+GLenum GetCullFace(Graphics::CullMode cullMode)
+{
+ switch(cullMode)
+ {
+ case Graphics::CullMode::NONE:
+ return GL_NONE;
+ case Graphics::CullMode::FRONT:
+ return GL_FRONT;
+ case Graphics::CullMode::BACK:
+ return GL_BACK;
+ case Graphics::CullMode::FRONT_AND_BACK:
+ return GL_FRONT_AND_BACK;
+ }
+ return GL_NONE;
+}
+
+GLenum GetFrontFace(Graphics::FrontFace frontFace)
+{
+ if(frontFace == Graphics::FrontFace::CLOCKWISE)
+ {
+ return GL_CW;
+ }
+ return GL_CCW;
+}
+
+GLenum GetBlendFactor(Graphics::BlendFactor blendFactor)
+{
+ GLenum glFactor = GL_ZERO;
+
+ switch(blendFactor)
+ {
+ case Graphics::BlendFactor::ZERO:
+ glFactor = GL_ZERO;
+ break;
+ case Graphics::BlendFactor::ONE:
+ glFactor = GL_ONE;
+ break;
+ case Graphics::BlendFactor::SRC_COLOR:
+ glFactor = GL_SRC_COLOR;
+ break;
+ case Graphics::BlendFactor::ONE_MINUS_SRC_COLOR:
+ glFactor = GL_ONE_MINUS_SRC_COLOR;
+ break;
+ case Graphics::BlendFactor::DST_COLOR:
+ glFactor = GL_DST_COLOR;
+ break;
+ case Graphics::BlendFactor::ONE_MINUS_DST_COLOR:
+ glFactor = GL_ONE_MINUS_DST_COLOR;
+ break;
+ case Graphics::BlendFactor::SRC_ALPHA:
+ glFactor = GL_SRC_ALPHA;
+ break;
+ case Graphics::BlendFactor::ONE_MINUS_SRC_ALPHA:
+ glFactor = GL_ONE_MINUS_SRC_ALPHA;
+ break;
+ case Graphics::BlendFactor::DST_ALPHA:
+ glFactor = GL_DST_ALPHA;
+ break;
+ case Graphics::BlendFactor::ONE_MINUS_DST_ALPHA:
+ glFactor = GL_ONE_MINUS_DST_ALPHA;
+ break;
+ case Graphics::BlendFactor::CONSTANT_COLOR:
+ glFactor = GL_CONSTANT_COLOR;
+ break;
+ case Graphics::BlendFactor::ONE_MINUS_CONSTANT_COLOR:
+ glFactor = GL_ONE_MINUS_CONSTANT_COLOR;
+ break;
+ case Graphics::BlendFactor::CONSTANT_ALPHA:
+ glFactor = GL_CONSTANT_ALPHA;
+ break;
+ case Graphics::BlendFactor::ONE_MINUS_CONSTANT_ALPHA:
+ glFactor = GL_ONE_MINUS_CONSTANT_ALPHA;
+ break;
+ case Graphics::BlendFactor::SRC_ALPHA_SATURATE:
+ glFactor = GL_SRC_ALPHA_SATURATE;
+ break;
+ // GLES doesn't appear to have dual source blending.
+ case Graphics::BlendFactor::SRC1_COLOR:
+ glFactor = GL_SRC_COLOR;
+ break;
+ case Graphics::BlendFactor::ONE_MINUS_SRC1_COLOR:
+ glFactor = GL_ONE_MINUS_SRC_COLOR;
+ break;
+ case Graphics::BlendFactor::SRC1_ALPHA:
+ glFactor = GL_SRC_ALPHA;
+ break;
+ case Graphics::BlendFactor::ONE_MINUS_SRC1_ALPHA:
+ glFactor = GL_ONE_MINUS_SRC_ALPHA;
+ break;
+ }
+ return glFactor;
+}
+
+GLenum GetBlendOp(Graphics::BlendOp blendOp)
+{
+ GLenum op = GL_FUNC_ADD;
+ switch(blendOp)
+ {
+ case Graphics::BlendOp::ADD:
+ op = GL_FUNC_ADD;
+ break;
+ case Graphics::BlendOp::SUBTRACT:
+ op = GL_FUNC_SUBTRACT;
+ break;
+ case Graphics::BlendOp::REVERSE_SUBTRACT:
+ op = GL_FUNC_REVERSE_SUBTRACT;
+ break;
+ case Graphics::BlendOp::MIN:
+ op = GL_MIN;
+ break;
+ case Graphics::BlendOp::MAX:
+ op = GL_MAX;
+ break;
+
+ // @todo Add advanced blend equations
+ }
+ return op;
+}
+
+struct GLCompareOp
+{
+ constexpr explicit GLCompareOp(Graphics::CompareOp compareOp)
+ {
+ switch(compareOp)
+ {
+ case Graphics::CompareOp::NEVER:
+ op = GL_NEVER;
+ break;
+ case Graphics::CompareOp::LESS:
+ op = GL_LESS;
+ break;
+ case Graphics::CompareOp::EQUAL:
+ op = GL_EQUAL;
+ break;
+ case Graphics::CompareOp::LESS_OR_EQUAL:
+ op = GL_LEQUAL;
+ break;
+ case Graphics::CompareOp::GREATER:
+ op = GL_GREATER;
+ break;
+ case Graphics::CompareOp::NOT_EQUAL:
+ op = GL_NOTEQUAL;
+ break;
+ case Graphics::CompareOp::GREATER_OR_EQUAL:
+ op = GL_GEQUAL;
+ break;
+ case Graphics::CompareOp::ALWAYS:
+ op = GL_ALWAYS;
+ break;
+ }
+ }
+ GLenum op{GL_LESS};
+};
+
+struct GLStencilOp
+{
+ constexpr explicit GLStencilOp(Graphics::StencilOp stencilOp)
+ {
+ switch(stencilOp)
+ {
+ case Graphics::StencilOp::KEEP:
+ op = GL_KEEP;
+ break;
+ case Graphics::StencilOp::ZERO:
+ op = GL_ZERO;
+ break;
+ case Graphics::StencilOp::REPLACE:
+ op = GL_REPLACE;
+ break;
+ case Graphics::StencilOp::INCREMENT_AND_CLAMP:
+ op = GL_INCR;
+ break;
+ case Graphics::StencilOp::DECREMENT_AND_CLAMP:
+ op = GL_DECR;
+ break;
+ case Graphics::StencilOp::INVERT:
+ op = GL_INVERT;
+ break;
+ case Graphics::StencilOp::INCREMENT_AND_WRAP:
+ op = GL_INCR_WRAP;
+ break;
+ case Graphics::StencilOp::DECREMENT_AND_WRAP:
+ op = GL_DECR_WRAP;
+ break;
+ }
+ }
+ GLenum op{GL_KEEP};
+};
+
+class TestGraphicsMemory : public Graphics::Memory
+{
+public:
+ TestGraphicsMemory(TraceCallStack& callStack, TestGraphicsBuffer& buffer, uint32_t mappedOffset, uint32_t mappedSize)
+ : mCallStack(callStack),
+ mBuffer(buffer),
+ mMappedOffset(mappedOffset),
+ mMappedSize(mappedSize),
+ mLockedOffset(0u),
+ mLockedSize(0u)
+ {
+ }
+
+ void* LockRegion(uint32_t offset, uint32_t size) override
+ {
+ std::ostringstream o;
+ o << offset << ", " << size;
+ mCallStack.PushCall("Memory::LockRegion", o.str());
+
+ if(offset > mMappedOffset + mMappedSize ||
+ size + offset > mMappedOffset + mMappedSize)
+ {
+ fprintf(stderr, "TestGraphics.Memory::LockRegion() Out of bounds");
+ mBuffer.memory.resize(mMappedOffset + offset + size); // Grow to prevent memcpy from crashing
+ }
+ mLockedOffset = offset;
+ mLockedSize = size;
+ return &mBuffer.memory[mMappedOffset + offset];
+ }
+
+ void Unlock(bool flush) override
+ {
+ mCallStack.PushCall("Memory::Unlock", (flush ? "Flush" : "NoFlush"));
+ if(flush)
+ {
+ Flush();
+ }
+ }
+
+ void Flush() override
+ {
+ mCallStack.PushCall("Memory::Flush", "");
+ mBuffer.Bind();
+ mBuffer.Upload(mMappedOffset + mLockedOffset, mLockedSize);
+ mBuffer.Unbind();
+ }
+
+ TraceCallStack& mCallStack;
+ TestGraphicsBuffer& mBuffer;
+ uint32_t mMappedOffset;
+ uint32_t mMappedSize;
+ uint32_t mLockedOffset;
+ uint32_t mLockedSize;
+};
+
+TestGraphicsController::TestGraphicsController()
+: mCallStack(true, "TestGraphicsController."),
+ mCommandBufferCallStack(true, "TestCommandBuffer."),
+ mFrameBufferCallStack(true, "TestFrameBuffer.")
+{
+ mCallStack.Enable(true);
+ mCommandBufferCallStack.Enable(true);
+ auto& trace = mGl.GetTextureTrace();
+ trace.Enable(true);
+ trace.EnableLogging(true);
+}
+