summaryrefslogtreecommitdiff
path: root/progs/perf/vertexrate.c
diff options
context:
space:
mode:
Diffstat (limited to 'progs/perf/vertexrate.c')
-rw-r--r--progs/perf/vertexrate.c542
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);
+}