/********************************************************** * 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_R16G16B16A16_UNORM: return SVGA3D_A16B16G16R16; 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_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; } }