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Begin clean-up

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This commit is contained in:
FakeShemp
2016-02-26 10:53:16 +01:00
parent df2e4abb52
commit f220d8088c
3 changed files with 29 additions and 42 deletions
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src/Engine/Rendering/ShadowPass.cpp
+17 -18
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@@ -11,14 +11,14 @@ ShadowPass::ShadowPass(IRenderer * renderer)
ShadowPass::~ShadowPass()
{
// m_shadCams
}
void ShadowPass::InitializeCameras(RenderScene & scene)
{
for (int i = 0; i < m_CurrentNrOfSplits; i++) {
m_shadFrusta[i].AspectRatio = scene.Camera->AspectRatio();
m_shadFrusta[i].FOV = scene.Camera->FOV();
m_shadowFrusta[i].AspectRatio = scene.Camera->AspectRatio();
m_shadowFrusta[i].FOV = scene.Camera->FOV();
}
}
@@ -69,7 +69,7 @@ void ShadowPass::UpdateFrustumPoints(Frustum& frustum, glm::vec3 camera_position
frustum.CornerPoint[6] = far_center + up * far_height + right * far_width;
frustum.CornerPoint[7] = far_center - up * far_height + right * far_width;
// Alternative way
// Alternative way.
//std::array<glm::vec4, 8> CornerPoint = {
// glm::vec4(-1.f, -1.f, -1.f, 1.f),
// glm::vec4(-1.f, 1.f, -1.f, 1.f),
@@ -80,12 +80,12 @@ void ShadowPass::UpdateFrustumPoints(Frustum& frustum, glm::vec3 camera_position
// glm::vec4(1.f, 1.f, 1.f, 1.f),
// glm::vec4(1.f, -1.f, 1.f, 1.f) };
//std::array<glm::vec3, 8> final;
//std::array<glm::vec3, 8> FinalPoints;
//for (int i = 0; i < 8; i++) {
// glm::vec4 anus = glm::inverse(p) * CornerPoint[i];
// anus = anus / anus.w;
// final[i] = glm::vec3(glm::inverse(v) * anus);
// glm::vec4 NDC = glm::inverse(p) * CornerPoint[i];
// NDC = NDC / NDC.w;
// FinalPoints[i] = glm::vec3(glm::inverse(v) * NDC);
//}
}
@@ -111,7 +111,7 @@ void ShadowPass::InitializeFrameBuffers()
for (int i = 0; i < m_CurrentNrOfSplits; i++) {
glBindTexture(GL_TEXTURE_2D, m_DepthMap[i]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT16, resolutionSizeWidth / (1 /*+ i*/), resolutionSizeHeigth + (1 /*+ i*/), 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, nullptr);
glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT16, m_ResolutionSizeWidth / (1 /*+ i*/), m_ResolutionSizeHeigth + (1 /*+ i*/), 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, nullptr);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER);
@@ -165,7 +165,7 @@ void ShadowPass::PointsToLightspace(Frustum& frustum, glm::mat4 v)
if (tempPoint.y > top) { top = tempPoint.y; }
}
frustum.LRTB = { left, right, bottom, top };
frustum.LRBT = { left, right, bottom, top };
}
void ShadowPass::RadiusToLightspace(Frustum& frustum, glm::mat4 v)
@@ -175,7 +175,7 @@ void ShadowPass::RadiusToLightspace(Frustum& frustum, glm::mat4 v)
float bottom = -frustum.Radius;
float top =frustum.Radius;
frustum.LRTB = { left, right, bottom, top };
frustum.LRBT = { left, right, bottom, top };
}
void ShadowPass::Draw(RenderScene & scene)
@@ -186,10 +186,10 @@ void ShadowPass::Draw(RenderScene & scene)
ImGui::DragInt("ShadowLevel", &m_ShadowLevel, 0.05f, 0, m_CurrentNrOfSplits - 1);
InitializeCameras(scene);
UpdateSplitDist(m_shadFrusta, scene.Camera->NearClip(), scene.Camera->FarClip());
UpdateSplitDist(m_shadowFrusta, scene.Camera->NearClip(), scene.Camera->FarClip());
for (int i = 0; i < m_CurrentNrOfSplits; i++) {
UpdateFrustumPoints(m_shadFrusta[i], scene.Camera->Position(), scene.Camera->Forward(), scene.Camera->ProjectionMatrix(), scene.Camera->ViewMatrix());
UpdateFrustumPoints(m_shadowFrusta[i], scene.Camera->Position(), scene.Camera->Forward(), scene.Camera->ProjectionMatrix(), scene.Camera->ViewMatrix());
//float test = FindRadius(m_shadFrusta[i]);
ShadowPassState* state = new ShadowPassState(m_DepthBuffer[i].GetHandle());
@@ -197,7 +197,7 @@ void ShadowPass::Draw(RenderScene & scene)
GLuint shaderHandle = m_ShadowProgram->GetHandle();
m_ShadowProgram->Bind();
glViewport(0, 0, resolutionSizeWidth / (1/* + i*/), resolutionSizeHeigth);
glViewport(0, 0, m_ResolutionSizeWidth / (1/* + i*/), m_ResolutionSizeHeigth);
glDisable(GL_TEXTURE_2D);
glCullFace(GL_FRONT);
//state->Disable(GL_CULL_FACE);
@@ -208,11 +208,10 @@ void ShadowPass::Draw(RenderScene & scene)
auto directionalLightJob = std::dynamic_pointer_cast<DirectionalLightJob>(job);
if (directionalLightJob) {
m_LightView[i] = glm::lookAt(glm::vec3(-directionalLightJob->Direction) + m_shadFrusta[i].MiddlePoint, m_shadFrusta[i].MiddlePoint, glm::vec3(0.f, 1.f, 0.f));
m_LightView[i] = glm::lookAt(glm::vec3(-directionalLightJob->Direction) + m_shadowFrusta[i].MiddlePoint, m_shadowFrusta[i].MiddlePoint, glm::vec3(0.f, 1.f, 0.f));
PointsToLightspace(m_shadFrusta[i], m_LightView[i]);
m_LightProjection[i] = glm::ortho(m_shadFrusta[i].LRTB[Left], m_shadFrusta[i].LRTB[Right], m_shadFrusta[i].LRTB[Bottom], m_shadFrusta[i].LRTB[Top], -30.f, 30.f);
//m_LightProjection[i] = glm::ortho(m_shadFrusta[i].LRTB[Left], m_shadFrusta[i].LRTB[Right], m_shadFrusta[i].LRTB[Bottom], m_shadFrusta[i].LRTB[Top], -0.f, 300.f);
PointsToLightspace(m_shadowFrusta[i], m_LightView[i]);
m_LightProjection[i] = glm::ortho(m_shadowFrusta[i].LRBT[Left], m_shadowFrusta[i].LRBT[Right], m_shadowFrusta[i].LRBT[Bottom], m_shadowFrusta[i].LRBT[Top], -30.f, 30.f);
glUniformMatrix4fv(glGetUniformLocation(shaderHandle, "P"), 1, GL_FALSE, glm::value_ptr(m_LightProjection[i]));
glUniformMatrix4fv(glGetUniformLocation(shaderHandle, "V"), 1, GL_FALSE, glm::value_ptr(m_LightView[i]));