From 607165311e6477d816f115e151e47c46d0b029ec Mon Sep 17 00:00:00 2001
From: blobt <klm777x7@gmail.com>
Date: Sat, 20 Jun 2020 22:42:28 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BD=BF=E7=94=A8cpu=E5=88=9B=E5=BB=BA?=
 =?UTF-8?q?=E5=85=A8=E5=B1=8F=E7=94=BB=E5=B8=83?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .vs/shader2/v14/.suo            | Bin 40960 -> 37888 bytes
 main.cpp                        |  23 +----------------------
 res/shader/UI FullScreemQuad.vs |  16 ++++++++++++++++
 shader2.vcxproj                 |   1 +
 shader2.vcxproj.filters         |   3 +++
 5 files changed, 21 insertions(+), 22 deletions(-)
 create mode 100644 res/shader/UI FullScreemQuad.vs

diff --git a/.vs/shader2/v14/.suo b/.vs/shader2/v14/.suo
index cefb1ec9ebb4554d46eac0e7d23095fe2bf5156d..ec3bdb4025a3ec2eb6a19927666fe30879318674 100644
GIT binary patch
delta 1797
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delta 2053
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diff --git a/main.cpp b/main.cpp
index deaea6c..d476477 100644
--- a/main.cpp
+++ b/main.cpp
@@ -87,7 +87,7 @@ INT WINAPI WinMain(HINSTANCE hinstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
 	glewInit();
 
 	/*创建program*/
-	GLuint program = CreateGPUProgram("res/shader/UI.vs", "res/shader/UI.fs");
+	GLuint program = CreateGPUProgram("res/shader/UI FullScreemQuad.vs", "res/shader/UI.fs");
 
 	GLuint posLocation, texcoordLocation, normalLocation, MLocation, VLocation, PLocation, NMLocation, textureLocation;
 	posLocation = glGetAttribLocation(program, "pos");
@@ -109,27 +109,6 @@ INT WINAPI WinMain(HINSTANCE hinstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
 		printf("load obj model fail\n");
 	}
 
-	float z = 4.0f;
-	float halfFOV = 22.5f;
-	float randianHalfFOV = 3.14 * halfFOV / 180.0f;//角度转弧度
-	float tanHalfFOV = sinf(randianHalfFOV) / cosf(randianHalfFOV);
-	float y = tanHalfFOV * z;
-	float aspect = (float)windowWidth / (float)windowHeight;
-	float x = y * aspect;
-
-	vertexes[0].position[0] = -x;
-	vertexes[0].position[1] = -y;
-
-	vertexes[1].position[0] = x;
-	vertexes[1].position[1] = -y;
-
-	vertexes[2].position[0] = -x;
-	vertexes[2].position[1] = y;
-
-	vertexes[3].position[0] = x;
-	vertexes[3].position[1] = y;
-
-
 	/*创建vbo*/
 	GLuint vbo = CreateBufferObject(GL_ARRAY_BUFFER, sizeof(VertexData) * vertexCount, GL_STATIC_DRAW, vertexes);
 
diff --git a/res/shader/UI FullScreemQuad.vs b/res/shader/UI FullScreemQuad.vs
new file mode 100644
index 0000000..6fdc552
--- /dev/null
+++ b/res/shader/UI FullScreemQuad.vs	
@@ -0,0 +1,16 @@
+attribute vec3 pos;
+attribute vec2 texcoord;
+attribute vec3 normal;
+
+uniform mat4 M;
+uniform mat4 V;
+uniform mat4 P;
+uniform mat4 NM;
+
+varying vec2 V_Texcoord;
+
+void main() {
+	vec4 position = vec4(pos.x*2,pos.y*2,pos.z,1.0);
+	V_Texcoord = texcoord;
+	gl_Position = position;	
+}
\ No newline at end of file
diff --git a/shader2.vcxproj b/shader2.vcxproj
index dc94119..df7376d 100644
--- a/shader2.vcxproj
+++ b/shader2.vcxproj
@@ -157,6 +157,7 @@
   <ItemGroup>
     <None Include="res\shader\test.fs" />
     <None Include="res\shader\test.vs" />
+    <None Include="res\shader\UI FullScreemQuad.vs" />
     <None Include="res\shader\UI.fs" />
     <None Include="res\shader\UI.vs" />
   </ItemGroup>
diff --git a/shader2.vcxproj.filters b/shader2.vcxproj.filters
index 238dbbd..9c7e1f9 100644
--- a/shader2.vcxproj.filters
+++ b/shader2.vcxproj.filters
@@ -46,5 +46,8 @@
     <None Include="res\shader\UI.vs">
       <Filter>婧愭枃浠�</Filter>
     </None>
+    <None Include="res\shader\UI FullScreemQuad.vs">
+      <Filter>婧愭枃浠�</Filter>
+    </None>
   </ItemGroup>
 </Project>
\ No newline at end of file