diff options
Diffstat (limited to 'progs/perf/vbo.c')
-rw-r--r-- | progs/perf/vbo.c | 276 |
1 files changed, 138 insertions, 138 deletions
diff --git a/progs/perf/vbo.c b/progs/perf/vbo.c index 8545a33b7e3..dba7e4515ba 100644 --- a/progs/perf/vbo.c +++ b/progs/perf/vbo.c @@ -1,138 +1,138 @@ -/*
- * 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 VBO upload speed.
- * That is, measure glBufferDataARB() and glBufferSubDataARB().
- *
- * Brian Paul
- * 16 Sep 2009
- */
-
-#include <string.h>
-#include "glmain.h"
-#include "common.h"
-
-
-int WinWidth = 100, WinHeight = 100;
-
-static GLuint VBO;
-
-static GLsizei VBOSize = 0;
-static GLubyte *VBOData = NULL;
-
-static const GLboolean DrawPoint = GL_TRUE;
-static const GLboolean BufferSubDataInHalves = GL_TRUE;
-
-static const GLfloat Vertex0[2] = { 0.0, 0.0 };
-
-
-/** Called from test harness/main */
-void
-PerfInit(void)
-{
- /* setup VBO */
- glGenBuffersARB(1, &VBO);
- glBindBufferARB(GL_ARRAY_BUFFER_ARB, VBO);
- glVertexPointer(2, GL_FLOAT, sizeof(Vertex0), (void *) 0);
- glEnableClientState(GL_VERTEX_ARRAY);
-}
-
-
-static void
-UploadVBO(unsigned count)
-{
- unsigned i;
- for (i = 0; i < count; i++) {
- glBufferDataARB(GL_ARRAY_BUFFER, VBOSize, VBOData, GL_STREAM_DRAW_ARB);
-
- if (DrawPoint)
- glDrawArrays(GL_POINTS, 0, 1);
- }
- glFinish();
-}
-
-
-static void
-UploadSubVBO(unsigned count)
-{
- unsigned i;
- for (i = 0; i < count; i++) {
- if (BufferSubDataInHalves) {
- GLsizei half = VBOSize / 2;
- glBufferSubDataARB(GL_ARRAY_BUFFER, 0, half, VBOData);
- glBufferSubDataARB(GL_ARRAY_BUFFER, half, half, VBOData + half);
- }
- else {
- glBufferSubDataARB(GL_ARRAY_BUFFER, 0, VBOSize, VBOData);
- }
-
- if (DrawPoint)
- glDrawArrays(GL_POINTS, 0, 1);
- }
- glFinish();
-}
-
-
-static const GLsizei Sizes[] = {
- 64,
- 1024,
- 16*1024,
- 256*1024,
- 1024*1024,
- 16*1024*1024,
- 0 /* end of list */
-};
-
-
-/** Called from test harness/main */
-void
-PerfDraw(void)
-{
- double rate, mbPerSec;
- int sub, sz;
-
- /* loop over whole/sub buffer upload */
- for (sub = 0; sub < 2; sub++) {
-
- /* loop over VBO sizes */
- for (sz = 0; Sizes[sz]; sz++) {
- VBOSize = Sizes[sz];
-
- VBOData = malloc(VBOSize);
- memcpy(VBOData, Vertex0, sizeof(Vertex0));
-
- if (sub)
- rate = PerfMeasureRate(UploadSubVBO);
- else
- rate = PerfMeasureRate(UploadVBO);
-
- mbPerSec = rate * VBOSize / (1024.0 * 1024.0);
-
- printf(" glBuffer%sDataARB(size = %d): %.1f MB/sec\n",
- (sub ? "Sub" : ""), VBOSize, mbPerSec);
-
- free(VBOData);
- }
- }
-
- exit(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 VBO upload speed. + * That is, measure glBufferDataARB() and glBufferSubDataARB(). + * + * Brian Paul + * 16 Sep 2009 + */ + +#include <string.h> +#include "glmain.h" +#include "common.h" + + +int WinWidth = 100, WinHeight = 100; + +static GLuint VBO; + +static GLsizei VBOSize = 0; +static GLubyte *VBOData = NULL; + +static const GLboolean DrawPoint = GL_TRUE; +static const GLboolean BufferSubDataInHalves = GL_TRUE; + +static const GLfloat Vertex0[2] = { 0.0, 0.0 }; + + +/** Called from test harness/main */ +void +PerfInit(void) +{ + /* setup VBO */ + glGenBuffersARB(1, &VBO); + glBindBufferARB(GL_ARRAY_BUFFER_ARB, VBO); + glVertexPointer(2, GL_FLOAT, sizeof(Vertex0), (void *) 0); + glEnableClientState(GL_VERTEX_ARRAY); +} + + +static void +UploadVBO(unsigned count) +{ + unsigned i; + for (i = 0; i < count; i++) { + glBufferDataARB(GL_ARRAY_BUFFER, VBOSize, VBOData, GL_STREAM_DRAW_ARB); + + if (DrawPoint) + glDrawArrays(GL_POINTS, 0, 1); + } + glFinish(); +} + + +static void +UploadSubVBO(unsigned count) +{ + unsigned i; + for (i = 0; i < count; i++) { + if (BufferSubDataInHalves) { + GLsizei half = VBOSize / 2; + glBufferSubDataARB(GL_ARRAY_BUFFER, 0, half, VBOData); + glBufferSubDataARB(GL_ARRAY_BUFFER, half, half, VBOData + half); + } + else { + glBufferSubDataARB(GL_ARRAY_BUFFER, 0, VBOSize, VBOData); + } + + if (DrawPoint) + glDrawArrays(GL_POINTS, 0, 1); + } + glFinish(); +} + + +static const GLsizei Sizes[] = { + 64, + 1024, + 16*1024, + 256*1024, + 1024*1024, + 16*1024*1024, + 0 /* end of list */ +}; + + +/** Called from test harness/main */ +void +PerfDraw(void) +{ + double rate, mbPerSec; + int sub, sz; + + /* loop over whole/sub buffer upload */ + for (sub = 0; sub < 2; sub++) { + + /* loop over VBO sizes */ + for (sz = 0; Sizes[sz]; sz++) { + VBOSize = Sizes[sz]; + + VBOData = malloc(VBOSize); + memcpy(VBOData, Vertex0, sizeof(Vertex0)); + + if (sub) + rate = PerfMeasureRate(UploadSubVBO); + else + rate = PerfMeasureRate(UploadVBO); + + mbPerSec = rate * VBOSize / (1024.0 * 1024.0); + + printf(" glBuffer%sDataARB(size = %d): %.1f MB/sec\n", + (sub ? "Sub" : ""), VBOSize, mbPerSec); + + free(VBOData); + } + } + + exit(0); +} |