diff options
| -rw-r--r-- | progs/tests/copypixrate.c | 35 |
1 files changed, 33 insertions, 2 deletions
diff --git a/progs/tests/copypixrate.c b/progs/tests/copypixrate.c index e7620019dc..e9a42a1c8c 100644 --- a/progs/tests/copypixrate.c +++ b/progs/tests/copypixrate.c @@ -17,6 +17,9 @@ static GLint ImgWidth, ImgHeight; static GLenum Buffer = GL_FRONT; static GLenum AlphaTest = GL_FALSE; +static GLboolean UseBlit = GL_FALSE; + +static PFNGLBLITFRAMEBUFFEREXTPROC glBlitFramebufferEXT_func = NULL; /** @@ -98,8 +101,19 @@ RunTest(void) y = Rand(WinHeight); if (x > ImgWidth || y > ImgHeight) { - glWindowPos2iARB(x, y); - glCopyPixels(0, 0, ImgWidth, ImgHeight, GL_COLOR); +#ifdef GL_EXT_framebuffer_blit + if (UseBlit) + { + glBlitFramebufferEXT_func(0, 0, ImgWidth, ImgHeight, + x, y, x + ImgWidth, y + ImgHeight, + GL_COLOR_BUFFER_BIT, GL_LINEAR); + } + else +#endif + { + glWindowPos2iARB(x, y); + glCopyPixels(0, 0, ImgWidth, ImgHeight, GL_COLOR); + } glFinish(); /* XXX OK? */ iters++; @@ -197,6 +211,22 @@ ParseArgs(int argc, char *argv[]) Buffer = GL_BACK; else if (strcmp(argv[i], "-alpha") == 0) AlphaTest = GL_TRUE; + else if (strcmp(argv[i], "-blit") == 0) + UseBlit = GL_TRUE; + } +} + + +static void +Init(void) +{ + if (glutExtensionSupported("GL_EXT_framebuffer_blit")) { + glBlitFramebufferEXT_func = (PFNGLBLITFRAMEBUFFEREXTPROC) + glutGetProcAddress("glBlitFramebufferEXT"); + } + else if (UseBlit) { + printf("Warning: GL_EXT_framebuffer_blit not supported.\n"); + UseBlit = GL_FALSE; } } @@ -222,6 +252,7 @@ main(int argc, char *argv[]) printf("GL_RENDERER: %s\n", (char *) glGetString(GL_RENDERER)); printf("Draw Buffer: %s\n", (Buffer == GL_BACK) ? "Back" : "Front"); + Init(); glutMainLoop(); return 0; |