Rewritten. Works as a charm now.
This commit is contained in:
FakeShemp
@@ -1,6 +1,5 @@
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#include "Rendering/ShadowPass.h"
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ShadowPass::ShadowPass(IRenderer * renderer, int shadow_res_x, int shadow_res_y)
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{
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m_Renderer = renderer;
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@@ -24,6 +23,15 @@ ShadowPass::~ShadowPass()
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}
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void ShadowPass::DebugGUI()
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{
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ImGui::Checkbox("EnableShadows", &m_EnableShadows);
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ImGui::DragFloat2("ShadowMapNearFar", m_NearFarPlane, 1.f, -1000.f, 1000.f);
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ImGui::DragFloat("ShadowClippingWeight", &m_SplitWeight, 0.001f, 0.f, 1.f);
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ImGui::Checkbox("ShadowTransparentObjects", &m_TransparentObjects);
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ImGui::Checkbox("ShadowOnTextureAlphas", &m_TexturedShadows);
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}
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void ShadowPass::InitializeCameras(RenderScene & scene)
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{
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for (int i = 0; i < m_CurrentNrOfSplits; i++) {
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@@ -198,101 +206,100 @@ void ShadowPass::RadiusToLightspace(ShadowFrustum& frustum)
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void ShadowPass::Draw(RenderScene & scene)
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{
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ImGui::DragFloat2("ShadowMapNearFar", m_NearFarPlane, 1.f, -1000.f, 1000.f);
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ImGui::DragFloat("ShadowClippingWeight", &m_SplitWeight, 0.001f, 0.f, 1.f);
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if (m_EnableShadows) {
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InitializeCameras(scene);
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UpdateSplitDist(m_shadowFrusta, scene.Camera->NearClip(), scene.Camera->FarClip());
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InitializeCameras(scene);
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UpdateSplitDist(m_shadowFrusta, scene.Camera->NearClip(), scene.Camera->FarClip());
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ShadowPassState* state = new ShadowPassState(m_DepthBuffer.GetHandle());
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ShadowPassState* state = new ShadowPassState(m_DepthBuffer.GetHandle());
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m_ShadowProgram->Bind();
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GLuint shaderHandle = m_ShadowProgram->GetHandle();
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glViewport(0, 0, m_ResolutionSizeWidth, m_ResolutionSizeHeight);
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m_ShadowProgram->Bind();
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GLuint shaderHandle = m_ShadowProgram->GetHandle();
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glViewport(0, 0, m_ResolutionSizeWidth, m_ResolutionSizeHeight);
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for (int i = 0; i < m_CurrentNrOfSplits; i++) {
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UpdateFrustumPoints(m_shadowFrusta[i], scene.Camera->Position(), scene.Camera->Forward());
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for (int i = 0; i < m_CurrentNrOfSplits; i++) {
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UpdateFrustumPoints(m_shadowFrusta[i], scene.Camera->Position(), scene.Camera->Forward());
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glFramebufferTextureLayer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, m_DepthMap, 0, i);
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glFramebufferTextureLayer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, m_DepthMap, 0, i);
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for (auto &job : scene.Jobs.DirectionalLight) {
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auto directionalLightJob = std::dynamic_pointer_cast<DirectionalLightJob>(job);
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for (auto &job : scene.Jobs.DirectionalLight) {
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auto directionalLightJob = std::dynamic_pointer_cast<DirectionalLightJob>(job);
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if (directionalLightJob) {
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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));
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if (directionalLightJob) {
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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));
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PointsToLightspace(m_shadowFrusta[i], m_LightView[i]);
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//FindRadius(m_shadowFrusta[i]);
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//RadiusToLightspace(m_shadowFrusta[i]);
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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], m_NearFarPlane[NEAR], m_NearFarPlane[FAR]);
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PointsToLightspace(m_shadowFrusta[i], m_LightView[i]);
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//FindRadius(m_shadowFrusta[i]);
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//RadiusToLightspace(m_shadowFrusta[i]);
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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], m_NearFarPlane[NEAR], m_NearFarPlane[FAR]);
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glUniformMatrix4fv(glGetUniformLocation(shaderHandle, "P"), 1, GL_FALSE, glm::value_ptr(m_LightProjection[i]));
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glUniformMatrix4fv(glGetUniformLocation(shaderHandle, "V"), 1, GL_FALSE, glm::value_ptr(m_LightView[i]));
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glUniformMatrix4fv(glGetUniformLocation(shaderHandle, "P"), 1, GL_FALSE, glm::value_ptr(m_LightProjection[i]));
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glUniformMatrix4fv(glGetUniformLocation(shaderHandle, "V"), 1, GL_FALSE, glm::value_ptr(m_LightView[i]));
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GLERROR("ShadowLight ERROR");
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GLERROR("ShadowLight ERROR");
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for (auto &objectJob : scene.Jobs.OpaqueObjects) {
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if (!std::dynamic_pointer_cast<ExplosionEffectJob>(objectJob)) {
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auto modelJob = std::dynamic_pointer_cast<ModelJob>(objectJob);
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for (auto &objectJob : scene.Jobs.OpaqueObjects) {
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if (!std::dynamic_pointer_cast<ExplosionEffectJob>(objectJob))
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{
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auto modelJob = std::dynamic_pointer_cast<ModelJob>(objectJob);
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glUniformMatrix4fv(glGetUniformLocation(shaderHandle, "M"), 1, GL_FALSE, glm::value_ptr(modelJob->Matrix));
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glUniform1f(glGetUniformLocation(shaderHandle, "Alpha"), 1.f);
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glUniformMatrix4fv(glGetUniformLocation(shaderHandle, "M"), 1, GL_FALSE, glm::value_ptr(modelJob->Matrix));
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glBindVertexArray(modelJob->Model->VAO);
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glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, modelJob->Model->ElementBuffer);
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glDrawElements(GL_TRIANGLES, modelJob->EndIndex - modelJob->StartIndex + 1, GL_UNSIGNED_INT, (void*)(modelJob->StartIndex * sizeof(unsigned int)));
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glBindVertexArray(modelJob->Model->VAO);
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glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, modelJob->Model->ElementBuffer);
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glDrawElements(GL_TRIANGLES, modelJob->EndIndex - modelJob->StartIndex + 1, GL_UNSIGNED_INT, (void*)(modelJob->StartIndex * sizeof(unsigned int)));
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GLERROR("Shadow Draw ERROR");
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GLERROR("Shadow Draw ERROR");
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}
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}
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}
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if (m_TransparentObjects) {
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state->CullFace(GL_BACK);
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for (auto &objectJob : scene.Jobs.TransparentObjects) {
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if (!std::dynamic_pointer_cast<ExplosionEffectJob>(objectJob)) {
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auto modelJob = std::dynamic_pointer_cast<ModelJob>(objectJob);
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state->CullFace(GL_BACK);
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for (auto &objectJob : scene.Jobs.TransparentObjects) {
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if (!std::dynamic_pointer_cast<ExplosionEffectJob>(objectJob))
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{
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auto modelJob = std::dynamic_pointer_cast<ModelJob>(objectJob);
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glUniformMatrix4fv(glGetUniformLocation(shaderHandle, "M"), 1, GL_FALSE, glm::value_ptr(modelJob->Matrix));
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glUniform1f(glGetUniformLocation(shaderHandle, "Alpha"), modelJob->Color.a);
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glUniformMatrix4fv(glGetUniformLocation(shaderHandle, "M"), 1, GL_FALSE, glm::value_ptr(modelJob->Matrix));
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glUniform1f(glGetUniformLocation(shaderHandle, "Alpha"), modelJob->Color.a);
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if (directionalLightJob->TextureAlphaShadows) {
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switch (modelJob->Type) {
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case RawModel::MaterialType::SingleTextures:
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case RawModel::MaterialType::Basic:
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{
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glActiveTexture(GL_TEXTURE24);
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if (modelJob->DiffuseTexture.size() > 0 && modelJob->DiffuseTexture[0]->Texture != nullptr) {
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glBindTexture(GL_TEXTURE_2D, modelJob->DiffuseTexture[0]->Texture->m_Texture);
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glUniform2fv(glGetUniformLocation(shaderHandle, "DiffuseUVRepeat"), 1, glm::value_ptr(modelJob->DiffuseTexture[0]->UVRepeat));
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if (m_TexturedShadows) {
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switch (modelJob->Type) {
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case RawModel::MaterialType::SingleTextures:
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case RawModel::MaterialType::Basic:
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{
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glActiveTexture(GL_TEXTURE24);
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if (modelJob->DiffuseTexture.size() > 0 && modelJob->DiffuseTexture[0]->Texture != nullptr) {
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glBindTexture(GL_TEXTURE_2D, modelJob->DiffuseTexture[0]->Texture->m_Texture);
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glUniform2fv(glGetUniformLocation(shaderHandle, "DiffuseUVRepeat"), 1, glm::value_ptr(modelJob->DiffuseTexture[0]->UVRepeat));
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}
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else {
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glBindTexture(GL_TEXTURE_2D, m_WhiteTexture->m_Texture);
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glUniform2fv(glGetUniformLocation(shaderHandle, "DiffuseUVRepeat"), 1, glm::value_ptr(glm::vec2(1.0f, 1.0f)));
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}
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break;
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}
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case RawModel::MaterialType::SplatMapping:
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{
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glActiveTexture(GL_TEXTURE24);
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glBindTexture(GL_TEXTURE_2D, m_WhiteTexture->m_Texture);
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glUniform2fv(glGetUniformLocation(shaderHandle, "DiffuseUVRepeat"), 1, glm::value_ptr(glm::vec2(1.0f, 1.0f)));
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break;
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}
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}
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}
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else {
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glBindTexture(GL_TEXTURE_2D, m_WhiteTexture->m_Texture);
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glUniform2fv(glGetUniformLocation(shaderHandle, "DiffuseUVRepeat"), 1, glm::value_ptr(glm::vec2(1.0f, 1.0f)));
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}
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break;
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}
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case RawModel::MaterialType::SplatMapping:
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{
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glActiveTexture(GL_TEXTURE24);
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glBindTexture(GL_TEXTURE_2D, m_WhiteTexture->m_Texture);
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glUniform2fv(glGetUniformLocation(shaderHandle, "DiffuseUVRepeat"), 1, glm::value_ptr(glm::vec2(1.0f, 1.0f)));
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break;
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}
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glBindVertexArray(modelJob->Model->VAO);
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glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, modelJob->Model->ElementBuffer);
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glDrawElements(GL_TRIANGLES, modelJob->EndIndex - modelJob->StartIndex + 1, GL_UNSIGNED_INT, (void*)(modelJob->StartIndex * sizeof(unsigned int)));
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GLERROR("Shadow Draw ERROR");
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}
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}
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glBindVertexArray(modelJob->Model->VAO);
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glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, modelJob->Model->ElementBuffer);
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glDrawElements(GL_TRIANGLES, modelJob->EndIndex - modelJob->StartIndex + 1, GL_UNSIGNED_INT, (void*)(modelJob->StartIndex * sizeof(unsigned int)));
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GLERROR("Shadow Draw ERROR");
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state->CullFace(GL_FRONT);
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}
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}
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state->CullFace(GL_FRONT);
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}
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}
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glViewport(0, 0, m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height);
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m_DepthBuffer.Unbind();
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delete state;
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}
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glViewport(0, 0, m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height);
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m_DepthBuffer.Unbind();
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delete state;
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}
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}
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