/**************************************************************************
*
* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
- * Copyright (c) 2008 VMware, Inc.
+ * Copyright (c) 2008-2010 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
/**
- * Texture Image-related functions.
+ * Mesa / Gallium format conversion and format selection code.
* \author Brian Paul
*/
#include "main/imports.h"
#include "main/context.h"
#include "main/texstore.h"
-#include "main/texformat.h"
-#include "main/enums.h"
+#include "main/image.h"
#include "main/macros.h"
+#include "main/mfeatures.h"
#include "pipe/p_context.h"
#include "pipe/p_defines.h"
return size;
}
-static GLuint
-format_size(enum pipe_format format)
-{
- return
- util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_RGB, 0) +
- util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_RGB, 1) +
- util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_RGB, 2) +
- util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_RGB, 3) +
- util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_ZS, 0) +
- util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_ZS, 1);
-}
-/*
- * XXX temporary here
+/**
+ * Return basic GL datatype for the given gallium format.
*/
-GLboolean
-st_get_format_info(enum pipe_format format, struct pipe_format_info *pinfo)
+GLenum
+st_format_datatype(enum pipe_format format)
{
const struct util_format_description *desc;
desc = util_format_description(format);
assert(desc);
- if (desc->layout == UTIL_FORMAT_LAYOUT_ARITH ||
- desc->layout == UTIL_FORMAT_LAYOUT_ARRAY) {
-#if 0
- printf("%s\n", pf_name( format ) );
-#endif
-
- /* Data type */
- if (format == PIPE_FORMAT_A1R5G5B5_UNORM || format == PIPE_FORMAT_R5G6B5_UNORM) {
- pinfo->datatype = GL_UNSIGNED_SHORT;
+ if (desc->layout == UTIL_FORMAT_LAYOUT_PLAIN) {
+ if (format == PIPE_FORMAT_B5G5R5A1_UNORM ||
+ format == PIPE_FORMAT_B5G6R5_UNORM) {
+ return GL_UNSIGNED_SHORT;
}
- else if (format == PIPE_FORMAT_S8Z24_UNORM ||
- format == PIPE_FORMAT_Z24S8_UNORM) {
- pinfo->datatype = GL_UNSIGNED_INT_24_8;
+ else if (format == PIPE_FORMAT_Z24_UNORM_S8_USCALED ||
+ format == PIPE_FORMAT_S8_USCALED_Z24_UNORM ||
+ format == PIPE_FORMAT_Z24X8_UNORM ||
+ format == PIPE_FORMAT_X8Z24_UNORM) {
+ return GL_UNSIGNED_INT_24_8;
}
else {
const GLuint size = format_max_bits(format);
if (size == 8) {
if (desc->channel[0].type == UTIL_FORMAT_TYPE_UNSIGNED)
- pinfo->datatype = GL_UNSIGNED_BYTE;
+ return GL_UNSIGNED_BYTE;
else
- pinfo->datatype = GL_BYTE;
+ return GL_BYTE;
}
else if (size == 16) {
if (desc->channel[0].type == UTIL_FORMAT_TYPE_UNSIGNED)
- pinfo->datatype = GL_UNSIGNED_SHORT;
+ return GL_UNSIGNED_SHORT;
else
- pinfo->datatype = GL_SHORT;
+ return GL_SHORT;
}
else {
assert( size <= 32 );
if (desc->channel[0].type == UTIL_FORMAT_TYPE_UNSIGNED)
- pinfo->datatype = GL_UNSIGNED_INT;
+ return GL_UNSIGNED_INT;
else
- pinfo->datatype = GL_INT;
- }
- }
-
- /* Component bits */
- pinfo->red_bits = util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_RGB, 0);
- pinfo->green_bits = util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_RGB, 1);
- pinfo->blue_bits = util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_RGB, 2);
- pinfo->alpha_bits = util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_RGB, 3);
- pinfo->depth_bits = util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_ZS, 0);
- pinfo->stencil_bits = util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_ZS, 1);
- pinfo->luminance_bits = 0;
- pinfo->intensity_bits = 0;
-
- /* Format size */
- pinfo->size = format_size(format) / 8;
-
- /* Luminance & Intensity bits */
- if (desc->swizzle[0] == UTIL_FORMAT_SWIZZLE_X &&
- desc->swizzle[1] == UTIL_FORMAT_SWIZZLE_X &&
- desc->swizzle[2] == UTIL_FORMAT_SWIZZLE_X) {
- if (desc->swizzle[3] == UTIL_FORMAT_SWIZZLE_X) {
- pinfo->intensity_bits = pinfo->red_bits;
- }
- else {
- pinfo->luminance_bits = pinfo->red_bits;
+ return GL_INT;
}
- pinfo->red_bits = 0;
}
-
- pinfo->mesa_format = st_pipe_format_to_mesa_format(format);
}
- else if (desc->layout == UTIL_FORMAT_LAYOUT_YUV) {
- pinfo->mesa_format = MESA_FORMAT_YCBCR;
- pinfo->datatype = GL_UNSIGNED_SHORT;
- pinfo->size = 2; /* two bytes per "texel" */
+ else if (format == PIPE_FORMAT_UYVY) {
+ return GL_UNSIGNED_SHORT;
}
- else {
- /* compressed format? */
- assert(0);
+ else if (format == PIPE_FORMAT_YUYV) {
+ return GL_UNSIGNED_SHORT;
}
-
-#if 0
- printf(
- "ST_FORMAT: R(%u), G(%u), B(%u), A(%u), Z(%u), S(%u)\n",
- pinfo->red_bits,
- pinfo->green_bits,
- pinfo->blue_bits,
- pinfo->alpha_bits,
- pinfo->depth_bits,
- pinfo->stencil_bits );
-#endif
-
- pinfo->format = format;
-
- return GL_TRUE;
-}
-
-
-/**
- * Return bytes per pixel for the given format.
- */
-GLuint
-st_sizeof_format(enum pipe_format format)
-{
- struct pipe_format_info info;
- if (!st_get_format_info( format, &info )) {
- assert( 0 );
- return 0;
+ else {
+ /* probably a compressed format, unsupported anyway */
+ return GL_NONE;
}
- return info.size;
}
/**
- * Return bytes per pixel for the given format.
+ * Translate Mesa format to Gallium format.
*/
-GLenum
-st_format_datatype(enum pipe_format format)
-{
- struct pipe_format_info info;
- if (!st_get_format_info( format, &info )) {
- assert( 0 );
- return 0;
- }
- return info.datatype;
-}
-
-
enum pipe_format
st_mesa_format_to_pipe_format(gl_format mesaFormat)
{
switch (mesaFormat) {
- /* fix this */
- case MESA_FORMAT_ARGB8888_REV:
+ case MESA_FORMAT_RGBA8888:
+ return PIPE_FORMAT_A8B8G8R8_UNORM;
+ case MESA_FORMAT_RGBA8888_REV:
+ return PIPE_FORMAT_R8G8B8A8_UNORM;
case MESA_FORMAT_ARGB8888:
+ return PIPE_FORMAT_B8G8R8A8_UNORM;
+ case MESA_FORMAT_ARGB8888_REV:
return PIPE_FORMAT_A8R8G8B8_UNORM;
case MESA_FORMAT_XRGB8888:
+ return PIPE_FORMAT_B8G8R8X8_UNORM;
+ case MESA_FORMAT_XRGB8888_REV:
return PIPE_FORMAT_X8R8G8B8_UNORM;
case MESA_FORMAT_ARGB1555:
- return PIPE_FORMAT_A1R5G5B5_UNORM;
+ return PIPE_FORMAT_B5G5R5A1_UNORM;
case MESA_FORMAT_ARGB4444:
- return PIPE_FORMAT_A4R4G4B4_UNORM;
+ return PIPE_FORMAT_B4G4R4A4_UNORM;
case MESA_FORMAT_RGB565:
- return PIPE_FORMAT_R5G6B5_UNORM;
+ return PIPE_FORMAT_B5G6R5_UNORM;
+ case MESA_FORMAT_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_A8L8_UNORM;
+ 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_Z24S8_UNORM;
+ return PIPE_FORMAT_S8_USCALED_Z24_UNORM;
case MESA_FORMAT_S8_Z24:
- return PIPE_FORMAT_S8Z24_UNORM;
+ return PIPE_FORMAT_Z24_UNORM_S8_USCALED;
+ case MESA_FORMAT_Z24_X8:
+ return PIPE_FORMAT_X8Z24_UNORM;
+ case MESA_FORMAT_X8_Z24:
+ return PIPE_FORMAT_Z24X8_UNORM;
+ case MESA_FORMAT_S8:
+ return PIPE_FORMAT_S8_USCALED;
case MESA_FORMAT_YCBCR:
- return PIPE_FORMAT_YCBCR;
+ return PIPE_FORMAT_UYVY;
#if FEATURE_texture_s3tc
case MESA_FORMAT_RGB_DXT1:
return PIPE_FORMAT_DXT1_RGB;
#endif
#if FEATURE_EXT_texture_sRGB
case MESA_FORMAT_SLA8:
- return PIPE_FORMAT_A8L8_SRGB;
+ return PIPE_FORMAT_L8A8_SRGB;
case MESA_FORMAT_SL8:
return PIPE_FORMAT_L8_SRGB;
case MESA_FORMAT_SRGB8:
return PIPE_FORMAT_R8G8B8_SRGB;
case MESA_FORMAT_SRGBA8:
- return PIPE_FORMAT_R8G8B8A8_SRGB;
+ return PIPE_FORMAT_A8B8G8R8_SRGB;
case MESA_FORMAT_SARGB8:
- return PIPE_FORMAT_A8R8G8B8_SRGB;
+ return PIPE_FORMAT_B8G8R8A8_SRGB;
#endif
+ 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 0;
+ return PIPE_FORMAT_NONE;
}
}
+/**
+ * Translate Gallium format to Mesa format.
+ */
gl_format
-st_pipe_format_to_mesa_format(enum pipe_format pipeFormat)
+st_pipe_format_to_mesa_format(enum pipe_format format)
{
- switch (pipeFormat) {
- case PIPE_FORMAT_A8R8G8B8_UNORM:
- return MESA_FORMAT_ARGB8888;
- case PIPE_FORMAT_X8R8G8B8_UNORM:
- return MESA_FORMAT_XRGB8888;
+ 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_A1R5G5B5_UNORM:
+ 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_A4R4G4B4_UNORM:
+ case PIPE_FORMAT_B4G4R4A4_UNORM:
return MESA_FORMAT_ARGB4444;
- case PIPE_FORMAT_R5G6B5_UNORM:
+ case PIPE_FORMAT_B5G6R5_UNORM:
return MESA_FORMAT_RGB565;
- case PIPE_FORMAT_A8L8_UNORM:
+ case PIPE_FORMAT_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_Z24X8_UNORM:
- return MESA_FORMAT_Z24_X8;
- case PIPE_FORMAT_Z24S8_UNORM:
+ case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
return MESA_FORMAT_Z24_S8;
case PIPE_FORMAT_X8Z24_UNORM:
+ return MESA_FORMAT_Z24_X8;
+ case PIPE_FORMAT_Z24X8_UNORM:
return MESA_FORMAT_X8_Z24;
- case PIPE_FORMAT_S8Z24_UNORM:
+ case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
return MESA_FORMAT_S8_Z24;
- case PIPE_FORMAT_S8_UNORM:
- return MESA_FORMAT_S8;
- case PIPE_FORMAT_YCBCR:
+ case PIPE_FORMAT_UYVY:
return MESA_FORMAT_YCBCR;
- case PIPE_FORMAT_R16G16B16A16_SNORM:
- return MESA_FORMAT_SIGNED_RGBA_16;
+ case PIPE_FORMAT_YUYV:
+ return MESA_FORMAT_YCBCR_REV;
#if FEATURE_texture_s3tc
case PIPE_FORMAT_DXT1_RGB:
return MESA_FORMAT_SRGBA_DXT5;
#endif
#endif
+
#if FEATURE_EXT_texture_sRGB
- case PIPE_FORMAT_A8L8_SRGB:
+ case PIPE_FORMAT_L8A8_SRGB:
return MESA_FORMAT_SLA8;
case PIPE_FORMAT_L8_SRGB:
return MESA_FORMAT_SL8;
case PIPE_FORMAT_R8G8B8_SRGB:
return MESA_FORMAT_SRGB8;
- case PIPE_FORMAT_R8G8B8A8_SRGB:
+ case PIPE_FORMAT_A8B8G8R8_SRGB:
return MESA_FORMAT_SRGBA8;
- case PIPE_FORMAT_A8R8G8B8_SRGB:
+ case PIPE_FORMAT_B8G8R8A8_SRGB:
return MESA_FORMAT_SARGB8;
#endif
+
+ 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;
+
default:
assert(0);
- return 0;
+ return MESA_FORMAT_NONE;
}
}
+/**
+ * Return first supported format from the given list.
+ */
+static enum pipe_format
+find_supported_format(struct pipe_screen *screen,
+ const enum pipe_format formats[],
+ uint num_formats,
+ enum pipe_texture_target target,
+ unsigned sample_count,
+ unsigned tex_usage,
+ unsigned geom_flags)
+{
+ uint i;
+ for (i = 0; i < num_formats; i++) {
+ if (screen->is_format_supported(screen, formats[i], target,
+ sample_count, tex_usage, geom_flags)) {
+ return formats[i];
+ }
+ }
+ return PIPE_FORMAT_NONE;
+}
+
+
/**
* 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 tex_usage,
+ unsigned sample_count,
+ unsigned tex_usage,
unsigned geom_flags)
{
static const enum pipe_format colorFormats[] = {
- PIPE_FORMAT_A8R8G8B8_UNORM,
PIPE_FORMAT_B8G8R8A8_UNORM,
- PIPE_FORMAT_R8G8B8A8_UNORM,
- PIPE_FORMAT_R5G6B5_UNORM
+ PIPE_FORMAT_A8R8G8B8_UNORM,
+ PIPE_FORMAT_A8B8G8R8_UNORM,
+ PIPE_FORMAT_B5G6R5_UNORM
};
- uint i;
- for (i = 0; i < Elements(colorFormats); i++) {
- if (screen->is_format_supported( screen, colorFormats[i], target, tex_usage, geom_flags )) {
- return colorFormats[i];
- }
- }
- return PIPE_FORMAT_NONE;
+ return find_supported_format(screen, colorFormats, Elements(colorFormats),
+ target, sample_count, tex_usage, geom_flags);
}
+
/**
* Find an RGB format supported by the context/winsys.
*/
static enum pipe_format
default_rgb_format(struct pipe_screen *screen,
enum pipe_texture_target target,
- unsigned tex_usage,
+ unsigned sample_count,
+ unsigned tex_usage,
unsigned geom_flags)
{
static const enum pipe_format colorFormats[] = {
- PIPE_FORMAT_X8R8G8B8_UNORM,
PIPE_FORMAT_B8G8R8X8_UNORM,
- PIPE_FORMAT_R8G8B8X8_UNORM,
- PIPE_FORMAT_A8R8G8B8_UNORM,
+ PIPE_FORMAT_X8R8G8B8_UNORM,
+ PIPE_FORMAT_X8B8G8R8_UNORM,
PIPE_FORMAT_B8G8R8A8_UNORM,
- PIPE_FORMAT_R8G8B8A8_UNORM,
- PIPE_FORMAT_R5G6B5_UNORM
+ PIPE_FORMAT_A8R8G8B8_UNORM,
+ PIPE_FORMAT_A8B8G8R8_UNORM,
+ PIPE_FORMAT_B5G6R5_UNORM
};
- uint i;
- for (i = 0; i < Elements(colorFormats); i++) {
- if (screen->is_format_supported( screen, colorFormats[i], target, tex_usage, geom_flags )) {
- return colorFormats[i];
- }
- }
- return PIPE_FORMAT_NONE;
+ return find_supported_format(screen, colorFormats, Elements(colorFormats),
+ target, sample_count, tex_usage, geom_flags);
}
/**
static enum pipe_format
default_srgba_format(struct pipe_screen *screen,
enum pipe_texture_target target,
- unsigned tex_usage,
+ unsigned sample_count,
+ unsigned tex_usage,
unsigned geom_flags)
{
static const enum pipe_format colorFormats[] = {
- PIPE_FORMAT_A8R8G8B8_SRGB,
PIPE_FORMAT_B8G8R8A8_SRGB,
- PIPE_FORMAT_R8G8B8A8_SRGB,
- };
- uint i;
- for (i = 0; i < Elements(colorFormats); i++) {
- if (screen->is_format_supported( screen, colorFormats[i], target, tex_usage, geom_flags )) {
- return colorFormats[i];
- }
- }
- return PIPE_FORMAT_NONE;
-}
-
-/**
- * Search list of formats for first RGBA format with >8 bits/channel.
- */
-static enum pipe_format
-default_deep_rgba_format(struct pipe_screen *screen,
- enum pipe_texture_target target,
- unsigned tex_usage,
- unsigned geom_flags)
-{
- if (screen->is_format_supported(screen, PIPE_FORMAT_R16G16B16A16_SNORM, target, tex_usage, geom_flags)) {
- return PIPE_FORMAT_R16G16B16A16_SNORM;
- }
- if (tex_usage & PIPE_TEXTURE_USAGE_RENDER_TARGET)
- return default_rgba_format(screen, target, tex_usage, geom_flags);
- else
- return PIPE_FORMAT_NONE;
-}
-
-
-/**
- * Find an Z format supported by the context/winsys.
- */
-static enum pipe_format
-default_depth_format(struct pipe_screen *screen,
- enum pipe_texture_target target,
- unsigned tex_usage,
- unsigned geom_flags)
-{
- static const enum pipe_format zFormats[] = {
- PIPE_FORMAT_Z16_UNORM,
- PIPE_FORMAT_Z32_UNORM,
- PIPE_FORMAT_S8Z24_UNORM,
- PIPE_FORMAT_Z24S8_UNORM
+ PIPE_FORMAT_A8R8G8B8_SRGB,
+ PIPE_FORMAT_A8B8G8R8_SRGB,
};
- uint i;
- for (i = 0; i < Elements(zFormats); i++) {
- if (screen->is_format_supported( screen, zFormats[i], target, tex_usage, geom_flags )) {
- return zFormats[i];
- }
- }
- return PIPE_FORMAT_NONE;
+ return find_supported_format(screen, colorFormats, Elements(colorFormats),
+ target, sample_count, tex_usage, geom_flags);
}
/**
* Given an OpenGL internalFormat value for a texture or surface, return
* the best matching PIPE_FORMAT_x, or PIPE_FORMAT_NONE if there's no match.
+ * This is called during glTexImage2D, for example.
+ *
+ * The bindings parameter typically has PIPE_BIND_SAMPLER_VIEW set, plus
+ * either PIPE_BINDING_RENDER_TARGET or PIPE_BINDING_DEPTH_STENCIL if
+ * we want render-to-texture ability.
+ *
+ * \param internalFormat the user value passed to glTexImage2D
* \param target one of PIPE_TEXTURE_x
- * \param tex_usage either PIPE_TEXTURE_USAGE_RENDER_TARGET
- * or PIPE_TEXTURE_USAGE_SAMPLER
+ * \param bindings bitmask of PIPE_BIND_x flags.
*/
enum pipe_format
st_choose_format(struct pipe_screen *screen, GLenum internalFormat,
- enum pipe_texture_target target, unsigned tex_usage)
+ enum pipe_texture_target target, unsigned sample_count,
+ unsigned bindings)
{
- unsigned geom_flags = 0;
+ unsigned geom_flags = 0; /* we don't care about POT vs. NPOT here, yet */
switch (internalFormat) {
+ case 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_COMPRESSED_RGBA:
case GL_RGBA8:
- case GL_RGB10_A2:
- case GL_RGBA12:
- return default_rgba_format( screen, target, tex_usage, geom_flags );
+ return default_rgba_format( screen, target, sample_count, bindings,
+ geom_flags );
+
+ case GL_BGRA:
+ if (screen->is_format_supported( screen, PIPE_FORMAT_B8G8R8A8_UNORM,
+ target, sample_count, bindings,
+ geom_flags ))
+ return PIPE_FORMAT_B8G8R8A8_UNORM;
+ return default_rgba_format( screen, target, sample_count, bindings,
+ geom_flags );
+
case 3:
case GL_RGB:
- case GL_COMPRESSED_RGB:
- return default_rgb_format( screen, target, tex_usage, geom_flags );
+ 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 (tex_usage & PIPE_TEXTURE_USAGE_RENDER_TARGET)
- return default_deep_rgba_format( screen, target, tex_usage, geom_flags );
- else
- return default_rgba_format( screen, target, tex_usage, geom_flags );
+ 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_A4R4G4B4_UNORM, target, tex_usage, geom_flags ))
- return PIPE_FORMAT_A4R4G4B4_UNORM;
- return default_rgba_format( screen, target, tex_usage, geom_flags );
+ if (screen->is_format_supported( screen, PIPE_FORMAT_B4G4R4A4_UNORM,
+ target, sample_count, bindings,
+ geom_flags ))
+ return PIPE_FORMAT_B4G4R4A4_UNORM;
+ return default_rgba_format( screen, target, sample_count, bindings,
+ geom_flags );
case GL_RGB5_A1:
- if (screen->is_format_supported( screen, PIPE_FORMAT_A1R5G5B5_UNORM, target, tex_usage, geom_flags ))
- return PIPE_FORMAT_A1R5G5B5_UNORM;
- return default_rgba_format( screen, target, tex_usage, geom_flags );
-
- case GL_RGB8:
- case GL_RGB10:
- case GL_RGB12:
- case GL_RGB16:
- return default_rgb_format( screen, target, tex_usage, geom_flags );
+ if (screen->is_format_supported( screen, PIPE_FORMAT_B5G5R5A1_UNORM,
+ target, sample_count, bindings,
+ geom_flags ))
+ return PIPE_FORMAT_B5G5R5A1_UNORM;
+ return default_rgba_format( screen, target, sample_count, bindings,
+ geom_flags );
+ case GL_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:
- case GL_R3_G3_B2:
- if (screen->is_format_supported( screen, PIPE_FORMAT_R5G6B5_UNORM, target, tex_usage, geom_flags ))
- return PIPE_FORMAT_R5G6B5_UNORM;
- if (screen->is_format_supported( screen, PIPE_FORMAT_A1R5G5B5_UNORM, target, tex_usage, geom_flags ))
- return PIPE_FORMAT_A1R5G5B5_UNORM;
- return default_rgba_format( screen, target, tex_usage, geom_flags );
+ if (screen->is_format_supported( screen, PIPE_FORMAT_B5G6R5_UNORM,
+ target, sample_count, bindings,
+ geom_flags ))
+ return PIPE_FORMAT_B5G6R5_UNORM;
+ if (screen->is_format_supported( screen, PIPE_FORMAT_B5G5R5A1_UNORM,
+ target, sample_count, bindings,
+ geom_flags ))
+ return PIPE_FORMAT_B5G5R5A1_UNORM;
+ return default_rgba_format( screen, target, sample_count, bindings,
+ geom_flags );
+ case GL_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_ALPHA12:
- case GL_ALPHA16:
case GL_COMPRESSED_ALPHA:
- if (screen->is_format_supported( screen, PIPE_FORMAT_A8_UNORM, target, tex_usage, geom_flags ))
+ if (screen->is_format_supported( screen, PIPE_FORMAT_A8_UNORM, target,
+ sample_count, bindings, geom_flags ))
return PIPE_FORMAT_A8_UNORM;
- return default_rgba_format( screen, target, tex_usage, geom_flags );
+ return default_rgba_format( screen, target, sample_count, bindings,
+ geom_flags );
+ case 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_LUMINANCE12:
- case GL_LUMINANCE16:
case GL_COMPRESSED_LUMINANCE:
- if (screen->is_format_supported( screen, PIPE_FORMAT_L8_UNORM, target, tex_usage, geom_flags ))
+ if (screen->is_format_supported( screen, PIPE_FORMAT_L8_UNORM, target,
+ sample_count, bindings, geom_flags ))
return PIPE_FORMAT_L8_UNORM;
- return default_rgba_format( screen, target, tex_usage, geom_flags );
+ return default_rgba_format( screen, target, sample_count, bindings,
+ geom_flags );
+ case 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_LUMINANCE4_ALPHA4:
case GL_LUMINANCE6_ALPHA2:
case GL_LUMINANCE8_ALPHA8:
- case GL_LUMINANCE12_ALPHA4:
- case GL_LUMINANCE12_ALPHA12:
- case GL_LUMINANCE16_ALPHA16:
case GL_COMPRESSED_LUMINANCE_ALPHA:
- if (screen->is_format_supported( screen, PIPE_FORMAT_A8L8_UNORM, target, tex_usage, geom_flags ))
- return PIPE_FORMAT_A8L8_UNORM;
- return default_rgba_format( screen, target, tex_usage, geom_flags );
+ if (screen->is_format_supported( screen, PIPE_FORMAT_L8A8_UNORM, target,
+ sample_count, bindings, geom_flags ))
+ return PIPE_FORMAT_L8A8_UNORM;
+ return default_rgba_format( screen, target, sample_count, bindings,
+ geom_flags );
+ case GL_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_INTENSITY12:
- case GL_INTENSITY16:
case GL_COMPRESSED_INTENSITY:
- if (screen->is_format_supported( screen, PIPE_FORMAT_I8_UNORM, target, tex_usage, geom_flags ))
+ if (screen->is_format_supported( screen, PIPE_FORMAT_I8_UNORM, target,
+ sample_count, bindings, geom_flags ))
return PIPE_FORMAT_I8_UNORM;
- return default_rgba_format( screen, target, tex_usage, geom_flags );
+ return default_rgba_format( screen, target, sample_count, bindings,
+ geom_flags );
case GL_YCBCR_MESA:
- if (screen->is_format_supported(screen, PIPE_FORMAT_YCBCR,
- target, tex_usage, geom_flags)) {
- return PIPE_FORMAT_YCBCR;
+ if (screen->is_format_supported(screen, PIPE_FORMAT_UYVY, target,
+ sample_count, bindings, geom_flags)) {
+ return PIPE_FORMAT_UYVY;
}
- if (screen->is_format_supported(screen, PIPE_FORMAT_YCBCR_REV,
- target, tex_usage, geom_flags)) {
- return PIPE_FORMAT_YCBCR_REV;
+ if (screen->is_format_supported(screen, PIPE_FORMAT_YUYV, target,
+ sample_count, bindings, geom_flags)) {
+ return PIPE_FORMAT_YUYV;
}
return PIPE_FORMAT_NONE;
+ case GL_COMPRESSED_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:
- return PIPE_FORMAT_DXT1_RGB;
+ if (screen->is_format_supported(screen, PIPE_FORMAT_DXT1_RGB,
+ target, sample_count, bindings,
+ geom_flags))
+ return PIPE_FORMAT_DXT1_RGB;
+ else
+ return PIPE_FORMAT_NONE;
case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
- return PIPE_FORMAT_DXT1_RGBA;
+ if (screen->is_format_supported(screen, PIPE_FORMAT_DXT1_RGBA,
+ target, sample_count, bindings,
+ geom_flags))
+ return PIPE_FORMAT_DXT1_RGBA;
+ else
+ return PIPE_FORMAT_NONE;
case GL_RGBA_S3TC:
case GL_RGBA4_S3TC:
case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
- return PIPE_FORMAT_DXT3_RGBA;
+ if (screen->is_format_supported(screen, PIPE_FORMAT_DXT3_RGBA,
+ target, sample_count, bindings,
+ geom_flags))
+ return PIPE_FORMAT_DXT3_RGBA;
+ else
+ return PIPE_FORMAT_NONE;
case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
- return PIPE_FORMAT_DXT5_RGBA;
+ if (screen->is_format_supported(screen, PIPE_FORMAT_DXT5_RGBA,
+ target, sample_count, bindings,
+ geom_flags))
+ return PIPE_FORMAT_DXT5_RGBA;
+ else
+ return PIPE_FORMAT_NONE;
#if 0
case GL_COMPRESSED_RGB_FXT1_3DFX:
#endif
case GL_DEPTH_COMPONENT16:
- if (screen->is_format_supported( screen, PIPE_FORMAT_Z16_UNORM, target, tex_usage, geom_flags ))
+ if (screen->is_format_supported(screen, PIPE_FORMAT_Z16_UNORM, target,
+ sample_count, bindings, geom_flags))
return PIPE_FORMAT_Z16_UNORM;
/* fall-through */
case GL_DEPTH_COMPONENT24:
- if (screen->is_format_supported( screen, PIPE_FORMAT_S8Z24_UNORM, target, tex_usage, geom_flags ))
- return PIPE_FORMAT_S8Z24_UNORM;
- if (screen->is_format_supported( screen, PIPE_FORMAT_Z24S8_UNORM, target, tex_usage, geom_flags ))
- return PIPE_FORMAT_Z24S8_UNORM;
+ if (screen->is_format_supported(screen, PIPE_FORMAT_Z24_UNORM_S8_USCALED,
+ target, sample_count, bindings, geom_flags))
+ return PIPE_FORMAT_Z24_UNORM_S8_USCALED;
+ if (screen->is_format_supported(screen, PIPE_FORMAT_S8_USCALED_Z24_UNORM,
+ target, sample_count, bindings, geom_flags))
+ return PIPE_FORMAT_S8_USCALED_Z24_UNORM;
/* fall-through */
case GL_DEPTH_COMPONENT32:
- if (screen->is_format_supported( screen, PIPE_FORMAT_Z32_UNORM, target, tex_usage, geom_flags ))
+ if (screen->is_format_supported(screen, PIPE_FORMAT_Z32_UNORM, target,
+ sample_count, bindings, geom_flags))
return PIPE_FORMAT_Z32_UNORM;
/* fall-through */
case GL_DEPTH_COMPONENT:
- return default_depth_format( screen, target, tex_usage, geom_flags );
+ {
+ static const enum pipe_format formats[] = {
+ PIPE_FORMAT_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:
- if (screen->is_format_supported( screen, PIPE_FORMAT_S8_UNORM, target, tex_usage, geom_flags ))
- return PIPE_FORMAT_S8_UNORM;
- if (screen->is_format_supported( screen, PIPE_FORMAT_S8Z24_UNORM, target, tex_usage, geom_flags ))
- return PIPE_FORMAT_S8Z24_UNORM;
- if (screen->is_format_supported( screen, PIPE_FORMAT_Z24S8_UNORM, target, tex_usage, geom_flags ))
- return PIPE_FORMAT_Z24S8_UNORM;
- return PIPE_FORMAT_NONE;
+ {
+ static const enum pipe_format formats[] = {
+ PIPE_FORMAT_S8_USCALED,
+ PIPE_FORMAT_Z24_UNORM_S8_USCALED,
+ PIPE_FORMAT_S8_USCALED_Z24_UNORM
+ };
+ return find_supported_format(screen, formats, Elements(formats),
+ target, sample_count, bindings, geom_flags);
+ }
case GL_DEPTH_STENCIL_EXT:
case GL_DEPTH24_STENCIL8_EXT:
- if (screen->is_format_supported( screen, PIPE_FORMAT_S8Z24_UNORM, target, tex_usage, geom_flags ))
- return PIPE_FORMAT_S8Z24_UNORM;
- if (screen->is_format_supported( screen, PIPE_FORMAT_Z24S8_UNORM, target, tex_usage, geom_flags ))
- return PIPE_FORMAT_Z24S8_UNORM;
- return PIPE_FORMAT_NONE;
+ {
+ static const enum pipe_format formats[] = {
+ PIPE_FORMAT_Z24_UNORM_S8_USCALED,
+ PIPE_FORMAT_S8_USCALED_Z24_UNORM
+ };
+ return find_supported_format(screen, formats, Elements(formats),
+ target, sample_count, bindings, geom_flags);
+ }
case GL_SRGB_EXT:
case GL_SRGB8_EXT:
- case GL_COMPRESSED_SRGB_EXT:
- case GL_COMPRESSED_SRGB_ALPHA_EXT:
case GL_SRGB_ALPHA_EXT:
case GL_SRGB8_ALPHA8_EXT:
- return default_srgba_format( screen, target, tex_usage, geom_flags );
+ return default_srgba_format( screen, target, sample_count, bindings,
+ geom_flags );
+
+ case GL_COMPRESSED_SRGB_EXT:
case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
- return PIPE_FORMAT_DXT1_SRGB;
+ 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:
- return PIPE_FORMAT_DXT3_SRGBA;
+ 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_SLUMINANCE8_ALPHA8_EXT:
case GL_COMPRESSED_SLUMINANCE_EXT:
case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT:
- if (screen->is_format_supported( screen, PIPE_FORMAT_A8L8_SRGB, target, tex_usage, geom_flags ))
- return PIPE_FORMAT_A8L8_SRGB;
- return default_srgba_format( screen, target, tex_usage, geom_flags );
+ if (screen->is_format_supported(screen, PIPE_FORMAT_L8A8_SRGB, target,
+ sample_count, bindings, geom_flags))
+ return PIPE_FORMAT_L8A8_SRGB;
+ return default_srgba_format( screen, target, sample_count, bindings,
+ geom_flags );
case GL_SLUMINANCE_EXT:
case GL_SLUMINANCE8_EXT:
- if (screen->is_format_supported( screen, PIPE_FORMAT_L8_SRGB, target, tex_usage, geom_flags ))
+ if (screen->is_format_supported(screen, PIPE_FORMAT_L8_SRGB, target,
+ sample_count, bindings, geom_flags))
return PIPE_FORMAT_L8_SRGB;
- return default_srgba_format( screen, target, tex_usage, geom_flags );
+ return default_srgba_format( screen, target, sample_count, bindings,
+ geom_flags );
+
+ 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;
- default:
+ 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.
+ */
+ 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;
+
+ 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;
+
+ 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;
+
+ 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;
-static GLboolean
-is_depth_or_stencil_format(GLenum internalFormat)
-{
- switch (internalFormat) {
- case GL_DEPTH_COMPONENT:
- case GL_DEPTH_COMPONENT16:
- case GL_DEPTH_COMPONENT24:
- case GL_DEPTH_COMPONENT32:
- case GL_STENCIL_INDEX:
- case GL_STENCIL_INDEX1_EXT:
- case GL_STENCIL_INDEX4_EXT:
- case GL_STENCIL_INDEX8_EXT:
- case GL_STENCIL_INDEX16_EXT:
- case GL_DEPTH_STENCIL_EXT:
- case GL_DEPTH24_STENCIL8_EXT:
- return GL_TRUE;
default:
- return GL_FALSE;
+ 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)
+ GLenum internalFormat, unsigned sample_count)
{
uint usage;
- if (is_depth_or_stencil_format(internalFormat))
- usage = PIPE_TEXTURE_USAGE_DEPTH_STENCIL;
+ if (_mesa_is_depth_or_stencil_format(internalFormat))
+ usage = PIPE_BIND_DEPTH_STENCIL;
else
- usage = PIPE_TEXTURE_USAGE_RENDER_TARGET;
- return st_choose_format(screen, internalFormat, PIPE_TEXTURE_2D, usage);
-}
-
-
-static gl_format
-translate_gallium_format_to_mesa_format(enum pipe_format format)
-{
- switch (format) {
- case PIPE_FORMAT_A8R8G8B8_UNORM:
- return MESA_FORMAT_ARGB8888;
- case PIPE_FORMAT_X8R8G8B8_UNORM:
- return MESA_FORMAT_XRGB8888;
- case PIPE_FORMAT_A1R5G5B5_UNORM:
- return MESA_FORMAT_ARGB1555;
- case PIPE_FORMAT_A4R4G4B4_UNORM:
- return MESA_FORMAT_ARGB4444;
- case PIPE_FORMAT_R5G6B5_UNORM:
- return MESA_FORMAT_RGB565;
- case PIPE_FORMAT_A8L8_UNORM:
- return MESA_FORMAT_AL88;
- case PIPE_FORMAT_A8_UNORM:
- return MESA_FORMAT_A8;
- case PIPE_FORMAT_L8_UNORM:
- return MESA_FORMAT_L8;
- case PIPE_FORMAT_I8_UNORM:
- return MESA_FORMAT_I8;
- case PIPE_FORMAT_Z16_UNORM:
- return MESA_FORMAT_Z16;
- case PIPE_FORMAT_Z32_UNORM:
- return MESA_FORMAT_Z32;
- case PIPE_FORMAT_Z24S8_UNORM:
- return MESA_FORMAT_Z24_S8;
- case PIPE_FORMAT_X8Z24_UNORM:
- return MESA_FORMAT_X8_Z24;
- case PIPE_FORMAT_S8Z24_UNORM:
- return MESA_FORMAT_S8_Z24;
- case PIPE_FORMAT_YCBCR:
- return MESA_FORMAT_YCBCR;
- case PIPE_FORMAT_YCBCR_REV:
- return MESA_FORMAT_YCBCR_REV;
-#if FEATURE_texture_s3tc
- case PIPE_FORMAT_DXT1_RGB:
- return MESA_FORMAT_RGB_DXT1;
- case PIPE_FORMAT_DXT1_RGBA:
- return MESA_FORMAT_RGBA_DXT1;
- case PIPE_FORMAT_DXT3_RGBA:
- return MESA_FORMAT_RGBA_DXT3;
- case PIPE_FORMAT_DXT5_RGBA:
- return MESA_FORMAT_RGBA_DXT5;
-#if FEATURE_EXT_texture_sRGB
- case PIPE_FORMAT_DXT1_SRGB:
- return MESA_FORMAT_SRGB_DXT1;
- case PIPE_FORMAT_DXT1_SRGBA:
- return MESA_FORMAT_SRGBA_DXT1;
- case PIPE_FORMAT_DXT3_SRGBA:
- return MESA_FORMAT_SRGBA_DXT3;
- case PIPE_FORMAT_DXT5_SRGBA:
- return MESA_FORMAT_SRGBA_DXT5;
-#endif
-#endif
-#if FEATURE_EXT_texture_sRGB
- case PIPE_FORMAT_A8L8_SRGB:
- return MESA_FORMAT_SLA8;
- case PIPE_FORMAT_L8_SRGB:
- return MESA_FORMAT_SL8;
- case PIPE_FORMAT_R8G8B8_SRGB:
- return MESA_FORMAT_SRGB8;
- case PIPE_FORMAT_R8G8B8A8_SRGB:
- return MESA_FORMAT_SRGBA8;
- case PIPE_FORMAT_A8R8G8B8_SRGB:
- return MESA_FORMAT_SARGB8;
-#endif
- /* XXX add additional cases */
- default:
- assert(0);
- return MESA_FORMAT_NONE;
- }
+ usage = PIPE_BIND_RENDER_TARGET;
+ return st_choose_format(screen, internalFormat, PIPE_TEXTURE_2D,
+ sample_count, usage);
}
* Called via ctx->Driver.chooseTextureFormat().
*/
gl_format
-st_ChooseTextureFormat(GLcontext *ctx, GLint internalFormat,
- GLenum format, GLenum type)
+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;
- pFormat = st_choose_format(ctx->st->pipe->screen, internalFormat,
- PIPE_TEXTURE_2D, PIPE_TEXTURE_USAGE_SAMPLER);
- if (pFormat == PIPE_FORMAT_NONE)
+ /* GL textures may wind up being render targets, but we don't know
+ * that in advance. Specify potential render target flags now.
+ */
+ 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;
+ }
+
+ pFormat = st_choose_format(screen, internalFormat,
+ PIPE_TEXTURE_2D, 0, bindings);
+
+ if (pFormat == PIPE_FORMAT_NONE) {
+ /* try choosing format again, this time without render target bindings */
+ pFormat = st_choose_format(screen, internalFormat,
+ PIPE_TEXTURE_2D, 0, PIPE_BIND_SAMPLER_VIEW);
+ }
+
+ if (pFormat == PIPE_FORMAT_NONE) {
+ /* no luck at all */
return MESA_FORMAT_NONE;
+ }
- return translate_gallium_format_to_mesa_format(pFormat);
+ return st_pipe_format_to_mesa_format(pFormat);
}
+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 ||
+ internalFormat == GL_BGRA;
+
+ return st_ChooseTextureFormat_renderable(ctx, internalFormat,
+ format, type, want_renderable);
+}
/**
* Test if a gallium format is equivalent to a GL format/type.
st_equal_formats(enum pipe_format pFormat, GLenum format, GLenum type)
{
switch (pFormat) {
- case PIPE_FORMAT_R8G8B8A8_UNORM:
+ case PIPE_FORMAT_A8B8G8R8_UNORM:
return format == GL_RGBA && type == GL_UNSIGNED_BYTE;
- case PIPE_FORMAT_B8G8R8A8_UNORM:
+ case PIPE_FORMAT_A8R8G8B8_UNORM:
return format == GL_BGRA && type == GL_UNSIGNED_BYTE;
- case PIPE_FORMAT_R5G6B5_UNORM:
+ case PIPE_FORMAT_B5G6R5_UNORM:
return format == GL_RGB && type == GL_UNSIGNED_SHORT_5_6_5;
/* XXX more combos... */
default:
return GL_FALSE;
}
}
+
+GLboolean
+st_sampler_compat_formats(enum pipe_format format1, enum pipe_format format2)
+{
+ if (format1 == format2)
+ return GL_TRUE;
+
+ if (format1 == PIPE_FORMAT_B8G8R8A8_UNORM &&
+ format2 == PIPE_FORMAT_B8G8R8X8_UNORM)
+ return GL_TRUE;
+
+ if (format1 == PIPE_FORMAT_B8G8R8X8_UNORM &&
+ format2 == PIPE_FORMAT_B8G8R8A8_UNORM)
+ return GL_TRUE;
+
+ if (format1 == PIPE_FORMAT_A8B8G8R8_UNORM &&
+ format2 == PIPE_FORMAT_X8B8G8R8_UNORM)
+ return GL_TRUE;
+
+ if (format1 == PIPE_FORMAT_X8B8G8R8_UNORM &&
+ format2 == PIPE_FORMAT_A8B8G8R8_UNORM)
+ return GL_TRUE;
+
+ if (format1 == PIPE_FORMAT_A8R8G8B8_UNORM &&
+ format2 == PIPE_FORMAT_X8R8G8B8_UNORM)
+ return GL_TRUE;
+
+ if (format1 == PIPE_FORMAT_X8R8G8B8_UNORM &&
+ format2 == PIPE_FORMAT_A8R8G8B8_UNORM)
+ return GL_TRUE;
+
+ return GL_FALSE;
+}
+
+
+
+/**
+ * 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, ClearColor[0] = luminance and ClearColor[1] =
+ * alpha. Similarly for texture border colors.
+ */
+void
+st_translate_color(const GLfloat colorIn[4], GLenum baseFormat,
+ GLfloat colorOut[4])
+{
+ switch (baseFormat) {
+ case GL_RED:
+ colorOut[0] = colorIn[0];
+ colorOut[1] = 0.0F;
+ colorOut[2] = 0.0F;
+ colorOut[3] = 1.0F;
+ break;
+ case GL_RG:
+ colorOut[0] = colorIn[0];
+ colorOut[1] = colorIn[1];
+ colorOut[2] = 0.0F;
+ colorOut[3] = 1.0F;
+ break;
+ case GL_RGB:
+ colorOut[0] = colorIn[0];
+ colorOut[1] = colorIn[1];
+ colorOut[2] = colorIn[2];
+ colorOut[3] = 1.0F;
+ break;
+ case GL_ALPHA:
+ colorOut[0] = colorOut[1] = colorOut[2] = 0.0;
+ colorOut[3] = colorIn[3];
+ break;
+ case GL_LUMINANCE:
+ colorOut[0] = colorOut[1] = colorOut[2] = colorIn[0];
+ colorOut[3] = 1.0;
+ break;
+ case GL_LUMINANCE_ALPHA:
+ colorOut[0] = colorOut[1] = colorOut[2] = colorIn[0];
+ colorOut[3] = colorIn[3];
+ break;
+ case GL_INTENSITY:
+ colorOut[0] = colorOut[1] = colorOut[2] = colorOut[3] = colorIn[0];
+ break;
+ default:
+ COPY_4V(colorOut, colorIn);
+ }
+}
projects / mesa.git / blobdiff