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::RenderLines(RenderQueue* drawQueue){
//Fill vertex buffer
int bufferSize = 0;
for (auto& it : drawQueue->GetLineQueue()){
bufferSize += it.Lines.size();
}
int i = 0;
for (auto& it : drawQueue->GetLineQueue()){
memcpy(m_LineBuffer + i * sizeof(glm::vec2), it.Lines.data(), it.Lines.size() * sizeof(glm::vec2));
i += it.Lines.size();
}
glBindBuffer(GL_ARRAY_BUFFER, m_LineVBO);
glBufferSubData(GL_ARRAY_BUFFER, 0, bufferSize * sizeof(glm::vec2), m_LineBuffer);
glBindVertexArray(m_LineVAO);
//set shader
ShaderProgram* prog = g_ShaderBank.GetProgramFromHandle(m_LineProgram);
prog->Apply();
prog->SetUniformVec2("g_ScreenSize", glm::vec2(m_Width, m_Height));
prog->SetUniformVec2("g_ScreenPos", glm::vec2(0, 0));
//issue draw calls
i = 0;
glViewport(0, 0,m_Width,m_Height);
for (auto& it : drawQueue->GetLineQueue()){
prog->SetUniformVec4("g_Color", it.Color);
glDrawArrays(GL_LINES, i, it.Lines.size());
i += it.Lines.size();
}
}
void gfx::BasicRenderProgram::Draw(DrawData* data)
{
//draw
int flag = data->ShaderFlags;
g_ModelBank.ApplyBuffers( POS_NORMAL_TEX_TANGENT );
ShaderProgram* prog = g_ShaderBank.GetProgramFromHandle(m_ProgramHandle);
prog->Apply();
m_RenderJobManager->BindBuffers(prog);
GLint loc = -1;
if(flag & FRAGMENT_DIFFUSEMAP)
{
Texture* diffuse = g_MaterialBank.GetTextureAtlasTex(Texture_Atlas_Type::Diffuse);
loc = prog->FetchUniform("g_DiffuseTex");
diffuse->Apply(loc, 0);
prog->SetUniformBool("useDiffuse",true);
}
else
{
prog->SetUniformBool("useDiffuse",false);
}
if(flag & FRAGMENT_NORMALMAP)
{
Texture* normal = g_MaterialBank.GetTextureAtlasTex(Texture_Atlas_Type::Normal);
loc = prog->FetchUniform("g_NormalTex");
normal->Apply(loc, 1);
prog->SetUniformBool("useNormal",true);
}
else
{
prog->SetUniformBool("useNormal",false);
}
if(flag & FRAGMENT_ROUGHNESSMAP)
{
Texture* roughness = g_MaterialBank.GetTextureAtlasTex(Texture_Atlas_Type::Roughness);
loc = prog->FetchUniform("g_RoughnessTex");
roughness->Apply(loc, 2);
prog->SetUniformBool("useRoughness",true);
}
else
{
prog->SetUniformBool("useRoughness",false);
}
if(flag & FRAGMENT_METALMAP)
{
Texture* metal = g_MaterialBank.GetTextureAtlasTex(Texture_Atlas_Type::Metal);
loc = prog->FetchUniform("g_MetalTex");
metal->Apply(loc, 3);
prog->SetUniformBool("useMetal",true);
}
else
{
prog->SetUniformBool("useMetal",false);
}
BasicData* frameData = (BasicData*)(data->ExtraData);
prog->SetUniformInt("numPLights", frameData->PointLightCount);
prog->SetUniformInt("numDLights", frameData->DirLightCount);
prog->SetUniformUInt("BatchCounts",frameData->BatchOffset);
prog->SetUniformVec2("g_WorldSize", frameData->WorldSize);
prog->SetUniformMat4("ShadowMat",frameData->ShadowMat);
loc = prog->FetchUniform("g_LightCubeTex");
frameData->SkyTex->Apply(loc, 4);
loc = prog->FetchUniform("g_IrradianceCube");
frameData->IrradianceTex->Apply(loc, 5);
//fog tex
loc = prog->FetchUniform("g_FogOfWarTex");
glUniform1i(loc,6);
glActiveTexture(GL_TEXTURE6);
glBindTexture(GL_TEXTURE_2D, frameData->FogTex);
//fog tex
loc = prog->FetchUniform("g_ShadowMap");
glUniform1i(loc,7);
glActiveTexture(GL_TEXTURE7);
glBindTexture(GL_TEXTURE_2D, frameData->ShadowTex);
if (m_HasDrawID)
{
GPU_PROFILE( AutoGPUProfiler gpMultiDraw( "BasicRenderProgramMultiDrawElementsIndirect" ); );
glMultiDrawElementsIndirect(GL_TRIANGLES, GL_UNSIGNED_INT, (GLvoid*)(sizeof(IndirectDrawCall) * (frameData->BatchOffset)), frameData->BatchCount, 0);
GPU_PROFILE( gpMultiDraw.Stop(); );
