diff options
Diffstat (limited to 'src/mesa/state_tracker/st_format.c')
-rw-r--r-- | src/mesa/state_tracker/st_format.c | 163 |
1 files changed, 98 insertions, 65 deletions
diff --git a/src/mesa/state_tracker/st_format.c b/src/mesa/state_tracker/st_format.c index c149c5cf0b..d7d2be6d45 100644 --- a/src/mesa/state_tracker/st_format.c +++ b/src/mesa/state_tracker/st_format.c @@ -389,56 +389,64 @@ default_srgba_format(struct pipe_screen *screen, /** * 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. + * This is called during glTexImage2D, for example. + * + * The bindings parameter typically has PIPE_BIND_SAMPLER_VIEW set, plus + * either PIPE_BINDING_RENDER_TARGET or PIPE_BINDING_DEPTH_STENCIL if + * we want render-to-texture ability. + * + * \param internalFormat the user value passed to glTexImage2D * \param target one of PIPE_TEXTURE_x - * \param tex_usage either PIPE_BIND_RENDER_TARGET - * or PIPE_BIND_SAMPLER_VIEW + * \param bindings bitmask of PIPE_BIND_x flags. */ enum pipe_format st_choose_format(struct pipe_screen *screen, GLenum internalFormat, - enum pipe_texture_target target, unsigned tex_usage) + enum pipe_texture_target target, unsigned bindings) { - unsigned geom_flags = 0; + unsigned geom_flags = 0; /* we don't care about POT vs. NPOT here, yet */ switch (internalFormat) { case 4: case GL_RGBA: - case GL_COMPRESSED_RGBA: case GL_RGBA8: case GL_RGB10_A2: case GL_RGBA12: - return default_rgba_format( screen, target, tex_usage, geom_flags ); + return default_rgba_format( screen, target, bindings, geom_flags ); case 3: case GL_RGB: - case GL_COMPRESSED_RGB: - return default_rgb_format( screen, target, tex_usage, geom_flags ); + return default_rgb_format( screen, target, bindings, geom_flags ); case GL_RGBA16: - return default_rgba_format( screen, target, tex_usage, geom_flags ); + return default_rgba_format( screen, target, bindings, geom_flags ); case GL_RGBA4: case GL_RGBA2: - if (screen->is_format_supported( screen, PIPE_FORMAT_B4G4R4A4_UNORM, target, tex_usage, geom_flags )) + if (screen->is_format_supported( screen, PIPE_FORMAT_B4G4R4A4_UNORM, + target, bindings, geom_flags )) return PIPE_FORMAT_B4G4R4A4_UNORM; - return default_rgba_format( screen, target, tex_usage, geom_flags ); + return default_rgba_format( screen, target, bindings, geom_flags ); case GL_RGB5_A1: - if (screen->is_format_supported( screen, PIPE_FORMAT_B5G5R5A1_UNORM, target, tex_usage, geom_flags )) + if (screen->is_format_supported( screen, PIPE_FORMAT_B5G5R5A1_UNORM, + target, bindings, geom_flags )) return PIPE_FORMAT_B5G5R5A1_UNORM; - return default_rgba_format( screen, target, tex_usage, geom_flags ); + return default_rgba_format( screen, target, bindings, geom_flags ); case GL_RGB8: case GL_RGB10: case GL_RGB12: case GL_RGB16: - return default_rgb_format( screen, target, tex_usage, geom_flags ); + return default_rgb_format( screen, target, bindings, geom_flags ); case GL_RGB5: case GL_RGB4: case GL_R3_G3_B2: - if (screen->is_format_supported( screen, PIPE_FORMAT_B5G6R5_UNORM, target, tex_usage, geom_flags )) + if (screen->is_format_supported( screen, PIPE_FORMAT_B5G6R5_UNORM, + target, bindings, geom_flags )) return PIPE_FORMAT_B5G6R5_UNORM; - if (screen->is_format_supported( screen, PIPE_FORMAT_B5G5R5A1_UNORM, target, tex_usage, geom_flags )) + if (screen->is_format_supported( screen, PIPE_FORMAT_B5G5R5A1_UNORM, + target, bindings, geom_flags )) return PIPE_FORMAT_B5G5R5A1_UNORM; - return default_rgba_format( screen, target, tex_usage, geom_flags ); + return default_rgba_format( screen, target, bindings, geom_flags ); case GL_ALPHA: case GL_ALPHA4: @@ -446,9 +454,10 @@ st_choose_format(struct pipe_screen *screen, GLenum internalFormat, case GL_ALPHA12: case GL_ALPHA16: case GL_COMPRESSED_ALPHA: - if (screen->is_format_supported( screen, PIPE_FORMAT_A8_UNORM, target, tex_usage, geom_flags )) + if (screen->is_format_supported( screen, PIPE_FORMAT_A8_UNORM, target, + bindings, geom_flags )) return PIPE_FORMAT_A8_UNORM; - return default_rgba_format( screen, target, tex_usage, geom_flags ); + return default_rgba_format( screen, target, bindings, geom_flags ); case 1: case GL_LUMINANCE: @@ -457,9 +466,10 @@ st_choose_format(struct pipe_screen *screen, GLenum internalFormat, case GL_LUMINANCE12: case GL_LUMINANCE16: case GL_COMPRESSED_LUMINANCE: - if (screen->is_format_supported( screen, PIPE_FORMAT_L8_UNORM, target, tex_usage, geom_flags )) + if (screen->is_format_supported( screen, PIPE_FORMAT_L8_UNORM, target, + bindings, geom_flags )) return PIPE_FORMAT_L8_UNORM; - return default_rgba_format( screen, target, tex_usage, geom_flags ); + return default_rgba_format( screen, target, bindings, geom_flags ); case 2: case GL_LUMINANCE_ALPHA: @@ -470,9 +480,10 @@ st_choose_format(struct pipe_screen *screen, GLenum internalFormat, case GL_LUMINANCE12_ALPHA12: case GL_LUMINANCE16_ALPHA16: case GL_COMPRESSED_LUMINANCE_ALPHA: - if (screen->is_format_supported( screen, PIPE_FORMAT_L8A8_UNORM, target, tex_usage, geom_flags )) + if (screen->is_format_supported( screen, PIPE_FORMAT_L8A8_UNORM, target, + bindings, geom_flags )) return PIPE_FORMAT_L8A8_UNORM; - return default_rgba_format( screen, target, tex_usage, geom_flags ); + return default_rgba_format( screen, target, bindings, geom_flags ); case GL_INTENSITY: case GL_INTENSITY4: @@ -480,36 +491,73 @@ st_choose_format(struct pipe_screen *screen, GLenum internalFormat, case GL_INTENSITY12: case GL_INTENSITY16: case GL_COMPRESSED_INTENSITY: - if (screen->is_format_supported( screen, PIPE_FORMAT_I8_UNORM, target, tex_usage, geom_flags )) + if (screen->is_format_supported( screen, PIPE_FORMAT_I8_UNORM, target, + bindings, geom_flags )) return PIPE_FORMAT_I8_UNORM; - return default_rgba_format( screen, target, tex_usage, geom_flags ); + return default_rgba_format( screen, target, bindings, geom_flags ); case GL_YCBCR_MESA: if (screen->is_format_supported(screen, PIPE_FORMAT_UYVY, - target, tex_usage, geom_flags)) { + target, bindings, geom_flags)) { return PIPE_FORMAT_UYVY; } if (screen->is_format_supported(screen, PIPE_FORMAT_YUYV, - target, tex_usage, geom_flags)) { + target, bindings, geom_flags)) { return PIPE_FORMAT_YUYV; } return PIPE_FORMAT_NONE; + case GL_COMPRESSED_RGB: + /* can only sample from compressed formats */ + if (bindings & ~PIPE_BIND_SAMPLER_VIEW) + return PIPE_FORMAT_NONE; + else if (screen->is_format_supported(screen, PIPE_FORMAT_DXT1_RGB, + target, bindings, geom_flags)) + return PIPE_FORMAT_DXT1_RGB; + else + return default_rgb_format(screen, target, bindings, geom_flags); + + case GL_COMPRESSED_RGBA: + /* can only sample from compressed formats */ + if (bindings & ~PIPE_BIND_SAMPLER_VIEW) + return PIPE_FORMAT_NONE; + else if (screen->is_format_supported(screen, PIPE_FORMAT_DXT3_RGBA, + target, bindings, geom_flags)) + return PIPE_FORMAT_DXT3_RGBA; + else + return default_rgba_format(screen, target, bindings, geom_flags); + case GL_RGB_S3TC: case GL_RGB4_S3TC: case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: - return PIPE_FORMAT_DXT1_RGB; + if (screen->is_format_supported(screen, PIPE_FORMAT_DXT1_RGB, + target, bindings, geom_flags)) + return PIPE_FORMAT_DXT1_RGB; + else + return PIPE_FORMAT_NONE; case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: - return PIPE_FORMAT_DXT1_RGBA; + if (screen->is_format_supported(screen, PIPE_FORMAT_DXT1_RGBA, + target, bindings, geom_flags)) + return PIPE_FORMAT_DXT1_RGBA; + else + return PIPE_FORMAT_NONE; case GL_RGBA_S3TC: case GL_RGBA4_S3TC: case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: - return PIPE_FORMAT_DXT3_RGBA; + if (screen->is_format_supported(screen, PIPE_FORMAT_DXT3_RGBA, + target, bindings, geom_flags)) + return PIPE_FORMAT_DXT3_RGBA; + else + return PIPE_FORMAT_NONE; case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: - return PIPE_FORMAT_DXT5_RGBA; + if (screen->is_format_supported(screen, PIPE_FORMAT_DXT5_RGBA, + target, bindings, geom_flags)) + return PIPE_FORMAT_DXT5_RGBA; + else + return PIPE_FORMAT_NONE; #if 0 case GL_COMPRESSED_RGB_FXT1_3DFX: @@ -519,17 +567,21 @@ st_choose_format(struct pipe_screen *screen, GLenum internalFormat, #endif case GL_DEPTH_COMPONENT16: - if (screen->is_format_supported( screen, PIPE_FORMAT_Z16_UNORM, target, tex_usage, geom_flags )) + if (screen->is_format_supported(screen, PIPE_FORMAT_Z16_UNORM, target, + bindings, geom_flags)) return PIPE_FORMAT_Z16_UNORM; /* fall-through */ case GL_DEPTH_COMPONENT24: - if (screen->is_format_supported( screen, PIPE_FORMAT_Z24_UNORM_S8_USCALED, target, tex_usage, geom_flags )) + if (screen->is_format_supported(screen, PIPE_FORMAT_Z24_UNORM_S8_USCALED, + target, bindings, geom_flags)) return PIPE_FORMAT_Z24_UNORM_S8_USCALED; - if (screen->is_format_supported( screen, PIPE_FORMAT_S8_USCALED_Z24_UNORM, target, tex_usage, geom_flags )) + if (screen->is_format_supported(screen, PIPE_FORMAT_S8_USCALED_Z24_UNORM, + target, bindings, geom_flags)) return PIPE_FORMAT_S8_USCALED_Z24_UNORM; /* fall-through */ case GL_DEPTH_COMPONENT32: - if (screen->is_format_supported( screen, PIPE_FORMAT_Z32_UNORM, target, tex_usage, geom_flags )) + if (screen->is_format_supported(screen, PIPE_FORMAT_Z32_UNORM, + target, bindings, geom_flags)) return PIPE_FORMAT_Z32_UNORM; /* fall-through */ case GL_DEPTH_COMPONENT: @@ -541,7 +593,7 @@ st_choose_format(struct pipe_screen *screen, GLenum internalFormat, PIPE_FORMAT_S8_USCALED_Z24_UNORM }; return find_supported_format(screen, formats, Elements(formats), - target, tex_usage, geom_flags); + target, bindings, geom_flags); } case GL_STENCIL_INDEX: @@ -556,7 +608,7 @@ st_choose_format(struct pipe_screen *screen, GLenum internalFormat, PIPE_FORMAT_S8_USCALED_Z24_UNORM }; return find_supported_format(screen, formats, Elements(formats), - target, tex_usage, geom_flags); + target, bindings, geom_flags); } case GL_DEPTH_STENCIL_EXT: @@ -567,7 +619,7 @@ st_choose_format(struct pipe_screen *screen, GLenum internalFormat, PIPE_FORMAT_S8_USCALED_Z24_UNORM }; return find_supported_format(screen, formats, Elements(formats), - target, tex_usage, geom_flags); + target, bindings, geom_flags); } case GL_SRGB_EXT: @@ -576,7 +628,7 @@ st_choose_format(struct pipe_screen *screen, GLenum internalFormat, 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 ); + return default_srgba_format( screen, target, bindings, geom_flags ); case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT: return PIPE_FORMAT_DXT1_SRGB; case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT: @@ -590,15 +642,17 @@ st_choose_format(struct pipe_screen *screen, GLenum internalFormat, case GL_SLUMINANCE8_ALPHA8_EXT: case GL_COMPRESSED_SLUMINANCE_EXT: case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT: - if (screen->is_format_supported( screen, PIPE_FORMAT_L8A8_SRGB, target, tex_usage, geom_flags )) + if (screen->is_format_supported(screen, PIPE_FORMAT_L8A8_SRGB, + target, bindings, geom_flags)) return PIPE_FORMAT_L8A8_SRGB; - return default_srgba_format( screen, target, tex_usage, geom_flags ); + return default_srgba_format( screen, target, bindings, 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 )) + if (screen->is_format_supported(screen, PIPE_FORMAT_L8_SRGB, + target, bindings, geom_flags)) return PIPE_FORMAT_L8_SRGB; - return default_srgba_format( screen, target, tex_usage, geom_flags ); + return default_srgba_format( screen, target, bindings, geom_flags ); default: return PIPE_FORMAT_NONE; @@ -606,27 +660,6 @@ st_choose_format(struct pipe_screen *screen, GLenum internalFormat, } -static GLboolean -is_depth_or_stencil_format(GLenum internalFormat) -{ - switch (internalFormat) { - case GL_DEPTH_COMPONENT: - case GL_DEPTH_COMPONENT16: - case GL_DEPTH_COMPONENT24: - case GL_DEPTH_COMPONENT32: - case GL_STENCIL_INDEX: - case GL_STENCIL_INDEX1_EXT: - case GL_STENCIL_INDEX4_EXT: - case GL_STENCIL_INDEX8_EXT: - case GL_STENCIL_INDEX16_EXT: - case GL_DEPTH_STENCIL_EXT: - case GL_DEPTH24_STENCIL8_EXT: - return GL_TRUE; - default: - return GL_FALSE; - } -} - /** * Called by FBO code to choose a PIPE_FORMAT_ for drawing surfaces. */ @@ -635,7 +668,7 @@ st_choose_renderbuffer_format(struct pipe_screen *screen, GLenum internalFormat) { uint usage; - if (is_depth_or_stencil_format(internalFormat)) + if (_mesa_is_depth_or_stencil_format(internalFormat)) usage = PIPE_BIND_DEPTH_STENCIL; else usage = PIPE_BIND_RENDER_TARGET; |