Adds conversion functions for DXGI-to-GL texture and renderbuffer formats.

src/libGLESv2/renderer/renderer11_utils.cpp

@@ -38,4 +38,138 @@ GLenum ConvertDepthStencilFormat(DXGI_FORMAT format)
     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;
+}
 }

src/libGLESv2/renderer/renderer11_utils.h

@@ -17,5 +17,12 @@ namespace d3d11_gl
 
 GLenum ConvertBackBufferFormat(DXGI_FORMAT format);
 GLenum ConvertDepthStencilFormat(DXGI_FORMAT format);
+GLenum ConvertRenderbufferFormat(DXGI_FORMAT format);
+GLenum ConvertTextureInternalFormat(DXGI_FORMAT format);
+}
 
+namespace gl_d3d11
+{
+DXGI_FORMAT ConvertRenderbufferFormat(GLenum format);
+DXGI_FORMAT ConvertTextureInternalFormat(GLenum internalformat);
 }