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Shadow WIP stage 2

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- fix cel-shading
This commit is contained in:
Ayumiwii
2016-02-10 11:48:44 +01:00
parent ecd823cb9f
commit 6af167675d
3 changed files with 57 additions and 45 deletions
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src/Engine/Rendering/ShadowPass.cpp
+33 -28
View File
@@ -25,13 +25,14 @@ void ShadowPass::InitializeFrameBuffers()
// Depth texture
glGenTextures(1, &m_DepthMap);
glBindTexture(GL_TEXTURE_2D, m_DepthMap);
glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT, resolutionSizeWidth, resolutionSizeHeigth, 0, GL_DEPTH_COMPONENT, GL_FLOAT, nullptr);
glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT32, resolutionSizeWidth, resolutionSizeHeigth, 0, GL_DEPTH_COMPONENT, GL_FLOAT, nullptr);
//glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB16F, m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height, 0, GL_RGB, GL_FLOAT, 0);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
m_DepthBuffer.AddResource(std::shared_ptr<BufferResource>(new Texture2D(&m_DepthMap, GL_DEPTH_ATTACHMENT)));
//m_DepthBuffer.AddResource(std::shared_ptr<BufferResource>(new Texture2D(&m_DepthMap, GL_COLOR_ATTACHMENT0)));
m_DepthBuffer.Generate();
@@ -66,47 +67,51 @@ void ShadowPass::Draw(RenderScene & scene)
m_ShadowProgram->Bind();
glViewport(0, 0, resolutionSizeWidth, resolutionSizeHeigth);
glCullFace(GL_FRONT);
glCullFace(GL_BACK);
//state->Disable(GL_CULL_FACE);
ImGui::DragFloat4("ShadowMapCam", m_LRBT, 1.f, -1000.f, 1000.f);
ImGui::DragFloat2("ShadowMapNearFar", m_NearFarPlane, 1.f, -1000.f, 1000.f);
ImGui::Checkbox("EnableShadow", &m_ShadowOn);
for (auto &job : scene.DirectionalLightJobs) {
auto directionalLightJob = std::dynamic_pointer_cast<DirectionalLightJob>(job);
if (m_ShadowOn == true)
{
for (auto &job : scene.DirectionalLightJobs) {
auto directionalLightJob = std::dynamic_pointer_cast<DirectionalLightJob>(job);
if(directionalLightJob) {
//m_LightProjection = glm::ortho(m_LRBT[Left], m_LRBT[Right], m_LRBT[Bottom], m_LRBT[Top], m_NearFarPlane[Near], m_NearFarPlane[Far]);
m_LightProjection = glm::ortho(m_LRBT[Left], m_LRBT[Right], m_LRBT[Bottom], m_LRBT[Top], m_NearFarPlane[Near], m_NearFarPlane[Far]);
m_LightView = glm::lookAt(-glm::normalize(glm::vec3(directionalLightJob->Direction)), glm::vec3(0.f,0.f,0.f), glm::vec3(0.f,1.f,0.f));
//m_LightView = glm::lookAt(glm::vec3(-20.0f, 20.0f, -20.0f), glm::vec3(0.0f), glm::vec3(1.0));
m_LightSpaceMatrix = m_LightProjection * m_LightView;
if(directionalLightJob) {
//m_LightProjection = glm::ortho(m_LRBT[Left], m_LRBT[Right], m_LRBT[Bottom], m_LRBT[Top], m_NearFarPlane[Near], m_NearFarPlane[Far]);
m_LightProjection = glm::ortho(m_LRBT[Left], m_LRBT[Right], m_LRBT[Bottom], m_LRBT[Top], m_NearFarPlane[Near], m_NearFarPlane[Far]);
m_LightView = glm::lookAt(-glm::normalize(glm::vec3(directionalLightJob->Direction)), glm::vec3(0.f,0.f,0.f), glm::vec3(0.f,1.f,0.f));
//m_LightView = glm::lookAt(glm::vec3(-20.0f, 20.0f, -20.0f), glm::vec3(0.0f), glm::vec3(1.0));
m_LightSpaceMatrix = m_LightProjection * m_LightView;
glUniformMatrix4fv(glGetUniformLocation(shaderHandle, "P"), 1, GL_FALSE, glm::value_ptr(m_LightProjection));
glUniformMatrix4fv(glGetUniformLocation(shaderHandle, "V"), 1, GL_FALSE, glm::value_ptr(m_LightView));
glUniformMatrix4fv(glGetUniformLocation(shaderHandle, "P"), 1, GL_FALSE, glm::value_ptr(m_LightProjection));
glUniformMatrix4fv(glGetUniformLocation(shaderHandle, "V"), 1, GL_FALSE, glm::value_ptr(m_LightView));
GLERROR("ShadowLight ERROR");
GLERROR("ShadowLight ERROR");
for (auto &objectJob : scene.OpaqueObjects) {
auto modelJob = std::dynamic_pointer_cast<ModelJob>(objectJob);
for (auto &objectJob : scene.OpaqueObjects) {
auto modelJob = std::dynamic_pointer_cast<ModelJob>(objectJob);
glUniformMatrix4fv(glGetUniformLocation(shaderHandle, "M"), 1, GL_FALSE, glm::value_ptr(modelJob->Matrix));
glUniformMatrix4fv(glGetUniformLocation(shaderHandle, "M"), 1, GL_FALSE, glm::value_ptr(modelJob->Matrix));
glBindVertexArray(modelJob->Model->VAO);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, modelJob->Model->ElementBuffer);
glDrawElements(GL_TRIANGLES, modelJob->EndIndex - modelJob->StartIndex + 1, GL_UNSIGNED_INT, (void*)(modelJob->StartIndex * sizeof(unsigned int)));
glBindVertexArray(modelJob->Model->VAO);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, modelJob->Model->ElementBuffer);
glDrawElements(GL_TRIANGLES, modelJob->EndIndex - modelJob->StartIndex + 1, GL_UNSIGNED_INT, (void*)(modelJob->StartIndex * sizeof(unsigned int)));
GLERROR("Shadow Draw ERROR");
GLERROR("Shadow Draw ERROR");
}
}
}
m_DepthBuffer.Unbind();
delete state;
}
m_DepthBuffer.Unbind();
delete state;
}