From 91b0ac5fbde7fc731be49eda31b1c668ca8d0c6e Mon Sep 17 00:00:00 2001 From: Tleety Date: Tue, 23 Feb 2016 16:00:43 +0100 Subject: [PATCH] Some groundwork for cubemaps. --- assets | 2 +- include/Engine/Rendering/CubeMapPass.h | 26 +++++++++++++++ include/Engine/Rendering/DrawFinalPass.h | 5 ++- include/Engine/Rendering/Renderer.h | 2 ++ include/Engine/Rendering/Texture.h | 1 + resources/Shaders/ForwardPlus.frag.glsl | 8 +++-- src/Engine/Rendering/CubeMapPass.cpp | 39 +++++++++++++++++++++++ src/Engine/Rendering/DrawBloomPass.cpp | 2 ++ src/Engine/Rendering/DrawFinalPass.cpp | 33 +++++++++++++++++-- src/Engine/Rendering/PickingPass.cpp | 3 ++ src/Engine/Rendering/PickingPassState.cpp | 5 +-- src/Engine/Rendering/Renderer.cpp | 12 ++++--- src/Engine/Rendering/Texture.cpp | 2 ++ 13 files changed, 126 insertions(+), 14 deletions(-) create mode 100644 include/Engine/Rendering/CubeMapPass.h create mode 100644 src/Engine/Rendering/CubeMapPass.cpp diff --git a/assets b/assets index 1e7adc74..ba8e04f1 160000 --- a/assets +++ b/assets @@ -1 +1 @@ -Subproject commit 1e7adc749e02144615a20a82c847d3c8df46ee3d +Subproject commit ba8e04f12be11034464b8446331286196953bb84 diff --git a/include/Engine/Rendering/CubeMapPass.h b/include/Engine/Rendering/CubeMapPass.h new file mode 100644 index 00000000..564329e2 --- /dev/null +++ b/include/Engine/Rendering/CubeMapPass.h @@ -0,0 +1,26 @@ +#ifndef CubeMapPass_h__ +#define CubeMapPass_h__ + +#include "IRenderer.h" +#include "ShaderProgram.h" + +class CubeMapPass +{ +public: + CubeMapPass(IRenderer* renderer); + ~CubeMapPass() { } + + void LoadTextures(); + void FillCubeMap(glm::vec3 originPosition); + void GenerateCubeMapTexture(); + + //GLuint CubeMapTexture() const { return m_CubeMapTexture; } + GLuint m_CubeMapTexture; + +private: + IRenderer* m_Renderer; + + std::vector m_CubeMapTestTextures; +}; + +#endif \ No newline at end of file diff --git a/include/Engine/Rendering/DrawFinalPass.h b/include/Engine/Rendering/DrawFinalPass.h index e3389471..1800c90e 100644 --- a/include/Engine/Rendering/DrawFinalPass.h +++ b/include/Engine/Rendering/DrawFinalPass.h @@ -4,6 +4,7 @@ #include "IRenderer.h" #include "DrawFinalPassState.h" #include "LightCullingPass.h" +#include "CubeMapPass.h" #include "FrameBuffer.h" #include "ShaderProgram.h" #include "Util/UnorderedMapVec2.h" @@ -13,7 +14,7 @@ class DrawFinalPass { public: - DrawFinalPass(IRenderer* renderer, LightCullingPass* lightCullingPass); + DrawFinalPass(IRenderer* renderer, LightCullingPass* lightCullingPass, CubeMapPass* cubeMapPass); ~DrawFinalPass() { } void InitializeTextures(); void InitializeFrameBuffers(); @@ -62,12 +63,14 @@ private: GLuint m_SceneTextureLowRes; GLuint m_DepthBuffer; GLuint m_DepthBufferLowRes; + GLuint m_CubeMapTexture; //maqke this component based i guess? GLuint m_ShieldPixelRate = 16; const IRenderer* m_Renderer; const LightCullingPass* m_LightCullingPass; + const CubeMapPass* m_CubeMapPass; ShaderProgram* m_ForwardPlusProgram; ShaderProgram* m_ExplosionEffectProgram; diff --git a/include/Engine/Rendering/Renderer.h b/include/Engine/Rendering/Renderer.h index aa87536b..720336aa 100644 --- a/include/Engine/Rendering/Renderer.h +++ b/include/Engine/Rendering/Renderer.h @@ -17,6 +17,7 @@ #include "DrawBloomPass.h" #include "DrawColorCorrectionPass.h" #include "SSAOPass.h" +#include "CubeMapPass.h" #include "../Core/EventBroker.h" #include "ImGuiRenderPass.h" #include "Camera.h" @@ -74,6 +75,7 @@ private: DrawBloomPass* m_DrawBloomPass; DrawColorCorrectionPass* m_DrawColorCorrectionPass; SSAOPass* m_SSAOPass; + CubeMapPass* m_CubeMapPass; //----------------------Functions----------------------// void InitializeWindow(); diff --git a/include/Engine/Rendering/Texture.h b/include/Engine/Rendering/Texture.h index 0fe650b3..d159e636 100644 --- a/include/Engine/Rendering/Texture.h +++ b/include/Engine/Rendering/Texture.h @@ -18,6 +18,7 @@ public: void Bind(GLenum textureUnit = GL_TEXTURE0); GLuint m_Texture = 0; + unsigned char* Data = nullptr; }; diff --git a/resources/Shaders/ForwardPlus.frag.glsl b/resources/Shaders/ForwardPlus.frag.glsl index f9b93091..78f2106f 100644 --- a/resources/Shaders/ForwardPlus.frag.glsl +++ b/resources/Shaders/ForwardPlus.frag.glsl @@ -22,6 +22,7 @@ layout (binding = 1) uniform sampler2D DiffuseTexture; layout (binding = 2) uniform sampler2D NormalMapTexture; layout (binding = 3) uniform sampler2D SpecularMapTexture; layout (binding = 4) uniform sampler2D GlowMapTexture; +layout (binding = 5) uniform samplerCube CubeMap; #define TILE_SIZE 16 @@ -132,7 +133,9 @@ void main() vec4 normal = V * CalcNormalMappedValue(Input.Normal, Input.Tangent, Input.BiTangent, Input.TextureCoordinate * NormalUVRepeat, NormalMapTexture); normal = normalize(normal); //vec4 normal = normalize(V * vec4(Input.Normal, 0.0)); - vec4 viewVec = normalize(-position); + vec4 viewVec = normalize(-position); + vec3 R = reflect(-viewVec.xyz, normal.xyz); + vec4 reflectionColor = texture(CubeMap, R); vec2 tilePos; tilePos.x = int(gl_FragCoord.x/TILE_SIZE); @@ -171,7 +174,8 @@ void main() if(pos <= FillPercentage) { color_result += FillColor; } - sceneColor = vec4(color_result.xyz, clamp(color_result.a, 0, 1)); + //sceneColor = vec4(color_result.xyz, clamp(color_result.a, 0, 1)); + sceneColor = vec4(reflectionColor.xyz, 1); color_result += glowTexel*GlowIntensity; bloomColor = vec4(clamp(color_result.xyz - 1.0, 0, 100), clamp(color_result.a, 0, 1)); diff --git a/src/Engine/Rendering/CubeMapPass.cpp b/src/Engine/Rendering/CubeMapPass.cpp new file mode 100644 index 00000000..153d8eb8 --- /dev/null +++ b/src/Engine/Rendering/CubeMapPass.cpp @@ -0,0 +1,39 @@ +#include "Rendering/CubeMapPass.h" + +CubeMapPass::CubeMapPass(IRenderer* renderer) + :m_Renderer(renderer) +{ + LoadTextures(); + GenerateCubeMapTexture(); +} + +/* + +*/ + +void CubeMapPass::LoadTextures() +{ + for (int i = 0; i < 6; i++){ + std::string str; + str = "Textures/Test/CubeMap/CubeMapTest0" + std::to_string(i) + ".png"; + Texture* img = ResourceManager::Load(str); + m_CubeMapTestTextures.push_back(img); + } +} + +void CubeMapPass::GenerateCubeMapTexture() +{ + glGenTextures(1, &m_CubeMapTexture); + glBindTexture(GL_TEXTURE_CUBE_MAP, m_CubeMapTexture); + + for (int i = 0; i < 6; i++) { + glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, GL_RGBA32F, 256, 256, 0, GL_RGBA, GL_UNSIGNED_BYTE, m_CubeMapTestTextures[i]->Data); + } + glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE); + GLERROR("Generate Cubemap"); +} + diff --git a/src/Engine/Rendering/DrawBloomPass.cpp b/src/Engine/Rendering/DrawBloomPass.cpp index 6bfb58eb..e8ad4cd5 100644 --- a/src/Engine/Rendering/DrawBloomPass.cpp +++ b/src/Engine/Rendering/DrawBloomPass.cpp @@ -52,6 +52,7 @@ void DrawBloomPass::InitializeBuffers() void DrawBloomPass::ClearBuffer() { + GLERROR("PRE"); m_GaussianFrameBuffer_horiz.Bind(); glClearColor(0.f, 0.f, 0.f, 0.f); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); @@ -60,6 +61,7 @@ void DrawBloomPass::ClearBuffer() glClearColor(0.f, 0.f, 0.f, 0.f); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); m_GaussianFrameBuffer_vert.Unbind(); + GLERROR("END"); } void DrawBloomPass::Draw(GLuint texture) diff --git a/src/Engine/Rendering/DrawFinalPass.cpp b/src/Engine/Rendering/DrawFinalPass.cpp index c16caa24..e7982a3d 100644 --- a/src/Engine/Rendering/DrawFinalPass.cpp +++ b/src/Engine/Rendering/DrawFinalPass.cpp @@ -1,10 +1,11 @@ #include "Rendering/DrawFinalPass.h" -DrawFinalPass::DrawFinalPass(IRenderer* renderer, LightCullingPass* lightCullingPass) +DrawFinalPass::DrawFinalPass(IRenderer* renderer, LightCullingPass* lightCullingPass, CubeMapPass* cubeMapPass) + : m_Renderer(renderer) + , m_LightCullingPass(lightCullingPass) + , m_CubeMapPass(cubeMapPass) { //TODO: Make sure that uniforms are not sent into shader if not needed. - m_Renderer = renderer; - m_LightCullingPass = lightCullingPass; m_ShieldPixelRate = 8; InitializeTextures(); InitializeShaderPrograms(); @@ -261,20 +262,35 @@ void DrawFinalPass::Draw(RenderScene& scene, GLuint SSAOTexture) void DrawFinalPass::ClearBuffer() { + GLERROR("PRE"); m_FinalPassFrameBufferLowRes.Bind(); + GLERROR("Bind LowRes"); + glViewport(0, 0, m_Renderer->GetViewportSize().Width/m_ShieldPixelRate, m_Renderer->GetViewportSize().Height/m_ShieldPixelRate); glScissor(0, 0, m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height); + GLERROR("ViewPort,Scissor LowRes"); + glClearColor(0.f, 0.f, 0.f, 0.f); + GLERROR("1"); + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + GLERROR("2"); + glDisable(GL_SCISSOR_TEST); + GLERROR("3"); + m_FinalPassFrameBufferLowRes.Unbind(); + GLERROR("prebind HighRes"); m_FinalPassFrameBuffer.Bind(); + GLERROR("Bind HighRes"); glViewport(0, 0, m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height); glScissor(0, 0, m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height); + GLERROR("ViewPort,Scissor LowRes"); glClearColor(0.f, 0.f, 0.f, 0.f); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); m_FinalPassFrameBuffer.Unbind(); + GLERROR("END"); } @@ -358,12 +374,15 @@ void DrawFinalPass::DrawModelRenderQueues(std::list>& case RawModel::MaterialType::SingleTextures: { if (explosionEffectJob->Model->IsSkinned()) { + m_ExplosionEffectSkinnedProgram->Bind(); GLERROR("Bind ExplosionEffectSkinned program"); //bind uniforms BindExplosionUniforms(explosionSkinnedHandle, explosionEffectJob, scene); //bind textures BindExplosionTextures(explosionSkinnedHandle, explosionEffectJob); + glActiveTexture(GL_TEXTURE5); + glBindTexture(GL_TEXTURE_CUBE_MAP, m_CubeMapPass->m_CubeMapTexture); std::vector frameBones; if (explosionEffectJob->AnimationOffset.animation != nullptr) { frameBones = explosionEffectJob->Skeleton->GetFrameBones(explosionEffectJob->Animations, explosionEffectJob->AnimationOffset); @@ -378,6 +397,8 @@ void DrawFinalPass::DrawModelRenderQueues(std::list>& BindExplosionUniforms(explosionHandle, explosionEffectJob, scene); //bind textures BindExplosionTextures(explosionHandle, explosionEffectJob); + glActiveTexture(GL_TEXTURE5); + glBindTexture(GL_TEXTURE_CUBE_MAP, m_CubeMapPass->m_CubeMapTexture); } break; } @@ -436,6 +457,8 @@ void DrawFinalPass::DrawModelRenderQueues(std::list>& BindModelUniforms(forwardSkinnedHandle, modelJob, scene); //bind textures BindModelTextures(forwardSkinnedHandle, modelJob); + glActiveTexture(GL_TEXTURE5); + glBindTexture(GL_TEXTURE_CUBE_MAP, m_CubeMapPass->m_CubeMapTexture); std::vector frameBones; if (modelJob->AnimationOffset.animation != nullptr) { frameBones = modelJob->Skeleton->GetFrameBones(modelJob->Animations, modelJob->AnimationOffset); @@ -451,6 +474,8 @@ void DrawFinalPass::DrawModelRenderQueues(std::list>& BindModelUniforms(forwardHandle, modelJob, scene); //bind textures BindModelTextures(forwardHandle, modelJob); + glActiveTexture(GL_TEXTURE5); + glBindTexture(GL_TEXTURE_CUBE_MAP, m_CubeMapPass->m_CubeMapTexture); } break; } @@ -809,6 +834,8 @@ void DrawFinalPass::BindModelUniforms(GLuint shaderHandle, std::shared_ptr& job) { + + switch (job->Type) { case RawModel::MaterialType::SingleTextures: case RawModel::MaterialType::Basic: diff --git a/src/Engine/Rendering/PickingPass.cpp b/src/Engine/Rendering/PickingPass.cpp index d1ed73dd..e0288348 100644 --- a/src/Engine/Rendering/PickingPass.cpp +++ b/src/Engine/Rendering/PickingPass.cpp @@ -64,6 +64,7 @@ void PickingPass::InitializeShaderPrograms() void PickingPass::Draw(RenderScene& scene) { + GLERROR("PRE"); PickingPassState* state = new PickingPassState(m_PickingBuffer.GetHandle()); //TODO: Render: Add code for more jobs than modeljobs. @@ -367,6 +368,7 @@ void PickingPass::Draw(RenderScene& scene) void PickingPass::ClearPicking() { + GLERROR("PRE"); m_PickingColorsToEntity.clear(); m_EntityColors.clear(); m_ColorCounter[0] = 0; @@ -376,6 +378,7 @@ void PickingPass::ClearPicking() glClearColor(0.f, 0.f, 0.f, 0.f); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); m_PickingBuffer.Unbind(); + GLERROR("END"); } diff --git a/src/Engine/Rendering/PickingPassState.cpp b/src/Engine/Rendering/PickingPassState.cpp index 0c4f4aca..f2d42bff 100644 --- a/src/Engine/Rendering/PickingPassState.cpp +++ b/src/Engine/Rendering/PickingPassState.cpp @@ -3,9 +3,9 @@ PickingPassState::PickingPassState(GLuint frameBuffer) { - GLERROR("---2"); + GLERROR("PRE"); BindFramebuffer(frameBuffer); - GLERROR("---3"); + GLERROR("Bind Framebuffer"); Enable(GL_DEPTH_TEST); Enable(GL_CULL_FACE); Disable(GL_BLEND); @@ -13,6 +13,7 @@ PickingPassState::PickingPassState(GLuint frameBuffer) glm::vec4 clearColor = glm::vec4(0.f); //ClearColor(clearColor); //Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + GLERROR("END"); } PickingPassState::~PickingPassState() diff --git a/src/Engine/Rendering/Renderer.cpp b/src/Engine/Rendering/Renderer.cpp index 0c668cad..8391599c 100644 --- a/src/Engine/Rendering/Renderer.cpp +++ b/src/Engine/Rendering/Renderer.cpp @@ -30,6 +30,7 @@ void Renderer::glfwFrameBufferCallback(GLFWwindow* window, int width, int height currentRenderer->m_LightCullingPass->OnWindowResize(); currentRenderer->m_PickingPass->OnWindowResize(); currentRenderer->m_DrawBloomPass->OnWindowResize(); + //TODO: CubeMapPass->OnWindowResize //If needed } void Renderer::InitializeWindow() @@ -88,9 +89,6 @@ void Renderer::InitializeShaders() //m_ExplosionEffectProgram->AddShader(std::shared_ptr(new FragmentShader("Shaders/ExplosionEffect.frag.glsl"))); //m_ExplosionEffectProgram->Compile(); //m_ExplosionEffectProgram->Link(); - - - } void Renderer::InputUpdate(double dt) @@ -108,6 +106,7 @@ void Renderer::Update(double dt) void Renderer::Draw(RenderFrame& frame) { + GLERROR("PRE"); ImGui::Combo("Draw textures", &m_DebugTextureToDraw, "Final\0Scene\0Bloom\0SceneLowRes\0BloomLowRes\0Gaussian\0Picking\0Ambient Occlusion"); ImGui::SliderFloat("SSAO sample radius", &m_SSAO_Radius, 0.01f, 5.0f); @@ -117,6 +116,7 @@ void Renderer::Draw(RenderFrame& frame) ImGui::SliderInt("SSAO Number of Samples", &m_SSAO_NumOfSamples, 2, 100); ImGui::SliderInt("SSAO Number of Turns", &m_SSAO_NumOfTurns, 0, 50); m_SSAOPass->Setting(m_SSAO_Radius, m_SSAO_Bias, m_SSAO_Contrast, m_SSAO_IntensityScale, m_SSAO_NumOfSamples, m_SSAO_NumOfTurns); + GLERROR("SSAO Settings"); //clear buffer 0 glClearColor(0.f, 0.f, 0.f, 0.f); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); @@ -127,6 +127,7 @@ void Renderer::Draw(RenderFrame& frame) m_DrawFinalPass->ClearBuffer(); m_DrawBloomPass->ClearBuffer(); PerformanceTimer::StopTimer("Renderer-ClearBuffers"); + GLERROR("ClearBuffers"); for (auto scene : frame.RenderScenes) { PerformanceTimer::StartTimer("Renderer-Depth"); m_PickingPass->Draw(*scene); @@ -239,9 +240,10 @@ void Renderer::InitializeRenderPasses() { m_PickingPass = new PickingPass(this, m_EventBroker); m_LightCullingPass = new LightCullingPass(this); - m_DrawFinalPass = new DrawFinalPass(this, m_LightCullingPass); + m_CubeMapPass = new CubeMapPass(this); + m_DrawFinalPass = new DrawFinalPass(this, m_LightCullingPass, m_CubeMapPass); m_DrawScreenQuadPass = new DrawScreenQuadPass(this); m_DrawBloomPass = new DrawBloomPass(this); m_DrawColorCorrectionPass = new DrawColorCorrectionPass(this); - m_SSAOPass = new SSAOPass(this); + m_SSAOPass = new SSAOPass(this); } diff --git a/src/Engine/Rendering/Texture.cpp b/src/Engine/Rendering/Texture.cpp index 256246a9..03347044 100644 --- a/src/Engine/Rendering/Texture.cpp +++ b/src/Engine/Rendering/Texture.cpp @@ -18,6 +18,7 @@ Texture::Texture(std::string path) this->Width = img->Width; this->Height = img->Height; + this->Data = img->Data; GLint format; switch (img->Format) { @@ -28,6 +29,7 @@ Texture::Texture(std::string path) format = GL_RGBA; break; } + // Construct the OpenGL texture glGenTextures(1, &m_Texture);