void gfx::LineRenderProgram::Draw()
{
glDisable( GL_DEPTH_TEST );
glLineWidth(4.0f);
glEnable(GL_BLEND);
ShaderProgram* prog = g_ShaderBank.GetProgramFromHandle(m_ProgramHandle);
prog->Apply();
glm::mat4 vp = m_RenderJobManager->GetProj() * m_RenderJobManager->GetView();
prog->SetUniformMat4("vp", vp);
rVector<Line>& lines = m_RenderJobManager->GetLines();
for(int i = 0; i < lines.size(); i++)
{
prog->SetUniformVec4("Color", lines[i].Color);
prog->SetUniformVec3("pos1", lines[i].Origin);
prog->SetUniformVec3("pos2", lines[i].Destination);
prog->SetUniformFloat("animation", lines[i].AnimationProgres);
if(lines[i].Dashed)
{
prog->SetUniformTextureHandle("Tex", m_DashedTexture, 0);
}
else
{
prog->SetUniformTextureHandle("Tex", m_Texture, 0);
}
glBindVertexArray( 0 );
glDrawArrays(GL_POINTS, 0, 1);
}
glUseProgram( 0 );
glEnable( GL_DEPTH_TEST );
glLineWidth(1.0f);
glDisable(GL_BLEND);
}
void gfx::BloomProgram::Render(){
//Do brightpass
ShaderProgram* prog = g_ShaderBank.GetProgramFromHandle(m_BrightPassShader);
prog->Apply();
const int WORK_GROUP_SIZE = 32;
GLuint WorkGroupSizeX = GLuint((m_Width + WORK_GROUP_SIZE - 1) / float(WORK_GROUP_SIZE));
GLuint WorkGroupSizeY = GLuint((m_Height + WORK_GROUP_SIZE - 1) / float(WORK_GROUP_SIZE));
prog->SetUniformTextureHandle("g_Image", m_TargetTex, 1);
prog->SetUniformVec2("g_ScreenSize", glm::vec2(m_Width, m_Height));
prog->SetUniformFloat("g_Threshold", 0.4f);
prog->SetUniformFloat("g_Smoothness", 0.8f);
glBindImageTexture(0, m_BloomTexture, 0, GL_FALSE, 0, GL_WRITE_ONLY, GL_RGBA8);
glDispatchCompute(WorkGroupSizeX, WorkGroupSizeY, 1);
//blur result
m_BlurProgram->Render();
//add to final target
prog = g_ShaderBank.GetProgramFromHandle(m_BloomShader);
prog->Apply();
prog->SetUniformTextureHandle("g_BluredBloomTex", m_BlurProgram->GetBluredTexture(), 1);
prog->SetUniformTextureHandle("g_ColorBuffer", m_TargetTex, 2);
prog->SetUniformVec2("g_ScreenSize", glm::vec2(m_Width, m_Height));
glBindImageTexture(0, m_BloomTexture, 0, GL_FALSE, 0, GL_WRITE_ONLY, GL_RGBA8);
glDispatchCompute(WorkGroupSizeX, WorkGroupSizeY, 1);
}
void gfx::GraphicsEngine::RenderGeometry(RenderQueue* drawQueue){
glViewport(0, BUTTON_SIZE, (GLsizei)(m_Width * 0.5f), (GLsizei)m_Height - BUTTON_SIZE * 2);
//glDisable(GL_BLEND);
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_DEPTH_TEST);
g_ModelBank.ApplyBuffers();
ShaderProgram* prog = g_ShaderBank.GetProgramFromHandle(m_Shader);
prog->Apply();
prog->SetUniformMat4("g_ViewProj", m_Camera.GetViewProjection());
prog->SetUniformVec3("g_Campos", m_Camera.GetPosition());
glm::vec3 lightDir = glm::vec3(0.5f,-1,0.5f);
static float lightangle = 4.0f;
glm::vec4 temp = glm::vec4(lightDir, 0) * glm::rotate(lightangle, glm::vec3(0, 1, 0));
prog->SetUniformVec3("g_LightDir", glm::vec3(temp.x, temp.y, temp.z));
prog->SetUniformVec3("g_CamDir", m_Camera.GetForward());
m_SkyTex->Apply(prog->FetchUniform("g_SkyCubeTex"), 1);
m_IrradianceTex->Apply(prog->FetchUniform("g_IrradianceCubeTex"), 2);
for (auto& object : drawQueue->GetQueue()){
Model model = g_ModelBank.FetchModel(object.Model);
prog->SetUniformMat4("g_World", object.world);
for (auto& mesh : model.Meshes){
Material* mat = g_MaterialBank.GetMaterial(model.MaterialOffset + mesh.Material);
Texture* albedoTex = g_MaterialBank.GetTexture(mat->GetAlbedoTexture());
Texture* normalTex = g_MaterialBank.GetTexture(mat->GetNormalTexture());
Texture* roughnessTex = g_MaterialBank.GetTexture(mat->GetRoughnessTexture());
Texture* metalTex = g_MaterialBank.GetTexture(mat->GetMetalTexture());
prog->SetUniformTextureHandle("g_DiffuseTex", albedoTex->GetHandle(), 0);
prog->SetUniformTextureHandle("g_NormalTex", normalTex->GetHandle(), 3);
prog->SetUniformTextureHandle("g_RoughnessTex", roughnessTex->GetHandle(), 4);
prog->SetUniformTextureHandle("g_MetallicTex", metalTex->GetHandle(), 5);
glDrawElements(GL_TRIANGLES, mesh.Indices, GL_UNSIGNED_INT,
(GLvoid*)(0 + ((model.IndexHandle + mesh.IndexBufferOffset) * sizeof(unsigned int))));
}
}
}