diff options
Diffstat (limited to 'progs/perf/vertexrate.c')
-rw-r--r-- | progs/perf/vertexrate.c | 542 |
1 files changed, 271 insertions, 271 deletions
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); +} |