/**
* Execute the given action.
*/
static bool
exec_action(const struct image_unit_action a)
{
if (a.action == BIND_NEW) {
const GLenum format = (get_image_format(a.format) ?
a.format : GL_RGBA32F);
const struct image_info img = image_info(a.obj, format, W, H);
const unsigned num_levels = image_num_levels(img);
uint32_t pixels[4 * N * M] = { 0 };
if (!upload_image_levels(img, num_levels, 0, a.idx, pixels))
return false;
glBindImageTexture(a.idx, get_texture(a.idx),
a.level, a.layered, a.layer,
a.access, a.format);
} else if (a.action == BIND_IDX) {
const unsigned idx = MIN2(a.idx, max_image_units());
glBindImageTexture(idx, get_texture(a.obj),
a.level, a.layered, a.layer,
a.access, a.format);
} else if (a.action == BIND_OBJ) {
glBindImageTexture(a.idx, a.obj,
a.level, a.layered, a.layer,
a.access, a.format);
} else if (a.action == DELETE_IDX) {
GLuint tex = get_texture(a.idx);
glDeleteTextures(1, &tex);
} else {
abort();
}
return piglit_check_gl_error(a.expect_status);
}
bool
upload_image(const struct image_info img, unsigned unit,
const uint32_t *pixels)
{
return upload_image_levels(img, 1, 0, unit, pixels);
}