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Add DXT3 texture format

This commit is contained in:
Jack Andersen 2019-03-02 20:16:12 -10:00
parent 66cf60ea55
commit af50240143
5 changed files with 26 additions and 2 deletions
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2
include/boo/graphicsdev/IGraphicsDataFactory.hpp
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@ -47,7 +47,7 @@ protected:
enum class TextureType { Static, StaticArray, Dynamic, Render };
/** Supported texture formats */
enum class TextureFormat { RGBA8, I8, I16, DXT1, PVRTC4 };
enum class TextureFormat { RGBA8, I8, I16, DXT1, DXT3, PVRTC4 };
/** Supported texture clamp modes */
enum class TextureClampMode { Invalid = -1, Repeat, ClampToWhite, ClampToBlack, ClampToEdge, ClampToEdgeNearest };

6
lib/graphicsdev/D3D11.cpp
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@ -160,6 +160,12 @@ class D3D11TextureS : public GraphicsDataNode<ITextureS> {
pxPitchNum = 1;
pxPitchDenom = 2;
break;
case TextureFormat::DXT3:
pfmt = DXGI_FORMAT_BC2_UNORM;
compressed = true;
pxPitchNum = 1;
pxPitchDenom = 1;
break;
default:
Log.report(logvisor::Fatal, "unsupported tex format");
}

8
lib/graphicsdev/GL.cpp
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@ -298,6 +298,12 @@ class GLTextureS : public GraphicsDataNode<ITextureS> {
case TextureFormat::DXT1:
intFormat = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
compressed = true;
pxPitch = 2;
break;
case TextureFormat::DXT3:
intFormat = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;
compressed = true;
pxPitch = 1;
break;
default:
Log.report(logvisor::Fatal, "unsupported tex format");
@ -305,7 +311,7 @@ class GLTextureS : public GraphicsDataNode<ITextureS> {
if (compressed) {
for (size_t i = 0; i < mips; ++i) {
size_t dataSz = width * height / 2;
size_t dataSz = width * height / pxPitch;
glCompressedTexImage2D(GL_TEXTURE_2D, i, intFormat, width, height, 0, dataSz, dataIt);
dataIt += dataSz;
if (width > 1)

7
lib/graphicsdev/Metal.mm
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@ -256,6 +256,13 @@ class MetalTextureS : public GraphicsDataNode<ITextureS> {
ppitchNum = 1;
ppitchDenom = 2;
bytesPerRow = width * 8 / 4; // Metal wants this in blocks, not bytes
break;
case TextureFormat::DXT3:
pfmt = MTLPixelFormatBC2_RGBA;
ppitchNum = 1;
ppitchDenom = 1;
bytesPerRow = width * 16 / 4; // Metal wants this in blocks, not bytes
break;
default:
break;
}

5
lib/graphicsdev/Vulkan.cpp
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@ -1315,6 +1315,11 @@ class VulkanTextureS : public GraphicsDataNode<ITextureS> {
m_pixelPitchNum = 1;
m_pixelPitchDenom = 2;
break;
case TextureFormat::DXT3:
pfmt = VK_FORMAT_BC2_UNORM_BLOCK;
m_pixelPitchNum = 1;
m_pixelPitchDenom = 1;
break;
default:
Log.report(logvisor::Fatal, "unsupported tex format");
}