1 files changed, 105 insertions, 6 deletions

diff --git a/gl_calls.cpp b/gl_calls.cpp
index fcb7fd9..8a7b905 100644
--- a/gl_calls.cpp
+++ b/gl_calls.cpp
@@ -1,3 +1,6 @@
+#include "gl_calls.h"
+
+
 const char *DefaultVertexShaderSource = "#version 330 core\n"
 "layout (location = 0) in vec3 aPos;\n"
 "layout (location = 1) in vec2 aTexCoord;\n"
@@ -75,7 +78,7 @@ const char *fragmentShaderSource = "#version 330 core\n"
 #endif
 
 
-static void TestGL_InitDefaultShader() {
+static void GL_InitDefaultShader() {
     DefaultVertexShader = glCreateShader(GL_VERTEX_SHADER);
 
     glShaderSource(DefaultVertexShader, 1, &DefaultVertexShaderSource, NULL);
@@ -121,7 +124,7 @@ static void TestGL_InitDefaultShader() {
     glDeleteShader(DefaultFragmentShader);
 }
 
-static void TestGL_InitDefaultVerts() {
+static void GL_InitDefaultVerts() {
 
     unsigned int GLIndices[] = {
         0, 1, 3,
@@ -139,7 +142,7 @@ static void TestGL_InitDefaultVerts() {
 
     // Our vertices need to be stored in this buffer.
     glBindBuffer(GL_ARRAY_BUFFER, DefaultVerts.VertexBufferObject);
-    glBufferData(GL_ARRAY_BUFFER, sizeof(DefaultVertices), DefaultVertices, GL_STATIC_DRAW);
+    glBufferData(GL_ARRAY_BUFFER, sizeof(GL_DefaultVertices), GL_DefaultVertices, GL_STATIC_DRAW);
 
     // position attribute
     glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 5 * sizeof(float), (void*)0);
@@ -150,7 +153,7 @@ static void TestGL_InitDefaultVerts() {
 }
 
 void
-TestGL_InitTexture(gl_effect_layer *Test)
+GL_InitTexture(gl_effect_layer *Test)
 {
     glGenFramebuffers(1, &Test->FramebufferObject);
     glGenTextures(1, &Test->Texture);
@@ -160,12 +163,12 @@ TestGL_InitTexture(gl_effect_layer *Test)
 }
 
 void
-TestGL_UpdateTexture(gl_effect_layer *Test, void *Data, uint16 Width, uint16 Height, bool32 Multisample)
+GL_UpdateTexture(gl_effect_layer *Test, void *Data, uint16 Width, uint16 Height, bool32 Multisample)
 {
     glViewport(0, 0, Width, Height);
 
     if (!Test->Initialized) {
-        TestGL_InitTexture(Test);
+        GL_InitTexture(Test);
     }
 
     GLenum Target = GL_TEXTURE_2D;
@@ -213,3 +216,99 @@ TestGL_UpdateTexture(gl_effect_layer *Test, void *Data, uint16 Width, uint16 Hei
 
     glBindFramebuffer(GL_FRAMEBUFFER, 0);
 }
+
+static void
+GL_RasterizeShape(project_layer *Layer, mask *Mask)
+{
+    gl_effect_layer Test = Layer->BitmapInfo.TestM;
+    gl_effect_layer Test2 = Layer->BitmapInfo.Test;
+    gl_vertex_shader VertData;
+
+    uint32 Width = Layer->Source->Info.Width;
+    uint32 Height = Layer->Source->Info.Height;
+
+    uint8 *Data = (uint8 *)Layer->BitmapInfo.BitmapBuffer;
+    glBindFramebuffer(GL_FRAMEBUFFER, Test.FramebufferObject);
+
+	glEnable(GL_STENCIL_TEST);
+    // glStencilOp(GL_KEEP, GL_REPLACE, GL_REPLACE);
+	glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
+    glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
+    glClear(GL_COLOR_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
+
+    glStencilFunc(GL_ALWAYS, 0, 0xFF);   // always write
+    glStencilMask(0xff);                 // allow writing; ANDs any writes to the stencil buffer with this
+
+	glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
+
+    glUseProgram(DefaultShaderProgram);
+
+    int VertexMode = glGetUniformLocation(DefaultShaderProgram, "VertexMode");
+    int FragmentMode = glGetUniformLocation(DefaultShaderProgram, "FragmentMode");
+    glUniform1i(VertexMode, 1);
+    glUniform1i(FragmentMode, 0);
+
+    // secondary VBO
+    glGenVertexArrays(1, &VertData.VertexArrayObject);
+    glGenBuffers(1, &VertData.VertexBufferObject);
+    glBindVertexArray(VertData.VertexArrayObject);
+    glBindBuffer(GL_ARRAY_BUFFER, VertData.VertexBufferObject);
+    glBufferData(GL_ARRAY_BUFFER, Mask->NumberOfVerts*3*sizeof(real32), Mask->TriangulatedPointCache, GL_STREAM_DRAW);
+
+    // position attribute
+    glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(float), (void*)0);
+    glEnableVertexAttribArray(0);
+
+    int Scale = glGetUniformLocation(DefaultShaderProgram, "CompDimensions");
+    glUniform3f(Scale, Width, Height, 0);
+
+
+	glStencilOpSeparate(GL_FRONT, GL_KEEP, GL_KEEP, GL_INCR_WRAP);
+	glStencilOpSeparate(GL_BACK, GL_KEEP, GL_KEEP, GL_DECR_WRAP);
+
+	glDisable(GL_CULL_FACE);
+
+	glDrawArrays(GL_TRIANGLE_FAN, 0, Mask->NumberOfVerts);
+
+	// glEnable(GL_CULL_FACE);
+
+	glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
+
+    glBindVertexArray(0);
+
+    // glBindRenderbuffer(GL_RENDERBUFFER, Test.Color_Renderbuffer);
+
+    VertexMode = glGetUniformLocation(DefaultShaderProgram, "VertexMode");
+    FragmentMode = glGetUniformLocation(DefaultShaderProgram, "FragmentMode");
+    glUniform1i(VertexMode, 0);
+    glUniform1i(FragmentMode, 1);
+
+
+    // // Switch to main buffer
+    glBindBuffer(GL_ARRAY_BUFFER, DefaultVerts.VertexBufferObject);
+    glBufferData(GL_ARRAY_BUFFER, sizeof(GL_DefaultVertices), GL_DefaultVertices, GL_STATIC_DRAW);
+    // position attribute
+    glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 5 * sizeof(float), (void*)0);
+    glEnableVertexAttribArray(0);
+    // texture coordinate (note the last parameter's offset)
+    glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 5 * sizeof(float), (void*)(3 * sizeof(float)));
+    glEnableVertexAttribArray(1);
+
+    glStencilFunc(GL_NOTEQUAL, 0, 0xFF);
+	glStencilOp(GL_ZERO, GL_ZERO, GL_ZERO);
+    glDrawElements(GL_TRIANGLE_STRIP, 6, GL_UNSIGNED_INT, 0);
+
+	glDisable(GL_STENCIL_TEST);
+    glStencilMask(0xFF);
+    glStencilFunc(GL_ALWAYS, 0, 0xFF);
+
+    glBindFramebuffer(GL_READ_FRAMEBUFFER, Test.FramebufferObject);
+    glBindFramebuffer(GL_DRAW_FRAMEBUFFER, Test2.FramebufferObject);
+    glBlitFramebuffer(0, 0, Width, Height, 0, 0, Width, Height,
+                      GL_COLOR_BUFFER_BIT, GL_NEAREST);
+    glBindFramebuffer(GL_FRAMEBUFFER, Test2.FramebufferObject);
+
+    glReadPixels(0, 0, Width, Height, GL_RGBA, GL_UNSIGNED_BYTE, &Data[0]);
+
+    glBindFramebuffer(GL_FRAMEBUFFER, 0);
+}