diff options
Diffstat (limited to 'tests/glean/tpbo.cpp')
-rw-r--r-- | tests/glean/tpbo.cpp | 2531 |
1 files changed, 1283 insertions, 1248 deletions
diff --git a/tests/glean/tpbo.cpp b/tests/glean/tpbo.cpp index 5ae7a5745..f2ac7a8ba 100644 --- a/tests/glean/tpbo.cpp +++ b/tests/glean/tpbo.cpp @@ -1,1248 +1,1283 @@ -// BEGIN_COPYRIGHT -*- glean -*-
-//
-// Copyrigth (C) 2007 Intel Corporation
-// Copyright (C) 1999 Allen Akin 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 ALLEN AKIN 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.
-//
-// END_COPYRIGHT
-//
-// Authors:
-// Shuang He <shuang.he@intel.com>
-//
-// tpbo.cpp: Test OpenGL Extension GL_ARB_pixel_buffer_object
-
-
-#define GL_GLEXT_PROTOTYPES
-
-#include <stdlib.h>
-#include <cstring>
-#include <cassert>
-#include <math.h>
-#include "tpbo.h"
-#include "timer.h"
-
-
-namespace GLEAN
-{
-
-static int usePBO;
-#define BUFFER_OFFSET(i) ((char *)NULL + (i))
-
-bool PBOTest::setup(void)
-{
- glMatrixMode(GL_PROJECTION);
-
- glLoadIdentity();
- gluOrtho2D(0, 100, 0, 100);
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
- glDrawBuffer(GL_FRONT);
- glReadBuffer(GL_FRONT);
-
- // compute error tolerances (may need fine-tuning)
- int
- bufferBits[5];
-
- glGetIntegerv(GL_RED_BITS, &bufferBits[0]);
- glGetIntegerv(GL_GREEN_BITS, &bufferBits[1]);
- glGetIntegerv(GL_BLUE_BITS, &bufferBits[2]);
- glGetIntegerv(GL_ALPHA_BITS, &bufferBits[3]);
- glGetIntegerv(GL_DEPTH_BITS, &bufferBits[4]);
-
- tolerance[0] = 2.0 / (1 << bufferBits[0]);
- tolerance[1] = 2.0 / (1 << bufferBits[1]);
- tolerance[2] = 2.0 / (1 << bufferBits[2]);
- if (bufferBits[3])
- tolerance[3] = 2.0 / (1 << bufferBits[3]);
- else
- tolerance[3] = 1.0;
- if (bufferBits[4])
- tolerance[4] = 16.0 / (1 << bufferBits[4]);
- else
- tolerance[4] = 1.0;
-
- // Check if GL_ARB_pixel_buffer_object is supported
- if (!strstr((char *) glGetString(GL_EXTENSIONS), "GL_ARB_pixel_buffer_object")) {
- //printf("GL_ARB_pixel_buffer_object is not supported\n");
- usePBO = 0;
- return false;
- }
- else {
- //printf("GL_ARB_pixel_buffer_object is supported\n");
- usePBO = 1;
- }
-
- return true;
-}
-
-
-void
-PBOTest::reportFailure(const char *msg, const int line) const
-{
- env->log << "FAILURE: " << msg << " (at tpbo.cpp:" << line << ")\n";
-}
-
-void
-PBOTest::reportFailure(const char *msg, const GLenum target, const int line) const
-{
- env->log << "FAILURE: " << msg;
- if (target == GL_FRAGMENT_SHADER)
- env->log << " (fragment)";
- else
- env->log << " (vertex)";
- env->log << " (at tpbo.cpp:" << line << ")\n";
-}
-
-#define REPORT_FAILURE(MSG) reportFailure(MSG, __LINE__)
-#define REPORT_FAILURE_T(MSG, TARGET) reportFailure(MSG, TARGET, __LINE__)
-// Compare actual and expected colors
-bool PBOTest::equalColors(const GLfloat act[3], const GLfloat exp[3]) const
-{
- if ((fabsf(act[0] - exp[0]) > tolerance[0])
- || (fabsf(act[1] - exp[1]) > tolerance[1])
- || (fabsf(act[2] - exp[2]) > tolerance[2])) {
- return false;
- }
- else
- return true;
-}
-
-bool PBOTest::equalColors1(const GLubyte act[3], const GLubyte exp[3]) const
-{
- if ((act[0] != exp[0])
- || (act[1] != exp[1])
- || (act[2] != exp[2])) {
- return false;
- }
- else
- return true;
-}
-
-
-
-#define TEXSIZE 64
-
-bool PBOTest::testSanity(void)
-{
- GLuint pbs[1];
- GLuint pb_binding;
-
- if (!usePBO)
- return true;
-
- // Check default binding
- glGetIntegerv(GL_PIXEL_UNPACK_BUFFER_BINDING_ARB, (GLint *) & pb_binding);
- if (pb_binding != 0) {
- REPORT_FAILURE("Failed to bind unpack pixel buffer object");
- return false;
- }
-
- glGetIntegerv(GL_PIXEL_PACK_BUFFER_BINDING_ARB, (GLint *) & pb_binding);
- if (pb_binding != 0) {
- REPORT_FAILURE("Failed to bind pack pixel buffer object");
- return false;
- }
-
- glGenBuffersARB(1, pbs);
-
- if (glIsBufferARB(pbs[0]) != GL_TRUE) {
- REPORT_FAILURE("Failed to call glIsBuffersARB");
- return false;
- }
-
- glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, pbs[0]);
- glGetIntegerv(GL_PIXEL_UNPACK_BUFFER_BINDING_ARB, (GLint *) & pb_binding);
- glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, 0);
- if (pb_binding != pbs[0]) {
- REPORT_FAILURE("Failed to bind unpack pixel buffer object");
- return false;
- }
-
- glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, pbs[0]);
- glGetIntegerv(GL_PIXEL_PACK_BUFFER_BINDING_ARB, (GLint *) & pb_binding);
- glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, 0);
- if (pb_binding != pbs[0]) {
- REPORT_FAILURE("Failed to bind unpack pixel buffer object");
- return false;
- }
-
- glDeleteBuffersARB(1, pbs);
-
- if (glIsBufferARB(pbs[0]) == GL_TRUE) {
- REPORT_FAILURE("Failed to call glIsBuffersARB");
- return false;
- }
-
- return true;
-}
-
-
-bool PBOTest::testDrawPixels(void)
-{
- int useUnpackBuffer;
- int usePackBuffer;
- GLuint pb_pack[1];
- GLuint pb_unpack[1];
- GLubyte buf[windowSize * windowSize * 4];
- GLubyte t[TEXSIZE * TEXSIZE * 4];
- int i, j;
- GLubyte * pboPackMem = NULL;
- GLubyte black[3] = { 0, 0, 0 };
-
- glBindBuffer(GL_PIXEL_UNPACK_BUFFER_EXT, 0);
- glBindBuffer(GL_PIXEL_PACK_BUFFER_EXT, 0);
-
- for (useUnpackBuffer = 0; useUnpackBuffer < usePBO + 1; useUnpackBuffer++) {
- for (usePackBuffer = 0; usePackBuffer < usePBO + 1; usePackBuffer++) {
- glClearColor(0.0, 0.0, 0.0, 1.0);
- glClear(GL_COLOR_BUFFER_BIT);
- if (useUnpackBuffer) {
- glGenBuffersARB(1, pb_unpack);
- glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT, pb_unpack[0]);
- glBufferDataARB(GL_PIXEL_UNPACK_BUFFER_EXT,
- TEXSIZE * TEXSIZE * 4 * sizeof(GLubyte), NULL,
- GL_STREAM_DRAW);
- }
- GLubyte *pboMem = NULL;
- if (useUnpackBuffer) {
- pboMem = (GLubyte *) glMapBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT,
- GL_WRITE_ONLY);
- }
- else {
- pboMem = t;
- }
-
- for (i = 0; i < TEXSIZE; i++)
- for (j = 0; j < TEXSIZE; j++) {
- pboMem[4 * (i * TEXSIZE + j)] = i % 256;
- pboMem[4 * (i * TEXSIZE + j) + 1] = i % 256;
- pboMem[4 * (i * TEXSIZE + j) + 2] = i % 256;
- pboMem[4 * (i * TEXSIZE + j) + 3] = 0;
- }
-
- if (useUnpackBuffer) {
- glUnmapBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT);
- glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT, 0);
- }
-
- if (useUnpackBuffer) {
- glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT, pb_unpack[0]);
- glDrawPixels(TEXSIZE, TEXSIZE, GL_BGRA, GL_UNSIGNED_BYTE, NULL);
- glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT, 0);
- }
- else
- glDrawPixels(TEXSIZE, TEXSIZE, GL_BGRA, GL_UNSIGNED_BYTE, pboMem);
-
- // Check the result
- if (usePackBuffer) {
- glGenBuffersARB(1, pb_pack);
- glBindBufferARB(GL_PIXEL_PACK_BUFFER_EXT, pb_pack[0]);
- glBufferDataARB(GL_PIXEL_PACK_BUFFER_EXT,
- windowSize * windowSize * 4 *
- sizeof(GL_UNSIGNED_BYTE), NULL, GL_STREAM_DRAW);
- glReadPixels(0, 0, windowSize, windowSize, GL_BGRA,
- GL_UNSIGNED_BYTE, NULL);
- pboPackMem = (GLubyte *) glMapBufferARB(GL_PIXEL_PACK_BUFFER_EXT,
- GL_READ_ONLY);
- }
- else {
- pboPackMem = buf;
- glReadPixels(0, 0, windowSize, windowSize, GL_BGRA,
- GL_UNSIGNED_BYTE, pboPackMem);
- }
-
- for (j = 0; j < windowSize; j++) {
- for (i = 0; i < windowSize; i++) {
- GLubyte exp[3];
- exp[0] = j % 256;
- exp[1] = j % 256;
- exp[2] = j % 256;
-
- if (i < TEXSIZE && j < TEXSIZE) {
- if (equalColors1(&pboPackMem[(j * windowSize + i) * 4], exp)
- != true) {
- REPORT_FAILURE("glDrawPixels failed");
- printf(" got (%d, %d) = [%d, %d, %d], ", i, j,
- pboPackMem[(j * windowSize + i) * 4],
- pboPackMem[(j * windowSize + i) * 4 + 1],
- pboPackMem[(j * windowSize + i) * 4 + 2]);
- printf("should be [%d, %d, %d]\n",
- exp[0], exp[1], exp[2]);
-
- return false;
- }
- }
- else {
- if (equalColors1(&pboPackMem[(j * windowSize + i) * 4],
- black) != true) {
- REPORT_FAILURE("glDrawPixels failed");
- printf("(%d, %d) = [%d, %d, %d], ", i, j,
- pboPackMem[(j * windowSize + i) * 4],
- pboPackMem[(j * windowSize + i) * 4 + 1],
- pboPackMem[(j * windowSize + i) * 4 + 2]);
- printf("should be [0.0, 0.0, 0.0]\n");
- return false;
- }
-
- }
- }
- }
-
-
- if (usePackBuffer) {
- glBindBuffer(GL_PIXEL_PACK_BUFFER_EXT, 0);
- glDeleteBuffersARB(1, pb_pack);
- }
-
- if (useUnpackBuffer) {
- glBindBuffer(GL_PIXEL_UNPACK_BUFFER_EXT, 0);
- glDeleteBuffersARB(1, pb_unpack);
- }
-
- }
- }
-
- return true;
-}
-
-
-bool PBOTest::testPixelMap(void)
-{
- int useUnpackBuffer;
- int usePackBuffer;
- GLuint pb_pack[1];
- GLuint pb_unpack[1];
- int i;
- int size;
- int max;
-
- glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT, 0);
- glBindBufferARB(GL_PIXEL_PACK_BUFFER_EXT, 0);
-
- glGetIntegerv(GL_MAX_PIXEL_MAP_TABLE, &max);
-
- for (usePackBuffer = 0; usePackBuffer < usePBO + 1; usePackBuffer++) {
- for (useUnpackBuffer = 0; useUnpackBuffer < usePBO + 1;
- useUnpackBuffer++) {
- glClearColor(0.0, 0.0, 0.0, 1.0);
- glClear(GL_COLOR_BUFFER_BIT);
- if (useUnpackBuffer) {
- glGenBuffersARB(1, pb_unpack);
- glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT, pb_unpack[0]);
- glBufferDataARB(GL_PIXEL_UNPACK_BUFFER_EXT, max * sizeof(GLushort),
- NULL, GL_STREAM_DRAW);
- }
- GLushort *pboMem = NULL;
- if (useUnpackBuffer) {
- pboMem = (GLushort *) glMapBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT,
- GL_WRITE_ONLY);
- }
- else {
- pboMem = (GLushort *) malloc(sizeof(GLushort) * max);
- }
- for (i = 0; i < max; i++)
- pboMem[i] = max - i - 1;
-
- if (useUnpackBuffer) {
- glUnmapBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT);
- glPixelMapusv(GL_PIXEL_MAP_R_TO_R, max, NULL);
- glPixelMapusv(GL_PIXEL_MAP_G_TO_G, max, NULL);
- glPixelMapusv(GL_PIXEL_MAP_B_TO_B, max, NULL);
- glPixelMapusv(GL_PIXEL_MAP_A_TO_A, max, NULL);
- glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT, 0);
- }
- else {
- glPixelMapusv(GL_PIXEL_MAP_R_TO_R, max, pboMem);
- glPixelMapusv(GL_PIXEL_MAP_G_TO_G, max, pboMem);
- glPixelMapusv(GL_PIXEL_MAP_B_TO_B, max, pboMem);
- glPixelMapusv(GL_PIXEL_MAP_A_TO_A, max, pboMem);
- free(pboMem);
- }
-
-
- glGetIntegerv(GL_PIXEL_MAP_R_TO_R_SIZE, &size);
- if (size != max) {
- REPORT_FAILURE("glPixelMap failed");
- return false;
- }
- glPixelTransferi(GL_MAP_COLOR, GL_FALSE);
-
- // Read back pixel map
- if (usePackBuffer) {
- glGenBuffersARB(1, pb_pack);
- glBindBufferARB(GL_PIXEL_PACK_BUFFER_EXT, pb_pack[0]);
- glBufferDataARB(GL_PIXEL_PACK_BUFFER_EXT, max * sizeof(GLushort),
- NULL, GL_STREAM_DRAW);
- glGetPixelMapusv(GL_PIXEL_MAP_R_TO_R, NULL);
- pboMem = (GLushort *) glMapBufferARB(GL_PIXEL_PACK_BUFFER_EXT,
- GL_READ_ONLY);
- }
- else {
- pboMem = (GLushort *) malloc(sizeof(GLushort) * max);
- glGetPixelMapusv(GL_PIXEL_MAP_R_TO_R, pboMem);
- }
-
- for (i = 0; i < max; i++) {
- if (pboMem[i] != (255 - i)) {
- REPORT_FAILURE("get PixelMap failed");
- return false;
- }
- }
-
-
- if (usePackBuffer) {
- glUnmapBufferARB(GL_PIXEL_PACK_BUFFER_EXT);
- glBindBufferARB(GL_PIXEL_PACK_BUFFER_EXT, 0);
- glDeleteBuffersARB(1, pb_pack);
- }
- else {
- free(pboMem);
- }
-
- if (useUnpackBuffer) {
- glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT, 0);
- glDeleteBuffersARB(1, pb_unpack);
- }
-
- }
- }
-
- return true;
-}
-
-bool PBOTest::testBitmap(void)
-{
- GLuint pb_unpack[1];
- GLuint pb_pack[1];
- int useUnpackBuffer = usePBO;
- int usePackBuffer = 0;
- GLubyte bitmap[TEXSIZE * TEXSIZE / 8];
- GLfloat buf[windowSize * windowSize * 3];
- GLfloat white[3] = { 1.0, 1.0, 1.0 };
- GLfloat black[3] = { 0.0, 0.0, 0.0 };
- int i, j;
- GLubyte *pboUnpackMem = NULL;
- GLfloat *pboPackMem = NULL;
-
- glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT, 0);
- glBindBufferARB(GL_PIXEL_PACK_BUFFER_EXT, 0);
-
- for (usePackBuffer = 0; usePackBuffer < usePBO + 1; usePackBuffer++) {
- for (useUnpackBuffer = 0; useUnpackBuffer < usePBO + 1;
- useUnpackBuffer++) {
- glClearColor(0.0, 0.0, 0.0, 1.0);
- glClear(GL_COLOR_BUFFER_BIT);
-
- if (useUnpackBuffer) {
- glGenBuffersARB(1, pb_unpack);
- glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT, pb_unpack[0]);
- glBufferDataARB(GL_PIXEL_UNPACK_BUFFER_EXT, TEXSIZE * TEXSIZE, NULL,
- GL_STREAM_DRAW);
- pboUnpackMem = (GLubyte *) glMapBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT,
- GL_WRITE_ONLY);
- }
- else {
- pboUnpackMem = bitmap;
- }
-
- for (i = 0; i < TEXSIZE * TEXSIZE / 8; i++) {
- pboUnpackMem[i] = 0xAA;
- }
-
-
- glColor4f(1.0, 1.0, 1.0, 0.0);
- glRasterPos2f(0.0, 0.0);
- if (useUnpackBuffer) {
- glUnmapBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT);
- glBitmap(TEXSIZE, TEXSIZE, 0, 0, 0, 0, NULL);
- glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT, 0);
- }
- else
- glBitmap(TEXSIZE, TEXSIZE, 0, 0, 0, 0, pboUnpackMem);
-
- // Check the result
- if (usePackBuffer) {
- glGenBuffersARB(1, pb_pack);
- glBindBufferARB(GL_PIXEL_PACK_BUFFER_EXT, pb_pack[0]);
- glBufferDataARB(GL_PIXEL_PACK_BUFFER_EXT,
- windowSize * windowSize * 4 * sizeof(GLfloat),
- NULL,
- GL_STREAM_DRAW);
- glReadPixels(0, 0, windowSize, windowSize, GL_RGB, GL_FLOAT,
- NULL);
- pboPackMem =
- (GLfloat *) glMapBufferARB(GL_PIXEL_PACK_BUFFER_EXT,
- GL_READ_ONLY);
- }
- else {
- pboPackMem = buf;
- glReadPixels(0, 0, windowSize, windowSize, GL_RGB, GL_FLOAT,
- pboPackMem);
- }
-
- for (j = 0; j < windowSize; j++) {
- for (i = 0; i < windowSize; i++) {
- const GLfloat *exp;
- if ((i & 1))
- exp = black;
- else
- exp = white;
- if (i < TEXSIZE && j < TEXSIZE) {
- if (equalColors(&pboPackMem[(j * windowSize + i) * 3], exp)
- != true) {
- REPORT_FAILURE("glBitmap failed");
- printf(" got (%d, %d) = [%f, %f, %f], ", i, j,
- pboPackMem[(j * windowSize + i) * 3],
- pboPackMem[(j * windowSize + i) * 3 + 1],
- pboPackMem[(j * windowSize + i) * 3 + 2]);
- printf("should be [%f, %f, %f]\n",
- exp[0], exp[1], exp[2]);
-
- return false;
- }
- }
- else {
- if (equalColors
- (&pboPackMem[(j * windowSize + i) * 3],
- black) != true) {
- REPORT_FAILURE("glBitmap failed");
- printf("(%d, %d) = [%f, %f, %f], ", i, j,
- pboPackMem[(j * windowSize + i) * 3],
- pboPackMem[(j * windowSize + i) * 3 + 1],
- pboPackMem[(j * windowSize + i) * 3 + 2]);
- printf("should be [0.0, 0.0, 0.0]\n");
- return false;
- }
-
- }
- }
- }
- if (usePackBuffer) {
- glUnmapBuffer(GL_PIXEL_PACK_BUFFER_EXT);
- glBindBuffer(GL_PIXEL_PACK_BUFFER_EXT, 0);
- glDeleteBuffersARB(1, pb_pack);
- }
-
- if (useUnpackBuffer) {
- glBindBuffer(GL_PIXEL_UNPACK_BUFFER_EXT, 0);
- glDeleteBuffersARB(1, pb_unpack);
- }
- }
- }
- return true;
-}
-
-
-bool PBOTest::testTexImage(void)
-{
- int breakCOWPBO, breakCOWTexture;
- int useTexUnpackBuffer, useTexPackBuffer;
- GLuint unpack_pb[1];
- GLuint pack_pb[1];
- GLfloat t1[TEXSIZE * TEXSIZE * 3];
- GLfloat t2[TEXSIZE * TEXSIZE * 3];
- GLfloat *pboMem = NULL;
- int i, j;
- GLfloat green[3] = { 1.0, 1.0, 0.0 };
- GLfloat black[3] = { 0.0, 0.0, 0.0 };
- GLfloat buf[windowSize * windowSize * 3];
-
- glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT, 0);
- glBindBufferARB(GL_PIXEL_PACK_BUFFER_EXT, 0);
-
- glClearColor(0.0, 0.0, 0.0, 1.0);
- glClear(GL_COLOR_BUFFER_BIT);
-
- for (useTexPackBuffer = 0; useTexPackBuffer < usePBO + 1;
- useTexPackBuffer++) {
- for (useTexUnpackBuffer = 0; useTexUnpackBuffer < usePBO + 1;
- useTexUnpackBuffer++) {
- for (breakCOWPBO = 0; breakCOWPBO < useTexUnpackBuffer + 1;
- breakCOWPBO++) {
- for (breakCOWTexture = 0;
- breakCOWTexture < useTexUnpackBuffer + 1;
- breakCOWTexture++) {
- if (useTexUnpackBuffer) {
- glGenBuffersARB(1, unpack_pb);
- if (glIsBufferARB(unpack_pb[0]) == false)
- return false;
- glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT, unpack_pb[0]);
- glBufferDataARB(GL_PIXEL_UNPACK_BUFFER_EXT,
- TEXSIZE * TEXSIZE * 3 * sizeof(GLfloat), NULL,
- GL_STREAM_DRAW);
- }
-
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
- GL_NEAREST);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,
- GL_NEAREST);
-
- if (useTexUnpackBuffer) {
- pboMem =
- (GLfloat *) glMapBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT,
- GL_WRITE_ONLY);
- }
- else {
- pboMem = t1;
- }
-
- for (i = 0; i < TEXSIZE * TEXSIZE; i++) {
- pboMem[3 * i] = 1.0;
- pboMem[3 * i + 1] = 1.0;
- pboMem[3 * i + 2] = 0.0;
- }
-
- if (useTexUnpackBuffer) {
- glUnmapBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT);
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, TEXSIZE, TEXSIZE, 0,
- GL_RGB, GL_FLOAT, NULL);
- glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT, 0);
- }
- else
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, TEXSIZE, TEXSIZE, 0,
- GL_RGB, GL_FLOAT, pboMem);
-
- if (useTexUnpackBuffer) {
- if (breakCOWPBO) {
- glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT, unpack_pb[0]);
- pboMem =
- (GLfloat *) glMapBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT,
- GL_WRITE_ONLY);
- for (i = 0; i < TEXSIZE * TEXSIZE * 3; i++)
- pboMem[i] = 0.2;
- glUnmapBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT);
- glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT, 0);
- }
- }
-
- if (useTexUnpackBuffer) {
- if (breakCOWTexture) {
- GLfloat temp[1 * 1 * 3];
- for (i = 0; i < 1 * 1 * 3; i++)
- temp[i] = 0.8;
- glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 1, 1, GL_RGB,
- GL_FLOAT, temp);
- }
- }
-
- // Check PBO's content
- if (useTexUnpackBuffer) {
- glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT, unpack_pb[0]);
- pboMem = (GLfloat *) glMapBuffer(GL_PIXEL_UNPACK_BUFFER_EXT,
- GL_READ_ONLY);
- if (breakCOWPBO) {
- for (i = 0; i < TEXSIZE * TEXSIZE * 3; i++)
- if (fabsf(pboMem[i] - 0.2) > tolerance[0]) {
- REPORT_FAILURE
- ("PBO modified by someone else, there must be something wrong");
- return false;
- }
- }
- glUnmapBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT);
- glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT, 0);
- }
-
-
- // Read texture back
- if (useTexPackBuffer) {
- glGenBuffersARB(1, pack_pb);
- glBindBufferARB(GL_PIXEL_PACK_BUFFER_EXT, pack_pb[0]);
- glBufferDataARB(GL_PIXEL_PACK_BUFFER_EXT,
- TEXSIZE * TEXSIZE * 3 * sizeof(GLfloat), NULL,
- GL_STREAM_DRAW);
- glGetTexImage(GL_TEXTURE_2D, 0, GL_RGB, GL_FLOAT, NULL);
- pboMem = (GLfloat *) glMapBufferARB(GL_PIXEL_PACK_BUFFER_EXT,
- GL_READ_ONLY);
- }
- else {
- glGetTexImage(GL_TEXTURE_2D, 0, GL_RGB, GL_FLOAT, t2);
- pboMem = t2;
- }
-
- // Check texture image
- for (i = 0; i < TEXSIZE * TEXSIZE; i++) {
- if (i == 0 && breakCOWTexture && useTexUnpackBuffer) {
- GLfloat exp[3] = { 0.8, 0.8, 0.8 };
- if (equalColors(&pboMem[i * 3], exp) != true) {
- REPORT_FAILURE("glGetTexImage failed");
- printf(" got (%d) = [%f, %f, %f], ", i,
- pboMem[i * 3],
- pboMem[i * 3 + 1], pboMem[i * 3 + 2]);
- printf("should be [%f, %f, %f]\n",
- exp[0], exp[1], exp[2]);
-
- return false;
- }
- }
- else {
- GLfloat exp[3] = { 1.0, 1.0, 0.0 };
- if (equalColors(&pboMem[i * 3], exp) != true) {
- REPORT_FAILURE("glGetTexImage failed");
- printf(" got (%d) = [%f, %f, %f], ", i,
- pboMem[i * 3],
- pboMem[i * 3 + 1], pboMem[i * 3 + 2]);
- printf("should be [%f, %f, %f]\n",
- exp[0], exp[1], exp[2]);
-
- return false;
- }
- }
- }
-
- if (useTexPackBuffer) {
- glUnmapBufferARB(GL_PIXEL_PACK_BUFFER_EXT);
- glBindBufferARB(GL_PIXEL_PACK_BUFFER_EXT, 0);
- glDeleteBuffersARB(1, pack_pb);
- }
- if (useTexUnpackBuffer) {
- glDeleteBuffersARB(1, unpack_pb);
- }
-
- glEnable(GL_TEXTURE_2D);
- glBegin(GL_POLYGON);
- glTexCoord2f(0, 0);
- glVertex2f(0, 0);
- glTexCoord2f(1, 0);
- glVertex2f(TEXSIZE, 0);
- glTexCoord2f(1, 1);
- glVertex2f(TEXSIZE, TEXSIZE);
- glTexCoord2f(0, 1);
- glVertex2f(0, TEXSIZE);
- glEnd();
-
- glReadPixels(0, 0, windowSize, windowSize, GL_RGB, GL_FLOAT,
- buf);
- for (j = 0; j < windowSize; j++) {
- for (i = 0; i < windowSize; i++) {
- if (i == 0 && j == 0 && breakCOWTexture
- && useTexUnpackBuffer) {
- GLfloat exp[3] = { 0.8, 0.8, 0.8 };
- if (equalColors(&buf[(j * windowSize + i) * 3], exp)
- != true) {
- REPORT_FAILURE("glTexImage failed");
- printf(" got (%d, %d) = [%f, %f, %f], ", i, j,
- buf[(j * windowSize + i) * 3],
- buf[(j * windowSize + i) * 3 + 1],
- buf[(j * windowSize + i) * 3 + 2]);
- printf("should be [%f, %f, %f]\n",
- exp[0], exp[1], exp[2]);
-
- return false;
- }
- }
- else if (i < TEXSIZE && j < TEXSIZE) {
- if (equalColors(&buf[(j * windowSize + i) * 3], green)
- != true) {
- REPORT_FAILURE("glTexImage failed");
- printf(" got (%d, %d) = [%f, %f, %f], ", i, j,
- buf[(j * windowSize + i) * 3],
- buf[(j * windowSize + i) * 3 + 1],
- buf[(j * windowSize + i) * 3 + 2]);
- printf("should be [%f, %f, %f]\n",
- green[0], green[1], green[2]);
-
- return false;
- }
- }
- else {
- if (equalColors(&buf[(j * windowSize + i) * 3], black)
- != true) {
- REPORT_FAILURE("glTexImage failed");
- printf("(%d, %d) = [%f, %f, %f], ", i, j,
- buf[(j * windowSize + i) * 3],
- buf[(j * windowSize + i) * 3 + 1],
- buf[(j * windowSize + i) * 3 + 2]);
- printf("should be [0.0, 0.0, 0.0]\n");
-
- return false;
- }
- }
- }
- }
- }
- }
- }
- }
-
- return true;
-}
-
-bool PBOTest::testTexSubImage(void)
-{
- GLuint pbs[1];
- GLfloat t[TEXSIZE * TEXSIZE * 3];
- int i, j;
- int useUnpackBuffer = 0;
- GLfloat green[3] = { 0.0, 1.0, 0.0 };
- GLfloat black[3] = { 0.0, 0.0, 0.0 };
-
- glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT, 0);
- glBindBufferARB(GL_PIXEL_PACK_BUFFER_EXT, 0);
-
- for (useUnpackBuffer = 0; useUnpackBuffer < usePBO + 1; useUnpackBuffer++) {
- glClearColor(0.0, 0.0, 0.0, 1.0);
- glClear(GL_COLOR_BUFFER_BIT);
-
- if (useUnpackBuffer) {
- glGenBuffersARB(1, pbs);
- glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT, pbs[0]);
- glBufferDataARB(GL_PIXEL_UNPACK_BUFFER_EXT, TEXSIZE * TEXSIZE * 3 * sizeof(GLfloat),
- NULL, GL_STREAM_DRAW);
- glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT, 0);
- }
-
- 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, GL_RGB, TEXSIZE, TEXSIZE, 0, GL_RGB,
- GL_FLOAT, NULL);
-
- GLfloat *pboMem = NULL;
- if (useUnpackBuffer) {
- glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT, pbs[0]);
- pboMem = (GLfloat *) glMapBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT,
- GL_WRITE_ONLY);
- }
- else {
- pboMem = t;
- }
-
- for (i = 0; i < TEXSIZE * TEXSIZE; i++) {
- pboMem[3 * i] = 0.0;
- pboMem[3 * i + 1] = 1.0;
- pboMem[3 * i + 2] = 0.0;
- }
-
- if (useUnpackBuffer) {
- glUnmapBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT);
- glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, TEXSIZE, TEXSIZE, GL_RGB,
- GL_FLOAT, NULL);
- glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT, 0);
- }
- else
- glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, TEXSIZE, TEXSIZE, GL_RGB,
- GL_FLOAT, pboMem);
-
- glEnable(GL_TEXTURE_2D);
- glBegin(GL_POLYGON);
- glTexCoord2f(0, 0);
- glVertex2f(0, 0);
- glTexCoord2f(1, 0);
- glVertex2f(10, 0);
- glTexCoord2f(1, 1);
- glVertex2f(10, 10);
- glTexCoord2f(0, 1);
- glVertex2f(0, 10);
- glEnd();
- glDisable(GL_TEXTURE_2D);
-
- GLfloat buf[windowSize * windowSize * 3];
-
- glReadPixels(0, 0, windowSize, windowSize, GL_RGB, GL_FLOAT, buf);
- for (j = 0; j < windowSize; j++) {
- for (i = 0; i < windowSize; i++) {
- if (i < 10 && j < 10) {
- if (equalColors(&buf[(j * windowSize + i) * 3], green) != true) {
- REPORT_FAILURE("glTexSubImage failed");
- printf(" got (%d, %d) = [%f, %f, %f], ", i, j,
- buf[(j * windowSize + i) * 3],
- buf[(j * windowSize + i) * 3 + 1],
- buf[(j * windowSize + i) * 3 + 2]);
- printf("should be [%f, %f, %f]\n",
- green[0], green[1], green[2]);
-
- return false;
- }
- }
- else {
- if (equalColors(&buf[(j * windowSize + i) * 3], black) != true) {
- REPORT_FAILURE("glTexSubImage failed");
- printf("(%d, %d) = [%f, %f, %f], ", i, j,
- buf[(j * windowSize + i) * 3],
- buf[(j * windowSize + i) * 3 + 1],
- buf[(j * windowSize + i) * 3 + 2]);
- printf("should be [0.0, 0.0, 0.0]\n");
-
- return false;
- }
-
- }
- }
- }
- }
- return true;
-}
-
-bool PBOTest::testPolygonStip(void)
-{
- int useUnpackBuffer = 0;
- int usePackBuffer = 0;
- GLuint unpack_pb[1];
- GLuint pack_pb[1];
- GLubyte t1[32 * 32 / 8];
- GLubyte t2[32 * 32 / 8];
- GLubyte *pboMem = NULL;
- int i, j;
- GLfloat white[3] = { 1.0, 1.0, 1.0 };
- GLfloat black[3] = { 0.0, 0.0, 0.0 };
-
- glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT, 0);
- glBindBufferARB(GL_PIXEL_PACK_BUFFER_EXT, 0);
-
- for (useUnpackBuffer = 0; useUnpackBuffer < usePBO + 1; useUnpackBuffer++) {
- for (usePackBuffer = 0; usePackBuffer < usePBO + 1; usePackBuffer++) {
- glClearColor(0.0, 0.0, 0.0, 1.0);
- glClear(GL_COLOR_BUFFER_BIT);
-
- if (useUnpackBuffer) {
- glGenBuffersARB(1, unpack_pb);
- glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT, unpack_pb[0]);
- glBufferDataARB(GL_PIXEL_UNPACK_BUFFER_EXT, 32 * 32 / 8, NULL,
- GL_STREAM_DRAW);
- pboMem = (GLubyte *) glMapBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT,
- GL_WRITE_ONLY);
- }
- else {
- pboMem = t1;
- }
-
-
- // Fill in the stipple pattern
- for (i = 0; i < 32 * 32 / 8; i++) {
- pboMem[i] = 0xAA;
- }
-
- if (useUnpackBuffer) {
- glUnmapBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT);
- glPolygonStipple(NULL);
- }
- else {
- glPolygonStipple(pboMem);
- }
-
- // Read back the stipple pattern
- if (usePackBuffer) {
- glGenBuffersARB(1, pack_pb);
- glBindBufferARB(GL_PIXEL_PACK_BUFFER_EXT, pack_pb[0]);
- glBufferDataARB(GL_PIXEL_PACK_BUFFER_EXT, 32 * 32 / 8, NULL,
- GL_STREAM_DRAW);
- glGetPolygonStipple(NULL);
- pboMem = (GLubyte *) glMapBufferARB(GL_PIXEL_PACK_BUFFER_EXT,
- GL_READ_ONLY);
- }
- else {
- glGetPolygonStipple(t2);
- pboMem = t2;
- }
-
- for (i = 0; i < 32 * 32 / 8; i++) {
- if (pboMem[i] != 0xAA) {
- REPORT_FAILURE("glGetPolygonStipple failed");
- return false;
- }
- }
-
-
- if (useUnpackBuffer) {
- glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT, 0);
- glDeleteBuffersARB(1, unpack_pb);
- }
- if (usePackBuffer) {
- glBindBufferARB(GL_PIXEL_PACK_BUFFER_EXT, 0);
- glDeleteBuffersARB(1, pack_pb);
- }
-
- glEnable(GL_POLYGON_STIPPLE);
- glBegin(GL_POLYGON);
- glVertex2f(0, 0);
- glVertex2f(10, 0);
- glVertex2f(10, 10);
- glVertex2f(0, 10);
- glEnd();
-
- glDisable(GL_POLYGON_STIPPLE);
-
- // Check the result
- GLfloat buf[windowSize * windowSize * 3];
-
- glReadPixels(0, 0, windowSize, windowSize, GL_RGB, GL_FLOAT, buf);
-
- for (j = 0; j < windowSize; j++) {
- for (i = 0; i < windowSize; i++) {
- const GLfloat *exp;
- if (i & 1)
- exp = black;
- else
- exp = white;
- if (i < 10 && j < 10) {
- if (equalColors(&buf[(j * windowSize + i) * 3], exp) !=
- true) {
- REPORT_FAILURE("glGetPolygonStipple failed");
- printf("(%d, %d) = [%f, %f, %f], ", i, j,
- buf[(j * windowSize + i) * 3],
- buf[(j * windowSize + i) * 3 + 1],
- buf[(j * windowSize + i) * 3 + 2]);
- printf("should be [1.0, 1.0, 1.0]\n");
- return false;
- }
- }
- else {
- if (equalColors(&buf[(j * windowSize + i) * 3], black) !=
- true) {
- REPORT_FAILURE("glGetPolygonStipple failed");
- printf("(%d, %d) = [%f, %f, %f], ", i, j,
- buf[(j * windowSize + i) * 3],
- buf[(j * windowSize + i) * 3 + 1],
- buf[(j * windowSize + i) * 3 + 2]);
- printf("should be [0.0, 0.0, 0.0]\n");
- return false;
- }
-
- }
- }
- }
-
- }
- }
-
- return true;
-}
-
-
-bool PBOTest::testErrorHandling(void)
-{
- GLuint fbs[1];
-
- glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT, 0);
- glBindBufferARB(GL_PIXEL_PACK_BUFFER_EXT, 0);
-
- if (usePBO) {
- /* test that glDrawPixels from too small of buffer raises error */
- glGenBuffersARB(1, fbs);
- glBindBufferARB(GL_PIXEL_UNPACK_BUFFER, fbs[0]);
- glBufferDataARB(GL_PIXEL_UNPACK_BUFFER_EXT, 32 * 32 * 4, NULL,
- GL_STREAM_DRAW);
- glDrawPixels(32, 32 + 1, GL_BGRA, GL_UNSIGNED_BYTE, NULL);
- if (glGetError() != GL_INVALID_OPERATION)
- return false;
-
- glDeleteBuffersARB(1, fbs);
- glBindBufferARB(GL_PIXEL_UNPACK_BUFFER, 0);
-
- /* test that glReadPixels into too small of buffer raises error */
- glGenBuffersARB(1, fbs);
- glBindBufferARB(GL_PIXEL_PACK_BUFFER, fbs[0]);
- glBufferDataARB(GL_PIXEL_PACK_BUFFER_EXT, 32 * 32 * 4, NULL,
- GL_STREAM_DRAW);
- glReadPixels(0, 0, 32, 32 + 1, GL_BGRA, GL_UNSIGNED_BYTE, NULL);
- if (glGetError() != GL_INVALID_OPERATION)
- return false;
-
- glDeleteBuffersARB(1, fbs);
- glBindBufferARB(GL_PIXEL_PACK_BUFFER, 0);
- }
- return true;
-}
-
-bool PBOTest::testFunctionality(MultiTestResult & r)
-{
- static SubTestFunc
- funcs[] = {
- &GLEAN::PBOTest::testSanity,
- &GLEAN::PBOTest::testBitmap,
- &GLEAN::PBOTest::testDrawPixels,
- &GLEAN::PBOTest::testPixelMap,
- &GLEAN::PBOTest::testTexImage,
- &GLEAN::PBOTest::testTexSubImage,
- &GLEAN::PBOTest::testPolygonStip,
- &GLEAN::PBOTest::testErrorHandling,
- NULL
- };
-
- for (int i = 0; funcs[i]; i++)
- if ((this->*funcs[i]) ())
- r.numPassed++;
- else
- r.numFailed++;
- return true;
-}
-
-enum {
- BLACK,
- RED,
- GREEN,
- BLUE,
-WHITE };
-
-GLfloat colors1[][4] = {
- {0.0, 0.0, 0.0, 0.0},
- {1.0, 0.0, 0.0, 1.0},
- {0.0, 1.0, 0.0, 1.0},
- {0.0, 0.0, 1.0, 1.0},
- {1.0, 1.0, 1.0, 1.0}
-};
-
-#define TEXSIZE1 64
-bool PBOTest::testPerformance(MultiTestResult & r)
-{
- GLuint pbs[1];
- GLuint textures[1];
- GLubyte data[TEXSIZE1 * TEXSIZE1 * 4];
- int mode;
- int i, j;
- Timer t;
- double t0, t1, perf[2];
- GLubyte *pboMem = NULL;
-
- (void) r;
-
- for (mode = 0; mode < usePBO + 1; mode++) {
- t0 = t.getClock();
-
- glClearColor(0.0, 0.0, 0.0, 1.0);
- glClear(GL_COLOR_BUFFER_BIT);
- if (mode) {
- glGenBuffersARB(1, pbs);
- glBindBufferARB(GL_PIXEL_UNPACK_BUFFER, pbs[0]);
- glBufferDataARB(GL_PIXEL_UNPACK_BUFFER,
- TEXSIZE1 * TEXSIZE1 * 4 * sizeof(GLubyte), NULL,
- GL_STREAM_DRAW);
- }
- glGenTextures(1, textures);
- glBindTexture(GL_TEXTURE_2D, textures[0]);
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, TEXSIZE1,
- TEXSIZE1, 0, GL_BGRA, GL_UNSIGNED_BYTE, NULL);
-
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
-
- for (i = 0; i < 1024; i++) {
- if (mode) {
- glBindBufferARB(GL_PIXEL_UNPACK_BUFFER, pbs[0]);
- pboMem =
- (GLubyte *) glMapBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT,
- GL_WRITE_ONLY);
- }
- else {
- pboMem = data;
- }
-
- for (j = 0; j < TEXSIZE1 * TEXSIZE1; j++) {
- pboMem[4 * j] = 255;
- pboMem[4 * j + 1] = 255;
- pboMem[4 * j + 2] = 0;
- pboMem[4 * j + 3] = 0;
- }
-
- if (mode) {
- glUnmapBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT);
- glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, TEXSIZE1,
- TEXSIZE1, GL_BGRA, GL_UNSIGNED_BYTE, NULL);
- glBindBufferARB(GL_PIXEL_UNPACK_BUFFER, 0);
- }
- else {
- glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, TEXSIZE1,
- TEXSIZE1, GL_BGRA, GL_UNSIGNED_BYTE, data);
- }
-
-
- // Actually apply the texture
- glEnable(GL_TEXTURE_2D);
- glColor4fv(colors1[WHITE]);
-
- glBegin(GL_POLYGON);
- glTexCoord2f(0.0, 0.0);
- glVertex2f(0, 0);
- glTexCoord2f(1.0, 0.0);
- glVertex2f(1, 0);
- glTexCoord2f(1.0, 1.0);
- glVertex2f(1, 1);
- glTexCoord2f(0.0, 1.0);
- glVertex2f(0, 1);
- glEnd();
- glFlush();
- glDisable(GL_TEXTURE_2D);
- }
- t1 = t.getClock();
- glDeleteTextures(1, textures);
- if (mode)
- glDeleteBuffersARB(1, pbs);
-
- perf[mode] = (double) TEXSIZE1 * TEXSIZE1 * 3 * sizeof(GLfloat) / 1024 / (t1 - t0);
-
- }
-
- if (perf[1] < perf[0] && usePBO) {
- env->log << name << ": NOTE "
- << "perf[0] = " << perf[0] <<
- " MB/s, which is in normal mode" << endl;
- env->log << name << ": NOTE " << "perf[1] = " <<
- perf[1] << " MB/s, which is using PBO" << endl;
- }
-
- return true;
-}
-
-
-
-// Run all the subtests, incrementing numPassed, numFailed
-void
-PBOTest::runSubTests(MultiTestResult & r)
-{
- static TestFunc funcs[] = {
- &GLEAN::PBOTest::testFunctionality,
- &GLEAN::PBOTest::testPerformance,
- NULL
- };
-
- for (int i = 0; funcs[i]; i++)
- if ((this->*funcs[i]) (r))
- r.numPassed++;
- else
- r.numFailed++;
-}
-
-
-void
-PBOTest::runOne(MultiTestResult & r, Window & w)
-{
- (void) w;
-
- if (!setup()) {
- r.pass = false;
- return;
- }
-
- runSubTests(r);
-
- r.pass = (r.numFailed == 0);
-}
-
-
-// The test object itself:
-PBOTest pboTest("pbo", "window, rgb, z", "", // no extension filter
- "pbo test: Test OpenGL Extension GL_ARB_pixel_buffer_object\n");
-
-
-
-} // namespace GLEAN
+// BEGIN_COPYRIGHT -*- glean -*- +// +// Copyrigth (C) 2007 Intel Corporation +// Copyright (C) 1999 Allen Akin 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 ALLEN AKIN 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. +// +// END_COPYRIGHT +// +// Authors: +// Shuang He <shuang.he@intel.com> +// +// tpbo.cpp: Test OpenGL Extension GL_ARB_pixel_buffer_object + + +#define GL_GLEXT_PROTOTYPES + +#include <stdlib.h> +#include <cstring> +#include <cassert> +#include <math.h> +#include "tpbo.h" +#include "timer.h" + + +namespace GLEAN +{ +// GL_VERSION_1_5 +static PFNGLBINDBUFFERPROC glBindBuffer_func = NULL; +static PFNGLMAPBUFFERPROC glMapBuffer_func = NULL; +static PFNGLUNMAPBUFFERPROC glUnmapBuffer_func = NULL; + +// GL_ARB_vertex_buffer_object +static PFNGLBINDBUFFERARBPROC glBindBufferARB_func = NULL; +static PFNGLDELETEBUFFERSARBPROC glDeleteBuffersARB_func = NULL; +static PFNGLGENBUFFERSARBPROC glGenBuffersARB_func = NULL; +static PFNGLISBUFFERARBPROC glIsBufferARB_func = NULL; +static PFNGLBUFFERDATAARBPROC glBufferDataARB_func = NULL; +static PFNGLMAPBUFFERARBPROC glMapBufferARB_func = NULL; +static PFNGLUNMAPBUFFERARBPROC glUnmapBufferARB_func = NULL; + +static int usePBO; +#define BUFFER_OFFSET(i) ((char *)NULL + (i)) + +bool PBOTest::setup(void) +{ + glMatrixMode(GL_PROJECTION); + + glLoadIdentity(); + gluOrtho2D(0, 100, 0, 100); + glMatrixMode(GL_MODELVIEW); + glLoadIdentity(); + glDrawBuffer(GL_FRONT); + glReadBuffer(GL_FRONT); + + // compute error tolerances (may need fine-tuning) + int + bufferBits[5]; + + glGetIntegerv(GL_RED_BITS, &bufferBits[0]); + glGetIntegerv(GL_GREEN_BITS, &bufferBits[1]); + glGetIntegerv(GL_BLUE_BITS, &bufferBits[2]); + glGetIntegerv(GL_ALPHA_BITS, &bufferBits[3]); + glGetIntegerv(GL_DEPTH_BITS, &bufferBits[4]); + + tolerance[0] = 2.0 / (1 << bufferBits[0]); + tolerance[1] = 2.0 / (1 << bufferBits[1]); + tolerance[2] = 2.0 / (1 << bufferBits[2]); + if (bufferBits[3]) + tolerance[3] = 2.0 / (1 << bufferBits[3]); + else + tolerance[3] = 1.0; + if (bufferBits[4]) + tolerance[4] = 16.0 / (1 << bufferBits[4]); + else + tolerance[4] = 1.0; + + // Check if GL_ARB_pixel_buffer_object is supported + if (!strstr((char *) glGetString(GL_EXTENSIONS), "GL_ARB_pixel_buffer_object")) { + //printf("GL_ARB_pixel_buffer_object is not supported\n"); + usePBO = 0; + return false; + } + else { + //printf("GL_ARB_pixel_buffer_object is supported\n"); + usePBO = 1; + } + + glBindBuffer_func = (PFNGLBINDBUFFERPROC) GLUtils::getProcAddress("glBindBuffer"); + assert(glBindBuffer_func); + glMapBuffer_func = (PFNGLMAPBUFFERPROC) GLUtils::getProcAddress("glMapBuffer"); + assert(glMapBuffer_func); + glUnmapBuffer_func = (PFNGLUNMAPBUFFERPROC) GLUtils::getProcAddress("glUnmapBuffer"); + assert(glUnmapBuffer_func); + + glBindBufferARB_func = (PFNGLBINDBUFFERARBPROC) GLUtils::getProcAddress("glBindBufferARB"); + assert(glBindBufferARB_func); + glDeleteBuffersARB_func = (PFNGLDELETEBUFFERSARBPROC) GLUtils::getProcAddress("glDeleteBuffersARB"); + assert(glDeleteBuffersARB_func); + glGenBuffersARB_func = (PFNGLGENBUFFERSARBPROC) GLUtils::getProcAddress("glGenBuffersARB"); + assert(glGenBuffersARB_func); + glIsBufferARB_func = (PFNGLISBUFFERARBPROC) GLUtils::getProcAddress("glIsBufferARB"); + assert(glIsBufferARB_func); + glBufferDataARB_func = (PFNGLBUFFERDATAARBPROC) GLUtils::getProcAddress("glBufferDataARB"); + assert(glBufferDataARB_func); + glMapBufferARB_func = (PFNGLMAPBUFFERARBPROC) GLUtils::getProcAddress("glMapBufferARB"); + assert(glMapBufferARB_func); + glUnmapBufferARB_func = (PFNGLUNMAPBUFFERARBPROC) GLUtils::getProcAddress("glUnmapBufferARB"); + assert(glUnmapBufferARB_func); + + return true; +} + + +void +PBOTest::reportFailure(const char *msg, const int line) const +{ + env->log << "FAILURE: " << msg << " (at tpbo.cpp:" << line << ")\n"; +} + +void +PBOTest::reportFailure(const char *msg, const GLenum target, const int line) const +{ + env->log << "FAILURE: " << msg; + if (target == GL_FRAGMENT_SHADER) + env->log << " (fragment)"; + else + env->log << " (vertex)"; + env->log << " (at tpbo.cpp:" << line << ")\n"; +} + +#define REPORT_FAILURE(MSG) reportFailure(MSG, __LINE__) +#define REPORT_FAILURE_T(MSG, TARGET) reportFailure(MSG, TARGET, __LINE__) +// Compare actual and expected colors +bool PBOTest::equalColors(const GLfloat act[3], const GLfloat exp[3]) const +{ + if ((fabsf(act[0] - exp[0]) > tolerance[0]) + || (fabsf(act[1] - exp[1]) > tolerance[1]) + || (fabsf(act[2] - exp[2]) > tolerance[2])) { + return false; + } + else + return true; +} + +bool PBOTest::equalColors1(const GLubyte act[3], const GLubyte exp[3]) const +{ + if ((act[0] != exp[0]) + || (act[1] != exp[1]) + || (act[2] != exp[2])) { + return false; + } + else + return true; +} + + + +#define TEXSIZE 64 + +bool PBOTest::testSanity(void) +{ + GLuint pbs[1]; + GLuint pb_binding; + + if (!usePBO) + return true; + + // Check default binding + glGetIntegerv(GL_PIXEL_UNPACK_BUFFER_BINDING_ARB, (GLint *) & pb_binding); + if (pb_binding != 0) { + REPORT_FAILURE("Failed to bind unpack pixel buffer object"); + return false; + } + + glGetIntegerv(GL_PIXEL_PACK_BUFFER_BINDING_ARB, (GLint *) & pb_binding); + if (pb_binding != 0) { + REPORT_FAILURE("Failed to bind pack pixel buffer object"); + return false; + } + + glGenBuffersARB_func(1, pbs); + + if (glIsBufferARB_func(pbs[0]) != GL_TRUE) { + REPORT_FAILURE("Failed to call glIsBuffersARB"); + return false; + } + + glBindBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, pbs[0]); + glGetIntegerv(GL_PIXEL_UNPACK_BUFFER_BINDING_ARB, (GLint *) & pb_binding); + glBindBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, 0); + if (pb_binding != pbs[0]) { + REPORT_FAILURE("Failed to bind unpack pixel buffer object"); + return false; + } + + glBindBufferARB_func(GL_PIXEL_PACK_BUFFER_ARB, pbs[0]); + glGetIntegerv(GL_PIXEL_PACK_BUFFER_BINDING_ARB, (GLint *) & pb_binding); + glBindBufferARB_func(GL_PIXEL_PACK_BUFFER_ARB, 0); + if (pb_binding != pbs[0]) { + REPORT_FAILURE("Failed to bind unpack pixel buffer object"); + return false; + } + + glDeleteBuffersARB_func(1, pbs); + + if (glIsBufferARB_func(pbs[0]) == GL_TRUE) { + REPORT_FAILURE("Failed to call glIsBuffersARB"); + return false; + } + + return true; +} + + +bool PBOTest::testDrawPixels(void) +{ + int useUnpackBuffer; + int usePackBuffer; + GLuint pb_pack[1]; + GLuint pb_unpack[1]; + GLubyte buf[windowSize * windowSize * 4]; + GLubyte t[TEXSIZE * TEXSIZE * 4]; + int i, j; + GLubyte * pboPackMem = NULL; + GLubyte black[3] = { 0, 0, 0 }; + + glBindBuffer_func(GL_PIXEL_UNPACK_BUFFER_ARB, 0); + glBindBuffer_func(GL_PIXEL_PACK_BUFFER_ARB, 0); + + for (useUnpackBuffer = 0; useUnpackBuffer < usePBO + 1; useUnpackBuffer++) { + for (usePackBuffer = 0; usePackBuffer < usePBO + 1; usePackBuffer++) { + glClearColor(0.0, 0.0, 0.0, 1.0); + glClear(GL_COLOR_BUFFER_BIT); + if (useUnpackBuffer) { + glGenBuffersARB_func(1, pb_unpack); + glBindBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, pb_unpack[0]); + glBufferDataARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, + TEXSIZE * TEXSIZE * 4 * sizeof(GLubyte), NULL, + GL_STREAM_DRAW); + } + GLubyte *pboMem = NULL; + if (useUnpackBuffer) { + pboMem = (GLubyte *) glMapBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, + GL_WRITE_ONLY); + } + else { + pboMem = t; + } + + for (i = 0; i < TEXSIZE; i++) + for (j = 0; j < TEXSIZE; j++) { + pboMem[4 * (i * TEXSIZE + j)] = i % 256; + pboMem[4 * (i * TEXSIZE + j) + 1] = i % 256; + pboMem[4 * (i * TEXSIZE + j) + 2] = i % 256; + pboMem[4 * (i * TEXSIZE + j) + 3] = 0; + } + + if (useUnpackBuffer) { + glUnmapBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB); + glBindBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, 0); + } + + if (useUnpackBuffer) { + glBindBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, pb_unpack[0]); + glDrawPixels(TEXSIZE, TEXSIZE, GL_BGRA, GL_UNSIGNED_BYTE, NULL); + glBindBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, 0); + } + else + glDrawPixels(TEXSIZE, TEXSIZE, GL_BGRA, GL_UNSIGNED_BYTE, pboMem); + + // Check the result + if (usePackBuffer) { + glGenBuffersARB_func(1, pb_pack); + glBindBufferARB_func(GL_PIXEL_PACK_BUFFER_ARB, pb_pack[0]); + glBufferDataARB_func(GL_PIXEL_PACK_BUFFER_ARB, + windowSize * windowSize * 4 * + sizeof(GL_UNSIGNED_BYTE), NULL, GL_STREAM_DRAW); + glReadPixels(0, 0, windowSize, windowSize, GL_BGRA, + GL_UNSIGNED_BYTE, NULL); + pboPackMem = (GLubyte *) glMapBufferARB_func(GL_PIXEL_PACK_BUFFER_ARB, + GL_READ_ONLY); + } + else { + pboPackMem = buf; + glReadPixels(0, 0, windowSize, windowSize, GL_BGRA, + GL_UNSIGNED_BYTE, pboPackMem); + } + + for (j = 0; j < windowSize; j++) { + for (i = 0; i < windowSize; i++) { + GLubyte exp[3]; + exp[0] = j % 256; + exp[1] = j % 256; + exp[2] = j % 256; + + if (i < TEXSIZE && j < TEXSIZE) { + if (equalColors1(&pboPackMem[(j * windowSize + i) * 4], exp) + != true) { + REPORT_FAILURE("glDrawPixels failed"); + printf(" got (%d, %d) = [%d, %d, %d], ", i, j, + pboPackMem[(j * windowSize + i) * 4], + pboPackMem[(j * windowSize + i) * 4 + 1], + pboPackMem[(j * windowSize + i) * 4 + 2]); + printf("should be [%d, %d, %d]\n", + exp[0], exp[1], exp[2]); + + return false; + } + } + else { + if (equalColors1(&pboPackMem[(j * windowSize + i) * 4], + black) != true) { + REPORT_FAILURE("glDrawPixels failed"); + printf("(%d, %d) = [%d, %d, %d], ", i, j, + pboPackMem[(j * windowSize + i) * 4], + pboPackMem[(j * windowSize + i) * 4 + 1], + pboPackMem[(j * windowSize + i) * 4 + 2]); + printf("should be [0.0, 0.0, 0.0]\n"); + return false; + } + + } + } + } + + + if (usePackBuffer) { + glBindBuffer_func(GL_PIXEL_PACK_BUFFER_ARB, 0); + glDeleteBuffersARB_func(1, pb_pack); + } + + if (useUnpackBuffer) { + glBindBuffer_func(GL_PIXEL_UNPACK_BUFFER_ARB, 0); + glDeleteBuffersARB_func(1, pb_unpack); + } + + } + } + + return true; +} + + +bool PBOTest::testPixelMap(void) +{ + int useUnpackBuffer; + int usePackBuffer; + GLuint pb_pack[1]; + GLuint pb_unpack[1]; + int i; + int size; + int max; + + glBindBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, 0); + glBindBufferARB_func(GL_PIXEL_PACK_BUFFER_ARB, 0); + + glGetIntegerv(GL_MAX_PIXEL_MAP_TABLE, &max); + + for (usePackBuffer = 0; usePackBuffer < usePBO + 1; usePackBuffer++) { + for (useUnpackBuffer = 0; useUnpackBuffer < usePBO + 1; + useUnpackBuffer++) { + glClearColor(0.0, 0.0, 0.0, 1.0); + glClear(GL_COLOR_BUFFER_BIT); + if (useUnpackBuffer) { + glGenBuffersARB_func(1, pb_unpack); + glBindBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, pb_unpack[0]); + glBufferDataARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, max * sizeof(GLushort), + NULL, GL_STREAM_DRAW); + } + GLushort *pboMem = NULL; + if (useUnpackBuffer) { + pboMem = (GLushort *) glMapBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, + GL_WRITE_ONLY); + } + else { + pboMem = (GLushort *) malloc(sizeof(GLushort) * max); + } + for (i = 0; i < max; i++) + pboMem[i] = max - i - 1; + + if (useUnpackBuffer) { + glUnmapBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB); + glPixelMapusv(GL_PIXEL_MAP_R_TO_R, max, NULL); + glPixelMapusv(GL_PIXEL_MAP_G_TO_G, max, NULL); + glPixelMapusv(GL_PIXEL_MAP_B_TO_B, max, NULL); + glPixelMapusv(GL_PIXEL_MAP_A_TO_A, max, NULL); + glBindBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, 0); + } + else { + glPixelMapusv(GL_PIXEL_MAP_R_TO_R, max, pboMem); + glPixelMapusv(GL_PIXEL_MAP_G_TO_G, max, pboMem); + glPixelMapusv(GL_PIXEL_MAP_B_TO_B, max, pboMem); + glPixelMapusv(GL_PIXEL_MAP_A_TO_A, max, pboMem); + free(pboMem); + } + + + glGetIntegerv(GL_PIXEL_MAP_R_TO_R_SIZE, &size); + if (size != max) { + REPORT_FAILURE("glPixelMap failed"); + return false; + } + glPixelTransferi(GL_MAP_COLOR, GL_FALSE); + + // Read back pixel map + if (usePackBuffer) { + glGenBuffersARB_func(1, pb_pack); + glBindBufferARB_func(GL_PIXEL_PACK_BUFFER_ARB, pb_pack[0]); + glBufferDataARB_func(GL_PIXEL_PACK_BUFFER_ARB, max * sizeof(GLushort), + NULL, GL_STREAM_DRAW); + glGetPixelMapusv(GL_PIXEL_MAP_R_TO_R, NULL); + pboMem = (GLushort *) glMapBufferARB_func(GL_PIXEL_PACK_BUFFER_ARB, + GL_READ_ONLY); + } + else { + pboMem = (GLushort *) malloc(sizeof(GLushort) * max); + glGetPixelMapusv(GL_PIXEL_MAP_R_TO_R, pboMem); + } + + for (i = 0; i < max; i++) { + if (pboMem[i] != (255 - i)) { + REPORT_FAILURE("get PixelMap failed"); + return false; + } + } + + + if (usePackBuffer) { + glUnmapBufferARB_func(GL_PIXEL_PACK_BUFFER_ARB); + glBindBufferARB_func(GL_PIXEL_PACK_BUFFER_ARB, 0); + glDeleteBuffersARB_func(1, pb_pack); + } + else { + free(pboMem); + } + + if (useUnpackBuffer) { + glBindBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, 0); + glDeleteBuffersARB_func(1, pb_unpack); + } + + } + } + + return true; +} + +bool PBOTest::testBitmap(void) +{ + GLuint pb_unpack[1]; + GLuint pb_pack[1]; + int useUnpackBuffer = usePBO; + int usePackBuffer = 0; + GLubyte bitmap[TEXSIZE * TEXSIZE / 8]; + GLfloat buf[windowSize * windowSize * 3]; + GLfloat white[3] = { 1.0, 1.0, 1.0 }; + GLfloat black[3] = { 0.0, 0.0, 0.0 }; + int i, j; + GLubyte *pboUnpackMem = NULL; + GLfloat *pboPackMem = NULL; + + glBindBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, 0); + glBindBufferARB_func(GL_PIXEL_PACK_BUFFER_ARB, 0); + + for (usePackBuffer = 0; usePackBuffer < usePBO + 1; usePackBuffer++) { + for (useUnpackBuffer = 0; useUnpackBuffer < usePBO + 1; + useUnpackBuffer++) { + glClearColor(0.0, 0.0, 0.0, 1.0); + glClear(GL_COLOR_BUFFER_BIT); + + if (useUnpackBuffer) { + glGenBuffersARB_func(1, pb_unpack); + glBindBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, pb_unpack[0]); + glBufferDataARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, TEXSIZE * TEXSIZE, NULL, + GL_STREAM_DRAW); + pboUnpackMem = (GLubyte *) glMapBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, + GL_WRITE_ONLY); + } + else { + pboUnpackMem = bitmap; + } + + for (i = 0; i < TEXSIZE * TEXSIZE / 8; i++) { + pboUnpackMem[i] = 0xAA; + } + + + glColor4f(1.0, 1.0, 1.0, 0.0); + glRasterPos2f(0.0, 0.0); + if (useUnpackBuffer) { + glUnmapBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB); + glBitmap(TEXSIZE, TEXSIZE, 0, 0, 0, 0, NULL); + glBindBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, 0); + } + else + glBitmap(TEXSIZE, TEXSIZE, 0, 0, 0, 0, pboUnpackMem); + + // Check the result + if (usePackBuffer) { + glGenBuffersARB_func(1, pb_pack); + glBindBufferARB_func(GL_PIXEL_PACK_BUFFER_ARB, pb_pack[0]); + glBufferDataARB_func(GL_PIXEL_PACK_BUFFER_ARB, + windowSize * windowSize * 4 * sizeof(GLfloat), + NULL, + GL_STREAM_DRAW); + glReadPixels(0, 0, windowSize, windowSize, GL_RGB, GL_FLOAT, + NULL); + pboPackMem = + (GLfloat *) glMapBufferARB_func(GL_PIXEL_PACK_BUFFER_ARB, + GL_READ_ONLY); + } + else { + pboPackMem = buf; + glReadPixels(0, 0, windowSize, windowSize, GL_RGB, GL_FLOAT, + pboPackMem); + } + + for (j = 0; j < windowSize; j++) { + for (i = 0; i < windowSize; i++) { + const GLfloat *exp; + if ((i & 1)) + exp = black; + else + exp = white; + if (i < TEXSIZE && j < TEXSIZE) { + if (equalColors(&pboPackMem[(j * windowSize + i) * 3], exp) + != true) { + REPORT_FAILURE("glBitmap failed"); + printf(" got (%d, %d) = [%f, %f, %f], ", i, j, + pboPackMem[(j * windowSize + i) * 3], + pboPackMem[(j * windowSize + i) * 3 + 1], + pboPackMem[(j * windowSize + i) * 3 + 2]); + printf("should be [%f, %f, %f]\n", + exp[0], exp[1], exp[2]); + + return false; + } + } + else { + if (equalColors + (&pboPackMem[(j * windowSize + i) * 3], + black) != true) { + REPORT_FAILURE("glBitmap failed"); + printf("(%d, %d) = [%f, %f, %f], ", i, j, + pboPackMem[(j * windowSize + i) * 3], + pboPackMem[(j * windowSize + i) * 3 + 1], + pboPackMem[(j * windowSize + i) * 3 + 2]); + printf("should be [0.0, 0.0, 0.0]\n"); + return false; + } + + } + } + } + if (usePackBuffer) { + glUnmapBuffer_func(GL_PIXEL_PACK_BUFFER_ARB); + glBindBuffer_func(GL_PIXEL_PACK_BUFFER_ARB, 0); + glDeleteBuffersARB_func(1, pb_pack); + } + + if (useUnpackBuffer) { + glBindBuffer_func(GL_PIXEL_UNPACK_BUFFER_ARB, 0); + glDeleteBuffersARB_func(1, pb_unpack); + } + } + } + return true; +} + + +bool PBOTest::testTexImage(void) +{ + int breakCOWPBO, breakCOWTexture; + int useTexUnpackBuffer, useTexPackBuffer; + GLuint unpack_pb[1]; + GLuint pack_pb[1]; + GLfloat t1[TEXSIZE * TEXSIZE * 3]; + GLfloat t2[TEXSIZE * TEXSIZE * 3]; + GLfloat *pboMem = NULL; + int i, j; + GLfloat green[3] = { 1.0, 1.0, 0.0 }; + GLfloat black[3] = { 0.0, 0.0, 0.0 }; + GLfloat buf[windowSize * windowSize * 3]; + + glBindBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, 0); + glBindBufferARB_func(GL_PIXEL_PACK_BUFFER_ARB, 0); + + glClearColor(0.0, 0.0, 0.0, 1.0); + glClear(GL_COLOR_BUFFER_BIT); + + for (useTexPackBuffer = 0; useTexPackBuffer < usePBO + 1; + useTexPackBuffer++) { + for (useTexUnpackBuffer = 0; useTexUnpackBuffer < usePBO + 1; + useTexUnpackBuffer++) { + for (breakCOWPBO = 0; breakCOWPBO < useTexUnpackBuffer + 1; + breakCOWPBO++) { + for (breakCOWTexture = 0; + breakCOWTexture < useTexUnpackBuffer + 1; + breakCOWTexture++) { + if (useTexUnpackBuffer) { + glGenBuffersARB_func(1, unpack_pb); + if (glIsBufferARB_func(unpack_pb[0]) == false) + return false; + glBindBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, unpack_pb[0]); + glBufferDataARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, + TEXSIZE * TEXSIZE * 3 * sizeof(GLfloat), NULL, + GL_STREAM_DRAW); + } + + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, + GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, + GL_NEAREST); + + if (useTexUnpackBuffer) { + pboMem = + (GLfloat *) glMapBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, + GL_WRITE_ONLY); + } + else { + pboMem = t1; + } + + for (i = 0; i < TEXSIZE * TEXSIZE; i++) { + pboMem[3 * i] = 1.0; + pboMem[3 * i + 1] = 1.0; + pboMem[3 * i + 2] = 0.0; + } + + if (useTexUnpackBuffer) { + glUnmapBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB); + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, TEXSIZE, TEXSIZE, 0, + GL_RGB, GL_FLOAT, NULL); + glBindBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, 0); + } + else + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, TEXSIZE, TEXSIZE, 0, + GL_RGB, GL_FLOAT, pboMem); + + if (useTexUnpackBuffer) { + if (breakCOWPBO) { + glBindBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, unpack_pb[0]); + pboMem = + (GLfloat *) glMapBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, + GL_WRITE_ONLY); + for (i = 0; i < TEXSIZE * TEXSIZE * 3; i++) + pboMem[i] = 0.2; + glUnmapBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB); + glBindBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, 0); + } + } + + if (useTexUnpackBuffer) { + if (breakCOWTexture) { + GLfloat temp[1 * 1 * 3]; + for (i = 0; i < 1 * 1 * 3; i++) + temp[i] = 0.8; + glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 1, 1, GL_RGB, + GL_FLOAT, temp); + } + } + + // Check PBO's content + if (useTexUnpackBuffer) { + glBindBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, unpack_pb[0]); + pboMem = (GLfloat *) glMapBuffer_func(GL_PIXEL_UNPACK_BUFFER_ARB, + GL_READ_ONLY); + if (breakCOWPBO) { + for (i = 0; i < TEXSIZE * TEXSIZE * 3; i++) + if (fabsf(pboMem[i] - 0.2) > tolerance[0]) { + REPORT_FAILURE + ("PBO modified by someone else, there must be something wrong"); + return false; + } + } + glUnmapBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB); + glBindBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, 0); + } + + + // Read texture back + if (useTexPackBuffer) { + glGenBuffersARB_func(1, pack_pb); + glBindBufferARB_func(GL_PIXEL_PACK_BUFFER_ARB, pack_pb[0]); + glBufferDataARB_func(GL_PIXEL_PACK_BUFFER_ARB, + TEXSIZE * TEXSIZE * 3 * sizeof(GLfloat), NULL, + GL_STREAM_DRAW); + glGetTexImage(GL_TEXTURE_2D, 0, GL_RGB, GL_FLOAT, NULL); + pboMem = (GLfloat *) glMapBufferARB_func(GL_PIXEL_PACK_BUFFER_ARB, + GL_READ_ONLY); + } + else { + glGetTexImage(GL_TEXTURE_2D, 0, GL_RGB, GL_FLOAT, t2); + pboMem = t2; + } + + // Check texture image + for (i = 0; i < TEXSIZE * TEXSIZE; i++) { + if (i == 0 && breakCOWTexture && useTexUnpackBuffer) { + GLfloat exp[3] = { 0.8, 0.8, 0.8 }; + if (equalColors(&pboMem[i * 3], exp) != true) { + REPORT_FAILURE("glGetTexImage failed"); + printf(" got (%d) = [%f, %f, %f], ", i, + pboMem[i * 3], + pboMem[i * 3 + 1], pboMem[i * 3 + 2]); + printf("should be [%f, %f, %f]\n", + exp[0], exp[1], exp[2]); + + return false; + } + } + else { + GLfloat exp[3] = { 1.0, 1.0, 0.0 }; + if (equalColors(&pboMem[i * 3], exp) != true) { + REPORT_FAILURE("glGetTexImage failed"); + printf(" got (%d) = [%f, %f, %f], ", i, + pboMem[i * 3], + pboMem[i * 3 + 1], pboMem[i * 3 + 2]); + printf("should be [%f, %f, %f]\n", + exp[0], exp[1], exp[2]); + + return false; + } + } + } + + if (useTexPackBuffer) { + glUnmapBufferARB_func(GL_PIXEL_PACK_BUFFER_ARB); + glBindBufferARB_func(GL_PIXEL_PACK_BUFFER_ARB, 0); + glDeleteBuffersARB_func(1, pack_pb); + } + if (useTexUnpackBuffer) { + glDeleteBuffersARB_func(1, unpack_pb); + } + + glEnable(GL_TEXTURE_2D); + glBegin(GL_POLYGON); + glTexCoord2f(0, 0); + glVertex2f(0, 0); + glTexCoord2f(1, 0); + glVertex2f(TEXSIZE, 0); + glTexCoord2f(1, 1); + glVertex2f(TEXSIZE, TEXSIZE); + glTexCoord2f(0, 1); + glVertex2f(0, TEXSIZE); + glEnd(); + + glReadPixels(0, 0, windowSize, windowSize, GL_RGB, GL_FLOAT, + buf); + for (j = 0; j < windowSize; j++) { + for (i = 0; i < windowSize; i++) { + if (i == 0 && j == 0 && breakCOWTexture + && useTexUnpackBuffer) { + GLfloat exp[3] = { 0.8, 0.8, 0.8 }; + if (equalColors(&buf[(j * windowSize + i) * 3], exp) + != true) { + REPORT_FAILURE("glTexImage failed"); + printf(" got (%d, %d) = [%f, %f, %f], ", i, j, + buf[(j * windowSize + i) * 3], + buf[(j * windowSize + i) * 3 + 1], + buf[(j * windowSize + i) * 3 + 2]); + printf("should be [%f, %f, %f]\n", + exp[0], exp[1], exp[2]); + + return false; + } + } + else if (i < TEXSIZE && j < TEXSIZE) { + if (equalColors(&buf[(j * windowSize + i) * 3], green) + != true) { + REPORT_FAILURE("glTexImage failed"); + printf(" got (%d, %d) = [%f, %f, %f], ", i, j, + buf[(j * windowSize + i) * 3], + buf[(j * windowSize + i) * 3 + 1], + buf[(j * windowSize + i) * 3 + 2]); + printf("should be [%f, %f, %f]\n", + green[0], green[1], green[2]); + + return false; + } + } + else { + if (equalColors(&buf[(j * windowSize + i) * 3], black) + != true) { + REPORT_FAILURE("glTexImage failed"); + printf("(%d, %d) = [%f, %f, %f], ", i, j, + buf[(j * windowSize + i) * 3], + buf[(j * windowSize + i) * 3 + 1], + buf[(j * windowSize + i) * 3 + 2]); + printf("should be [0.0, 0.0, 0.0]\n"); + + return false; + } + } + } + } + } + } + } + } + + return true; +} + +bool PBOTest::testTexSubImage(void) +{ + GLuint pbs[1]; + GLfloat t[TEXSIZE * TEXSIZE * 3]; + int i, j; + int useUnpackBuffer = 0; + GLfloat green[3] = { 0.0, 1.0, 0.0 }; + GLfloat black[3] = { 0.0, 0.0, 0.0 }; + + glBindBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, 0); + glBindBufferARB_func(GL_PIXEL_PACK_BUFFER_ARB, 0); + + for (useUnpackBuffer = 0; useUnpackBuffer < usePBO + 1; useUnpackBuffer++) { + glClearColor(0.0, 0.0, 0.0, 1.0); + glClear(GL_COLOR_BUFFER_BIT); + + if (useUnpackBuffer) { + glGenBuffersARB_func(1, pbs); + glBindBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, pbs[0]); + glBufferDataARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, TEXSIZE * TEXSIZE * 3 * sizeof(GLfloat), + NULL, GL_STREAM_DRAW); + glBindBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, 0); + } + + 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, GL_RGB, TEXSIZE, TEXSIZE, 0, GL_RGB, + GL_FLOAT, NULL); + + GLfloat *pboMem = NULL; + if (useUnpackBuffer) { + glBindBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, pbs[0]); + pboMem = (GLfloat *) glMapBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, + GL_WRITE_ONLY); + } + else { + pboMem = t; + } + + for (i = 0; i < TEXSIZE * TEXSIZE; i++) { + pboMem[3 * i] = 0.0; + pboMem[3 * i + 1] = 1.0; + pboMem[3 * i + 2] = 0.0; + } + + if (useUnpackBuffer) { + glUnmapBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB); + glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, TEXSIZE, TEXSIZE, GL_RGB, + GL_FLOAT, NULL); + glBindBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, 0); + } + else + glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, TEXSIZE, TEXSIZE, GL_RGB, + GL_FLOAT, pboMem); + + glEnable(GL_TEXTURE_2D); + glBegin(GL_POLYGON); + glTexCoord2f(0, 0); + glVertex2f(0, 0); + glTexCoord2f(1, 0); + glVertex2f(10, 0); + glTexCoord2f(1, 1); + glVertex2f(10, 10); + glTexCoord2f(0, 1); + glVertex2f(0, 10); + glEnd(); + glDisable(GL_TEXTURE_2D); + + GLfloat buf[windowSize * windowSize * 3]; + + glReadPixels(0, 0, windowSize, windowSize, GL_RGB, GL_FLOAT, buf); + for (j = 0; j < windowSize; j++) { + for (i = 0; i < windowSize; i++) { + if (i < 10 && j < 10) { + if (equalColors(&buf[(j * windowSize + i) * 3], green) != true) { + REPORT_FAILURE("glTexSubImage failed"); + printf(" got (%d, %d) = [%f, %f, %f], ", i, j, + buf[(j * windowSize + i) * 3], + buf[(j * windowSize + i) * 3 + 1], + buf[(j * windowSize + i) * 3 + 2]); + printf("should be [%f, %f, %f]\n", + green[0], green[1], green[2]); + + return false; + } + } + else { + if (equalColors(&buf[(j * windowSize + i) * 3], black) != true) { + REPORT_FAILURE("glTexSubImage failed"); + printf("(%d, %d) = [%f, %f, %f], ", i, j, + buf[(j * windowSize + i) * 3], + buf[(j * windowSize + i) * 3 + 1], + buf[(j * windowSize + i) * 3 + 2]); + printf("should be [0.0, 0.0, 0.0]\n"); + + return false; + } + + } + } + } + } + return true; +} + +bool PBOTest::testPolygonStip(void) +{ + int useUnpackBuffer = 0; + int usePackBuffer = 0; + GLuint unpack_pb[1]; + GLuint pack_pb[1]; + GLubyte t1[32 * 32 / 8]; + GLubyte t2[32 * 32 / 8]; + GLubyte *pboMem = NULL; + int i, j; + GLfloat white[3] = { 1.0, 1.0, 1.0 }; + GLfloat black[3] = { 0.0, 0.0, 0.0 }; + + glBindBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, 0); + glBindBufferARB_func(GL_PIXEL_PACK_BUFFER_ARB, 0); + + for (useUnpackBuffer = 0; useUnpackBuffer < usePBO + 1; useUnpackBuffer++) { + for (usePackBuffer = 0; usePackBuffer < usePBO + 1; usePackBuffer++) { + glClearColor(0.0, 0.0, 0.0, 1.0); + glClear(GL_COLOR_BUFFER_BIT); + + if (useUnpackBuffer) { + glGenBuffersARB_func(1, unpack_pb); + glBindBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, unpack_pb[0]); + glBufferDataARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, 32 * 32 / 8, NULL, + GL_STREAM_DRAW); + pboMem = (GLubyte *) glMapBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, + GL_WRITE_ONLY); + } + else { + pboMem = t1; + } + + + // Fill in the stipple pattern + for (i = 0; i < 32 * 32 / 8; i++) { + pboMem[i] = 0xAA; + } + + if (useUnpackBuffer) { + glUnmapBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB); + glPolygonStipple(NULL); + } + else { + glPolygonStipple(pboMem); + } + + // Read back the stipple pattern + if (usePackBuffer) { + glGenBuffersARB_func(1, pack_pb); + glBindBufferARB_func(GL_PIXEL_PACK_BUFFER_ARB, pack_pb[0]); + glBufferDataARB_func(GL_PIXEL_PACK_BUFFER_ARB, 32 * 32 / 8, NULL, + GL_STREAM_DRAW); + glGetPolygonStipple(NULL); + pboMem = (GLubyte *) glMapBufferARB_func(GL_PIXEL_PACK_BUFFER_ARB, + GL_READ_ONLY); + } + else { + glGetPolygonStipple(t2); + pboMem = t2; + } + + for (i = 0; i < 32 * 32 / 8; i++) { + if (pboMem[i] != 0xAA) { + REPORT_FAILURE("glGetPolygonStipple failed"); + return false; + } + } + + + if (useUnpackBuffer) { + glBindBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, 0); + glDeleteBuffersARB_func(1, unpack_pb); + } + if (usePackBuffer) { + glBindBufferARB_func(GL_PIXEL_PACK_BUFFER_ARB, 0); + glDeleteBuffersARB_func(1, pack_pb); + } + + glEnable(GL_POLYGON_STIPPLE); + glBegin(GL_POLYGON); + glVertex2f(0, 0); + glVertex2f(10, 0); + glVertex2f(10, 10); + glVertex2f(0, 10); + glEnd(); + + glDisable(GL_POLYGON_STIPPLE); + + // Check the result + GLfloat buf[windowSize * windowSize * 3]; + + glReadPixels(0, 0, windowSize, windowSize, GL_RGB, GL_FLOAT, buf); + + for (j = 0; j < windowSize; j++) { + for (i = 0; i < windowSize; i++) { + const GLfloat *exp; + if (i & 1) + exp = black; + else + exp = white; + if (i < 10 && j < 10) { + if (equalColors(&buf[(j * windowSize + i) * 3], exp) != + true) { + REPORT_FAILURE("glGetPolygonStipple failed"); + printf("(%d, %d) = [%f, %f, %f], ", i, j, + buf[(j * windowSize + i) * 3], + buf[(j * windowSize + i) * 3 + 1], + buf[(j * windowSize + i) * 3 + 2]); + printf("should be [1.0, 1.0, 1.0]\n"); + return false; + } + } + else { + if (equalColors(&buf[(j * windowSize + i) * 3], black) != + true) { + REPORT_FAILURE("glGetPolygonStipple failed"); + printf("(%d, %d) = [%f, %f, %f], ", i, j, + buf[(j * windowSize + i) * 3], + buf[(j * windowSize + i) * 3 + 1], + buf[(j * windowSize + i) * 3 + 2]); + printf("should be [0.0, 0.0, 0.0]\n"); + return false; + } + + } + } + } + + } + } + + return true; +} + + +bool PBOTest::testErrorHandling(void) +{ + GLuint fbs[1]; + + glBindBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, 0); + glBindBufferARB_func(GL_PIXEL_PACK_BUFFER_ARB, 0); + + if (usePBO) { + /* test that glDrawPixels from too small of buffer raises error */ + glGenBuffersARB_func(1, fbs); + glBindBufferARB_func(GL_PIXEL_UNPACK_BUFFER, fbs[0]); + glBufferDataARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, 32 * 32 * 4, NULL, + GL_STREAM_DRAW); + glDrawPixels(32, 32 + 1, GL_BGRA, GL_UNSIGNED_BYTE, NULL); + if (glGetError() != GL_INVALID_OPERATION) + return false; + + glDeleteBuffersARB_func(1, fbs); + glBindBufferARB_func(GL_PIXEL_UNPACK_BUFFER, 0); + + /* test that glReadPixels into too small of buffer raises error */ + glGenBuffersARB_func(1, fbs); + glBindBufferARB_func(GL_PIXEL_PACK_BUFFER, fbs[0]); + glBufferDataARB_func(GL_PIXEL_PACK_BUFFER_ARB, 32 * 32 * 4, NULL, + GL_STREAM_DRAW); + glReadPixels(0, 0, 32, 32 + 1, GL_BGRA, GL_UNSIGNED_BYTE, NULL); + if (glGetError() != GL_INVALID_OPERATION) + return false; + + glDeleteBuffersARB_func(1, fbs); + glBindBufferARB_func(GL_PIXEL_PACK_BUFFER, 0); + } + return true; +} + +bool PBOTest::testFunctionality(MultiTestResult & r) +{ + static SubTestFunc + funcs[] = { + &GLEAN::PBOTest::testSanity, + &GLEAN::PBOTest::testBitmap, + &GLEAN::PBOTest::testDrawPixels, + &GLEAN::PBOTest::testPixelMap, + &GLEAN::PBOTest::testTexImage, + &GLEAN::PBOTest::testTexSubImage, + &GLEAN::PBOTest::testPolygonStip, + &GLEAN::PBOTest::testErrorHandling, + NULL + }; + + for (int i = 0; funcs[i]; i++) + if ((this->*funcs[i]) ()) + r.numPassed++; + else + r.numFailed++; + return true; +} + +enum { + BLACK, + RED, + GREEN, + BLUE, +WHITE }; + +GLfloat colors1[][4] = { + {0.0, 0.0, 0.0, 0.0}, + {1.0, 0.0, 0.0, 1.0}, + {0.0, 1.0, 0.0, 1.0}, + {0.0, 0.0, 1.0, 1.0}, + {1.0, 1.0, 1.0, 1.0} +}; + +#define TEXSIZE1 64 +bool PBOTest::testPerformance(MultiTestResult & r) +{ + GLuint pbs[1]; + GLuint textures[1]; + GLubyte data[TEXSIZE1 * TEXSIZE1 * 4]; + int mode; + int i, j; + Timer t; + double t0, t1, perf[2]; + GLubyte *pboMem = NULL; + + (void) r; + + for (mode = 0; mode < usePBO + 1; mode++) { + t0 = t.getClock(); + + glClearColor(0.0, 0.0, 0.0, 1.0); + glClear(GL_COLOR_BUFFER_BIT); + if (mode) { + glGenBuffersARB_func(1, pbs); + glBindBufferARB_func(GL_PIXEL_UNPACK_BUFFER, pbs[0]); + glBufferDataARB_func(GL_PIXEL_UNPACK_BUFFER, + TEXSIZE1 * TEXSIZE1 * 4 * sizeof(GLubyte), NULL, + GL_STREAM_DRAW); + } + glGenTextures(1, textures); + glBindTexture(GL_TEXTURE_2D, textures[0]); + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, TEXSIZE1, + TEXSIZE1, 0, GL_BGRA, GL_UNSIGNED_BYTE, NULL); + + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + + for (i = 0; i < 1024; i++) { + if (mode) { + glBindBufferARB_func(GL_PIXEL_UNPACK_BUFFER, pbs[0]); + pboMem = + (GLubyte *) glMapBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB, + GL_WRITE_ONLY); + } + else { + pboMem = data; + } + + for (j = 0; j < TEXSIZE1 * TEXSIZE1; j++) { + pboMem[4 * j] = 255; + pboMem[4 * j + 1] = 255; + pboMem[4 * j + 2] = 0; + pboMem[4 * j + 3] = 0; + } + + if (mode) { + glUnmapBufferARB_func(GL_PIXEL_UNPACK_BUFFER_ARB); + glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, TEXSIZE1, + TEXSIZE1, GL_BGRA, GL_UNSIGNED_BYTE, NULL); + glBindBufferARB_func(GL_PIXEL_UNPACK_BUFFER, 0); + } + else { + glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, TEXSIZE1, + TEXSIZE1, GL_BGRA, GL_UNSIGNED_BYTE, data); + } + + + // Actually apply the texture + glEnable(GL_TEXTURE_2D); + glColor4fv(colors1[WHITE]); + + glBegin(GL_POLYGON); + glTexCoord2f(0.0, 0.0); + glVertex2f(0, 0); + glTexCoord2f(1.0, 0.0); + glVertex2f(1, 0); + glTexCoord2f(1.0, 1.0); + glVertex2f(1, 1); + glTexCoord2f(0.0, 1.0); + glVertex2f(0, 1); + glEnd(); + glFlush(); + glDisable(GL_TEXTURE_2D); + } + t1 = t.getClock(); + glDeleteTextures(1, textures); + if (mode) + glDeleteBuffersARB_func(1, pbs); + + perf[mode] = (double) TEXSIZE1 * TEXSIZE1 * 3 * sizeof(GLfloat) / 1024 / (t1 - t0); + + } + + if (perf[1] < perf[0] && usePBO) { + env->log << name << ": NOTE " + << "perf[0] = " << perf[0] << + " MB/s, which is in normal mode" << endl; + env->log << name << ": NOTE " << "perf[1] = " << + perf[1] << " MB/s, which is using PBO" << endl; + } + + return true; +} + + + +// Run all the subtests, incrementing numPassed, numFailed +void +PBOTest::runSubTests(MultiTestResult & r) +{ + static TestFunc funcs[] = { + &GLEAN::PBOTest::testFunctionality, + &GLEAN::PBOTest::testPerformance, + NULL + }; + + for (int i = 0; funcs[i]; i++) + if ((this->*funcs[i]) (r)) + r.numPassed++; + else + r.numFailed++; +} + + +void +PBOTest::runOne(MultiTestResult & r, Window & w) +{ + (void) w; + + if (!setup()) { + r.pass = false; + return; + } + + runSubTests(r); + + r.pass = (r.numFailed == 0); +} + + +// The test object itself: +PBOTest pboTest("pbo", "window, rgb, z", "", // no extension filter + "pbo test: Test OpenGL Extension GL_ARB_pixel_buffer_object\n"); + + + +} // namespace GLEAN |