---
tests/all.py | 1 +
tests/spec/gl-2.1/CMakeLists.gl.txt | 1 +
tests/spec/gl-2.1/pbo.c | 1056 +++++++++++++++++++++++++++++++++++
3 files changed, 1058 insertions(+)
create mode 100644 tests/spec/gl-2.1/pbo.c
diff --git a/tests/all.py b/tests/all.py
index de32fe7..dc3e938 100644
--- a/tests/all.py
+++ b/tests/all.py
@@ -913,6 +913,7 @@ add_concurrent_test(gl20, "gl-2.0-active-sampler-conflict")
gl21 = {}
spec['!OpenGL 2.1'] = gl21
gl21['minmax'] = PiglitGLTest('gl-2.1-minmax', run_concurrent=True)
+gl21['pbo'] = PiglitGLTest('gl-2.1-pbo', run_concurrent=True)
gl30 = {}
spec['!OpenGL 3.0'] = gl30
diff --git a/tests/spec/gl-2.1/CMakeLists.gl.txt
b/tests/spec/gl-2.1/CMakeLists.gl.txt
index 7e60f1d..f395e32 100644
--- a/tests/spec/gl-2.1/CMakeLists.gl.txt
+++ b/tests/spec/gl-2.1/CMakeLists.gl.txt
@@ -11,3 +11,4 @@ link_libraries (
)
piglit_add_executable (gl-2.1-minmax minmax.c)
+piglit_add_executable (gl-2.1-pbo pbo.c)
diff --git a/tests/spec/gl-2.1/pbo.c b/tests/spec/gl-2.1/pbo.c
new file mode 100644
index 0000000..b6c51e9
--- /dev/null
+++ b/tests/spec/gl-2.1/pbo.c
@@ -0,0 +1,1056 @@
+/* BEGIN_COPYRIGHT -*- glean -*-
+ *
+ * Copyright (C) 2007, 2014 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 THE AUTHORS OR COPYRIGHT
+ * HOLDERS 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
+ */
+
+/** @file pbo.c
+ *
+ * Test OpenGL Extension GL_ARB_pixel_buffer_object
+ *
+ * Authors:
+ * Shuang He <[email protected]>
+ * Adapted to Piglit by Laura Ekstrand <[email protected]>, November 2014.
+ */
+
+#include "piglit-util-gl.h"
+
+#define WINSIZE 100
+#define BUFFER_OFFSET(i) ((char *)NULL + (i))
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+ config.supports_gl_compat_version = 10;
+
+ config.window_visual = PIGLIT_GL_VISUAL_RGBA |
+ PIGLIT_GL_VISUAL_DOUBLE;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+void
+piglit_init(int argc, char **argv)
+{
+ piglit_require_extension("GL_ARB_pixel_buffer_object");
+
+ piglit_ortho_projection(piglit_width, piglit_height, GL_FALSE);
+}
+
+static void
+report_failure(const char *msg, const int line)
+{
+ printf("FAILURE: %s (at pbo.c: %d)\n", msg, line);
+}
+
+#define REPORT_FAILURE(MSG) report_failure(MSG, __LINE__)
+
+#define TEXSIZE 64
+
+enum piglit_result
+test_sanity(void)
+{
+ GLuint pbs[1];
+ GLuint pb_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 PIGLIT_FAIL;
+ }
+
+ glGetIntegerv(GL_PIXEL_PACK_BUFFER_BINDING_ARB,
+ (GLint *) & pb_binding);
+ if (pb_binding != 0) {
+ REPORT_FAILURE("Failed to bind pack pixel buffer object");
+ return PIGLIT_FAIL;
+ }
+
+ glGenBuffersARB(1, pbs);
+
+ if (glIsBufferARB(pbs[0]) != GL_FALSE) {
+ REPORT_FAILURE("glIsBufferARB failed");
+ return PIGLIT_FAIL;
+ }
+
+ 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 PIGLIT_FAIL;
+ }
+
+ 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 PIGLIT_FAIL;
+ }
+
+ glDeleteBuffersARB(1, pbs);
+
+ if (glIsBufferARB(pbs[0]) == GL_TRUE) {
+ REPORT_FAILURE("glIsBufferARB failed");
+ return PIGLIT_FAIL;
+ }
+
+ return PIGLIT_PASS;
+}
+
+enum piglit_result
+test_draw_pixels(void)
+{
+ int use_unpack;
+ int use_pack;
+ GLuint pb_pack[1];
+ GLuint pb_unpack[1];
+ GLubyte buf[WINSIZE * WINSIZE * 4];
+ GLubyte t[TEXSIZE * TEXSIZE * 4];
+ int i, j;
+ GLubyte * pbo_pack_mem = NULL;
+ GLubyte black[4] = { 0, 0, 0, 255 };
+ bool pass = true;
+ GLubyte expected[WINSIZE * WINSIZE * 4];
+
+ glBindBuffer(GL_PIXEL_UNPACK_BUFFER_ARB, 0);
+ glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, 0);
+
+ for (use_unpack = 0; use_unpack < 2; use_unpack++) {
+ for (use_pack = 0; use_pack < 2; use_pack++) {
+ GLubyte *pbo_mem = NULL;
+ glClearColor(0.0, 0.0, 0.0, 1.0);
+ glClear(GL_COLOR_BUFFER_BIT);
+ if (use_unpack) {
+ glGenBuffersARB(1, pb_unpack);
+ glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB,
+ pb_unpack[0]);
+ glBufferDataARB(GL_PIXEL_UNPACK_BUFFER_ARB,
+ TEXSIZE * TEXSIZE * 4 *
+ sizeof(GLubyte), NULL,
+ GL_STREAM_DRAW);
+ }
+ if (use_unpack) {
+ pbo_mem = (GLubyte *) glMapBufferARB(
+ GL_PIXEL_UNPACK_BUFFER_ARB,
+ GL_WRITE_ONLY);
+ }
+ else {
+ pbo_mem = t;
+ }
+
+ /* Fill the buffer */
+ for (i = 0; i < TEXSIZE; i++)
+ for (j = 0; j < TEXSIZE; j++) {
+ int idx = 4 * (i * TEXSIZE + j);
+ pbo_mem[idx + 0] = i % 256;
+ pbo_mem[idx + 1] = i % 256;
+ pbo_mem[idx + 2] = i % 256;
+ pbo_mem[idx + 3] = 0;
+ }
+
+ if (use_unpack) {
+ glUnmapBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB);
+ glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB,
+ 0);
+ }
+
+ /* Draw the buffer */
+ if (use_unpack) {
+ glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB,
+ pb_unpack[0]);
+ glDrawPixels(TEXSIZE, TEXSIZE, GL_BGRA,
+ GL_UNSIGNED_BYTE, NULL);
+ glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB,
+ 0);
+ }
+ else {
+ glDrawPixels(TEXSIZE, TEXSIZE, GL_BGRA,
+ GL_UNSIGNED_BYTE, pbo_mem);
+ }
+
+ if (!piglit_automatic)
+ piglit_present_results();
+
+ /* Check the result */
+ if (use_pack) {
+ glGenBuffersARB(1, pb_pack);
+ glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB,
+ pb_pack[0]);
+ glBufferDataARB(GL_PIXEL_PACK_BUFFER_ARB,
+ WINSIZE * WINSIZE * 4 *
+ sizeof(GL_UNSIGNED_BYTE),
+ NULL, GL_STREAM_DRAW);
+ glReadPixels(0, 0, WINSIZE, WINSIZE,
+ GL_BGRA, GL_UNSIGNED_BYTE, NULL);
+ pbo_pack_mem = (GLubyte *) glMapBufferARB(
+ GL_PIXEL_PACK_BUFFER_ARB,
+ GL_READ_ONLY);
+ }
+ else {
+ pbo_pack_mem = buf;
+ glReadPixels(0, 0, WINSIZE, WINSIZE,
+ GL_BGRA,
+ GL_UNSIGNED_BYTE, pbo_pack_mem);
+ }
+
+ /* Make expected. */
+ for (j = 0; j < WINSIZE; j++) {
+ for (i = 0; i < WINSIZE; i++) {
+ int idx = (j * WINSIZE + i) * 4;
+ if (i < TEXSIZE && j < TEXSIZE) {
+ expected[idx + 0] = j % 256;
+ expected[idx + 1] = j % 256;
+ expected[idx + 2] = j % 256;
+ expected[idx + 3] = 0;
+ }
+ else {
+ expected[idx + 0] = black[0];
+ expected[idx + 1] = black[1];
+ expected[idx + 2] = black[2];
+ expected[idx + 3] = black[3];
+ }
+ }
+ }
+
+ pass &= piglit_compare_images_ubyte(0, 0, WINSIZE,
+ WINSIZE,
+ expected,
+ pbo_pack_mem);
+
+ if (use_pack) {
+ glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, 0);
+ glDeleteBuffersARB(1, pb_pack);
+ }
+
+ if (use_unpack) {
+ glBindBuffer(GL_PIXEL_UNPACK_BUFFER_ARB, 0);
+ glDeleteBuffersARB(1, pb_unpack);
+ }
+
+ }
+ }
+
+ return pass ? PIGLIT_PASS : PIGLIT_FAIL;
+}
+
+
+enum piglit_result
+test_pixel_map(void)
+{
+ int use_unpack;
+ int use_pack;
+ GLuint pb_pack[1];
+ GLuint pb_unpack[1];
+ int i;
+ int size;
+ int max;
+ GLushort *pbo_mem;
+
+ glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, 0);
+ glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, 0);
+
+ glGetIntegerv(GL_MAX_PIXEL_MAP_TABLE, &max);
+
+ for (use_pack = 0; use_pack < 2; use_pack++) {
+ for (use_unpack = 0; use_unpack < 2;
+ use_unpack++) {
+ glClearColor(0.0, 0.0, 0.0, 1.0);
+ glClear(GL_COLOR_BUFFER_BIT);
+ if (use_unpack) {
+ glGenBuffersARB(1, pb_unpack);
+ glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB,
+ pb_unpack[0]);
+ glBufferDataARB(GL_PIXEL_UNPACK_BUFFER_ARB,
+ max * sizeof(GLushort), NULL,
+ GL_STREAM_DRAW);
+ }
+ pbo_mem = NULL;
+ if (use_unpack) {
+ pbo_mem = (GLushort *) glMapBufferARB(
+ GL_PIXEL_UNPACK_BUFFER_ARB,
+ GL_WRITE_ONLY);
+ }
+ else {
+ pbo_mem = (GLushort *)
+ malloc(sizeof(GLushort) * max);
+ }
+ for (i = 0; i < max; i++)
+ pbo_mem[i] = max - i - 1;
+
+ if (use_unpack) {
+ glUnmapBufferARB(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(GL_PIXEL_UNPACK_BUFFER_ARB,
+ 0);
+ }
+ else {
+ glPixelMapusv(GL_PIXEL_MAP_R_TO_R, max,
+ pbo_mem);
+ glPixelMapusv(GL_PIXEL_MAP_G_TO_G, max,
+ pbo_mem);
+ glPixelMapusv(GL_PIXEL_MAP_B_TO_B, max,
+ pbo_mem);
+ glPixelMapusv(GL_PIXEL_MAP_A_TO_A, max,
+ pbo_mem);
+ free(pbo_mem);
+ }
+
+
+ glGetIntegerv(GL_PIXEL_MAP_R_TO_R_SIZE, &size);
+ if (size != max) {
+ REPORT_FAILURE("glPixelMap failed");
+ return PIGLIT_FAIL;
+ }
+ glPixelTransferi(GL_MAP_COLOR, GL_FALSE);
+
+ /* Read back pixel map */
+ if (use_pack) {
+ glGenBuffersARB(1, pb_pack);
+ glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB,
+ pb_pack[0]);
+ glBufferDataARB(GL_PIXEL_PACK_BUFFER_ARB,
+ max * sizeof(GLushort),
+ NULL, GL_STREAM_DRAW);
+ glGetPixelMapusv(GL_PIXEL_MAP_R_TO_R, NULL);
+ pbo_mem = (GLushort *) glMapBufferARB(
+ GL_PIXEL_PACK_BUFFER_ARB,
+ GL_READ_ONLY);
+ }
+ else {
+ pbo_mem = (GLushort *)
+ malloc(sizeof(GLushort) * max);
+ glGetPixelMapusv(GL_PIXEL_MAP_R_TO_R, pbo_mem);
+ }
+
+ for (i = 0; i < max; i++) {
+ if (pbo_mem[i] != (255 - i)) {
+ REPORT_FAILURE("get PixelMap failed");
+ return PIGLIT_FAIL;
+ }
+ }
+
+
+ if (use_pack) {
+ glUnmapBufferARB(GL_PIXEL_PACK_BUFFER_ARB);
+ glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, 0);
+ glDeleteBuffersARB(1, pb_pack);
+ }
+ else {
+ free(pbo_mem);
+ }
+
+ if (use_unpack) {
+ glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB,
+ 0);
+ glDeleteBuffersARB(1, pb_unpack);
+ }
+
+ if (!piglit_automatic)
+ piglit_present_results();
+
+ }
+ }
+
+ return PIGLIT_PASS;
+}
+
+enum piglit_result
+test_bitmap(void)
+{
+ GLuint pb_unpack[1];
+ GLuint pb_pack[1];
+ int use_unpack = 1;
+ int use_pack = 0;
+ GLubyte bitmap[TEXSIZE * TEXSIZE / 8];
+ GLfloat buf[WINSIZE * WINSIZE * 3];
+ GLfloat white[3] = { 1.0, 1.0, 1.0 };
+ GLfloat black[3] = { 0.0, 0.0, 0.0 };
+ int i, j;
+ GLubyte *pbo_unpack_mem = NULL;
+ GLfloat *pbo_pack_mem = NULL;
+ GLfloat expected[WINSIZE * WINSIZE * 3];
+ float tolerance[4];
+ bool pass = true;
+
+ glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, 0);
+ glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, 0);
+
+ for (use_pack = 0; use_pack < 2; use_pack++) {
+ for (use_unpack = 0; use_unpack < 2;
+ use_unpack++) {
+ glClearColor(0.0, 0.0, 0.0, 1.0);
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ if (use_unpack) {
+ glGenBuffersARB(1, pb_unpack);
+ glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB,
+ pb_unpack[0]);
+ glBufferDataARB(GL_PIXEL_UNPACK_BUFFER_ARB,
+ TEXSIZE * TEXSIZE,
+ NULL, GL_STREAM_DRAW);
+ pbo_unpack_mem = (GLubyte *) glMapBufferARB(
+ GL_PIXEL_UNPACK_BUFFER_ARB,
+ GL_WRITE_ONLY);
+ }
+ else {
+ pbo_unpack_mem = bitmap;
+ }
+
+ for (i = 0; i < TEXSIZE * TEXSIZE / 8; i++) {
+ pbo_unpack_mem[i] = 0xAA; /* Binary 10101010 */
+ }
+
+
+ glColor4f(1.0, 1.0, 1.0, 0.0);
+ glRasterPos2f(0.0, 0.0);
+ if (use_unpack) {
+ glUnmapBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB);
+ /* Draw white into every other pixel,
+ * for a white/black checkerboard. */
+ glBitmap(TEXSIZE, TEXSIZE, 0, 0, 0, 0, NULL);
+ glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB,
+ 0);
+ }
+ else {
+ glBitmap(TEXSIZE, TEXSIZE, 0, 0, 0, 0,
+ pbo_unpack_mem);
+ }
+
+ if (!piglit_automatic)
+ piglit_present_results();
+
+ /* Check the result */
+ if (use_pack) {
+ glGenBuffersARB(1, pb_pack);
+ glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB,
+ pb_pack[0]);
+ glBufferDataARB(GL_PIXEL_PACK_BUFFER_ARB,
+ WINSIZE * WINSIZE *
+ 4 * sizeof(GLfloat), NULL,
+ GL_STREAM_DRAW);
+ glReadPixels(0, 0, WINSIZE, WINSIZE,
+ GL_RGB, GL_FLOAT,
+ NULL);
+ pbo_pack_mem =
+ (GLfloat *) glMapBufferARB(
+ GL_PIXEL_PACK_BUFFER_ARB,
+ GL_READ_ONLY);
+ }
+ else {
+ pbo_pack_mem = buf;
+ glReadPixels(0, 0, WINSIZE, WINSIZE,
+ GL_RGB, GL_FLOAT, pbo_pack_mem);
+ }
+
+ /* Compute expected and compare it to the result. */
+ for (j = 0; j < WINSIZE; j++) {
+ for (i = 0; i < WINSIZE; i++) {
+ int idx = (j * WINSIZE + i) * 3;
+ if ((i & 1) || (i >= TEXSIZE) ||
+ (j >= TEXSIZE)) {
+ expected[idx + 0] = black[0];
+ expected[idx + 1] = black[1];
+ expected[idx + 2] = black[2];
+ expected[idx + 3] = black[3];
+ }
+ else {
+ expected[idx + 0] = white[0];
+ expected[idx + 1] = white[1];
+ expected[idx + 2] = white[2];
+ expected[idx + 3] = white[3];
+ }
+ }
+ }
+ piglit_compute_probe_tolerance(GL_RGB, &tolerance[0]);
+ pass &= piglit_compare_images_color(0, 0, WINSIZE,
+ WINSIZE, 3,
+ tolerance,
+ expected,
+ pbo_pack_mem);
+
+ if (use_pack) {
+ glUnmapBuffer(GL_PIXEL_PACK_BUFFER_ARB);
+ glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, 0);
+ glDeleteBuffersARB(1, pb_pack);
+ }
+
+ if (use_unpack) {
+ glBindBuffer(GL_PIXEL_UNPACK_BUFFER_ARB, 0);
+ glDeleteBuffersARB(1, pb_unpack);
+ }
+ }
+ }
+ return pass ? PIGLIT_PASS : PIGLIT_FAIL;
+}
+
+
+enum piglit_result
+test_tex_image(void)
+{
+ bool pass = true;
+
+ int break_pbo_cow, break_tex_cow; /* cow = copy on write */
+ int use_unpack, use_pack;
+ GLuint unpack_pb[1];
+ GLuint pack_pb[1];
+ GLenum pack = GL_PIXEL_PACK_BUFFER_ARB;
+ GLenum unpack = GL_PIXEL_UNPACK_BUFFER_ARB;
+ int texture_size = TEXSIZE * TEXSIZE * 3;
+ GLfloat t1[texture_size];
+ GLfloat t2[texture_size];
+ GLfloat *pbo_mem = NULL;
+ int i, j;
+ GLfloat green[3] = { 1.0, 1.0, 0.0 };
+ GLfloat black[3] = { 0.0, 0.0, 0.0 };
+ int window_size = WINSIZE * WINSIZE * 3;
+ GLfloat buf[window_size];
+ GLfloat exp_tex[texture_size];
+ GLfloat exp_win[window_size];
+ GLfloat tolerance[4];
+
+ piglit_compute_probe_tolerance(GL_RGB, tolerance);
+
+ glBindBufferARB(unpack, 0);
+ glBindBufferARB(pack, 0);
+
+ glClearColor(0.0, 0.0, 0.0, 1.0);
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ for (use_pack = 0; use_pack < 2; use_pack++) {
+ for (use_unpack = 0; use_unpack < 2;
+ use_unpack++) {
+ for (break_pbo_cow = 0; break_pbo_cow < use_unpack + 1;
+ break_pbo_cow++) {
+ for (break_tex_cow = 0;
+ break_tex_cow < use_unpack + 1;
+ break_tex_cow++) {
+ if (use_unpack) {
+ glGenBuffersARB(1, unpack_pb);
+ glBindBufferARB(unpack,
+ unpack_pb[0]);
+ glBufferDataARB(unpack,
+ texture_size *
+ 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 (use_unpack) {
+ pbo_mem = (GLfloat *)
+ glMapBufferARB(unpack,
+ GL_WRITE_ONLY);
+ }
+ else {
+ pbo_mem = t1;
+ }
+
+ for (i = 0; i < texture_size/3; i++) {
+ pbo_mem[3 * i] = 1.0;
+ pbo_mem[3 * i + 1] = 1.0;
+ pbo_mem[3 * i + 2] = 0.0;
+ }
+
+ if (use_unpack) {
+ glUnmapBufferARB(unpack);
+ glTexImage2D(GL_TEXTURE_2D, 0,
+ GL_RGB, TEXSIZE,
+ TEXSIZE, 0,
+ GL_RGB, GL_FLOAT,
+ NULL);
+ glBindBufferARB(unpack, 0);
+ }
+ else
+ glTexImage2D(GL_TEXTURE_2D, 0,
+ GL_RGB, TEXSIZE,
+ TEXSIZE, 0,
+ GL_RGB, GL_FLOAT,
+ pbo_mem);
+
+ if (use_unpack && break_pbo_cow) {
+ glBindBufferARB(unpack,
+ unpack_pb[0]);
+ pbo_mem = (GLfloat *)
+ glMapBufferARB(
+ unpack,
+ GL_WRITE_ONLY);
+ for (i = 0; i < texture_size;
i++)
+ pbo_mem[i] = 0.2;
+ glUnmapBufferARB(unpack);
+ glBindBufferARB(unpack, 0);
+ }
+
+ if (use_unpack && break_tex_cow) {
+ GLfloat temp[3];
+ for (i = 0; i < 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 (use_unpack) {
+ glBindBufferARB(unpack,
+ unpack_pb[0]);
+ pbo_mem = (GLfloat *)
+ glMapBuffer(unpack,
+ GL_READ_ONLY);
+ if (break_pbo_cow) {
+ for (i = 0; i <
texture_size; i++)
+ if
(fabsf(pbo_mem[i] - 0.2) > tolerance[0]) {
+
REPORT_FAILURE
+
("PBO modified by someone else, "
+
"there must be something wrong");
+ return
PIGLIT_FAIL;
+ }
+ }
+ glUnmapBufferARB(unpack);
+ glBindBufferARB(unpack, 0);
+ }
+
+
+ /* Read texture back */
+ if (use_pack) {
+ glGenBuffersARB(1, pack_pb);
+ glBindBufferARB(pack,
pack_pb[0]);
+ glBufferDataARB(pack,
+ texture_size *
+ sizeof(GLfloat),
+ NULL,
GL_STREAM_DRAW);
+ glGetTexImage(GL_TEXTURE_2D,
+ 0, GL_RGB,
+ GL_FLOAT, NULL);
+ pbo_mem = (GLfloat *)
+ glMapBufferARB(pack,
+ GL_READ_ONLY);
+ }
+ else {
+ glGetTexImage(GL_TEXTURE_2D,
+ 0, GL_RGB,
+ GL_FLOAT, t2);
+ pbo_mem = t2;
+ }
+
+ /* Check texture image */
+ for (i = 0; i < texture_size/3; i++) {
+ int idx = i * 3;
+ if (i == 0 && break_tex_cow
+ && use_unpack) {
+ exp_tex[idx + 0] = 0.8;
+ exp_tex[idx + 1] = 0.8;
+ exp_tex[idx + 2] = 0.8;
+ }
+ else {
+ exp_tex[idx + 0] = 1.0;
+ exp_tex[idx + 1] = 1.0;
+ exp_tex[idx + 2] = 0.0;
+ }
+ }
+ pass &= piglit_compare_images_color(0,
+ 0, TEXSIZE,
+ TEXSIZE, 3,
+ tolerance, exp_tex,
+ pbo_mem);
+
+ if (use_pack) {
+ glUnmapBufferARB(pack);
+ glBindBufferARB(pack, 0);
+ glDeleteBuffersARB(1, pack_pb);
+ }
+ if (use_unpack) {
+ 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();
+ glDisable(GL_TEXTURE_2D);
+
+ glReadPixels(0, 0, WINSIZE, WINSIZE,
+ GL_RGB, GL_FLOAT,
+ buf);
+
+ for (j = 0; j < WINSIZE; j++) {
+ for (i = 0; i < WINSIZE; i++) {
+ int idx = (j * WINSIZE
+ i) * 3;
+ if (i == 0 && j == 0
+ && break_tex_cow
+ && use_unpack) {
+ exp_win[idx +
0] = 0.8;
+ exp_win[idx +
1] = 0.8;
+ exp_win[idx +
2] = 0.8;
+ }
+ else if (i < TEXSIZE &&
j < TEXSIZE) {
+ exp_win[idx +
0] = green[0];
+ exp_win[idx +
1] = green[1];
+ exp_win[idx +
2] = green[2];
+ }
+ else {
+ exp_win[idx +
0] = black[0];
+ exp_win[idx +
1] = black[1];
+ exp_win[idx +
2] = black[2];
+ }
+ }
+ }
+ pass &= piglit_compare_images_color(0,
+ 0, WINSIZE,
+ WINSIZE, 3,
+ tolerance, exp_win,
+ buf);
+ }
+ }
+ }
+ }
+
+ return pass ? PIGLIT_PASS : PIGLIT_FAIL;
+}
+
+enum piglit_result
+test_tex_sub_image(void)
+{
+ GLuint pbs[1];
+ GLfloat t[TEXSIZE * TEXSIZE * 3];
+ int i, j;
+ int use_unpack = 0;
+ GLfloat green[3] = { 0.0, 1.0, 0.0 };
+ GLfloat black[3] = { 0.0, 0.0, 0.0 };
+ GLfloat *pbo_mem = NULL;
+ GLfloat buf[WINSIZE * WINSIZE * 3];
+ bool pass = true;
+ GLfloat expected[WINSIZE * WINSIZE * 3];
+ GLfloat tolerance[4];
+ piglit_compute_probe_tolerance(GL_RGB, &tolerance[0]);
+
+ glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, 0);
+ glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, 0);
+
+ for (use_unpack = 0; use_unpack < 2; use_unpack++) {
+ pbo_mem = NULL;
+ glClearColor(0.0, 0.0, 0.0, 1.0);
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ if (use_unpack) {
+ glGenBuffersARB(1, pbs);
+ glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, pbs[0]);
+ glBufferDataARB(GL_PIXEL_UNPACK_BUFFER_ARB,
+ TEXSIZE * TEXSIZE * 3 *
+ sizeof(GLfloat), NULL, GL_STREAM_DRAW);
+ glBindBufferARB(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);
+
+ if (use_unpack) {
+ glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, pbs[0]);
+ pbo_mem = (GLfloat *) glMapBufferARB(
+ GL_PIXEL_UNPACK_BUFFER_ARB,
+ GL_WRITE_ONLY);
+ }
+ else {
+ pbo_mem = t;
+ }
+
+ for (i = 0; i < TEXSIZE * TEXSIZE; i++) {
+ pbo_mem[3 * i] = 0.0;
+ pbo_mem[3 * i + 1] = 1.0;
+ pbo_mem[3 * i + 2] = 0.0;
+ }
+
+ if (use_unpack) {
+ glUnmapBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB);
+ glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, TEXSIZE,
+ TEXSIZE, GL_RGB, GL_FLOAT, NULL);
+ glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, 0);
+ }
+ else
+ glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, TEXSIZE,
+ TEXSIZE, GL_RGB, GL_FLOAT, pbo_mem);
+
+ 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);
+
+ glReadPixels(0, 0, WINSIZE, WINSIZE, GL_RGB, GL_FLOAT, buf);
+
+ for (j = 0; j < WINSIZE; j++) {
+ for (i = 0; i < WINSIZE; i++) {
+ int idx = (j * WINSIZE + i) * 3;
+ if (i < 10 && j < 10) {
+ expected[idx + 0] = green[0];
+ expected[idx + 1] = green[1];
+ expected[idx + 2] = green[2];
+ }
+ else {
+ expected[idx + 0] = black[0];
+ expected[idx + 1] = black[1];
+ expected[idx + 2] = black[2];
+ }
+ }
+ }
+ pass &= piglit_compare_images_color(0, 0, WINSIZE,
+ WINSIZE, 3, tolerance,
+ expected, buf);
+ }
+
+ return pass ? PIGLIT_PASS : PIGLIT_FAIL;
+}
+
+enum piglit_result
+test_polygon_stip(void)
+{
+ int use_unpack = 0;
+ int use_pack = 0;
+ GLuint unpack_pb[1];
+ GLuint pack_pb[1];
+ GLubyte t1[32 * 32 / 8];
+ GLubyte t2[32 * 32 / 8];
+ GLubyte *pbo_mem = NULL;
+ int i, j;
+ GLfloat white[3] = { 1.0, 1.0, 1.0 };
+ GLfloat black[3] = { 0.0, 0.0, 0.0 };
+ GLfloat buf[WINSIZE * WINSIZE * 3];
+ bool pass = true;
+ GLfloat expected[WINSIZE * WINSIZE * 3];
+ GLfloat tolerance[4];
+
+ piglit_compute_probe_tolerance(GL_RGB, &tolerance[0]);
+
+ glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, 0);
+ glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, 0);
+
+ for (use_unpack = 0; use_unpack < 2; use_unpack++) {
+ for (use_pack = 0; use_pack < 2; use_pack++) {
+ glClearColor(0.0, 0.0, 0.0, 1.0);
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ if (use_unpack) {
+ glGenBuffersARB(1, unpack_pb);
+ glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB,
+ unpack_pb[0]);
+ glBufferDataARB(GL_PIXEL_UNPACK_BUFFER_ARB,
+ 32 * 32 / 8, NULL,
+ GL_STREAM_DRAW);
+ pbo_mem = (GLubyte *) glMapBufferARB(
+ GL_PIXEL_UNPACK_BUFFER_ARB,
+ GL_WRITE_ONLY);
+ }
+ else {
+ pbo_mem = t1;
+ }
+
+ /* Fill in the stipple pattern */
+ for (i = 0; i < 32 * 32 / 8; i++) {
+ pbo_mem[i] = 0xAA; /* Checkerboard */
+ }
+
+ if (use_unpack) {
+ glUnmapBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB);
+ glPolygonStipple(NULL);
+ }
+ else {
+ glPolygonStipple(pbo_mem);
+ }
+
+ /* Read back the stipple pattern */
+ if (use_pack) {
+ glGenBuffersARB(1, pack_pb);
+ glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB,
+ pack_pb[0]);
+ glBufferDataARB(GL_PIXEL_PACK_BUFFER_ARB,
+ 32 * 32 / 8, NULL,
+ GL_STREAM_DRAW);
+ glGetPolygonStipple(NULL);
+ pbo_mem = (GLubyte *) glMapBufferARB(
+ GL_PIXEL_PACK_BUFFER_ARB,
+ GL_READ_ONLY);
+ }
+ else {
+ glGetPolygonStipple(t2);
+ pbo_mem = t2;
+ }
+
+ for (i = 0; i < 32 * 32 / 8; i++) {
+ if (pbo_mem[i] != 0xAA) {
+ REPORT_FAILURE("glGetPolygonStipple
failed");
+ return PIGLIT_FAIL;
+ }
+ }
+
+
+ if (use_unpack) {
+ glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, 0);
+ glDeleteBuffersARB(1, unpack_pb);
+ }
+ if (use_pack) {
+ glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, 0);
+ glDeleteBuffersARB(1, pack_pb);
+ }
+
+ glEnable(GL_POLYGON_STIPPLE);
+ glColor4f(1.0, 1.0, 1.0, 0.0);
+ glBegin(GL_POLYGON);
+ glVertex2f(0, 0);
+ glVertex2f(10, 0);
+ glVertex2f(10, 10);
+ glVertex2f(0, 10);
+ glEnd();
+
+ glDisable(GL_POLYGON_STIPPLE);
+
+ /* Check the result */
+ glReadPixels(0, 0, WINSIZE, WINSIZE, GL_RGB, GL_FLOAT,
buf);
+
+ for (j = 0; j < WINSIZE; j++) {
+ for (i = 0; i < WINSIZE; i++) {
+ int idx = (j * WINSIZE + i) * 3;
+ if (!(i & 1) && i < 10 && j < 10) {
+ expected[idx + 0] = white[0];
+ expected[idx + 1] = white[1];
+ expected[idx + 2] = white[2];
+ }
+ else {
+ expected[idx + 0] = black[0];
+ expected[idx + 1] = black[1];
+ expected[idx + 2] = black[2];
+ }
+ }
+ }
+ pass &= piglit_compare_images_color(0, 0, WINSIZE,
+ WINSIZE, 3,
+ tolerance,
+ expected, buf);
+
+ }
+ }
+
+ return pass ? PIGLIT_PASS : PIGLIT_FAIL;
+}
+
+enum piglit_result
+test_error_handling(void)
+{
+ GLuint fbs[1];
+
+ glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, 0);
+ glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, 0);
+
+ /* glDrawPixels raises an error when the buffer is too small */
+ glGenBuffersARB(1, fbs);
+ glBindBufferARB(GL_PIXEL_UNPACK_BUFFER, fbs[0]);
+ glBufferDataARB(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 PIGLIT_FAIL;
+
+ 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_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 PIGLIT_FAIL;
+
+ glDeleteBuffersARB(1, fbs);
+ glBindBufferARB(GL_PIXEL_PACK_BUFFER, 0);
+
+ return PIGLIT_PASS;
+}
+
+struct test_func {
+ enum piglit_result (*func) (void);
+ char *name;
+};
+
+enum piglit_result
+piglit_display(void)
+{
+ int i = 0;
+ enum piglit_result result = PIGLIT_PASS;
+ enum piglit_result subtest;
+ static struct test_func funcs[] = {
+ {test_sanity, "test_sanity"},
+ {test_draw_pixels, "test_draw_pixels"},
+ {test_pixel_map, "test_pixel_map"},
+ {test_bitmap, "test_bitmap"},
+ {test_tex_image, "test_tex_image"},
+ {test_tex_sub_image, "test_tex_sub_image"},
+ {test_polygon_stip, "test_polygon_stip"},
+ {test_error_handling, "test_error_handling"},
+ {NULL, ""} /* End of list sentinal */
+ };
+
+ while (funcs[i].func)
+ {
+ subtest = funcs[i].func();
+ piglit_report_subtest_result(subtest, "%s",
+ funcs[i].name);
+ if (subtest == PIGLIT_FAIL)
+ result = PIGLIT_FAIL;
+ i++;
+ }
+
+ return result;
+}
--
2.1.0
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