/**
+ * Return a base GL format given the user-requested format
+ * for glGetTexImage().
+ */
+static GLenum
+_mesa_base_pack_format(GLenum format)
+{
+ switch (format) {
+ case GL_ABGR_EXT:
+ case GL_BGRA:
+ case GL_BGRA_INTEGER:
+ case GL_RGBA_INTEGER:
+ return GL_RGBA;
+ case GL_BGR:
+ case GL_BGR_INTEGER:
+ case GL_RGB_INTEGER:
+ return GL_RGB;
+ case GL_RED_INTEGER:
+ return GL_RED;
+ case GL_GREEN_INTEGER:
+ return GL_GREEN;
+ case GL_BLUE_INTEGER:
+ return GL_BLUE;
+ case GL_ALPHA_INTEGER:
+ return GL_ALPHA;
+ case GL_LUMINANCE_INTEGER_EXT:
+ return GL_LUMINANCE;
+ case GL_LUMINANCE_ALPHA_INTEGER_EXT:
+ return GL_LUMINANCE_ALPHA;
+ default:
+ return format;
+ }
+}
+
+
+/**
* Get an uncompressed color texture image.
*/
static void
const gl_format texFormat =
_mesa_get_srgb_format_linear(texImage->TexFormat);
const GLuint width = texImage->Width;
- const GLenum destBaseFormat = _mesa_base_tex_format(ctx, format);
+ GLenum destBaseFormat = _mesa_base_pack_format(format);
GLenum rebaseFormat = GL_NONE;
GLuint height = texImage->Height;
GLuint depth = texImage->Depth;