EpicSparrow/SparrowRenderer
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added stencil buffer for future use

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This commit is contained in:
Anselme 2017-08-23 17:12:43 +02:00
parent db4a174197
commit 2b324ec1da
6 changed files with 19 additions and 11 deletions
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11
src/deferredpipeline.cpp
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@ -43,11 +43,11 @@ GBuffer::GBuffer(int width, int height) : FrameBuffer()
tex->setUnit(EMISSION); tex->setUnit(EMISSION);
addTexture(tex, GL_COLOR_ATTACHMENT3); addTexture(tex, GL_COLOR_ATTACHMENT3);
// - depth buffer // - depth and stencil buffer
tex = new Texture(GL_DEPTH_COMPONENT, GL_DEPTH_COMPONENT, width, height, GL_FLOAT, GL_TEXTURE_RECTANGLE); tex = new Texture(GL_DEPTH_STENCIL, GL_DEPTH24_STENCIL8, width, height, GL_UNSIGNED_INT_24_8, GL_TEXTURE_RECTANGLE);
tex->setFiltering(GL_NEAREST); tex->setFiltering(GL_NEAREST);
tex->setUnit(DEPTH); tex->setUnit(DEPTH);
addTexture(tex, GL_DEPTH_ATTACHMENT); addTexture(tex, GL_DEPTH_STENCIL_ATTACHMENT);
initColorAttachments(); initColorAttachments();
} }
@ -120,7 +120,10 @@ void DeferredPipeline::renderGL(Scene *scene)
glDisable(GL_BLEND); glDisable(GL_BLEND);
glClearColor(0.0f, 0.0f, 0.0f, 1.f); glClearColor(0.0f, 0.0f, 0.0f, 1.f);
glClearDepth(1.0f); glClearDepth(1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glClearStencil(1);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
glStencilMask(0xFF);
glStencilFunc(GL_ALWAYS, 0, 0xFF); // always draw fragments (ignore the stencil buffer values for now)
// draw skybox // draw skybox
if(m_skybox != nullptr) if(m_skybox != nullptr)
{ {

6
src/light.cpp
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@ -226,14 +226,14 @@ void DirectionnalLight::updateShadowMap(Scene* scene)
m_shaders[shaderId]->bindMat4(m_shaders[shaderId]->getLocation("midShadowMVP"), lightMVP); m_shaders[shaderId]->bindMat4(m_shaders[shaderId]->getLocation("midShadowMVP"), lightMVP);
lightMVP = m_projectionMatrices[2] * (m_viewMatrices[2] * node->modelMatrix); lightMVP = m_projectionMatrices[2] * (m_viewMatrices[2] * node->modelMatrix);
m_shaders[shaderId]->bindMat4(m_shaders[shaderId]->getLocation("backShadowMVP"), lightMVP); m_shaders[shaderId]->bindMat4(m_shaders[shaderId]->getLocation("backShadowMVP"), lightMVP);
node->mesh->draw(m_shaders[shaderId], false, shaderId, false); node->mesh->draw(m_shaders[shaderId]);
} }
else else
{ {
m_shaders[shaderId]->bind(); m_shaders[shaderId]->bind();
glm::mat4 lightMVP = m_projectionMatrices[0] * (m_viewMatrices[0] * node->modelMatrix); glm::mat4 lightMVP = m_projectionMatrices[0] * (m_viewMatrices[0] * node->modelMatrix);
m_shaders[shaderId]->bindMat4(m_shaders[shaderId]->getLocation("MVP"), lightMVP); m_shaders[shaderId]->bindMat4(m_shaders[shaderId]->getLocation("MVP"), lightMVP);
node->mesh->draw(m_shaders[shaderId], false, shaderId, false); node->mesh->draw(m_shaders[shaderId]);
} }
} }
} }
@ -370,7 +370,7 @@ void PointLight::updateShadowMap(Scene* scene)
m_shaders[shaderId]->bindMat4(m_shaders[shaderId]->getLocation("modelMatrix"), node->modelMatrix); m_shaders[shaderId]->bindMat4(m_shaders[shaderId]->getLocation("modelMatrix"), node->modelMatrix);
m_shaders[shaderId]->bindMat4Array(m_shaders[shaderId]->getLocation("layerTransform"), m_shadowTransforms.data(), m_shadowTransforms.size()); m_shaders[shaderId]->bindMat4Array(m_shaders[shaderId]->getLocation("layerTransform"), m_shadowTransforms.data(), m_shadowTransforms.size());
m_shaders[shaderId]->bindFloat(m_shaders[shaderId]->getLocation("far_plane"), m_range); m_shaders[shaderId]->bindFloat(m_shaders[shaderId]->getLocation("far_plane"), m_range);
node->mesh->draw(m_shaders[shaderId], false, shaderId, false); node->mesh->draw(m_shaders[shaderId]);
} }
} }
tempGetShadowMap(); tempGetShadowMap();

6
src/mesh.cpp
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@ -171,8 +171,12 @@ void Mesh::initGL()
glBindVertexArray(0); glBindVertexArray(0);
} }
void Mesh::draw(Shader* shader, bool drawNormals, bool drawTexCoord, bool drawTangents) void Mesh::draw(Shader* shader)
{ {
if(isWireframe)
glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);
else
glStencilOp(GL_KEEP, GL_KEEP, GL_ZERO);
if(isDoubleSided) if(isDoubleSided)
glDisable(GL_CULL_FACE); glDisable(GL_CULL_FACE);
if(material != NULL) if(material != NULL)

2
src/mesh.h
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@ -102,7 +102,7 @@ public:
* - destroyGL releases the allocated GPU memory, destroyGL is called automatically in Mesh's destructor and at the beginning of initGL * - destroyGL releases the allocated GPU memory, destroyGL is called automatically in Mesh's destructor and at the beginning of initGL
*/ */
void initGL(); void initGL();
void draw(Shader* shader, bool drawNormals = true, bool drawTexCoord = true, bool drawTangents = true); void draw(Shader* shader);
void destroyGL(); void destroyGL();
/** /**

4
src/scene.h
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@ -43,8 +43,8 @@ public:
virtual SceneIterator<Light*>* getLights() = 0; virtual SceneIterator<Light*>* getLights() = 0;
virtual SceneIterator<GeometryNode*>* getGeometry() = 0; virtual SceneIterator<GeometryNode*>* getGeometry() = 0;
void getMeshTypes(std::vector<unsigned int> &meshTypes); virtual void getMeshTypes(std::vector<unsigned int> &meshTypes);
void getLightTypes(std::vector<unsigned int> &lightTypes); virtual void getLightTypes(std::vector<unsigned int> &lightTypes);
}; };
// A basic implementation : // A basic implementation :

1
src/skybox.cpp
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@ -54,6 +54,7 @@ void Skybox::renderGL(Camera* myCamera)
cubeMap->bind(0); cubeMap->bind(0);
glBindVertexArray(vao); glBindVertexArray(vao);
glStencilOp(GL_REPLACE, GL_REPLACE, GL_REPLACE);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, vbos[0]); glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, vbos[0]);
glDrawElements(GL_TRIANGLES, 36, GL_UNSIGNED_BYTE, NULL); glDrawElements(GL_TRIANGLES, 36, GL_UNSIGNED_BYTE, NULL);
glBindVertexArray(0); glBindVertexArray(0);