1 files changed, 290 insertions, 0 deletions
diff --git a/gfx/angle/src/libANGLE/renderer/gl/StateManagerGL.h b/gfx/angle/src/libANGLE/renderer/gl/StateManagerGL.h
new file mode 100755
index 000000000..3c8c5389f
--- /dev/null
+++ b/gfx/angle/src/libANGLE/renderer/gl/StateManagerGL.h
@@ -0,0 +1,290 @@
+//
+// Copyright (c) 2015 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.
+//
+
+// StateManagerGL.h: Defines a class for caching applied OpenGL state
+
+#ifndef LIBANGLE_RENDERER_GL_STATEMANAGERGL_H_
+#define LIBANGLE_RENDERER_GL_STATEMANAGERGL_H_
+
+#include "common/debug.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/State.h"
+#include "libANGLE/angletypes.h"
+#include "libANGLE/renderer/gl/functionsgl_typedefs.h"
+
+#include <map>
+
+namespace gl
+{
+struct Caps;
+class ContextState;
+class State;
+}
+
+namespace rx
+{
+
+class FramebufferGL;
+class FunctionsGL;
+class TransformFeedbackGL;
+class QueryGL;
+
+class StateManagerGL final : angle::NonCopyable
+{
+  public:
+    StateManagerGL(const FunctionsGL *functions, const gl::Caps &rendererCaps);
+
+    void deleteProgram(GLuint program);
+    void deleteVertexArray(GLuint vao);
+    void deleteTexture(GLuint texture);
+    void deleteSampler(GLuint sampler);
+    void deleteBuffer(GLuint buffer);
+    void deleteFramebuffer(GLuint fbo);
+    void deleteRenderbuffer(GLuint rbo);
+    void deleteTransformFeedback(GLuint transformFeedback);
+    void deleteQuery(GLuint query);
+
+    void useProgram(GLuint program);
+    void forceUseProgram(GLuint program);
+    void bindVertexArray(GLuint vao, GLuint elementArrayBuffer);
+    void bindBuffer(GLenum type, GLuint buffer);
+    void bindBufferBase(GLenum type, size_t index, GLuint buffer);
+    void bindBufferRange(GLenum type, size_t index, GLuint buffer, size_t offset, size_t size);
+    void activeTexture(size_t unit);
+    void bindTexture(GLenum type, GLuint texture);
+    void bindSampler(size_t unit, GLuint sampler);
+    void bindFramebuffer(GLenum type, GLuint framebuffer);
+    void bindRenderbuffer(GLenum type, GLuint renderbuffer);
+    void bindTransformFeedback(GLenum type, GLuint transformFeedback);
+    void beginQuery(GLenum type, GLuint query);
+    void endQuery(GLenum type, GLuint query);
+    void onBeginQuery(QueryGL *query);
+
+    void setAttributeCurrentData(size_t index, const gl::VertexAttribCurrentValueData &data);
+
+    void setScissorTestEnabled(bool enabled);
+    void setScissor(const gl::Rectangle &scissor);
+
+    void setViewport(const gl::Rectangle &viewport);
+    void setDepthRange(float near, float far);
+
+    void setBlendEnabled(bool enabled);
+    void setBlendColor(const gl::ColorF &blendColor);
+    void setBlendFuncs(GLenum sourceBlendRGB,
+                       GLenum destBlendRGB,
+                       GLenum sourceBlendAlpha,
+                       GLenum destBlendAlpha);
+    void setBlendEquations(GLenum blendEquationRGB, GLenum blendEquationAlpha);
+    void setColorMask(bool red, bool green, bool blue, bool alpha);
+    void setSampleAlphaToCoverageEnabled(bool enabled);
+    void setSampleCoverageEnabled(bool enabled);
+    void setSampleCoverage(float value, bool invert);
+
+    void setDepthTestEnabled(bool enabled);
+    void setDepthFunc(GLenum depthFunc);
+    void setDepthMask(bool mask);
+    void setStencilTestEnabled(bool enabled);
+    void setStencilFrontWritemask(GLuint mask);
+    void setStencilBackWritemask(GLuint mask);
+    void setStencilFrontFuncs(GLenum func, GLint ref, GLuint mask);
+    void setStencilBackFuncs(GLenum func, GLint ref, GLuint mask);
+    void setStencilFrontOps(GLenum sfail, GLenum dpfail, GLenum dppass);
+    void setStencilBackOps(GLenum sfail, GLenum dpfail, GLenum dppass);
+
+    void setCullFaceEnabled(bool enabled);
+    void setCullFace(GLenum cullFace);
+    void setFrontFace(GLenum frontFace);
+    void setPolygonOffsetFillEnabled(bool enabled);
+    void setPolygonOffset(float factor, float units);
+    void setRasterizerDiscardEnabled(bool enabled);
+    void setLineWidth(float width);
+
+    void setPrimitiveRestartEnabled(bool enabled);
+
+    void setClearColor(const gl::ColorF &clearColor);
+    void setClearDepth(float clearDepth);
+    void setClearStencil(GLint clearStencil);
+
+    void setPixelUnpackState(const gl::PixelUnpackState &unpack);
+    void setPixelUnpackState(GLint alignment,
+                             GLint rowLength,
+                             GLint skipRows,
+                             GLint skipPixels,
+                             GLint imageHeight,
+                             GLint skipImages,
+                             GLuint unpackBuffer);
+    void setPixelPackState(const gl::PixelPackState &pack);
+    void setPixelPackState(GLint alignment,
+                           GLint rowLength,
+                           GLint skipRows,
+                           GLint skipPixels,
+                           GLuint packBuffer);
+
+    void setFramebufferSRGBEnabled(bool enabled);
+    void setFramebufferSRGBEnabledForFramebuffer(bool enabled, const FramebufferGL *framebuffer);
+
+    void setDitherEnabled(bool enabled);
+
+    void setMultisamplingStateEnabled(bool enabled);
+    void setSampleAlphaToOneStateEnabled(bool enabled);
+
+    void setCoverageModulation(GLenum components);
+
+    void setPathRenderingModelViewMatrix(const GLfloat *m);
+    void setPathRenderingProjectionMatrix(const GLfloat *m);
+    void setPathRenderingStencilState(GLenum func, GLint ref, GLuint mask);
+
+    void onDeleteQueryObject(QueryGL *query);
+
+    gl::Error setDrawArraysState(const gl::ContextState &data,
+                                 GLint first,
+                                 GLsizei count,
+                                 GLsizei instanceCount);
+    gl::Error setDrawElementsState(const gl::ContextState &data,
+                                   GLsizei count,
+                                   GLenum type,
+                                   const GLvoid *indices,
+                                   GLsizei instanceCount,
+                                   const GLvoid **outIndices);
+
+    gl::Error pauseTransformFeedback(const gl::ContextState &data);
+    gl::Error onMakeCurrent(const gl::ContextState &data);
+
+    void syncState(const gl::State &state, const gl::State::DirtyBits &glDirtyBits);
+
+    GLuint getBoundBuffer(GLenum type);
+
+  private:
+    gl::Error setGenericDrawState(const gl::ContextState &data);
+
+    void setTextureCubemapSeamlessEnabled(bool enabled);
+
+    const FunctionsGL *mFunctions;
+
+    GLuint mProgram;
+
+    GLuint mVAO;
+    std::vector<gl::VertexAttribCurrentValueData> mVertexAttribCurrentValues;
+
+    std::map<GLenum, GLuint> mBuffers;
+
+    struct IndexedBufferBinding
+    {
+        IndexedBufferBinding();
+
+        size_t offset;
+        size_t size;
+        GLuint buffer;
+    };
+    std::map<GLenum, std::vector<IndexedBufferBinding>> mIndexedBuffers;
+
+    size_t mTextureUnitIndex;
+    std::map<GLenum, std::vector<GLuint>> mTextures;
+    std::vector<GLuint> mSamplers;
+
+    GLuint mTransformFeedback;
+
+    std::map<GLenum, GLuint> mQueries;
+
+    TransformFeedbackGL *mPrevDrawTransformFeedback;
+    std::set<QueryGL *> mCurrentQueries;
+    uintptr_t mPrevDrawContext;
+
+    GLint mUnpackAlignment;
+    GLint mUnpackRowLength;
+    GLint mUnpackSkipRows;
+    GLint mUnpackSkipPixels;
+    GLint mUnpackImageHeight;
+    GLint mUnpackSkipImages;
+
+    GLint mPackAlignment;
+    GLint mPackRowLength;
+    GLint mPackSkipRows;
+    GLint mPackSkipPixels;
+
+    // TODO(jmadill): Convert to std::array when available
+    std::vector<GLenum> mFramebuffers;
+    GLuint mRenderbuffer;
+
+    bool mScissorTestEnabled;
+    gl::Rectangle mScissor;
+
+    gl::Rectangle mViewport;
+    float mNear;
+    float mFar;
+
+    bool mBlendEnabled;
+    gl::ColorF mBlendColor;
+    GLenum mSourceBlendRGB;
+    GLenum mDestBlendRGB;
+    GLenum mSourceBlendAlpha;
+    GLenum mDestBlendAlpha;
+    GLenum mBlendEquationRGB;
+    GLenum mBlendEquationAlpha;
+    bool mColorMaskRed;
+    bool mColorMaskGreen;
+    bool mColorMaskBlue;
+    bool mColorMaskAlpha;
+    bool mSampleAlphaToCoverageEnabled;
+    bool mSampleCoverageEnabled;
+    float mSampleCoverageValue;
+    bool mSampleCoverageInvert;
+
+    bool mDepthTestEnabled;
+    GLenum mDepthFunc;
+    bool mDepthMask;
+    bool mStencilTestEnabled;
+    GLenum mStencilFrontFunc;
+    GLint mStencilFrontRef;
+    GLuint mStencilFrontValueMask;
+    GLenum mStencilFrontStencilFailOp;
+    GLenum mStencilFrontStencilPassDepthFailOp;
+    GLenum mStencilFrontStencilPassDepthPassOp;
+    GLuint mStencilFrontWritemask;
+    GLenum mStencilBackFunc;
+    GLint mStencilBackRef;
+    GLuint mStencilBackValueMask;
+    GLenum mStencilBackStencilFailOp;
+    GLenum mStencilBackStencilPassDepthFailOp;
+    GLenum mStencilBackStencilPassDepthPassOp;
+    GLuint mStencilBackWritemask;
+
+    bool mCullFaceEnabled;
+    GLenum mCullFace;
+    GLenum mFrontFace;
+    bool mPolygonOffsetFillEnabled;
+    GLfloat mPolygonOffsetFactor;
+    GLfloat mPolygonOffsetUnits;
+    bool mRasterizerDiscardEnabled;
+    float mLineWidth;
+
+    bool mPrimitiveRestartEnabled;
+
+    gl::ColorF mClearColor;
+    float mClearDepth;
+    GLint mClearStencil;
+
+    bool mFramebufferSRGBEnabled;
+    bool mDitherEnabled;
+    bool mTextureCubemapSeamlessEnabled;
+
+    bool mMultisamplingEnabled;
+    bool mSampleAlphaToOneEnabled;
+
+    GLenum mCoverageModulation;
+
+    GLfloat mPathMatrixMV[16];
+    GLfloat mPathMatrixProj[16];
+    GLenum mPathStencilFunc;
+    GLint mPathStencilRef;
+    GLuint mPathStencilMask;
+
+    gl::State::DirtyBits mLocalDirtyBits;
+};
+
+}
+
+#endif // LIBANGLE_RENDERER_GL_STATEMANAGERGL_H_