michael@0: #include "precompiled.h"
michael@0: //
michael@0: // Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
michael@0: // Use of this source code is governed by a BSD-style license that can be
michael@0: // found in the LICENSE file.
michael@0: //
michael@0: 
michael@0: // renderer11_utils.cpp: Conversion functions and other utility routines
michael@0: // specific to the D3D11 renderer.
michael@0: 
michael@0: #include "libGLESv2/renderer/renderer11_utils.h"
michael@0: 
michael@0: #include "common/debug.h"
michael@0: 
michael@0: namespace gl_d3d11
michael@0: {
michael@0: 
michael@0: D3D11_BLEND ConvertBlendFunc(GLenum glBlend, bool isAlpha)
michael@0: {
michael@0:     D3D11_BLEND d3dBlend = D3D11_BLEND_ZERO;
michael@0: 
michael@0:     switch (glBlend)
michael@0:     {
michael@0:       case GL_ZERO:                     d3dBlend = D3D11_BLEND_ZERO;                break;
michael@0:       case GL_ONE:                      d3dBlend = D3D11_BLEND_ONE;                 break;
michael@0:       case GL_SRC_COLOR:                d3dBlend = (isAlpha ? D3D11_BLEND_SRC_ALPHA : D3D11_BLEND_SRC_COLOR);           break;
michael@0:       case GL_ONE_MINUS_SRC_COLOR:      d3dBlend = (isAlpha ? D3D11_BLEND_INV_SRC_ALPHA : D3D11_BLEND_INV_SRC_COLOR);   break;
michael@0:       case GL_DST_COLOR:                d3dBlend = (isAlpha ? D3D11_BLEND_DEST_ALPHA : D3D11_BLEND_DEST_COLOR);         break;
michael@0:       case GL_ONE_MINUS_DST_COLOR:      d3dBlend = (isAlpha ? D3D11_BLEND_INV_DEST_ALPHA : D3D11_BLEND_INV_DEST_COLOR); break;
michael@0:       case GL_SRC_ALPHA:                d3dBlend = D3D11_BLEND_SRC_ALPHA;           break;
michael@0:       case GL_ONE_MINUS_SRC_ALPHA:      d3dBlend = D3D11_BLEND_INV_SRC_ALPHA;       break;
michael@0:       case GL_DST_ALPHA:                d3dBlend = D3D11_BLEND_DEST_ALPHA;          break;
michael@0:       case GL_ONE_MINUS_DST_ALPHA:      d3dBlend = D3D11_BLEND_INV_DEST_ALPHA;      break;
michael@0:       case GL_CONSTANT_COLOR:           d3dBlend = D3D11_BLEND_BLEND_FACTOR;        break;
michael@0:       case GL_ONE_MINUS_CONSTANT_COLOR: d3dBlend = D3D11_BLEND_INV_BLEND_FACTOR;    break;
michael@0:       case GL_CONSTANT_ALPHA:           d3dBlend = D3D11_BLEND_BLEND_FACTOR;        break;
michael@0:       case GL_ONE_MINUS_CONSTANT_ALPHA: d3dBlend = D3D11_BLEND_INV_BLEND_FACTOR;    break;
michael@0:       case GL_SRC_ALPHA_SATURATE:       d3dBlend = D3D11_BLEND_SRC_ALPHA_SAT;       break;
michael@0:       default: UNREACHABLE();
michael@0:     }
michael@0: 
michael@0:     return d3dBlend;
michael@0: }
michael@0: 
michael@0: D3D11_BLEND_OP ConvertBlendOp(GLenum glBlendOp)
michael@0: {
michael@0:     D3D11_BLEND_OP d3dBlendOp = D3D11_BLEND_OP_ADD;
michael@0: 
michael@0:     switch (glBlendOp)
michael@0:     {
michael@0:       case GL_FUNC_ADD:              d3dBlendOp = D3D11_BLEND_OP_ADD;           break;
michael@0:       case GL_FUNC_SUBTRACT:         d3dBlendOp = D3D11_BLEND_OP_SUBTRACT;      break;
michael@0:       case GL_FUNC_REVERSE_SUBTRACT: d3dBlendOp = D3D11_BLEND_OP_REV_SUBTRACT;  break;
michael@0:       default: UNREACHABLE();
michael@0:     }
michael@0: 
michael@0:     return d3dBlendOp;
michael@0: }
michael@0: 
michael@0: UINT8 ConvertColorMask(bool red, bool green, bool blue, bool alpha)
michael@0: {
michael@0:     UINT8 mask = 0;
michael@0:     if (red)
michael@0:     {
michael@0:         mask |= D3D11_COLOR_WRITE_ENABLE_RED;
michael@0:     }
michael@0:     if (green)
michael@0:     {
michael@0:         mask |= D3D11_COLOR_WRITE_ENABLE_GREEN;
michael@0:     }
michael@0:     if (blue)
michael@0:     {
michael@0:         mask |= D3D11_COLOR_WRITE_ENABLE_BLUE;
michael@0:     }
michael@0:     if (alpha)
michael@0:     {
michael@0:         mask |= D3D11_COLOR_WRITE_ENABLE_ALPHA;
michael@0:     }
michael@0:     return mask;
michael@0: }
michael@0: 
michael@0: D3D11_CULL_MODE ConvertCullMode(bool cullEnabled, GLenum cullMode)
michael@0: {
michael@0:     D3D11_CULL_MODE cull = D3D11_CULL_NONE;
michael@0: 
michael@0:     if (cullEnabled)
michael@0:     {
michael@0:         switch (cullMode)
michael@0:         {
michael@0:           case GL_FRONT:            cull = D3D11_CULL_FRONT;    break;
michael@0:           case GL_BACK:             cull = D3D11_CULL_BACK;     break;
michael@0:           case GL_FRONT_AND_BACK:   cull = D3D11_CULL_NONE;     break;
michael@0:           default: UNREACHABLE();
michael@0:         }
michael@0:     }
michael@0:     else
michael@0:     {
michael@0:         cull = D3D11_CULL_NONE;
michael@0:     }
michael@0: 
michael@0:     return cull;
michael@0: }
michael@0: 
michael@0: D3D11_COMPARISON_FUNC ConvertComparison(GLenum comparison)
michael@0: {
michael@0:     D3D11_COMPARISON_FUNC d3dComp = D3D11_COMPARISON_NEVER;
michael@0:     switch (comparison)
michael@0:     {
michael@0:       case GL_NEVER:    d3dComp = D3D11_COMPARISON_NEVER;           break;
michael@0:       case GL_ALWAYS:   d3dComp = D3D11_COMPARISON_ALWAYS;          break;
michael@0:       case GL_LESS:     d3dComp = D3D11_COMPARISON_LESS;            break;
michael@0:       case GL_LEQUAL:   d3dComp = D3D11_COMPARISON_LESS_EQUAL;      break;
michael@0:       case GL_EQUAL:    d3dComp = D3D11_COMPARISON_EQUAL;           break;
michael@0:       case GL_GREATER:  d3dComp = D3D11_COMPARISON_GREATER;         break;
michael@0:       case GL_GEQUAL:   d3dComp = D3D11_COMPARISON_GREATER_EQUAL;   break;
michael@0:       case GL_NOTEQUAL: d3dComp = D3D11_COMPARISON_NOT_EQUAL;       break;
michael@0:       default: UNREACHABLE();
michael@0:     }
michael@0: 
michael@0:     return d3dComp;
michael@0: }
michael@0: 
michael@0: D3D11_DEPTH_WRITE_MASK ConvertDepthMask(bool depthWriteEnabled)
michael@0: {
michael@0:     return depthWriteEnabled ? D3D11_DEPTH_WRITE_MASK_ALL : D3D11_DEPTH_WRITE_MASK_ZERO;
michael@0: }
michael@0: 
michael@0: UINT8 ConvertStencilMask(GLuint stencilmask)
michael@0: {
michael@0:     return static_cast<UINT8>(stencilmask);
michael@0: }
michael@0: 
michael@0: D3D11_STENCIL_OP ConvertStencilOp(GLenum stencilOp)
michael@0: {
michael@0:     D3D11_STENCIL_OP d3dStencilOp = D3D11_STENCIL_OP_KEEP;
michael@0: 
michael@0:     switch (stencilOp)
michael@0:     {
michael@0:       case GL_ZERO:      d3dStencilOp = D3D11_STENCIL_OP_ZERO;      break;
michael@0:       case GL_KEEP:      d3dStencilOp = D3D11_STENCIL_OP_KEEP;      break;
michael@0:       case GL_REPLACE:   d3dStencilOp = D3D11_STENCIL_OP_REPLACE;   break;
michael@0:       case GL_INCR:      d3dStencilOp = D3D11_STENCIL_OP_INCR_SAT;  break;
michael@0:       case GL_DECR:      d3dStencilOp = D3D11_STENCIL_OP_DECR_SAT;  break;
michael@0:       case GL_INVERT:    d3dStencilOp = D3D11_STENCIL_OP_INVERT;    break;
michael@0:       case GL_INCR_WRAP: d3dStencilOp = D3D11_STENCIL_OP_INCR;      break;
michael@0:       case GL_DECR_WRAP: d3dStencilOp = D3D11_STENCIL_OP_DECR;      break;
michael@0:       default: UNREACHABLE();
michael@0:     }
michael@0: 
michael@0:     return d3dStencilOp;
michael@0: }
michael@0: 
michael@0: D3D11_FILTER ConvertFilter(GLenum minFilter, GLenum magFilter, float maxAnisotropy)
michael@0: {
michael@0:     if (maxAnisotropy > 1.0f)
michael@0:     {
michael@0:         return D3D11_ENCODE_ANISOTROPIC_FILTER(false);
michael@0:     }
michael@0:     else
michael@0:     {
michael@0:         D3D11_FILTER_TYPE dxMin = D3D11_FILTER_TYPE_POINT;
michael@0:         D3D11_FILTER_TYPE dxMip = D3D11_FILTER_TYPE_POINT;
michael@0:         switch (minFilter)
michael@0:         {
michael@0:           case GL_NEAREST:                dxMin = D3D11_FILTER_TYPE_POINT;  dxMip = D3D11_FILTER_TYPE_POINT;  break;
michael@0:           case GL_LINEAR:                 dxMin = D3D11_FILTER_TYPE_LINEAR; dxMip = D3D11_FILTER_TYPE_POINT;  break;
michael@0:           case GL_NEAREST_MIPMAP_NEAREST: dxMin = D3D11_FILTER_TYPE_POINT;  dxMip = D3D11_FILTER_TYPE_POINT;  break;
michael@0:           case GL_LINEAR_MIPMAP_NEAREST:  dxMin = D3D11_FILTER_TYPE_LINEAR; dxMip = D3D11_FILTER_TYPE_POINT;  break;
michael@0:           case GL_NEAREST_MIPMAP_LINEAR:  dxMin = D3D11_FILTER_TYPE_POINT;  dxMip = D3D11_FILTER_TYPE_LINEAR; break;
michael@0:           case GL_LINEAR_MIPMAP_LINEAR:   dxMin = D3D11_FILTER_TYPE_LINEAR; dxMip = D3D11_FILTER_TYPE_LINEAR; break;
michael@0:           default:                        UNREACHABLE();
michael@0:         }
michael@0: 
michael@0:         D3D11_FILTER_TYPE dxMag = D3D11_FILTER_TYPE_POINT;
michael@0:         switch (magFilter)
michael@0:         {
michael@0:           case GL_NEAREST: dxMag = D3D11_FILTER_TYPE_POINT;  break;
michael@0:           case GL_LINEAR:  dxMag = D3D11_FILTER_TYPE_LINEAR; break;
michael@0:           default:         UNREACHABLE();
michael@0:         }
michael@0: 
michael@0:         return D3D11_ENCODE_BASIC_FILTER(dxMin, dxMag, dxMip, false);
michael@0:     }
michael@0: }
michael@0: 
michael@0: D3D11_TEXTURE_ADDRESS_MODE ConvertTextureWrap(GLenum wrap)
michael@0: {
michael@0:     switch (wrap)
michael@0:     {
michael@0:       case GL_REPEAT:          return D3D11_TEXTURE_ADDRESS_WRAP;
michael@0:       case GL_CLAMP_TO_EDGE:   return D3D11_TEXTURE_ADDRESS_CLAMP;
michael@0:       case GL_MIRRORED_REPEAT: return D3D11_TEXTURE_ADDRESS_MIRROR;
michael@0:       default:                 UNREACHABLE();
michael@0:     }
michael@0: 
michael@0:     return D3D11_TEXTURE_ADDRESS_WRAP;
michael@0: }
michael@0: 
michael@0: FLOAT ConvertMinLOD(GLenum minFilter, unsigned int lodOffset)
michael@0: {
michael@0:     return (minFilter == GL_NEAREST || minFilter == GL_LINEAR) ? static_cast<float>(lodOffset) : -FLT_MAX;
michael@0: }
michael@0: 
michael@0: FLOAT ConvertMaxLOD(GLenum minFilter, unsigned int lodOffset)
michael@0: {
michael@0:     return (minFilter == GL_NEAREST || minFilter == GL_LINEAR) ? static_cast<float>(lodOffset) : FLT_MAX;
michael@0: }
michael@0: 
michael@0: }
michael@0: 
michael@0: namespace d3d11_gl
michael@0: {
michael@0: 
michael@0: GLenum ConvertBackBufferFormat(DXGI_FORMAT format)
michael@0: {
michael@0:     switch (format)
michael@0:     {
michael@0:       case DXGI_FORMAT_R8G8B8A8_UNORM: return GL_RGBA8_OES;
michael@0:       case DXGI_FORMAT_B8G8R8A8_UNORM: return GL_BGRA8_EXT;
michael@0:       default:
michael@0:         UNREACHABLE();
michael@0:     }
michael@0: 
michael@0:     return GL_RGBA8_OES;
michael@0: }
michael@0: 
michael@0: GLenum ConvertDepthStencilFormat(DXGI_FORMAT format)
michael@0: {
michael@0:     switch (format)
michael@0:     {
michael@0:       case DXGI_FORMAT_UNKNOWN: return GL_NONE;
michael@0:       case DXGI_FORMAT_D16_UNORM: return GL_DEPTH_COMPONENT16;
michael@0:       case DXGI_FORMAT_D24_UNORM_S8_UINT: return GL_DEPTH24_STENCIL8_OES;
michael@0:       default:
michael@0:         UNREACHABLE();
michael@0:     }
michael@0: 
michael@0:     return GL_DEPTH24_STENCIL8_OES;
michael@0: }
michael@0: 
michael@0: GLenum ConvertRenderbufferFormat(DXGI_FORMAT format)
michael@0: {
michael@0:     switch (format)
michael@0:     {
michael@0:       case DXGI_FORMAT_B8G8R8A8_UNORM:
michael@0:         return GL_BGRA8_EXT;
michael@0:       case DXGI_FORMAT_R8G8B8A8_UNORM:
michael@0:         return GL_RGBA8_OES;
michael@0:       case DXGI_FORMAT_D16_UNORM:
michael@0:         return GL_DEPTH_COMPONENT16;
michael@0:       case DXGI_FORMAT_D24_UNORM_S8_UINT:
michael@0:         return GL_DEPTH24_STENCIL8_OES;
michael@0:       default:
michael@0:         UNREACHABLE();
michael@0:     }
michael@0: 
michael@0:     return GL_RGBA8_OES;
michael@0: }
michael@0: 
michael@0: GLenum ConvertTextureInternalFormat(DXGI_FORMAT format)
michael@0: {
michael@0:     switch (format)
michael@0:     {
michael@0:       case DXGI_FORMAT_R8G8B8A8_UNORM:
michael@0:         return GL_RGBA8_OES;
michael@0:       case DXGI_FORMAT_A8_UNORM:
michael@0:         return GL_ALPHA8_EXT;
michael@0:       case DXGI_FORMAT_BC1_UNORM:
michael@0:         return GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
michael@0:       case DXGI_FORMAT_BC2_UNORM:
michael@0:         return GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE;
michael@0:       case DXGI_FORMAT_BC3_UNORM:
michael@0:         return GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE;
michael@0:       case DXGI_FORMAT_R32G32B32A32_FLOAT:
michael@0:         return GL_RGBA32F_EXT;
michael@0:       case DXGI_FORMAT_R32G32B32_FLOAT:
michael@0:         return GL_RGB32F_EXT;
michael@0:       case DXGI_FORMAT_R16G16B16A16_FLOAT:
michael@0:         return GL_RGBA16F_EXT;
michael@0:       case DXGI_FORMAT_B8G8R8A8_UNORM:
michael@0:         return GL_BGRA8_EXT;
michael@0:       case DXGI_FORMAT_R8_UNORM:
michael@0:         return GL_R8_EXT;
michael@0:       case DXGI_FORMAT_R8G8_UNORM:
michael@0:         return GL_RG8_EXT;
michael@0:       case DXGI_FORMAT_R16_FLOAT:
michael@0:         return GL_R16F_EXT;
michael@0:       case DXGI_FORMAT_R16G16_FLOAT:
michael@0:         return GL_RG16F_EXT;
michael@0:       case DXGI_FORMAT_D16_UNORM:
michael@0:         return GL_DEPTH_COMPONENT16;
michael@0:       case DXGI_FORMAT_D24_UNORM_S8_UINT:
michael@0:         return GL_DEPTH24_STENCIL8_OES;
michael@0:       case DXGI_FORMAT_UNKNOWN:
michael@0:         return GL_NONE;
michael@0:       default:
michael@0:         UNREACHABLE();
michael@0:     }
michael@0: 
michael@0:     return GL_RGBA8_OES;
michael@0: }
michael@0: 
michael@0: }
michael@0: 
michael@0: namespace gl_d3d11
michael@0: {
michael@0: 
michael@0: DXGI_FORMAT ConvertRenderbufferFormat(GLenum format)
michael@0: {
michael@0:     switch (format)
michael@0:     {
michael@0:       case GL_RGBA4:
michael@0:       case GL_RGB5_A1:
michael@0:       case GL_RGBA8_OES:
michael@0:       case GL_RGB565:
michael@0:       case GL_RGB8_OES:
michael@0:         return DXGI_FORMAT_R8G8B8A8_UNORM;
michael@0:       case GL_BGRA8_EXT:
michael@0:         return DXGI_FORMAT_B8G8R8A8_UNORM;
michael@0:       case GL_DEPTH_COMPONENT16:
michael@0:         return DXGI_FORMAT_D16_UNORM;
michael@0:       case GL_STENCIL_INDEX8:
michael@0:       case GL_DEPTH24_STENCIL8_OES:
michael@0:         return DXGI_FORMAT_D24_UNORM_S8_UINT;
michael@0:       default:
michael@0:         UNREACHABLE();
michael@0:     }
michael@0: 
michael@0:     return DXGI_FORMAT_R8G8B8A8_UNORM;
michael@0: }
michael@0: 
michael@0: DXGI_FORMAT ConvertTextureFormat(GLenum internalformat)
michael@0: {
michael@0:     switch (internalformat)
michael@0:     {
michael@0:       case GL_RGB565:
michael@0:       case GL_RGBA4:
michael@0:       case GL_RGB5_A1:
michael@0:       case GL_RGB8_OES:
michael@0:       case GL_RGBA8_OES:
michael@0:       case GL_LUMINANCE8_EXT:
michael@0:       case GL_LUMINANCE8_ALPHA8_EXT:
michael@0:         return DXGI_FORMAT_R8G8B8A8_UNORM;
michael@0:       case GL_ALPHA8_EXT:
michael@0:         return DXGI_FORMAT_A8_UNORM;
michael@0:       case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
michael@0:       case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
michael@0:         return DXGI_FORMAT_BC1_UNORM;
michael@0:       case GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE:
michael@0:         return DXGI_FORMAT_BC2_UNORM;
michael@0:       case GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE:
michael@0:         return DXGI_FORMAT_BC3_UNORM;
michael@0:       case GL_RGBA32F_EXT:
michael@0:       case GL_ALPHA32F_EXT:
michael@0:       case GL_LUMINANCE_ALPHA32F_EXT:
michael@0:         return DXGI_FORMAT_R32G32B32A32_FLOAT;
michael@0:       case GL_RGB32F_EXT:
michael@0:       case GL_LUMINANCE32F_EXT:
michael@0:         return DXGI_FORMAT_R32G32B32A32_FLOAT;
michael@0:       case GL_RGBA16F_EXT:
michael@0:       case GL_ALPHA16F_EXT:
michael@0:       case GL_LUMINANCE_ALPHA16F_EXT:
michael@0:       case GL_RGB16F_EXT:
michael@0:       case GL_LUMINANCE16F_EXT:
michael@0:         return DXGI_FORMAT_R16G16B16A16_FLOAT;
michael@0:       case GL_BGRA8_EXT:
michael@0:         return DXGI_FORMAT_B8G8R8A8_UNORM;
michael@0:       case GL_R8_EXT:
michael@0:         return DXGI_FORMAT_R8_UNORM;
michael@0:       case GL_RG8_EXT:
michael@0:         return DXGI_FORMAT_R8G8_UNORM;
michael@0:       case GL_R16F_EXT:
michael@0:         return DXGI_FORMAT_R16_FLOAT;
michael@0:       case GL_RG16F_EXT:
michael@0:         return DXGI_FORMAT_R16G16_FLOAT;
michael@0:       case GL_DEPTH_COMPONENT16:
michael@0:         return DXGI_FORMAT_D16_UNORM;
michael@0:       case GL_DEPTH_COMPONENT32_OES:
michael@0:       case GL_DEPTH24_STENCIL8_OES:
michael@0:         return DXGI_FORMAT_D24_UNORM_S8_UINT;
michael@0:       case GL_NONE:
michael@0:         return DXGI_FORMAT_UNKNOWN;
michael@0:       default:
michael@0:         UNREACHABLE();
michael@0:     }
michael@0: 
michael@0:     return DXGI_FORMAT_R8G8B8A8_UNORM;
michael@0: }
michael@0: 
michael@0: }
michael@0: 
michael@0: namespace d3d11
michael@0: {
michael@0: 
michael@0: void SetPositionTexCoordVertex(PositionTexCoordVertex* vertex, float x, float y, float u, float v)
michael@0: {
michael@0:     vertex->x = x;
michael@0:     vertex->y = y;
michael@0:     vertex->u = u;
michael@0:     vertex->v = v;
michael@0: }
michael@0: 
michael@0: void SetPositionDepthColorVertex(PositionDepthColorVertex* vertex, float x, float y, float z,
michael@0:                                  const gl::Color &color)
michael@0: {
michael@0:     vertex->x = x;
michael@0:     vertex->y = y;
michael@0:     vertex->z = z;
michael@0:     vertex->r = color.red;
michael@0:     vertex->g = color.green;
michael@0:     vertex->b = color.blue;
michael@0:     vertex->a = color.alpha;
michael@0: }
michael@0: 
michael@0: size_t ComputePixelSizeBits(DXGI_FORMAT format)
michael@0: {
michael@0:     switch (format)
michael@0:     {
michael@0:       case DXGI_FORMAT_R1_UNORM:
michael@0:         return 1;
michael@0: 
michael@0:       case DXGI_FORMAT_A8_UNORM:
michael@0:       case DXGI_FORMAT_R8_SINT:
michael@0:       case DXGI_FORMAT_R8_SNORM:
michael@0:       case DXGI_FORMAT_R8_TYPELESS:
michael@0:       case DXGI_FORMAT_R8_UINT:
michael@0:       case DXGI_FORMAT_R8_UNORM:
michael@0:         return 8;
michael@0: 
michael@0:       case DXGI_FORMAT_B5G5R5A1_UNORM:
michael@0:       case DXGI_FORMAT_B5G6R5_UNORM:
michael@0:       case DXGI_FORMAT_D16_UNORM:
michael@0:       case DXGI_FORMAT_R16_FLOAT:
michael@0:       case DXGI_FORMAT_R16_SINT:
michael@0:       case DXGI_FORMAT_R16_SNORM:
michael@0:       case DXGI_FORMAT_R16_TYPELESS:
michael@0:       case DXGI_FORMAT_R16_UINT:
michael@0:       case DXGI_FORMAT_R16_UNORM:
michael@0:       case DXGI_FORMAT_R8G8_SINT:
michael@0:       case DXGI_FORMAT_R8G8_SNORM:
michael@0:       case DXGI_FORMAT_R8G8_TYPELESS:
michael@0:       case DXGI_FORMAT_R8G8_UINT:
michael@0:       case DXGI_FORMAT_R8G8_UNORM:
michael@0:         return 16;
michael@0: 
michael@0:       case DXGI_FORMAT_B8G8R8X8_TYPELESS:
michael@0:       case DXGI_FORMAT_B8G8R8X8_UNORM:
michael@0:       case DXGI_FORMAT_B8G8R8X8_UNORM_SRGB:
michael@0:       case DXGI_FORMAT_D24_UNORM_S8_UINT:
michael@0:       case DXGI_FORMAT_D32_FLOAT:
michael@0:       case DXGI_FORMAT_D32_FLOAT_S8X24_UINT:
michael@0:       case DXGI_FORMAT_G8R8_G8B8_UNORM:
michael@0:       case DXGI_FORMAT_R10G10B10_XR_BIAS_A2_UNORM:
michael@0:       case DXGI_FORMAT_R10G10B10A2_TYPELESS:
michael@0:       case DXGI_FORMAT_R10G10B10A2_UINT:
michael@0:       case DXGI_FORMAT_R10G10B10A2_UNORM:
michael@0:       case DXGI_FORMAT_R11G11B10_FLOAT:
michael@0:       case DXGI_FORMAT_R16G16_FLOAT:
michael@0:       case DXGI_FORMAT_R16G16_SINT:
michael@0:       case DXGI_FORMAT_R16G16_SNORM:
michael@0:       case DXGI_FORMAT_R16G16_TYPELESS:
michael@0:       case DXGI_FORMAT_R16G16_UINT:
michael@0:       case DXGI_FORMAT_R16G16_UNORM:
michael@0:       case DXGI_FORMAT_R24_UNORM_X8_TYPELESS:
michael@0:       case DXGI_FORMAT_R24G8_TYPELESS:
michael@0:       case DXGI_FORMAT_R32_FLOAT:
michael@0:       case DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS:
michael@0:       case DXGI_FORMAT_R32_SINT:
michael@0:       case DXGI_FORMAT_R32_TYPELESS:
michael@0:       case DXGI_FORMAT_R32_UINT:
michael@0:       case DXGI_FORMAT_R8G8_B8G8_UNORM:
michael@0:       case DXGI_FORMAT_R8G8B8A8_SINT:
michael@0:       case DXGI_FORMAT_R8G8B8A8_SNORM:
michael@0:       case DXGI_FORMAT_R8G8B8A8_TYPELESS:
michael@0:       case DXGI_FORMAT_R8G8B8A8_UINT:
michael@0:       case DXGI_FORMAT_R8G8B8A8_UNORM:
michael@0:       case DXGI_FORMAT_R8G8B8A8_UNORM_SRGB:
michael@0:       case DXGI_FORMAT_B8G8R8A8_TYPELESS:
michael@0:       case DXGI_FORMAT_B8G8R8A8_UNORM:
michael@0:       case DXGI_FORMAT_B8G8R8A8_UNORM_SRGB:
michael@0:       case DXGI_FORMAT_R9G9B9E5_SHAREDEXP:
michael@0:       case DXGI_FORMAT_X24_TYPELESS_G8_UINT:
michael@0:       case DXGI_FORMAT_X32_TYPELESS_G8X24_UINT:
michael@0:         return 32;
michael@0: 
michael@0:       case DXGI_FORMAT_R16G16B16A16_FLOAT:
michael@0:       case DXGI_FORMAT_R16G16B16A16_SINT:
michael@0:       case DXGI_FORMAT_R16G16B16A16_SNORM:
michael@0:       case DXGI_FORMAT_R16G16B16A16_TYPELESS:
michael@0:       case DXGI_FORMAT_R16G16B16A16_UINT:
michael@0:       case DXGI_FORMAT_R16G16B16A16_UNORM:
michael@0:       case DXGI_FORMAT_R32G32_FLOAT:
michael@0:       case DXGI_FORMAT_R32G32_SINT:
michael@0:       case DXGI_FORMAT_R32G32_TYPELESS:
michael@0:       case DXGI_FORMAT_R32G32_UINT:
michael@0:       case DXGI_FORMAT_R32G8X24_TYPELESS:
michael@0:         return 64;
michael@0: 
michael@0:       case DXGI_FORMAT_R32G32B32_FLOAT:
michael@0:       case DXGI_FORMAT_R32G32B32_SINT:
michael@0:       case DXGI_FORMAT_R32G32B32_TYPELESS:
michael@0:       case DXGI_FORMAT_R32G32B32_UINT:
michael@0:         return 96;
michael@0: 
michael@0:       case DXGI_FORMAT_R32G32B32A32_FLOAT:
michael@0:       case DXGI_FORMAT_R32G32B32A32_SINT:
michael@0:       case DXGI_FORMAT_R32G32B32A32_TYPELESS:
michael@0:       case DXGI_FORMAT_R32G32B32A32_UINT:
michael@0:         return 128;
michael@0: 
michael@0:       case DXGI_FORMAT_BC1_TYPELESS:
michael@0:       case DXGI_FORMAT_BC1_UNORM:
michael@0:       case DXGI_FORMAT_BC1_UNORM_SRGB:
michael@0:       case DXGI_FORMAT_BC4_SNORM:
michael@0:       case DXGI_FORMAT_BC4_TYPELESS:
michael@0:       case DXGI_FORMAT_BC4_UNORM:
michael@0:         return 4;
michael@0: 
michael@0:       case DXGI_FORMAT_BC2_TYPELESS:
michael@0:       case DXGI_FORMAT_BC2_UNORM:
michael@0:       case DXGI_FORMAT_BC2_UNORM_SRGB:
michael@0:       case DXGI_FORMAT_BC3_TYPELESS:
michael@0:       case DXGI_FORMAT_BC3_UNORM:
michael@0:       case DXGI_FORMAT_BC3_UNORM_SRGB:
michael@0:       case DXGI_FORMAT_BC5_SNORM:
michael@0:       case DXGI_FORMAT_BC5_TYPELESS:
michael@0:       case DXGI_FORMAT_BC5_UNORM:
michael@0:       case DXGI_FORMAT_BC6H_SF16:
michael@0:       case DXGI_FORMAT_BC6H_TYPELESS:
michael@0:       case DXGI_FORMAT_BC6H_UF16:
michael@0:       case DXGI_FORMAT_BC7_TYPELESS:
michael@0:       case DXGI_FORMAT_BC7_UNORM:
michael@0:       case DXGI_FORMAT_BC7_UNORM_SRGB:
michael@0:         return 8;
michael@0: 
michael@0:       default:
michael@0:         return 0;
michael@0:     }
michael@0: }
michael@0: 
michael@0: size_t ComputeBlockSizeBits(DXGI_FORMAT format)
michael@0: {
michael@0:     switch (format)
michael@0:     {
michael@0:       case DXGI_FORMAT_BC1_TYPELESS:
michael@0:       case DXGI_FORMAT_BC1_UNORM:
michael@0:       case DXGI_FORMAT_BC1_UNORM_SRGB:
michael@0:       case DXGI_FORMAT_BC4_SNORM:
michael@0:       case DXGI_FORMAT_BC4_TYPELESS:
michael@0:       case DXGI_FORMAT_BC4_UNORM:
michael@0:       case DXGI_FORMAT_BC2_TYPELESS:
michael@0:       case DXGI_FORMAT_BC2_UNORM:
michael@0:       case DXGI_FORMAT_BC2_UNORM_SRGB:
michael@0:       case DXGI_FORMAT_BC3_TYPELESS:
michael@0:       case DXGI_FORMAT_BC3_UNORM:
michael@0:       case DXGI_FORMAT_BC3_UNORM_SRGB:
michael@0:       case DXGI_FORMAT_BC5_SNORM:
michael@0:       case DXGI_FORMAT_BC5_TYPELESS:
michael@0:       case DXGI_FORMAT_BC5_UNORM:
michael@0:       case DXGI_FORMAT_BC6H_SF16:
michael@0:       case DXGI_FORMAT_BC6H_TYPELESS:
michael@0:       case DXGI_FORMAT_BC6H_UF16:
michael@0:       case DXGI_FORMAT_BC7_TYPELESS:
michael@0:       case DXGI_FORMAT_BC7_UNORM:
michael@0:       case DXGI_FORMAT_BC7_UNORM_SRGB:
michael@0:         return ComputePixelSizeBits(format) * 16;
michael@0:       default:
michael@0:         UNREACHABLE();
michael@0:         return 0;
michael@0:     }
michael@0: }
michael@0: 
michael@0: bool IsCompressed(DXGI_FORMAT format)
michael@0: {
michael@0:     switch (format)
michael@0:     {
michael@0:       case DXGI_FORMAT_BC1_TYPELESS:
michael@0:       case DXGI_FORMAT_BC1_UNORM:
michael@0:       case DXGI_FORMAT_BC1_UNORM_SRGB:
michael@0:       case DXGI_FORMAT_BC4_SNORM:
michael@0:       case DXGI_FORMAT_BC4_TYPELESS:
michael@0:       case DXGI_FORMAT_BC4_UNORM:
michael@0:       case DXGI_FORMAT_BC2_TYPELESS:
michael@0:       case DXGI_FORMAT_BC2_UNORM:
michael@0:       case DXGI_FORMAT_BC2_UNORM_SRGB:
michael@0:       case DXGI_FORMAT_BC3_TYPELESS:
michael@0:       case DXGI_FORMAT_BC3_UNORM:
michael@0:       case DXGI_FORMAT_BC3_UNORM_SRGB:
michael@0:       case DXGI_FORMAT_BC5_SNORM:
michael@0:       case DXGI_FORMAT_BC5_TYPELESS:
michael@0:       case DXGI_FORMAT_BC5_UNORM:
michael@0:       case DXGI_FORMAT_BC6H_SF16:
michael@0:       case DXGI_FORMAT_BC6H_TYPELESS:
michael@0:       case DXGI_FORMAT_BC6H_UF16:
michael@0:       case DXGI_FORMAT_BC7_TYPELESS:
michael@0:       case DXGI_FORMAT_BC7_UNORM:
michael@0:       case DXGI_FORMAT_BC7_UNORM_SRGB:
michael@0:         return true;
michael@0:       case DXGI_FORMAT_UNKNOWN:
michael@0:         UNREACHABLE();
michael@0:         return false;
michael@0:       default:
michael@0:         return false;
michael@0:     }
michael@0: }
michael@0: 
michael@0: unsigned int GetTextureFormatDimensionAlignment(DXGI_FORMAT format)
michael@0: {
michael@0:     switch (format)
michael@0:     {
michael@0:       case DXGI_FORMAT_BC1_TYPELESS:
michael@0:       case DXGI_FORMAT_BC1_UNORM:
michael@0:       case DXGI_FORMAT_BC1_UNORM_SRGB:
michael@0:       case DXGI_FORMAT_BC4_SNORM:
michael@0:       case DXGI_FORMAT_BC4_TYPELESS:
michael@0:       case DXGI_FORMAT_BC4_UNORM:
michael@0:       case DXGI_FORMAT_BC2_TYPELESS:
michael@0:       case DXGI_FORMAT_BC2_UNORM:
michael@0:       case DXGI_FORMAT_BC2_UNORM_SRGB:
michael@0:       case DXGI_FORMAT_BC3_TYPELESS:
michael@0:       case DXGI_FORMAT_BC3_UNORM:
michael@0:       case DXGI_FORMAT_BC3_UNORM_SRGB:
michael@0:       case DXGI_FORMAT_BC5_SNORM:
michael@0:       case DXGI_FORMAT_BC5_TYPELESS:
michael@0:       case DXGI_FORMAT_BC5_UNORM:
michael@0:       case DXGI_FORMAT_BC6H_SF16:
michael@0:       case DXGI_FORMAT_BC6H_TYPELESS:
michael@0:       case DXGI_FORMAT_BC6H_UF16:
michael@0:       case DXGI_FORMAT_BC7_TYPELESS:
michael@0:       case DXGI_FORMAT_BC7_UNORM:
michael@0:       case DXGI_FORMAT_BC7_UNORM_SRGB:
michael@0:         return 4;
michael@0:       case DXGI_FORMAT_UNKNOWN:
michael@0:         UNREACHABLE();
michael@0:         return 1;
michael@0:       default:
michael@0:         return 1;
michael@0:     }
michael@0: }
michael@0: 
michael@0: bool IsDepthStencilFormat(DXGI_FORMAT format)
michael@0: {
michael@0:     switch (format)
michael@0:     {
michael@0:       case DXGI_FORMAT_D32_FLOAT_S8X24_UINT:
michael@0:       case DXGI_FORMAT_D32_FLOAT:
michael@0:       case DXGI_FORMAT_D24_UNORM_S8_UINT:
michael@0:       case DXGI_FORMAT_D16_UNORM:
michael@0:         return true;
michael@0:       default:
michael@0:         return false;
michael@0:     }
michael@0: }
michael@0: 
michael@0: DXGI_FORMAT GetDepthTextureFormat(DXGI_FORMAT format)
michael@0: {
michael@0:     switch (format)
michael@0:     {
michael@0:       case DXGI_FORMAT_D32_FLOAT_S8X24_UINT: return DXGI_FORMAT_R32G8X24_TYPELESS;
michael@0:       case DXGI_FORMAT_D32_FLOAT:            return DXGI_FORMAT_R32_TYPELESS;
michael@0:       case DXGI_FORMAT_D24_UNORM_S8_UINT:    return DXGI_FORMAT_R24G8_TYPELESS;
michael@0:       case DXGI_FORMAT_D16_UNORM:            return DXGI_FORMAT_R16_TYPELESS;
michael@0:       default: UNREACHABLE();                return DXGI_FORMAT_UNKNOWN;
michael@0:     }
michael@0: }
michael@0: 
michael@0: DXGI_FORMAT GetDepthShaderResourceFormat(DXGI_FORMAT format)
michael@0: {
michael@0:     switch (format)
michael@0:     {
michael@0:       case DXGI_FORMAT_D32_FLOAT_S8X24_UINT: return DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS;
michael@0:       case DXGI_FORMAT_D32_FLOAT:            return DXGI_FORMAT_R32_UINT;
michael@0:       case DXGI_FORMAT_D24_UNORM_S8_UINT:    return DXGI_FORMAT_R24_UNORM_X8_TYPELESS;
michael@0:       case DXGI_FORMAT_D16_UNORM:            return DXGI_FORMAT_R16_UNORM;
michael@0:       default: UNREACHABLE();                return DXGI_FORMAT_UNKNOWN;
michael@0:     }
michael@0: }
michael@0: 
michael@0: HRESULT SetDebugName(ID3D11DeviceChild *resource, const char *name)
michael@0: {
michael@0: #if defined(_DEBUG)
michael@0:     return resource->SetPrivateData(WKPDID_D3DDebugObjectName, strlen(name), name);
michael@0: #else
michael@0:     return S_OK;
michael@0: #endif
michael@0: }
michael@0: 
michael@0: }