virtual std::string effect_type_id() const { return "FlatInput"; }
virtual bool can_output_linear_gamma() const {
+ // On desktop OpenGL, there's also GL_SLUMINANCE8 which could give us
+ // support for single-channel sRGB decoding, but it's not supported
+ // on GLES, and we're already actively rewriting single-channel inputs
+ // to GL_RED (even on desktop), so we stick to 3- and 4-channel inputs.
return (movit_srgb_textures_supported &&
type == GL_UNSIGNED_BYTE &&
+ (pixel_format == FORMAT_RGB ||
+ pixel_format == FORMAT_RGBA_POSTMULTIPLIED_ALPHA) &&
(image_format.gamma_curve == GAMMA_LINEAR ||
image_format.gamma_curve == GAMMA_sRGB));
}
virtual AlphaHandling alpha_handling() const {
switch (pixel_format) {
case FORMAT_RGBA_PREMULTIPLIED_ALPHA:
- case FORMAT_BGRA_PREMULTIPLIED_ALPHA:
return INPUT_AND_OUTPUT_PREMULTIPLIED_ALPHA;
case FORMAT_RGBA_POSTMULTIPLIED_ALPHA:
- case FORMAT_BGRA_POSTMULTIPLIED_ALPHA:
return OUTPUT_POSTMULTIPLIED_ALPHA;
+ case FORMAT_R:
case FORMAT_RG:
case FORMAT_RGB:
- case FORMAT_BGR:
- case FORMAT_GRAYSCALE:
return OUTPUT_BLANK_ALPHA;
default:
assert(false);
unsigned width, height, pitch;
const void *pixel_data;
ResourcePool *resource_pool;
+ bool fixup_swap_rb, fixup_red_to_grayscale;
};
} // namespace movit