/**********************************************************
* Copyright 2011 VMware, Inc. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, 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 "pipe/p_format.h"
#include "util/u_debug.h"
#include "util/u_memory.h"
#include "svga_winsys.h"
#include "svga_screen.h"
#include "svga_format.h"
/*
* Translate from gallium format to SVGA3D format.
*/
SVGA3dSurfaceFormat
svga_translate_format(struct svga_screen *ss,
enum pipe_format format,
unsigned bind)
{
switch(format) {
case PIPE_FORMAT_B8G8R8A8_UNORM:
return SVGA3D_A8R8G8B8;
case PIPE_FORMAT_B8G8R8X8_UNORM:
return SVGA3D_X8R8G8B8;
/* sRGB required for GL2.1 */
case PIPE_FORMAT_B8G8R8A8_SRGB:
return SVGA3D_A8R8G8B8;
case PIPE_FORMAT_DXT1_SRGB:
case PIPE_FORMAT_DXT1_SRGBA:
return SVGA3D_DXT1;
case PIPE_FORMAT_DXT3_SRGBA:
return SVGA3D_DXT3;
case PIPE_FORMAT_DXT5_SRGBA:
return SVGA3D_DXT5;
case PIPE_FORMAT_B5G6R5_UNORM:
return SVGA3D_R5G6B5;
case PIPE_FORMAT_B5G5R5A1_UNORM:
return SVGA3D_A1R5G5B5;
case PIPE_FORMAT_B4G4R4A4_UNORM:
return SVGA3D_A4R4G4B4;
case PIPE_FORMAT_Z16_UNORM:
return bind & PIPE_BIND_SAMPLER_VIEW ? ss->depth.z16 : SVGA3D_Z_D16;
case PIPE_FORMAT_S8_UINT_Z24_UNORM:
return bind & PIPE_BIND_SAMPLER_VIEW ? ss->depth.s8z24 : SVGA3D_Z_D24S8;
case PIPE_FORMAT_X8Z24_UNORM:
return bind & PIPE_BIND_SAMPLER_VIEW ? ss->depth.x8z24 : SVGA3D_Z_D24X8;
case PIPE_FORMAT_A8_UNORM:
return SVGA3D_ALPHA8;
case PIPE_FORMAT_L8_UNORM:
return SVGA3D_LUMINANCE8;
case PIPE_FORMAT_DXT1_RGB:
case PIPE_FORMAT_DXT1_RGBA:
return SVGA3D_DXT1;
case PIPE_FORMAT_DXT3_RGBA:
return SVGA3D_DXT3;
case PIPE_FORMAT_DXT5_RGBA:
return SVGA3D_DXT5;
/* Float formats (only 1, 2 and 4-component formats supported) */
case PIPE_FORMAT_R32_FLOAT:
return SVGA3D_R_S23E8;
case PIPE_FORMAT_R32G32_FLOAT:
return SVGA3D_RG_S23E8;
case PIPE_FORMAT_R32G32B32A32_FLOAT:
return SVGA3D_ARGB_S23E8;
case PIPE_FORMAT_R16_FLOAT:
return SVGA3D_R_S10E5;
case PIPE_FORMAT_R16G16_FLOAT:
return SVGA3D_RG_S10E5;
case PIPE_FORMAT_R16G16B16A16_FLOAT:
return SVGA3D_ARGB_S10E5;
case PIPE_FORMAT_Z32_UNORM:
/* SVGA3D_Z_D32 is not yet unsupported */
/* fall-through */
default:
return SVGA3D_FORMAT_INVALID;
}
}
/*
* Format capability description entry.
*/
struct format_cap {
SVGA3dSurfaceFormat format;
/*
* Capability index corresponding to the format.
*/
SVGA3dDevCapIndex index;
/*
* Mask of supported SVGA3dFormatOp operations, to be inferred when the
* capability is not explicitly present.
*/
uint32 defaultOperations;
};
/*
* Format capability description table.
*
* Ordererd by increasing SVGA3dSurfaceFormat value, but with gaps.
*/
static const struct format_cap format_cap_table[] = {
{
SVGA3D_X8R8G8B8,
SVGA3D_DEVCAP_SURFACEFMT_X8R8G8B8,
SVGA3DFORMAT_OP_TEXTURE |
SVGA3DFORMAT_OP_CUBETEXTURE |
SVGA3DFORMAT_OP_VOLUMETEXTURE |
SVGA3DFORMAT_OP_DISPLAYMODE |
SVGA3DFORMAT_OP_3DACCELERATION |
SVGA3DFORMAT_OP_CONVERT_TO_ARGB |
SVGA3DFORMAT_OP_MEMBEROFGROUP_ARGB |
SVGA3DFORMAT_OP_OFFSCREENPLAIN |
SVGA3DFORMAT_OP_SRGBREAD |
SVGA3DFORMAT_OP_SRGBWRITE |
SVGA3DFORMAT_OP_SAME_FORMAT_RENDERTARGET |
SVGA3DFORMAT_OP_OFFSCREEN_RENDERTARGET
},
{
SVGA3D_A8R8G8B8,
SVGA3D_DEVCAP_SURFACEFMT_A8R8G8B8,
SVGA3DFORMAT_OP_TEXTURE |
SVGA3DFORMAT_OP_CUBETEXTURE |
SVGA3DFORMAT_OP_VOLUMETEXTURE |
SVGA3DFORMAT_OP_CONVERT_TO_ARGB |
SVGA3DFORMAT_OP_MEMBEROFGROUP_ARGB |
SVGA3DFORMAT_OP_OFFSCREENPLAIN |
SVGA3DFORMAT_OP_SRGBREAD |
SVGA3DFORMAT_OP_SRGBWRITE |
SVGA3DFORMAT_OP_SAME_FORMAT_RENDERTARGET |
SVGA3DFORMAT_OP_SAME_FORMAT_UP_TO_ALPHA_RENDERTARGET |
SVGA3DFORMAT_OP_OFFSCREEN_RENDERTARGET
},
{
SVGA3D_R5G6B5,
SVGA3D_DEVCAP_SURFACEFMT_R5G6B5,
SVGA3DFORMAT_OP_TEXTURE |
SVGA3DFORMAT_OP_CUBETEXTURE |
SVGA3DFORMAT_OP_VOLUMETEXTURE |
SVGA3DFORMAT_OP_DISPLAYMODE |
SVGA3DFORMAT_OP_3DACCELERATION |
SVGA3DFORMAT_OP_CONVERT_TO_ARGB |
SVGA3DFORMAT_OP_MEMBEROFGROUP_ARGB |
SVGA3DFORMAT_OP_OFFSCREENPLAIN |
SVGA3DFORMAT_OP_SRGBREAD |
SVGA3DFORMAT_OP_SRGBWRITE |
SVGA3DFORMAT_OP_SAME_FORMAT_RENDERTARGET |
SVGA3DFORMAT_OP_OFFSCREEN_RENDERTARGET
},
{
SVGA3D_X1R5G5B5,
SVGA3D_DEVCAP_SURFACEFMT_X1R5G5B5,
SVGA3DFORMAT_OP_TEXTURE |
SVGA3DFORMAT_OP_CUBETEXTURE |
SVGA3DFORMAT_OP_VOLUMETEXTURE |
SVGA3DFORMAT_OP_CONVERT_TO_ARGB |
SVGA3DFORMAT_OP_MEMBEROFGROUP_ARGB |
SVGA3DFORMAT_OP_OFFSCREENPLAIN |
SVGA3DFORMAT_OP_SRGBREAD |
SVGA3DFORMAT_OP_SRGBWRITE |
SVGA3DFORMAT_OP_SAME_FORMAT_RENDERTARGET |
SVGA3DFORMAT_OP_OFFSCREEN_RENDERTARGET
},
{
SVGA3D_A1R5G5B5,
SVGA3D_DEVCAP_SURFACEFMT_A1R5G5B5,
SVGA3DFORMAT_OP_TEXTURE |
SVGA3DFORMAT_OP_CUBETEXTURE |
SVGA3DFORMAT_OP_VOLUMETEXTURE |
SVGA3DFORMAT_OP_CONVERT_TO_ARGB |
SVGA3DFORMAT_OP_MEMBEROFGROUP_ARGB |
SVGA3DFORMAT_OP_OFFSCREENPLAIN |
SVGA3DFORMAT_OP_SRGBREAD |
SVGA3DFORMAT_OP_SRGBWRITE |
SVGA3DFORMAT_OP_SAME_FORMAT_RENDERTARGET |
SVGA3DFORMAT_OP_SAME_FORMAT_UP_TO_ALPHA_RENDERTARGET |
SVGA3DFORMAT_OP_OFFSCREEN_RENDERTARGET
},
{
SVGA3D_A4R4G4B4,
SVGA3D_DEVCAP_SURFACEFMT_A4R4G4B4,
SVGA3DFORMAT_OP_TEXTURE |
SVGA3DFORMAT_OP_CUBETEXTURE |
SVGA3DFORMAT_OP_VOLUMETEXTURE |
SVGA3DFORMAT_OP_OFFSCREENPLAIN |
SVGA3DFORMAT_OP_SRGBREAD |
SVGA3DFORMAT_OP_SRGBWRITE |
SVGA3DFORMAT_OP_SAME_FORMAT_RENDERTARGET |
SVGA3DFORMAT_OP_SAME_FORMAT_UP_TO_ALPHA_RENDERTARGET |
SVGA3DFORMAT_OP_OFFSCREEN_RENDERTARGET
},
/*
* SVGA3D_Z_D32 is not yet supported, and has no corresponding
* SVGA3D_DEVCAP_xxx.
*/
{
SVGA3D_Z_D16,
SVGA3D_DEVCAP_SURFACEFMT_Z_D16,
SVGA3DFORMAT_OP_ZSTENCIL |
SVGA3DFORMAT_OP_ZSTENCIL_WITH_ARBITRARY_COLOR_DEPTH
},
{
SVGA3D_Z_D24S8,
SVGA3D_DEVCAP_SURFACEFMT_Z_D24S8,
SVGA3DFORMAT_OP_ZSTENCIL |
SVGA3DFORMAT_OP_ZSTENCIL_WITH_ARBITRARY_COLOR_DEPTH
},
{
SVGA3D_Z_D15S1,
SVGA3D_DEVCAP_MAX,
SVGA3DFORMAT_OP_ZSTENCIL |
SVGA3DFORMAT_OP_ZSTENCIL_WITH_ARBITRARY_COLOR_DEPTH
},
{
SVGA3D_LUMINANCE8,
SVGA3D_DEVCAP_SURFACEFMT_LUMINANCE8,
SVGA3DFORMAT_OP_TEXTURE |
SVGA3DFORMAT_OP_CUBETEXTURE |
SVGA3DFORMAT_OP_VOLUMETEXTURE |
SVGA3DFORMAT_OP_OFFSCREENPLAIN
},
{
SVGA3D_LUMINANCE8_ALPHA8,
SVGA3D_DEVCAP_SURFACEFMT_LUMINANCE8_ALPHA8,
SVGA3DFORMAT_OP_TEXTURE |
SVGA3DFORMAT_OP_CUBETEXTURE |
SVGA3DFORMAT_OP_VOLUMETEXTURE |
SVGA3DFORMAT_OP_OFFSCREENPLAIN
},
/*
* SVGA3D_LUMINANCE4_ALPHA4 is not supported, and has no corresponding
* SVGA3D_DEVCAP_xxx.
*/
{
SVGA3D_LUMINANCE16,
SVGA3D_DEVCAP_SURFACEFMT_LUMINANCE16,
SVGA3DFORMAT_OP_TEXTURE |
SVGA3DFORMAT_OP_CUBETEXTURE |
SVGA3DFORMAT_OP_VOLUMETEXTURE |
SVGA3DFORMAT_OP_OFFSCREENPLAIN
},
{
SVGA3D_DXT1,
SVGA3D_DEVCAP_SURFACEFMT_DXT1,
SVGA3DFORMAT_OP_TEXTURE |
SVGA3DFORMAT_OP_SRGBREAD |
SVGA3DFORMAT_OP_CUBETEXTURE |
SVGA3DFORMAT_OP_OFFSCREENPLAIN
},
{
SVGA3D_DXT2,
SVGA3D_DEVCAP_SURFACEFMT_DXT2,
SVGA3DFORMAT_OP_TEXTURE |
SVGA3DFORMAT_OP_SRGBREAD |
SVGA3DFORMAT_OP_CUBETEXTURE |
SVGA3DFORMAT_OP_OFFSCREENPLAIN
},
{
SVGA3D_DXT3,
SVGA3D_DEVCAP_SURFACEFMT_DXT3,
SVGA3DFORMAT_OP_TEXTURE |
SVGA3DFORMAT_OP_SRGBREAD |
SVGA3DFORMAT_OP_CUBETEXTURE |
SVGA3DFORMAT_OP_OFFSCREENPLAIN
},
{
SVGA3D_DXT4,
SVGA3D_DEVCAP_SURFACEFMT_DXT4,
SVGA3DFORMAT_OP_TEXTURE |
SVGA3DFORMAT_OP_SRGBREAD |
SVGA3DFORMAT_OP_CUBETEXTURE |
SVGA3DFORMAT_OP_OFFSCREENPLAIN
},
{
SVGA3D_DXT5,
SVGA3D_DEVCAP_SURFACEFMT_DXT5,
SVGA3DFORMAT_OP_TEXTURE |
SVGA3DFORMAT_OP_SRGBREAD |
SVGA3DFORMAT_OP_CUBETEXTURE |
SVGA3DFORMAT_OP_OFFSCREENPLAIN
},
{
SVGA3D_BUMPU8V8,
SVGA3D_DEVCAP_SURFACEFMT_BUMPU8V8,
SVGA3DFORMAT_OP_TEXTURE |
SVGA3DFORMAT_OP_CUBETEXTURE |
SVGA3DFORMAT_OP_VOLUMETEXTURE |
SVGA3DFORMAT_OP_BUMPMAP |
SVGA3DFORMAT_OP_OFFSCREENPLAIN
},
/*
* SVGA3D_BUMPL6V5U5 is unsupported; it has no corresponding
* SVGA3D_DEVCAP_xxx.
*/
{
SVGA3D_BUMPX8L8V8U8,
SVGA3D_DEVCAP_SURFACEFMT_BUMPX8L8V8U8,
SVGA3DFORMAT_OP_TEXTURE |
SVGA3DFORMAT_OP_CUBETEXTURE |
SVGA3DFORMAT_OP_BUMPMAP |
SVGA3DFORMAT_OP_OFFSCREENPLAIN
},
/*
* SVGA3D_BUMPL8V8U8 is unsupported; it has no corresponding
* SVGA3D_DEVCAP_xxx. SVGA3D_BUMPX8L8V8U8 should be used instead.
*/
{
SVGA3D_ARGB_S10E5,
SVGA3D_DEVCAP_SURFACEFMT_ARGB_S10E5,
SVGA3DFORMAT_OP_TEXTURE |
SVGA3DFORMAT_OP_CUBETEXTURE |
SVGA3DFORMAT_OP_VOLUMETEXTURE |
SVGA3DFORMAT_OP_OFFSCREENPLAIN |
SVGA3DFORMAT_OP_SRGBREAD |
SVGA3DFORMAT_OP_SRGBWRITE |
SVGA3DFORMAT_OP_SAME_FORMAT_RENDERTARGET |
SVGA3DFORMAT_OP_OFFSCREEN_RENDERTARGET
},
{
SVGA3D_ARGB_S23E8,
SVGA3D_DEVCAP_SURFACEFMT_ARGB_S23E8,
SVGA3DFORMAT_OP_TEXTURE |
SVGA3DFORMAT_OP_CUBETEXTURE |
SVGA3DFORMAT_OP_VOLUMETEXTURE |
SVGA3DFORMAT_OP_OFFSCREENPLAIN |
SVGA3DFORMAT_OP_SRGBREAD |
SVGA3DFORMAT_OP_SRGBWRITE |
SVGA3DFORMAT_OP_SAME_FORMAT_RENDERTARGET |
SVGA3DFORMAT_OP_OFFSCREEN_RENDERTARGET
},
{
SVGA3D_A2R10G10B10,
SVGA3D_DEVCAP_SURFACEFMT_A2R10G10B10,
SVGA3DFORMAT_OP_TEXTURE |
SVGA3DFORMAT_OP_CUBETEXTURE |
SVGA3DFORMAT_OP_VOLUMETEXTURE |
SVGA3DFORMAT_OP_CONVERT_TO_ARGB |
SVGA3DFORMAT_OP_MEMBEROFGROUP_ARGB |
SVGA3DFORMAT_OP_OFFSCREENPLAIN |
SVGA3DFORMAT_OP_SRGBREAD |
SVGA3DFORMAT_OP_SRGBWRITE |
SVGA3DFORMAT_OP_SAME_FORMAT_RENDERTARGET |
SVGA3DFORMAT_OP_OFFSCREEN_RENDERTARGET
},
/*
* SVGA3D_V8U8 is unsupported; it has no corresponding
* SVGA3D_DEVCAP_xxx. SVGA3D_BUMPU8V8 should be used instead.
*/
{
SVGA3D_Q8W8V8U8,
SVGA3D_DEVCAP_SURFACEFMT_Q8W8V8U8,
SVGA3DFORMAT_OP_TEXTURE |
SVGA3DFORMAT_OP_CUBETEXTURE |
SVGA3DFORMAT_OP_BUMPMAP |
SVGA3DFORMAT_OP_OFFSCREENPLAIN
},
{
SVGA3D_CxV8U8,
SVGA3D_DEVCAP_SURFACEFMT_CxV8U8,
SVGA3DFORMAT_OP_TEXTURE |
SVGA3DFORMAT_OP_BUMPMAP |
SVGA3DFORMAT_OP_OFFSCREENPLAIN
},
/*
* SVGA3D_X8L8V8U8 is unsupported; it has no corresponding
* SVGA3D_DEVCAP_xxx. SVGA3D_BUMPX8L8V8U8 should be used instead.
*/
{
SVGA3D_A2W10V10U10,
SVGA3D_DEVCAP_SURFACEFMT_A2W10V10U10,
SVGA3DFORMAT_OP_TEXTURE |
SVGA3DFORMAT_OP_BUMPMAP |
SVGA3DFORMAT_OP_OFFSCREENPLAIN
},
{
SVGA3D_ALPHA8,
SVGA3D_DEVCAP_SURFACEFMT_ALPHA8,
SVGA3DFORMAT_OP_TEXTURE |
SVGA3DFORMAT_OP_CUBETEXTURE |
SVGA3DFORMAT_OP_VOLUMETEXTURE |
SVGA3DFORMAT_OP_OFFSCREENPLAIN
},
{
SVGA3D_R_S10E5,
SVGA3D_DEVCAP_SURFACEFMT_R_S10E5,
SVGA3DFORMAT_OP_TEXTURE |
SVGA3DFORMAT_OP_VOLUMETEXTURE |
SVGA3DFORMAT_OP_CUBETEXTURE |
SVGA3DFORMAT_OP_OFFSCREENPLAIN |
SVGA3DFORMAT_OP_SRGBREAD |
SVGA3DFORMAT_OP_SRGBWRITE |
SVGA3DFORMAT_OP_SAME_FORMAT_RENDERTARGET |
SVGA3DFORMAT_OP_OFFSCREEN_RENDERTARGET
},
{
SVGA3D_R_S23E8,
SVGA3D_DEVCAP_SURFACEFMT_R_S23E8,
SVGA3DFORMAT_OP_TEXTURE |
SVGA3DFORMAT_OP_VOLUMETEXTURE |
SVGA3DFORMAT_OP_CUBETEXTURE |
SVGA3DFORMAT_OP_OFFSCREENPLAIN |
SVGA3DFORMAT_OP_SRGBREAD |
SVGA3DFORMAT_OP_SRGBWRITE |
SVGA3DFORMAT_OP_SAME_FORMAT_RENDERTARGET |
SVGA3DFORMAT_OP_OFFSCREEN_RENDERTARGET
},
{
SVGA3D_RG_S10E5,
SVGA3D_DEVCAP_SURFACEFMT_RG_S10E5,
SVGA3DFORMAT_OP_TEXTURE |
SVGA3DFORMAT_OP_VOLUMETEXTURE |
SVGA3DFORMAT_OP_CUBETEXTURE |
SVGA3DFORMAT_OP_OFFSCREENPLAIN |
SVGA3DFORMAT_OP_SRGBREAD |
SVGA3DFORMAT_OP_SRGBWRITE |
SVGA3DFORMAT_OP_SAME_FORMAT_RENDERTARGET |
SVGA3DFORMAT_OP_OFFSCREEN_RENDERTARGET
},
{
SVGA3D_RG_S23E8,
SVGA3D_DEVCAP_SURFACEFMT_RG_S23E8,
SVGA3DFORMAT_OP_TEXTURE |
SVGA3DFORMAT_OP_VOLUMETEXTURE |
SVGA3DFORMAT_OP_CUBETEXTURE |
SVGA3DFORMAT_OP_OFFSCREENPLAIN |
SVGA3DFORMAT_OP_SRGBREAD |
SVGA3DFORMAT_OP_SRGBWRITE |
SVGA3DFORMAT_OP_SAME_FORMAT_RENDERTARGET |
SVGA3DFORMAT_OP_OFFSCREEN_RENDERTARGET
},
/*
* SVGA3D_BUFFER is a placeholder format for index/vertex buffers.
*/
{
SVGA3D_Z_D24X8,
SVGA3D_DEVCAP_SURFACEFMT_Z_D24X8,
SVGA3DFORMAT_OP_ZSTENCIL |
SVGA3DFORMAT_OP_ZSTENCIL_WITH_ARBITRARY_COLOR_DEPTH
},
{
SVGA3D_V16U16,
SVGA3D_DEVCAP_SURFACEFMT_V16U16,
SVGA3DFORMAT_OP_TEXTURE |
SVGA3DFORMAT_OP_CUBETEXTURE |
SVGA3DFORMAT_OP_VOLUMETEXTURE |
SVGA3DFORMAT_OP_BUMPMAP |
SVGA3DFORMAT_OP_OFFSCREENPLAIN
},
{
SVGA3D_G16R16,
SVGA3D_DEVCAP_SURFACEFMT_G16R16,
SVGA3DFORMAT_OP_TEXTURE |
SVGA3DFORMAT_OP_CUBETEXTURE |
SVGA3DFORMAT_OP_VOLUMETEXTURE |
SVGA3DFORMAT_OP_OFFSCREENPLAIN |
SVGA3DFORMAT_OP_SAME_FORMAT_RENDERTARGET |
SVGA3DFORMAT_OP_OFFSCREEN_RENDERTARGET
},
{
SVGA3D_A16B16G16R16,
SVGA3D_DEVCAP_SURFACEFMT_A16B16G16R16,
SVGA3DFORMAT_OP_TEXTURE |
SVGA3DFORMAT_OP_CUBETEXTURE |
SVGA3DFORMAT_OP_VOLUMETEXTURE |
SVGA3DFORMAT_OP_OFFSCREENPLAIN |
SVGA3DFORMAT_OP_SAME_FORMAT_RENDERTARGET |
SVGA3DFORMAT_OP_OFFSCREEN_RENDERTARGET
},
{
SVGA3D_UYVY,
SVGA3D_DEVCAP_SURFACEFMT_UYVY,
0
},
{
SVGA3D_YUY2,
SVGA3D_DEVCAP_SURFACEFMT_YUY2,
0
},
{
SVGA3D_NV12,
SVGA3D_DEVCAP_SURFACEFMT_NV12,
0
},
{
SVGA3D_AYUV,
SVGA3D_DEVCAP_SURFACEFMT_AYUV,
0
},
{
SVGA3D_BC4_UNORM,
SVGA3D_DEVCAP_SURFACEFMT_BC4_UNORM,
0
},
{
SVGA3D_BC5_UNORM,
SVGA3D_DEVCAP_SURFACEFMT_BC5_UNORM,
0
},
{
SVGA3D_Z_DF16,
SVGA3D_DEVCAP_SURFACEFMT_Z_DF16,
0
},
{
SVGA3D_Z_DF24,
SVGA3D_DEVCAP_SURFACEFMT_Z_DF24,
0
},
{
SVGA3D_Z_D24S8_INT,
SVGA3D_DEVCAP_SURFACEFMT_Z_D24S8_INT,
0
},
};
/*
* Get format capabilities from the host. It takes in consideration
* deprecated/unsupported formats, and formats which are implicitely assumed to
* be supported when the host does not provide an explicit capability entry.
*/
void
svga_get_format_cap(struct svga_screen *ss,
SVGA3dSurfaceFormat format,
SVGA3dSurfaceFormatCaps *caps)
{
const struct format_cap *entry;
for (entry = format_cap_table; entry < format_cap_table + Elements(format_cap_table); ++entry) {
if (entry->format == format) {
struct svga_winsys_screen *sws = ss->sws;
SVGA3dDevCapResult result;
if (sws->get_cap(sws, entry->index, &result)) {
/* Explicitly advertised format */
caps->value = result.u;
} else {
/* Implicitly advertised format -- use default caps */
caps->value = entry->defaultOperations;
}
return;
}
}
/* Unsupported format */
caps->value = 0;
}
/**
* Return block size and bytes per block for the given SVGA3D format.
* block_width and block_height are one for uncompressed formats and
* greater than one for compressed formats.
* Note: we don't handle formats that are unsupported, according to
* the format_cap_table above.
*/
void
svga_format_size(SVGA3dSurfaceFormat format,
unsigned *block_width,
unsigned *block_height,
unsigned *bytes_per_block)
{
*block_width = *block_height = 1;
switch (format) {
case SVGA3D_X8R8G8B8:
case SVGA3D_A8R8G8B8:
*bytes_per_block = 4;
return;
case SVGA3D_R5G6B5:
case SVGA3D_X1R5G5B5:
case SVGA3D_A1R5G5B5:
case SVGA3D_A4R4G4B4:
*bytes_per_block = 2;
return;
case SVGA3D_Z_D32:
*bytes_per_block = 4;
return;
case SVGA3D_Z_D16:
*bytes_per_block = 2;
return;
case SVGA3D_Z_D24S8:
*bytes_per_block = 4;
return;
case SVGA3D_Z_D15S1:
*bytes_per_block = 2;
return;
case SVGA3D_LUMINANCE8:
case SVGA3D_LUMINANCE4_ALPHA4:
*bytes_per_block = 1;
return;
case SVGA3D_LUMINANCE16:
case SVGA3D_LUMINANCE8_ALPHA8:
*bytes_per_block = 2;
return;
case SVGA3D_DXT1:
case SVGA3D_DXT2:
*block_width = *block_height = 4;
*bytes_per_block = 8;
return;
case SVGA3D_DXT3:
case SVGA3D_DXT4:
case SVGA3D_DXT5:
*block_width = *block_height = 4;
*bytes_per_block = 16;
return;
case SVGA3D_BUMPU8V8:
case SVGA3D_BUMPL6V5U5:
*bytes_per_block = 2;
return;
case SVGA3D_BUMPX8L8V8U8:
*bytes_per_block = 4;
return;
case SVGA3D_ARGB_S10E5:
*bytes_per_block = 8;
return;
case SVGA3D_ARGB_S23E8:
*bytes_per_block = 16;
return;
case SVGA3D_A2R10G10B10:
*bytes_per_block = 4;
return;
case SVGA3D_Q8W8V8U8:
*bytes_per_block = 4;
return;
case SVGA3D_CxV8U8:
*bytes_per_block = 2;
return;
case SVGA3D_X8L8V8U8:
case SVGA3D_A2W10V10U10:
*bytes_per_block = 4;
return;
case SVGA3D_ALPHA8:
*bytes_per_block = 1;
return;
case SVGA3D_R_S10E5:
*bytes_per_block = 2;
return;
case SVGA3D_R_S23E8:
*bytes_per_block = 4;
return;
case SVGA3D_RG_S10E5:
*bytes_per_block = 4;
return;
case SVGA3D_RG_S23E8:
*bytes_per_block = 8;
return;
case SVGA3D_BUFFER:
*bytes_per_block = 1;
return;
case SVGA3D_Z_D24X8:
*bytes_per_block = 4;
return;
case SVGA3D_V16U16:
*bytes_per_block = 4;
return;
case SVGA3D_G16R16:
*bytes_per_block = 4;
return;
case SVGA3D_A16B16G16R16:
*bytes_per_block = 8;
return;
case SVGA3D_Z_DF16:
*bytes_per_block = 2;
return;
case SVGA3D_Z_DF24:
*bytes_per_block = 4;
return;
case SVGA3D_Z_D24S8_INT:
*bytes_per_block = 4;
return;
default:
debug_printf("format %u\n", (unsigned) format);
assert(!"unexpected format in svga_format_size()");
*bytes_per_block = 4;
}
}