/**************************************************************************
- *
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ *
+ * Copyright 2007 VMware, Inc.
* 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
* 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
+ * IN NO EVENT SHALL VMWARE 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.
- *
+ *
**************************************************************************/
* \author Brian Paul
*/
-#include "main/imports.h"
+
#include "main/context.h"
+#include "main/enums.h"
+#include "main/formats.h"
+#include "main/glformats.h"
+#include "main/texcompress.h"
+#include "main/texgetimage.h"
+#include "main/teximage.h"
#include "main/texstore.h"
#include "main/image.h"
#include "main/macros.h"
+#include "main/formatquery.h"
#include "pipe/p_context.h"
#include "pipe/p_defines.h"
#include "pipe/p_screen.h"
-#include "util/u_format.h"
+#include "util/format/u_format.h"
+#include "st_cb_texture.h"
#include "st_context.h"
#include "st_format.h"
-
-
-static GLuint
-format_max_bits(enum pipe_format format)
-{
- GLuint size = util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_RGB, 0);
-
- 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;
-}
+#include "st_texture.h"
/**
- * Return basic GL datatype for the given gallium format.
+ * Translate Mesa format to Gallium format.
*/
-GLenum
-st_format_datatype(enum pipe_format format)
+enum pipe_format
+st_mesa_format_to_pipe_format(const struct st_context *st,
+ mesa_format mesaFormat)
{
- const struct util_format_description *desc;
+ struct pipe_screen *screen = st->pipe->screen;
- desc = util_format_description(format);
- assert(desc);
+ /* The destination RGBA format mustn't be changed, because it's also
+ * a destination format of the unpack/decompression function.
+ */
+ if (mesaFormat == MESA_FORMAT_ETC1_RGB8 && !st->has_etc1)
+ return PIPE_FORMAT_R8G8B8A8_UNORM;
- 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_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(format);
- if (size == 8) {
- if (desc->channel[0].type == UTIL_FORMAT_TYPE_UNSIGNED)
- return GL_UNSIGNED_BYTE;
- else
- return GL_BYTE;
- }
- else if (size == 16) {
- if (desc->channel[0].type == UTIL_FORMAT_TYPE_UNSIGNED)
- return GL_UNSIGNED_SHORT;
- else
- return GL_SHORT;
- }
- else {
- assert( size <= 32 );
- if (desc->channel[0].type == UTIL_FORMAT_TYPE_UNSIGNED)
- return GL_UNSIGNED_INT;
- else
- return GL_INT;
- }
+ /* ETC2 formats are emulated as uncompressed ones.
+ * The destination formats mustn't be changed, because they are also
+ * destination formats of the unpack/decompression function.
+ */
+ if (_mesa_is_format_etc2(mesaFormat) && !st->has_etc2) {
+ bool has_bgra_srgb = screen->is_format_supported(screen,
+ PIPE_FORMAT_B8G8R8A8_SRGB,
+ PIPE_TEXTURE_2D, 0, 0,
+ PIPE_BIND_SAMPLER_VIEW);
+
+ switch (mesaFormat) {
+ case MESA_FORMAT_ETC2_RGB8:
+ return PIPE_FORMAT_R8G8B8A8_UNORM;
+ case MESA_FORMAT_ETC2_SRGB8:
+ return has_bgra_srgb ? PIPE_FORMAT_B8G8R8A8_SRGB : PIPE_FORMAT_R8G8B8A8_SRGB;
+ case MESA_FORMAT_ETC2_RGBA8_EAC:
+ return PIPE_FORMAT_R8G8B8A8_UNORM;
+ case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC:
+ return has_bgra_srgb ? PIPE_FORMAT_B8G8R8A8_SRGB : PIPE_FORMAT_R8G8B8A8_SRGB;
+ case MESA_FORMAT_ETC2_R11_EAC:
+ return PIPE_FORMAT_R16_UNORM;
+ case MESA_FORMAT_ETC2_RG11_EAC:
+ return PIPE_FORMAT_R16G16_UNORM;
+ case MESA_FORMAT_ETC2_SIGNED_R11_EAC:
+ return PIPE_FORMAT_R16_SNORM;
+ case MESA_FORMAT_ETC2_SIGNED_RG11_EAC:
+ return PIPE_FORMAT_R16G16_SNORM;
+ case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1:
+ return PIPE_FORMAT_R8G8B8A8_UNORM;
+ case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1:
+ return has_bgra_srgb ? PIPE_FORMAT_B8G8R8A8_SRGB : PIPE_FORMAT_R8G8B8A8_SRGB;
+ default:
+ unreachable("Unknown ETC2 format");
}
}
- 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 (st_astc_format_fallback(st, mesaFormat)) {
+ if (_mesa_is_format_srgb(mesaFormat))
+ return PIPE_FORMAT_R8G8B8A8_SRGB;
+ else
+ return PIPE_FORMAT_R8G8B8A8_UNORM;
}
- assert(0);
- return GL_NONE;
+ return mesaFormat;
}
/**
- * Translate Mesa format to Gallium format.
+ * Translate Gallium format to Mesa format.
*/
-enum pipe_format
-st_mesa_format_to_pipe_format(gl_format mesaFormat)
+mesa_format
+st_pipe_format_to_mesa_format(enum pipe_format format)
{
- 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_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_USCALED_Z24_UNORM;
- case MESA_FORMAT_S8_Z24:
- 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_S8:
- return PIPE_FORMAT_S8_USCALED;
- 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_R8:
- return PIPE_FORMAT_R8_UNORM;
- case MESA_FORMAT_R16:
- return PIPE_FORMAT_R16_UNORM;
- case MESA_FORMAT_RG88:
- 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_RGBA_INT8:
- return PIPE_FORMAT_R8G8B8A8_SSCALED;
- case MESA_FORMAT_RGBA_INT16:
- return PIPE_FORMAT_R16G16B16A16_SSCALED;
- case MESA_FORMAT_RGBA_INT32:
- return PIPE_FORMAT_R32G32B32A32_SSCALED;
-
- /* unsigned int formats */
- case MESA_FORMAT_RGBA_UINT8:
- return PIPE_FORMAT_R8G8B8A8_USCALED;
- case MESA_FORMAT_RGBA_UINT16:
- return PIPE_FORMAT_R16G16B16A16_USCALED;
- case MESA_FORMAT_RGBA_UINT32:
- return PIPE_FORMAT_R32G32B32A32_USCALED;
-
- default:
- assert(0);
- return PIPE_FORMAT_NONE;
- }
+ mesa_format mf = format;
+ if (!_mesa_get_format_name(mf))
+ return MESA_FORMAT_NONE;
+ return mf;
}
-
/**
- * Translate Gallium format to Mesa format.
+ * Map GL texture formats to Gallium pipe formats.
*/
-gl_format
-st_pipe_format_to_mesa_format(enum pipe_format format)
+struct format_mapping
{
- 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_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_USCALED:
- return MESA_FORMAT_S8;
-
- case PIPE_FORMAT_R16G16B16A16_UNORM:
- return MESA_FORMAT_RGBA_16;
- 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_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_Z24_UNORM_S8_USCALED:
- return MESA_FORMAT_S8_Z24;
-
- 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_R8_UNORM:
- return MESA_FORMAT_R8;
- case PIPE_FORMAT_R16_UNORM:
- return MESA_FORMAT_R16;
- case PIPE_FORMAT_R8G8_UNORM:
- return MESA_FORMAT_RG88;
- case PIPE_FORMAT_R16G16_UNORM:
- return MESA_FORMAT_RG1616;
-
- /* signed int formats */
- case PIPE_FORMAT_R8G8B8A8_SSCALED:
- return MESA_FORMAT_RGBA_INT8;
- case PIPE_FORMAT_R16G16B16A16_SSCALED:
- return MESA_FORMAT_RGBA_INT16;
- case PIPE_FORMAT_R32G32B32A32_SSCALED:
- return MESA_FORMAT_RGBA_INT32;
-
- /* unsigned int formats */
- case PIPE_FORMAT_R8G8B8A8_USCALED:
- return MESA_FORMAT_RGBA_UINT8;
- case PIPE_FORMAT_R16G16B16A16_USCALED:
- return MESA_FORMAT_RGBA_UINT16;
- case PIPE_FORMAT_R32G32B32A32_USCALED:
- return MESA_FORMAT_RGBA_UINT32;
+ GLenum glFormats[18]; /**< list of GLenum formats, 0-terminated */
+ enum pipe_format pipeFormats[14]; /**< list of pipe formats, 0-terminated */
+};
+
+
+#define DEFAULT_RGBA_FORMATS \
+ PIPE_FORMAT_R8G8B8A8_UNORM, \
+ PIPE_FORMAT_B8G8R8A8_UNORM, \
+ PIPE_FORMAT_A8R8G8B8_UNORM, \
+ PIPE_FORMAT_A8B8G8R8_UNORM, \
+ 0
+
+#define DEFAULT_RGB_FORMATS \
+ PIPE_FORMAT_R8G8B8X8_UNORM, \
+ PIPE_FORMAT_B8G8R8X8_UNORM, \
+ PIPE_FORMAT_X8R8G8B8_UNORM, \
+ PIPE_FORMAT_X8B8G8R8_UNORM, \
+ PIPE_FORMAT_B5G6R5_UNORM, \
+ DEFAULT_RGBA_FORMATS
+
+#define DEFAULT_SRGBA_FORMATS \
+ PIPE_FORMAT_R8G8B8A8_SRGB, \
+ 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
- default:
- assert(0);
- return MESA_FORMAT_NONE;
- }
-}
+
+/**
+ * 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, 0 },
+ { PIPE_FORMAT_R10G10B10X2_UNORM, PIPE_FORMAT_B10G10R10X2_UNORM,
+ PIPE_FORMAT_R10G10B10A2_UNORM, PIPE_FORMAT_B10G10R10A2_UNORM,
+ DEFAULT_RGB_FORMATS }
+ },
+ {
+ { GL_RGB10_A2, 0 },
+ { PIPE_FORMAT_R10G10B10A2_UNORM, PIPE_FORMAT_B10G10R10A2_UNORM,
+ DEFAULT_RGBA_FORMATS }
+ },
+ {
+ { 4, GL_RGBA, GL_RGBA8, 0 },
+ { PIPE_FORMAT_R8G8B8A8_UNORM, DEFAULT_RGBA_FORMATS }
+ },
+ {
+ { GL_BGRA, 0 },
+ { DEFAULT_RGBA_FORMATS }
+ },
+ {
+ { 3, GL_RGB, GL_RGB8, 0 },
+ { PIPE_FORMAT_R8G8B8X8_UNORM, DEFAULT_RGB_FORMATS }
+ },
+ {
+ { GL_RGB12, GL_RGB16, 0 },
+ { PIPE_FORMAT_R16G16B16X16_UNORM, PIPE_FORMAT_R16G16B16A16_UNORM,
+ DEFAULT_RGB_FORMATS }
+ },
+ {
+ { GL_RGBA12, GL_RGBA16, 0 },
+ { PIPE_FORMAT_R16G16B16A16_UNORM, DEFAULT_RGBA_FORMATS }
+ },
+ {
+ { GL_RGBA4, GL_RGBA2, 0 },
+ { PIPE_FORMAT_B4G4R4A4_UNORM, PIPE_FORMAT_A4B4G4R4_UNORM,
+ DEFAULT_RGBA_FORMATS }
+ },
+ {
+ { GL_RGB5_A1, 0 },
+ { PIPE_FORMAT_B5G5R5A1_UNORM, PIPE_FORMAT_A1B5G5R5_UNORM,
+ DEFAULT_RGBA_FORMATS }
+ },
+ {
+ { GL_R3_G3_B2, 0 },
+ { PIPE_FORMAT_B2G3R3_UNORM, PIPE_FORMAT_R3G3B2_UNORM,
+ PIPE_FORMAT_B5G6R5_UNORM, PIPE_FORMAT_B5G5R5A1_UNORM,
+ DEFAULT_RGB_FORMATS }
+ },
+ {
+ { GL_RGB4 },
+ { PIPE_FORMAT_B4G4R4X4_UNORM, PIPE_FORMAT_B4G4R4A4_UNORM,
+ PIPE_FORMAT_A4B4G4R4_UNORM,
+ DEFAULT_RGB_FORMATS }
+ },
+ {
+ { GL_RGB5 },
+ { PIPE_FORMAT_B5G5R5X1_UNORM, PIPE_FORMAT_X1B5G5R5_UNORM,
+ PIPE_FORMAT_B5G5R5A1_UNORM, PIPE_FORMAT_A1B5G5R5_UNORM,
+ DEFAULT_RGB_FORMATS }
+ },
+ {
+ { GL_RGB565 },
+ { PIPE_FORMAT_B5G6R5_UNORM, DEFAULT_RGB_FORMATS }
+ },
+
+ /* basic Alpha formats */
+ {
+ { GL_ALPHA12, GL_ALPHA16, 0 },
+ { PIPE_FORMAT_A16_UNORM, PIPE_FORMAT_R16G16B16A16_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_R16G16B16A16_UNORM,
+ PIPE_FORMAT_L8_UNORM, DEFAULT_RGB_FORMATS }
+ },
+ {
+ { 1, GL_LUMINANCE, GL_LUMINANCE4, GL_LUMINANCE8, 0 },
+ { PIPE_FORMAT_L8_UNORM, PIPE_FORMAT_L8A8_UNORM, DEFAULT_RGB_FORMATS }
+ },
+
+ /* basic Luminance/Alpha formats */
+ {
+ { GL_LUMINANCE12_ALPHA4, GL_LUMINANCE12_ALPHA12,
+ GL_LUMINANCE16_ALPHA16, 0},
+ { PIPE_FORMAT_L16A16_UNORM, PIPE_FORMAT_R16G16B16A16_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_R16G16B16A16_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 }
+ },
+
+ {
+ { GL_COMPRESSED_RGB_FXT1_3DFX, 0 },
+ { PIPE_FORMAT_FXT1_RGB, 0 }
+ },
+ {
+ { GL_COMPRESSED_RGBA_FXT1_3DFX, 0 },
+ { PIPE_FORMAT_FXT1_RGBA, 0 }
+ },
+
+ /* 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, 0 },
+ { PIPE_FORMAT_R8G8B8X8_SRGB, PIPE_FORMAT_B8G8R8X8_SRGB,
+ DEFAULT_SRGBA_FORMATS }
+ },
+ {
+ { GL_SRGB_ALPHA_EXT, GL_SRGB8_ALPHA8_EXT, 0 },
+ { PIPE_FORMAT_R8G8B8A8_SRGB, DEFAULT_SRGBA_FORMATS }
+ },
+ {
+ { GL_COMPRESSED_SRGB_EXT, GL_COMPRESSED_SRGB_S3TC_DXT1_EXT, 0 },
+ { PIPE_FORMAT_DXT1_SRGB, PIPE_FORMAT_R8G8B8X8_SRGB,
+ PIPE_FORMAT_B8G8R8X8_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_ALPHA_EXT, 0 },
+ { PIPE_FORMAT_L8A8_SRGB, DEFAULT_SRGBA_FORMATS }
+ },
+ {
+ { GL_SLUMINANCE_EXT, GL_SLUMINANCE8_EXT, GL_COMPRESSED_SLUMINANCE_EXT,
+ 0 },
+ { PIPE_FORMAT_L8_SRGB, DEFAULT_SRGBA_FORMATS }
+ },
+ {
+ { GL_SR8_EXT, 0 },
+ { PIPE_FORMAT_R8_SRGB, 0 }
+ },
+
+ /* 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_R16G16B16X16_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, 0 }
+ },
+ {
+ { GL_RGB32F_ARB, 0 },
+ { PIPE_FORMAT_R32G32B32_FLOAT, PIPE_FORMAT_R32G32B32X32_FLOAT,
+ PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
+ },
+ {
+ { GL_LUMINANCE_ALPHA32F_ARB, 0 },
+ { PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
+ },
+ {
+ { GL_ALPHA32F_ARB, 0 },
+ { PIPE_FORMAT_A32_FLOAT, PIPE_FORMAT_L32A32_FLOAT,
+ PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
+ },
+ {
+ { GL_INTENSITY32F_ARB, 0 },
+ { PIPE_FORMAT_I32_FLOAT, PIPE_FORMAT_L32A32_FLOAT,
+ PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
+ },
+ {
+ { GL_LUMINANCE32F_ARB, 0 },
+ { PIPE_FORMAT_L32_FLOAT, PIPE_FORMAT_L32A32_FLOAT,
+ PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
+ },
+ {
+ { GL_R32F, 0 },
+ { PIPE_FORMAT_R32_FLOAT, PIPE_FORMAT_R32G32_FLOAT,
+ PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
+ },
+ {
+ { GL_RG32F, 0 },
+ { PIPE_FORMAT_R32G32_FLOAT, PIPE_FORMAT_R32G32B32A32_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 }
+ },
+
+ /* ETC2 */
+ {
+ { GL_COMPRESSED_RGB8_ETC2, 0 },
+ { PIPE_FORMAT_ETC2_RGB8, 0 }
+ },
+ {
+ { GL_COMPRESSED_SRGB8_ETC2, 0 },
+ { PIPE_FORMAT_ETC2_SRGB8, 0 }
+ },
+ {
+ { GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2, 0 },
+ { PIPE_FORMAT_ETC2_RGB8A1, 0 }
+ },
+ {
+ { GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2, 0 },
+ { PIPE_FORMAT_ETC2_SRGB8A1, 0 }
+ },
+ {
+ { GL_COMPRESSED_RGBA8_ETC2_EAC, 0 },
+ { PIPE_FORMAT_ETC2_RGBA8, 0 }
+ },
+ {
+ { GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, 0 },
+ { PIPE_FORMAT_ETC2_SRGBA8, 0 }
+ },
+ {
+ { GL_COMPRESSED_R11_EAC, 0 },
+ { PIPE_FORMAT_ETC2_R11_UNORM, 0 }
+ },
+ {
+ { GL_COMPRESSED_SIGNED_R11_EAC, 0 },
+ { PIPE_FORMAT_ETC2_R11_SNORM, 0 }
+ },
+ {
+ { GL_COMPRESSED_RG11_EAC, 0 },
+ { PIPE_FORMAT_ETC2_RG11_UNORM, 0 }
+ },
+ {
+ { GL_COMPRESSED_SIGNED_RG11_EAC, 0 },
+ { PIPE_FORMAT_ETC2_RG11_SNORM, 0 }
+ },
+
+ /* BPTC */
+ {
+ { GL_COMPRESSED_RGBA_BPTC_UNORM, 0 },
+ { PIPE_FORMAT_BPTC_RGBA_UNORM, 0 },
+ },
+ {
+ { GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM, 0 },
+ { PIPE_FORMAT_BPTC_SRGBA, 0 },
+ },
+ {
+ { GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT, 0 },
+ { PIPE_FORMAT_BPTC_RGB_FLOAT, 0 },
+ },
+ {
+ { GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT, 0 },
+ { PIPE_FORMAT_BPTC_RGB_UFLOAT, 0 },
+ },
+
+ /* ASTC */
+ {
+ { GL_COMPRESSED_RGBA_ASTC_4x4_KHR, 0 },
+ { PIPE_FORMAT_ASTC_4x4, 0},
+ },
+ {
+ { GL_COMPRESSED_RGBA_ASTC_5x4_KHR, 0 },
+ { PIPE_FORMAT_ASTC_5x4, 0},
+ },
+ {
+ { GL_COMPRESSED_RGBA_ASTC_5x5_KHR, 0 },
+ { PIPE_FORMAT_ASTC_5x5, 0},
+ },
+ {
+ { GL_COMPRESSED_RGBA_ASTC_6x5_KHR, 0 },
+ { PIPE_FORMAT_ASTC_6x5, 0},
+ },
+ {
+ { GL_COMPRESSED_RGBA_ASTC_6x6_KHR, 0 },
+ { PIPE_FORMAT_ASTC_6x6, 0},
+ },
+ {
+ { GL_COMPRESSED_RGBA_ASTC_8x5_KHR, 0 },
+ { PIPE_FORMAT_ASTC_8x5, 0},
+ },
+ {
+ { GL_COMPRESSED_RGBA_ASTC_8x6_KHR, 0 },
+ { PIPE_FORMAT_ASTC_8x6, 0},
+ },
+ {
+ { GL_COMPRESSED_RGBA_ASTC_8x8_KHR, 0 },
+ { PIPE_FORMAT_ASTC_8x8, 0},
+ },
+ {
+ { GL_COMPRESSED_RGBA_ASTC_10x5_KHR, 0 },
+ { PIPE_FORMAT_ASTC_10x5, 0},
+ },
+ {
+ { GL_COMPRESSED_RGBA_ASTC_10x6_KHR, 0 },
+ { PIPE_FORMAT_ASTC_10x6, 0},
+ },
+ {
+ { GL_COMPRESSED_RGBA_ASTC_10x8_KHR, 0 },
+ { PIPE_FORMAT_ASTC_10x8, 0},
+ },
+ {
+ { GL_COMPRESSED_RGBA_ASTC_10x10_KHR, 0 },
+ { PIPE_FORMAT_ASTC_10x10, 0},
+ },
+ {
+ { GL_COMPRESSED_RGBA_ASTC_12x10_KHR, 0 },
+ { PIPE_FORMAT_ASTC_12x10, 0},
+ },
+ {
+ { GL_COMPRESSED_RGBA_ASTC_12x12_KHR, 0 },
+ { PIPE_FORMAT_ASTC_12x12, 0},
+ },
+
+ {
+ { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR, 0 },
+ { PIPE_FORMAT_ASTC_4x4_SRGB, 0},
+ },
+ {
+ { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR, 0 },
+ { PIPE_FORMAT_ASTC_5x4_SRGB, 0},
+ },
+ {
+ { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR, 0 },
+ { PIPE_FORMAT_ASTC_5x5_SRGB, 0},
+ },
+ {
+ { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR, 0 },
+ { PIPE_FORMAT_ASTC_6x5_SRGB, 0},
+ },
+ {
+ { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR, 0 },
+ { PIPE_FORMAT_ASTC_6x6_SRGB, 0},
+ },
+ {
+ { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR, 0 },
+ { PIPE_FORMAT_ASTC_8x5_SRGB, 0},
+ },
+ {
+ { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR, 0 },
+ { PIPE_FORMAT_ASTC_8x6_SRGB, 0},
+ },
+ {
+ { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR, 0 },
+ { PIPE_FORMAT_ASTC_8x8_SRGB, 0},
+ },
+ {
+ { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR, 0 },
+ { PIPE_FORMAT_ASTC_10x5_SRGB, 0},
+ },
+ {
+ { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR, 0 },
+ { PIPE_FORMAT_ASTC_10x6_SRGB, 0},
+ },
+ {
+ { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR, 0 },
+ { PIPE_FORMAT_ASTC_10x8_SRGB, 0},
+ },
+ {
+ { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR, 0 },
+ { PIPE_FORMAT_ASTC_10x10_SRGB, 0},
+ },
+ {
+ { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR, 0 },
+ { PIPE_FORMAT_ASTC_12x10_SRGB, 0},
+ },
+ {
+ { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR, 0 },
+ { PIPE_FORMAT_ASTC_12x12_SRGB, 0},
+ },
+
+ /* signed/unsigned integer formats.
+ */
+ {
+ { 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,
+ GL_BLUE_INTEGER_EXT, 0 },
+ { PIPE_FORMAT_R8G8B8_SINT, PIPE_FORMAT_R8G8B8X8_SINT,
+ PIPE_FORMAT_R8G8B8A8_SINT, 0 }
+ },
+ {
+ { GL_ALPHA_INTEGER_EXT,
+ GL_ALPHA8I_EXT, 0 },
+ { PIPE_FORMAT_A8_SINT, PIPE_FORMAT_R8G8B8A8_SINT, 0 }
+ },
+ {
+ { GL_ALPHA16I_EXT, 0 },
+ { PIPE_FORMAT_A16_SINT, PIPE_FORMAT_R16G16B16A16_SINT, 0 }
+ },
+ {
+ { GL_ALPHA32I_EXT, 0 },
+ { PIPE_FORMAT_A32_SINT, PIPE_FORMAT_R32G32B32A32_SINT, 0 }
+ },
+ {
+ { GL_ALPHA8UI_EXT, 0 },
+ { PIPE_FORMAT_A8_UINT, PIPE_FORMAT_R8G8B8A8_UINT, 0 }
+ },
+ {
+ { GL_ALPHA16UI_EXT, 0 },
+ { PIPE_FORMAT_A16_UINT, PIPE_FORMAT_R16G16B16A16_UINT, 0 }
+ },
+ {
+ { GL_ALPHA32UI_EXT, 0 },
+ { PIPE_FORMAT_A32_UINT, PIPE_FORMAT_R32G32B32A32_UINT, 0 }
+ },
+ {
+ { GL_INTENSITY8I_EXT, 0 },
+ { PIPE_FORMAT_I8_SINT, PIPE_FORMAT_R8G8B8A8_SINT, 0 }
+ },
+ {
+ { GL_INTENSITY16I_EXT, 0 },
+ { PIPE_FORMAT_I16_SINT, PIPE_FORMAT_R16G16B16A16_SINT, 0 }
+ },
+ {
+ { GL_INTENSITY32I_EXT, 0 },
+ { PIPE_FORMAT_I32_SINT, PIPE_FORMAT_R32G32B32A32_SINT, 0 }
+ },
+ {
+ { GL_INTENSITY8UI_EXT, 0 },
+ { PIPE_FORMAT_I8_UINT, PIPE_FORMAT_R8G8B8A8_UINT, 0 }
+ },
+ {
+ { GL_INTENSITY16UI_EXT, 0 },
+ { PIPE_FORMAT_I16_UINT, PIPE_FORMAT_R16G16B16A16_UINT, 0 }
+ },
+ {
+ { GL_INTENSITY32UI_EXT, 0 },
+ { PIPE_FORMAT_I32_UINT, PIPE_FORMAT_R32G32B32A32_UINT, 0 }
+ },
+ {
+ { GL_LUMINANCE8I_EXT, 0 },
+ { PIPE_FORMAT_L8_SINT, PIPE_FORMAT_R8G8B8A8_SINT, 0 }
+ },
+ {
+ { GL_LUMINANCE16I_EXT, 0 },
+ { PIPE_FORMAT_L16_SINT, PIPE_FORMAT_R16G16B16A16_SINT, 0 }
+ },
+ {
+ { GL_LUMINANCE32I_EXT, 0 },
+ { PIPE_FORMAT_L32_SINT, PIPE_FORMAT_R32G32B32A32_SINT, 0 }
+ },
+ {
+ { GL_LUMINANCE_INTEGER_EXT,
+ GL_LUMINANCE8UI_EXT, 0 },
+ { PIPE_FORMAT_L8_UINT, PIPE_FORMAT_R8G8B8A8_UINT, 0 }
+ },
+ {
+ { GL_LUMINANCE16UI_EXT, 0 },
+ { PIPE_FORMAT_L16_UINT, PIPE_FORMAT_R16G16B16A16_UINT, 0 }
+ },
+ {
+ { GL_LUMINANCE32UI_EXT, 0 },
+ { PIPE_FORMAT_L32_UINT, PIPE_FORMAT_R32G32B32A32_UINT, 0 }
+ },
+ {
+ { GL_LUMINANCE_ALPHA_INTEGER_EXT,
+ GL_LUMINANCE_ALPHA8I_EXT, 0 },
+ { PIPE_FORMAT_L8A8_SINT, PIPE_FORMAT_R8G8B8A8_SINT, 0 }
+ },
+ {
+ { GL_LUMINANCE_ALPHA16I_EXT, 0 },
+ { PIPE_FORMAT_L16A16_SINT, PIPE_FORMAT_R16G16B16A16_SINT, 0 }
+ },
+ {
+ { GL_LUMINANCE_ALPHA32I_EXT, 0 },
+ { PIPE_FORMAT_L32A32_SINT, PIPE_FORMAT_R32G32B32A32_SINT, 0 }
+ },
+ {
+ { GL_LUMINANCE_ALPHA8UI_EXT, 0 },
+ { PIPE_FORMAT_L8A8_UINT, PIPE_FORMAT_R8G8B8A8_UINT, 0 }
+ },
+ {
+ { GL_LUMINANCE_ALPHA16UI_EXT, 0 },
+ { PIPE_FORMAT_L16A16_UINT, PIPE_FORMAT_R16G16B16A16_UINT, 0 }
+ },
+ {
+ { GL_LUMINANCE_ALPHA32UI_EXT, 0 },
+ { PIPE_FORMAT_L32A32_UINT, PIPE_FORMAT_R32G32B32A32_UINT, 0 }
+ },
+ {
+ { GL_RGB16I_EXT, 0 },
+ { PIPE_FORMAT_R16G16B16_SINT, PIPE_FORMAT_R16G16B16X16_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_R32G32B32X32_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_R8G8B8X8_UINT,
+ PIPE_FORMAT_R8G8B8A8_UINT, 0 }
+ },
+ {
+ { GL_RGB16UI_EXT, 0 },
+ { PIPE_FORMAT_R16G16B16_UINT, PIPE_FORMAT_R16G16B16X16_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_R32G32B32X32_UINT,
+ PIPE_FORMAT_R32G32B32A32_UINT, 0 }
+ },
+ {
+ { GL_RGBA32UI_EXT, 0},
+ { PIPE_FORMAT_R32G32B32A32_UINT, 0 }
+ },
+ {
+ { GL_R8I, GL_RED_INTEGER_EXT, 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, GL_GREEN_INTEGER_EXT, 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, 0 },
+ { PIPE_FORMAT_R8G8B8X8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
+ },
+ {
+ { GL_RGBA_SNORM, GL_RGBA8_SNORM, 0 },
+ { PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
+ },
+ {
+ { GL_RGB16_SNORM, 0 },
+ { PIPE_FORMAT_R16G16B16X16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
+ PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
+ },
+ {
+ { 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_R10G10B10A2_UINT, PIPE_FORMAT_B10G10R10A2_UINT, 0 }
+ },
+};
/**
* Return first supported format from the given list.
+ * \param allow_dxt indicates whether it's OK to return a DXT format.
*/
static enum pipe_format
-find_supported_format(struct pipe_screen *screen,
+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)
+ unsigned storage_sample_count,
+ unsigned bindings,
+ boolean allow_dxt)
{
uint i;
- for (i = 0; i < num_formats; i++) {
+ for (i = 0; formats[i]; i++) {
if (screen->is_format_supported(screen, formats[i], target,
- sample_count, tex_usage, geom_flags)) {
+ sample_count, storage_sample_count,
+ bindings)) {
+ if (!allow_dxt && util_format_is_s3tc(formats[i])) {
+ /* we can't return a dxt format, continue searching */
+ continue;
+ }
+
return formats[i];
}
}
return PIPE_FORMAT_NONE;
}
-
-/**
- * Find an RGBA format supported by the context/winsys.
- */
-static enum pipe_format
-default_rgba_format(struct pipe_screen *screen,
- enum pipe_texture_target target,
- unsigned sample_count,
- unsigned tex_usage,
- unsigned geom_flags)
-{
- static const enum pipe_format colorFormats[] = {
- PIPE_FORMAT_B8G8R8A8_UNORM,
- PIPE_FORMAT_A8R8G8B8_UNORM,
- PIPE_FORMAT_A8B8G8R8_UNORM,
- PIPE_FORMAT_B5G6R5_UNORM
- };
- 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 sample_count,
- unsigned tex_usage,
- unsigned geom_flags)
-{
- static const enum pipe_format colorFormats[] = {
- 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
- };
- return find_supported_format(screen, colorFormats, Elements(colorFormats),
- target, sample_count, tex_usage, geom_flags);
-}
-
-/**
- * Find an sRGBA format supported by the context/winsys.
- */
-static enum pipe_format
-default_srgba_format(struct pipe_screen *screen,
- enum pipe_texture_target target,
- unsigned sample_count,
- unsigned tex_usage,
- unsigned geom_flags)
-{
- static const enum pipe_format colorFormats[] = {
- PIPE_FORMAT_B8G8R8A8_SRGB,
- PIPE_FORMAT_A8R8G8B8_SRGB,
- PIPE_FORMAT_A8B8G8R8_SRGB,
- };
- 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.
* \param internalFormat the user value passed to glTexImage2D
* \param target one of PIPE_TEXTURE_x
* \param bindings bitmask of PIPE_BIND_x flags.
+ * \param allow_dxt indicates whether it's OK to return a DXT format. This
+ * only matters when internalFormat names a generic or
+ * specific compressed format. And that should only happen
+ * when we're getting called from gl[Copy]TexImage().
*/
enum pipe_format
-st_choose_format(struct pipe_screen *screen, GLenum internalFormat,
+st_choose_format(struct st_context *st, GLenum internalFormat,
+ GLenum format, GLenum type,
enum pipe_texture_target target, unsigned sample_count,
- unsigned bindings)
+ unsigned storage_sample_count,
+ unsigned bindings, bool swap_bytes, bool allow_dxt)
{
- unsigned geom_flags = 0; /* we don't care about POT vs. NPOT here, yet */
-
- switch (internalFormat) {
- case GL_RGB10:
- case GL_RGB10_A2:
- if (screen->is_format_supported( screen, PIPE_FORMAT_B10G10R10A2_UNORM,
- target, sample_count, bindings,
- geom_flags ))
- return PIPE_FORMAT_B10G10R10A2_UNORM;
- /* Pass through. */
- case 4:
- case GL_RGBA:
- case GL_RGBA8:
- return default_rgba_format( screen, target, sample_count, bindings,
- geom_flags );
-
- case 3:
- case GL_RGB:
- case GL_RGB8:
- return default_rgb_format( screen, target, sample_count, bindings,
- geom_flags );
-
- case GL_RGB12:
- case GL_RGB16:
- case GL_RGBA12:
- case GL_RGBA16:
- if (screen->is_format_supported( screen, PIPE_FORMAT_R16G16B16A16_UNORM,
- target, sample_count, bindings,
- geom_flags ))
- return PIPE_FORMAT_R16G16B16A16_UNORM;
- 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_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_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_R3_G3_B2:
- if (screen->is_format_supported( screen, PIPE_FORMAT_B2G3R3_UNORM,
- target, sample_count, bindings,
- geom_flags ))
- return PIPE_FORMAT_B2G3R3_UNORM;
- /* Pass through. */
- case GL_RGB5:
- case GL_RGB4:
- 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_ALPHA12:
- case GL_ALPHA16:
- if (screen->is_format_supported( screen, PIPE_FORMAT_A16_UNORM, target,
- sample_count, bindings, geom_flags ))
- return PIPE_FORMAT_A16_UNORM;
- /* Pass through. */
- case GL_ALPHA:
- case GL_ALPHA4:
- case GL_ALPHA8:
- case GL_COMPRESSED_ALPHA:
- 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, sample_count, bindings,
- geom_flags );
-
- case GL_LUMINANCE12:
- case GL_LUMINANCE16:
- if (screen->is_format_supported( screen, PIPE_FORMAT_L16_UNORM, target,
- sample_count, bindings, geom_flags ))
- return PIPE_FORMAT_L16_UNORM;
- /* Pass through. */
- case 1:
- case GL_LUMINANCE:
- case GL_LUMINANCE4:
- case GL_LUMINANCE8:
- case GL_COMPRESSED_LUMINANCE:
- 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, sample_count, bindings,
- geom_flags );
-
- case GL_LUMINANCE12_ALPHA4:
- case GL_LUMINANCE12_ALPHA12:
- case GL_LUMINANCE16_ALPHA16:
- if (screen->is_format_supported( screen, PIPE_FORMAT_L16A16_UNORM, target,
- sample_count, bindings, geom_flags ))
- return PIPE_FORMAT_L16A16_UNORM;
- /* Pass through. */
- case 2:
- case GL_LUMINANCE_ALPHA:
- case GL_LUMINANCE6_ALPHA2:
- case GL_LUMINANCE8_ALPHA8:
- case GL_COMPRESSED_LUMINANCE_ALPHA:
- 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_LUMINANCE4_ALPHA4:
- if (screen->is_format_supported( screen, PIPE_FORMAT_L4A4_UNORM, target,
- sample_count, bindings, geom_flags ))
- return PIPE_FORMAT_L4A4_UNORM;
- 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_INTENSITY12:
- case GL_INTENSITY16:
- if (screen->is_format_supported( screen, PIPE_FORMAT_I16_UNORM, target,
- sample_count, bindings, geom_flags ))
- return PIPE_FORMAT_I16_UNORM;
- /* Pass through. */
- case GL_INTENSITY:
- case GL_INTENSITY4:
- case GL_INTENSITY8:
- case GL_COMPRESSED_INTENSITY:
- 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, sample_count, bindings,
- geom_flags );
-
- case GL_YCBCR_MESA:
- 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_YUYV, target,
- sample_count, bindings, geom_flags)) {
- return PIPE_FORMAT_YUYV;
- }
+ struct pipe_screen *screen = st->pipe->screen;
+ unsigned i;
+ int j;
+ enum pipe_format pf;
+
+ /* can't render to compressed formats at this time */
+ if (_mesa_is_compressed_format(st->ctx, internalFormat)
+ && (bindings & ~PIPE_BIND_SAMPLER_VIEW)) {
return PIPE_FORMAT_NONE;
+ }
- case GL_COMPRESSED_RED:
- case GL_COMPRESSED_RG:
- 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:
- 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:
- 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:
- 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:
- 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:
- return PIPE_FORMAT_RGB_FXT1;
- case GL_COMPRESSED_RGBA_FXT1_3DFX:
- return PIPE_FORMAT_RGB_FXT1;
-#endif
-
- case GL_DEPTH_COMPONENT16:
- 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_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,
- sample_count, bindings, geom_flags))
- return PIPE_FORMAT_Z32_UNORM;
- /* fall-through */
- case GL_DEPTH_COMPONENT:
- {
- static const enum pipe_format formats[] = {
- PIPE_FORMAT_Z32_UNORM,
- PIPE_FORMAT_Z24_UNORM_S8_USCALED,
- PIPE_FORMAT_S8_USCALED_Z24_UNORM,
- PIPE_FORMAT_Z16_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:
- {
- 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:
- {
- 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);
+ /* If we have an unsized internalFormat, and the driver supports a format
+ * that exactly matches format/type such that we can just memcpy, pick that
+ * (unless the format wouldn't still be unorm, which is the expectation for
+ * unsized formats).
+ */
+ if (_mesa_is_enum_format_unsized(internalFormat) && format != 0 &&
+ _mesa_is_type_unsigned(type)) {
+ pf = st_choose_matching_format(st, bindings, format, type,
+ swap_bytes);
+
+ if (pf != PIPE_FORMAT_NONE &&
+ screen->is_format_supported(screen, pf, target, sample_count,
+ storage_sample_count, bindings) &&
+ _mesa_get_format_base_format(st_pipe_format_to_mesa_format(pf)) ==
+ internalFormat) {
+ goto success;
}
+ }
- case GL_SRGB_EXT:
- case GL_SRGB8_EXT:
- case GL_SRGB_ALPHA_EXT:
- case GL_SRGB8_ALPHA8_EXT:
- return default_srgba_format( screen, target, sample_count, bindings,
- geom_flags );
-
- case GL_COMPRESSED_SRGB_EXT:
- case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
- if (screen->is_format_supported(screen, PIPE_FORMAT_DXT1_SRGB, target,
- sample_count, bindings, geom_flags))
- return PIPE_FORMAT_DXT1_SRGB;
- return default_srgba_format( screen, target, sample_count, bindings,
- geom_flags );
-
- case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
- return PIPE_FORMAT_DXT1_SRGBA;
-
- case GL_COMPRESSED_SRGB_ALPHA_EXT:
- case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
- if (screen->is_format_supported(screen, PIPE_FORMAT_DXT3_SRGBA, target,
- sample_count, bindings, geom_flags))
- return PIPE_FORMAT_DXT3_SRGBA;
- return default_srgba_format( screen, target, sample_count, bindings,
- geom_flags );
-
- case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
- return PIPE_FORMAT_DXT5_SRGBA;
-
- case GL_SLUMINANCE_ALPHA_EXT:
- case GL_SLUMINANCE8_ALPHA8_EXT:
- case GL_COMPRESSED_SLUMINANCE_EXT:
- case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT:
- if (screen->is_format_supported(screen, PIPE_FORMAT_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,
- sample_count, bindings, geom_flags))
- return PIPE_FORMAT_L8_SRGB;
- return default_srgba_format( screen, target, sample_count, bindings,
- geom_flags );
-
- case GL_RED:
- case GL_R8:
- if (screen->is_format_supported(screen, PIPE_FORMAT_R8_UNORM, target,
- sample_count, bindings, geom_flags))
- return PIPE_FORMAT_R8_UNORM;
- return PIPE_FORMAT_NONE;
- case GL_RG:
- case GL_RG8:
- if (screen->is_format_supported(screen, PIPE_FORMAT_R8G8_UNORM, target,
- sample_count, bindings, geom_flags))
- return PIPE_FORMAT_R8G8_UNORM;
- return PIPE_FORMAT_NONE;
-
- case GL_R16:
- if (screen->is_format_supported(screen, PIPE_FORMAT_R16_UNORM, target,
- sample_count, bindings, geom_flags))
- return PIPE_FORMAT_R16_UNORM;
- return PIPE_FORMAT_NONE;
-
- case GL_RG16:
- if (screen->is_format_supported(screen, PIPE_FORMAT_R16G16_UNORM, target,
- sample_count, bindings, geom_flags))
- return PIPE_FORMAT_R16G16_UNORM;
- return PIPE_FORMAT_NONE;
-
- case GL_COMPRESSED_RED_RGTC1:
- if (screen->is_format_supported(screen, PIPE_FORMAT_RGTC1_UNORM, target,
- sample_count, bindings, geom_flags))
- return PIPE_FORMAT_RGTC1_UNORM;
- return PIPE_FORMAT_NONE;
-
- case GL_COMPRESSED_SIGNED_RED_RGTC1:
- if (screen->is_format_supported(screen, PIPE_FORMAT_RGTC1_SNORM, target,
- sample_count, bindings, geom_flags))
- return PIPE_FORMAT_RGTC1_SNORM;
- return PIPE_FORMAT_NONE;
-
- case GL_COMPRESSED_RG_RGTC2:
- if (screen->is_format_supported(screen, PIPE_FORMAT_RGTC2_UNORM, target,
- sample_count, bindings, geom_flags))
- return PIPE_FORMAT_RGTC2_UNORM;
- return PIPE_FORMAT_NONE;
-
- case GL_COMPRESSED_SIGNED_RG_RGTC2:
- if (screen->is_format_supported(screen, PIPE_FORMAT_RGTC2_SNORM, target,
- sample_count, bindings, geom_flags))
- return PIPE_FORMAT_RGTC2_SNORM;
- return PIPE_FORMAT_NONE;
-
- /* signed/unsigned integer formats.
- * XXX Mesa only has formats for RGBA signed/unsigned integer formats.
- * If/when new formats are added this code should be updated.
+ /* For an unsized GL_RGB but a 2_10_10_10 type, try to pick one of the
+ * 2_10_10_10 formats. This is important for
+ * GL_EXT_texture_type_2_10_10_10_EXT support, which says that these
+ * formats are not color-renderable. Mesa's check for making those
+ * non-color-renderable is based on our chosen format being 2101010.
*/
- case GL_RED_INTEGER_EXT:
- case GL_GREEN_INTEGER_EXT:
- case GL_BLUE_INTEGER_EXT:
- case GL_ALPHA_INTEGER_EXT:
- case GL_RGB_INTEGER_EXT:
- case GL_RGBA_INTEGER_EXT:
- case GL_BGR_INTEGER_EXT:
- case GL_BGRA_INTEGER_EXT:
- case GL_LUMINANCE_INTEGER_EXT:
- case GL_LUMINANCE_ALPHA_INTEGER_EXT:
- /* fall-through */
- case GL_RGBA8I_EXT:
- case GL_RGB8I_EXT:
- case GL_ALPHA8I_EXT:
- case GL_INTENSITY8I_EXT:
- case GL_LUMINANCE8I_EXT:
- case GL_LUMINANCE_ALPHA8I_EXT:
- if (screen->is_format_supported(screen, PIPE_FORMAT_R8G8B8A8_SSCALED,
- target,
- sample_count, bindings, geom_flags))
- return PIPE_FORMAT_R8G8B8A8_SSCALED;
- return PIPE_FORMAT_NONE;
- case GL_RGBA16I_EXT:
- case GL_RGB16I_EXT:
- case GL_ALPHA16I_EXT:
- case GL_INTENSITY16I_EXT:
- case GL_LUMINANCE16I_EXT:
- case GL_LUMINANCE_ALPHA16I_EXT:
- if (screen->is_format_supported(screen, PIPE_FORMAT_R16G16B16A16_SSCALED,
- target,
- sample_count, bindings, geom_flags))
- return PIPE_FORMAT_R16G16B16A16_SSCALED;
- return PIPE_FORMAT_NONE;
- case GL_RGBA32I_EXT:
- case GL_RGB32I_EXT:
- case GL_ALPHA32I_EXT:
- case GL_INTENSITY32I_EXT:
- case GL_LUMINANCE32I_EXT:
- case GL_LUMINANCE_ALPHA32I_EXT:
- /* xxx */
- if (screen->is_format_supported(screen, PIPE_FORMAT_R32G32B32A32_SSCALED,
- target,
- sample_count, bindings, geom_flags))
- return PIPE_FORMAT_R32G32B32A32_SSCALED;
- return PIPE_FORMAT_NONE;
+ if (type == GL_UNSIGNED_INT_2_10_10_10_REV) {
+ if (internalFormat == GL_RGB)
+ internalFormat = GL_RGB10;
+ else if (internalFormat == GL_RGBA)
+ internalFormat = GL_RGB10_A2;
+ }
- case GL_RGBA8UI_EXT:
- case GL_RGB8UI_EXT:
- case GL_ALPHA8UI_EXT:
- case GL_INTENSITY8UI_EXT:
- case GL_LUMINANCE8UI_EXT:
- case GL_LUMINANCE_ALPHA8UI_EXT:
- if (screen->is_format_supported(screen, PIPE_FORMAT_R8G8B8A8_USCALED,
- target,
- sample_count, bindings, geom_flags))
- return PIPE_FORMAT_R8G8B8A8_USCALED;
- return PIPE_FORMAT_NONE;
+ if (type == GL_UNSIGNED_SHORT_5_5_5_1) {
+ if (internalFormat == GL_RGB)
+ internalFormat = GL_RGB5;
+ else if (internalFormat == GL_RGBA)
+ internalFormat = GL_RGB5_A1;
+ }
- case GL_RGBA16UI_EXT:
- case GL_RGB16UI_EXT:
- case GL_ALPHA16UI_EXT:
- case GL_INTENSITY16UI_EXT:
- case GL_LUMINANCE16UI_EXT:
- case GL_LUMINANCE_ALPHA16UI_EXT:
- if (screen->is_format_supported(screen, PIPE_FORMAT_R16G16B16A16_USCALED,
- target,
- sample_count, bindings, geom_flags))
- return PIPE_FORMAT_R16G16B16A16_USCALED;
- return PIPE_FORMAT_NONE;
+ /* search table for internalFormat */
+ for (i = 0; i < ARRAY_SIZE(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.
+ */
+ pf = find_supported_format(screen, mapping->pipeFormats,
+ target, sample_count,
+ storage_sample_count, bindings,
+ allow_dxt);
+ goto success;
+ }
+ }
+ }
- case GL_RGBA32UI_EXT:
- case GL_RGB32UI_EXT:
- case GL_ALPHA32UI_EXT:
- case GL_INTENSITY32UI_EXT:
- case GL_LUMINANCE32UI_EXT:
- case GL_LUMINANCE_ALPHA32UI_EXT:
- if (screen->is_format_supported(screen, PIPE_FORMAT_R32G32B32A32_USCALED,
- target,
- sample_count, bindings, geom_flags))
- return PIPE_FORMAT_R32G32B32A32_USCALED;
- return PIPE_FORMAT_NONE;
+ _mesa_problem(NULL, "unhandled format!\n");
+ return PIPE_FORMAT_NONE;
- default:
- return PIPE_FORMAT_NONE;
+success:
+ if (0) {
+ debug_printf("%s(fmt=%s, type=%s, intFmt=%s) = %s\n",
+ __FUNCTION__,
+ _mesa_enum_to_string(format),
+ _mesa_enum_to_string(type),
+ _mesa_enum_to_string(internalFormat),
+ util_format_name(pf));
}
+ return pf;
}
* 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)
+st_choose_renderbuffer_format(struct st_context *st,
+ GLenum internalFormat, unsigned sample_count,
+ unsigned storage_sample_count)
{
- uint usage;
+ unsigned bindings;
if (_mesa_is_depth_or_stencil_format(internalFormat))
- usage = PIPE_BIND_DEPTH_STENCIL;
+ bindings = PIPE_BIND_DEPTH_STENCIL;
else
- usage = PIPE_BIND_RENDER_TARGET;
- return st_choose_format(screen, internalFormat, PIPE_TEXTURE_2D,
- sample_count, usage);
+ bindings = PIPE_BIND_RENDER_TARGET;
+ return st_choose_format(st, internalFormat, GL_NONE, GL_NONE,
+ PIPE_TEXTURE_2D, sample_count,
+ storage_sample_count, bindings,
+ false, false);
}
/**
- * Called via ctx->Driver.chooseTextureFormat().
+ * Given an OpenGL user-requested format and type, and swapBytes state,
+ * return the format which exactly matches those parameters, so that
+ * a memcpy-based transfer can be done.
+ *
+ * If no format is supported, return PIPE_FORMAT_NONE.
*/
-gl_format
-st_ChooseTextureFormat_renderable(struct gl_context *ctx, GLint internalFormat,
- GLenum format, GLenum type, GLboolean renderable)
+enum pipe_format
+st_choose_matching_format(struct st_context *st, unsigned bind,
+ GLenum format, GLenum type, GLboolean swapBytes)
+{
+ struct pipe_screen *screen = st->pipe->screen;
+
+ if (swapBytes && !_mesa_swap_bytes_in_type_enum(&type))
+ return PIPE_FORMAT_NONE;
+
+ mesa_format mesa_format = _mesa_format_from_format_and_type(format, type);
+ if (_mesa_format_is_mesa_array_format(mesa_format))
+ mesa_format = _mesa_format_from_array_format(mesa_format);
+ if (mesa_format != MESA_FORMAT_NONE) {
+ enum pipe_format format = st_mesa_format_to_pipe_format(st, mesa_format);
+ if (format != PIPE_FORMAT_NONE &&
+ screen->is_format_supported(screen, format, PIPE_TEXTURE_2D, 0, 0, bind))
+ return format;
+ }
+
+ return PIPE_FORMAT_NONE;
+}
+
+
+/**
+ * Called via ctx->Driver.ChooseTextureFormat().
+ */
+mesa_format
+st_ChooseTextureFormat(struct gl_context *ctx, GLenum target,
+ GLint internalFormat,
+ GLenum format, GLenum type)
{
- struct pipe_screen *screen = st_context(ctx)->pipe->screen;
+ struct st_context *st = st_context(ctx);
enum pipe_format pFormat;
- uint bindings;
+ mesa_format mFormat;
+ unsigned bindings;
+ bool is_renderbuffer = false;
+ enum pipe_texture_target pTarget;
+
+ if (target == GL_RENDERBUFFER) {
+ pTarget = PIPE_TEXTURE_2D;
+ is_renderbuffer = true;
+ } else {
+ pTarget = gl_target_to_pipe(target);
+ }
- (void) format;
- (void) type;
+ 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);
+ }
/* GL textures may wind up being render targets, but we don't know
- * that in advance. Specify potential render target flags now.
+ * that in advance. Specify potential render target flags now for formats
+ * that we know should always be renderable.
*/
bindings = PIPE_BIND_SAMPLER_VIEW;
- if (renderable == GL_TRUE) {
- if (_mesa_is_depth_format(internalFormat) ||
- _mesa_is_depth_or_stencil_format(internalFormat))
- bindings |= PIPE_BIND_DEPTH_STENCIL;
- else
- bindings |= PIPE_BIND_RENDER_TARGET;
+ if (_mesa_is_depth_or_stencil_format(internalFormat))
+ bindings |= PIPE_BIND_DEPTH_STENCIL;
+ else if (is_renderbuffer || internalFormat == 3 || internalFormat == 4 ||
+ internalFormat == GL_RGB || internalFormat == GL_RGBA ||
+ internalFormat == GL_RGBA2 ||
+ internalFormat == GL_RGB4 || internalFormat == GL_RGBA4 ||
+ internalFormat == GL_RGB8 || internalFormat == GL_RGBA8 ||
+ internalFormat == GL_BGRA ||
+ internalFormat == GL_RGB16F ||
+ internalFormat == GL_RGBA16F ||
+ internalFormat == GL_RGB32F ||
+ internalFormat == GL_RGBA32F)
+ bindings |= PIPE_BIND_RENDER_TARGET;
+
+ /* GLES allows the driver to choose any format which matches
+ * the format+type combo, because GLES only supports unsized internal
+ * formats and expects the driver to choose whatever suits it.
+ */
+ if (_mesa_is_gles(ctx)) {
+ GLenum baseFormat = _mesa_base_tex_format(ctx, internalFormat);
+ GLenum basePackFormat = _mesa_base_pack_format(format);
+ GLenum iformat = internalFormat;
+
+ /* Treat GL_BGRA as GL_RGBA. */
+ if (iformat == GL_BGRA)
+ iformat = GL_RGBA;
+
+ /* Check if the internalformat is unsized and compatible
+ * with the "format".
+ */
+ if (iformat == baseFormat && iformat == basePackFormat) {
+ pFormat = st_choose_matching_format(st, bindings, format, type,
+ ctx->Unpack.SwapBytes);
+
+ if (pFormat != PIPE_FORMAT_NONE)
+ return st_pipe_format_to_mesa_format(pFormat);
+
+ if (!is_renderbuffer) {
+ /* try choosing format again, this time without render
+ * target bindings.
+ */
+ pFormat = st_choose_matching_format(st, PIPE_BIND_SAMPLER_VIEW,
+ format, type,
+ ctx->Unpack.SwapBytes);
+ if (pFormat != PIPE_FORMAT_NONE)
+ return st_pipe_format_to_mesa_format(pFormat);
+ }
+ }
}
- pFormat = st_choose_format(screen, internalFormat,
- PIPE_TEXTURE_2D, 0, bindings);
+ pFormat = st_choose_format(st, internalFormat, format, type,
+ pTarget, 0, 0, bindings,
+ ctx->Unpack.SwapBytes, true);
- if (pFormat == PIPE_FORMAT_NONE) {
+ if (pFormat == PIPE_FORMAT_NONE && !is_renderbuffer) {
/* try choosing format again, this time without render target bindings */
- pFormat = st_choose_format(screen, internalFormat,
- PIPE_TEXTURE_2D, 0, PIPE_BIND_SAMPLER_VIEW);
+ pFormat = st_choose_format(st, internalFormat, format, type,
+ pTarget, 0, 0, PIPE_BIND_SAMPLER_VIEW,
+ ctx->Unpack.SwapBytes, true);
}
if (pFormat == PIPE_FORMAT_NONE) {
+ mFormat = _mesa_glenum_to_compressed_format(internalFormat);
+ if (st_compressed_format_fallback(st, mFormat))
+ return mFormat;
+
/* no luck at all */
return MESA_FORMAT_NONE;
}
- return st_pipe_format_to_mesa_format(pFormat);
-}
-
-gl_format
-st_ChooseTextureFormat(struct gl_context *ctx, 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;
+ mFormat = st_pipe_format_to_mesa_format(pFormat);
+
+ /* Debugging aid */
+ if (0) {
+ debug_printf("%s(intFormat=%s, format=%s, type=%s) -> %s, %s\n",
+ __func__,
+ _mesa_enum_to_string(internalFormat),
+ _mesa_enum_to_string(format),
+ _mesa_enum_to_string(type),
+ util_format_name(pFormat),
+ _mesa_get_format_name(mFormat));
+ }
- return st_ChooseTextureFormat_renderable(ctx, internalFormat,
- format, type, want_renderable);
+ return mFormat;
}
+
/**
- * Test if a gallium format is equivalent to a GL format/type.
+ * Called via ctx->Driver.QueryInternalFormat().
*/
-GLboolean
-st_equal_formats(enum pipe_format pFormat, GLenum format, GLenum type)
+static size_t
+st_QuerySamplesForFormat(struct gl_context *ctx, GLenum target,
+ GLenum internalFormat, int samples[16])
{
- switch (pFormat) {
- case PIPE_FORMAT_A8B8G8R8_UNORM:
- return format == GL_RGBA && type == GL_UNSIGNED_BYTE;
- case PIPE_FORMAT_A8R8G8B8_UNORM:
- return format == GL_BGRA && type == GL_UNSIGNED_BYTE;
- case PIPE_FORMAT_B5G6R5_UNORM:
- return format == GL_RGB && type == GL_UNSIGNED_SHORT_5_6_5;
- /* XXX more combos... */
- default:
- return GL_FALSE;
+ struct st_context *st = st_context(ctx);
+ enum pipe_format format;
+ unsigned i, bind, num_sample_counts = 0;
+
+ (void) target;
+
+ if (_mesa_is_depth_or_stencil_format(internalFormat))
+ bind = PIPE_BIND_DEPTH_STENCIL;
+ else
+ bind = PIPE_BIND_RENDER_TARGET;
+
+ /* If an sRGB framebuffer is unsupported, sRGB formats behave like linear
+ * formats.
+ */
+ if (!ctx->Extensions.EXT_sRGB) {
+ internalFormat = _mesa_get_linear_internalformat(internalFormat);
}
-}
-GLboolean
-st_sampler_compat_formats(enum pipe_format format1, enum pipe_format format2)
-{
- if (format1 == format2)
- return GL_TRUE;
+ /* Set sample counts in descending order. */
+ for (i = 16; i > 1; i--) {
+ format = st_choose_format(st, internalFormat, GL_NONE, GL_NONE,
+ PIPE_TEXTURE_2D, i, i, bind,
+ false, false);
- if (format1 == PIPE_FORMAT_B8G8R8A8_UNORM &&
- format2 == PIPE_FORMAT_B8G8R8X8_UNORM)
- return GL_TRUE;
+ if (format != PIPE_FORMAT_NONE) {
+ samples[num_sample_counts++] = i;
+ }
+ }
- if (format1 == PIPE_FORMAT_B8G8R8X8_UNORM &&
- format2 == PIPE_FORMAT_B8G8R8A8_UNORM)
- return GL_TRUE;
+ if (!num_sample_counts) {
+ samples[num_sample_counts++] = 1;
+ }
- if (format1 == PIPE_FORMAT_A8B8G8R8_UNORM &&
- format2 == PIPE_FORMAT_X8B8G8R8_UNORM)
- return GL_TRUE;
+ return num_sample_counts;
+}
- 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;
+/**
+ * ARB_internalformat_query2 driver hook.
+ */
+void
+st_QueryInternalFormat(struct gl_context *ctx, GLenum target,
+ GLenum internalFormat, GLenum pname, GLint *params)
+{
+ struct st_context *st = st_context(ctx);
+ /* The API entry-point gives us a temporary params buffer that is non-NULL
+ * and guaranteed to have at least 16 elements.
+ */
+ assert(params != NULL);
+
+ switch (pname) {
+ case GL_SAMPLES:
+ st_QuerySamplesForFormat(ctx, target, internalFormat, params);
+ break;
+
+ case GL_NUM_SAMPLE_COUNTS: {
+ int samples[16];
+ size_t num_samples;
+ num_samples = st_QuerySamplesForFormat(ctx, target, internalFormat,
+ samples);
+ params[0] = (GLint) num_samples;
+ break;
+ }
+ case GL_INTERNALFORMAT_PREFERRED: {
+ params[0] = GL_NONE;
+
+ /* We need to resolve an internal format that is compatible with
+ * the passed internal format, and optimal to the driver. By now,
+ * we just validate that the passed internal format is supported by
+ * the driver, and if so return the same internal format, otherwise
+ * return GL_NONE.
+ */
+ unsigned bindings;
+ if (_mesa_is_depth_or_stencil_format(internalFormat))
+ bindings = PIPE_BIND_DEPTH_STENCIL;
+ else
+ bindings = PIPE_BIND_RENDER_TARGET;
+ enum pipe_format pformat = st_choose_format(st,
+ internalFormat,
+ GL_NONE,
+ GL_NONE,
+ PIPE_TEXTURE_2D, 0, 0,
+ bindings,
+ false, false);
+ if (pformat)
+ params[0] = internalFormat;
+ break;
+ }
+ default:
+ /* For the rest of the pnames, we call back the Mesa's default
+ * function for drivers that don't implement ARB_internalformat_query2.
+ */
+ _mesa_query_internal_format_default(ctx, target, internalFormat, pname,
+ params);
+ }
+}
- 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(const union gl_color_union *colorIn,
+ union pipe_color_union *colorOut,
+ GLenum baseFormat, GLboolean is_integer)
+{
+ if (is_integer) {
+ const 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 {
+ const 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;
+ /* Stencil border is tricky on some hw. Help drivers a little here. */
+ case GL_STENCIL_INDEX:
+ case GL_INTENSITY:
+ out[0] = out[1] = out[2] = out[3] = in[0];
+ break;
+ default:
+ COPY_4V(out, in);
+ }
+ }
}