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/*
* Copyright © 2012 Intel Corporation
*
* 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.
*/
#include "piglit-util-gl.h"
#include "piglit-util-waffle.h"
#include "piglit_fbo_framework.h"
#include "piglit_wfl_framework.h"
static void
destroy(struct piglit_gl_framework *gl_fw)
{
struct piglit_wfl_framework *wfl_fw = piglit_wfl_framework(gl_fw);
if (wfl_fw == NULL)
return;
piglit_wfl_framework_teardown(wfl_fw);
free(wfl_fw);
}
static void
run_test(struct piglit_gl_framework *gl_fw,
int argc, char *argv[])
{
enum piglit_result result = PIGLIT_PASS;
if (gl_fw->test_config->init)
gl_fw->test_config->init(argc, argv);
if (gl_fw->test_config->display)
result = gl_fw->test_config->display();
piglit_report_result(result);
}
static bool
init_gl(struct piglit_wfl_framework *wfl_fw)
{
#ifdef PIGLIT_USE_OPENGL_ES1
return false;
#else
const struct piglit_gl_test_config *test_config = wfl_fw->gl_fw.test_config;
GLuint tex, depth = 0;
GLenum status;
#ifdef PIGLIT_USE_OPENGL
if (piglit_get_gl_version() < 20)
return false;
if (!piglit_is_extension_supported("GL_ARB_framebuffer_object"))
return false;
#endif
glGenFramebuffers(1, &piglit_winsys_fbo);
glBindFramebuffer(GL_FRAMEBUFFER, piglit_winsys_fbo);
glGenTextures(1, &tex);
glBindTexture(GL_TEXTURE_2D, tex);
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_RGBA,
piglit_width, piglit_height, 0,
GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glFramebufferTexture2D(GL_FRAMEBUFFER,
GL_COLOR_ATTACHMENT0,
GL_TEXTURE_2D,
tex,
0);
if (test_config->window_visual & (PIGLIT_GL_VISUAL_DEPTH |
PIGLIT_GL_VISUAL_STENCIL)) {
/* Create a combined depth+stencil texture and attach it
* to the depth and stencil attachment points.
*/
glGenTextures(1, &depth);
glBindTexture(GL_TEXTURE_2D, depth);
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_DEPTH_STENCIL,
piglit_width, piglit_height, 0,
GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, NULL);
glFramebufferTexture2D(GL_FRAMEBUFFER,
GL_DEPTH_ATTACHMENT,
GL_TEXTURE_2D,
depth,
0);
glFramebufferTexture2D(GL_FRAMEBUFFER,
GL_STENCIL_ATTACHMENT,
GL_TEXTURE_2D,
depth,
0);
}
glBindTexture(GL_TEXTURE_2D, 0);
status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
if (status != GL_FRAMEBUFFER_COMPLETE) {
fprintf(stderr,
"framebuffer status is incomplete, falling"
"back to winsys\n");
glBindFramebuffer(GL_FRAMEBUFFER, 0);
glDeleteTextures(1, &depth);
glDeleteTextures(1, &tex);
return false;
}
return true;
#endif
}
struct piglit_gl_framework*
piglit_fbo_framework_create(const struct piglit_gl_test_config *test_config)
{
struct piglit_wfl_framework *wfl_fw;
struct piglit_gl_framework *gl_fw;
int32_t platform;
bool ok = true;
#ifdef PIGLIT_USE_OPENGL_ES1
return NULL;
#endif
platform = piglit_wfl_framework_choose_platform(test_config);
if (test_config->window_samples > 1) {
puts("The FBO mode doesn't support multisampling");
piglit_report_result(PIGLIT_SKIP);
}
wfl_fw = calloc(1, sizeof(*wfl_fw));
gl_fw = &wfl_fw->gl_fw;
ok = piglit_wfl_framework_init(wfl_fw, test_config, platform, NULL);
if (!ok)
goto fail;
ok = init_gl(wfl_fw);
if (!ok)
goto fail;
gl_fw->destroy = destroy;
gl_fw->run_test = run_test;
return gl_fw;
fail:
destroy(gl_fw);
return NULL;
}
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