diff options
Diffstat (limited to 'src/mesa/state_tracker/st_format.c')
| -rw-r--r-- | src/mesa/state_tracker/st_format.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_format.c b/src/mesa/state_tracker/st_format.c index a8ae30a454f..9e2d60c9269 100644 --- a/src/mesa/state_tracker/st_format.c +++ b/src/mesa/state_tracker/st_format.c @@ -1,6 +1,7 @@ /************************************************************************** * * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * Copyright (c) 2008 VMware, Inc. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a @@ -263,6 +264,28 @@ st_mesa_format_to_pipe_format(GLuint mesaFormat) return PIPE_FORMAT_DXT3_RGBA; case MESA_FORMAT_RGBA_DXT5: return PIPE_FORMAT_DXT5_RGBA; +#if FEATURE_EXT_texture_sRGB + case MESA_FORMAT_SRGB_DXT1: + return PIPE_FORMAT_DXT1_SRGB; + case MESA_FORMAT_SRGBA_DXT1: + return PIPE_FORMAT_DXT1_SRGBA; + case MESA_FORMAT_SRGBA_DXT3: + return PIPE_FORMAT_DXT3_SRGBA; + case MESA_FORMAT_SRGBA_DXT5: + return PIPE_FORMAT_DXT5_SRGBA; +#endif +#endif +#if FEATURE_EXT_texture_sRGB + case MESA_FORMAT_SLA8: + return PIPE_FORMAT_A8L8_SRGB; + case MESA_FORMAT_SL8: + return PIPE_FORMAT_L8_SRGB; + case MESA_FORMAT_SRGB8: + return PIPE_FORMAT_R8G8B8_SRGB; + case MESA_FORMAT_SRGBA8: + return PIPE_FORMAT_R8G8B8A8_SRGB; + case MESA_FORMAT_SARGB8: + return PIPE_FORMAT_A8R8G8B8_SRGB; #endif default: assert(0); @@ -294,6 +317,28 @@ default_rgba_format(struct pipe_screen *screen, return PIPE_FORMAT_NONE; } +/** + * Find an sRGBA format supported by the context/winsys. + */ +static enum pipe_format +default_srgba_format(struct pipe_screen *screen, + enum pipe_texture_target target, + unsigned tex_usage, + unsigned geom_flags) +{ + static const enum pipe_format colorFormats[] = { + PIPE_FORMAT_A8R8G8B8_SRGB, + PIPE_FORMAT_B8G8R8A8_SRGB, + PIPE_FORMAT_R8G8B8A8_SRGB, + }; + uint i; + for (i = 0; i < Elements(colorFormats); i++) { + if (screen->is_format_supported( screen, colorFormats[i], target, tex_usage, geom_flags )) { + return colorFormats[i]; + } + } + return PIPE_FORMAT_NONE; +} /** * Search list of formats for first RGBA format with >8 bits/channel. @@ -512,6 +557,36 @@ st_choose_format(struct pipe_context *pipe, GLint internalFormat, return PIPE_FORMAT_Z24S8_UNORM; return PIPE_FORMAT_NONE; + case GL_SRGB_EXT: + case GL_SRGB8_EXT: + case GL_COMPRESSED_SRGB_EXT: + case GL_COMPRESSED_SRGB_ALPHA_EXT: + case GL_SRGB_ALPHA_EXT: + case GL_SRGB8_ALPHA8_EXT: + return default_srgba_format( screen, target, tex_usage, geom_flags ); + case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT: + return PIPE_FORMAT_DXT1_SRGB; + case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT: + return PIPE_FORMAT_DXT1_SRGBA; + case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT: + return PIPE_FORMAT_DXT3_SRGBA; + case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT: + return PIPE_FORMAT_DXT5_SRGBA; + + case GL_SLUMINANCE_ALPHA_EXT: + case GL_SLUMINANCE8_ALPHA8_EXT: + case GL_COMPRESSED_SLUMINANCE_EXT: + case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT: + if (screen->is_format_supported( screen, PIPE_FORMAT_A8L8_SRGB, target, tex_usage, geom_flags )) + return PIPE_FORMAT_A8L8_SRGB; + return default_srgba_format( screen, target, tex_usage, geom_flags ); + + case GL_SLUMINANCE_EXT: + case GL_SLUMINANCE8_EXT: + if (screen->is_format_supported( screen, PIPE_FORMAT_L8_SRGB, target, tex_usage, geom_flags )) + return PIPE_FORMAT_L8_SRGB; + return default_srgba_format( screen, target, tex_usage, geom_flags ); + default: return PIPE_FORMAT_NONE; } @@ -591,6 +666,28 @@ translate_gallium_format_to_mesa_format(enum pipe_format format) return &_mesa_texformat_rgba_dxt3; case PIPE_FORMAT_DXT5_RGBA: return &_mesa_texformat_rgba_dxt5; +#if FEATURE_EXT_texture_sRGB + case PIPE_FORMAT_DXT1_SRGB: + return &_mesa_texformat_srgb_dxt1; + case PIPE_FORMAT_DXT1_SRGBA: + return &_mesa_texformat_srgba_dxt1; + case PIPE_FORMAT_DXT3_SRGBA: + return &_mesa_texformat_srgba_dxt3; + case PIPE_FORMAT_DXT5_SRGBA: + return &_mesa_texformat_srgba_dxt5; +#endif +#endif +#if FEATURE_EXT_texture_sRGB + case PIPE_FORMAT_A8L8_SRGB: + return &_mesa_texformat_sla8; + case PIPE_FORMAT_L8_SRGB: + return &_mesa_texformat_sl8; + case PIPE_FORMAT_R8G8B8_SRGB: + return &_mesa_texformat_srgb8; + case PIPE_FORMAT_R8G8B8A8_SRGB: + return &_mesa_texformat_srgba8; + case PIPE_FORMAT_A8R8G8B8_SRGB: + return &_mesa_texformat_sargb8; #endif /* XXX add additional cases */ default: |