void _al_ogl_set_target_bitmap(ALLEGRO_DISPLAY *display, ALLEGRO_BITMAP *bitmap)
{
ALLEGRO_BITMAP_OGL *ogl_bitmap = (void *)bitmap;
if (bitmap->parent)
ogl_bitmap = (void *)bitmap->parent;
/* if either this bitmap or its parent (in the case of subbitmaps)
* is locked then don't do anything
*/
if (!(bitmap->locked ||
(bitmap->parent && bitmap->parent->locked))){
setup_fbo(display, bitmap);
if (display->ogl_extras->opengl_target == ogl_bitmap) {
_al_ogl_setup_bitmap_clipping(bitmap);
}
}
}
void
piglit_init(int argc, char **argv)
{
GLint max_samples;
if (argc != 5) {
print_usage_and_exit(argv[0]);
}
if (strcmp(argv[1], "texture") == 0) {
use_textures = true;
} else if (strcmp(argv[1], "renderbuffer") == 0) {
use_textures = false;
} else {
print_usage_and_exit(argv[0]);
}
if (strcmp(argv[2], "linear") == 0) {
src_format = GL_RGBA;
dst_format = GL_RGBA;
} else if (strcmp(argv[2], "srgb") == 0) {
src_format = GL_SRGB8_ALPHA8;
dst_format = GL_SRGB8_ALPHA8;
} else if (strcmp(argv[2], "linear_to_srgb") == 0) {
src_format = GL_RGBA;
dst_format = GL_SRGB8_ALPHA8;
} else if (strcmp(argv[2], "srgb_to_linear") == 0) {
src_format = GL_SRGB8_ALPHA8;
dst_format = GL_RGBA;
} else {
print_usage_and_exit(argv[0]);
}
if (strcmp(argv[3], "single_sampled") == 0) {
src_samples = 0;
dst_samples = 0;
scaled_blit = false;
} else if (strcmp(argv[3], "upsample") == 0) {
src_samples = 0;
dst_samples = 1; /* selects minimum available sample count */
scaled_blit = false;
} else if (strcmp(argv[3], "downsample") == 0) {
src_samples = 1;
dst_samples = 0;
scaled_blit = false;
} else if (strcmp(argv[3], "msaa") == 0) {
src_samples = 1;
dst_samples = 1;
scaled_blit = false;
} else if (strcmp(argv[3], "scaled") == 0) {
src_samples = 0;
dst_samples = 0;
scaled_blit = true;
} else {
print_usage_and_exit(argv[0]);
}
if (strcmp(argv[4], "enabled") == 0) {
enable_srgb_framebuffer = true;
} else if (strcmp(argv[4], "disabled") == 0) {
enable_srgb_framebuffer = false;
} else {
print_usage_and_exit(argv[0]);
}
piglit_require_gl_version(21);
piglit_require_extension("GL_ARB_framebuffer_object");
piglit_require_extension("GL_ARB_framebuffer_sRGB");
/* skip the test if we don't support multisampling */
glGetIntegerv(GL_MAX_SAMPLES, &max_samples);
if (src_samples > max_samples ||
dst_samples > max_samples) {
piglit_report_result(PIGLIT_SKIP);
}
prog = piglit_build_simple_program(vs_text, fs_text);
src_fbo = setup_fbo(src_format, src_samples);
dst_fbo = setup_fbo(dst_format, dst_samples);
if (dst_samples != 0)
resolve_fbo = setup_fbo(dst_format, 0);
else
resolve_fbo = 0;
}
void test_strip_smoothed(int fbo)
{
GLint width, height;
GLfloat vVertices[] = {
-0.7, 0.7, -0.7,
-0.7, 0.2, -0.4,
0.0, 0.3, -0.5,
-0.2, -0.3, 0.3,
0.5, -0.2, 0.4,
0.7, -0.7, 0.7 };
GLfloat vColors[] = {
0.1, 0.1, 0.1, 1.0,
1.0, 0.0, 0.0, 1.0,
0.0, 0.0, 1.0, 1.0,
1.0, 1.0, 0.0, 1.0,
0.0, 1.0, 1.0, 1.0,
0.9, 0.9, 0.9, 1.0};
EGLSurface surface;
RD_START("strip-smoothed", "fbo=%d", fbo);
display = get_display();
/* get an appropriate EGL frame buffer configuration */
ECHK(eglChooseConfig(display, config_attribute_list, &config, 1, &num_config));
DEBUG_MSG("num_config: %d", num_config);
/* create an EGL rendering context */
ECHK(context = eglCreateContext(display, config, EGL_NO_CONTEXT, context_attribute_list));
surface = make_window(display, config, 256, 256);
ECHK(eglQuerySurface(display, surface, EGL_WIDTH, &width));
ECHK(eglQuerySurface(display, surface, EGL_HEIGHT, &height));
DEBUG_MSG("Buffer: %dx%d", width, height);
/* connect the context to the surface */
ECHK(eglMakeCurrent(display, surface, surface, context));
program = get_program(vertex_shader_source, fragment_shader_source);
GCHK(glBindAttribLocation(program, 0, "aPosition"));
GCHK(glBindAttribLocation(program, 1, "aColor"));
link_program(program);
GCHK(glViewport(0, 0, width, height));
if (fbo)
GCHK(setup_fbo(width, height));
/* clear the color buffer */
GCHK(glClearColor(0.3125, 0.3125, 0.3125, 1.0));
GCHK(glClear(GL_COLOR_BUFFER_BIT));
GCHK(glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, vVertices));
GCHK(glEnableVertexAttribArray(0));
GCHK(glVertexAttribPointer(1, 4, GL_FLOAT, GL_FALSE, 0, vColors));
GCHK(glEnableVertexAttribArray(1));
GCHK(glDrawArrays(GL_TRIANGLE_STRIP, 0, 6));
ECHK(eglSwapBuffers(display, surface));
GCHK(glFlush());
if (fbo)
GCHK(cleanup_fbo());
ECHK(eglDestroySurface(display, surface));
ECHK(eglTerminate(display));
RD_END();
}
