1 files changed, 197 insertions, 0 deletions

diff --git a/source/modules/asura-core/graphics/gfx_device.cpp b/source/modules/asura-core/graphics/gfx_device.cpp
new file mode 100644
index 0000000..edfa784
--- /dev/null
+++ b/source/modules/asura-core/graphics/gfx_device.cpp
@@ -0,0 +1,197 @@
+#include <asura-utils/type.h>
+
+#include "../core_config.h"
+
+#include "gfx_device.h"
+#include "shader.h"
+#include "matrix_stack.h"
+#include "color.h"
+
+using namespace AEMath;
+
+namespace AsuraEngine
+{
+	namespace Graphics
+	{
+
+#if ASURA_DEBUG
+		static bool _instantiated = false;
+#endif
+
+		GfxDevice gfx;
+
+		GfxDevice::GfxDevice()
+		{
+#if ASURA_DEBUG 
+			ASSERT(!_instantiated);
+			_instantiated = true;
+#endif
+		}
+
+		GfxDevice::~GfxDevice()
+		{
+		}
+
+		static bool inited = false;
+
+		bool GfxDevice::Init(const AEMath::Recti& view)
+		{
+			bool loaded = false;
+#if ASURA_OPENGL_LOADER & ASURA_OPENGL_GLAD
+			if (!loaded)
+				loaded = gladLoadGL();
+#endif
+			if (!loaded)
+				return false;
+			SetViewport(view);
+
+			inited = true;
+			return true;
+		}
+
+		bool GfxDevice::Inited()
+		{
+			return inited;
+		}
+
+		void GfxDevice::WipeError()
+		{
+			while (glGetError() != GL_NO_ERROR);
+		}
+
+		bool GfxDevice::HasError()
+		{
+			return glGetError() != GL_NO_ERROR; 
+		}
+
+		GLenum GfxDevice::GetError()
+		{
+			return glGetError();
+		}
+
+		void GfxDevice::SetDrawColor(float r, float g, float b, float a)
+		{
+			state.drawColor.Set(r, g, b, a);
+		}
+
+		Color& GfxDevice::GetDrawColor()
+		{
+			return state.drawColor;
+		}
+
+		void GfxDevice::SetViewport(const Recti v)
+		{
+			state.viewport = v;
+			glViewport(v.x, v.y, v.w, v.h);
+		}
+
+		const Recti& GfxDevice::GetViewport()
+		{
+			return state.viewport;
+		}
+
+		void GfxDevice::UseShader(Shader* shader)
+		{
+			if (state.shader != shader)
+			{
+				glUseProgram(shader->GetGLProgram());
+				state.shader = shader;
+#if ASURA_GL_PROFILE 
+				++stats.shaderSwitch;
+#endif
+			}
+			shader->OnUse();
+		}
+
+		void GfxDevice::UnuseShader()
+		{
+			state.shader->OnUnuse();
+			state.shader = nullptr;
+		}
+
+		Shader* GfxDevice::GetShader()
+		{
+			return state.shader;
+		}
+
+		void GfxDevice::DrawArrays(GLenum mode, GLint first, GLsizei count)
+		{
+			glDrawArrays(mode, first, count);
+#if ASURA_GL_PROFILE
+			++stats.drawCall;
+#endif
+		}
+
+		//------------------------------------------------------------------------------//
+
+		void GfxDevice::SetMatrixMode(MatrixMode mode)
+		{
+			state.matrixMode = mode;
+		}
+
+		MatrixMode GfxDevice::GetMatrixMode()
+		{
+			return state.matrixMode; 
+		}
+
+		void GfxDevice::PushMatrix()
+		{
+			state.matrix[state.matrixMode].Push();
+		}
+
+		void GfxDevice::PopMatrix()
+		{
+			state.matrix[state.matrixMode].Pop();
+		}
+
+		void GfxDevice::LoadIdentity()
+		{
+			state.matrix[state.matrixMode].LoadIdentity();
+		}
+
+		void GfxDevice::Rotate(float angle)
+		{
+			state.matrix[state.matrixMode].Rotate(angle);
+		}
+
+		void GfxDevice::Translate(float x, float y)
+		{
+			state.matrix[state.matrixMode].Translate(x, y);
+		}
+
+		void GfxDevice::Scale(float x, float y)
+		{
+			state.matrix[state.matrixMode].Scale(x, y);
+		}
+
+		void GfxDevice::Ortho(float l, float r, float b, float t, float n, float f)
+		{
+			state.matrix[state.matrixMode].Ortho(l, r, b, t, n, f);
+		}
+
+		AEMath::Matrix44& GfxDevice::GetMatrix(MatrixMode mode)
+		{
+			return state.matrix[mode].GetTop();
+		}
+
+		AEMath::Matrix44 GfxDevice::GetMVPMatrix()
+		{
+			return state.matrix[MATRIX_MODE_MODEL].GetTop()
+			     * state.matrix[MATRIX_MODE_MODEL].GetTop()
+			     * state.matrix[MATRIX_MODE_MODEL].GetTop();
+		}
+
+		uint GfxDevice::GetMatrixDepth()
+		{
+			return state.matrix[state.matrixMode].GetCapacity();
+		}
+
+		uint GfxDevice::GetMatrixIndex()
+		{
+			return state.matrix[state.matrixMode].GetTopIndex();
+		}
+
+		//------------------------------------------------------------------------------//
+
+	}
+}
\ No newline at end of file