Math相关头文件移到hgl/math目录

example/DirectGLRender/main.cpp

@@ -2,9 +2,77 @@
 #include<hgl/render/RenderWindow.h>
 #include<iostream>
 #include<GLEWCore/glew.h>
+#include<hgl/render/Shader.h>
+#include<hgl/math/Math.h>
 
 using namespace hgl;
 
+constexpr uint screen_width=1280;
+constexpr uint screen_height=720;
+
+Matrix4f ortho_2d_matrix;
+
+void InitMatrix()
+{
+    ortho_2d_matrix=ortho2d(screen_width,screen_height,     //2D画面宽高
+                            false);                         //Y轴使用底为0顶为1
+}
+
+
+constexpr char vertex_shader[]=R"(
+#version 330 core
+
+uniform mat4 ModelViewProjectionMatrix;
+
+in vec2 Vertex;
+in vec3 Color;
+
+out vec4 FragmentColor;
+
+void main()
+{
+    vec4 Position;
+
+    FragmentColor=vec4(Color,1.0);
+
+    Position=vec4(Vertex,0.0,1.0);
+
+    gl_Position=Position*ModelViewProjectionMatrix;
+})";
+
+constexpr char fragment_shader[]=R"(
+#version 330 core
+
+in vec4 FragmentColor;
+out vec4 FragColor;
+
+void main()
+{
+    FragColor=vec4(FragmentColor.rgb,1);
+})";
+
+Shader shader;
+
+bool InitShader()
+{
+    if(!shader.AddVertexShader(vertex_shader))
+        return(false);
+
+    if(!shader.AddFragmentShader(fragment_shader))
+        return(false);
+
+    if(!shader.Build())
+        return(false);
+
+    if(!shader.Use())
+        return(false);
+
+    if(!shader.SetUniformMatrix4fv("ModelViewProjectionMatrix",ortho_2d_matrix))
+        return(false);
+
+    return(true);
+}
+
 constexpr GLfloat clear_color[4]=
 {
     77.f/255.f,
@@ -43,9 +111,17 @@ int main(void)
 
     RenderSetup rs;
 
-    RenderWindow *win=device->CreateWindow(1280,720,&ws,&rs);
+    RenderWindow *win=device->CreateWindow(screen_width,screen_height,&ws,&rs);
 
     win->MakeToCurrent();               //切换当前窗口到前台
+
+    InitMatrix();
+    if(!InitShader())
+    {
+        std::cerr<<"init shader failed."<<std::endl;
+        return -3;
+    }
+
     win->Show();
 
     while(win->IsOpen())

inc/hgl/math/Math.h

@@ -1,4 +1,4 @@
-#ifndef HGL_ALGORITHM_VECTOR_MATH_INCLUDE
+#ifndef HGL_ALGORITHM_VECTOR_MATH_INCLUDE
 #define HGL_ALGORITHM_VECTOR_MATH_INCLUDE
 
 #include<hgl/type/DataType.h>
@@ -6,11 +6,11 @@
 //注：GLM/CML(OpenGLMode)是列矩阵,计算坐标matrix*pos
 //   而MGL是行矩阵，需要反过来pos*matrix
 
-#include<hgl/algorithm/MathMGL.h>        // Game Math and Geometry Library
+#include<hgl/math/MathMGL.h>        // Game Math and Geometry Library
 
 namespace hgl
 {
-    namespace algorithm
+    namespace math
     {
         double Lsin(int angle);                                     ///<低精度sin计算,注意传入的参数为角度而非弧度
         double Lcos(int angle);                                     ///<低精度cos计算,注意传入的参数为角度而非弧度
@@ -150,6 +150,6 @@ namespace hgl
             result.x = center.x + ((source.x - center.x)*ac - (source.y - center.y)*as);
             result.y = center.y + ((source.x - center.x)*as + (source.y - center.y)*ac);
         }
-    }//namespace algorithm
+    }//namespace math
 }//namespace hgl
 #endif//HGL_ALGORITHM_VECTOR_MATH_INCLUDE

inc/hgl/math/MathMGL.h

@@ -1,4 +1,4 @@
-#ifndef HGL_ALGORITHM_VECTOR_MATH_MGL_INCLUDE
+#ifndef HGL_ALGORITHM_VECTOR_MATH_MGL_INCLUDE
 #define HGL_ALGORITHM_VECTOR_MATH_MGL_INCLUDE
 
 #ifdef _MSC_VER
@@ -119,11 +119,21 @@ namespace hgl
         return m.Inverted();
     }
 
-    inline Matrix4f ortho2d(float width,float height,float znear=0,float zfar=1)
+    /**
+     * 生成一个2D正角视图矩阵
+     * @param width 宽
+     * @param height 高
+     * @param top_to_bottom 从上到下(是否最顶部y轴为0，默认否)
+     * @param znear 近平面z值
+     * @param zfar 远平台z值
+     */
+    inline Matrix4f ortho2d(float width,float height,bool top_to_bottom=false,float znear=0,float zfar=1)
     {
         //MathGeoLib生成的2D正交矩阵中心是0,0，所以需要偏移
 
-        return Matrix4f::OpenGLOrthoProjRH(znear,zfar,width,height)*Matrix4f::Scale(1,-1,1)*Matrix4f::Translate(-(width/2.0f),-(height/2.0f),0);
+        return Matrix4f::OpenGLOrthoProjRH(znear,zfar,width,height)
+              *Matrix4f::Scale(1,top_to_bottom?-1:1,1)
+              *Matrix4f::Translate(-(width/2.0f),-(height/2.0f),0);
     }
 
     inline Matrix4f translate(const Vector3f &v)

inc/hgl/render/Shader.h

@@ -3,7 +3,7 @@
 
 #include<hgl/type/BaseString.h>
 #include<hgl/type/Map.h>
-#include<hgl/algorithm/Math.h>
+#include<hgl/math/Math.h>
 // #include<hgl/graph/UBO.h>
 // #include<hgl/graph/SSBO.h>
 namespace hgl

src/RenderDriver/CMakeLists.txt

@@ -1,2 +1,4 @@
-add_library(ULRE.RenderDriver STATIC    GLCore/RenderDriverGLCore.cpp)
+add_library(ULRE.RenderDriver STATIC    GLCore/RenderDriverGLCore.cpp
+                                        GLSL.cpp
+                                        Shader.cpp)
 

src/RenderDriver/GLSL.cpp

@@ -2,7 +2,7 @@
 //#include<hgl/LogInfo.h>
 #include<hgl/type/Smart.h>
 #include<malloc.h>
-#include<GL/glext.h>
+#include<GLEWCore/glew.h>
 
 namespace hgl
 {
@@ -67,7 +67,7 @@ namespace hgl
 
             delete[] log;
 
-            LOG_ERROR(shader_source);
+            //LOG_ERROR(shader_source);
 
             glDeleteShader(shader);
 
@@ -105,7 +105,7 @@ namespace hgl
         if(!shader_codes
             ||!(*shader_codes))return(false);
 
-        shader_index[shader_type]=CompileShader(OpenGLShaderType[shader_type],ShaderName[shader_type],shader_codes);
+        shader_index[shader_type]=CompileShader(OpenGLShaderType[shader_type],ShaderTypeName[shader_type],shader_codes);
 
         if(!shader_index[shader_type])
             return(false);