diff options
Diffstat (limited to 'src/gallium/drivers/svga/svga_format.c')
| -rw-r--r-- | src/gallium/drivers/svga/svga_format.c | 562 |
1 files changed, 562 insertions, 0 deletions
diff --git a/src/gallium/drivers/svga/svga_format.c b/src/gallium/drivers/svga/svga_format.c new file mode 100644 index 00000000000..1b3f716a333 --- /dev/null +++ b/src/gallium/drivers/svga/svga_format.c @@ -0,0 +1,562 @@ +/********************************************************** + * 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; + + /* Required for GL2.1: + */ + case PIPE_FORMAT_B8G8R8A8_SRGB: + return SVGA3D_A8R8G8B8; + + 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_USCALED_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; + + 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; +} |