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-rw-r--r--cc/ShaderChromium.h351
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diff --git a/cc/ShaderChromium.h b/cc/ShaderChromium.h
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+++ b/cc/ShaderChromium.h
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+// Copyright 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef ShaderChromium_h
+#define ShaderChromium_h
+
+#if USE(ACCELERATED_COMPOSITING)
+
+#include "SkColorPriv.h"
+#include <wtf/text/WTFString.h>
+
+namespace WebKit {
+class WebGraphicsContext3D;
+}
+
+namespace WebCore {
+
+class VertexShaderPosTex {
+public:
+ VertexShaderPosTex();
+
+ void init(WebKit::WebGraphicsContext3D*, unsigned program, bool usingBindUniform, int* baseUniformIndex);
+ String getShaderString() const;
+
+ int matrixLocation() const { return m_matrixLocation; }
+
+private:
+ int m_matrixLocation;
+};
+
+class VertexShaderPosTexYUVStretch {
+public:
+ VertexShaderPosTexYUVStretch();
+
+ void init(WebKit::WebGraphicsContext3D*, unsigned program, bool usingBindUniform, int* baseUniformIndex);
+ String getShaderString() const;
+
+ int matrixLocation() const { return m_matrixLocation; }
+ int yWidthScaleFactorLocation() const { return m_yWidthScaleFactorLocation; }
+ int uvWidthScaleFactorLocation() const { return m_uvWidthScaleFactorLocation; }
+
+private:
+ int m_matrixLocation;
+ int m_yWidthScaleFactorLocation;
+ int m_uvWidthScaleFactorLocation;
+};
+
+class VertexShaderPos {
+public:
+ VertexShaderPos();
+
+ void init(WebKit::WebGraphicsContext3D*, unsigned program, bool usingBindUniform, int* baseUniformIndex);
+ String getShaderString() const;
+
+ int matrixLocation() const { return m_matrixLocation; }
+
+private:
+ int m_matrixLocation;
+};
+
+class VertexShaderPosTexIdentity {
+public:
+ void init(WebKit::WebGraphicsContext3D*, unsigned program, bool usingBindUniform, int* baseUniformIndex) { }
+ String getShaderString() const;
+};
+
+class VertexShaderPosTexTransform {
+public:
+ VertexShaderPosTexTransform();
+
+ void init(WebKit::WebGraphicsContext3D*, unsigned program, bool usingBindUniform, int* baseUniformIndex);
+ String getShaderString() const;
+
+ int matrixLocation() const { return m_matrixLocation; }
+ int texTransformLocation() const { return m_texTransformLocation; }
+
+private:
+ int m_matrixLocation;
+ int m_texTransformLocation;
+};
+
+class VertexShaderQuad {
+public:
+ VertexShaderQuad();
+
+ void init(WebKit::WebGraphicsContext3D*, unsigned program, bool usingBindUniform, int* baseUniformIndex);
+ String getShaderString() const;
+
+ int matrixLocation() const { return m_matrixLocation; }
+ int pointLocation() const { return m_pointLocation; }
+
+private:
+ int m_matrixLocation;
+ int m_pointLocation;
+};
+
+class VertexShaderTile {
+public:
+ VertexShaderTile();
+
+ void init(WebKit::WebGraphicsContext3D*, unsigned program, bool usingBindUniform, int* baseUniformIndex);
+ String getShaderString() const;
+
+ int matrixLocation() const { return m_matrixLocation; }
+ int pointLocation() const { return m_pointLocation; }
+ int vertexTexTransformLocation() const { return m_vertexTexTransformLocation; }
+
+private:
+ int m_matrixLocation;
+ int m_pointLocation;
+ int m_vertexTexTransformLocation;
+};
+
+class VertexShaderVideoTransform {
+public:
+ VertexShaderVideoTransform();
+
+ bool init(WebKit::WebGraphicsContext3D*, unsigned program, bool usingBindUniform, int* baseUniformIndex);
+ String getShaderString() const;
+
+ int matrixLocation() const { return m_matrixLocation; }
+ int texMatrixLocation() const { return m_texMatrixLocation; }
+
+private:
+ int m_matrixLocation;
+ int m_texMatrixLocation;
+};
+
+class FragmentTexAlphaBinding {
+public:
+ FragmentTexAlphaBinding();
+
+ void init(WebKit::WebGraphicsContext3D*, unsigned program, bool usingBindUniform, int* baseUniformIndex);
+ int alphaLocation() const { return m_alphaLocation; }
+ int edgeLocation() const { return -1; }
+ int fragmentTexTransformLocation() const { return -1; }
+ int samplerLocation() const { return m_samplerLocation; }
+
+private:
+ int m_samplerLocation;
+ int m_alphaLocation;
+};
+
+class FragmentTexOpaqueBinding {
+public:
+ FragmentTexOpaqueBinding();
+
+ void init(WebKit::WebGraphicsContext3D*, unsigned program, bool usingBindUniform, int* baseUniformIndex);
+ int alphaLocation() const { return -1; }
+ int edgeLocation() const { return -1; }
+ int fragmentTexTransformLocation() const { return -1; }
+ int samplerLocation() const { return m_samplerLocation; }
+
+private:
+ int m_samplerLocation;
+};
+
+class FragmentShaderRGBATexFlipAlpha : public FragmentTexAlphaBinding {
+public:
+ String getShaderString() const;
+};
+
+class FragmentShaderRGBATexAlpha : public FragmentTexAlphaBinding {
+public:
+ String getShaderString() const;
+};
+
+class FragmentShaderRGBATexRectFlipAlpha : public FragmentTexAlphaBinding {
+public:
+ String getShaderString() const;
+};
+
+class FragmentShaderRGBATexRectAlpha : public FragmentTexAlphaBinding {
+public:
+ String getShaderString() const;
+};
+
+class FragmentShaderRGBATexOpaque : public FragmentTexOpaqueBinding {
+public:
+ String getShaderString() const;
+};
+
+class FragmentShaderRGBATex : public FragmentTexOpaqueBinding {
+public:
+ String getShaderString() const;
+};
+
+// Swizzles the red and blue component of sampled texel with alpha.
+class FragmentShaderRGBATexSwizzleAlpha : public FragmentTexAlphaBinding {
+public:
+ String getShaderString() const;
+};
+
+// Swizzles the red and blue component of sampled texel without alpha.
+class FragmentShaderRGBATexSwizzleOpaque : public FragmentTexOpaqueBinding {
+public:
+ String getShaderString() const;
+};
+
+// Fragment shader for external textures.
+class FragmentShaderOESImageExternal : public FragmentTexAlphaBinding {
+public:
+ String getShaderString() const;
+ bool init(WebKit::WebGraphicsContext3D*, unsigned program, bool usingBindUniform, int* baseUniformIndex);
+private:
+ int m_samplerLocation;
+};
+
+class FragmentShaderRGBATexAlphaAA {
+public:
+ FragmentShaderRGBATexAlphaAA();
+
+ void init(WebKit::WebGraphicsContext3D*, unsigned program, bool usingBindUniform, int* baseUniformIndex);
+ String getShaderString() const;
+
+ int alphaLocation() const { return m_alphaLocation; }
+ int samplerLocation() const { return m_samplerLocation; }
+ int edgeLocation() const { return m_edgeLocation; }
+
+private:
+ int m_samplerLocation;
+ int m_alphaLocation;
+ int m_edgeLocation;
+};
+
+class FragmentTexClampAlphaAABinding {
+public:
+ FragmentTexClampAlphaAABinding();
+
+ void init(WebKit::WebGraphicsContext3D*, unsigned program, bool usingBindUniform, int* baseUniformIndex);
+ int alphaLocation() const { return m_alphaLocation; }
+ int samplerLocation() const { return m_samplerLocation; }
+ int fragmentTexTransformLocation() const { return m_fragmentTexTransformLocation; }
+ int edgeLocation() const { return m_edgeLocation; }
+
+private:
+ int m_samplerLocation;
+ int m_alphaLocation;
+ int m_fragmentTexTransformLocation;
+ int m_edgeLocation;
+};
+
+class FragmentShaderRGBATexClampAlphaAA : public FragmentTexClampAlphaAABinding {
+public:
+ String getShaderString() const;
+};
+
+// Swizzles the red and blue component of sampled texel.
+class FragmentShaderRGBATexClampSwizzleAlphaAA : public FragmentTexClampAlphaAABinding {
+public:
+ String getShaderString() const;
+};
+
+class FragmentShaderRGBATexAlphaMask {
+public:
+ FragmentShaderRGBATexAlphaMask();
+ String getShaderString() const;
+
+ void init(WebKit::WebGraphicsContext3D*, unsigned program, bool usingBindUniform, int* baseUniformIndex);
+ int alphaLocation() const { return m_alphaLocation; }
+ int samplerLocation() const { return m_samplerLocation; }
+ int maskSamplerLocation() const { return m_maskSamplerLocation; }
+ int maskTexCoordScaleLocation() const { return m_maskTexCoordScaleLocation; }
+ int maskTexCoordOffsetLocation() const { return m_maskTexCoordOffsetLocation; }
+
+private:
+ int m_samplerLocation;
+ int m_maskSamplerLocation;
+ int m_alphaLocation;
+ int m_maskTexCoordScaleLocation;
+ int m_maskTexCoordOffsetLocation;
+};
+
+class FragmentShaderRGBATexAlphaMaskAA {
+public:
+ FragmentShaderRGBATexAlphaMaskAA();
+ String getShaderString() const;
+
+ void init(WebKit::WebGraphicsContext3D*, unsigned program, bool usingBindUniform, int* baseUniformIndex);
+ int alphaLocation() const { return m_alphaLocation; }
+ int samplerLocation() const { return m_samplerLocation; }
+ int maskSamplerLocation() const { return m_maskSamplerLocation; }
+ int edgeLocation() const { return m_edgeLocation; }
+ int maskTexCoordScaleLocation() const { return m_maskTexCoordScaleLocation; }
+ int maskTexCoordOffsetLocation() const { return m_maskTexCoordOffsetLocation; }
+
+private:
+ int m_samplerLocation;
+ int m_maskSamplerLocation;
+ int m_alphaLocation;
+ int m_edgeLocation;
+ int m_maskTexCoordScaleLocation;
+ int m_maskTexCoordOffsetLocation;
+};
+
+class FragmentShaderYUVVideo {
+public:
+ FragmentShaderYUVVideo();
+ String getShaderString() const;
+
+ void init(WebKit::WebGraphicsContext3D*, unsigned program, bool usingBindUniform, int* baseUniformIndex);
+
+ int yTextureLocation() const { return m_yTextureLocation; }
+ int uTextureLocation() const { return m_uTextureLocation; }
+ int vTextureLocation() const { return m_vTextureLocation; }
+ int alphaLocation() const { return m_alphaLocation; }
+ int ccMatrixLocation() const { return m_ccMatrixLocation; }
+ int yuvAdjLocation() const { return m_yuvAdjLocation; }
+
+private:
+ int m_yTextureLocation;
+ int m_uTextureLocation;
+ int m_vTextureLocation;
+ int m_alphaLocation;
+ int m_ccMatrixLocation;
+ int m_yuvAdjLocation;
+};
+
+class FragmentShaderColor {
+public:
+ FragmentShaderColor();
+ String getShaderString() const;
+
+ void init(WebKit::WebGraphicsContext3D*, unsigned program, bool usingBindUniform, int* baseUniformIndex);
+ int colorLocation() const { return m_colorLocation; }
+
+private:
+ int m_colorLocation;
+};
+
+class FragmentShaderCheckerboard {
+public:
+ FragmentShaderCheckerboard();
+ String getShaderString() const;
+
+ void init(WebKit::WebGraphicsContext3D*, unsigned program, bool usingBindUniform, int* baseUniformIndex);
+ int alphaLocation() const { return m_alphaLocation; }
+ int texTransformLocation() const { return m_texTransformLocation; }
+ int frequencyLocation() const { return m_frequencyLocation; }
+private:
+ int m_alphaLocation;
+ int m_texTransformLocation;
+ int m_frequencyLocation;
+};
+
+} // namespace WebCore
+
+#endif // USE(ACCELERATED_COMPOSITING)
+
+#endif
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