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Working directional light

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Tleety
2016-01-19 12:32:34 +01:00
parent 4b29d48f27
commit 46e17b7e0d
6 changed files with 27 additions and 29 deletions
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src/Engine/Rendering/LightCullingPass.cpp
+8 -12
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@@ -40,15 +40,14 @@ void LightCullingPass::OnResolutionChange()
void LightCullingPass::SetSSBOSizes()
{
m_NumberOfTiles = (int)(m_Renderer->Resolution().Width*m_Renderer->Resolution().Height)/TILE_SIZE;
//m_Frustums = new Frustum[s];
//m_LightGrid = new LightGrid[s];
//m_LightIndex = new float[s*200];
m_NumberOfTiles = (int)(m_Renderer->Resolution().Width/TILE_SIZE) * (int)(m_Renderer->Resolution().Height/TILE_SIZE);
m_Frustums = new Frustum[m_NumberOfTiles];
m_LightGrid = new LightGrid[m_NumberOfTiles];
m_LightIndex = new float[m_NumberOfTiles*MAX_LIGHTS_PER_TILE];
for (int i = 0; i < m_NumberOfTiles*MAX_LIGHTS_PER_TILE; i++) {
m_LightIndex[i] = -1;
}
}
void LightCullingPass::CullLights(RenderScene& scene)
@@ -75,7 +74,7 @@ void LightCullingPass::CullLights(RenderScene& scene)
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 2, m_LightGridSSBO);
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 3, m_LightOffsetSSBO);
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 4, m_LightIndexSSBO);
glDispatchCompute(m_Renderer->Resolution().Width / TILE_SIZE, m_Renderer->Resolution().Height / TILE_SIZE, 1);
glDispatchCompute(glm::ceil(m_Renderer->Resolution().Width / TILE_SIZE), glm::ceil(m_Renderer->Resolution().Height / TILE_SIZE), 1);
GLERROR("CullLights Error: End");
}
@@ -117,25 +116,22 @@ void LightCullingPass::InitializeSSBOs()
{
glGenBuffers(1, &m_FrustumSSBO);
glBindBuffer(GL_SHADER_STORAGE_BUFFER, m_FrustumSSBO);
glBufferData(GL_SHADER_STORAGE_BUFFER, sizeof(Frustum)*m_NumberOfTiles, m_Frustums, GL_DYNAMIC_COPY);
glBufferData(GL_SHADER_STORAGE_BUFFER, sizeof(Frustum)*m_NumberOfTiles, nullptr, GL_DYNAMIC_COPY);
glBindBuffer(GL_SHADER_STORAGE_BUFFER, 0);
GLERROR("m_FrustumSSBO");
glGenBuffers(1, &m_LightSSBO);
glBindBuffer(GL_SHADER_STORAGE_BUFFER, m_LightSSBO);
if(m_LightSources.size() > 0) {
glBufferData(GL_SHADER_STORAGE_BUFFER, sizeof(LightSource) * m_LightSources.size(), &(m_LightSources[0]), GL_DYNAMIC_COPY);
}
glBufferData(GL_SHADER_STORAGE_BUFFER, sizeof(LightSource) * 200, nullptr, GL_DYNAMIC_COPY);
glBindBuffer(GL_SHADER_STORAGE_BUFFER, 0);
GLERROR("m_LightSSBO");
glGenBuffers(1, &m_LightGridSSBO);
glBindBuffer(GL_SHADER_STORAGE_BUFFER, m_LightGridSSBO);
glBufferData(GL_SHADER_STORAGE_BUFFER, sizeof(LightGrid)*m_NumberOfTiles, m_LightGrid, GL_DYNAMIC_COPY);
glBufferData(GL_SHADER_STORAGE_BUFFER, sizeof(LightGrid)*m_NumberOfTiles, nullptr, GL_DYNAMIC_COPY);
glBindBuffer(GL_SHADER_STORAGE_BUFFER, 0);
GLERROR("m_LightGridSSBO");
glGenBuffers(1, &m_LightOffsetSSBO);
glBindBuffer(GL_SHADER_STORAGE_BUFFER, m_LightOffsetSSBO);
glBufferData(GL_SHADER_STORAGE_BUFFER, sizeof(m_LightOffset), &m_LightOffset, GL_DYNAMIC_COPY);