+++ /dev/null
-/*
- * 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 glTex[Sub]Image2D() and glGetTexImage() 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 TexIntFormat, TexSrcFormat, TexSrcType;
-
-static const GLboolean DrawPoint = GL_TRUE;
-static const GLboolean TexSubImage4 = GL_FALSE;
-
-enum {
- MODE_CREATE_TEXIMAGE,
- MODE_TEXIMAGE,
- MODE_TEXSUBIMAGE,
- MODE_GETTEXIMAGE,
- MODE_COUNT
-};
-
-static const char *mode_name[MODE_COUNT] =
-{
- "Create_TexImage",
- "TexImage",
- "TexSubImage",
- "GetTexImage"
-};
-
-
-
-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)
-{
- /* 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
-CreateUploadTexImage2D(unsigned count)
-{
- unsigned i;
- for (i = 0; i < count; i++) {
- if (TexObj)
- glDeleteTextures(1, &TexObj);
-
- 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);
-
- glTexImage2D(GL_TEXTURE_2D, 0, TexIntFormat,
- TexSize, TexSize, 0,
- TexSrcFormat, TexSrcType, TexImage);
-
- if (DrawPoint)
- glDrawArrays(GL_POINTS, 0, 1);
- }
- glFinish();
-}
-
-
-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, TexIntFormat,
- 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_ROWS, 0);
- glPixelStorei(GL_UNPACK_ROW_LENGTH, 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();
-}
-
-
-static void
-GetTexImage2D(unsigned count)
-{
- unsigned i;
- GLubyte *buf = (GLubyte *) malloc(TexSize * TexSize * 4);
- for (i = 0; i < count; i++) {
- glGetTexImage(GL_TEXTURE_2D, 0,
- TexSrcFormat, TexSrcType, buf);
- }
- glFinish();
- free(buf);
-}
-
-
-/* XXX any other formats to measure? */
-static const struct {
- GLenum format, type;
- GLenum internal_format;
- const char *name;
- GLuint texel_size;
- GLboolean full_test;
-} SrcFormats[] = {
- { GL_RGBA, GL_UNSIGNED_BYTE, GL_RGBA, "RGBA/ubyte", 4, GL_TRUE },
- { GL_RGB, GL_UNSIGNED_BYTE, GL_RGB, "RGB/ubyte", 3, GL_FALSE },
- { GL_RGB, GL_UNSIGNED_SHORT_5_6_5, GL_RGB, "RGB/565", 2, GL_FALSE },
- { GL_BGRA, GL_UNSIGNED_BYTE, GL_RGBA, "BGRA/ubyte", 4, GL_FALSE },
- { GL_LUMINANCE, GL_UNSIGNED_BYTE, GL_LUMINANCE, "L/ubyte", 1, GL_FALSE },
- { 0, 0, 0, NULL, 0, 0 }
-};
-
-
-/** Called from test harness/main */
-void
-PerfNextRound(void)
-{
-}
-
-
-/** Called from test harness/main */
-void
-PerfDraw(void)
-{
- GLint maxSize;
- double rate;
- GLint fmt, mode;
-
- glGetIntegerv(GL_MAX_TEXTURE_SIZE, &maxSize);
-
- /* loop over source data formats */
- for (fmt = 0; SrcFormats[fmt].format; fmt++) {
- TexIntFormat = SrcFormats[fmt].internal_format;
- TexSrcFormat = SrcFormats[fmt].format;
- TexSrcType = SrcFormats[fmt].type;
-
- /* loop over glTexImage, glTexSubImage */
- for (mode = 0; mode < MODE_COUNT; mode++) {
- GLuint minsz, maxsz;
-
- if (SrcFormats[fmt].full_test) {
- minsz = 16;
- maxsz = 4096;
- }
- else {
- minsz = maxsz = 256;
- if (mode == MODE_CREATE_TEXIMAGE)
- continue;
- }
-
- /* loop over a defined range of texture sizes, test only the
- * ones which are legal for this driver.
- */
- for (TexSize = minsz; TexSize <= maxsz; TexSize *= 4) {
- double mbPerSec;
-
- if (TexSize <= maxSize) {
- GLint bytesPerImage;
-
- bytesPerImage = TexSize * TexSize * SrcFormats[fmt].texel_size;
- TexImage = malloc(bytesPerImage);
-
- switch (mode) {
- case MODE_TEXIMAGE:
- rate = PerfMeasureRate(UploadTexImage2D);
- break;
-
- case MODE_CREATE_TEXIMAGE:
- rate = PerfMeasureRate(CreateUploadTexImage2D);
- break;
-
- case MODE_TEXSUBIMAGE:
- /* create initial, empty texture */
- glTexImage2D(GL_TEXTURE_2D, 0, TexIntFormat,
- TexSize, TexSize, 0,
- TexSrcFormat, TexSrcType, NULL);
- rate = PerfMeasureRate(UploadTexSubImage2D);
- break;
-
- case MODE_GETTEXIMAGE:
- glTexImage2D(GL_TEXTURE_2D, 0, TexIntFormat,
- TexSize, TexSize, 0,
- TexSrcFormat, TexSrcType, TexImage);
- rate = PerfMeasureRate(GetTexImage2D);
- break;
-
- default:
- exit(1);
- }
-
- mbPerSec = rate * bytesPerImage / (1024.0 * 1024.0);
- free(TexImage);
-
-
- {
- unsigned err;
- err = glGetError();
- if (err) {
- perf_printf("non-zero glGetError() %d\n", err);
- exit(1);
- }
- }
-
- }
- else {
- rate = 0;
- mbPerSec = 0;
- }
-
- perf_printf(" %s(%s %d x %d): "
- "%.1f images/sec, %.1f MB/sec\n",
- mode_name[mode],
- SrcFormats[fmt].name, TexSize, TexSize, rate, mbPerSec);
- }
-
- if (SrcFormats[fmt].full_test)
- perf_printf("\n");
- }
- }
-
- exit(0);
-}
projects / mesa.git / blobdiff