Reorder some pixel format values

[libs/gl.git] / source / texture.cpp

diff --git a/source/texture.cpp b/source/texture.cpp
index 90e3bb17f11de1c318f6670a28ce61a17a13a88b..b747a2a6b0d7001b3d06e7a2811f91e93f075e78 100644 (file)
--- a/source/texture.cpp
+++ b/source/texture.cpp
@@ -18,13 +18,15 @@ int Texture::swizzle_orders[] =
 {
        GL_RED, GL_GREEN, GL_BLUE, GL_ALPHA,
        GL_RED, GL_RED, GL_RED, GL_ONE,
-       GL_RED, GL_RED, GL_RED, GL_GREEN
+       GL_RED, GL_RED, GL_RED, GL_GREEN,
+       GL_BLUE, GL_GREEN, GL_RED, GL_ALPHA
 };
 
 Texture::Texture(GLenum t, ResourceManager *m):
        id(0),
        target(t),
-       ifmt(RGB),
+       format(RGB8),
+       storage_fmt(RGB8),
        swizzle(NO_SWIZZLE),
        auto_gen_mipmap(false),
        default_sampler(*this)
@@ -46,41 +48,40 @@ Texture::~Texture()
                glDeleteTextures(1, &id);
 }
 
-DataType Texture::get_alloc_type(PixelFormat fmt)
+void Texture::set_format(PixelFormat fmt)
 {
-       return (get_base_pixelformat(fmt)==DEPTH_COMPONENT ? UNSIGNED_SHORT : UNSIGNED_BYTE);
-}
-
-void Texture::set_internal_format(PixelFormat fmt)
-{
-       swizzle = NO_SWIZZLE;
-       if(ARB_texture_rg && ARB_texture_swizzle)
+       PixelComponents comp = get_components(fmt);
+       PixelComponents st_comp = comp;
+       FormatSwizzle swiz = NO_SWIZZLE;
+       switch(comp)
        {
-               if(fmt==LUMINANCE)
-               {
-                       fmt = RED;
-                       swizzle = R_TO_LUMINANCE;
-               }
-               else if(fmt==LUMINANCE_ALPHA)
-               {
-                       fmt = RG;
-                       swizzle = RG_TO_LUMINANCE_ALPHA;
-               }
+       case LUMINANCE:
+               st_comp = RED;
+               swiz = R_TO_LUMINANCE;
+               break;
+       case LUMINANCE_ALPHA:
+               st_comp = RG;
+               swiz = RG_TO_LUMINANCE_ALPHA;
+               break;
+       case BGR:
+               st_comp = RGB;
+               swiz = RGB_TO_BGR;
+               break;
+       case BGRA:
+               st_comp = RGBA;
+               swiz = RGB_TO_BGR;
+               break;
+       default:;
        }
 
-       if(!get_component_size(fmt) && OES_required_internalformat)
-               fmt = get_default_sized_pixelformat(fmt);
-
-       require_pixelformat(fmt);
-       ifmt = fmt;
-}
+       PixelFormat st_fmt = make_pixelformat(st_comp, get_component_type(fmt));
+       require_pixelformat(st_fmt);
+       if(swiz!=NO_SWIZZLE)
+               static Require _req(ARB_texture_swizzle);
 
-PixelFormat Texture::get_upload_format(PixelFormat fmt) const
-{
-       if(fmt==LUMINANCE || fmt==LUMINANCE_ALPHA)
-               return get_base_pixelformat(ifmt);
-       else
-               return fmt;
+       format = fmt;
+       storage_fmt = st_fmt;
+       swizzle = swiz;
 }
 
 void Texture::apply_swizzle()