this should be front facing */
glVertex2f(-1, -1);
glVertex2f( 1, -1);
glVertex2f( 1, 1);
@@ -107,6 +110,7 @@ static void Display( void )
}
glEnd();
+ /* stencil vals should be equal to max_stencil */
glStencilFunc(GL_EQUAL, max_stencil, ~0);
glBegin(GL_QUADS);
glColor3f( 0.5, 0.5, 0.5 );
@@ -116,6 +120,9 @@ static void Display( void )
glVertex2f(-1, 1);
glEnd();
+ /*************************************************************************
+ * 3rd square
+ */
if (use20syntax) {
stencil_func_separate(GL_FRONT, GL_ALWAYS, 0, ~0);
stencil_func_separate(GL_BACK, GL_ALWAYS, 0, ~0);
@@ -129,9 +136,8 @@ static void Display( void )
glTranslatef(3.0, 0, 0);
glBegin(GL_QUADS);
glColor3f( 0.9, 0.9, 0.9 );
-
- /* this should be back facing */
for ( i = 0 ; i < (max_stencil + 5) ; i++ ) {
+ /* this should be back facing */
glVertex2f(-1, -1);
glVertex2f(-1, 1);
glVertex2f( 1, 1);
@@ -139,6 +145,7 @@ static void Display( void )
}
glEnd();
+ /* stencil vals should be equal to max_stencil */
glStencilFunc(GL_EQUAL, max_stencil, ~0);
glBegin(GL_QUADS);
glColor3f( 0.5, 0.5, 0.5 );
@@ -148,6 +155,9 @@ static void Display( void )
glVertex2f(-1, 1);
glEnd();
+ /*************************************************************************
+ * 4th square
+ */
if (use20syntax) {
stencil_func_separate(GL_FRONT, GL_NEVER, 0, ~0);
stencil_func_separate(GL_BACK, GL_ALWAYS, 0, ~0);
@@ -161,15 +171,13 @@ static void Display( void )
glTranslatef(3.0, 0, 0);
glBegin(GL_QUADS);
glColor3f( 0.9, 0.9, 0.9 );
-
- /* this should be back facing */
for ( i = 0 ; i < (max_stencil + 5) ; i++ ) {
- /* this should be back facing */
+ /* this should be back facing */
glVertex2f(-1, -1);
glVertex2f(-1, 1);
glVertex2f( 1, 1);
glVertex2f( 1, -1);
- /* this should be front facing */
+ /* this should be front facing */
glVertex2f(-1, -1);
glVertex2f( 1, -1);
glVertex2f( 1, 1);
@@ -177,6 +185,7 @@ static void Display( void )
}
glEnd();
+ /* stencil vals should be equal to max_stencil */
glStencilFunc(GL_EQUAL, max_stencil, ~0);
glBegin(GL_QUADS);
glColor3f( 0.5, 0.5, 0.5 );
@@ -186,6 +195,9 @@ static void Display( void )
glVertex2f(-1, 1);
glEnd();
+ /*************************************************************************
+ * 5th square
+ */
if (use20syntax) {
stencil_func_separate(GL_FRONT, GL_ALWAYS, 0, ~0);
stencil_func_separate(GL_BACK, GL_ALWAYS, 0, ~0);
@@ -193,21 +205,19 @@ static void Display( void )
else {
stencil_func_separate_ati(GL_ALWAYS, GL_ALWAYS, 0, ~0);
}
- stencil_op_separate(GL_FRONT, GL_KEEP, GL_KEEP, GL_DECR);
- stencil_op_separate(GL_BACK, GL_KEEP, GL_KEEP, GL_INCR);
+ stencil_op_separate(GL_FRONT, GL_KEEP, GL_KEEP, GL_INCR);
+ stencil_op_separate(GL_BACK, GL_KEEP, GL_KEEP, GL_DECR);
glTranslatef(3.0, 0, 0);
glBegin(GL_QUADS);
glColor3f( 0.9, 0.9, 0.9 );
-
- /* this should be back facing */
for ( i = 0 ; i < (max_stencil + 5) ; i++ ) {
- /* this should be back facing */
+ /* this should be back facing */
glVertex2f(-1, -1);
glVertex2f(-1, 1);
glVertex2f( 1, 1);
glVertex2f( 1, -1);
- /* this should be front facing */
+ /* this should be front facing */
glVertex2f(-1, -1);
glVertex2f( 1, -1);
glVertex2f( 1, 1);
@@ -224,6 +234,47 @@ static void Display( void )
glVertex2f(-1, 1);
glEnd();
+ /*************************************************************************
+ * 6th square
+ */
+ if (glutExtensionSupported("GL_EXT_stencil_wrap")) {
+ if (use20syntax) {
+ stencil_func_separate(GL_FRONT, GL_ALWAYS, 0, ~0);
+ stencil_func_separate(GL_BACK, GL_ALWAYS, 0, ~0);
+ }
+ else {
+ stencil_func_separate_ati(GL_ALWAYS, GL_ALWAYS, 0, ~0);
+ }
+ stencil_op_separate(GL_FRONT, GL_KEEP, GL_KEEP, GL_KEEP);
+ stencil_op_separate(GL_BACK, GL_KEEP, GL_KEEP, GL_INCR_WRAP);
+
+ glTranslatef(3.0, 0, 0);
+ glBegin(GL_QUADS);
+ glColor3f( 0.9, 0.9, 0.9 );
+ for ( i = 0 ; i < (max_stencil + 5) ; i++ ) {
+ /* this should be back facing */
+ glVertex2f(-1, -1);
+ glVertex2f(-1, 1);
+ glVertex2f( 1, 1);
+ glVertex2f( 1, -1);
+ /* this should be front facing */
+ glVertex2f(-1, -1);
+ glVertex2f( 1, -1);
+ glVertex2f( 1, 1);
+ glVertex2f(-1, 1);
+ }
+ glEnd();
+
+ glStencilFunc(GL_EQUAL, 260 - 255, ~0);
+ glBegin(GL_QUADS);
+ glColor3f( 0.5, 0.5, 0.5 );
+ glVertex2f(-1, -1);
+ glVertex2f( 1, -1);
+ glVertex2f( 1, 1);
+ glVertex2f(-1, 1);
+ glEnd();
+ }
+
glPopMatrix();
glutSwapBuffers();
@@ -278,7 +329,7 @@ static void Init( void )
stencil_func_separate_ati = (PFNGLSTENCILFUNCSEPARATEATIPROC) glutGetProcAddress( "glStencilFuncSeparateATI" );
stencil_op_separate = (PFNGLSTENCILOPSEPARATEPROC) glutGetProcAddress( "glStencilOpSeparate" );
- printf("\nAll 5 squares should be the same color.\n");
+ printf("\nAll 5 (or 6) squares should be the same color.\n");
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-28 06:29:18 +0000