diff options
Diffstat (limited to 'src/mesa/state_tracker')
| -rw-r--r-- | src/mesa/state_tracker/st_format.c | 149 |
1 files changed, 57 insertions, 92 deletions
diff --git a/src/mesa/state_tracker/st_format.c b/src/mesa/state_tracker/st_format.c index b9f0c1fde69..875b65c5b52 100644 --- a/src/mesa/state_tracker/st_format.c +++ b/src/mesa/state_tracker/st_format.c @@ -303,6 +303,28 @@ st_pipe_format_to_mesa_format(enum pipe_format format) /** + * Return first supported format from the given list. + */ +static enum pipe_format +find_supported_format(struct pipe_screen *screen, + const enum pipe_format formats[], + uint num_formats, + enum pipe_texture_target target, + unsigned tex_usage, + unsigned geom_flags) +{ + uint i; + for (i = 0; i < num_formats; i++) { + if (screen->is_format_supported(screen, formats[i], target, + tex_usage, geom_flags)) { + return formats[i]; + } + } + return PIPE_FORMAT_NONE; +} + + +/** * Find an RGBA format supported by the context/winsys. */ static enum pipe_format @@ -317,15 +339,11 @@ default_rgba_format(struct pipe_screen *screen, PIPE_FORMAT_A8B8G8R8_UNORM, PIPE_FORMAT_B5G6R5_UNORM }; - 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; + return find_supported_format(screen, colorFormats, Elements(colorFormats), + target, tex_usage, geom_flags); } + /** * Find an RGB format supported by the context/winsys. */ @@ -344,13 +362,8 @@ default_rgb_format(struct pipe_screen *screen, PIPE_FORMAT_A8B8G8R8_UNORM, PIPE_FORMAT_B5G6R5_UNORM }; - 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; + return find_supported_format(screen, colorFormats, Elements(colorFormats), + target, tex_usage, geom_flags); } /** @@ -367,15 +380,11 @@ default_srgba_format(struct pipe_screen *screen, PIPE_FORMAT_A8R8G8B8_SRGB, PIPE_FORMAT_A8B8G8R8_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; + return find_supported_format(screen, colorFormats, Elements(colorFormats), + target, tex_usage, geom_flags); } + /** * Search list of formats for first RGBA format with >8 bits/channel. */ @@ -396,74 +405,6 @@ default_deep_rgba_format(struct pipe_screen *screen, /** - * Find an Z format supported by the context/winsys. - */ -static enum pipe_format -default_depth_format(struct pipe_screen *screen, - enum pipe_texture_target target, - unsigned tex_usage, - unsigned geom_flags) -{ - static const enum pipe_format zFormats[] = { - PIPE_FORMAT_Z16_UNORM, - PIPE_FORMAT_Z32_UNORM, - PIPE_FORMAT_Z24_UNORM_S8_USCALED, - PIPE_FORMAT_S8_USCALED_Z24_UNORM - }; - uint i; - for (i = 0; i < Elements(zFormats); i++) { - if (screen->is_format_supported( screen, zFormats[i], target, tex_usage, geom_flags )) { - return zFormats[i]; - } - } - return PIPE_FORMAT_NONE; -} - - -static enum pipe_format -default_depth_stencil_format(struct pipe_screen *screen, - enum pipe_texture_target target, - unsigned tex_usage, - unsigned geom_flags) -{ - static const enum pipe_format zsFormats[] = { - PIPE_FORMAT_Z24_UNORM_S8_USCALED, - PIPE_FORMAT_S8_USCALED_Z24_UNORM - }; - uint i; - for (i = 0; i < Elements(zsFormats); i++) { - if (screen->is_format_supported( screen, zsFormats[i], target, - tex_usage, geom_flags )) { - return zsFormats[i]; - } - } - return PIPE_FORMAT_NONE; -} - - -static enum pipe_format -default_stencil_format(struct pipe_screen *screen, - enum pipe_texture_target target, - unsigned tex_usage, - unsigned geom_flags) -{ - static const enum pipe_format sFormats[] = { - PIPE_FORMAT_S8_USCALED, - PIPE_FORMAT_Z24_UNORM_S8_USCALED, - PIPE_FORMAT_S8_USCALED_Z24_UNORM - }; - uint i; - for (i = 0; i < Elements(sFormats); i++) { - if (screen->is_format_supported( screen, sFormats[i], target, - tex_usage, geom_flags )) { - return sFormats[i]; - } - } - return PIPE_FORMAT_NONE; -} - - -/** * Given an OpenGL internalFormat value for a texture or surface, return * the best matching PIPE_FORMAT_x, or PIPE_FORMAT_NONE if there's no match. * \param target one of PIPE_TEXTURE_x @@ -613,18 +554,42 @@ st_choose_format(struct pipe_screen *screen, GLenum internalFormat, return PIPE_FORMAT_Z32_UNORM; /* fall-through */ case GL_DEPTH_COMPONENT: - return default_depth_format( screen, target, tex_usage, geom_flags ); + { + static const enum pipe_format formats[] = { + PIPE_FORMAT_Z16_UNORM, + PIPE_FORMAT_Z32_UNORM, + PIPE_FORMAT_Z24_UNORM_S8_USCALED, + PIPE_FORMAT_S8_USCALED_Z24_UNORM + }; + return find_supported_format(screen, formats, Elements(formats), + target, tex_usage, geom_flags); + } case GL_STENCIL_INDEX: case GL_STENCIL_INDEX1_EXT: case GL_STENCIL_INDEX4_EXT: case GL_STENCIL_INDEX8_EXT: case GL_STENCIL_INDEX16_EXT: - return default_stencil_format(screen, target, tex_usage, geom_flags); + { + static const enum pipe_format formats[] = { + PIPE_FORMAT_S8_USCALED, + PIPE_FORMAT_Z24_UNORM_S8_USCALED, + PIPE_FORMAT_S8_USCALED_Z24_UNORM + }; + return find_supported_format(screen, formats, Elements(formats), + target, tex_usage, geom_flags); + } case GL_DEPTH_STENCIL_EXT: case GL_DEPTH24_STENCIL8_EXT: - return default_depth_stencil_format(screen, target, tex_usage, geom_flags); + { + static const enum pipe_format formats[] = { + PIPE_FORMAT_Z24_UNORM_S8_USCALED, + PIPE_FORMAT_S8_USCALED_Z24_UNORM + }; + return find_supported_format(screen, formats, Elements(formats), + target, tex_usage, geom_flags); + } case GL_SRGB_EXT: case GL_SRGB8_EXT: |