diff options
Diffstat (limited to 'progs/perf/copytex.c')
| -rw-r--r-- | progs/perf/copytex.c | 214 |
1 files changed, 0 insertions, 214 deletions
diff --git a/progs/perf/copytex.c b/progs/perf/copytex.c deleted file mode 100644 index f7a6b8aec3..0000000000 --- a/progs/perf/copytex.c +++ /dev/null @@ -1,214 +0,0 @@ -/* - * Copyright (C) 2009 VMware, Inc. All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * VMWARE BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/** - * Measure glCopyTex[Sub]Image() rate. - * Create a large, off-screen framebuffer object for rendering and - * copying the texture data from it since we can't make really large - * on-screen windows. - * - * Brian Paul - * 22 Sep 2009 - */ - -#include <string.h> -#include "glmain.h" -#include "common.h" - -int WinWidth = 100, WinHeight = 100; - -static GLuint VBO, FBO, RBO, Tex; - -const GLsizei MinSize = 16, MaxSize = 4096; -static GLsizei TexSize; - -static const GLboolean DrawPoint = GL_TRUE; -static const GLboolean TexSubImage4 = GL_FALSE; - -struct vertex -{ - GLfloat x, y, s, t; -}; - -static const struct vertex vertices[1] = { - { 0.0, 0.0, 0.5, 0.5 }, -}; - -#define VOFFSET(F) ((void *) offsetof(struct vertex, F)) - - -/** Called from test harness/main */ -void -PerfInit(void) -{ - const GLenum filter = GL_LINEAR; - GLenum stat; - - if (!PerfExtensionSupported("GL_EXT_framebuffer_object")) { - perf_printf("copytex: GL_EXT_framebuffer_object not supported\n"); - exit(0); - } - - /* setup VBO */ - glGenBuffersARB(1, &VBO); - glBindBufferARB(GL_ARRAY_BUFFER_ARB, VBO); - glBufferDataARB(GL_ARRAY_BUFFER_ARB, sizeof(vertices), - vertices, GL_STATIC_DRAW_ARB); - - glVertexPointer(2, GL_FLOAT, sizeof(struct vertex), VOFFSET(x)); - glTexCoordPointer(2, GL_FLOAT, sizeof(struct vertex), VOFFSET(s)); - glEnableClientState(GL_VERTEX_ARRAY); - glEnableClientState(GL_TEXTURE_COORD_ARRAY); - - /* setup texture */ - glGenTextures(1, &Tex); - glBindTexture(GL_TEXTURE_2D, Tex); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filter); - glEnable(GL_TEXTURE_2D); - - /* setup rbo */ - glGenRenderbuffersEXT(1, &RBO); - glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, RBO); - glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_RGBA, MaxSize, MaxSize); - - /* setup fbo */ - glGenFramebuffersEXT(1, &FBO); - glBindFramebufferEXT(GL_FRAMEBUFFER, FBO); - glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, - GL_COLOR_ATTACHMENT0_EXT, - GL_RENDERBUFFER_EXT, RBO); - - stat = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT); - if (stat != GL_FRAMEBUFFER_COMPLETE_EXT) { - perf_printf("fboswitch: Error: incomplete FBO!\n"); - exit(1); - } - - /* clear the FBO */ - glDrawBuffer(GL_COLOR_ATTACHMENT0_EXT); - glViewport(0, 0, MaxSize, MaxSize); - glClear(GL_COLOR_BUFFER_BIT); -} - - -static void -CopyTexImage(unsigned count) -{ - unsigned i; - for (i = 1; i < count; i++) { - /* draw something */ - if (DrawPoint) - glDrawArrays(GL_POINTS, 0, 1); - - /* copy whole texture */ - glCopyTexImage2D(GL_TEXTURE_2D, 0, - GL_RGBA, 0, 0, TexSize, TexSize, 0); - } - glFinish(); -} - - -static void -CopyTexSubImage(unsigned count) -{ - unsigned i; - for (i = 1; i < count; i++) { - /* draw something */ - if (DrawPoint) - glDrawArrays(GL_POINTS, 0, 1); - - /* copy sub texture */ - if (TexSubImage4) { - /* four sub-copies */ - GLsizei half = TexSize / 2; - /* lower-left */ - glCopyTexSubImage2D(GL_TEXTURE_2D, 0, - 0, 0, 0, 0, half, half); - /* lower-right */ - glCopyTexSubImage2D(GL_TEXTURE_2D, 0, - half, 0, half, 0, half, half); - /* upper-left */ - glCopyTexSubImage2D(GL_TEXTURE_2D, 0, - 0, half, 0, half, half, half); - /* upper-right */ - glCopyTexSubImage2D(GL_TEXTURE_2D, 0, - half, half, half, half, half, half); - } - else { - /* one big copy */ - glCopyTexSubImage2D(GL_TEXTURE_2D, 0, - 0, 0, 0, 0, TexSize, TexSize); - } - } - glFinish(); -} - - -/** Called from test harness/main */ -void -PerfNextRound(void) -{ -} - - -/** Called from test harness/main */ -void -PerfDraw(void) -{ - double rate, mbPerSec; - GLint sub, maxTexSize; - - glGetIntegerv(GL_MAX_TEXTURE_SIZE, &maxTexSize); - - /* loop over whole/sub tex copy */ - for (sub = 0; sub < 2; sub++) { - - /* loop over texture sizes */ - for (TexSize = MinSize; TexSize <= MaxSize; TexSize *= 4) { - - if (TexSize <= maxTexSize) { - GLint bytesPerImage = 4 * TexSize * TexSize; - - if (sub == 0) - rate = PerfMeasureRate(CopyTexImage); - else { - /* setup empty dest texture */ - glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, - TexSize, TexSize, 0, - GL_RGBA, GL_UNSIGNED_BYTE, NULL); - rate = PerfMeasureRate(CopyTexSubImage); - } - - mbPerSec = rate * bytesPerImage / (1024.0 * 1024.0); - } - else { - rate = 0.0; - mbPerSec = 0.0; - } - - perf_printf(" glCopyTex%sImage(%d x %d): %.1f copies/sec, %.1f Mpixels/sec\n", - (sub ? "Sub" : ""), TexSize, TexSize, rate, mbPerSec); - } - } - - exit(0); -} |