| // |
| // Copyright (c) 2012 The ANGLE Project Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| // |
| |
| // renderer11_utils.cpp: Conversion functions and other utility routines |
| // specific to the D3D11 renderer. |
| |
| #include "libGLESv2/renderer/renderer11_utils.h" |
| |
| #include "common/debug.h" |
| |
| namespace gl_d3d11 |
| { |
| |
| D3D11_BLEND ConvertBlendFunc(GLenum glBlend) |
| { |
| D3D11_BLEND d3dBlend = D3D11_BLEND_ZERO; |
| |
| switch (glBlend) |
| { |
| case GL_ZERO: d3dBlend = D3D11_BLEND_ZERO; break; |
| case GL_ONE: d3dBlend = D3D11_BLEND_ONE; break; |
| case GL_SRC_COLOR: d3dBlend = D3D11_BLEND_SRC_COLOR; break; |
| case GL_ONE_MINUS_SRC_COLOR: d3dBlend = D3D11_BLEND_INV_SRC_COLOR; break; |
| case GL_DST_COLOR: d3dBlend = D3D11_BLEND_DEST_COLOR; break; |
| case GL_ONE_MINUS_DST_COLOR: d3dBlend = D3D11_BLEND_INV_DEST_COLOR; break; |
| case GL_SRC_ALPHA: d3dBlend = D3D11_BLEND_SRC_ALPHA; break; |
| case GL_ONE_MINUS_SRC_ALPHA: d3dBlend = D3D11_BLEND_INV_SRC_ALPHA; break; |
| case GL_DST_ALPHA: d3dBlend = D3D11_BLEND_DEST_ALPHA; break; |
| case GL_ONE_MINUS_DST_ALPHA: d3dBlend = D3D11_BLEND_INV_DEST_ALPHA; break; |
| case GL_CONSTANT_COLOR: d3dBlend = D3D11_BLEND_BLEND_FACTOR; break; |
| case GL_ONE_MINUS_CONSTANT_COLOR: d3dBlend = D3D11_BLEND_INV_BLEND_FACTOR; break; |
| case GL_CONSTANT_ALPHA: d3dBlend = D3D11_BLEND_BLEND_FACTOR; break; |
| case GL_ONE_MINUS_CONSTANT_ALPHA: d3dBlend = D3D11_BLEND_INV_BLEND_FACTOR; break; |
| case GL_SRC_ALPHA_SATURATE: d3dBlend = D3D11_BLEND_SRC_ALPHA_SAT; break; |
| default: UNREACHABLE(); |
| } |
| |
| return d3dBlend; |
| } |
| |
| D3D11_BLEND_OP ConvertBlendOp(GLenum glBlendOp) |
| { |
| D3D11_BLEND_OP d3dBlendOp = D3D11_BLEND_OP_ADD; |
| |
| switch (glBlendOp) |
| { |
| case GL_FUNC_ADD: d3dBlendOp = D3D11_BLEND_OP_ADD; break; |
| case GL_FUNC_SUBTRACT: d3dBlendOp = D3D11_BLEND_OP_SUBTRACT; break; |
| case GL_FUNC_REVERSE_SUBTRACT: d3dBlendOp = D3D11_BLEND_OP_REV_SUBTRACT; break; |
| default: UNREACHABLE(); |
| } |
| |
| return d3dBlendOp; |
| } |
| |
| UINT8 ConvertColorMask(bool red, bool green, bool blue, bool alpha) |
| { |
| UINT8 mask = 0; |
| if (red) |
| { |
| mask |= D3D11_COLOR_WRITE_ENABLE_RED; |
| } |
| if (green) |
| { |
| mask |= D3D11_COLOR_WRITE_ENABLE_GREEN; |
| } |
| if (blue) |
| { |
| mask |= D3D11_COLOR_WRITE_ENABLE_BLUE; |
| } |
| if (alpha) |
| { |
| mask |= D3D11_COLOR_WRITE_ENABLE_ALPHA; |
| } |
| return mask; |
| } |
| |
| D3D11_CULL_MODE ConvertCullMode(bool cullEnabled, GLenum cullMode) |
| { |
| D3D11_CULL_MODE cull = D3D11_CULL_NONE; |
| |
| if (cullEnabled) |
| { |
| switch (cullMode) |
| { |
| case GL_FRONT: cull = D3D11_CULL_FRONT; break; |
| case GL_BACK: cull = D3D11_CULL_BACK; break; |
| case GL_FRONT_AND_BACK: cull = D3D11_CULL_NONE; break; |
| default: UNREACHABLE(); |
| } |
| } |
| else |
| { |
| cull = D3D11_CULL_NONE; |
| } |
| |
| return cull; |
| } |
| |
| } |
| |
| namespace d3d11_gl |
| { |
| |
| GLenum ConvertBackBufferFormat(DXGI_FORMAT format) |
| { |
| switch (format) |
| { |
| case DXGI_FORMAT_R8G8B8A8_UNORM: return GL_RGBA8_OES; |
| default: |
| UNREACHABLE(); |
| } |
| |
| return GL_RGBA8_OES; |
| } |
| |
| GLenum ConvertDepthStencilFormat(DXGI_FORMAT format) |
| { |
| switch (format) |
| { |
| case DXGI_FORMAT_D24_UNORM_S8_UINT: return GL_DEPTH24_STENCIL8_OES; |
| default: |
| UNREACHABLE(); |
| } |
| |
| return GL_DEPTH24_STENCIL8_OES; |
| } |
| |
| GLenum ConvertRenderbufferFormat(DXGI_FORMAT format) |
| { |
| switch (format) |
| { |
| case DXGI_FORMAT_R8G8B8A8_UNORM: |
| return GL_RGBA8_OES; |
| case DXGI_FORMAT_D24_UNORM_S8_UINT: |
| return GL_DEPTH24_STENCIL8_OES; |
| default: |
| UNREACHABLE(); |
| } |
| |
| return GL_RGBA8_OES; |
| } |
| |
| GLenum ConvertTextureInternalFormat(DXGI_FORMAT format) |
| { |
| switch (format) |
| { |
| case DXGI_FORMAT_R8G8B8A8_UNORM: |
| return GL_RGBA8_OES; |
| case DXGI_FORMAT_A8_UNORM: |
| return GL_ALPHA8_EXT; |
| case DXGI_FORMAT_BC1_UNORM: |
| return GL_COMPRESSED_RGBA_S3TC_DXT1_EXT; |
| case DXGI_FORMAT_BC2_UNORM: |
| return GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE; |
| case DXGI_FORMAT_BC3_UNORM: |
| return GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE; |
| case DXGI_FORMAT_R32G32B32A32_FLOAT: |
| return GL_RGBA32F_EXT; |
| case DXGI_FORMAT_R32G32B32_FLOAT: |
| return GL_RGB32F_EXT; |
| case DXGI_FORMAT_R16G16B16A16_FLOAT: |
| return GL_RGBA16F_EXT; |
| case DXGI_FORMAT_B8G8R8A8_UNORM: |
| return GL_BGRA8_EXT; |
| case DXGI_FORMAT_R8_UNORM: |
| return GL_R8_EXT; |
| case DXGI_FORMAT_R8G8_UNORM: |
| return GL_RG8_EXT; |
| case DXGI_FORMAT_R16_FLOAT: |
| return GL_R16F_EXT; |
| case DXGI_FORMAT_R16G16_FLOAT: |
| return GL_RG16F_EXT; |
| case DXGI_FORMAT_D24_UNORM_S8_UINT: |
| return GL_DEPTH24_STENCIL8_OES; |
| default: |
| UNREACHABLE(); |
| } |
| |
| return GL_RGBA8_OES; |
| } |
| |
| } |
| |
| namespace gl_d3d11 |
| { |
| |
| DXGI_FORMAT ConvertRenderbufferFormat(GLenum format) |
| { |
| switch (format) |
| { |
| case GL_RGBA4: |
| case GL_RGB5_A1: |
| case GL_RGBA8_OES: |
| case GL_RGB565: |
| case GL_RGB8_OES: |
| return DXGI_FORMAT_R8G8B8A8_UNORM; |
| case GL_DEPTH_COMPONENT16: |
| case GL_STENCIL_INDEX8: |
| case GL_DEPTH24_STENCIL8_OES: |
| return DXGI_FORMAT_D24_UNORM_S8_UINT; |
| default: |
| UNREACHABLE(); |
| } |
| |
| return DXGI_FORMAT_R8G8B8A8_UNORM; |
| } |
| |
| DXGI_FORMAT ConvertTextureFormat(GLenum internalformat) |
| { |
| switch (internalformat) |
| { |
| case GL_RGB565: |
| case GL_RGBA4: |
| case GL_RGB5_A1: |
| case GL_RGB8_OES: |
| case GL_RGBA8_OES: |
| case GL_LUMINANCE8_EXT: |
| case GL_LUMINANCE8_ALPHA8_EXT: |
| return DXGI_FORMAT_R8G8B8A8_UNORM; |
| case GL_ALPHA8_EXT: |
| return DXGI_FORMAT_A8_UNORM; |
| case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: |
| case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: |
| return DXGI_FORMAT_BC1_UNORM; |
| case GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE: |
| return DXGI_FORMAT_BC2_UNORM; |
| case GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE: |
| return DXGI_FORMAT_BC3_UNORM; |
| case GL_RGBA32F_EXT: |
| case GL_ALPHA32F_EXT: |
| case GL_LUMINANCE_ALPHA32F_EXT: |
| return DXGI_FORMAT_R32G32B32A32_FLOAT; |
| case GL_RGB32F_EXT: |
| case GL_LUMINANCE32F_EXT: |
| return DXGI_FORMAT_R32G32B32_FLOAT; |
| case GL_RGBA16F_EXT: |
| case GL_ALPHA16F_EXT: |
| case GL_LUMINANCE_ALPHA16F_EXT: |
| case GL_RGB16F_EXT: |
| case GL_LUMINANCE16F_EXT: |
| return DXGI_FORMAT_R16G16B16A16_FLOAT; |
| case GL_BGRA8_EXT: |
| return DXGI_FORMAT_B8G8R8A8_UNORM; |
| case GL_R8_EXT: |
| return DXGI_FORMAT_R8_UNORM; |
| case GL_RG8_EXT: |
| return DXGI_FORMAT_R8G8_UNORM; |
| case GL_R16F_EXT: |
| return DXGI_FORMAT_R16_FLOAT; |
| case GL_RG16F_EXT: |
| return DXGI_FORMAT_R16G16_FLOAT; |
| case GL_DEPTH_COMPONENT16: |
| case GL_DEPTH_COMPONENT32_OES: |
| case GL_DEPTH24_STENCIL8_OES: |
| return DXGI_FORMAT_D24_UNORM_S8_UINT; |
| default: |
| UNREACHABLE(); |
| } |
| |
| return DXGI_FORMAT_R8G8B8A8_UNORM; |
| } |
| } |