There exists _mesa_components_in_format() which already includes
all cases handled in _mesa_base_format_component_count().
Reviewed-by: Tapani Pälli <tapani.palli@intel.com>
* RGB we can treat alpha as not used and write whatever we like into it.
*/
const GLenum base_format = irb->Base.Base._BaseFormat;
- const int components = _mesa_base_format_component_count(base_format);
+ const int components = _mesa_components_in_format(base_format);
bool disables = false;
assert(components > 0);
}
-/**
- * Returns the number of channels/components for a base format.
- */
-GLint
-_mesa_base_format_component_count(GLenum base_format)
-{
- switch (base_format) {
- case GL_LUMINANCE:
- case GL_RED:
- case GL_ALPHA:
- case GL_INTENSITY:
- case GL_DEPTH_COMPONENT:
- return 1;
- case GL_RG:
- case GL_LUMINANCE_ALPHA:
- case GL_DEPTH_STENCIL:
- return 2;
- case GL_RGB:
- return 3;
- case GL_RGBA:
- return 4;
- default:
- return -1;
- }
-}
-
-
/**
* If format is a generic compressed format, return the corresponding
* non-compressed format. For other formats, return the format as-is.
extern GLboolean
_mesa_base_format_has_channel(GLenum base_format, GLenum pname);
-extern GLint
-_mesa_base_format_component_count(GLenum base_format);
-
extern GLenum
_mesa_generic_compressed_format_to_uncompressed_format(GLenum format);
if (_mesa_is_gles(ctx)) {
bool valid = true;
- if (_mesa_base_format_component_count(baseFormat) >
- _mesa_base_format_component_count(rb_base_format)) {
+ if (_mesa_components_in_format(baseFormat) >
+ _mesa_components_in_format(rb_base_format)) {
valid = false;
}
if (baseFormat == GL_DEPTH_COMPONENT ||