diff options
Diffstat (limited to 'progs/tests')
| -rw-r--r-- | progs/tests/fbotest1.c | 6 | ||||
| -rw-r--r-- | progs/tests/fbotest2.c | 52 | ||||
| -rw-r--r-- | progs/tests/fbotest3.c | 6 |
3 files changed, 46 insertions, 18 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); |