DrawPass now moved to it's own class to make renderer cleaner.

2015-12-11 14:22:54 +01:00
parent 2366cd3520
commit 433331e752
6 changed files with 133 additions and 72 deletions
@@ -0,0 +1,61 @@
+#include "Rendering/DrawScenePass.h"
+
+DrawScenePass::DrawScenePass(IRenderer* renderer)
+{
+    m_Renderer = renderer;
+    InitializeTextures();
+    InitializeShaderPrograms();
+}
+
+void DrawScenePass::InitializeTextures()
+{
+    m_WhiteTexture = ResourceManager::Load<Texture>("Textures/Core/Blank.png");
+
+}
+
+void DrawScenePass::InitializeShaderPrograms()
+{
+    //Gör så att shaders är en resource, tex som texture classen. Konstruktorn måste vara privat.
+    m_BasicForwardProgram.AddShader(std::shared_ptr<Shader>(new VertexShader("Shaders/BasicForward.vert.glsl")));
+    m_BasicForwardProgram.AddShader(std::shared_ptr<Shader>(new FragmentShader("Shaders/BasicForward.frag.glsl")));
+    m_BasicForwardProgram.Compile();
+    m_BasicForwardProgram.Link();
+}
+
+void DrawScenePass::Draw(RenderQueueCollection& rq)
+{
+    glBindFramebuffer(GL_FRAMEBUFFER, 0);
+
+    DrawScenePassState state;
+
+    //TODO: Render: Add code for more jobs than modeljobs.
+    for (auto &job : rq.Forward) {
+        auto modelJob = std::dynamic_pointer_cast<ModelJob>(job);
+        if (modelJob) {
+            GLuint ShaderHandle = m_BasicForwardProgram.GetHandle();
+
+            m_BasicForwardProgram.Bind();
+            //TODO: Kolla upp "header/include/common" shader saken så man slipper skicka in asmycket uniforms
+            glUniformMatrix4fv(glGetUniformLocation(ShaderHandle, "M"), 1, GL_FALSE, glm::value_ptr(modelJob->ModelMatrix));
+            glUniformMatrix4fv(glGetUniformLocation(ShaderHandle, "V"), 1, GL_FALSE, glm::value_ptr(m_Renderer->Camera()->ViewMatrix()));
+            glUniformMatrix4fv(glGetUniformLocation(ShaderHandle, "P"), 1, GL_FALSE, glm::value_ptr(m_Renderer->Camera()->ProjectionMatrix()));
+            glUniform4fv(glGetUniformLocation(ShaderHandle, "Color"), 1, glm::value_ptr(modelJob->Color));
+
+            //TODO: Renderer: bättre textur felhantering samt fler texturer stöd
+            if (modelJob->DiffuseTexture != nullptr) {
+                glActiveTexture(GL_TEXTURE0);
+                glBindTexture(GL_TEXTURE_2D, modelJob->DiffuseTexture->m_Texture);
+            } else {
+                glActiveTexture(GL_TEXTURE0);
+                glBindTexture(GL_TEXTURE_2D, m_WhiteTexture->m_Texture);
+            }
+
+            glBindVertexArray(modelJob->Model->VAO);
+            glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, modelJob->Model->ElementBuffer);
+            glDrawElementsBaseVertex(GL_TRIANGLES, modelJob->EndIndex - modelJob->StartIndex + 1, GL_UNSIGNED_INT, 0, modelJob->StartIndex);
+
+            continue;
+        }
+    }
+    GLERROR("DrawScene Error");
+}