1 files changed, 169 insertions, 0 deletions
diff --git a/Client/Source/Graphics/GfxDevice.cpp b/Client/Source/Graphics/GfxDevice.cpp
new file mode 100644
index 0000000..231ee71
--- /dev/null
+++ b/Client/Source/Graphics/GfxDevice.cpp
@@ -0,0 +1,169 @@
+#include <vector>
+#include "GfxDevice.h"
+#include "../Math/Math.h"
+
+static bool deviceInited = false;
+//
+//static const std::vector<byte> s_AvailableTextureUnitPreset = {0,1,2,3,4,5,6,7}; // 最多支持8个贴图
+//static std::vector<byte> s_TextureUnitBucket = s_AvailableTextureUnitPreset;
+
+static const int kMaxAvailableTextureUnitCount = 8; // 最多支持8个贴图
+static int s_CurAvailableTextureUnit = 0;
+
+static int ClaimTextureUnit()
+{
+    int unit = s_CurAvailableTextureUnit;
+    s_CurAvailableTextureUnit = (s_CurAvailableTextureUnit + 1) % kMaxAvailableTextureUnitCount;
+    return unit;
+}
+
+GfxDevice g_GfxDevice;
+
+GfxDevice::GfxDevice()
+{
+	Assert(!deviceInited);
+	deviceInited = true;
+}
+
+GfxDevice::~GfxDevice()
+{
+}
+
+void GfxDevice::Initialize(GfxDeviceSetting setting)
+{
+}
+
+void GfxDevice::Enable(EDeviceEnable enabled)
+{
+
+}
+
+void GfxDevice::Disable(EDeviceEnable enabled)
+{
+
+}
+
+void GfxDevice::IsEnable(uint flag)
+{
+
+}
+
+void GfxDevice::SetDepthTest(EDepthTest testing)
+{
+
+}
+
+void GfxDevice::SetCullFace(ECullFace face)
+{
+
+}
+
+void GfxDevice::SetStencilMask(byte stencilMask)
+{
+
+}
+
+void GfxDevice::SetStencilOp(EStencilOp op)
+{
+
+}
+
+void GfxDevice::SetAntiAliasing(int level /*= 0*/)
+{
+
+}
+
+void GfxDevice::Clear(int clearFlag)
+{
+
+}
+
+void GfxDevice::UseShader(Shader* shader, int idx)
+{
+    if (shader == NULL)
+        return;
+
+    GLuint id = shader->GetID();
+    if (id == 0)
+        return;
+
+    glUseProgram(id);
+
+	shader->ExecuteCommand();
+
+    m_Shader.shader = shader;
+}
+
+void GfxDevice::UnuseShader()
+{
+    if (m_Shader)
+    {
+        m_Shader.shader = NULL;
+    }
+    glUseProgram(0);
+}
+
+void GfxDevice::SetUniformVec2(const char* name, Vector2f vec2)
+{
+    if (!m_Shader)
+        return;
+    GLint loc = glGetUniformLocation(m_Shader.GetID(), name);
+    glUniform2f(loc, vec2.x, vec2.y);
+}
+
+void GfxDevice::SetUniformVec3(const char* name, Vector3f vec3)
+{
+    if (!m_Shader)
+        return;
+    GLint loc = glGetUniformLocation(m_Shader.GetID(), name);
+    glUniform3f(loc, vec3.x, vec3.y, vec3.z);
+}
+
+void GfxDevice::SetUniformVec4(const char* name, Vector4f vec4)
+{
+    if (!m_Shader)
+        return;
+    GLint loc = glGetUniformLocation(m_Shader.GetID(), name);
+    glUniform4f(loc, vec4.x, vec4.y, vec4.z, vec4.w);
+}
+
+void GfxDevice::SetUniformMat4(const char* name, Matrix44 mat4)
+{
+    if (!m_Shader)
+        return;
+    GLint loc = glGetUniformLocation(m_Shader.GetID(), name);
+    glUniformMatrix4fv(loc, 1, GL_TRUE, &mat4.m[0][0]);
+}
+
+void GfxDevice::SetUniformTexture(const char* name, Texture* texture)
+{
+    int texUnit = ClaimTextureUnit();
+    glActiveTexture(GL_TEXTURE0 + texUnit);
+	glBindTexture(GL_TEXTURE_2D, texture->GetGpuID());
+
+    GLint loc = glGetUniformLocation(m_Shader.GetID(), name);
+    glUniform1i(loc, texUnit);
+}
+
+void GfxDevice::BeginFrame()
+{
+	m_IsInsideFrame = true;
+	
+}
+
+void GfxDevice::EndFrame()
+{	
+	//GPU::BufferPool::Instance()->OnEndFrame();
+
+	m_IsInsideFrame = false;
+}
+
+void GfxDevice::PresentFrame()
+{
+// swap buffers
+}
+
+bool GfxDevice::IsInsideFrame()
+{
+	return m_IsInsideFrame;
+}