| /************************************************************************** |
| * |
| * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. |
| * Copyright (c) 2008-2010 VMware, Inc. |
| * All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sub license, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the |
| * next paragraph) shall be included in all copies or substantial portions |
| * of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
| * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR |
| * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| * |
| **************************************************************************/ |
| |
| |
| /** |
| * Mesa / Gallium format conversion and format selection code. |
| * \author Brian Paul |
| */ |
| |
| #include "main/imports.h" |
| #include "main/context.h" |
| #include "main/glformats.h" |
| #include "main/texstore.h" |
| #include "main/image.h" |
| #include "main/macros.h" |
| #include "main/mfeatures.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" |
| |
| |
| /** |
| * Translate Mesa format to Gallium format. |
| */ |
| enum pipe_format |
| st_mesa_format_to_pipe_format(gl_format mesaFormat) |
| { |
| switch (mesaFormat) { |
| 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_RGBX8888: |
| return PIPE_FORMAT_X8B8G8R8_UNORM; |
| case MESA_FORMAT_RGBX8888_REV: |
| return PIPE_FORMAT_R8G8B8X8_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_B5G5R5A1_UNORM; |
| case MESA_FORMAT_ARGB4444: |
| return PIPE_FORMAT_B4G4R4A4_UNORM; |
| case MESA_FORMAT_RGB565: |
| return PIPE_FORMAT_B5G6R5_UNORM; |
| case MESA_FORMAT_RGB332: |
| return PIPE_FORMAT_B2G3R3_UNORM; |
| case MESA_FORMAT_ARGB2101010: |
| return PIPE_FORMAT_B10G10R10A2_UNORM; |
| case MESA_FORMAT_AL44: |
| return PIPE_FORMAT_L4A4_UNORM; |
| case MESA_FORMAT_AL88: |
| return PIPE_FORMAT_L8A8_UNORM; |
| case MESA_FORMAT_AL1616: |
| return PIPE_FORMAT_L16A16_UNORM; |
| case MESA_FORMAT_A8: |
| return PIPE_FORMAT_A8_UNORM; |
| case MESA_FORMAT_A16: |
| return PIPE_FORMAT_A16_UNORM; |
| case MESA_FORMAT_L8: |
| return PIPE_FORMAT_L8_UNORM; |
| case MESA_FORMAT_L16: |
| return PIPE_FORMAT_L16_UNORM; |
| case MESA_FORMAT_I8: |
| return PIPE_FORMAT_I8_UNORM; |
| case MESA_FORMAT_I16: |
| return PIPE_FORMAT_I16_UNORM; |
| case MESA_FORMAT_Z16: |
| return PIPE_FORMAT_Z16_UNORM; |
| case MESA_FORMAT_Z32: |
| return PIPE_FORMAT_Z32_UNORM; |
| case MESA_FORMAT_Z24_S8: |
| return PIPE_FORMAT_S8_UINT_Z24_UNORM; |
| case MESA_FORMAT_S8_Z24: |
| return PIPE_FORMAT_Z24_UNORM_S8_UINT; |
| case MESA_FORMAT_Z24_X8: |
| return PIPE_FORMAT_X8Z24_UNORM; |
| case MESA_FORMAT_X8_Z24: |
| return PIPE_FORMAT_Z24X8_UNORM; |
| case MESA_FORMAT_S8: |
| return PIPE_FORMAT_S8_UINT; |
| case MESA_FORMAT_Z32_FLOAT: |
| return PIPE_FORMAT_Z32_FLOAT; |
| case MESA_FORMAT_Z32_FLOAT_X24S8: |
| return PIPE_FORMAT_Z32_FLOAT_S8X24_UINT; |
| case MESA_FORMAT_YCBCR: |
| return PIPE_FORMAT_UYVY; |
| #if FEATURE_texture_s3tc |
| case MESA_FORMAT_RGB_DXT1: |
| return PIPE_FORMAT_DXT1_RGB; |
| case MESA_FORMAT_RGBA_DXT1: |
| return PIPE_FORMAT_DXT1_RGBA; |
| case MESA_FORMAT_RGBA_DXT3: |
| 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_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_A8B8G8R8_SRGB; |
| case MESA_FORMAT_SARGB8: |
| return PIPE_FORMAT_B8G8R8A8_SRGB; |
| #endif |
| case MESA_FORMAT_RGBA_FLOAT32: |
| return PIPE_FORMAT_R32G32B32A32_FLOAT; |
| case MESA_FORMAT_RGBA_FLOAT16: |
| return PIPE_FORMAT_R16G16B16A16_FLOAT; |
| case MESA_FORMAT_RGB_FLOAT32: |
| return PIPE_FORMAT_R32G32B32_FLOAT; |
| case MESA_FORMAT_RGB_FLOAT16: |
| return PIPE_FORMAT_R16G16B16_FLOAT; |
| case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32: |
| return PIPE_FORMAT_L32A32_FLOAT; |
| case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16: |
| return PIPE_FORMAT_L16A16_FLOAT; |
| case MESA_FORMAT_LUMINANCE_FLOAT32: |
| return PIPE_FORMAT_L32_FLOAT; |
| case MESA_FORMAT_LUMINANCE_FLOAT16: |
| return PIPE_FORMAT_L16_FLOAT; |
| case MESA_FORMAT_ALPHA_FLOAT32: |
| return PIPE_FORMAT_A32_FLOAT; |
| case MESA_FORMAT_ALPHA_FLOAT16: |
| return PIPE_FORMAT_A16_FLOAT; |
| case MESA_FORMAT_INTENSITY_FLOAT32: |
| return PIPE_FORMAT_I32_FLOAT; |
| case MESA_FORMAT_INTENSITY_FLOAT16: |
| return PIPE_FORMAT_I16_FLOAT; |
| case MESA_FORMAT_R_FLOAT32: |
| return PIPE_FORMAT_R32_FLOAT; |
| case MESA_FORMAT_R_FLOAT16: |
| return PIPE_FORMAT_R16_FLOAT; |
| case MESA_FORMAT_RG_FLOAT32: |
| return PIPE_FORMAT_R32G32_FLOAT; |
| case MESA_FORMAT_RG_FLOAT16: |
| return PIPE_FORMAT_R16G16_FLOAT; |
| |
| case MESA_FORMAT_R8: |
| return PIPE_FORMAT_R8_UNORM; |
| case MESA_FORMAT_R16: |
| return PIPE_FORMAT_R16_UNORM; |
| case MESA_FORMAT_GR88: |
| return PIPE_FORMAT_R8G8_UNORM; |
| case MESA_FORMAT_RG1616: |
| return PIPE_FORMAT_R16G16_UNORM; |
| case MESA_FORMAT_RGBA_16: |
| return PIPE_FORMAT_R16G16B16A16_UNORM; |
| |
| /* signed int formats */ |
| case MESA_FORMAT_ALPHA_UINT8: |
| return PIPE_FORMAT_A8_UINT; |
| case MESA_FORMAT_ALPHA_UINT16: |
| return PIPE_FORMAT_A16_UINT; |
| case MESA_FORMAT_ALPHA_UINT32: |
| return PIPE_FORMAT_A32_UINT; |
| |
| case MESA_FORMAT_ALPHA_INT8: |
| return PIPE_FORMAT_A8_SINT; |
| case MESA_FORMAT_ALPHA_INT16: |
| return PIPE_FORMAT_A16_SINT; |
| case MESA_FORMAT_ALPHA_INT32: |
| return PIPE_FORMAT_A32_SINT; |
| |
| case MESA_FORMAT_INTENSITY_UINT8: |
| return PIPE_FORMAT_I8_UINT; |
| case MESA_FORMAT_INTENSITY_UINT16: |
| return PIPE_FORMAT_I16_UINT; |
| case MESA_FORMAT_INTENSITY_UINT32: |
| return PIPE_FORMAT_I32_UINT; |
| |
| case MESA_FORMAT_INTENSITY_INT8: |
| return PIPE_FORMAT_I8_SINT; |
| case MESA_FORMAT_INTENSITY_INT16: |
| return PIPE_FORMAT_I16_SINT; |
| case MESA_FORMAT_INTENSITY_INT32: |
| return PIPE_FORMAT_I32_SINT; |
| |
| case MESA_FORMAT_LUMINANCE_UINT8: |
| return PIPE_FORMAT_L8_UINT; |
| case MESA_FORMAT_LUMINANCE_UINT16: |
| return PIPE_FORMAT_L16_UINT; |
| case MESA_FORMAT_LUMINANCE_UINT32: |
| return PIPE_FORMAT_L32_UINT; |
| |
| case MESA_FORMAT_LUMINANCE_INT8: |
| return PIPE_FORMAT_L8_SINT; |
| case MESA_FORMAT_LUMINANCE_INT16: |
| return PIPE_FORMAT_L16_SINT; |
| case MESA_FORMAT_LUMINANCE_INT32: |
| return PIPE_FORMAT_L32_SINT; |
| |
| case MESA_FORMAT_LUMINANCE_ALPHA_UINT8: |
| return PIPE_FORMAT_L8A8_UINT; |
| case MESA_FORMAT_LUMINANCE_ALPHA_UINT16: |
| return PIPE_FORMAT_L16A16_UINT; |
| case MESA_FORMAT_LUMINANCE_ALPHA_UINT32: |
| return PIPE_FORMAT_L32A32_UINT; |
| |
| case MESA_FORMAT_LUMINANCE_ALPHA_INT8: |
| return PIPE_FORMAT_L8A8_SINT; |
| case MESA_FORMAT_LUMINANCE_ALPHA_INT16: |
| return PIPE_FORMAT_L16A16_SINT; |
| case MESA_FORMAT_LUMINANCE_ALPHA_INT32: |
| return PIPE_FORMAT_L32A32_SINT; |
| |
| case MESA_FORMAT_R_INT8: |
| return PIPE_FORMAT_R8_SINT; |
| case MESA_FORMAT_RG_INT8: |
| return PIPE_FORMAT_R8G8_SINT; |
| case MESA_FORMAT_RGB_INT8: |
| return PIPE_FORMAT_R8G8B8_SINT; |
| case MESA_FORMAT_RGBA_INT8: |
| return PIPE_FORMAT_R8G8B8A8_SINT; |
| case MESA_FORMAT_R_INT16: |
| return PIPE_FORMAT_R16_SINT; |
| case MESA_FORMAT_RG_INT16: |
| return PIPE_FORMAT_R16G16_SINT; |
| case MESA_FORMAT_RGB_INT16: |
| return PIPE_FORMAT_R16G16B16_SINT; |
| case MESA_FORMAT_RGBA_INT16: |
| return PIPE_FORMAT_R16G16B16A16_SINT; |
| case MESA_FORMAT_R_INT32: |
| return PIPE_FORMAT_R32_SINT; |
| case MESA_FORMAT_RG_INT32: |
| return PIPE_FORMAT_R32G32_SINT; |
| case MESA_FORMAT_RGB_INT32: |
| return PIPE_FORMAT_R32G32B32_SINT; |
| case MESA_FORMAT_RGBA_INT32: |
| return PIPE_FORMAT_R32G32B32A32_SINT; |
| |
| /* unsigned int formats */ |
| case MESA_FORMAT_R_UINT8: |
| return PIPE_FORMAT_R8_UINT; |
| case MESA_FORMAT_RG_UINT8: |
| return PIPE_FORMAT_R8G8_UINT; |
| case MESA_FORMAT_RGB_UINT8: |
| return PIPE_FORMAT_R8G8B8_UINT; |
| case MESA_FORMAT_RGBA_UINT8: |
| return PIPE_FORMAT_R8G8B8A8_UINT; |
| case MESA_FORMAT_R_UINT16: |
| return PIPE_FORMAT_R16_UINT; |
| case MESA_FORMAT_RG_UINT16: |
| return PIPE_FORMAT_R16G16_UINT; |
| case MESA_FORMAT_RGB_UINT16: |
| return PIPE_FORMAT_R16G16B16_UINT; |
| case MESA_FORMAT_RGBA_UINT16: |
| return PIPE_FORMAT_R16G16B16A16_UINT; |
| case MESA_FORMAT_R_UINT32: |
| return PIPE_FORMAT_R32_UINT; |
| case MESA_FORMAT_RG_UINT32: |
| return PIPE_FORMAT_R32G32_UINT; |
| case MESA_FORMAT_RGB_UINT32: |
| return PIPE_FORMAT_R32G32B32_UINT; |
| case MESA_FORMAT_RGBA_UINT32: |
| return PIPE_FORMAT_R32G32B32A32_UINT; |
| |
| case MESA_FORMAT_RED_RGTC1: |
| return PIPE_FORMAT_RGTC1_UNORM; |
| case MESA_FORMAT_SIGNED_RED_RGTC1: |
| return PIPE_FORMAT_RGTC1_SNORM; |
| case MESA_FORMAT_RG_RGTC2: |
| return PIPE_FORMAT_RGTC2_UNORM; |
| case MESA_FORMAT_SIGNED_RG_RGTC2: |
| return PIPE_FORMAT_RGTC2_SNORM; |
| |
| case MESA_FORMAT_L_LATC1: |
| return PIPE_FORMAT_LATC1_UNORM; |
| case MESA_FORMAT_SIGNED_L_LATC1: |
| return PIPE_FORMAT_LATC1_SNORM; |
| case MESA_FORMAT_LA_LATC2: |
| return PIPE_FORMAT_LATC2_UNORM; |
| case MESA_FORMAT_SIGNED_LA_LATC2: |
| return PIPE_FORMAT_LATC2_SNORM; |
| |
| case MESA_FORMAT_ETC1_RGB8: |
| return PIPE_FORMAT_ETC1_RGB8; |
| |
| /* signed normalized formats */ |
| case MESA_FORMAT_SIGNED_R8: |
| return PIPE_FORMAT_R8_SNORM; |
| case MESA_FORMAT_SIGNED_RG88_REV: |
| return PIPE_FORMAT_R8G8_SNORM; |
| case MESA_FORMAT_SIGNED_RGBA8888_REV: |
| return PIPE_FORMAT_R8G8B8A8_SNORM; |
| |
| case MESA_FORMAT_SIGNED_A8: |
| return PIPE_FORMAT_A8_SNORM; |
| case MESA_FORMAT_SIGNED_L8: |
| return PIPE_FORMAT_L8_SNORM; |
| case MESA_FORMAT_SIGNED_AL88: |
| return PIPE_FORMAT_L8A8_SNORM; |
| case MESA_FORMAT_SIGNED_I8: |
| return PIPE_FORMAT_I8_SNORM; |
| |
| case MESA_FORMAT_SIGNED_R16: |
| return PIPE_FORMAT_R16_SNORM; |
| case MESA_FORMAT_SIGNED_GR1616: |
| return PIPE_FORMAT_R16G16_SNORM; |
| case MESA_FORMAT_SIGNED_RGBA_16: |
| return PIPE_FORMAT_R16G16B16A16_SNORM; |
| |
| case MESA_FORMAT_SIGNED_A16: |
| return PIPE_FORMAT_A16_SNORM; |
| case MESA_FORMAT_SIGNED_L16: |
| return PIPE_FORMAT_L16_SNORM; |
| case MESA_FORMAT_SIGNED_AL1616: |
| return PIPE_FORMAT_L16A16_SNORM; |
| case MESA_FORMAT_SIGNED_I16: |
| return PIPE_FORMAT_I16_SNORM; |
| |
| case MESA_FORMAT_RGB9_E5_FLOAT: |
| return PIPE_FORMAT_R9G9B9E5_FLOAT; |
| case MESA_FORMAT_R11_G11_B10_FLOAT: |
| return PIPE_FORMAT_R11G11B10_FLOAT; |
| case MESA_FORMAT_ARGB2101010_UINT: |
| return PIPE_FORMAT_B10G10R10A2_UINT; |
| default: |
| assert(0); |
| return PIPE_FORMAT_NONE; |
| } |
| } |
| |
| |
| /** |
| * Translate Gallium format to Mesa format. |
| */ |
| gl_format |
| st_pipe_format_to_mesa_format(enum pipe_format format) |
| { |
| 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_A8R8G8B8_UNORM: |
| return MESA_FORMAT_ARGB8888_REV; |
| case PIPE_FORMAT_X8B8G8R8_UNORM: |
| return MESA_FORMAT_RGBX8888; |
| case PIPE_FORMAT_R8G8B8X8_UNORM: |
| return MESA_FORMAT_RGBX8888_REV; |
| case PIPE_FORMAT_B8G8R8X8_UNORM: |
| return MESA_FORMAT_XRGB8888; |
| case PIPE_FORMAT_X8R8G8B8_UNORM: |
| return MESA_FORMAT_XRGB8888_REV; |
| case PIPE_FORMAT_B5G5R5A1_UNORM: |
| return MESA_FORMAT_ARGB1555; |
| case PIPE_FORMAT_B4G4R4A4_UNORM: |
| return MESA_FORMAT_ARGB4444; |
| case PIPE_FORMAT_B5G6R5_UNORM: |
| return MESA_FORMAT_RGB565; |
| case PIPE_FORMAT_B2G3R3_UNORM: |
| return MESA_FORMAT_RGB332; |
| case PIPE_FORMAT_B10G10R10A2_UNORM: |
| return MESA_FORMAT_ARGB2101010; |
| case PIPE_FORMAT_L4A4_UNORM: |
| return MESA_FORMAT_AL44; |
| case PIPE_FORMAT_L8A8_UNORM: |
| return MESA_FORMAT_AL88; |
| case PIPE_FORMAT_L16A16_UNORM: |
| return MESA_FORMAT_AL1616; |
| case PIPE_FORMAT_A8_UNORM: |
| return MESA_FORMAT_A8; |
| case PIPE_FORMAT_A16_UNORM: |
| return MESA_FORMAT_A16; |
| case PIPE_FORMAT_L8_UNORM: |
| return MESA_FORMAT_L8; |
| case PIPE_FORMAT_L16_UNORM: |
| return MESA_FORMAT_L16; |
| case PIPE_FORMAT_I8_UNORM: |
| return MESA_FORMAT_I8; |
| case PIPE_FORMAT_I16_UNORM: |
| return MESA_FORMAT_I16; |
| case PIPE_FORMAT_S8_UINT: |
| return MESA_FORMAT_S8; |
| |
| case PIPE_FORMAT_R16G16B16A16_UNORM: |
| return MESA_FORMAT_RGBA_16; |
| |
| case PIPE_FORMAT_Z16_UNORM: |
| return MESA_FORMAT_Z16; |
| case PIPE_FORMAT_Z32_UNORM: |
| return MESA_FORMAT_Z32; |
| case PIPE_FORMAT_S8_UINT_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_Z24_UNORM_S8_UINT: |
| return MESA_FORMAT_S8_Z24; |
| case PIPE_FORMAT_Z32_FLOAT: |
| return MESA_FORMAT_Z32_FLOAT; |
| case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT: |
| return MESA_FORMAT_Z32_FLOAT_X24S8; |
| |
| case PIPE_FORMAT_UYVY: |
| return MESA_FORMAT_YCBCR; |
| case PIPE_FORMAT_YUYV: |
| 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_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_A8B8G8R8_SRGB: |
| return MESA_FORMAT_SRGBA8; |
| case PIPE_FORMAT_B8G8R8A8_SRGB: |
| return MESA_FORMAT_SARGB8; |
| #endif |
| case PIPE_FORMAT_R32G32B32A32_FLOAT: |
| return MESA_FORMAT_RGBA_FLOAT32; |
| case PIPE_FORMAT_R16G16B16A16_FLOAT: |
| return MESA_FORMAT_RGBA_FLOAT16; |
| case PIPE_FORMAT_R32G32B32_FLOAT: |
| return MESA_FORMAT_RGB_FLOAT32; |
| case PIPE_FORMAT_R16G16B16_FLOAT: |
| return MESA_FORMAT_RGB_FLOAT16; |
| case PIPE_FORMAT_L32A32_FLOAT: |
| return MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32; |
| case PIPE_FORMAT_L16A16_FLOAT: |
| return MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16; |
| case PIPE_FORMAT_L32_FLOAT: |
| return MESA_FORMAT_LUMINANCE_FLOAT32; |
| case PIPE_FORMAT_L16_FLOAT: |
| return MESA_FORMAT_LUMINANCE_FLOAT16; |
| case PIPE_FORMAT_A32_FLOAT: |
| return MESA_FORMAT_ALPHA_FLOAT32; |
| case PIPE_FORMAT_A16_FLOAT: |
| return MESA_FORMAT_ALPHA_FLOAT16; |
| case PIPE_FORMAT_I32_FLOAT: |
| return MESA_FORMAT_INTENSITY_FLOAT32; |
| case PIPE_FORMAT_I16_FLOAT: |
| return MESA_FORMAT_INTENSITY_FLOAT16; |
| case PIPE_FORMAT_R32_FLOAT: |
| return MESA_FORMAT_R_FLOAT32; |
| case PIPE_FORMAT_R16_FLOAT: |
| return MESA_FORMAT_R_FLOAT16; |
| case PIPE_FORMAT_R32G32_FLOAT: |
| return MESA_FORMAT_RG_FLOAT32; |
| case PIPE_FORMAT_R16G16_FLOAT: |
| return MESA_FORMAT_RG_FLOAT16; |
| |
| case PIPE_FORMAT_R8_UNORM: |
| return MESA_FORMAT_R8; |
| case PIPE_FORMAT_R16_UNORM: |
| return MESA_FORMAT_R16; |
| case PIPE_FORMAT_R8G8_UNORM: |
| return MESA_FORMAT_GR88; |
| case PIPE_FORMAT_R16G16_UNORM: |
| return MESA_FORMAT_RG1616; |
| |
| case PIPE_FORMAT_A8_UINT: |
| return MESA_FORMAT_ALPHA_UINT8; |
| case PIPE_FORMAT_A16_UINT: |
| return MESA_FORMAT_ALPHA_UINT16; |
| case PIPE_FORMAT_A32_UINT: |
| return MESA_FORMAT_ALPHA_UINT32; |
| case PIPE_FORMAT_A8_SINT: |
| return MESA_FORMAT_ALPHA_INT8; |
| case PIPE_FORMAT_A16_SINT: |
| return MESA_FORMAT_ALPHA_INT16; |
| case PIPE_FORMAT_A32_SINT: |
| return MESA_FORMAT_ALPHA_INT32; |
| |
| case PIPE_FORMAT_I8_UINT: |
| return MESA_FORMAT_INTENSITY_UINT8; |
| case PIPE_FORMAT_I16_UINT: |
| return MESA_FORMAT_INTENSITY_UINT16; |
| case PIPE_FORMAT_I32_UINT: |
| return MESA_FORMAT_INTENSITY_UINT32; |
| case PIPE_FORMAT_I8_SINT: |
| return MESA_FORMAT_INTENSITY_INT8; |
| case PIPE_FORMAT_I16_SINT: |
| return MESA_FORMAT_INTENSITY_INT16; |
| case PIPE_FORMAT_I32_SINT: |
| return MESA_FORMAT_INTENSITY_INT32; |
| |
| case PIPE_FORMAT_L8_UINT: |
| return MESA_FORMAT_LUMINANCE_UINT8; |
| case PIPE_FORMAT_L16_UINT: |
| return MESA_FORMAT_LUMINANCE_UINT16; |
| case PIPE_FORMAT_L32_UINT: |
| return MESA_FORMAT_LUMINANCE_UINT32; |
| case PIPE_FORMAT_L8_SINT: |
| return MESA_FORMAT_LUMINANCE_INT8; |
| case PIPE_FORMAT_L16_SINT: |
| return MESA_FORMAT_LUMINANCE_INT16; |
| case PIPE_FORMAT_L32_SINT: |
| return MESA_FORMAT_LUMINANCE_INT32; |
| |
| case PIPE_FORMAT_L8A8_UINT: |
| return MESA_FORMAT_LUMINANCE_ALPHA_UINT8; |
| case PIPE_FORMAT_L16A16_UINT: |
| return MESA_FORMAT_LUMINANCE_ALPHA_UINT16; |
| case PIPE_FORMAT_L32A32_UINT: |
| return MESA_FORMAT_LUMINANCE_ALPHA_UINT32; |
| case PIPE_FORMAT_L8A8_SINT: |
| return MESA_FORMAT_LUMINANCE_ALPHA_INT8; |
| case PIPE_FORMAT_L16A16_SINT: |
| return MESA_FORMAT_LUMINANCE_ALPHA_INT16; |
| case PIPE_FORMAT_L32A32_SINT: |
| return MESA_FORMAT_LUMINANCE_ALPHA_INT32; |
| |
| case PIPE_FORMAT_R8_SINT: |
| return MESA_FORMAT_R_INT8; |
| case PIPE_FORMAT_R8G8_SINT: |
| return MESA_FORMAT_RG_INT8; |
| case PIPE_FORMAT_R8G8B8_SINT: |
| return MESA_FORMAT_RGB_INT8; |
| case PIPE_FORMAT_R8G8B8A8_SINT: |
| return MESA_FORMAT_RGBA_INT8; |
| |
| case PIPE_FORMAT_R16_SINT: |
| return MESA_FORMAT_R_INT16; |
| case PIPE_FORMAT_R16G16_SINT: |
| return MESA_FORMAT_RG_INT16; |
| case PIPE_FORMAT_R16G16B16_SINT: |
| return MESA_FORMAT_RGB_INT16; |
| case PIPE_FORMAT_R16G16B16A16_SINT: |
| return MESA_FORMAT_RGBA_INT16; |
| |
| case PIPE_FORMAT_R32_SINT: |
| return MESA_FORMAT_R_INT32; |
| case PIPE_FORMAT_R32G32_SINT: |
| return MESA_FORMAT_RG_INT32; |
| case PIPE_FORMAT_R32G32B32_SINT: |
| return MESA_FORMAT_RGB_INT32; |
| case PIPE_FORMAT_R32G32B32A32_SINT: |
| return MESA_FORMAT_RGBA_INT32; |
| |
| /* unsigned int formats */ |
| case PIPE_FORMAT_R8_UINT: |
| return MESA_FORMAT_R_UINT8; |
| case PIPE_FORMAT_R8G8_UINT: |
| return MESA_FORMAT_RG_UINT8; |
| case PIPE_FORMAT_R8G8B8_UINT: |
| return MESA_FORMAT_RGB_UINT8; |
| case PIPE_FORMAT_R8G8B8A8_UINT: |
| return MESA_FORMAT_RGBA_UINT8; |
| |
| case PIPE_FORMAT_R16_UINT: |
| return MESA_FORMAT_R_UINT16; |
| case PIPE_FORMAT_R16G16_UINT: |
| return MESA_FORMAT_RG_UINT16; |
| case PIPE_FORMAT_R16G16B16_UINT: |
| return MESA_FORMAT_RGB_UINT16; |
| case PIPE_FORMAT_R16G16B16A16_UINT: |
| return MESA_FORMAT_RGBA_UINT16; |
| |
| case PIPE_FORMAT_R32_UINT: |
| return MESA_FORMAT_R_UINT32; |
| case PIPE_FORMAT_R32G32_UINT: |
| return MESA_FORMAT_RG_UINT32; |
| case PIPE_FORMAT_R32G32B32_UINT: |
| return MESA_FORMAT_RGB_UINT32; |
| case PIPE_FORMAT_R32G32B32A32_UINT: |
| return MESA_FORMAT_RGBA_UINT32; |
| |
| case PIPE_FORMAT_RGTC1_UNORM: |
| return MESA_FORMAT_RED_RGTC1; |
| case PIPE_FORMAT_RGTC1_SNORM: |
| return MESA_FORMAT_SIGNED_RED_RGTC1; |
| case PIPE_FORMAT_RGTC2_UNORM: |
| return MESA_FORMAT_RG_RGTC2; |
| case PIPE_FORMAT_RGTC2_SNORM: |
| return MESA_FORMAT_SIGNED_RG_RGTC2; |
| |
| case PIPE_FORMAT_LATC1_UNORM: |
| return MESA_FORMAT_L_LATC1; |
| case PIPE_FORMAT_LATC1_SNORM: |
| return MESA_FORMAT_SIGNED_L_LATC1; |
| case PIPE_FORMAT_LATC2_UNORM: |
| return MESA_FORMAT_LA_LATC2; |
| case PIPE_FORMAT_LATC2_SNORM: |
| return MESA_FORMAT_SIGNED_LA_LATC2; |
| |
| case PIPE_FORMAT_ETC1_RGB8: |
| return MESA_FORMAT_ETC1_RGB8; |
| |
| /* signed normalized formats */ |
| case PIPE_FORMAT_R8_SNORM: |
| return MESA_FORMAT_SIGNED_R8; |
| case PIPE_FORMAT_R8G8_SNORM: |
| return MESA_FORMAT_SIGNED_RG88_REV; |
| case PIPE_FORMAT_R8G8B8A8_SNORM: |
| return MESA_FORMAT_SIGNED_RGBA8888_REV; |
| |
| case PIPE_FORMAT_A8_SNORM: |
| return MESA_FORMAT_SIGNED_A8; |
| case PIPE_FORMAT_L8_SNORM: |
| return MESA_FORMAT_SIGNED_L8; |
| case PIPE_FORMAT_L8A8_SNORM: |
| return MESA_FORMAT_SIGNED_AL88; |
| case PIPE_FORMAT_I8_SNORM: |
| return MESA_FORMAT_SIGNED_I8; |
| |
| case PIPE_FORMAT_R16_SNORM: |
| return MESA_FORMAT_SIGNED_R16; |
| case PIPE_FORMAT_R16G16_SNORM: |
| return MESA_FORMAT_SIGNED_GR1616; |
| case PIPE_FORMAT_R16G16B16A16_SNORM: |
| return MESA_FORMAT_SIGNED_RGBA_16; |
| |
| case PIPE_FORMAT_A16_SNORM: |
| return MESA_FORMAT_SIGNED_A16; |
| case PIPE_FORMAT_L16_SNORM: |
| return MESA_FORMAT_SIGNED_L16; |
| case PIPE_FORMAT_L16A16_SNORM: |
| return MESA_FORMAT_SIGNED_AL1616; |
| case PIPE_FORMAT_I16_SNORM: |
| return MESA_FORMAT_SIGNED_I16; |
| |
| case PIPE_FORMAT_R9G9B9E5_FLOAT: |
| return MESA_FORMAT_RGB9_E5_FLOAT; |
| case PIPE_FORMAT_R11G11B10_FLOAT: |
| return MESA_FORMAT_R11_G11_B10_FLOAT; |
| |
| case PIPE_FORMAT_B10G10R10A2_UINT: |
| return MESA_FORMAT_ARGB2101010_UINT; |
| default: |
| assert(0); |
| return MESA_FORMAT_NONE; |
| } |
| } |
| |
| |
| /** |
| * Map GL texture formats to Gallium pipe formats. |
| */ |
| struct format_mapping |
| { |
| GLenum glFormats[18]; /**< list of GLenum formats, 0-terminated */ |
| enum pipe_format pipeFormats[10]; /**< list of pipe formats, 0-terminated */ |
| }; |
| |
| |
| #define DEFAULT_RGBA_FORMATS \ |
| PIPE_FORMAT_B8G8R8A8_UNORM, \ |
| PIPE_FORMAT_A8R8G8B8_UNORM, \ |
| PIPE_FORMAT_A8B8G8R8_UNORM, \ |
| PIPE_FORMAT_B5G6R5_UNORM, \ |
| 0 |
| |
| #define DEFAULT_RGB_FORMATS \ |
| PIPE_FORMAT_B8G8R8X8_UNORM, \ |
| PIPE_FORMAT_X8R8G8B8_UNORM, \ |
| PIPE_FORMAT_X8B8G8R8_UNORM, \ |
| PIPE_FORMAT_B8G8R8A8_UNORM, \ |
| PIPE_FORMAT_A8R8G8B8_UNORM, \ |
| PIPE_FORMAT_A8B8G8R8_UNORM, \ |
| PIPE_FORMAT_B5G6R5_UNORM, \ |
| 0 |
| |
| #define DEFAULT_SRGBA_FORMATS \ |
| PIPE_FORMAT_B8G8R8A8_SRGB, \ |
| PIPE_FORMAT_A8R8G8B8_SRGB, \ |
| PIPE_FORMAT_A8B8G8R8_SRGB, \ |
| 0 |
| |
| #define DEFAULT_DEPTH_FORMATS \ |
| PIPE_FORMAT_Z24X8_UNORM, \ |
| PIPE_FORMAT_X8Z24_UNORM, \ |
| PIPE_FORMAT_Z16_UNORM, \ |
| PIPE_FORMAT_Z24_UNORM_S8_UINT, \ |
| PIPE_FORMAT_S8_UINT_Z24_UNORM, \ |
| 0 |
| |
| #define DEFAULT_SNORM8_RGBA_FORMATS \ |
| PIPE_FORMAT_R8G8B8A8_SNORM, \ |
| 0 |
| |
| #define DEFAULT_UNORM16_RGBA_FORMATS \ |
| PIPE_FORMAT_R16G16B16A16_UNORM, \ |
| DEFAULT_RGBA_FORMATS |
| |
| |
| /** |
| * This table maps OpenGL texture format enums to Gallium pipe_format enums. |
| * Multiple GL enums might map to multiple pipe_formats. |
| * The first pipe format in the list that's supported is the one that's chosen. |
| */ |
| static const struct format_mapping format_map[] = { |
| /* Basic RGB, RGBA formats */ |
| { |
| { GL_RGB10, GL_RGB10_A2, 0 }, |
| { PIPE_FORMAT_B10G10R10A2_UNORM, DEFAULT_RGBA_FORMATS } |
| }, |
| { |
| { 4, GL_RGBA, GL_RGBA8, 0 }, |
| { PIPE_FORMAT_R8G8B8A8_UNORM, DEFAULT_RGBA_FORMATS } |
| }, |
| { |
| { GL_BGRA, 0 }, |
| { PIPE_FORMAT_B8G8R8A8_UNORM, DEFAULT_RGBA_FORMATS } |
| }, |
| { |
| { 3, GL_RGB, GL_RGB8, 0 }, |
| { DEFAULT_RGB_FORMATS } |
| }, |
| { |
| { GL_RGB12, GL_RGB16, GL_RGBA12, GL_RGBA16, 0 }, |
| { PIPE_FORMAT_R16G16B16A16_UNORM, DEFAULT_RGBA_FORMATS } |
| }, |
| { |
| { GL_RGBA4, GL_RGBA2, 0 }, |
| { PIPE_FORMAT_B4G4R4A4_UNORM, DEFAULT_RGBA_FORMATS } |
| }, |
| { |
| { GL_RGB5_A1, 0 }, |
| { PIPE_FORMAT_B5G5R5A1_UNORM, DEFAULT_RGBA_FORMATS } |
| }, |
| { |
| { GL_R3_G3_B2, 0 }, |
| { PIPE_FORMAT_B2G3R3_UNORM, PIPE_FORMAT_B5G6R5_UNORM, |
| PIPE_FORMAT_B5G5R5A1_UNORM, DEFAULT_RGBA_FORMATS } |
| }, |
| { |
| { GL_RGB5, GL_RGB4 }, |
| { PIPE_FORMAT_B5G6R5_UNORM, PIPE_FORMAT_B5G5R5A1_UNORM, |
| DEFAULT_RGBA_FORMATS } |
| }, |
| { |
| { GL_RGB565 }, |
| { PIPE_FORMAT_B5G6R5_UNORM, DEFAULT_RGBA_FORMATS } |
| }, |
| |
| /* basic Alpha formats */ |
| { |
| { GL_ALPHA12, GL_ALPHA16, 0 }, |
| { PIPE_FORMAT_A16_UNORM, PIPE_FORMAT_A8_UNORM, |
| DEFAULT_RGBA_FORMATS } |
| }, |
| { |
| { GL_ALPHA, GL_ALPHA4, GL_ALPHA8, GL_COMPRESSED_ALPHA, 0 }, |
| { PIPE_FORMAT_A8_UNORM, DEFAULT_RGBA_FORMATS } |
| }, |
| |
| /* basic Luminance formats */ |
| { |
| { GL_LUMINANCE12, GL_LUMINANCE16, 0 }, |
| { PIPE_FORMAT_L16_UNORM, PIPE_FORMAT_L8_UNORM, DEFAULT_RGB_FORMATS } |
| }, |
| { |
| { 1, GL_LUMINANCE, GL_LUMINANCE4, GL_LUMINANCE8, 0 }, |
| { PIPE_FORMAT_L8_UNORM, DEFAULT_RGB_FORMATS } |
| }, |
| |
| /* basic Luminance/Alpha formats */ |
| { |
| { GL_LUMINANCE12_ALPHA4, GL_LUMINANCE12_ALPHA12, |
| GL_LUMINANCE16_ALPHA16, 0}, |
| { PIPE_FORMAT_L16A16_UNORM, PIPE_FORMAT_L8A8_UNORM, |
| DEFAULT_RGBA_FORMATS } |
| }, |
| { |
| { 2, GL_LUMINANCE_ALPHA, GL_LUMINANCE6_ALPHA2, GL_LUMINANCE8_ALPHA8, 0 }, |
| { PIPE_FORMAT_L8A8_UNORM, DEFAULT_RGBA_FORMATS } |
| }, |
| { |
| { GL_LUMINANCE4_ALPHA4, 0 }, |
| { PIPE_FORMAT_L4A4_UNORM, PIPE_FORMAT_L8A8_UNORM, |
| DEFAULT_RGBA_FORMATS } |
| }, |
| |
| /* basic Intensity formats */ |
| { |
| { GL_INTENSITY12, GL_INTENSITY16, 0 }, |
| { PIPE_FORMAT_I16_UNORM, PIPE_FORMAT_I8_UNORM, DEFAULT_RGBA_FORMATS } |
| }, |
| { |
| { GL_INTENSITY, GL_INTENSITY4, GL_INTENSITY8, |
| GL_COMPRESSED_INTENSITY, 0 }, |
| { PIPE_FORMAT_I8_UNORM, DEFAULT_RGBA_FORMATS } |
| }, |
| |
| /* YCbCr */ |
| { |
| { GL_YCBCR_MESA, 0 }, |
| { PIPE_FORMAT_UYVY, PIPE_FORMAT_YUYV, 0 } |
| }, |
| |
| /* compressed formats */ /* XXX PIPE_BIND_SAMPLER_VIEW only */ |
| { |
| { GL_COMPRESSED_RGB, 0 }, |
| { PIPE_FORMAT_DXT1_RGB, DEFAULT_RGB_FORMATS } |
| }, |
| { |
| { GL_COMPRESSED_RGBA, 0 }, |
| { PIPE_FORMAT_DXT5_RGBA, DEFAULT_RGBA_FORMATS } |
| }, |
| { |
| { GL_RGB_S3TC, GL_RGB4_S3TC, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, 0 }, |
| { PIPE_FORMAT_DXT1_RGB, 0 } |
| }, |
| { |
| { GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, 0 }, |
| { PIPE_FORMAT_DXT1_RGBA, 0 } |
| }, |
| { |
| { GL_RGBA_S3TC, GL_RGBA4_S3TC, GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, 0 }, |
| { PIPE_FORMAT_DXT3_RGBA, 0 } |
| }, |
| { |
| { GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, 0 }, |
| { PIPE_FORMAT_DXT5_RGBA, 0 } |
| }, |
| |
| #if 0 |
| { |
| { GL_COMPRESSED_RGB_FXT1_3DFX, 0 }, |
| { PIPE_FORMAT_RGB_FXT1, 0 } |
| }, |
| { |
| { GL_COMPRESSED_RGBA_FXT1_3DFX, 0 }, |
| { PIPE_FORMAT_RGBA_FXT1, 0 } |
| }, |
| #endif |
| |
| /* Depth formats */ |
| { |
| { GL_DEPTH_COMPONENT16, 0 }, |
| { PIPE_FORMAT_Z16_UNORM, DEFAULT_DEPTH_FORMATS } |
| }, |
| { |
| { GL_DEPTH_COMPONENT24, 0 }, |
| { PIPE_FORMAT_Z24X8_UNORM, PIPE_FORMAT_X8Z24_UNORM, |
| DEFAULT_DEPTH_FORMATS } |
| }, |
| { |
| { GL_DEPTH_COMPONENT32, 0 }, |
| { PIPE_FORMAT_Z32_UNORM, DEFAULT_DEPTH_FORMATS } |
| }, |
| { |
| { GL_DEPTH_COMPONENT, 0 }, |
| { DEFAULT_DEPTH_FORMATS } |
| }, |
| { |
| { GL_DEPTH_COMPONENT32F, 0 }, |
| { PIPE_FORMAT_Z32_FLOAT, 0 } |
| }, |
| |
| /* stencil formats */ |
| { |
| { GL_STENCIL_INDEX, GL_STENCIL_INDEX1_EXT, GL_STENCIL_INDEX4_EXT, |
| GL_STENCIL_INDEX8_EXT, GL_STENCIL_INDEX16_EXT, 0 }, |
| { |
| PIPE_FORMAT_S8_UINT, PIPE_FORMAT_Z24_UNORM_S8_UINT, |
| PIPE_FORMAT_S8_UINT_Z24_UNORM, 0 |
| } |
| }, |
| |
| /* Depth / Stencil formats */ |
| { |
| { GL_DEPTH_STENCIL_EXT, GL_DEPTH24_STENCIL8_EXT, 0 }, |
| { PIPE_FORMAT_Z24_UNORM_S8_UINT, PIPE_FORMAT_S8_UINT_Z24_UNORM, 0 } |
| }, |
| { |
| { GL_DEPTH32F_STENCIL8, 0 }, |
| { PIPE_FORMAT_Z32_FLOAT_S8X24_UINT, 0 } |
| }, |
| |
| /* sRGB formats */ |
| { |
| { GL_SRGB_EXT, GL_SRGB8_EXT, GL_SRGB_ALPHA_EXT, GL_SRGB8_ALPHA8_EXT, 0 }, |
| { DEFAULT_SRGBA_FORMATS } |
| }, |
| { |
| { GL_COMPRESSED_SRGB_EXT, GL_COMPRESSED_SRGB_S3TC_DXT1_EXT, 0 }, |
| { PIPE_FORMAT_DXT1_SRGB, DEFAULT_SRGBA_FORMATS } |
| }, |
| { |
| { GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT, 0 }, |
| { PIPE_FORMAT_DXT1_SRGBA, 0 } |
| }, |
| { |
| { GL_COMPRESSED_SRGB_ALPHA_EXT, |
| GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT, 0 }, |
| { PIPE_FORMAT_DXT3_SRGBA, DEFAULT_SRGBA_FORMATS } |
| }, |
| { |
| { GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT, 0 }, |
| { PIPE_FORMAT_DXT5_SRGBA, 0 } |
| }, |
| { |
| { GL_SLUMINANCE_ALPHA_EXT, GL_SLUMINANCE8_ALPHA8_EXT, |
| GL_COMPRESSED_SLUMINANCE_EXT, GL_COMPRESSED_SLUMINANCE_ALPHA_EXT, 0 }, |
| { PIPE_FORMAT_L8A8_SRGB, DEFAULT_SRGBA_FORMATS } |
| }, |
| { |
| { GL_SLUMINANCE_EXT, GL_SLUMINANCE8_EXT, 0 }, |
| { PIPE_FORMAT_L8_SRGB, DEFAULT_SRGBA_FORMATS } |
| }, |
| |
| /* 16-bit float formats */ |
| { |
| { GL_RGBA16F_ARB, 0 }, |
| { PIPE_FORMAT_R16G16B16A16_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 } |
| }, |
| { |
| { GL_RGB16F_ARB, 0 }, |
| { PIPE_FORMAT_R16G16B16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, |
| PIPE_FORMAT_R32G32B32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 } |
| }, |
| { |
| { GL_LUMINANCE_ALPHA16F_ARB, 0 }, |
| { PIPE_FORMAT_L16A16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, |
| PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 } |
| }, |
| { |
| { GL_ALPHA16F_ARB, 0 }, |
| { PIPE_FORMAT_A16_FLOAT, PIPE_FORMAT_L16A16_FLOAT, |
| PIPE_FORMAT_A32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, |
| PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 } |
| }, |
| { |
| { GL_INTENSITY16F_ARB, 0 }, |
| { PIPE_FORMAT_I16_FLOAT, PIPE_FORMAT_L16A16_FLOAT, |
| PIPE_FORMAT_I32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, |
| PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 } |
| }, |
| { |
| { GL_LUMINANCE16F_ARB, 0 }, |
| { PIPE_FORMAT_L16_FLOAT, PIPE_FORMAT_L16A16_FLOAT, |
| PIPE_FORMAT_L32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, |
| PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 } |
| }, |
| { |
| { GL_R16F, 0 }, |
| { PIPE_FORMAT_R16_FLOAT, PIPE_FORMAT_R16G16_FLOAT, |
| PIPE_FORMAT_R32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, |
| PIPE_FORMAT_R32G32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 } |
| }, |
| { |
| { GL_RG16F, 0 }, |
| { PIPE_FORMAT_R16G16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, |
| PIPE_FORMAT_R32G32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 } |
| }, |
| |
| /* 32-bit float formats */ |
| { |
| { GL_RGBA32F_ARB, 0 }, |
| { PIPE_FORMAT_R32G32B32A32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 } |
| }, |
| { |
| { GL_RGB32F_ARB, 0 }, |
| { PIPE_FORMAT_R32G32B32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, |
| PIPE_FORMAT_R16G16B16A16_FLOAT, 0 } |
| }, |
| { |
| { GL_LUMINANCE_ALPHA32F_ARB, 0 }, |
| { PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, |
| PIPE_FORMAT_L16A16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 } |
| }, |
| { |
| { GL_ALPHA32F_ARB, 0 }, |
| { PIPE_FORMAT_A32_FLOAT, PIPE_FORMAT_L32A32_FLOAT, |
| PIPE_FORMAT_R32G32B32A32_FLOAT, PIPE_FORMAT_A16_FLOAT, |
| PIPE_FORMAT_L16A16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 } |
| }, |
| { |
| { GL_INTENSITY32F_ARB, 0 }, |
| { PIPE_FORMAT_I32_FLOAT, PIPE_FORMAT_L32A32_FLOAT, |
| PIPE_FORMAT_R32G32B32A32_FLOAT, PIPE_FORMAT_I16_FLOAT, |
| PIPE_FORMAT_L16A16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 } |
| }, |
| { |
| { GL_LUMINANCE32F_ARB, 0 }, |
| { PIPE_FORMAT_L32_FLOAT, PIPE_FORMAT_L32A32_FLOAT, |
| PIPE_FORMAT_R32G32B32A32_FLOAT, PIPE_FORMAT_L16_FLOAT, |
| PIPE_FORMAT_L16A16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 } |
| }, |
| { |
| { GL_R32F, 0 }, |
| { PIPE_FORMAT_R32_FLOAT, PIPE_FORMAT_R32G32_FLOAT, |
| PIPE_FORMAT_R32G32B32A32_FLOAT, PIPE_FORMAT_R16_FLOAT, |
| PIPE_FORMAT_R16G16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 } |
| }, |
| { |
| { GL_RG32F, 0 }, |
| { PIPE_FORMAT_R32G32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, |
| PIPE_FORMAT_R16G16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 } |
| }, |
| |
| /* R, RG formats */ |
| { |
| { GL_RED, GL_R8, 0 }, |
| { PIPE_FORMAT_R8_UNORM, PIPE_FORMAT_R8G8_UNORM, DEFAULT_RGBA_FORMATS } |
| }, |
| { |
| { GL_RG, GL_RG8, 0 }, |
| { PIPE_FORMAT_R8G8_UNORM, DEFAULT_RGBA_FORMATS } |
| }, |
| { |
| { GL_R16, 0 }, |
| { PIPE_FORMAT_R16_UNORM, PIPE_FORMAT_R16G16_UNORM, |
| DEFAULT_UNORM16_RGBA_FORMATS } |
| }, |
| { |
| { GL_RG16, 0 }, |
| { PIPE_FORMAT_R16G16_UNORM, DEFAULT_UNORM16_RGBA_FORMATS } |
| }, |
| |
| /* compressed R, RG formats */ |
| { |
| { GL_COMPRESSED_RED, GL_COMPRESSED_RED_RGTC1, 0 }, |
| { PIPE_FORMAT_RGTC1_UNORM, PIPE_FORMAT_R8_UNORM, DEFAULT_RGBA_FORMATS } |
| }, |
| { |
| { GL_COMPRESSED_SIGNED_RED_RGTC1, 0 }, |
| { PIPE_FORMAT_RGTC1_SNORM, DEFAULT_SNORM8_RGBA_FORMATS } |
| }, |
| { |
| { GL_COMPRESSED_RG, GL_COMPRESSED_RG_RGTC2, 0 }, |
| { PIPE_FORMAT_RGTC2_UNORM, PIPE_FORMAT_R8G8_UNORM, DEFAULT_RGBA_FORMATS } |
| }, |
| { |
| { GL_COMPRESSED_SIGNED_RG_RGTC2, 0 }, |
| { PIPE_FORMAT_RGTC2_SNORM, DEFAULT_SNORM8_RGBA_FORMATS } |
| }, |
| { |
| { GL_COMPRESSED_LUMINANCE, GL_COMPRESSED_LUMINANCE_LATC1_EXT, 0 }, |
| { PIPE_FORMAT_LATC1_UNORM, PIPE_FORMAT_L8_UNORM, DEFAULT_RGBA_FORMATS } |
| }, |
| { |
| { GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT, 0 }, |
| { PIPE_FORMAT_LATC1_SNORM, DEFAULT_SNORM8_RGBA_FORMATS } |
| }, |
| { |
| { GL_COMPRESSED_LUMINANCE_ALPHA, GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT, |
| GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI, 0 }, |
| { PIPE_FORMAT_LATC2_UNORM, PIPE_FORMAT_L8A8_UNORM, DEFAULT_RGBA_FORMATS } |
| }, |
| { |
| { GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT, 0 }, |
| { PIPE_FORMAT_LATC2_SNORM, DEFAULT_SNORM8_RGBA_FORMATS } |
| }, |
| |
| /* ETC1 */ |
| { |
| { GL_ETC1_RGB8_OES, 0 }, |
| { PIPE_FORMAT_ETC1_RGB8, 0 } |
| }, |
| |
| /* signed/unsigned integer formats. |
| */ |
| { |
| { GL_RED_INTEGER_EXT, |
| GL_GREEN_INTEGER_EXT, |
| GL_BLUE_INTEGER_EXT, |
| GL_RGBA_INTEGER_EXT, |
| GL_BGRA_INTEGER_EXT, |
| GL_RGBA8I_EXT, 0 }, |
| { PIPE_FORMAT_R8G8B8A8_SINT, 0 } |
| }, |
| { |
| { GL_RGB_INTEGER_EXT, |
| GL_BGR_INTEGER_EXT, |
| GL_RGB8I_EXT, 0 }, |
| { PIPE_FORMAT_R8G8B8_SINT, |
| PIPE_FORMAT_R8G8B8A8_SINT, 0 } |
| }, |
| { |
| { GL_ALPHA_INTEGER_EXT, |
| GL_ALPHA8I_EXT, 0 }, |
| { PIPE_FORMAT_A8_SINT, 0 } |
| }, |
| { |
| { GL_ALPHA16I_EXT, 0 }, |
| { PIPE_FORMAT_A16_SINT, 0 } |
| }, |
| { |
| { GL_ALPHA32I_EXT, 0 }, |
| { PIPE_FORMAT_A32_SINT, 0 } |
| }, |
| { |
| { GL_ALPHA8UI_EXT, 0 }, |
| { PIPE_FORMAT_A8_UINT, 0 } |
| }, |
| { |
| { GL_ALPHA16UI_EXT, 0 }, |
| { PIPE_FORMAT_A16_UINT, 0 } |
| }, |
| { |
| { GL_ALPHA32UI_EXT, 0 }, |
| { PIPE_FORMAT_A32_UINT, 0 } |
| }, |
| { |
| { GL_INTENSITY8I_EXT, 0 }, |
| { PIPE_FORMAT_I8_SINT, 0 } |
| }, |
| { |
| { GL_INTENSITY16I_EXT, 0 }, |
| { PIPE_FORMAT_I16_SINT, 0 } |
| }, |
| { |
| { GL_INTENSITY32I_EXT, 0 }, |
| { PIPE_FORMAT_I32_SINT, 0 } |
| }, |
| { |
| { GL_INTENSITY8UI_EXT, 0 }, |
| { PIPE_FORMAT_I8_UINT, 0 } |
| }, |
| { |
| { GL_INTENSITY16UI_EXT, 0 }, |
| { PIPE_FORMAT_I16_UINT, 0 } |
| }, |
| { |
| { GL_INTENSITY32UI_EXT, 0 }, |
| { PIPE_FORMAT_I32_UINT, 0 } |
| }, |
| { |
| { GL_LUMINANCE8I_EXT, 0 }, |
| { PIPE_FORMAT_L8_SINT, 0 } |
| }, |
| { |
| { GL_LUMINANCE16I_EXT, 0 }, |
| { PIPE_FORMAT_L16_SINT, 0 } |
| }, |
| { |
| { GL_LUMINANCE32I_EXT, 0 }, |
| { PIPE_FORMAT_L32_SINT, 0 } |
| }, |
| { |
| { GL_LUMINANCE_INTEGER_EXT, |
| GL_LUMINANCE8UI_EXT, 0 }, |
| { PIPE_FORMAT_L8_UINT, 0 } |
| }, |
| { |
| { GL_LUMINANCE16UI_EXT, 0 }, |
| { PIPE_FORMAT_L16_UINT, 0 } |
| }, |
| { |
| { GL_LUMINANCE32UI_EXT, 0 }, |
| { PIPE_FORMAT_L32_UINT, 0 } |
| }, |
| { |
| { GL_LUMINANCE_ALPHA_INTEGER_EXT, |
| GL_LUMINANCE_ALPHA8I_EXT, 0 }, |
| { PIPE_FORMAT_L8A8_SINT, 0 } |
| }, |
| { |
| { GL_LUMINANCE_ALPHA16I_EXT, 0 }, |
| { PIPE_FORMAT_L16A16_SINT, 0 } |
| }, |
| { |
| { GL_LUMINANCE_ALPHA32I_EXT, 0 }, |
| { PIPE_FORMAT_L32A32_SINT, 0 } |
| }, |
| { |
| { GL_LUMINANCE_ALPHA8UI_EXT, 0 }, |
| { PIPE_FORMAT_L8A8_UINT, 0 } |
| }, |
| { |
| { GL_LUMINANCE_ALPHA16UI_EXT, 0 }, |
| { PIPE_FORMAT_L16A16_UINT, 0 } |
| }, |
| { |
| { GL_LUMINANCE_ALPHA32UI_EXT, 0 }, |
| { PIPE_FORMAT_L32A32_UINT, 0 } |
| }, |
| { |
| { GL_RGB16I_EXT, 0 }, |
| { PIPE_FORMAT_R16G16B16_SINT, |
| PIPE_FORMAT_R16G16B16A16_SINT, 0 }, |
| }, |
| { |
| { GL_RGBA16I_EXT, 0 }, |
| { PIPE_FORMAT_R16G16B16A16_SINT, 0 }, |
| }, |
| { |
| { GL_RGB32I_EXT, 0 }, |
| { PIPE_FORMAT_R32G32B32_SINT, |
| PIPE_FORMAT_R32G32B32A32_SINT, 0 }, |
| }, |
| { |
| { GL_RGBA32I_EXT, 0 }, |
| { PIPE_FORMAT_R32G32B32A32_SINT, 0 } |
| }, |
| { |
| { GL_RGBA8UI_EXT, 0 }, |
| { PIPE_FORMAT_R8G8B8A8_UINT, 0 } |
| }, |
| { |
| { GL_RGB8UI_EXT, 0 }, |
| { PIPE_FORMAT_R8G8B8_UINT, |
| PIPE_FORMAT_R8G8B8A8_UINT, 0 } |
| }, |
| { |
| { GL_RGB16UI_EXT, 0 }, |
| { PIPE_FORMAT_R16G16B16_UINT, |
| PIPE_FORMAT_R16G16B16A16_UINT, 0 } |
| }, |
| { |
| { GL_RGBA16UI_EXT, 0 }, |
| { PIPE_FORMAT_R16G16B16A16_UINT, 0 } |
| }, |
| { |
| { GL_RGB32UI_EXT, 0}, |
| { PIPE_FORMAT_R32G32B32_UINT, |
| PIPE_FORMAT_R32G32B32A32_UINT, 0 } |
| }, |
| { |
| { GL_RGBA32UI_EXT, 0}, |
| { PIPE_FORMAT_R32G32B32A32_UINT, 0 } |
| }, |
| { |
| { GL_R8I, 0}, |
| { PIPE_FORMAT_R8_SINT, 0}, |
| }, |
| { |
| { GL_R16I, 0}, |
| { PIPE_FORMAT_R16_SINT, 0}, |
| }, |
| { |
| { GL_R32I, 0}, |
| { PIPE_FORMAT_R32_SINT, 0}, |
| }, |
| { |
| { GL_R8UI, 0}, |
| { PIPE_FORMAT_R8_UINT, 0}, |
| }, |
| { |
| { GL_R16UI, 0}, |
| { PIPE_FORMAT_R16_UINT, 0}, |
| }, |
| { |
| { GL_R32UI, 0}, |
| { PIPE_FORMAT_R32_UINT, 0}, |
| }, |
| { |
| { GL_RG8I, 0}, |
| { PIPE_FORMAT_R8G8_SINT, 0}, |
| }, |
| { |
| { GL_RG16I, 0}, |
| { PIPE_FORMAT_R16G16_SINT, 0}, |
| }, |
| { |
| { GL_RG32I, 0}, |
| { PIPE_FORMAT_R32G32_SINT, 0}, |
| }, |
| { |
| { GL_RG8UI, 0}, |
| { PIPE_FORMAT_R8G8_UINT, 0}, |
| }, |
| { |
| { GL_RG16UI, 0}, |
| { PIPE_FORMAT_R16G16_UINT, 0}, |
| }, |
| { |
| { GL_RG32UI, 0}, |
| { PIPE_FORMAT_R32G32_UINT, 0}, |
| }, |
| /* signed normalized formats */ |
| { |
| { GL_RED_SNORM, GL_R8_SNORM, 0 }, |
| { PIPE_FORMAT_R8_SNORM, PIPE_FORMAT_R8G8_SNORM, |
| PIPE_FORMAT_R8G8B8A8_SNORM, 0 } |
| }, |
| { |
| { GL_R16_SNORM, 0 }, |
| { PIPE_FORMAT_R16_SNORM, |
| PIPE_FORMAT_R16G16_SNORM, |
| PIPE_FORMAT_R16G16B16A16_SNORM, |
| PIPE_FORMAT_R8_SNORM, |
| PIPE_FORMAT_R8G8_SNORM, |
| PIPE_FORMAT_R8G8B8A8_SNORM, 0 } |
| }, |
| { |
| { GL_RG_SNORM, GL_RG8_SNORM, 0 }, |
| { PIPE_FORMAT_R8G8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 } |
| }, |
| { |
| { GL_RG16_SNORM, 0 }, |
| { PIPE_FORMAT_R16G16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM, |
| PIPE_FORMAT_R8G8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 } |
| }, |
| { |
| { GL_RGB_SNORM, GL_RGB8_SNORM, GL_RGBA_SNORM, GL_RGBA8_SNORM, 0 }, |
| { PIPE_FORMAT_R8G8B8A8_SNORM, 0 } |
| }, |
| { |
| { GL_RGB16_SNORM, GL_RGBA16_SNORM, 0 }, |
| { PIPE_FORMAT_R16G16B16A16_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 } |
| }, |
| { |
| { GL_ALPHA_SNORM, GL_ALPHA8_SNORM, 0 }, |
| { PIPE_FORMAT_A8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 } |
| }, |
| { |
| { GL_ALPHA16_SNORM, 0 }, |
| { PIPE_FORMAT_A16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM, |
| PIPE_FORMAT_A8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 } |
| }, |
| { |
| { GL_LUMINANCE_SNORM, GL_LUMINANCE8_SNORM, 0 }, |
| { PIPE_FORMAT_L8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 } |
| }, |
| { |
| { GL_LUMINANCE16_SNORM, 0 }, |
| { PIPE_FORMAT_L16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM, |
| PIPE_FORMAT_L8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 } |
| }, |
| { |
| { GL_LUMINANCE_ALPHA_SNORM, GL_LUMINANCE8_ALPHA8_SNORM, 0 }, |
| { PIPE_FORMAT_L8A8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 } |
| }, |
| { |
| { GL_LUMINANCE16_ALPHA16_SNORM, 0 }, |
| { PIPE_FORMAT_L16A16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM, |
| PIPE_FORMAT_L8A8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 } |
| }, |
| { |
| { GL_INTENSITY_SNORM, GL_INTENSITY8_SNORM, 0 }, |
| { PIPE_FORMAT_I8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 } |
| }, |
| { |
| { GL_INTENSITY16_SNORM, 0 }, |
| { PIPE_FORMAT_I16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM, |
| PIPE_FORMAT_I8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 } |
| }, |
| { |
| { GL_RGB9_E5, 0 }, |
| { PIPE_FORMAT_R9G9B9E5_FLOAT, 0 } |
| }, |
| { |
| { GL_R11F_G11F_B10F, 0 }, |
| { PIPE_FORMAT_R11G11B10_FLOAT, 0 } |
| }, |
| { |
| { GL_RGB10_A2UI, 0 }, |
| { PIPE_FORMAT_B10G10R10A2_UINT, 0 } |
| }, |
| }; |
| |
| |
| /** |
| * Return first supported format from the given list. |
| */ |
| static enum pipe_format |
| find_supported_format(struct pipe_screen *screen, |
| const enum pipe_format formats[], |
| enum pipe_texture_target target, |
| unsigned sample_count, |
| unsigned tex_usage) |
| { |
| uint i; |
| for (i = 0; formats[i]; i++) { |
| if (screen->is_format_supported(screen, formats[i], target, |
| sample_count, tex_usage)) { |
| return formats[i]; |
| } |
| } |
| return PIPE_FORMAT_NONE; |
| } |
| |
| struct exact_format_mapping |
| { |
| GLenum format; |
| GLenum type; |
| enum pipe_format pformat; |
| }; |
| |
| static const struct exact_format_mapping rgba8888_tbl[] = |
| { |
| { GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_A8B8G8R8_UNORM }, |
| { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_A8B8G8R8_UNORM }, |
| { GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_R8G8B8A8_UNORM }, |
| { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_R8G8B8A8_UNORM }, |
| { GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_A8R8G8B8_UNORM }, |
| { GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_B8G8R8A8_UNORM }, |
| { GL_RGBA, GL_UNSIGNED_BYTE, PIPE_FORMAT_R8G8B8A8_UNORM }, |
| { GL_ABGR_EXT, GL_UNSIGNED_BYTE, PIPE_FORMAT_A8B8G8R8_UNORM }, |
| { GL_BGRA, GL_UNSIGNED_BYTE, PIPE_FORMAT_B8G8R8A8_UNORM }, |
| { 0, 0, 0 } |
| }; |
| |
| static const struct exact_format_mapping rgbx8888_tbl[] = |
| { |
| { GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_X8R8G8B8_UNORM }, |
| { GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_B8G8R8X8_UNORM }, |
| { GL_BGRA, GL_UNSIGNED_BYTE, PIPE_FORMAT_B8G8R8X8_UNORM }, |
| /* No Mesa formats for these Gallium formats: |
| { GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_X8B8G8R8_UNORM }, |
| { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_X8B8G8R8_UNORM }, |
| { GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_R8G8B8X8_UNORM }, |
| { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_R8G8B8X8_UNORM }, |
| { GL_RGBA, GL_UNSIGNED_BYTE, PIPE_FORMAT_R8G8B8X8_UNORM }, |
| { GL_ABGR_EXT, GL_UNSIGNED_BYTE, PIPE_FORMAT_X8B8G8R8_UNORM }, |
| */ |
| { 0, 0, 0 } |
| }; |
| |
| static const struct exact_format_mapping rgba1010102_tbl[] = |
| { |
| { GL_BGRA, GL_UNSIGNED_INT_2_10_10_10_REV, PIPE_FORMAT_B10G10R10A2_UNORM }, |
| /* No Mesa formats for these Gallium formats: |
| { GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, PIPE_FORMAT_R10G10B10A2_UNORM }, |
| { GL_ABGR_EXT, GL_UNSIGNED_INT_10_10_10_2, PIPE_FORMAT_R10G10B10A2_UNORM }, |
| { GL_ABGR_EXT, GL_UNSIGNED_INT, PIPE_FORMAT_R10G10B10A2_UNORM }, |
| */ |
| { 0, 0, 0 } |
| }; |
| |
| /** |
| * If there is an exact pipe_format match for {internalFormat, format, type} |
| * return that, otherwise return PIPE_FORMAT_NONE so we can do fuzzy matching. |
| */ |
| static enum pipe_format |
| find_exact_format(GLint internalFormat, GLenum format, GLenum type) |
| { |
| uint i; |
| const struct exact_format_mapping* tbl; |
| |
| if (format == GL_NONE || type == GL_NONE) |
| return PIPE_FORMAT_NONE; |
| |
| switch (internalFormat) { |
| case 4: |
| case GL_RGBA: |
| case GL_RGBA8: |
| tbl = rgba8888_tbl; |
| break; |
| case 3: |
| case GL_RGB: |
| case GL_RGB8: |
| tbl = rgbx8888_tbl; |
| break; |
| case GL_RGB10_A2: |
| tbl = rgba1010102_tbl; |
| break; |
| default: |
| return PIPE_FORMAT_NONE; |
| } |
| |
| for (i = 0; tbl[i].format; i++) |
| if (tbl[i].format == format && tbl[i].type == type) |
| return tbl[i].pformat; |
| |
| 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. |
| * 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 bindings bitmask of PIPE_BIND_x flags. |
| */ |
| enum pipe_format |
| st_choose_format(struct pipe_screen *screen, GLenum internalFormat, |
| GLenum format, GLenum type, |
| enum pipe_texture_target target, unsigned sample_count, |
| unsigned bindings) |
| { |
| GET_CURRENT_CONTEXT(ctx); /* XXX this should be a function parameter */ |
| int i, j; |
| enum pipe_format pf; |
| |
| /* can't render to compressed formats at this time */ |
| if (_mesa_is_compressed_format(ctx, internalFormat) |
| && (bindings & ~PIPE_BIND_SAMPLER_VIEW)) { |
| return PIPE_FORMAT_NONE; |
| } |
| |
| /* search for exact matches */ |
| pf = find_exact_format(internalFormat, format, type); |
| if (pf != PIPE_FORMAT_NONE && |
| screen->is_format_supported(screen, pf, |
| target, sample_count, bindings)) |
| return pf; |
| |
| /* search table for internalFormat */ |
| for (i = 0; i < Elements(format_map); i++) { |
| const struct format_mapping *mapping = &format_map[i]; |
| for (j = 0; mapping->glFormats[j]; j++) { |
| if (mapping->glFormats[j] == internalFormat) { |
| /* Found the desired internal format. Find first pipe format |
| * which is supported by the driver. |
| */ |
| return find_supported_format(screen, mapping->pipeFormats, |
| target, sample_count, bindings); |
| } |
| } |
| } |
| |
| _mesa_problem(NULL, "unhandled format!\n"); |
| return PIPE_FORMAT_NONE; |
| } |
| |
| |
| /** |
| * 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, unsigned sample_count) |
| { |
| uint usage; |
| if (_mesa_is_depth_or_stencil_format(internalFormat)) |
| usage = PIPE_BIND_DEPTH_STENCIL; |
| else |
| usage = PIPE_BIND_RENDER_TARGET; |
| return st_choose_format(screen, internalFormat, GL_NONE, GL_NONE, PIPE_TEXTURE_2D, |
| sample_count, usage); |
| } |
| |
| |
| gl_format |
| st_ChooseTextureFormat_renderable(struct gl_context *ctx, GLint internalFormat, |
| GLenum format, GLenum type, GLboolean renderable) |
| { |
| struct pipe_screen *screen = st_context(ctx)->pipe->screen; |
| enum pipe_format pFormat; |
| uint bindings; |
| |
| (void) format; |
| (void) type; |
| |
| /* GL textures may wind up being render targets, but we don't know |
| * that in advance. Specify potential render target flags now. |
| */ |
| bindings = PIPE_BIND_SAMPLER_VIEW; |
| if (renderable) { |
| if (_mesa_is_depth_or_stencil_format(internalFormat)) |
| bindings |= PIPE_BIND_DEPTH_STENCIL; |
| else |
| bindings |= PIPE_BIND_RENDER_TARGET; |
| } |
| |
| pFormat = st_choose_format(screen, internalFormat, format, type, |
| 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, format, type, |
| PIPE_TEXTURE_2D, 0, PIPE_BIND_SAMPLER_VIEW); |
| } |
| |
| if (pFormat == PIPE_FORMAT_NONE) { |
| /* no luck at all */ |
| return MESA_FORMAT_NONE; |
| } |
| |
| return st_pipe_format_to_mesa_format(pFormat); |
| } |
| |
| |
| /** |
| * Called via ctx->Driver.ChooseTextureFormat(). |
| */ |
| gl_format |
| st_ChooseTextureFormat(struct gl_context *ctx, GLenum target, |
| GLint internalFormat, |
| GLenum format, GLenum type) |
| { |
| boolean want_renderable = |
| internalFormat == 3 || internalFormat == 4 || |
| internalFormat == GL_RGB || internalFormat == GL_RGBA || |
| internalFormat == GL_RGB8 || internalFormat == GL_RGBA8 || |
| internalFormat == GL_BGRA; |
| |
| if (target == GL_TEXTURE_1D || target == GL_TEXTURE_1D_ARRAY) { |
| /* We don't do compression for these texture targets because of |
| * difficulty with sub-texture updates on non-block boundaries, etc. |
| * So change the internal format request to an uncompressed format. |
| */ |
| internalFormat = |
| _mesa_generic_compressed_format_to_uncompressed_format(internalFormat); |
| } |
| |
| return st_ChooseTextureFormat_renderable(ctx, internalFormat, |
| format, type, want_renderable); |
| } |
| |
| |
| 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; |
| } |
| |
| |
| |
| /** |
| * This is used for translating texture border color and the clear |
| * color. For example, the clear color is interpreted according to |
| * the renderbuffer's base format. For example, if clearing a |
| * GL_LUMINANCE buffer, we'll return colorOut[0] = colorOut[1] = |
| * colorOut[2] = colorIn[0]. |
| * Similarly for texture border colors. |
| */ |
| void |
| st_translate_color(union gl_color_union *colorIn, |
| union pipe_color_union *colorOut, |
| GLenum baseFormat, GLboolean is_integer) |
| { |
| if (is_integer) { |
| int *in = colorIn->i; |
| int *out = colorOut->i; |
| |
| switch (baseFormat) { |
| case GL_RED: |
| out[0] = in[0]; |
| out[1] = 0; |
| out[2] = 0; |
| out[3] = 1; |
| break; |
| case GL_RG: |
| out[0] = in[0]; |
| out[1] = in[1]; |
| out[2] = 0; |
| out[3] = 1; |
| break; |
| case GL_RGB: |
| out[0] = in[0]; |
| out[1] = in[1]; |
| out[2] = in[2]; |
| out[3] = 1; |
| break; |
| case GL_ALPHA: |
| out[0] = out[1] = out[2] = 0; |
| out[3] = in[3]; |
| break; |
| case GL_LUMINANCE: |
| out[0] = out[1] = out[2] = in[0]; |
| out[3] = 1; |
| break; |
| case GL_LUMINANCE_ALPHA: |
| out[0] = out[1] = out[2] = in[0]; |
| out[3] = in[3]; |
| break; |
| case GL_INTENSITY: |
| out[0] = out[1] = out[2] = out[3] = in[0]; |
| break; |
| default: |
| COPY_4V(out, in); |
| } |
| } |
| else { |
| float *in = colorIn->f; |
| float *out = colorOut->f; |
| |
| switch (baseFormat) { |
| case GL_RED: |
| out[0] = in[0]; |
| out[1] = 0.0F; |
| out[2] = 0.0F; |
| out[3] = 1.0F; |
| break; |
| case GL_RG: |
| out[0] = in[0]; |
| out[1] = in[1]; |
| out[2] = 0.0F; |
| out[3] = 1.0F; |
| break; |
| case GL_RGB: |
| out[0] = in[0]; |
| out[1] = in[1]; |
| out[2] = in[2]; |
| out[3] = 1.0F; |
| break; |
| case GL_ALPHA: |
| out[0] = out[1] = out[2] = 0.0F; |
| out[3] = in[3]; |
| break; |
| case GL_LUMINANCE: |
| out[0] = out[1] = out[2] = in[0]; |
| out[3] = 1.0F; |
| break; |
| case GL_LUMINANCE_ALPHA: |
| out[0] = out[1] = out[2] = in[0]; |
| out[3] = in[3]; |
| break; |
| case GL_INTENSITY: |
| out[0] = out[1] = out[2] = out[3] = in[0]; |
| break; |
| default: |
| COPY_4V(out, in); |
| } |
| } |
| } |