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Reunited Deferred Point Shader and Spot Shader

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Former-commit-id: 0a77f57d8af98387690748102f6cdcea5d5514ed
This commit is contained in:
Lynix
2014-01-11 10:21:33 +01:00
parent 16578e728f
commit cbce6e6e64
8 changed files with 47 additions and 160 deletions
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88
src/Nazara/Graphics/DeferredPhongLightingPass.cpp
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@@ -62,57 +62,10 @@ namespace
return program.release();
}
NzShaderProgram* BuildPointLightProgram()
NzShaderProgram* BuildPointSpotLightProgram()
{
const nzUInt8 fragmentSource[] = {
#include <Nazara/Graphics/Resources/DeferredShading/Shaders/PointLight.frag.h>
};
const char* vertexSource =
"#version 140\n"
"in vec3 VertexPosition;\n"
"uniform mat4 WorldViewProjMatrix;\n"
"void main()\n"
"{\n"
"\t" "gl_Position = WorldViewProjMatrix * vec4(VertexPosition, 1.0);" "\n"
"}\n";
///TODO: Remplacer ça par des ShaderNode
std::unique_ptr<NzShaderProgram> program(new NzShaderProgram(nzShaderLanguage_GLSL));
program->SetPersistent(false);
if (!program->LoadShader(nzShaderType_Fragment, NzString(reinterpret_cast<const char*>(fragmentSource), sizeof(fragmentSource))))
{
NazaraError("Failed to load fragment shader");
return nullptr;
}
if (!program->LoadShader(nzShaderType_Vertex, vertexSource))
{
NazaraError("Failed to load vertex shader");
return nullptr;
}
if (!program->Compile())
{
NazaraError("Failed to compile program");
return nullptr;
}
program->SendInteger(program->GetUniformLocation("GBuffer0"), 0);
program->SendInteger(program->GetUniformLocation("GBuffer1"), 1);
program->SendInteger(program->GetUniformLocation("GBuffer2"), 2);
return program.release();
}
NzShaderProgram* BuildSpotLightProgram()
{
const nzUInt8 fragmentSource[] = {
#include <Nazara/Graphics/Resources/DeferredShading/Shaders/SpotLight.frag.h>
#include <Nazara/Graphics/Resources/DeferredShading/Shaders/PointSpotLight.frag.h>
};
const char* vertexSource =
@@ -161,8 +114,10 @@ NzDeferredPhongLightingPass::NzDeferredPhongLightingPass() :
m_lightMeshesDrawing(false)
{
m_directionalLightProgram = BuildDirectionalLightProgram();
m_pointLightProgram = BuildPointLightProgram();
m_spotLightProgram = BuildSpotLightProgram();
m_pointSpotLightProgram = BuildPointSpotLightProgram();
m_pointSpotLightProgramDiscardLocation = m_pointSpotLightProgram->GetUniformLocation("Discard");
m_pointSpotLightProgramSpotLightLocation = m_pointSpotLightProgram->GetUniformLocation("SpotLight");
m_pointSampler.SetAnisotropyLevel(1);
m_pointSampler.SetFilterMode(nzSamplerFilter_Nearest);
@@ -252,21 +207,23 @@ bool NzDeferredPhongLightingPass::Process(const NzScene* scene, unsigned int fir
NzRenderer::SetRenderStates(lightStates);
NzRenderer::SetShaderProgram(m_pointSpotLightProgram);
m_pointSpotLightProgram->SendColor(m_pointSpotLightProgram->GetUniformLocation(nzShaderUniform_SceneAmbient), scene->GetAmbientColor());
m_pointSpotLightProgram->SendVector(m_pointSpotLightProgram->GetUniformLocation(nzShaderUniform_EyePosition), scene->GetViewer()->GetEyePosition());
NzMatrix4f lightMatrix;
lightMatrix.MakeIdentity();
if (!m_renderQueue->pointLights.empty())
{
NzRenderer::SetShaderProgram(m_pointLightProgram);
m_pointLightProgram->SendColor(m_pointLightProgram->GetUniformLocation(nzShaderUniform_SceneAmbient), scene->GetAmbientColor());
m_pointLightProgram->SendVector(m_pointLightProgram->GetUniformLocation(nzShaderUniform_EyePosition), scene->GetViewer()->GetEyePosition());
m_pointSpotLightProgram->SendBoolean(m_pointSpotLightProgramSpotLightLocation, false);
const NzIndexBuffer* indexBuffer = m_sphereMesh->GetIndexBuffer();
NzRenderer::SetIndexBuffer(indexBuffer);
NzRenderer::SetVertexBuffer(m_sphereMesh->GetVertexBuffer());
NzMatrix4f lightMatrix;
lightMatrix.MakeIdentity();
for (const NzLight* light : m_renderQueue->pointLights)
{
light->Enable(m_pointLightProgram, 0);
light->Enable(m_pointSpotLightProgram, 0);
lightMatrix.SetScale(NzVector3f(light->GetRadius()*1.1f)); // Pour corriger les imperfections liées à la sphère
lightMatrix.SetTranslation(light->GetPosition());
@@ -278,6 +235,8 @@ bool NzDeferredPhongLightingPass::Process(const NzScene* scene, unsigned int fir
NzRenderer::Enable(nzRendererParameter_FaceCulling, false);
NzRenderer::SetStencilCompareFunction(nzRendererComparison_Always);
m_pointSpotLightProgram->SendBoolean(m_pointSpotLightProgramDiscardLocation, true);
NzRenderer::DrawIndexedPrimitives(nzPrimitiveMode_TriangleList, 0, indexBuffer->GetIndexCount());
// Rendu de la sphère comme zone d'effet
@@ -287,6 +246,8 @@ bool NzDeferredPhongLightingPass::Process(const NzScene* scene, unsigned int fir
NzRenderer::SetStencilCompareFunction(nzRendererComparison_NotEqual, nzFaceSide_Back);
NzRenderer::SetStencilPassOperation(nzStencilOperation_Zero, nzFaceSide_Back);
m_pointSpotLightProgram->SendBoolean(m_pointSpotLightProgramDiscardLocation, false);
NzRenderer::DrawIndexedPrimitives(nzPrimitiveMode_TriangleList, 0, indexBuffer->GetIndexCount());
}
@@ -334,19 +295,15 @@ bool NzDeferredPhongLightingPass::Process(const NzScene* scene, unsigned int fir
if (!m_renderQueue->spotLights.empty())
{
NzRenderer::SetShaderProgram(m_spotLightProgram);
m_spotLightProgram->SendColor(m_spotLightProgram->GetUniformLocation(nzShaderUniform_SceneAmbient), scene->GetAmbientColor());
m_spotLightProgram->SendVector(m_spotLightProgram->GetUniformLocation(nzShaderUniform_EyePosition), scene->GetViewer()->GetEyePosition());
m_pointSpotLightProgram->SendBoolean(m_pointSpotLightProgramSpotLightLocation, true);
const NzIndexBuffer* indexBuffer = m_coneMesh->GetIndexBuffer();
NzRenderer::SetIndexBuffer(indexBuffer);
NzRenderer::SetVertexBuffer(m_coneMesh->GetVertexBuffer());
NzMatrix4f lightMatrix;
lightMatrix.MakeIdentity();
for (const NzLight* light : m_renderQueue->spotLights)
{
light->Enable(m_spotLightProgram, 0);
light->Enable(m_pointSpotLightProgram, 0);
float radius = light->GetRadius()*std::tan(NzDegreeToRadian(light->GetOuterAngle()))*1.1f;
lightMatrix.MakeTransform(light->GetPosition(), light->GetRotation(), NzVector3f(radius, radius, light->GetRadius()));
@@ -358,6 +315,8 @@ bool NzDeferredPhongLightingPass::Process(const NzScene* scene, unsigned int fir
NzRenderer::Enable(nzRendererParameter_FaceCulling, false);
NzRenderer::SetStencilCompareFunction(nzRendererComparison_Always);
m_pointSpotLightProgram->SendBoolean(m_pointSpotLightProgramDiscardLocation, true);
NzRenderer::DrawIndexedPrimitives(nzPrimitiveMode_TriangleList, 0, indexBuffer->GetIndexCount());
// Rendu de la sphère comme zone d'effet
@@ -368,6 +327,8 @@ bool NzDeferredPhongLightingPass::Process(const NzScene* scene, unsigned int fir
NzRenderer::SetStencilCompareFunction(nzRendererComparison_NotEqual, nzFaceSide_Back);
NzRenderer::SetStencilPassOperation(nzStencilOperation_Zero, nzFaceSide_Back);
m_pointSpotLightProgram->SendBoolean(m_pointSpotLightProgramDiscardLocation, false);
NzRenderer::DrawIndexedPrimitives(nzPrimitiveMode_TriangleList, 0, indexBuffer->GetIndexCount());
}
@@ -418,4 +379,3 @@ bool NzDeferredPhongLightingPass::Process(const NzScene* scene, unsigned int fir
return true;
}