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virglrenderer/src/vrend_formats.c

358 lines
16 KiB

/**************************************************************************
*
* Copyright (C) 2014 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* 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 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 NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS 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.
*
**************************************************************************/
#include <epoxy/gl.h>
#include "vrend_renderer.h"
#include "util/u_memory.h"
#include "util/u_format.h"
/* fill the format table */
static struct vrend_format_table base_rgba_formats[] =
{
{ VIRGL_FORMAT_B8G8R8X8_UNORM, GL_RGBA8, GL_BGRA, GL_UNSIGNED_BYTE, 0 },
{ VIRGL_FORMAT_B8G8R8A8_UNORM, GL_RGBA8, GL_BGRA, GL_UNSIGNED_BYTE, 0 },
{ VIRGL_FORMAT_R8G8B8X8_UNORM, GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, 0 },
{ VIRGL_FORMAT_R8G8B8A8_UNORM, GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, 0 },
{ VIRGL_FORMAT_A8R8G8B8_UNORM, GL_RGBA8, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, 0 },
{ VIRGL_FORMAT_X8R8G8B8_UNORM, GL_RGBA8, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, 0 },
{ VIRGL_FORMAT_A8B8G8R8_UNORM, GL_RGBA8, GL_ABGR_EXT, GL_UNSIGNED_BYTE, 0},
{ VIRGL_FORMAT_B4G4R4A4_UNORM, GL_RGBA4, GL_BGRA, GL_UNSIGNED_SHORT_4_4_4_4_REV },
{ VIRGL_FORMAT_B4G4R4X4_UNORM, GL_RGBA4, GL_BGRA, GL_UNSIGNED_SHORT_4_4_4_4_REV },
{ VIRGL_FORMAT_B5G5R5X1_UNORM, GL_RGB5_A1, GL_BGRA, GL_UNSIGNED_SHORT_1_5_5_5_REV },
{ VIRGL_FORMAT_B5G5R5A1_UNORM, GL_RGB5_A1, GL_BGRA, GL_UNSIGNED_SHORT_1_5_5_5_REV },
{ VIRGL_FORMAT_B5G6R5_UNORM, GL_RGB4, GL_RGB, GL_UNSIGNED_SHORT_5_6_5 },
{ VIRGL_FORMAT_B2G3R3_UNORM, GL_R3_G3_B2, GL_RGB, GL_UNSIGNED_BYTE_3_3_2 },
{ VIRGL_FORMAT_R16G16B16X16_UNORM, GL_RGBA16, GL_RGBA, GL_UNSIGNED_SHORT },
{ VIRGL_FORMAT_R16G16B16A16_UNORM, GL_RGBA16, GL_RGBA, GL_UNSIGNED_SHORT },
};
static struct vrend_format_table base_depth_formats[] =
{
{ VIRGL_FORMAT_Z16_UNORM, GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, 0 },
{ VIRGL_FORMAT_Z32_UNORM, GL_DEPTH_COMPONENT32, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, 0 },
{ VIRGL_FORMAT_S8_UINT_Z24_UNORM, GL_DEPTH24_STENCIL8_EXT, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, 0 },
{ VIRGL_FORMAT_Z24X8_UNORM, GL_DEPTH_COMPONENT24, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT },
{ VIRGL_FORMAT_Z32_FLOAT, GL_DEPTH_COMPONENT32F, GL_DEPTH_COMPONENT, GL_FLOAT },
/* this is probably a separate format */
{ VIRGL_FORMAT_Z32_FLOAT_S8X24_UINT, GL_DEPTH32F_STENCIL8, GL_DEPTH_STENCIL, GL_FLOAT_32_UNSIGNED_INT_24_8_REV},
};
static struct vrend_format_table base_la_formats[] = {
{ VIRGL_FORMAT_A8_UNORM, GL_ALPHA8, GL_ALPHA, GL_UNSIGNED_BYTE },
{ VIRGL_FORMAT_L8_UNORM, GL_LUMINANCE8, GL_LUMINANCE, GL_UNSIGNED_BYTE },
{ VIRGL_FORMAT_L8A8_UNORM, GL_LUMINANCE8_ALPHA8, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE },
{ VIRGL_FORMAT_A16_UNORM, GL_ALPHA16, GL_ALPHA, GL_UNSIGNED_SHORT },
{ VIRGL_FORMAT_L16_UNORM, GL_LUMINANCE16, GL_LUMINANCE, GL_UNSIGNED_SHORT },
{ VIRGL_FORMAT_L16A16_UNORM, GL_LUMINANCE16_ALPHA16, GL_LUMINANCE_ALPHA, GL_UNSIGNED_SHORT },
};
static struct vrend_format_table rg_base_formats[] = {
{ VIRGL_FORMAT_R8_UNORM, GL_R8, GL_RED, GL_UNSIGNED_BYTE },
{ VIRGL_FORMAT_R8G8_UNORM, GL_RG8, GL_RG, GL_UNSIGNED_BYTE },
{ VIRGL_FORMAT_R16_UNORM, GL_R16, GL_RED, GL_UNSIGNED_SHORT },
{ VIRGL_FORMAT_R16G16_UNORM, GL_RG16, GL_RG, GL_UNSIGNED_SHORT },
};
static struct vrend_format_table integer_base_formats[] = {
{ VIRGL_FORMAT_R8G8B8A8_UINT, GL_RGBA8UI, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE },
{ VIRGL_FORMAT_R8G8B8A8_SINT, GL_RGBA8I, GL_RGBA_INTEGER, GL_BYTE },
{ VIRGL_FORMAT_R16G16B16A16_UINT, GL_RGBA16UI, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT },
{ VIRGL_FORMAT_R16G16B16A16_SINT, GL_RGBA16I, GL_RGBA_INTEGER, GL_SHORT },
{ VIRGL_FORMAT_R32G32B32A32_UINT, GL_RGBA32UI, GL_RGBA_INTEGER, GL_UNSIGNED_INT },
{ VIRGL_FORMAT_R32G32B32A32_SINT, GL_RGBA32I, GL_RGBA_INTEGER, GL_INT },
};
static struct vrend_format_table integer_3comp_formats[] = {
{ VIRGL_FORMAT_R8G8B8_UINT, GL_RGB8UI, GL_RGB_INTEGER, GL_UNSIGNED_BYTE },
{ VIRGL_FORMAT_R8G8B8_SINT, GL_RGB8I, GL_RGB_INTEGER, GL_BYTE },
{ VIRGL_FORMAT_R16G16B16_UINT, GL_RGB16UI, GL_RGB_INTEGER, GL_UNSIGNED_SHORT },
{ VIRGL_FORMAT_R16G16B16_SINT, GL_RGB16I, GL_RGB_INTEGER, GL_SHORT },
{ VIRGL_FORMAT_R32G32B32_UINT, GL_RGB32UI, GL_RGB_INTEGER, GL_UNSIGNED_INT },
{ VIRGL_FORMAT_R32G32B32_SINT, GL_RGB32I, GL_RGB_INTEGER, GL_INT },
};
static struct vrend_format_table float_base_formats[] = {
{ VIRGL_FORMAT_R16G16B16A16_FLOAT, GL_RGBA16F, GL_RGBA, GL_HALF_FLOAT },
{ VIRGL_FORMAT_R32G32B32A32_FLOAT, GL_RGBA32F, GL_RGBA, GL_FLOAT },
};
static struct vrend_format_table float_la_formats[] = {
{ VIRGL_FORMAT_A16_FLOAT, GL_ALPHA16F_ARB, GL_ALPHA, GL_HALF_FLOAT },
{ VIRGL_FORMAT_L16_FLOAT, GL_LUMINANCE16F_ARB, GL_LUMINANCE, GL_HALF_FLOAT },
{ VIRGL_FORMAT_L16A16_FLOAT, GL_LUMINANCE_ALPHA16F_ARB, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT },
{ VIRGL_FORMAT_A32_FLOAT, GL_ALPHA32F_ARB, GL_ALPHA, GL_FLOAT },
{ VIRGL_FORMAT_L32_FLOAT, GL_LUMINANCE32F_ARB, GL_LUMINANCE, GL_FLOAT },
{ VIRGL_FORMAT_L32A32_FLOAT, GL_LUMINANCE_ALPHA32F_ARB, GL_LUMINANCE_ALPHA, GL_FLOAT },
};
static struct vrend_format_table integer_rg_formats[] = {
{ VIRGL_FORMAT_R8_UINT, GL_R8UI, GL_RED_INTEGER, GL_UNSIGNED_BYTE },
{ VIRGL_FORMAT_R8G8_UINT, GL_RG8UI, GL_RG_INTEGER, GL_UNSIGNED_BYTE },
{ VIRGL_FORMAT_R8_SINT, GL_R8I, GL_RED_INTEGER, GL_BYTE },
{ VIRGL_FORMAT_R8G8_SINT, GL_RG8I, GL_RG_INTEGER, GL_BYTE },
{ VIRGL_FORMAT_R16_UINT, GL_R16UI, GL_RED_INTEGER, GL_UNSIGNED_SHORT },
{ VIRGL_FORMAT_R16G16_UINT, GL_RG16UI, GL_RG_INTEGER, GL_UNSIGNED_SHORT },
{ VIRGL_FORMAT_R16_SINT, GL_R16I, GL_RED_INTEGER, GL_SHORT },
{ VIRGL_FORMAT_R16G16_SINT, GL_RG16I, GL_RG_INTEGER, GL_SHORT },
{ VIRGL_FORMAT_R32_UINT, GL_R32UI, GL_RED_INTEGER, GL_UNSIGNED_INT },
{ VIRGL_FORMAT_R32G32_UINT, GL_RG32UI, GL_RG_INTEGER, GL_UNSIGNED_INT },
{ VIRGL_FORMAT_R32_SINT, GL_R32I, GL_RED_INTEGER, GL_INT },
{ VIRGL_FORMAT_R32G32_SINT, GL_RG32I, GL_RG_INTEGER, GL_INT },
};
static struct vrend_format_table float_rg_formats[] = {
{ VIRGL_FORMAT_R16_FLOAT, GL_R16F, GL_RED, GL_HALF_FLOAT },
{ VIRGL_FORMAT_R16G16_FLOAT, GL_RG16F, GL_RG, GL_HALF_FLOAT },
{ VIRGL_FORMAT_R32_FLOAT, GL_R32F, GL_RED, GL_FLOAT },
{ VIRGL_FORMAT_R32G32_FLOAT, GL_RG32F, GL_RG, GL_FLOAT },
};
static struct vrend_format_table float_3comp_formats[] = {
{ VIRGL_FORMAT_R16G16B16_FLOAT, GL_RGB16F, GL_RGB, GL_HALF_FLOAT },
{ VIRGL_FORMAT_R32G32B32_FLOAT, GL_RGB32F, GL_RGB, GL_FLOAT },
};
static struct vrend_format_table integer_la_formats[] = {
{ VIRGL_FORMAT_A8_UINT, GL_ALPHA8UI_EXT, GL_ALPHA_INTEGER, GL_UNSIGNED_BYTE},
{ VIRGL_FORMAT_L8_UINT, GL_LUMINANCE8UI_EXT, GL_LUMINANCE_INTEGER_EXT, GL_UNSIGNED_BYTE},
{ VIRGL_FORMAT_L8A8_UINT, GL_LUMINANCE_ALPHA8UI_EXT, GL_LUMINANCE_ALPHA_INTEGER_EXT, GL_UNSIGNED_BYTE},
{ VIRGL_FORMAT_A8_SINT, GL_ALPHA8I_EXT, GL_ALPHA_INTEGER, GL_BYTE},
{ VIRGL_FORMAT_L8_SINT, GL_LUMINANCE8I_EXT, GL_LUMINANCE_INTEGER_EXT, GL_BYTE},
{ VIRGL_FORMAT_L8A8_SINT, GL_LUMINANCE_ALPHA8I_EXT, GL_LUMINANCE_ALPHA_INTEGER_EXT, GL_BYTE},
{ VIRGL_FORMAT_A16_UINT, GL_ALPHA16UI_EXT, GL_ALPHA_INTEGER, GL_UNSIGNED_SHORT},
{ VIRGL_FORMAT_L16_UINT, GL_LUMINANCE16UI_EXT, GL_LUMINANCE_INTEGER_EXT, GL_UNSIGNED_SHORT},
{ VIRGL_FORMAT_L16A16_UINT, GL_LUMINANCE_ALPHA16UI_EXT, GL_LUMINANCE_ALPHA_INTEGER_EXT, GL_UNSIGNED_SHORT},
{ VIRGL_FORMAT_A16_SINT, GL_ALPHA16I_EXT, GL_ALPHA_INTEGER, GL_SHORT},
{ VIRGL_FORMAT_L16_SINT, GL_LUMINANCE16I_EXT, GL_LUMINANCE_INTEGER_EXT, GL_SHORT},
{ VIRGL_FORMAT_L16A16_SINT, GL_LUMINANCE_ALPHA16I_EXT, GL_LUMINANCE_ALPHA_INTEGER_EXT, GL_SHORT},
{ VIRGL_FORMAT_A32_UINT, GL_ALPHA32UI_EXT, GL_ALPHA_INTEGER, GL_UNSIGNED_INT},
{ VIRGL_FORMAT_L32_UINT, GL_LUMINANCE32UI_EXT, GL_LUMINANCE_INTEGER_EXT, GL_UNSIGNED_INT},
{ VIRGL_FORMAT_L32A32_UINT, GL_LUMINANCE_ALPHA32UI_EXT, GL_LUMINANCE_ALPHA_INTEGER_EXT, GL_UNSIGNED_INT},
{ VIRGL_FORMAT_A32_SINT, GL_ALPHA32I_EXT, GL_ALPHA_INTEGER, GL_INT},
{ VIRGL_FORMAT_L32_SINT, GL_LUMINANCE32I_EXT, GL_LUMINANCE_INTEGER_EXT, GL_INT},
{ VIRGL_FORMAT_L32A32_SINT, GL_LUMINANCE_ALPHA32I_EXT, GL_LUMINANCE_ALPHA_INTEGER_EXT, GL_INT},
};
static struct vrend_format_table snorm_formats[] = {
{ VIRGL_FORMAT_R8_SNORM, GL_R8_SNORM, GL_RED, GL_BYTE },
{ VIRGL_FORMAT_R8G8_SNORM, GL_RG8_SNORM, GL_RG, GL_BYTE },
{ VIRGL_FORMAT_R8G8B8A8_SNORM, GL_RGBA8_SNORM, GL_RGBA, GL_BYTE },
{ VIRGL_FORMAT_R8G8B8X8_SNORM, GL_RGBA8_SNORM, GL_RGBA, GL_BYTE },
{ VIRGL_FORMAT_R16_SNORM, GL_R16_SNORM, GL_RED, GL_SHORT },
{ VIRGL_FORMAT_R16G16_SNORM, GL_RG16_SNORM, GL_RG, GL_SHORT },
{ VIRGL_FORMAT_R16G16B16A16_SNORM, GL_RGBA16_SNORM, GL_RGBA, GL_SHORT },
{ VIRGL_FORMAT_R16G16B16X16_SNORM, GL_RGBA16_SNORM, GL_RGBA, GL_SHORT },
};
static struct vrend_format_table snorm_la_formats[] = {
{ VIRGL_FORMAT_A8_SNORM, GL_ALPHA8_SNORM, GL_ALPHA, GL_BYTE },
{ VIRGL_FORMAT_L8_SNORM, GL_LUMINANCE8_SNORM, GL_LUMINANCE, GL_BYTE },
{ VIRGL_FORMAT_L8A8_SNORM, GL_LUMINANCE8_ALPHA8_SNORM, GL_LUMINANCE_ALPHA, GL_BYTE },
{ VIRGL_FORMAT_A16_SNORM, GL_ALPHA16_SNORM, GL_ALPHA, GL_SHORT },
{ VIRGL_FORMAT_L16_SNORM, GL_LUMINANCE16_SNORM, GL_LUMINANCE, GL_SHORT },
{ VIRGL_FORMAT_L16A16_SNORM, GL_LUMINANCE16_ALPHA16_SNORM, GL_LUMINANCE_ALPHA, GL_SHORT },
};
static struct vrend_format_table dxtn_formats[] = {
{ VIRGL_FORMAT_DXT1_RGB, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, GL_RGB, GL_UNSIGNED_BYTE },
{ VIRGL_FORMAT_DXT1_RGBA, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, GL_RGBA, GL_UNSIGNED_BYTE },
{ VIRGL_FORMAT_DXT3_RGBA, GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, GL_RGBA, GL_UNSIGNED_BYTE },
{ VIRGL_FORMAT_DXT5_RGBA, GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, GL_RGBA, GL_UNSIGNED_BYTE },
};
static struct vrend_format_table dxtn_srgb_formats[] = {
{ VIRGL_FORMAT_DXT1_SRGB, GL_COMPRESSED_SRGB_S3TC_DXT1_EXT, GL_RGB, GL_UNSIGNED_BYTE },
{ VIRGL_FORMAT_DXT1_SRGBA, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT, GL_RGBA, GL_UNSIGNED_BYTE },
{ VIRGL_FORMAT_DXT3_SRGBA, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT, GL_RGBA, GL_UNSIGNED_BYTE },
{ VIRGL_FORMAT_DXT5_SRGBA, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT, GL_RGBA, GL_UNSIGNED_BYTE },
};
static struct vrend_format_table rgtc_formats[] = {
{ VIRGL_FORMAT_RGTC1_UNORM, GL_COMPRESSED_RED_RGTC1, GL_RED, GL_UNSIGNED_BYTE },
{ VIRGL_FORMAT_RGTC1_SNORM, GL_COMPRESSED_SIGNED_RED_RGTC1, GL_RED, GL_BYTE },
{ VIRGL_FORMAT_RGTC2_UNORM, GL_COMPRESSED_RG_RGTC2, GL_RG, GL_UNSIGNED_BYTE },
{ VIRGL_FORMAT_RGTC2_SNORM, GL_COMPRESSED_SIGNED_RG_RGTC2, GL_RG, GL_BYTE },
};
static struct vrend_format_table srgb_formats[] = {
{ VIRGL_FORMAT_B8G8R8X8_SRGB, GL_SRGB8_ALPHA8, GL_BGRA, GL_UNSIGNED_BYTE },
{ VIRGL_FORMAT_B8G8R8A8_SRGB, GL_SRGB8_ALPHA8, GL_BGRA, GL_UNSIGNED_BYTE },
{ VIRGL_FORMAT_R8G8B8X8_SRGB, GL_SRGB8_ALPHA8, GL_RGBA, GL_UNSIGNED_BYTE },
{ VIRGL_FORMAT_L8_SRGB, GL_SLUMINANCE8_EXT, GL_LUMINANCE, GL_UNSIGNED_BYTE },
{ VIRGL_FORMAT_L8A8_SRGB, GL_SLUMINANCE8_ALPHA8_EXT, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE },
};
static struct vrend_format_table bit10_formats[] = {
{ VIRGL_FORMAT_B10G10R10X2_UNORM, GL_RGB10_A2, GL_BGRA, GL_UNSIGNED_INT_2_10_10_10_REV },
{ VIRGL_FORMAT_B10G10R10A2_UNORM, GL_RGB10_A2, GL_BGRA, GL_UNSIGNED_INT_2_10_10_10_REV },
{ VIRGL_FORMAT_B10G10R10A2_UINT, GL_RGB10_A2UI, GL_BGRA_INTEGER, GL_UNSIGNED_INT_2_10_10_10_REV },
};
static struct vrend_format_table packed_float_formats[] = {
{ VIRGL_FORMAT_R11G11B10_FLOAT, GL_R11F_G11F_B10F, GL_RGB, GL_UNSIGNED_INT_10F_11F_11F_REV},
};
static struct vrend_format_table exponent_float_formats[] = {
{ VIRGL_FORMAT_R9G9B9E5_FLOAT, GL_RGB9_E5, GL_RGB, GL_UNSIGNED_INT_5_9_9_9_REV},
};
static void vrend_add_formats(struct vrend_format_table *table, int num_entries)
{
int i;
uint32_t binding = 0;
GLuint tex_id, fb_id;
for (i = 0; i < num_entries; i++) {
GLenum status;
bool is_depth = false;
/**/
glGenTextures(1, &tex_id);
glGenFramebuffers(1, &fb_id);
glBindTexture(GL_TEXTURE_2D, tex_id);
glBindFramebuffer(GL_FRAMEBUFFER, fb_id);
glTexImage2D(GL_TEXTURE_2D, 0, table[i].internalformat, 32, 32, 0, table[i].glformat, table[i].gltype, NULL);
status = glGetError();
if (status == GL_INVALID_VALUE) {
struct vrend_format_table *entry = NULL;
uint8_t swizzle[4];
binding = VREND_BIND_SAMPLER | VREND_BIND_RENDER | VREND_BIND_NEED_SWIZZLE;
switch (table[i].format) {
case PIPE_FORMAT_A8_UNORM:
entry = &rg_base_formats[0];
swizzle[0] = swizzle[1] = swizzle[2] = PIPE_SWIZZLE_ZERO;
swizzle[3] = PIPE_SWIZZLE_RED;
break;
case PIPE_FORMAT_A16_UNORM:
entry = &rg_base_formats[2];
swizzle[0] = swizzle[1] = swizzle[2] = PIPE_SWIZZLE_ZERO;
swizzle[3] = PIPE_SWIZZLE_RED;
break;
default:
break;
}
if (entry) {
vrend_insert_format_swizzle(table[i].format, entry, binding, swizzle);
}
glDeleteTextures(1, &tex_id);
glDeleteFramebuffers(1, &fb_id);
continue;
}
if (util_format_is_depth_or_stencil(table[i].format)) {
GLenum attachment;
if (table[i].format == VIRGL_FORMAT_Z24X8_UNORM || table[i].format == VIRGL_FORMAT_Z32_UNORM || table[i].format == VIRGL_FORMAT_Z16_UNORM || table[i].format == VIRGL_FORMAT_Z32_FLOAT)
attachment = GL_DEPTH_ATTACHMENT;
else
attachment = GL_DEPTH_STENCIL_ATTACHMENT;
glFramebufferTexture2D(GL_FRAMEBUFFER_EXT, attachment, GL_TEXTURE_2D, tex_id, 0);
is_depth = true;
glDrawBuffer(GL_NONE);
} else {
glFramebufferTexture2D(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, tex_id, 0);
glDrawBuffer(GL_COLOR_ATTACHMENT0);
}
status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
binding = VREND_BIND_SAMPLER;
if (status == GL_FRAMEBUFFER_COMPLETE)
binding |= (is_depth ? VREND_BIND_DEPTHSTENCIL : VREND_BIND_RENDER);
glDeleteTextures(1, &tex_id);
glDeleteFramebuffers(1, &fb_id);
vrend_insert_format(&table[i], binding);
}
}
#define add_formats(x) vrend_add_formats((x), ARRAY_SIZE((x)))
void vrend_build_format_list(void)
{
add_formats(base_rgba_formats);
add_formats(base_depth_formats);
add_formats(base_la_formats);
/* float support */
add_formats(float_base_formats);
add_formats(float_la_formats);
add_formats(float_3comp_formats);
/* texture integer support ? */
add_formats(integer_base_formats);
add_formats(integer_la_formats);
add_formats(integer_3comp_formats);
/* RG support? */
add_formats(rg_base_formats);
/* integer + rg */
add_formats(integer_rg_formats);
/* float + rg */
add_formats(float_rg_formats);
/* snorm */
add_formats(snorm_formats);
add_formats(snorm_la_formats);
/* compressed */
add_formats(rgtc_formats);
add_formats(dxtn_formats);
add_formats(dxtn_srgb_formats);
add_formats(srgb_formats);
add_formats(bit10_formats);
add_formats(packed_float_formats);
add_formats(exponent_float_formats);
}