-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
- PixelComponents comp = pixelformat_from_graphics(image.get_format());
-#pragma GCC diagnostic pop
- return make_pixelformat(comp, UNSIGNED_BYTE);
-}
-
-PixelFormat make_pixelformat(PixelComponents comp, DataType type, bool srgb)
-{
- if(srgb && type!=UNSIGNED_BYTE && comp!=RGB && comp!=RGBA && comp!=BGR && comp!=BGRA)
- throw invalid_argument("make_pixelformat");
-
- switch(comp)
- {
- case RED:
- switch(type)
- {
- case UNSIGNED_BYTE: return R8;
- case HALF_FLOAT: return R16F;
- case FLOAT: return R32F;
- default: throw invalid_argument("make_pixelformat");
- }
- case RG:
- switch(type)
- {
- case UNSIGNED_BYTE: return RG8;
- case HALF_FLOAT: return RG16F;
- case FLOAT: return RG32F;
- default: throw invalid_argument("make_pixelformat");
- }
- case RGB:
- switch(type)
- {
- case UNSIGNED_BYTE: return (srgb ? SRGB8 : RGB8);
- case HALF_FLOAT: return RGB16F;
- case FLOAT: return RGB32F;
- default: throw invalid_argument("make_pixelformat");
- }
- case RGBA:
- switch(type)
- {
- case UNSIGNED_BYTE: return (srgb ? SRGB8_ALPHA8 : RGBA8);
- case HALF_FLOAT: return RGBA16F;
- case FLOAT: return RGBA32F;
- default: throw invalid_argument("make_pixelformat");
- }
- case BGR:
- if(type!=UNSIGNED_BYTE)
- throw invalid_argument("make_pixelformat");
- return (srgb ? BGR8 : SBGR8);
- case BGRA:
- if(type!=UNSIGNED_BYTE)
- throw invalid_argument("make_pixelformat");
- return (srgb ? BGRA8 : SBGR8_ALPHA8);
- case LUMINANCE:
- if(type!=UNSIGNED_BYTE)
- throw invalid_argument("make_pixelformat");
- return LUMINANCE8;
- case LUMINANCE_ALPHA:
- if(type!=UNSIGNED_BYTE)
- throw invalid_argument("make_pixelformat");
- return LUMINANCE8;
- case STENCIL_INDEX:
- if(type!=UNSIGNED_BYTE)
- throw invalid_argument("make_pixelformat");
- return STENCIL_INDEX8;
- case DEPTH_COMPONENT:
- switch(type)
- {
- case UNSIGNED_SHORT: return DEPTH_COMPONENT16;
- case UNSIGNED_INT: return DEPTH_COMPONENT32;
- case FLOAT: return DEPTH_COMPONENT32F;
- default: throw invalid_argument("make_pixelformat");
- }
- default:
- throw invalid_argument("make_pixelformat");
- }
-}
-
-PixelFormat get_base_pixelformat(PixelFormat pf)
-{
- switch(pf)
- {
- case SRGB8: return RGB8;
- case SRGB8_ALPHA8: return RGBA8;
- default: return pf;
- }
-}
-
-PixelComponents get_components(PixelFormat pf)
-{
- switch(pf)
- {
- case R8:
- case R16F:
- case R32F: return RED;
- case RG8:
- case RG16F:
- case RG32F: return RG;
- case RGB8:
- case RGB16F:
- case RGB32F:
- case SRGB8: return RGB;
- case RGBA8:
- case RGBA16F:
- case RGBA32F:
- case SRGB8_ALPHA8: return RGBA;
- case BGR8:
- case SBGR8: return BGR;
- case BGRA8:
- case SBGR8_ALPHA8: return BGRA;
- case LUMINANCE8: return LUMINANCE;
- case LUMINANCE8_ALPHA8: return LUMINANCE_ALPHA;
- case STENCIL_INDEX8: return STENCIL_INDEX;
- case DEPTH_COMPONENT16:
- case DEPTH_COMPONENT24:
- case DEPTH_COMPONENT32:
- case DEPTH_COMPONENT32F: return DEPTH_COMPONENT;
- default: throw invalid_argument("get_components");
- }
-}
-
-PixelFormat get_default_sized_pixelformat(PixelComponents comp)
-{
- DataType type = UNSIGNED_BYTE;
- if(comp==DEPTH_COMPONENT)
- {
- if(get_gl_api()==OPENGL_ES2 && !ARB_depth_buffer_float)
- type = UNSIGNED_SHORT;
- else
- type = FLOAT;
- }
- return make_pixelformat(comp, type);
-}
-
-PixelFormat get_srgb_pixelformat(PixelFormat pf)
-{
- switch(pf)
- {
- case RGB8: return SRGB8;
- case RGBA8: return SRGB8_ALPHA8;
- default: return pf;
- }
-}
-
-unsigned get_component_count(PixelComponents comp)
-{
- switch(comp)
- {
- case RED:
- case LUMINANCE:
- case DEPTH_COMPONENT:
- case STENCIL_INDEX:
- return 1;
- case RG:
- case LUMINANCE_ALPHA:
- return 2;
- case RGB:
- case BGR:
- return 3;
- case RGBA:
- case BGRA:
- return 4;
- default:
- throw invalid_argument("get_component_count");
- }