diff options
Diffstat (limited to 'progs')
| -rw-r--r-- | progs/perf/drawoverhead.c | 268 | ||||
| -rw-r--r-- | progs/perf/teximage.c | 426 | ||||
| -rw-r--r-- | progs/perf/vbo.c | 276 | ||||
| -rw-r--r-- | progs/perf/vertexrate.c | 542 |
4 files changed, 756 insertions, 756 deletions
diff --git a/progs/perf/drawoverhead.c b/progs/perf/drawoverhead.c index a1d5febf19..c1e166e746 100644 --- a/progs/perf/drawoverhead.c +++ b/progs/perf/drawoverhead.c @@ -1,134 +1,134 @@ -/*
- * 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 drawing overhead
- *
- * This is the first in a series of simple performance benchmarks.
- * The code in this file should be as simple as possible to make it
- * easily portable to other APIs.
- *
- * All the window-system stuff should be contained in glmain.c (or TBDmain.c).
- * All the re-usable, generic code should be in common.c (XXX not done yet).
- *
- * Brian Paul
- * 15 Sep 2009
- */
-
-#include "glmain.h"
-#include "common.h"
-
-
-int WinWidth = 100, WinHeight = 100;
-
-static GLuint VBO;
-
-struct vertex
-{
- GLfloat x, y;
-};
-
-static const struct vertex vertices[4] = {
- { -1.0, -1.0 },
- { 1.0, -1.0 },
- { 1.0, 1.0 },
- { -1.0, 1.0 }
-};
-
-
-/** Called from test harness/main */
-void
-PerfInit(void)
-{
- /* setup VBO w/ vertex data */
- 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), (void *) 0);
- glEnableClientState(GL_VERTEX_ARRAY);
-
- /* misc GL state */
- glAlphaFunc(GL_ALWAYS, 0.0);
-}
-
-
-static void
-DrawNoStateChange(unsigned count)
-{
- unsigned i;
- for (i = 0; i < count; i++) {
- glDrawArrays(GL_POINTS, 0, 4);
- }
- glFinish();
-}
-
-
-static void
-DrawNopStateChange(unsigned count)
-{
- unsigned i;
- for (i = 0; i < count; i++) {
- glDisable(GL_ALPHA_TEST);
- glDrawArrays(GL_POINTS, 0, 4);
- }
- glFinish();
-}
-
-
-static void
-DrawStateChange(unsigned count)
-{
- unsigned i;
- for (i = 0; i < count; i++) {
- if (i & 1)
- glEnable(GL_TEXTURE_GEN_S);
- else
- glDisable(GL_TEXTURE_GEN_S);
- glDrawArrays(GL_POINTS, 0, 4);
- }
- glFinish();
-}
-
-
-/** Called from test harness/main */
-void
-PerfDraw(void)
-{
- double rate0, rate1, rate2, overhead;
-
- rate0 = PerfMeasureRate(DrawNoStateChange);
- perf_printf(" Draw only: %.1f draws/second\n", rate0);
-
-
- rate1 = PerfMeasureRate(DrawNopStateChange);
- overhead = 1000.0 * (1.0 / rate1 - 1.0 / rate0);
- perf_printf(" Draw w/ nop state change: %.1f draws/sec (overhead: %f ms/draw)\n",
- rate1, overhead);
-
- rate2 = PerfMeasureRate(DrawStateChange);
- overhead = 1000.0 * (1.0 / rate2 - 1.0 / rate0);
- perf_printf(" Draw w/ state change: %.1f draws/sec (overhead: %f ms/draw)\n",
- rate2, overhead);
-
- 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 drawing overhead + * + * This is the first in a series of simple performance benchmarks. + * The code in this file should be as simple as possible to make it + * easily portable to other APIs. + * + * All the window-system stuff should be contained in glmain.c (or TBDmain.c). + * All the re-usable, generic code should be in common.c (XXX not done yet). + * + * Brian Paul + * 15 Sep 2009 + */ + +#include "glmain.h" +#include "common.h" + + +int WinWidth = 100, WinHeight = 100; + +static GLuint VBO; + +struct vertex +{ + GLfloat x, y; +}; + +static const struct vertex vertices[4] = { + { -1.0, -1.0 }, + { 1.0, -1.0 }, + { 1.0, 1.0 }, + { -1.0, 1.0 } +}; + + +/** Called from test harness/main */ +void +PerfInit(void) +{ + /* setup VBO w/ vertex data */ + 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), (void *) 0); + glEnableClientState(GL_VERTEX_ARRAY); + + /* misc GL state */ + glAlphaFunc(GL_ALWAYS, 0.0); +} + + +static void +DrawNoStateChange(unsigned count) +{ + unsigned i; + for (i = 0; i < count; i++) { + glDrawArrays(GL_POINTS, 0, 4); + } + glFinish(); +} + + +static void +DrawNopStateChange(unsigned count) +{ + unsigned i; + for (i = 0; i < count; i++) { + glDisable(GL_ALPHA_TEST); + glDrawArrays(GL_POINTS, 0, 4); + } + glFinish(); +} + + +static void +DrawStateChange(unsigned count) +{ + unsigned i; + for (i = 0; i < count; i++) { + if (i & 1) + glEnable(GL_TEXTURE_GEN_S); + else + glDisable(GL_TEXTURE_GEN_S); + glDrawArrays(GL_POINTS, 0, 4); + } + glFinish(); +} + + +/** Called from test harness/main */ +void +PerfDraw(void) +{ + double rate0, rate1, rate2, overhead; + + rate0 = PerfMeasureRate(DrawNoStateChange); + perf_printf(" Draw only: %.1f draws/second\n", rate0); + + + rate1 = PerfMeasureRate(DrawNopStateChange); + overhead = 1000.0 * (1.0 / rate1 - 1.0 / rate0); + perf_printf(" Draw w/ nop state change: %.1f draws/sec (overhead: %f ms/draw)\n", + rate1, overhead); + + rate2 = PerfMeasureRate(DrawStateChange); + overhead = 1000.0 * (1.0 / rate2 - 1.0 / rate0); + perf_printf(" Draw w/ state change: %.1f draws/sec (overhead: %f ms/draw)\n", + rate2, overhead); + + exit(0); +} + diff --git a/progs/perf/teximage.c b/progs/perf/teximage.c index 8727536922..11d781fccc 100644 --- a/progs/perf/teximage.c +++ b/progs/perf/teximage.c @@ -1,213 +1,213 @@ -/*
- * 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 glTexSubImage2D rate
- *
- * Brian Paul
- * 16 Sep 2009
- */
-
-#include "glmain.h"
-#include "common.h"
-
-
-int WinWidth = 100, WinHeight = 100;
-
-static GLuint VBO;
-static GLuint TexObj = 0;
-static GLubyte *TexImage = NULL;
-static GLsizei TexSize;
-static GLenum TexSrcFormat, TexSrcType;
-
-static const GLboolean DrawPoint = GL_TRUE;
-static const GLboolean TexSubImage4 = GL_TRUE;
-
-struct vertex
-{
- GLfloat x, y, s, t;
-};
-
-static const struct vertex vertices[1] = {
- { 0.0, 0.0, 0.5, 0.5 },
-};
-
-#if 0
-#define VOFFSET(F) ((void *) offsetof(struct vertex, F))
-#else
-#define VOFFSET(F) ((void *) &((struct vertex *)NULL)->F)
-#endif
-
-/** Called from test harness/main */
-void
-PerfInit(void)
-{
- /* setup VBO w/ vertex data */
- 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);
-
- /* texture */
- glGenTextures(1, &TexObj);
- glBindTexture(GL_TEXTURE_2D, TexObj);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
- glEnable(GL_TEXTURE_2D);
-}
-
-
-static void
-UploadTexImage2D(unsigned count)
-{
- unsigned i;
- for (i = 0; i < count; i++) {
- /* XXX is this equivalent to a glTexSubImage call since we're
- * always specifying the same image size? That case isn't optimized
- * in Mesa but may be optimized in other drivers. Note sure how
- * much difference that might make.
- */
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA,
- TexSize, TexSize, 0,
- TexSrcFormat, TexSrcType, TexImage);
- if (DrawPoint)
- glDrawArrays(GL_POINTS, 0, 1);
- }
- glFinish();
-}
-
-
-static void
-UploadTexSubImage2D(unsigned count)
-{
- unsigned i;
- for (i = 0; i < count; i++) {
- if (TexSubImage4) {
- GLsizei halfSize = (TexSize == 1) ? 1 : TexSize / 2;
- GLsizei halfPos = TexSize - halfSize;
- /* do glTexSubImage2D in four pieces */
- /* lower-left */
- glPixelStorei(GL_UNPACK_ROW_LENGTH, TexSize);
- glTexSubImage2D(GL_TEXTURE_2D, 0,
- 0, 0, halfSize, halfSize,
- TexSrcFormat, TexSrcType, TexImage);
- /* lower-right */
- glPixelStorei(GL_UNPACK_SKIP_PIXELS, halfPos);
- glTexSubImage2D(GL_TEXTURE_2D, 0,
- halfPos, 0, halfSize, halfSize,
- TexSrcFormat, TexSrcType, TexImage);
- /* upper-left */
- glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0);
- glPixelStorei(GL_UNPACK_SKIP_ROWS, halfPos);
- glTexSubImage2D(GL_TEXTURE_2D, 0,
- 0, halfPos, halfSize, halfSize,
- TexSrcFormat, TexSrcType, TexImage);
- /* upper-right */
- glPixelStorei(GL_UNPACK_SKIP_PIXELS, halfPos);
- glPixelStorei(GL_UNPACK_SKIP_ROWS, halfPos);
- glTexSubImage2D(GL_TEXTURE_2D, 0,
- halfPos, halfPos, halfSize, halfSize,
- TexSrcFormat, TexSrcType, TexImage);
- /* reset the unpacking state */
- glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0);
- glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0);
- glPixelStorei(GL_UNPACK_SKIP_ROWS, 0);
- }
- else {
- /* replace whole texture image at once */
- glTexSubImage2D(GL_TEXTURE_2D, 0,
- 0, 0, TexSize, TexSize,
- TexSrcFormat, TexSrcType, TexImage);
- }
- if (DrawPoint)
- glDrawArrays(GL_POINTS, 0, 1);
- }
- glFinish();
-}
-
-
-/* XXX any other formats to measure? */
-static const struct {
- GLenum format, type;
- const char *name;
-} SrcFormats[] = {
- { GL_RGBA, GL_UNSIGNED_BYTE, "GL_RGBA/GLubyte" },
- { GL_BGRA, GL_UNSIGNED_BYTE, "GL_BGRA/GLubyte" },
- { 0, 0, NULL }
-};
-
-
-
-/** Called from test harness/main */
-void
-PerfDraw(void)
-{
- GLint maxSize;
- double rate;
- GLint fmt, subImage;
-
- glGetIntegerv(GL_MAX_TEXTURE_SIZE, &maxSize);
-
- /* loop over source data formats */
- for (fmt = 0; SrcFormats[fmt].format; fmt++) {
- TexSrcFormat = SrcFormats[fmt].format;
- TexSrcType = SrcFormats[fmt].type;
-
- /* loop over glTexImage, glTexSubImage */
- for (subImage = 0; subImage < 2; subImage++) {
-
- /* loop over texture sizes */
- for (TexSize = 16; TexSize <= maxSize; TexSize *= 2) {
- GLint bytesPerImage;
- double mbPerSec;
-
- bytesPerImage = TexSize * TexSize * 4;
- TexImage = malloc(bytesPerImage);
-
- if (subImage) {
- /* create initial, empty texture */
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA,
- TexSize, TexSize, 0,
- TexSrcFormat, TexSrcType, NULL);
- rate = PerfMeasureRate(UploadTexSubImage2D);
- }
- else {
- rate = PerfMeasureRate(UploadTexImage2D);
- }
-
- mbPerSec = rate * bytesPerImage / (1024.0 * 1024.0);
-
- perf_printf(" glTex%sImage2D(%s %d x %d): "
- "%.1f images/sec, %.1f MB/sec\n",
- (subImage ? "Sub" : ""),
- SrcFormats[fmt].name, TexSize, TexSize, rate, mbPerSec);
-
- free(TexImage);
- }
- }
- }
-
- 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 glTexSubImage2D rate + * + * Brian Paul + * 16 Sep 2009 + */ + +#include "glmain.h" +#include "common.h" + + +int WinWidth = 100, WinHeight = 100; + +static GLuint VBO; +static GLuint TexObj = 0; +static GLubyte *TexImage = NULL; +static GLsizei TexSize; +static GLenum TexSrcFormat, TexSrcType; + +static const GLboolean DrawPoint = GL_TRUE; +static const GLboolean TexSubImage4 = GL_TRUE; + +struct vertex +{ + GLfloat x, y, s, t; +}; + +static const struct vertex vertices[1] = { + { 0.0, 0.0, 0.5, 0.5 }, +}; + +#if 0 +#define VOFFSET(F) ((void *) offsetof(struct vertex, F)) +#else +#define VOFFSET(F) ((void *) &((struct vertex *)NULL)->F) +#endif + +/** Called from test harness/main */ +void +PerfInit(void) +{ + /* setup VBO w/ vertex data */ + 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); + + /* texture */ + glGenTextures(1, &TexObj); + glBindTexture(GL_TEXTURE_2D, TexObj); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + glEnable(GL_TEXTURE_2D); +} + + +static void +UploadTexImage2D(unsigned count) +{ + unsigned i; + for (i = 0; i < count; i++) { + /* XXX is this equivalent to a glTexSubImage call since we're + * always specifying the same image size? That case isn't optimized + * in Mesa but may be optimized in other drivers. Note sure how + * much difference that might make. + */ + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, + TexSize, TexSize, 0, + TexSrcFormat, TexSrcType, TexImage); + if (DrawPoint) + glDrawArrays(GL_POINTS, 0, 1); + } + glFinish(); +} + + +static void +UploadTexSubImage2D(unsigned count) +{ + unsigned i; + for (i = 0; i < count; i++) { + if (TexSubImage4) { + GLsizei halfSize = (TexSize == 1) ? 1 : TexSize / 2; + GLsizei halfPos = TexSize - halfSize; + /* do glTexSubImage2D in four pieces */ + /* lower-left */ + glPixelStorei(GL_UNPACK_ROW_LENGTH, TexSize); + glTexSubImage2D(GL_TEXTURE_2D, 0, + 0, 0, halfSize, halfSize, + TexSrcFormat, TexSrcType, TexImage); + /* lower-right */ + glPixelStorei(GL_UNPACK_SKIP_PIXELS, halfPos); + glTexSubImage2D(GL_TEXTURE_2D, 0, + halfPos, 0, halfSize, halfSize, + TexSrcFormat, TexSrcType, TexImage); + /* upper-left */ + glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0); + glPixelStorei(GL_UNPACK_SKIP_ROWS, halfPos); + glTexSubImage2D(GL_TEXTURE_2D, 0, + 0, halfPos, halfSize, halfSize, + TexSrcFormat, TexSrcType, TexImage); + /* upper-right */ + glPixelStorei(GL_UNPACK_SKIP_PIXELS, halfPos); + glPixelStorei(GL_UNPACK_SKIP_ROWS, halfPos); + glTexSubImage2D(GL_TEXTURE_2D, 0, + halfPos, halfPos, halfSize, halfSize, + TexSrcFormat, TexSrcType, TexImage); + /* reset the unpacking state */ + glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0); + glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0); + glPixelStorei(GL_UNPACK_SKIP_ROWS, 0); + } + else { + /* replace whole texture image at once */ + glTexSubImage2D(GL_TEXTURE_2D, 0, + 0, 0, TexSize, TexSize, + TexSrcFormat, TexSrcType, TexImage); + } + if (DrawPoint) + glDrawArrays(GL_POINTS, 0, 1); + } + glFinish(); +} + + +/* XXX any other formats to measure? */ +static const struct { + GLenum format, type; + const char *name; +} SrcFormats[] = { + { GL_RGBA, GL_UNSIGNED_BYTE, "GL_RGBA/GLubyte" }, + { GL_BGRA, GL_UNSIGNED_BYTE, "GL_BGRA/GLubyte" }, + { 0, 0, NULL } +}; + + + +/** Called from test harness/main */ +void +PerfDraw(void) +{ + GLint maxSize; + double rate; + GLint fmt, subImage; + + glGetIntegerv(GL_MAX_TEXTURE_SIZE, &maxSize); + + /* loop over source data formats */ + for (fmt = 0; SrcFormats[fmt].format; fmt++) { + TexSrcFormat = SrcFormats[fmt].format; + TexSrcType = SrcFormats[fmt].type; + + /* loop over glTexImage, glTexSubImage */ + for (subImage = 0; subImage < 2; subImage++) { + + /* loop over texture sizes */ + for (TexSize = 16; TexSize <= maxSize; TexSize *= 2) { + GLint bytesPerImage; + double mbPerSec; + + bytesPerImage = TexSize * TexSize * 4; + TexImage = malloc(bytesPerImage); + + if (subImage) { + /* create initial, empty texture */ + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, + TexSize, TexSize, 0, + TexSrcFormat, TexSrcType, NULL); + rate = PerfMeasureRate(UploadTexSubImage2D); + } + else { + rate = PerfMeasureRate(UploadTexImage2D); + } + + mbPerSec = rate * bytesPerImage / (1024.0 * 1024.0); + + perf_printf(" glTex%sImage2D(%s %d x %d): " + "%.1f images/sec, %.1f MB/sec\n", + (subImage ? "Sub" : ""), + SrcFormats[fmt].name, TexSize, TexSize, rate, mbPerSec); + + free(TexImage); + } + } + } + + exit(0); +} diff --git a/progs/perf/vbo.c b/progs/perf/vbo.c index 4ed6a88fcc..d2630796ae 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);
-
- perf_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); + + perf_printf(" glBuffer%sDataARB(size = %d): %.1f MB/sec\n", + (sub ? "Sub" : ""), VBOSize, mbPerSec); + + free(VBOData); + } + } + + exit(0); +} diff --git a/progs/perf/vertexrate.c b/progs/perf/vertexrate.c index d3dd0c200f..b84b22a4c4 100644 --- a/progs/perf/vertexrate.c +++ b/progs/perf/vertexrate.c @@ -1,271 +1,271 @@ -/*
- * 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 simple vertex processing rate via:
- * - immediate mode
- * - vertex arrays
- * - VBO vertex arrays
- * - glDrawElements
- * - VBO glDrawElements
- * - glDrawRangeElements
- * - VBO glDrawRangeElements
- *
- * Brian Paul
- * 16 Sep 2009
- */
-
-#include <assert.h>
-#include <string.h>
-#include "glmain.h"
-#include "common.h"
-
-
-#define MAX_VERTS (100 * 100)
-
-/** glVertex2/3/4 size */
-#define VERT_SIZE 4
-
-int WinWidth = 500, WinHeight = 500;
-
-static GLuint VertexBO, ElementBO;
-
-static unsigned NumVerts = MAX_VERTS;
-static unsigned VertBytes = VERT_SIZE * sizeof(float);
-static float *VertexData = NULL;
-
-static unsigned NumElements = MAX_VERTS;
-static GLuint *Elements = NULL;
-
-
-/**
- * Load VertexData buffer with a 2-D grid of points in the range [-1,1]^2.
- */
-static void
-InitializeVertexData(void)
-{
- unsigned i;
- float x = -1.0, y = -1.0;
- float dx = 2.0 / 100;
- float dy = 2.0 / 100;
-
- VertexData = (float *) malloc(NumVerts * VertBytes);
-
- for (i = 0; i < NumVerts; i++) {
- VertexData[i * VERT_SIZE + 0] = x;
- VertexData[i * VERT_SIZE + 1] = y;
- VertexData[i * VERT_SIZE + 2] = 0.0;
- VertexData[i * VERT_SIZE + 3] = 1.0;
- x += dx;
- if (x > 1.0) {
- x = -1.0;
- y += dy;
- }
- }
-
- Elements = (GLuint *) malloc(NumVerts * sizeof(GLuint));
-
- for (i = 0; i < NumVerts; i++) {
- Elements[i] = NumVerts - i - 1;
- }
-}
-
-
-/** Called from test harness/main */
-void
-PerfInit(void)
-{
- InitializeVertexData();
-
- /* setup VertexBO */
- glGenBuffersARB(1, &VertexBO);
- glBindBufferARB(GL_ARRAY_BUFFER_ARB, VertexBO);
- glBufferDataARB(GL_ARRAY_BUFFER_ARB,
- NumVerts * VertBytes, VertexData, GL_STATIC_DRAW_ARB);
- glEnableClientState(GL_VERTEX_ARRAY);
-
- /* setup ElementBO */
- glGenBuffersARB(1, &ElementBO);
- glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, ElementBO);
- glBufferDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB,
- NumElements * sizeof(GLuint), Elements, GL_STATIC_DRAW_ARB);
-}
-
-
-static void
-DrawImmediate(unsigned count)
-{
- unsigned i;
- glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER, 0);
- glBindBufferARB(GL_ARRAY_BUFFER, 0);
- for (i = 0; i < count; i++) {
- unsigned j;
- glBegin(GL_POINTS);
- for (j = 0; j < NumVerts; j++) {
-#if VERT_SIZE == 4
- glVertex4fv(VertexData + j * 4);
-#elif VERT_SIZE == 3
- glVertex3fv(VertexData + j * 3);
-#elif VERT_SIZE == 2
- glVertex2fv(VertexData + j * 2);
-#else
- abort();
-#endif
- }
- glEnd();
- }
- glFinish();
- PerfSwapBuffers();
-}
-
-
-static void
-DrawArraysMem(unsigned count)
-{
- unsigned i;
- glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER, 0);
- glBindBufferARB(GL_ARRAY_BUFFER, 0);
- glVertexPointer(VERT_SIZE, GL_FLOAT, VertBytes, VertexData);
- for (i = 0; i < count; i++) {
- glDrawArrays(GL_POINTS, 0, NumVerts);
- }
- glFinish();
- PerfSwapBuffers();
-}
-
-
-static void
-DrawArraysVBO(unsigned count)
-{
- unsigned i;
- glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER, 0);
- glBindBufferARB(GL_ARRAY_BUFFER, VertexBO);
- glVertexPointer(VERT_SIZE, GL_FLOAT, VertBytes, (void *) 0);
- for (i = 0; i < count; i++) {
- glDrawArrays(GL_POINTS, 0, NumVerts);
- }
- glFinish();
- PerfSwapBuffers();
-}
-
-
-static void
-DrawElementsMem(unsigned count)
-{
- unsigned i;
- glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER, 0);
- glBindBufferARB(GL_ARRAY_BUFFER, 0);
- glVertexPointer(VERT_SIZE, GL_FLOAT, VertBytes, VertexData);
- for (i = 0; i < count; i++) {
- glDrawElements(GL_POINTS, NumVerts, GL_UNSIGNED_INT, Elements);
- }
- glFinish();
- PerfSwapBuffers();
-}
-
-
-static void
-DrawElementsBO(unsigned count)
-{
- unsigned i;
- glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER, ElementBO);
- glBindBufferARB(GL_ARRAY_BUFFER, VertexBO);
- glVertexPointer(VERT_SIZE, GL_FLOAT, VertBytes, (void *) 0);
- for (i = 0; i < count; i++) {
- glDrawElements(GL_POINTS, NumVerts, GL_UNSIGNED_INT, (void *) 0);
- }
- glFinish();
- PerfSwapBuffers();
-}
-
-
-static void
-DrawRangeElementsMem(unsigned count)
-{
- unsigned i;
- glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER, 0);
- glBindBufferARB(GL_ARRAY_BUFFER, 0);
- glVertexPointer(VERT_SIZE, GL_FLOAT, VertBytes, VertexData);
- for (i = 0; i < count; i++) {
- glDrawRangeElements(GL_POINTS, 0, NumVerts - 1,
- NumVerts, GL_UNSIGNED_INT, Elements);
- }
- glFinish();
- PerfSwapBuffers();
-}
-
-
-static void
-DrawRangeElementsBO(unsigned count)
-{
- unsigned i;
- glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER, ElementBO);
- glBindBufferARB(GL_ARRAY_BUFFER, VertexBO);
- glVertexPointer(VERT_SIZE, GL_FLOAT, VertBytes, (void *) 0);
- for (i = 0; i < count; i++) {
- glDrawRangeElements(GL_POINTS, 0, NumVerts - 1,
- NumVerts, GL_UNSIGNED_INT, (void *) 0);
- }
- glFinish();
- PerfSwapBuffers();
-}
-
-
-/** Called from test harness/main */
-void
-PerfDraw(void)
-{
- double rate;
-
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
- perf_printf("Vertex rate (%d x Vertex%df)\n", NumVerts, VERT_SIZE);
-
- rate = PerfMeasureRate(DrawImmediate);
- rate *= NumVerts;
- perf_printf(" Immediate mode: %.1f verts/sec\n", rate);
-
- rate = PerfMeasureRate(DrawArraysMem);
- rate *= NumVerts;
- perf_printf(" glDrawArrays: %.1f verts/sec\n", rate);
-
- rate = PerfMeasureRate(DrawArraysVBO);
- rate *= NumVerts;
- perf_printf(" VBO glDrawArrays: %.1f verts/sec\n", rate);
-
- rate = PerfMeasureRate(DrawElementsMem);
- rate *= NumVerts;
- perf_printf(" glDrawElements: %.1f verts/sec\n", rate);
-
- rate = PerfMeasureRate(DrawElementsBO);
- rate *= NumVerts;
- perf_printf(" VBO glDrawElements: %.1f verts/sec\n", rate);
-
- rate = PerfMeasureRate(DrawRangeElementsMem);
- rate *= NumVerts;
- perf_printf(" glDrawRangeElements: %.1f verts/sec\n", rate);
-
- rate = PerfMeasureRate(DrawRangeElementsBO);
- rate *= NumVerts;
- perf_printf(" VBO glDrawRangeElements: %.1f verts/sec\n", rate);
-
- 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 simple vertex processing rate via: + * - immediate mode + * - vertex arrays + * - VBO vertex arrays + * - glDrawElements + * - VBO glDrawElements + * - glDrawRangeElements + * - VBO glDrawRangeElements + * + * Brian Paul + * 16 Sep 2009 + */ + +#include <assert.h> +#include <string.h> +#include "glmain.h" +#include "common.h" + + +#define MAX_VERTS (100 * 100) + +/** glVertex2/3/4 size */ +#define VERT_SIZE 4 + +int WinWidth = 500, WinHeight = 500; + +static GLuint VertexBO, ElementBO; + +static unsigned NumVerts = MAX_VERTS; +static unsigned VertBytes = VERT_SIZE * sizeof(float); +static float *VertexData = NULL; + +static unsigned NumElements = MAX_VERTS; +static GLuint *Elements = NULL; + + +/** + * Load VertexData buffer with a 2-D grid of points in the range [-1,1]^2. + */ +static void +InitializeVertexData(void) +{ + unsigned i; + float x = -1.0, y = -1.0; + float dx = 2.0 / 100; + float dy = 2.0 / 100; + + VertexData = (float *) malloc(NumVerts * VertBytes); + + for (i = 0; i < NumVerts; i++) { + VertexData[i * VERT_SIZE + 0] = x; + VertexData[i * VERT_SIZE + 1] = y; + VertexData[i * VERT_SIZE + 2] = 0.0; + VertexData[i * VERT_SIZE + 3] = 1.0; + x += dx; + if (x > 1.0) { + x = -1.0; + y += dy; + } + } + + Elements = (GLuint *) malloc(NumVerts * sizeof(GLuint)); + + for (i = 0; i < NumVerts; i++) { + Elements[i] = NumVerts - i - 1; + } +} + + +/** Called from test harness/main */ +void +PerfInit(void) +{ + InitializeVertexData(); + + /* setup VertexBO */ + glGenBuffersARB(1, &VertexBO); + glBindBufferARB(GL_ARRAY_BUFFER_ARB, VertexBO); + glBufferDataARB(GL_ARRAY_BUFFER_ARB, + NumVerts * VertBytes, VertexData, GL_STATIC_DRAW_ARB); + glEnableClientState(GL_VERTEX_ARRAY); + + /* setup ElementBO */ + glGenBuffersARB(1, &ElementBO); + glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, ElementBO); + glBufferDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB, + NumElements * sizeof(GLuint), Elements, GL_STATIC_DRAW_ARB); +} + + +static void +DrawImmediate(unsigned count) +{ + unsigned i; + glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER, 0); + glBindBufferARB(GL_ARRAY_BUFFER, 0); + for (i = 0; i < count; i++) { + unsigned j; + glBegin(GL_POINTS); + for (j = 0; j < NumVerts; j++) { +#if VERT_SIZE == 4 + glVertex4fv(VertexData + j * 4); +#elif VERT_SIZE == 3 + glVertex3fv(VertexData + j * 3); +#elif VERT_SIZE == 2 + glVertex2fv(VertexData + j * 2); +#else + abort(); +#endif + } + glEnd(); + } + glFinish(); + PerfSwapBuffers(); +} + + +static void +DrawArraysMem(unsigned count) +{ + unsigned i; + glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER, 0); + glBindBufferARB(GL_ARRAY_BUFFER, 0); + glVertexPointer(VERT_SIZE, GL_FLOAT, VertBytes, VertexData); + for (i = 0; i < count; i++) { + glDrawArrays(GL_POINTS, 0, NumVerts); + } + glFinish(); + PerfSwapBuffers(); +} + + +static void +DrawArraysVBO(unsigned count) +{ + unsigned i; + glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER, 0); + glBindBufferARB(GL_ARRAY_BUFFER, VertexBO); + glVertexPointer(VERT_SIZE, GL_FLOAT, VertBytes, (void *) 0); + for (i = 0; i < count; i++) { + glDrawArrays(GL_POINTS, 0, NumVerts); + } + glFinish(); + PerfSwapBuffers(); +} + + +static void +DrawElementsMem(unsigned count) +{ + unsigned i; + glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER, 0); + glBindBufferARB(GL_ARRAY_BUFFER, 0); + glVertexPointer(VERT_SIZE, GL_FLOAT, VertBytes, VertexData); + for (i = 0; i < count; i++) { + glDrawElements(GL_POINTS, NumVerts, GL_UNSIGNED_INT, Elements); + } + glFinish(); + PerfSwapBuffers(); +} + + +static void +DrawElementsBO(unsigned count) +{ + unsigned i; + glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER, ElementBO); + glBindBufferARB(GL_ARRAY_BUFFER, VertexBO); + glVertexPointer(VERT_SIZE, GL_FLOAT, VertBytes, (void *) 0); + for (i = 0; i < count; i++) { + glDrawElements(GL_POINTS, NumVerts, GL_UNSIGNED_INT, (void *) 0); + } + glFinish(); + PerfSwapBuffers(); +} + + +static void +DrawRangeElementsMem(unsigned count) +{ + unsigned i; + glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER, 0); + glBindBufferARB(GL_ARRAY_BUFFER, 0); + glVertexPointer(VERT_SIZE, GL_FLOAT, VertBytes, VertexData); + for (i = 0; i < count; i++) { + glDrawRangeElements(GL_POINTS, 0, NumVerts - 1, + NumVerts, GL_UNSIGNED_INT, Elements); + } + glFinish(); + PerfSwapBuffers(); +} + + +static void +DrawRangeElementsBO(unsigned count) +{ + unsigned i; + glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER, ElementBO); + glBindBufferARB(GL_ARRAY_BUFFER, VertexBO); + glVertexPointer(VERT_SIZE, GL_FLOAT, VertBytes, (void *) 0); + for (i = 0; i < count; i++) { + glDrawRangeElements(GL_POINTS, 0, NumVerts - 1, + NumVerts, GL_UNSIGNED_INT, (void *) 0); + } + glFinish(); + PerfSwapBuffers(); +} + + +/** Called from test harness/main */ +void +PerfDraw(void) +{ + double rate; + + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + + perf_printf("Vertex rate (%d x Vertex%df)\n", NumVerts, VERT_SIZE); + + rate = PerfMeasureRate(DrawImmediate); + rate *= NumVerts; + perf_printf(" Immediate mode: %.1f verts/sec\n", rate); + + rate = PerfMeasureRate(DrawArraysMem); + rate *= NumVerts; + perf_printf(" glDrawArrays: %.1f verts/sec\n", rate); + + rate = PerfMeasureRate(DrawArraysVBO); + rate *= NumVerts; + perf_printf(" VBO glDrawArrays: %.1f verts/sec\n", rate); + + rate = PerfMeasureRate(DrawElementsMem); + rate *= NumVerts; + perf_printf(" glDrawElements: %.1f verts/sec\n", rate); + + rate = PerfMeasureRate(DrawElementsBO); + rate *= NumVerts; + perf_printf(" VBO glDrawElements: %.1f verts/sec\n", rate); + + rate = PerfMeasureRate(DrawRangeElementsMem); + rate *= NumVerts; + perf_printf(" glDrawRangeElements: %.1f verts/sec\n", rate); + + rate = PerfMeasureRate(DrawRangeElementsBO); + rate *= NumVerts; + perf_printf(" VBO glDrawRangeElements: %.1f verts/sec\n", rate); + + exit(0); +} |