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/*
* Copyright © 2018 Sergii Romantsov (<sergii.romantsov@gmail.com>)
*
* 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.
*
* Created on: Oct 11, 2018
* Author: Sergii Romantsov
*
* Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=106997
* Tests: 24839663a402 (intel/ppgtt: memory address alignment)
* Tests: a363bb2cd0e2 (i965: Allocate VMA in userspace for full-PPGTT systems.)
*/
#include "piglit-util-gl.h"
#include "unistd.h"
PIGLIT_GL_TEST_CONFIG_BEGIN
config.supports_gl_compat_version = 10;
config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
config.requires_displayed_window = true;
PIGLIT_GL_TEST_CONFIG_END
static enum piglit_result g_result = PIGLIT_FAIL;
static GLuint g_cur_size = 0;
static GLubyte *g_buffer = NULL;
static void
free_buffer(void)
{
if (g_buffer)
{
free(g_buffer);
g_buffer = NULL;
}
}
static void
test_fail_check(void)
{
/* Intel: Function is needed to check fail-status of execution:
* currently if batch-buffer wasn't submitted than Mesa will exit application.
* Otherwise piglit_display has logic to detect fail across call glGetError.
*/
if (g_result != PIGLIT_PASS)
{
fprintf(stderr, "Test failed for buffer size: %x \n", g_cur_size);
free_buffer();
piglit_report_result(g_result);
}
}
enum piglit_result
piglit_display(void)
{
/* Maximal value of cache-size supported by driver */
const GLsizei cache_max_size = 64 * 1024 * 1024;
const GLsizei cache_extra_size = cache_max_size * 16;
const unsigned int page_size = getpagesize();
const GLsizei size_inconsistency = page_size / 4 + 1;
GLsizei size = 0;
GLuint buf;
bool is_error = false;
if (!g_buffer)
g_buffer = calloc(sizeof(GLubyte), cache_extra_size);
glClearColor(0.5, 0.5, 0.5, 1.0);
glClear(GL_COLOR_BUFFER_BIT);
glGenBuffers(1, &buf);
glBindBuffer(GL_ARRAY_BUFFER, buf);
while (size < cache_extra_size)
{
glBufferData(GL_ARRAY_BUFFER, g_cur_size, g_buffer, GL_STATIC_DRAW);
glVertexAttribPointer(0, 3, GL_UNSIGNED_BYTE, GL_FALSE, 0, 0);
glEnableVertexAttribArray(0);
glDrawArrays(GL_TRIANGLES, 0, 1);
if (glGetError() != GL_NO_ERROR)
is_error = true;
g_cur_size = size + size_inconsistency;
size = size ? size * 2 : page_size;
glFlush();
if (glGetError() != GL_NO_ERROR)
is_error = true;
}
glDeleteBuffers(1, &buf);
free_buffer();
g_result = is_error ? PIGLIT_FAIL : PIGLIT_PASS;
return g_result;
}
void
piglit_init(int argc, char **argv)
{
atexit(test_fail_check);
}
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