Merge remote-tracking branch 'origin/master' into Input

# Conflicts:
#	src/Engine/Rendering/Renderer.cpp
This commit is contained in:
2015-12-14 13:40:22 +01:00
18 changed files with 795 additions and 186 deletions
+66
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@@ -0,0 +1,66 @@
#include "Rendering/DrawScenePass.h"
DrawScenePass::DrawScenePass(IRenderer* renderer)
{
m_Renderer = renderer;
InitializeTextures();
InitializeShaderPrograms();
}
void DrawScenePass::InitializeTextures()
{
m_WhiteTexture = ResourceManager::Load<Texture>("Textures/Core/Blank.png");
}
void DrawScenePass::InitializeShaderPrograms()
{
//Gör så att shaders är en resource, tex som texture classen. Konstruktorn måste vara privat.
m_BasicForwardProgram = ResourceManager::Load<ShaderProgram>("#BasicForwardProgram");
m_BasicForwardProgram->AddShader(std::shared_ptr<Shader>(new VertexShader("Shaders/BasicForward.vert.glsl")));
m_BasicForwardProgram->AddShader(std::shared_ptr<Shader>(new FragmentShader("Shaders/BasicForward.frag.glsl")));
m_BasicForwardProgram->Compile();
m_BasicForwardProgram->Link();
}
void DrawScenePass::Draw(RenderQueueCollection& rq)
{
//glBindFramebuffer(GL_FRAMEBUFFER, 0);
GLERROR("Renderer::Draw PickingPass");
DrawScenePassState state;
//TODO: Render: Add code for more jobs than modeljobs.
for (auto &job : rq.Forward) {
auto modelJob = std::dynamic_pointer_cast<ModelJob>(job);
if (modelJob) {
GLuint ShaderHandle = m_BasicForwardProgram->GetHandle();
m_BasicForwardProgram->Bind();
//TODO: Kolla upp "header/include/common" shader saken så man slipper skicka in asmycket uniforms
glUniformMatrix4fv(glGetUniformLocation(ShaderHandle, "M"), 1, GL_FALSE, glm::value_ptr(modelJob->ModelMatrix));
glUniformMatrix4fv(glGetUniformLocation(ShaderHandle, "V"), 1, GL_FALSE, glm::value_ptr(m_Renderer->Camera()->ViewMatrix()));
glUniformMatrix4fv(glGetUniformLocation(ShaderHandle, "P"), 1, GL_FALSE, glm::value_ptr(m_Renderer->Camera()->ProjectionMatrix()));
glUniform4fv(glGetUniformLocation(ShaderHandle, "Color"), 1, glm::value_ptr(modelJob->Color));
//TODO: Renderer: bättre textur felhantering samt fler texturer stöd
if (modelJob->DiffuseTexture != nullptr) {
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, modelJob->DiffuseTexture->m_Texture);
} else {
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, m_WhiteTexture->m_Texture);
}
glBindVertexArray(modelJob->Model->VAO);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, modelJob->Model->ElementBuffer);
glDrawElementsBaseVertex(GL_TRIANGLES, modelJob->EndIndex - modelJob->StartIndex + 1, GL_UNSIGNED_INT, 0, modelJob->StartIndex);
continue;
}
}
GLERROR("DrawScene Error");
}
@@ -0,0 +1,18 @@
#include "Rendering/DrawScenePassState.h"
DrawScenePassState::DrawScenePassState()
{
GLERROR("---");
BindBuffer(0);
GLERROR("---");
Enable(GL_DEPTH_TEST);
Enable(GL_CULL_FACE);
ClearColor(glm::vec4(255.f / 255, 163.f / 255, 176.f / 255, 0.f));
Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
}
DrawScenePassState::~DrawScenePassState()
{
}
+9 -1
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@@ -48,13 +48,21 @@ void FrameBuffer::Generate()
switch ((*it)->m_ResourceType) {
case GL_TEXTURE_2D:
glFramebufferTexture2D(GL_FRAMEBUFFER, (*it)->m_Attachment, (*it)->m_ResourceType, *(*it)->m_ResourceHandle, 0);
GLERROR("FrameBuffer generate: glFramebufferTexture2D");
break;
case GL_RENDERBUFFER:
glFramebufferRenderbuffer(GL_FRAMEBUFFER, (*it)->m_Attachment, (*it)->m_ResourceType, *(*it)->m_ResourceHandle);
GLERROR("FrameBuffer generate: glFramebufferRenderbuffer");
if ( (*it)->m_Attachment != GL_COLOR_ATTACHMENT0 ||
(*it)->m_Attachment != GL_DEPTH_ATTACHMENT ||
(*it)->m_Attachment != GL_STENCIL_ATTACHMENT)
{
LOG_ERROR("RenderBuffer Attachment not valid.");
}
break;
}
GLERROR("FrameBuffer generate");
if ((*it)->m_Attachment != GL_DEPTH_ATTACHMENT) {
attachments.push_back((*it)->m_Attachment);
+118
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@@ -0,0 +1,118 @@
#include "Rendering/PickingPass.h"
PickingPass::PickingPass(IRenderer* renderer, EventBroker* eb)
{
m_Renderer = renderer;
m_EventBroker = eb;
InitializeTextures();
InitializeFrameBuffers();
InitializeShaderPrograms();
}
PickingPass::~PickingPass()
{
}
void PickingPass::InitializeTextures()
{
GenerateTexture(&m_PickingTexture, GL_CLAMP_TO_BORDER, GL_LINEAR,
glm::vec2(m_Renderer->Resolution().Width, m_Renderer->Resolution().Height), GL_RG8, GL_RG, GL_UNSIGNED_BYTE);
}
void PickingPass::InitializeFrameBuffers()
{
glGenRenderbuffers(1, &m_DepthBuffer);
glBindRenderbuffer(GL_RENDERBUFFER, m_DepthBuffer);
glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT, m_Renderer->Resolution().Width, m_Renderer->Resolution().Height);
m_PickingBuffer.AddResource(std::shared_ptr<BufferResource>(new RenderBuffer(&m_DepthBuffer, GL_DEPTH_ATTACHMENT)));
m_PickingBuffer.AddResource(std::shared_ptr<BufferResource>(new Texture2D(&m_PickingTexture, GL_COLOR_ATTACHMENT0)));
m_PickingBuffer.Generate();
}
void PickingPass::InitializeShaderPrograms()
{
m_PickingProgram = ResourceManager::Load<ShaderProgram>("#PickingProgram");
m_PickingProgram->AddShader(std::shared_ptr<Shader>(new VertexShader("Shaders/Picking.vert.glsl")));
m_PickingProgram->AddShader(std::shared_ptr<Shader>(new FragmentShader("Shaders/Picking.frag.glsl")));
m_PickingProgram->Compile();
m_PickingProgram->BindFragDataLocation(0, "TextureFragment");
m_PickingProgram->Link();
}
void PickingPass::Draw(RenderQueueCollection& rq)
{
m_PickingColorsToEntity.clear();
PickingPassState* state = new PickingPassState(m_PickingBuffer.GetHandle());
int r = 1;
int g = 0;
//TODO: Render: Add code for more jobs than modeljobs.
GLuint ShaderHandle = m_PickingProgram->GetHandle();
m_PickingProgram->Bind();
for (auto &job : rq.Forward) {
auto modelJob = std::dynamic_pointer_cast<ModelJob>(job);
if (modelJob) {
//---------------
//TODO: Renderer: IMPORTANT: Fixa detta så det inte loopar igenom listan varje frame.
//---------------
int pickColor[2] = { r, g };
for (auto i : m_PickingColorsToEntity) {
if (modelJob->Entity == i.second) {
pickColor[0] = i.first.x;
pickColor[1] = i.first.y;
r -= 1;
}
}
m_PickingColorsToEntity[glm::vec2(pickColor[0], pickColor[1])] = modelJob->Entity;
//Render picking stuff
//TODO: Kolla upp "header/include/common" shader saken så man slipper skicka in asmycket uniforms
glUniformMatrix4fv(glGetUniformLocation(ShaderHandle, "M"), 1, GL_FALSE, glm::value_ptr(modelJob->ModelMatrix));
glUniformMatrix4fv(glGetUniformLocation(ShaderHandle, "V"), 1, GL_FALSE, glm::value_ptr(m_Renderer->Camera()->ViewMatrix()));
glUniformMatrix4fv(glGetUniformLocation(ShaderHandle, "P"), 1, GL_FALSE, glm::value_ptr(m_Renderer->Camera()->ProjectionMatrix()));
glUniform2fv(glGetUniformLocation(ShaderHandle, "PickingColor"), 1, glm::value_ptr(glm::vec2(pickColor[0], pickColor[1])));
glBindVertexArray(modelJob->Model->VAO);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, modelJob->Model->ElementBuffer);
glDrawElementsBaseVertex(GL_TRIANGLES, modelJob->EndIndex - modelJob->StartIndex + 1, GL_UNSIGNED_INT, nullptr, modelJob->StartIndex);
r += 1;
if (r > 255) {
r = 0;
g += 1;
}
}
}
m_PickingBuffer.Unbind();
GLERROR("PickingPass Error");
//Publish pick event every frame with the pick data that can be picked by the event
Events::Picking pickEvent = Events::Picking(
&m_PickingBuffer,
&m_DepthBuffer,
m_Renderer->Camera()->ProjectionMatrix(),
m_Renderer->Camera()->ViewMatrix(),
m_Renderer->Resolution(),
&m_PickingColorsToEntity);
m_EventBroker->Publish(pickEvent);
}
void PickingPass::GenerateTexture(GLuint* texture, GLenum wrapping, GLenum filtering, glm::vec2 dimensions, GLint internalFormat, GLint format, GLenum type) const
{
//TODO: Renderer: Make this in a sparate class
glGenTextures(1, texture);
glBindTexture(GL_TEXTURE_2D, *texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, wrapping);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, wrapping);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filtering);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filtering);
glTexImage2D(GL_TEXTURE_2D, 0, internalFormat, dimensions.x, dimensions.y, 0, format, type, nullptr);//TODO: Renderer: Fix the precision and Resolution
GLERROR("Texture initialization failed");
}
+20
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@@ -0,0 +1,20 @@
#include "Rendering/PickingPassState.h"
PickingPassState::PickingPassState(GLuint frameBuffer)
{
GLERROR("---2");
BindBuffer(frameBuffer);
GLERROR("---3");
Enable(GL_DEPTH_TEST);
Enable(GL_CULL_FACE);
glm::vec4 clearColor = glm::vec4(0.f);
ClearColor(clearColor);
Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
}
PickingPassState::~PickingPassState()
{
}
+111
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@@ -0,0 +1,111 @@
#include "Rendering/RenderState.h"
RenderState::RenderState()
{
}
bool RenderState::Enable(GLenum GLEnable)
{
if(glIsEnabled(GLEnable))
{
LOG_WARNING("Trying to enable somthing that is already enabled.");
return false;
}
m_Enables.push_back(GLEnable);
glEnable(GLEnable);
if (GLERROR("RenderState::Enable"))
{
return false;
}
return true;
}
bool RenderState::CullFace(GLenum GLCullFace)
{
if(!glIsEnabled(GL_CULL_FACE))
{
LOG_ERROR("Setting GL_CULL_FACE without enabling it.");
return false;
}
GLint a;
glGetIntegerv(GL_CULL_FACE_MODE, &a);
if(a != GL_BACK)
{
//LOG_INFO("Setting Cullface to back, unessesary since this is already default.");
glCullFace(GLCullFace);
}
if (GLERROR("RenderState::CullFace"))
{
return false;
}
return true;
}
bool RenderState::ClearColor(glm::vec4 color)
{
glGetFloatv(GL_COLOR_CLEAR_VALUE, &m_preClearColor[0]);
glClearColor(color.r, color.g, color.b, color.a);
if (GLERROR("RenderState::ClearColor")) {
return false;
}
return true;
}
bool RenderState::Clear(GLbitfield mask)
{
glClear(mask);
if (GLERROR("RenderState::Clear")) {
return false;
}
return true;
}
bool RenderState::BindBuffer(GLint buffer)
{
glGetIntegerv(GL_FRAMEBUFFER_BINDING, &m_preBuffer);
if (buffer == m_preBuffer)
{
return true;
}
glBindFramebuffer(GL_FRAMEBUFFER, buffer);
if (GLERROR("RenderState::BindBuffer"))
{
printf("BufferID: %i\npreBufferID: %i\n", buffer, m_preBuffer);
return false;
}
return true;
}
RenderState::~RenderState()
{
GLERROR("RenderState::~RenderState Pre");
GLint n_buffer = -1;
glGetIntegerv(GL_FRAMEBUFFER_BINDING, &n_buffer);
//Set cullface to default
if (glIsEnabled(GL_CULL_FACE)) {
glCullFace(GL_BACK);
}
GLERROR("RenderState::~RenderState glCullFace");
//Set color to default
glClearColor(m_preClearColor[0], m_preClearColor[1], m_preClearColor[2], m_preClearColor[3]);
GLERROR("RenderState::~RenderState glClearColor");
//Disable Enables
for (auto i : m_Enables)
{
glDisable(i);
}
GLERROR("RenderState::~RenderState glDisable");
if(m_preBuffer != 0)
{
glBindFramebuffer(GL_FRAMEBUFFER, 0);
}
m_Enables.clear();
GLERROR("RenderState::~RenderState glBindFramebuffer");
}
+114 -159
View File
@@ -10,12 +10,14 @@ void Renderer::Initialize()
if (m_Camera == nullptr) {
m_Camera = m_DefaultCamera;
}
TEMPCreateLights();
InitializeRenderPasses();
glfwSwapInterval(m_VSYNC);
InitializeShaders();
InitializeTextures();
InitializeFrameBuffers();
InitializeSSBOs();
//CalculateFrustum();
m_ScreenQuad = ResourceManager::Load<Model>("Models/Core/ScreenQuad.obj");
m_UnitQuad = ResourceManager::Load<Model>("Models/Core/UnitQuad.obj");
@@ -64,22 +66,23 @@ void Renderer::InitializeWindow()
void Renderer::InitializeShaders()
{
m_BasicForwardProgram.AddShader(std::shared_ptr<Shader>(new VertexShader("Shaders/BasicForward.vert.glsl")));
m_BasicForwardProgram.AddShader(std::shared_ptr<Shader>(new FragmentShader("Shaders/BasicForward.frag.glsl")));
m_BasicForwardProgram.Compile();
m_BasicForwardProgram.Link();
m_BasicForwardProgram = ResourceManager::Load<ShaderProgram>("#m_BasicForwardProgram");
m_PickingProgram.AddShader(std::shared_ptr<Shader>(new VertexShader("Shaders/Picking.vert.glsl")));
m_PickingProgram.AddShader(std::shared_ptr<Shader>(new FragmentShader("Shaders/Picking.frag.glsl")));
m_PickingProgram.Compile();
m_PickingProgram.BindFragDataLocation(0, "TextureFragment");
m_PickingProgram.Link();
m_DrawScreenQuadProgram = ResourceManager::Load<ShaderProgram>("#DrawScreenQuadProgram");
m_DrawScreenQuadProgram->AddShader(std::shared_ptr<Shader>(new VertexShader("Shaders/DrawScreenQuad.vert.glsl")));
m_DrawScreenQuadProgram->AddShader(std::shared_ptr<Shader>(new FragmentShader("Shaders/DrawScreenQuad.frag.glsl")));
m_DrawScreenQuadProgram->Compile();
m_DrawScreenQuadProgram->Link();
m_DrawScreenQuadProgram.AddShader(std::shared_ptr<Shader>(new VertexShader("Shaders/DrawScreenQuad.vert.glsl")));
m_DrawScreenQuadProgram.AddShader(std::shared_ptr<Shader>(new FragmentShader("Shaders/DrawScreenQuad.frag.glsl")));
m_DrawScreenQuadProgram.Compile();
m_DrawScreenQuadProgram.Link();
//m_CalculateFrustumProgram = ResourceManager::Load<ShaderProgram>("#CalculateFrustumProgram");
//m_CalculateFrustumProgram.AddShader(std::shared_ptr<Shader>(new ComputeShader("Shaders/GridFrustum.comp.glsl")));
//m_CalculateFrustumProgram.Compile();
//m_CalculateFrustumProgram.Link();
//m_LightCullProgram = ResourceManager::Load<ShaderProgram>("#LightCullProgram");
//m_LightCullProgram.AddShader(std::shared_ptr<Shader>(new ComputeShader("Shaders/cullLights.comp.glsl")));
//m_LightCullProgram.Compile();
//m_LightCullProgram.Link();
}
void Renderer::InputUpdate(double dt)
@@ -128,129 +131,15 @@ void Renderer::Update(double dt)
void Renderer::Draw(RenderQueueCollection& rq)
{
//TODO: Renderer: Kanske borde vara längst upp i update.
PickingPass(rq);
DrawScreenQuad(m_PickingTexture);
m_PickingPass->Draw(rq);
//DrawScreenQuad(m_PickingPass->PickingTexture());
//CullLights();
DrawScene(rq);
m_DrawScenePass->Draw(rq);
GLERROR("Renderer::Draw m_DrawScenePass->Draw");
glfwSwapBuffers(m_Window);
}
void Renderer::DrawScene(RenderQueueCollection& rq)
{
glBindFramebuffer(GL_FRAMEBUFFER, 0);
//TODO: Render: Clean up draw code
glEnable(GL_DEPTH_TEST);
glEnable(GL_CULL_FACE);
glCullFace(GL_BACK);
glClearColor(255.f / 255, 163.f / 255, 176.f / 255, 0.f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//TODO: Render: Add code for more jobs than modeljobs.
for (auto &job : rq.Forward) {
auto modelJob = std::dynamic_pointer_cast<ModelJob>(job);
if (modelJob) {
GLuint ShaderHandle = m_BasicForwardProgram.GetHandle();
m_BasicForwardProgram.Bind();
//TODO: Kolla upp "header/include/common" shader saken så man slipper skicka in asmycket uniforms
glUniformMatrix4fv(glGetUniformLocation(ShaderHandle, "M"), 1, GL_FALSE, glm::value_ptr(modelJob->ModelMatrix));
glUniformMatrix4fv(glGetUniformLocation(ShaderHandle, "V"), 1, GL_FALSE, glm::value_ptr(m_Camera->ViewMatrix()));
glUniformMatrix4fv(glGetUniformLocation(ShaderHandle, "P"), 1, GL_FALSE, glm::value_ptr(m_Camera->ProjectionMatrix()));
glUniform4fv(glGetUniformLocation(ShaderHandle, "Color"), 1, glm::value_ptr(modelJob->Color));
//TODO: Renderer: bättre textur felhantering samt fler texturer stöd
if (modelJob->DiffuseTexture != nullptr) {
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, modelJob->DiffuseTexture->m_Texture);
} else {
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, m_WhiteTexture->m_Texture);
}
glBindVertexArray(modelJob->Model->VAO);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, modelJob->Model->ElementBuffer);
glDrawElementsBaseVertex(GL_TRIANGLES, modelJob->EndIndex - modelJob->StartIndex + 1, GL_UNSIGNED_INT, 0, modelJob->StartIndex);
continue;
}
}
GLERROR("DrawScene Error");
}
void Renderer::PickingPass(RenderQueueCollection& rq)
{
m_PickingColorsToEntity.clear();
m_PickingBuffer.Bind();
glEnable(GL_DEPTH_TEST);
glEnable(GL_CULL_FACE);
glCullFace(GL_BACK);
glClearColor(0.f, 0.f, 0.f, 1.f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
int r = 1;
int g = 0;
//TODO: Render: Add code for more jobs than modeljobs.
GLuint ShaderHandle = m_PickingProgram.GetHandle();
m_PickingProgram.Bind();
for (auto &job : rq.Forward) {
auto modelJob = std::dynamic_pointer_cast<ModelJob>(job);
if (modelJob) {
//---------------
//TODO: Renderer: IMPORTANT: Fixa detta så det inte loopar igenom listan varje frame.
//---------------
int pickColor[2] = { r, g };
for (auto i : m_PickingColorsToEntity) {
if(modelJob->Entity == i.second) {
pickColor[0] = i.first.x;
pickColor[1] = i.first.y;
r -= 1;
}
}
m_PickingColorsToEntity[glm::vec2(pickColor[0], pickColor[1])] = modelJob->Entity;
//Render picking stuff
//TODO: Kolla upp "header/include/common" shader saken så man slipper skicka in asmycket uniforms
glUniformMatrix4fv(glGetUniformLocation(ShaderHandle, "M"), 1, GL_FALSE, glm::value_ptr(modelJob->ModelMatrix));
glUniformMatrix4fv(glGetUniformLocation(ShaderHandle, "V"), 1, GL_FALSE, glm::value_ptr(m_Camera->ViewMatrix()));
glUniformMatrix4fv(glGetUniformLocation(ShaderHandle, "P"), 1, GL_FALSE, glm::value_ptr(m_Camera->ProjectionMatrix()));
glUniform2fv(glGetUniformLocation(ShaderHandle, "PickingColor"), 1, glm::value_ptr(glm::vec2(pickColor[0], pickColor[1])));
glBindVertexArray(modelJob->Model->VAO);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, modelJob->Model->ElementBuffer);
glDrawElementsBaseVertex(GL_TRIANGLES, modelJob->EndIndex - modelJob->StartIndex + 1, GL_UNSIGNED_INT, 0, modelJob->StartIndex);
r += 1;
if(r > 255) {
r = 0;
g += 1;
}
}
}
m_PickingBuffer.Unbind();
GLERROR("PickingPass Error");
//Publish pick event every frame with the pick data that can be picked by the event
Events::Picking pickEvent = Events::Picking(
&m_PickingBuffer,
&m_DepthBuffer,
m_Camera->ProjectionMatrix(),
m_Camera->ViewMatrix(),
m_Resolution,
&m_PickingColorsToEntity);
m_EventBroker->Publish(pickEvent);
}
void Renderer::DrawScreenQuad(GLuint textureToDraw)
{
glBindFramebuffer(GL_FRAMEBUFFER, 0);
@@ -262,7 +151,7 @@ void Renderer::DrawScreenQuad(GLuint textureToDraw)
glClear(GL_COLOR_BUFFER_BIT);
m_DrawScreenQuadProgram.Bind();
m_DrawScreenQuadProgram->Bind();
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, textureToDraw);
@@ -272,24 +161,10 @@ void Renderer::DrawScreenQuad(GLuint textureToDraw)
, GL_UNSIGNED_INT, 0, m_ScreenQuad->TextureGroups[0].StartIndex);
}
void Renderer::InitializeTextures()
{
m_ErrorTexture=ResourceManager::Load<Texture>("Textures/Core/ErrorTexture.png");
m_WhiteTexture=ResourceManager::Load<Texture>("Textures/Core/Blank.png");
/*
glGenTextures(1, &m_PickingTexture);
glBindTexture(GL_TEXTURE_2D, m_PickingTexture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_BORDER);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RG8, m_Resolution.Width, m_Resolution.Height, 0, GL_RG, GL_FLOAT, NULL);//TODO: Renderer: Fix the precision and Resolution
GLERROR("m_PickingTexture initialization failed");
*/
GenerateTexture(&m_PickingTexture, GL_CLAMP_TO_BORDER, GL_LINEAR,
glm::vec2(m_Resolution.Width, m_Resolution.Height), GL_RG8, GL_RG, GL_UNSIGNED_BYTE);
}
void Renderer::GenerateTexture(GLuint* texture, GLenum wrapping, GLenum filtering, glm::vec2 dimensions, GLint internalFormat, GLint format, GLenum type)
@@ -304,15 +179,95 @@ void Renderer::GenerateTexture(GLuint* texture, GLenum wrapping, GLenum filterin
GLERROR("Texture initialization failed");
}
void Renderer::InitializeFrameBuffers()//TODO: Renderer: Get this to a better location, as its really big
void Renderer::InitializeSSBOs()
{
glGenRenderbuffers(1, &m_DepthBuffer);
glBindRenderbuffer(GL_RENDERBUFFER, m_DepthBuffer);
glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT, m_Resolution.Width, m_Resolution.Height);
printf("Size: %i\n", sizeof(m_Frustums));
glGenBuffers(1, &m_FrustumSSBO);
glBindBuffer(GL_SHADER_STORAGE_BUFFER, m_FrustumSSBO);
glBufferData(GL_SHADER_STORAGE_BUFFER, sizeof(m_Frustums), &m_Frustums, GL_DYNAMIC_COPY);
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 0, m_FrustumSSBO);
glBindBuffer(GL_SHADER_STORAGE_BUFFER, 0);
GLERROR("m_FrustumSSBO");
glGenBuffers(1, &m_LightSSBO);
glBindBuffer(GL_SHADER_STORAGE_BUFFER, m_LightSSBO);
glBufferData(GL_SHADER_STORAGE_BUFFER, sizeof(m_PointLights), &m_PointLights, GL_DYNAMIC_COPY);
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 1, m_LightSSBO);
glBindBuffer(GL_SHADER_STORAGE_BUFFER, 0);
GLERROR("m_LightSSBO");
glGenBuffers(1, &m_LightGridSSBO);
glBindBuffer(GL_SHADER_STORAGE_BUFFER, m_LightGridSSBO);
glBufferData(GL_SHADER_STORAGE_BUFFER, sizeof(m_LightGrid), &m_LightGrid, GL_DYNAMIC_COPY);
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 2, m_LightGridSSBO);
glBindBuffer(GL_SHADER_STORAGE_BUFFER, 0);
GLERROR("m_LightGridSSBO");
glGenBuffers(1, &m_LightOffsetSSBO);
glBindBuffer(GL_SHADER_STORAGE_BUFFER, m_LightOffsetSSBO);
glBufferData(GL_SHADER_STORAGE_BUFFER, sizeof(m_LightOffset), &m_LightOffset, GL_DYNAMIC_COPY);
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 3, m_LightOffsetSSBO);
glBindBuffer(GL_SHADER_STORAGE_BUFFER, 0);
GLERROR("m_LightOffsetSSBO");
glGenBuffers(1, &m_LightIndexSSBO);
glBindBuffer(GL_SHADER_STORAGE_BUFFER, m_LightIndexSSBO);
glBufferData(GL_SHADER_STORAGE_BUFFER, sizeof(m_LightIndex), &m_LightIndex, GL_DYNAMIC_COPY);
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 4, m_LightIndexSSBO);
glBindBuffer(GL_SHADER_STORAGE_BUFFER, 0);
GLERROR("m_LightIndexSSBO");
}
void Renderer::InitializeRenderPasses()
{
m_DrawScenePass = new DrawScenePass(this);
m_PickingPass = new PickingPass(this, m_EventBroker);
}
void Renderer::CalculateFrustum()
{
GLERROR("CalculateFrustum Error-1");
m_CalculateFrustumProgram->Bind();
m_PickingBuffer.AddResource(std::shared_ptr<BufferResource>(new RenderBuffer(&m_DepthBuffer, GL_DEPTH_ATTACHMENT)));
m_PickingBuffer.AddResource(std::shared_ptr<BufferResource>(new Texture2D(&m_PickingTexture, GL_COLOR_ATTACHMENT0)));
m_PickingBuffer.Generate();
}
GLERROR("CalculateFrustum Error1");
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 0, m_FrustumSSBO);
GLERROR("CalculateFrustum Error2");
glUniformMatrix4fv(glGetUniformLocation(m_CalculateFrustumProgram->GetHandle(), "P"), 1, false, glm::value_ptr(m_Camera->ProjectionMatrix()));
GLERROR("CalculateFrustum Error3");
glUniform2f(glGetUniformLocation(m_CalculateFrustumProgram->GetHandle(), "ScreenDimensions"), m_Resolution.Width, m_Resolution.Height);
GLERROR("CalculateFrustum Error4");
glDispatchCompute(5, 3, 1);
GLERROR("CalculateFrustum Error5");
}
void Renderer::TEMPCreateLights()
{
for (int i = 0; i < NUM_LIGHTS; i++) {
m_PointLights[i].Position = glm::vec4(i, 0.f, 0.f, 0.f);
m_PointLights[i].Color = glm::vec4(1.f, 0.5f, 0.f + i*0.1f, 1.f);
}
}
void Renderer::CullLights()
{
m_LightCullProgram->Bind();
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 0, m_FrustumSSBO);
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 1, m_LightSSBO);
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 2, m_LightGridSSBO);
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 3, m_LightOffsetSSBO);
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 4, m_LightIndexSSBO);
glDispatchCompute(m_Resolution.Width / TILE_SIZE, m_Resolution.Height / TILE_SIZE, 1);
GLERROR("CullLights Error");
}