Implement edge vertex computation

QTProject/subdivision.compute

@@ -17,9 +17,12 @@ layout(std430, binding=1) readonly buffer EdgeIndices {
 };
 
 layout(std430, binding=2) writeonly buffer Output {
-    float data[];
+    Vertex edges[];
 };
 
 void main(){
-    data[gl_GlobalInvocationID.x] = vertices[gl_GlobalInvocationID.x].pos.x;
+    edges[gl_GlobalInvocationID.x].norm = vec3(0.0, 0.0, 0.0);
+    edges[gl_GlobalInvocationID.x].uv = vec2(0.0, 0.0);
+
+    edges[gl_GlobalInvocationID.x].pos = 3.0/8.0 * (vertices[indices[gl_GlobalInvocationID.x][0]].pos + vertices[indices[gl_GlobalInvocationID.x][1]].pos) + 1.0/8.0 * (vertices[indices[gl_GlobalInvocationID.x][2]].pos + vertices[indices[gl_GlobalInvocationID.y][3]].pos);
 }

QTProject/subdivision.cpp

@@ -303,10 +303,10 @@ void Subdivision::runShader(Mesh *mesh, QVector<QVector<unsigned int> > &edgeInd
     GLuint bufferID;
     f->glGenBuffers(1, &bufferID);
     f->glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 2, bufferID);
-    f->glBufferData(GL_SHADER_STORAGE_BUFFER, vb.size() * sizeof(GLfloat), NULL, GL_DYNAMIC_DRAW);
+    f->glBufferData(GL_SHADER_STORAGE_BUFFER, edgeIndices.size() * sizeof(Vertex), NULL, GL_DYNAMIC_DRAW);
 
     // Run the shader
-    f->glDispatchCompute(vb.size(), 1, 1);
+    f->glDispatchCompute(edgeIndices.size(), 1, 1);
 
     // Wait for the shader to complete and the data to be written back to the global memory
     f->glMemoryBarrier(GL_SHADER_STORAGE_BARRIER_BIT);
@@ -318,10 +318,10 @@ void Subdivision::runShader(Mesh *mesh, QVector<QVector<unsigned int> > &edgeInd
 
     // Map the output buffer so we can read the results
     f->glBindBuffer(GL_SHADER_STORAGE_BUFFER, bufferID);
-    GLfloat *ptr;
-    ptr = (GLfloat *) f->glMapBuffer(GL_SHADER_STORAGE_BUFFER, GL_WRITE_ONLY);
-    for (int i = 0; i < vb.size(); i++) {
-        qDebug() << ptr[i] << vb[i].pos.x();
+    Vertex *ptr;
+    ptr = (Vertex *) f->glMapBuffer(GL_SHADER_STORAGE_BUFFER, GL_WRITE_ONLY);
+    for (int i = 0; i < edgeIndices.size(); i++) {
+        qDebug() << ptr[i].pos;
     }
     f->glUnmapBuffer(GL_SHADER_STORAGE_BUFFER);