X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fstate_tracker%2Fst_format.c;h=1ed79524b2cc688c8de8a1d8f851d66782916b4a;hb=73578ba9c4938db3a23198c3a2ddf843cfc4f700;hp=93125afe9e1c3bb5aa39e2290bd6e6d90efd8653;hpb=4ebc54795dc93f7eee200312abfa2da1b49506e3;p=mesa.git diff --git a/src/mesa/state_tracker/st_format.c b/src/mesa/state_tracker/st_format.c index 93125afe9e1..1ed79524b2c 100644 --- a/src/mesa/state_tracker/st_format.c +++ b/src/mesa/state_tracker/st_format.c @@ -1,7 +1,7 @@ /************************************************************************** * * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. - * Copyright (c) 2008 VMware, Inc. + * Copyright (c) 2008-2010 VMware, Inc. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a @@ -28,206 +28,126 @@ /** - * Texture Image-related functions. + * Mesa / Gallium format conversion and format selection code. * \author Brian Paul */ #include "main/imports.h" #include "main/context.h" #include "main/texstore.h" -#include "main/texformat.h" -#include "main/enums.h" +#include "main/image.h" #include "main/macros.h" #include "pipe/p_context.h" #include "pipe/p_defines.h" #include "pipe/p_screen.h" +#include "util/u_format.h" #include "st_context.h" #include "st_format.h" -static GLuint -format_bits( - pipe_format_rgbazs_t info, - GLuint comp ) -{ - return pf_get_component_bits( (enum pipe_format) info, comp ); -} static GLuint -format_max_bits( - pipe_format_rgbazs_t info ) +format_max_bits(enum pipe_format format) { - GLuint size = format_bits( info, PIPE_FORMAT_COMP_R ); + GLuint size = util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_RGB, 0); - size = MAX2( size, format_bits( info, PIPE_FORMAT_COMP_G ) ); - size = MAX2( size, format_bits( info, PIPE_FORMAT_COMP_B ) ); - size = MAX2( size, format_bits( info, PIPE_FORMAT_COMP_A ) ); - size = MAX2( size, format_bits( info, PIPE_FORMAT_COMP_Z ) ); - size = MAX2( size, format_bits( info, PIPE_FORMAT_COMP_S ) ); + size = MAX2(size, util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_RGB, 1)); + size = MAX2(size, util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_RGB, 2)); + size = MAX2(size, util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_RGB, 3)); + size = MAX2(size, util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_ZS, 0)); + size = MAX2(size, util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_ZS, 1)); return size; } -static GLuint -format_size( - pipe_format_rgbazs_t info ) -{ - return - format_bits( info, PIPE_FORMAT_COMP_R ) + - format_bits( info, PIPE_FORMAT_COMP_G ) + - format_bits( info, PIPE_FORMAT_COMP_B ) + - format_bits( info, PIPE_FORMAT_COMP_A ) + - format_bits( info, PIPE_FORMAT_COMP_Z ) + - format_bits( info, PIPE_FORMAT_COMP_S ); -} -/* - * XXX temporary here +/** + * Return basic GL datatype for the given gallium format. */ -GLboolean -st_get_format_info(enum pipe_format format, struct pipe_format_info *pinfo) +GLenum +st_format_datatype(enum pipe_format format) { - if (pf_layout(format) == PIPE_FORMAT_LAYOUT_RGBAZS) { - pipe_format_rgbazs_t info; + const struct util_format_description *desc; - info = format; - -#if 0 - printf("%s\n", pf_name( format ) ); -#endif + desc = util_format_description(format); + assert(desc); - /* Data type */ - if (format == PIPE_FORMAT_A1R5G5B5_UNORM || format == PIPE_FORMAT_R5G6B5_UNORM) { - pinfo->datatype = GL_UNSIGNED_SHORT; + if (desc->layout == UTIL_FORMAT_LAYOUT_PLAIN) { + if (format == PIPE_FORMAT_B5G5R5A1_UNORM || + format == PIPE_FORMAT_B5G6R5_UNORM) { + return GL_UNSIGNED_SHORT; } - else if (format == PIPE_FORMAT_S8Z24_UNORM) { - pinfo->datatype = GL_UNSIGNED_INT_24_8; + else if (format == PIPE_FORMAT_Z24_UNORM_S8_USCALED || + format == PIPE_FORMAT_S8_USCALED_Z24_UNORM || + format == PIPE_FORMAT_Z24X8_UNORM || + format == PIPE_FORMAT_X8Z24_UNORM) { + return GL_UNSIGNED_INT_24_8; } else { - const GLuint size = format_max_bits( info ); + const GLuint size = format_max_bits(format); if (size == 8) { - if (pf_type(info) == PIPE_FORMAT_TYPE_UNORM) - pinfo->datatype = GL_UNSIGNED_BYTE; + if (desc->channel[0].type == UTIL_FORMAT_TYPE_UNSIGNED) + return GL_UNSIGNED_BYTE; else - pinfo->datatype = GL_BYTE; + return GL_BYTE; } else if (size == 16) { - if (pf_type(info) == PIPE_FORMAT_TYPE_UNORM) - pinfo->datatype = GL_UNSIGNED_SHORT; + if (desc->channel[0].type == UTIL_FORMAT_TYPE_UNSIGNED) + return GL_UNSIGNED_SHORT; else - pinfo->datatype = GL_SHORT; + return GL_SHORT; } else { assert( size <= 32 ); - if (pf_type(info) == PIPE_FORMAT_TYPE_UNORM) - pinfo->datatype = GL_UNSIGNED_INT; + if (desc->channel[0].type == UTIL_FORMAT_TYPE_UNSIGNED) + return GL_UNSIGNED_INT; else - pinfo->datatype = GL_INT; + return GL_INT; } } - - /* Component bits */ - pinfo->red_bits = format_bits( info, PIPE_FORMAT_COMP_R ); - pinfo->green_bits = format_bits( info, PIPE_FORMAT_COMP_G ); - pinfo->blue_bits = format_bits( info, PIPE_FORMAT_COMP_B ); - pinfo->alpha_bits = format_bits( info, PIPE_FORMAT_COMP_A ); - pinfo->depth_bits = format_bits( info, PIPE_FORMAT_COMP_Z ); - pinfo->stencil_bits = format_bits( info, PIPE_FORMAT_COMP_S ); - pinfo->luminance_bits = 0; - pinfo->intensity_bits = 0; - - /* Format size */ - pinfo->size = format_size( info ) / 8; - - /* Luminance & Intensity bits */ - if( pf_swizzle_x(info) == PIPE_FORMAT_COMP_R && - pf_swizzle_y(info) == PIPE_FORMAT_COMP_R && - pf_swizzle_z(info) == PIPE_FORMAT_COMP_R ) { - if( pf_swizzle_w(info) == PIPE_FORMAT_COMP_R ) { - pinfo->intensity_bits = pinfo->red_bits; - } - else { - pinfo->luminance_bits = pinfo->red_bits; - } - pinfo->red_bits = 0; - } - - pinfo->mesa_format = st_pipe_format_to_mesa_format(format); } - else if (pf_layout(format) == PIPE_FORMAT_LAYOUT_YCBCR) { - pinfo->mesa_format = MESA_FORMAT_YCBCR; - pinfo->datatype = GL_UNSIGNED_SHORT; - pinfo->size = 2; /* two bytes per "texel" */ + else if (format == PIPE_FORMAT_UYVY) { + return GL_UNSIGNED_SHORT; + } + else if (format == PIPE_FORMAT_YUYV) { + return GL_UNSIGNED_SHORT; } else { /* compressed format? */ assert(0); } -#if 0 - printf( - "ST_FORMAT: R(%u), G(%u), B(%u), A(%u), Z(%u), S(%u)\n", - pinfo->red_bits, - pinfo->green_bits, - pinfo->blue_bits, - pinfo->alpha_bits, - pinfo->depth_bits, - pinfo->stencil_bits ); -#endif - - pinfo->format = format; - - return GL_TRUE; -} - - -/** - * Return bytes per pixel for the given format. - */ -GLuint -st_sizeof_format(enum pipe_format format) -{ - struct pipe_format_info info; - if (!st_get_format_info( format, &info )) { - assert( 0 ); - return 0; - } - return info.size; + assert(0); + return GL_NONE; } /** - * Return bytes per pixel for the given format. + * Translate Mesa format to Gallium format. */ -GLenum -st_format_datatype(enum pipe_format format) -{ - struct pipe_format_info info; - if (!st_get_format_info( format, &info )) { - assert( 0 ); - return 0; - } - return info.datatype; -} - - enum pipe_format st_mesa_format_to_pipe_format(gl_format mesaFormat) { switch (mesaFormat) { - /* fix this */ - case MESA_FORMAT_ARGB8888_REV: + case MESA_FORMAT_RGBA8888: + return PIPE_FORMAT_A8B8G8R8_UNORM; + case MESA_FORMAT_RGBA8888_REV: + return PIPE_FORMAT_R8G8B8A8_UNORM; case MESA_FORMAT_ARGB8888: + return PIPE_FORMAT_B8G8R8A8_UNORM; + case MESA_FORMAT_ARGB8888_REV: return PIPE_FORMAT_A8R8G8B8_UNORM; case MESA_FORMAT_XRGB8888: + return PIPE_FORMAT_B8G8R8X8_UNORM; + case MESA_FORMAT_XRGB8888_REV: return PIPE_FORMAT_X8R8G8B8_UNORM; case MESA_FORMAT_ARGB1555: - return PIPE_FORMAT_A1R5G5B5_UNORM; + return PIPE_FORMAT_B5G5R5A1_UNORM; case MESA_FORMAT_ARGB4444: - return PIPE_FORMAT_A4R4G4B4_UNORM; + return PIPE_FORMAT_B4G4R4A4_UNORM; case MESA_FORMAT_RGB565: - return PIPE_FORMAT_R5G6B5_UNORM; + return PIPE_FORMAT_B5G6R5_UNORM; case MESA_FORMAT_AL88: - return PIPE_FORMAT_A8L8_UNORM; + return PIPE_FORMAT_L8A8_UNORM; case MESA_FORMAT_A8: return PIPE_FORMAT_A8_UNORM; case MESA_FORMAT_L8: @@ -239,11 +159,15 @@ st_mesa_format_to_pipe_format(gl_format mesaFormat) case MESA_FORMAT_Z32: return PIPE_FORMAT_Z32_UNORM; case MESA_FORMAT_Z24_S8: - return PIPE_FORMAT_Z24S8_UNORM; + return PIPE_FORMAT_S8_USCALED_Z24_UNORM; case MESA_FORMAT_S8_Z24: - return PIPE_FORMAT_S8Z24_UNORM; + return PIPE_FORMAT_Z24_UNORM_S8_USCALED; + case MESA_FORMAT_Z24_X8: + return PIPE_FORMAT_X8Z24_UNORM; + case MESA_FORMAT_X8_Z24: + return PIPE_FORMAT_Z24X8_UNORM; case MESA_FORMAT_YCBCR: - return PIPE_FORMAT_YCBCR; + return PIPE_FORMAT_UYVY; #if FEATURE_texture_s3tc case MESA_FORMAT_RGB_DXT1: return PIPE_FORMAT_DXT1_RGB; @@ -266,38 +190,49 @@ st_mesa_format_to_pipe_format(gl_format mesaFormat) #endif #if FEATURE_EXT_texture_sRGB case MESA_FORMAT_SLA8: - return PIPE_FORMAT_A8L8_SRGB; + return PIPE_FORMAT_L8A8_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; + return PIPE_FORMAT_A8B8G8R8_SRGB; case MESA_FORMAT_SARGB8: - return PIPE_FORMAT_A8R8G8B8_SRGB; + return PIPE_FORMAT_B8G8R8A8_SRGB; #endif default: assert(0); - return 0; + return PIPE_FORMAT_NONE; } } +/** + * Translate Gallium format to Mesa format. + */ gl_format -st_pipe_format_to_mesa_format(enum pipe_format pipeFormat) +st_pipe_format_to_mesa_format(enum pipe_format format) { - switch (pipeFormat) { - case PIPE_FORMAT_A8R8G8B8_UNORM: + switch (format) { + case PIPE_FORMAT_A8B8G8R8_UNORM: + return MESA_FORMAT_RGBA8888; + case PIPE_FORMAT_R8G8B8A8_UNORM: + return MESA_FORMAT_RGBA8888_REV; + case PIPE_FORMAT_B8G8R8A8_UNORM: return MESA_FORMAT_ARGB8888; - case PIPE_FORMAT_X8R8G8B8_UNORM: + case PIPE_FORMAT_A8R8G8B8_UNORM: + return MESA_FORMAT_ARGB8888_REV; + case PIPE_FORMAT_B8G8R8X8_UNORM: return MESA_FORMAT_XRGB8888; - case PIPE_FORMAT_A1R5G5B5_UNORM: + case PIPE_FORMAT_X8R8G8B8_UNORM: + return MESA_FORMAT_XRGB8888_REV; + case PIPE_FORMAT_B5G5R5A1_UNORM: return MESA_FORMAT_ARGB1555; - case PIPE_FORMAT_A4R4G4B4_UNORM: + case PIPE_FORMAT_B4G4R4A4_UNORM: return MESA_FORMAT_ARGB4444; - case PIPE_FORMAT_R5G6B5_UNORM: + case PIPE_FORMAT_B5G6R5_UNORM: return MESA_FORMAT_RGB565; - case PIPE_FORMAT_A8L8_UNORM: + case PIPE_FORMAT_L8A8_UNORM: return MESA_FORMAT_AL88; case PIPE_FORMAT_A8_UNORM: return MESA_FORMAT_A8; @@ -305,25 +240,29 @@ st_pipe_format_to_mesa_format(enum pipe_format pipeFormat) return MESA_FORMAT_L8; case PIPE_FORMAT_I8_UNORM: return MESA_FORMAT_I8; + case PIPE_FORMAT_S8_USCALED: + return MESA_FORMAT_S8; + + case PIPE_FORMAT_R16G16B16A16_SNORM: + return MESA_FORMAT_SIGNED_RGBA_16; + case PIPE_FORMAT_Z16_UNORM: return MESA_FORMAT_Z16; case PIPE_FORMAT_Z32_UNORM: return MESA_FORMAT_Z32; - case PIPE_FORMAT_Z24X8_UNORM: - return MESA_FORMAT_Z24_X8; - case PIPE_FORMAT_Z24S8_UNORM: + case PIPE_FORMAT_S8_USCALED_Z24_UNORM: return MESA_FORMAT_Z24_S8; case PIPE_FORMAT_X8Z24_UNORM: + return MESA_FORMAT_Z24_X8; + case PIPE_FORMAT_Z24X8_UNORM: return MESA_FORMAT_X8_Z24; - case PIPE_FORMAT_S8Z24_UNORM: + case PIPE_FORMAT_Z24_UNORM_S8_USCALED: return MESA_FORMAT_S8_Z24; - case PIPE_FORMAT_S8_UNORM: - return MESA_FORMAT_S8; - case PIPE_FORMAT_YCBCR: + case PIPE_FORMAT_UYVY: return MESA_FORMAT_YCBCR; - case PIPE_FORMAT_R16G16B16A16_SNORM: - return MESA_FORMAT_SIGNED_RGBA_16; + case PIPE_FORMAT_YUYV: + return MESA_FORMAT_YCBCR_REV; #if FEATURE_texture_s3tc case PIPE_FORMAT_DXT1_RGB: @@ -345,22 +284,46 @@ st_pipe_format_to_mesa_format(enum pipe_format pipeFormat) return MESA_FORMAT_SRGBA_DXT5; #endif #endif + #if FEATURE_EXT_texture_sRGB - case PIPE_FORMAT_A8L8_SRGB: + case PIPE_FORMAT_L8A8_SRGB: return MESA_FORMAT_SLA8; case PIPE_FORMAT_L8_SRGB: return MESA_FORMAT_SL8; case PIPE_FORMAT_R8G8B8_SRGB: return MESA_FORMAT_SRGB8; - case PIPE_FORMAT_R8G8B8A8_SRGB: + case PIPE_FORMAT_A8B8G8R8_SRGB: return MESA_FORMAT_SRGBA8; - case PIPE_FORMAT_A8R8G8B8_SRGB: + case PIPE_FORMAT_B8G8R8A8_SRGB: return MESA_FORMAT_SARGB8; #endif default: assert(0); - return 0; + return MESA_FORMAT_NONE; + } +} + + +/** + * 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 sample_count, + unsigned tex_usage, + unsigned geom_flags) +{ + uint i; + for (i = 0; i < num_formats; i++) { + if (screen->is_format_supported(screen, formats[i], target, + sample_count, tex_usage, geom_flags)) { + return formats[i]; + } } + return PIPE_FORMAT_NONE; } @@ -370,49 +333,42 @@ st_pipe_format_to_mesa_format(enum pipe_format pipeFormat) static enum pipe_format default_rgba_format(struct pipe_screen *screen, enum pipe_texture_target target, - unsigned tex_usage, + unsigned sample_count, + unsigned tex_usage, unsigned geom_flags) { static const enum pipe_format colorFormats[] = { - PIPE_FORMAT_A8R8G8B8_UNORM, PIPE_FORMAT_B8G8R8A8_UNORM, - PIPE_FORMAT_R8G8B8A8_UNORM, - PIPE_FORMAT_R5G6B5_UNORM + PIPE_FORMAT_A8R8G8B8_UNORM, + 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, sample_count, tex_usage, geom_flags); } + /** * Find an RGB format supported by the context/winsys. */ static enum pipe_format default_rgb_format(struct pipe_screen *screen, enum pipe_texture_target target, - unsigned tex_usage, + unsigned sample_count, + unsigned tex_usage, unsigned geom_flags) { static const enum pipe_format colorFormats[] = { - PIPE_FORMAT_X8R8G8B8_UNORM, PIPE_FORMAT_B8G8R8X8_UNORM, - PIPE_FORMAT_R8G8B8X8_UNORM, - PIPE_FORMAT_A8R8G8B8_UNORM, + PIPE_FORMAT_X8R8G8B8_UNORM, + PIPE_FORMAT_X8B8G8R8_UNORM, PIPE_FORMAT_B8G8R8A8_UNORM, - PIPE_FORMAT_R8G8B8A8_UNORM, - PIPE_FORMAT_R5G6B5_UNORM + PIPE_FORMAT_A8R8G8B8_UNORM, + 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, sample_count, tex_usage, geom_flags); } /** @@ -421,123 +377,93 @@ default_rgb_format(struct pipe_screen *screen, static enum pipe_format default_srgba_format(struct pipe_screen *screen, enum pipe_texture_target target, - unsigned tex_usage, + unsigned sample_count, + 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. - */ -static enum pipe_format -default_deep_rgba_format(struct pipe_screen *screen, - enum pipe_texture_target target, - unsigned tex_usage, - unsigned geom_flags) -{ - if (screen->is_format_supported(screen, PIPE_FORMAT_R16G16B16A16_SNORM, target, tex_usage, geom_flags)) { - return PIPE_FORMAT_R16G16B16A16_SNORM; - } - if (tex_usage & PIPE_TEXTURE_USAGE_RENDER_TARGET) - return default_rgba_format(screen, target, tex_usage, geom_flags); - else - return PIPE_FORMAT_NONE; -} - - -/** - * 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_S8Z24_UNORM, - PIPE_FORMAT_Z24S8_UNORM + PIPE_FORMAT_A8R8G8B8_SRGB, + PIPE_FORMAT_A8B8G8R8_SRGB, }; - 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; + return find_supported_format(screen, colorFormats, Elements(colorFormats), + target, sample_count, tex_usage, geom_flags); } /** * 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_TEXTURE_USAGE_RENDER_TARGET - * or PIPE_TEXTURE_USAGE_SAMPLER + * \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 sample_count, + 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, sample_count, 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, sample_count, bindings, + geom_flags ); case GL_RGBA16: - if (tex_usage & PIPE_TEXTURE_USAGE_RENDER_TARGET) - return default_deep_rgba_format( screen, target, tex_usage, geom_flags ); - else - return default_rgba_format( screen, target, tex_usage, geom_flags ); + return default_rgba_format( screen, target, sample_count, bindings, + geom_flags ); case GL_RGBA4: case GL_RGBA2: - if (screen->is_format_supported( screen, PIPE_FORMAT_A4R4G4B4_UNORM, target, tex_usage, geom_flags )) - return PIPE_FORMAT_A4R4G4B4_UNORM; - return default_rgba_format( screen, target, tex_usage, geom_flags ); + if (screen->is_format_supported( screen, PIPE_FORMAT_B4G4R4A4_UNORM, + target, sample_count, bindings, + geom_flags )) + return PIPE_FORMAT_B4G4R4A4_UNORM; + return default_rgba_format( screen, target, sample_count, bindings, + geom_flags ); case GL_RGB5_A1: - if (screen->is_format_supported( screen, PIPE_FORMAT_A1R5G5B5_UNORM, target, tex_usage, geom_flags )) - return PIPE_FORMAT_A1R5G5B5_UNORM; - return default_rgba_format( screen, target, tex_usage, geom_flags ); + if (screen->is_format_supported( screen, PIPE_FORMAT_B5G5R5A1_UNORM, + target, sample_count, bindings, + geom_flags )) + return PIPE_FORMAT_B5G5R5A1_UNORM; + return default_rgba_format( screen, target, sample_count, 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, sample_count, bindings, + geom_flags ); case GL_RGB5: case GL_RGB4: case GL_R3_G3_B2: - if (screen->is_format_supported( screen, PIPE_FORMAT_R5G6B5_UNORM, target, tex_usage, geom_flags )) - return PIPE_FORMAT_R5G6B5_UNORM; - if (screen->is_format_supported( screen, PIPE_FORMAT_A1R5G5B5_UNORM, target, tex_usage, geom_flags )) - return PIPE_FORMAT_A1R5G5B5_UNORM; - return default_rgba_format( screen, target, tex_usage, geom_flags ); + if (screen->is_format_supported( screen, PIPE_FORMAT_B5G6R5_UNORM, + target, sample_count, bindings, + geom_flags )) + return PIPE_FORMAT_B5G6R5_UNORM; + if (screen->is_format_supported( screen, PIPE_FORMAT_B5G5R5A1_UNORM, + target, sample_count, bindings, + geom_flags )) + return PIPE_FORMAT_B5G5R5A1_UNORM; + return default_rgba_format( screen, target, sample_count, bindings, + geom_flags ); case GL_ALPHA: case GL_ALPHA4: @@ -545,9 +471,11 @@ 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, + sample_count, bindings, geom_flags )) return PIPE_FORMAT_A8_UNORM; - return default_rgba_format( screen, target, tex_usage, geom_flags ); + return default_rgba_format( screen, target, sample_count, bindings, + geom_flags ); case 1: case GL_LUMINANCE: @@ -556,9 +484,11 @@ 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, + sample_count, bindings, geom_flags )) return PIPE_FORMAT_L8_UNORM; - return default_rgba_format( screen, target, tex_usage, geom_flags ); + return default_rgba_format( screen, target, sample_count, bindings, + geom_flags ); case 2: case GL_LUMINANCE_ALPHA: @@ -569,9 +499,11 @@ 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_A8L8_UNORM, target, tex_usage, geom_flags )) - return PIPE_FORMAT_A8L8_UNORM; - return default_rgba_format( screen, target, tex_usage, geom_flags ); + if (screen->is_format_supported( screen, PIPE_FORMAT_L8A8_UNORM, target, + sample_count, bindings, geom_flags )) + return PIPE_FORMAT_L8A8_UNORM; + return default_rgba_format( screen, target, sample_count, bindings, + geom_flags ); case GL_INTENSITY: case GL_INTENSITY4: @@ -579,36 +511,82 @@ 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, + sample_count, bindings, geom_flags )) return PIPE_FORMAT_I8_UNORM; - return default_rgba_format( screen, target, tex_usage, geom_flags ); + return default_rgba_format( screen, target, sample_count, bindings, + geom_flags ); case GL_YCBCR_MESA: - if (screen->is_format_supported(screen, PIPE_FORMAT_YCBCR, - target, tex_usage, geom_flags)) { - return PIPE_FORMAT_YCBCR; + if (screen->is_format_supported(screen, PIPE_FORMAT_UYVY, target, + sample_count, bindings, geom_flags)) { + return PIPE_FORMAT_UYVY; } - if (screen->is_format_supported(screen, PIPE_FORMAT_YCBCR_REV, - target, tex_usage, geom_flags)) { - return PIPE_FORMAT_YCBCR_REV; + if (screen->is_format_supported(screen, PIPE_FORMAT_YUYV, target, + sample_count, 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, sample_count, bindings, + geom_flags)) + return PIPE_FORMAT_DXT1_RGB; + else + return default_rgb_format(screen, target, sample_count, 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, sample_count, bindings, + geom_flags)) + return PIPE_FORMAT_DXT3_RGBA; + else + return default_rgba_format(screen, target, sample_count, 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, sample_count, 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, sample_count, 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, sample_count, 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, sample_count, bindings, + geom_flags)) + return PIPE_FORMAT_DXT5_RGBA; + else + return PIPE_FORMAT_NONE; #if 0 case GL_COMPRESSED_RGB_FXT1_3DFX: @@ -618,42 +596,60 @@ 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, + sample_count, bindings, geom_flags)) return PIPE_FORMAT_Z16_UNORM; /* fall-through */ case GL_DEPTH_COMPONENT24: - if (screen->is_format_supported( screen, PIPE_FORMAT_S8Z24_UNORM, target, tex_usage, geom_flags )) - return PIPE_FORMAT_S8Z24_UNORM; - if (screen->is_format_supported( screen, PIPE_FORMAT_Z24S8_UNORM, target, tex_usage, geom_flags )) - return PIPE_FORMAT_Z24S8_UNORM; + if (screen->is_format_supported(screen, PIPE_FORMAT_Z24_UNORM_S8_USCALED, + target, sample_count, bindings, geom_flags)) + return PIPE_FORMAT_Z24_UNORM_S8_USCALED; + if (screen->is_format_supported(screen, PIPE_FORMAT_S8_USCALED_Z24_UNORM, + target, sample_count, 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, + sample_count, bindings, geom_flags)) 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, sample_count, bindings, 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: - if (screen->is_format_supported( screen, PIPE_FORMAT_S8_UNORM, target, tex_usage, geom_flags )) - return PIPE_FORMAT_S8_UNORM; - if (screen->is_format_supported( screen, PIPE_FORMAT_S8Z24_UNORM, target, tex_usage, geom_flags )) - return PIPE_FORMAT_S8Z24_UNORM; - if (screen->is_format_supported( screen, PIPE_FORMAT_Z24S8_UNORM, target, tex_usage, geom_flags )) - return PIPE_FORMAT_Z24S8_UNORM; - return PIPE_FORMAT_NONE; + { + 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, sample_count, bindings, geom_flags); + } case GL_DEPTH_STENCIL_EXT: case GL_DEPTH24_STENCIL8_EXT: - if (screen->is_format_supported( screen, PIPE_FORMAT_S8Z24_UNORM, target, tex_usage, geom_flags )) - return PIPE_FORMAT_S8Z24_UNORM; - if (screen->is_format_supported( screen, PIPE_FORMAT_Z24S8_UNORM, target, tex_usage, geom_flags )) - return PIPE_FORMAT_Z24S8_UNORM; - return PIPE_FORMAT_NONE; + { + 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, sample_count, bindings, geom_flags); + } case GL_SRGB_EXT: case GL_SRGB8_EXT: @@ -661,7 +657,8 @@ 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, sample_count, bindings, + geom_flags ); case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT: return PIPE_FORMAT_DXT1_SRGB; case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT: @@ -675,15 +672,19 @@ 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_A8L8_SRGB, target, tex_usage, geom_flags )) - return PIPE_FORMAT_A8L8_SRGB; - return default_srgba_format( screen, target, tex_usage, geom_flags ); + if (screen->is_format_supported(screen, PIPE_FORMAT_L8A8_SRGB, target, + sample_count, bindings, geom_flags)) + return PIPE_FORMAT_L8A8_SRGB; + return default_srgba_format( screen, target, sample_count, 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, + sample_count, bindings, geom_flags)) return PIPE_FORMAT_L8_SRGB; - return default_srgba_format( screen, target, tex_usage, geom_flags ); + return default_srgba_format( screen, target, sample_count, bindings, + geom_flags ); default: return PIPE_FORMAT_NONE; @@ -691,116 +692,20 @@ 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. */ enum pipe_format st_choose_renderbuffer_format(struct pipe_screen *screen, - GLenum internalFormat) + GLenum internalFormat, unsigned sample_count) { uint usage; - if (is_depth_or_stencil_format(internalFormat)) - usage = PIPE_TEXTURE_USAGE_DEPTH_STENCIL; + if (_mesa_is_depth_or_stencil_format(internalFormat)) + usage = PIPE_BIND_DEPTH_STENCIL; else - usage = PIPE_TEXTURE_USAGE_RENDER_TARGET; - return st_choose_format(screen, internalFormat, PIPE_TEXTURE_2D, usage); -} - - -static gl_format -translate_gallium_format_to_mesa_format(enum pipe_format format) -{ - switch (format) { - case PIPE_FORMAT_A8R8G8B8_UNORM: - return MESA_FORMAT_ARGB8888; - case PIPE_FORMAT_X8R8G8B8_UNORM: - return MESA_FORMAT_XRGB8888; - case PIPE_FORMAT_A1R5G5B5_UNORM: - return MESA_FORMAT_ARGB1555; - case PIPE_FORMAT_A4R4G4B4_UNORM: - return MESA_FORMAT_ARGB4444; - case PIPE_FORMAT_R5G6B5_UNORM: - return MESA_FORMAT_RGB565; - case PIPE_FORMAT_A8L8_UNORM: - return MESA_FORMAT_AL88; - case PIPE_FORMAT_A8_UNORM: - return MESA_FORMAT_A8; - case PIPE_FORMAT_L8_UNORM: - return MESA_FORMAT_L8; - case PIPE_FORMAT_I8_UNORM: - return MESA_FORMAT_I8; - case PIPE_FORMAT_Z16_UNORM: - return MESA_FORMAT_Z16; - case PIPE_FORMAT_Z32_UNORM: - return MESA_FORMAT_Z32; - case PIPE_FORMAT_Z24S8_UNORM: - return MESA_FORMAT_Z24_S8; - case PIPE_FORMAT_X8Z24_UNORM: - return MESA_FORMAT_X8_Z24; - case PIPE_FORMAT_S8Z24_UNORM: - return MESA_FORMAT_S8_Z24; - case PIPE_FORMAT_YCBCR: - return MESA_FORMAT_YCBCR; - case PIPE_FORMAT_YCBCR_REV: - return MESA_FORMAT_YCBCR_REV; -#if FEATURE_texture_s3tc - case PIPE_FORMAT_DXT1_RGB: - return MESA_FORMAT_RGB_DXT1; - case PIPE_FORMAT_DXT1_RGBA: - return MESA_FORMAT_RGBA_DXT1; - case PIPE_FORMAT_DXT3_RGBA: - return MESA_FORMAT_RGBA_DXT3; - case PIPE_FORMAT_DXT5_RGBA: - return MESA_FORMAT_RGBA_DXT5; -#if FEATURE_EXT_texture_sRGB - case PIPE_FORMAT_DXT1_SRGB: - return MESA_FORMAT_SRGB_DXT1; - case PIPE_FORMAT_DXT1_SRGBA: - return MESA_FORMAT_SRGBA_DXT1; - case PIPE_FORMAT_DXT3_SRGBA: - return MESA_FORMAT_SRGBA_DXT3; - case PIPE_FORMAT_DXT5_SRGBA: - return MESA_FORMAT_SRGBA_DXT5; -#endif -#endif -#if FEATURE_EXT_texture_sRGB - case PIPE_FORMAT_A8L8_SRGB: - return MESA_FORMAT_SLA8; - case PIPE_FORMAT_L8_SRGB: - return MESA_FORMAT_SL8; - case PIPE_FORMAT_R8G8B8_SRGB: - return MESA_FORMAT_SRGB8; - case PIPE_FORMAT_R8G8B8A8_SRGB: - return MESA_FORMAT_SRGBA8; - case PIPE_FORMAT_A8R8G8B8_SRGB: - return MESA_FORMAT_SARGB8; -#endif - /* XXX add additional cases */ - default: - assert(0); - return MESA_FORMAT_NONE; - } + usage = PIPE_BIND_RENDER_TARGET; + return st_choose_format(screen, internalFormat, PIPE_TEXTURE_2D, + sample_count, usage); } @@ -811,17 +716,37 @@ gl_format st_ChooseTextureFormat(GLcontext *ctx, GLint internalFormat, GLenum format, GLenum type) { + struct pipe_screen *screen = st_context(ctx)->pipe->screen; enum pipe_format pFormat; + uint bindings; (void) format; (void) type; - pFormat = st_choose_format(ctx->st->pipe->screen, internalFormat, - PIPE_TEXTURE_2D, PIPE_TEXTURE_USAGE_SAMPLER); - if (pFormat == PIPE_FORMAT_NONE) + /* GL textures may wind up being render targets, but we don't know + * that in advance. Specify potential render target flags now. + */ + if (_mesa_is_depth_format(internalFormat) || + _mesa_is_depthstencil_format(internalFormat)) + bindings = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_DEPTH_STENCIL; + else + bindings = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET; + + pFormat = st_choose_format(screen, internalFormat, + PIPE_TEXTURE_2D, 0, bindings); + + if (pFormat == PIPE_FORMAT_NONE) { + /* try choosing format again, this time without render target bindings */ + pFormat = st_choose_format(screen, internalFormat, + PIPE_TEXTURE_2D, 0, PIPE_BIND_SAMPLER_VIEW); + } + + if (pFormat == PIPE_FORMAT_NONE) { + /* no luck at all */ return MESA_FORMAT_NONE; + } - return translate_gallium_format_to_mesa_format(pFormat); + return st_pipe_format_to_mesa_format(pFormat); } @@ -832,14 +757,47 @@ GLboolean st_equal_formats(enum pipe_format pFormat, GLenum format, GLenum type) { switch (pFormat) { - case PIPE_FORMAT_R8G8B8A8_UNORM: + case PIPE_FORMAT_A8B8G8R8_UNORM: return format == GL_RGBA && type == GL_UNSIGNED_BYTE; - case PIPE_FORMAT_B8G8R8A8_UNORM: + case PIPE_FORMAT_A8R8G8B8_UNORM: return format == GL_BGRA && type == GL_UNSIGNED_BYTE; - case PIPE_FORMAT_R5G6B5_UNORM: + case PIPE_FORMAT_B5G6R5_UNORM: return format == GL_RGB && type == GL_UNSIGNED_SHORT_5_6_5; /* XXX more combos... */ default: return GL_FALSE; } } + +GLboolean +st_sampler_compat_formats(enum pipe_format format1, enum pipe_format format2) +{ + if (format1 == format2) + return GL_TRUE; + + if (format1 == PIPE_FORMAT_B8G8R8A8_UNORM && + format2 == PIPE_FORMAT_B8G8R8X8_UNORM) + return GL_TRUE; + + if (format1 == PIPE_FORMAT_B8G8R8X8_UNORM && + format2 == PIPE_FORMAT_B8G8R8A8_UNORM) + return GL_TRUE; + + if (format1 == PIPE_FORMAT_A8B8G8R8_UNORM && + format2 == PIPE_FORMAT_X8B8G8R8_UNORM) + return GL_TRUE; + + if (format1 == PIPE_FORMAT_X8B8G8R8_UNORM && + format2 == PIPE_FORMAT_A8B8G8R8_UNORM) + return GL_TRUE; + + if (format1 == PIPE_FORMAT_A8R8G8B8_UNORM && + format2 == PIPE_FORMAT_X8R8G8B8_UNORM) + return GL_TRUE; + + if (format1 == PIPE_FORMAT_X8R8G8B8_UNORM && + format2 == PIPE_FORMAT_A8R8G8B8_UNORM) + return GL_TRUE; + + return GL_FALSE; +}