diff options
author | Brian Paul <brianp@vmware.com> | 2012-01-04 14:57:02 -0700 |
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committer | Brian Paul <brianp@vmware.com> | 2012-01-05 08:45:00 -0700 |
commit | ab46c013aa1296587769a31672f0bad450034a31 (patch) | |
tree | a7082638883fdbd07664366d96215d30e48748f2 /tests/spec/arb_copy_buffer | |
parent | 68b0f40dc8f8bae430126d6fbba9f7e7043ad67c (diff) |
copybuffersubdata: test GL_ARB_copy_buffer extension
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Diffstat (limited to 'tests/spec/arb_copy_buffer')
-rw-r--r-- | tests/spec/arb_copy_buffer/CMakeLists.gl.txt | 1 | ||||
-rw-r--r-- | tests/spec/arb_copy_buffer/copybuffersubdata.c | 105 |
2 files changed, 106 insertions, 0 deletions
diff --git a/tests/spec/arb_copy_buffer/CMakeLists.gl.txt b/tests/spec/arb_copy_buffer/CMakeLists.gl.txt index 190a13105..6494b1dc5 100644 --- a/tests/spec/arb_copy_buffer/CMakeLists.gl.txt +++ b/tests/spec/arb_copy_buffer/CMakeLists.gl.txt @@ -12,5 +12,6 @@ link_libraries ( ) add_executable (copy_buffer_coherency copy_buffer_coherency.c) +add_executable (copybuffersubdata copybuffersubdata.c) # vim: ft=cmake: diff --git a/tests/spec/arb_copy_buffer/copybuffersubdata.c b/tests/spec/arb_copy_buffer/copybuffersubdata.c new file mode 100644 index 000000000..8661e5c24 --- /dev/null +++ b/tests/spec/arb_copy_buffer/copybuffersubdata.c @@ -0,0 +1,105 @@ +/* + * Copyright © 2012 VMware, Inc. + * + * 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 (including the next + * paragraph) 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. + */ + +/** + * Test GL_ARB_copy_buffer + * + * Brian Paul + * Jan 2012 + */ + +#include "piglit-util.h" + +int piglit_width = 100, piglit_height = 100; +int piglit_window_mode = GLUT_RGB | GLUT_DOUBLE; + + +static GLboolean +test_copy(void) +{ +#define BUF_SIZE 600 /* multiple of 100 */ + + GLuint bufs[2]; + char data[BUF_SIZE], *p; + int i; + int chunk = 100; + GLboolean pass = GL_TRUE; + + assert(BUF_SIZE % chunk == 0); + + glGenBuffers(2, bufs); + + for (i = 0; i < BUF_SIZE; i++) + data[i] = rand() % 256; + + glBindBufferARB(GL_COPY_READ_BUFFER, bufs[0]); + glBufferData(GL_COPY_READ_BUFFER, BUF_SIZE, data, GL_STATIC_DRAW); + + glBindBufferARB(GL_COPY_WRITE_BUFFER, bufs[1]); + glBufferData(GL_COPY_WRITE_BUFFER, BUF_SIZE, NULL, GL_DYNAMIC_COPY); + + /* copy from bufs[0] to bufs[1] in chunks */ + for (i = 0; i < BUF_SIZE / chunk; i++) { + int srcOffset = i * chunk; + int dstOffset = i * chunk; + glCopyBufferSubData(GL_COPY_READ_BUFFER, GL_COPY_WRITE_BUFFER, + srcOffset, dstOffset, chunk); + } + + /* verify dest buffer */ + p = glMapBuffer(GL_COPY_WRITE_BUFFER, GL_READ_ONLY); + for (i = 0; i < BUF_SIZE; i++) { + if (p[i] != data[i]) { + printf("expected %d, found %d at location %d\n", + data[i], p[i], i); + pass = GL_FALSE; + break; + } + } + + glUnmapBuffer(GL_COPY_WRITE_BUFFER); + + glDeleteBuffers(2, bufs); + + return pass; +} + + +enum piglit_result +piglit_display(void) +{ + return PIGLIT_PASS; +} + + +void +piglit_init(int argc, char **argv) +{ + if (!piglit_is_extension_supported("GL_ARB_copy_buffer")) + piglit_report_result(PIGLIT_SKIP); + + if (!test_copy()) + piglit_report_result(PIGLIT_FAIL); + else + piglit_report_result(PIGLIT_PASS); +} |