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Allow enabling the post processing filters during a game.

Browse source 
Includes numerous code updates, also updated the copyright for
cd5de73f3a.

Patch by dan@sstrev.com, fixes #2672.

This was SVN commit r15843.
This commit is contained in:
Itms 2014-10-05 20:50:10 +00:00
parent cd5de73f3a
commit 5d9d9a67bf
5 changed files with 99 additions and 74 deletions
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2
source/graphics/LOSTexture.cpp
View file

@ -1,4 +1,4 @@
/* Copyright (C) 2013 Wildfire Games.
/* Copyright (C) 2014 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. is free software: you can redistribute it and/or modify

2
source/graphics/LOSTexture.h
View file

@ -1,4 +1,4 @@
/* Copyright (C) 2011 Wildfire Games.
/* Copyright (C) 2014 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. is free software: you can redistribute it and/or modify

145
source/renderer/PostprocManager.cpp
View file

@ -1,4 +1,4 @@
/* Copyright (C) 2013 Wildfire Games.
/* Copyright (C) 2014 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. is free software: you can redistribute it and/or modify
@ -37,7 +37,7 @@
#if !CONFIG2_GLES
CPostprocManager::CPostprocManager()
: m_IsInitialised(false), m_PingFbo(0), m_PongFbo(0), m_PostProcEffect(L"default"), m_ColourTex1(0), m_ColourTex2(0),
: m_IsInitialized(false), m_PingFbo(0), m_PongFbo(0), m_PostProcEffect(L"default"), m_ColourTex1(0), m_ColourTex2(0),
m_DepthTex(0), m_BloomFbo(0), m_BlurTex2a(0), m_BlurTex2b(0), m_BlurTex4a(0), m_BlurTex4b(0),
m_BlurTex8a(0), m_BlurTex8b(0), m_WhichBuffer(true)
{
@ -45,53 +45,60 @@ CPostprocManager::CPostprocManager()
CPostprocManager::~CPostprocManager()
{
Cleanup();
}
void CPostprocManager::Initialize()
{
RecreateBuffers();
m_IsInitialised = true;
SetPostEffect(L"default");
if (m_IsInitialized)
Cleanup();
}
void CPostprocManager::Cleanup()
{
if (m_IsInitialised)
{
if (m_PingFbo) pglDeleteFramebuffersEXT(1, &m_PingFbo);
if (m_PongFbo) pglDeleteFramebuffersEXT(1, &m_PongFbo);
if (m_BloomFbo) pglDeleteFramebuffersEXT(1, &m_BloomFbo);
m_PingFbo = m_PongFbo = m_BloomFbo = 0;
if (m_ColourTex1) glDeleteTextures(1, &m_ColourTex1);
if (m_ColourTex2) glDeleteTextures(1, &m_ColourTex2);
if (m_DepthTex) glDeleteTextures(1, &m_DepthTex);
m_ColourTex1 = m_ColourTex2 = m_DepthTex = 0;
if (m_BlurTex2a) glDeleteTextures(1, &m_BlurTex2a);
if (m_BlurTex2b) glDeleteTextures(1, &m_BlurTex2b);
if (m_BlurTex4a) glDeleteTextures(1, &m_BlurTex4a);
if (m_BlurTex4b) glDeleteTextures(1, &m_BlurTex4b);
if (m_BlurTex8a) glDeleteTextures(1, &m_BlurTex8a);
if (m_BlurTex8b) glDeleteTextures(1, &m_BlurTex8b);
m_BlurTex2a = m_BlurTex2b = m_BlurTex4a = m_BlurTex4b = m_BlurTex8a = m_BlurTex8b = 0;
}
if (m_PingFbo) pglDeleteFramebuffersEXT(1, &m_PingFbo);
if (m_PongFbo) pglDeleteFramebuffersEXT(1, &m_PongFbo);
if (m_BloomFbo) pglDeleteFramebuffersEXT(1, &m_BloomFbo);
m_PingFbo = m_PongFbo = m_BloomFbo = 0;
if (m_ColourTex1) glDeleteTextures(1, &m_ColourTex1);
if (m_ColourTex2) glDeleteTextures(1, &m_ColourTex2);
if (m_DepthTex) glDeleteTextures(1, &m_DepthTex);
m_ColourTex1 = m_ColourTex2 = m_DepthTex = 0;
if (m_BlurTex2a) glDeleteTextures(1, &m_BlurTex2a);
if (m_BlurTex2b) glDeleteTextures(1, &m_BlurTex2b);
if (m_BlurTex4a) glDeleteTextures(1, &m_BlurTex4a);
if (m_BlurTex4b) glDeleteTextures(1, &m_BlurTex4b);
if (m_BlurTex8a) glDeleteTextures(1, &m_BlurTex8a);
if (m_BlurTex8b) glDeleteTextures(1, &m_BlurTex8b);
m_BlurTex2a = m_BlurTex2b = m_BlurTex4a = m_BlurTex4b = m_BlurTex8a = m_BlurTex8b = 0;
}
void CPostprocManager::Initialize()
{
// The screen size starts out correct and then must be updated with Resize()
m_Width = g_Renderer.GetWidth();
m_Height = g_Renderer.GetHeight();
RecreateBuffers();
m_IsInitialized = true;
}
void CPostprocManager::Resize()
{
m_Width = g_Renderer.GetWidth();
m_Height = g_Renderer.GetHeight();
// If the buffers were intialized, recreate them to the new size.
if (m_IsInitialized)
RecreateBuffers();
}
void CPostprocManager::RecreateBuffers()
{
Cleanup();
m_Width = g_Renderer.GetWidth();
m_Height = g_Renderer.GetHeight();
if (m_IsInitialized) // Only cleanup if previously used
Cleanup();
#define GEN_BUFFER_RGBA(name, w, h) \
glGenTextures(1, (GLuint*)&name); \
glBindTexture(GL_TEXTURE_2D, name); \
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, \
GL_UNSIGNED_BYTE, 0); \
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0); \
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); \
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); \
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); \
@ -119,10 +126,11 @@ void CPostprocManager::RecreateBuffers()
// Allocate the Depth/Stencil texture.
glGenTextures(1, (GLuint*)&m_DepthTex);
glBindTexture(GL_TEXTURE_2D, m_DepthTex);
glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH24_STENCIL8_EXT, m_Width, m_Height,
0, GL_DEPTH_STENCIL_EXT, GL_UNSIGNED_INT_24_8_EXT, 0);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE,
GL_NONE);
0, GL_DEPTH_STENCIL_EXT, GL_UNSIGNED_INT_24_8_EXT, 0);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE, GL_NONE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
@ -134,8 +142,12 @@ void CPostprocManager::RecreateBuffers()
pglGenFramebuffersEXT(1, &m_PingFbo);
pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_PingFbo);
pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, m_ColourTex1, 0);
pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D, m_DepthTex, 0);
pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
GL_TEXTURE_2D, m_ColourTex1, 0);
pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_STENCIL_ATTACHMENT,
GL_TEXTURE_2D, m_DepthTex, 0);
GLenum status = pglCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
if (status != GL_FRAMEBUFFER_COMPLETE_EXT)
@ -145,8 +157,12 @@ void CPostprocManager::RecreateBuffers()
pglGenFramebuffersEXT(1, &m_PongFbo);
pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_PongFbo);
pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, m_ColourTex2, 0);
pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D, m_DepthTex, 0);
pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
GL_TEXTURE_2D, m_ColourTex2, 0);
pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_STENCIL_ATTACHMENT,
GL_TEXTURE_2D, m_DepthTex, 0);
status = pglCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
if (status != GL_FRAMEBUFFER_COMPLETE_EXT)
@ -156,13 +172,17 @@ void CPostprocManager::RecreateBuffers()
pglGenFramebuffersEXT(1, &m_BloomFbo);
pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_BloomFbo);
/*pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, m_BloomTex1, 0);
/*
pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
GL_TEXTURE_2D, m_BloomTex1, 0);
status = pglCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
if (status != GL_FRAMEBUFFER_COMPLETE_EXT)
{
LOGWARNING(L"Framebuffer object incomplete (B): 0x%04X", status);
}*/
}
*/
pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
}
@ -332,6 +352,9 @@ void CPostprocManager::ApplyBlur()
void CPostprocManager::CaptureRenderOutput()
{
if (!m_IsInitialized)
Initialize();
// clear both FBOs and leave m_PingFbo selected for rendering;
// m_WhichBuffer stays true at this point
pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_PongFbo);
@ -350,6 +373,9 @@ void CPostprocManager::CaptureRenderOutput()
void CPostprocManager::ReleaseRenderOutput()
{
if (!m_IsInitialized)
Initialize();
pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
@ -370,9 +396,9 @@ void CPostprocManager::ReleaseRenderOutput()
void CPostprocManager::LoadEffect(CStrW &name)
{
if (!m_IsInitialised)
return;
if (!m_IsInitialized)
Initialize();
if (name != L"default")
{
CStrW n = L"postproc/" + name;
@ -458,14 +484,12 @@ void CPostprocManager::ApplyEffect(CShaderTechniquePtr &shaderTech1, int pass)
void CPostprocManager::ApplyPostproc()
{
if (!m_IsInitialised)
return;
if (!m_IsInitialized)
Initialize();
// Don't do anything if we are using the default effect.
if (m_PostProcEffect == L"default")
{
return;
}
pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_PongFbo);
pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT1_EXT, GL_TEXTURE_2D, 0, 0);
@ -488,9 +512,7 @@ void CPostprocManager::ApplyPostproc()
ApplyBlur();
for (int pass = 0; pass < m_PostProcTech->GetNumPasses(); ++pass)
{
ApplyEffect(m_PostProcTech, pass);
}
pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_PongFbo);
pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D, m_DepthTex, 0);
@ -501,7 +523,7 @@ void CPostprocManager::ApplyPostproc()
// Generate list of available effect-sets
std::vector<CStrW> CPostprocManager::GetPostEffects() const
std::vector<CStrW> CPostprocManager::GetPostEffects()
{
std::vector<CStrW> effects;
@ -509,10 +531,8 @@ std::vector<CStrW> CPostprocManager::GetPostEffects() const
VfsPaths pathnames;
if(vfs::GetPathnames(g_VFS, path, 0, pathnames) < 0)
{
LOGERROR(L"Error finding Post effects in '%ls'", path.string().c_str());
}
for(size_t i = 0; i < pathnames.size(); i++)
{
if (pathnames[i].Extension() != L".xml")
@ -531,6 +551,9 @@ std::vector<CStrW> CPostprocManager::GetPostEffects() const
void CPostprocManager::SetPostEffect(CStrW name)
{
if (!m_IsInitialized)
Initialize();
LoadEffect(name);
}

19
source/renderer/PostprocManager.h
View file

@ -1,4 +1,4 @@
/* Copyright (C) 2012 Wildfire Games.
/* Copyright (C) 2014 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. is free software: you can redistribute it and/or modify
@ -48,8 +48,8 @@ private:
// The current screen dimensions in pixels.
int m_Width, m_Height;
// Is the postproc manager initialised? Buffers created? Default effect loaded?
bool m_IsInitialised;
// Is the postproc manager initialized? Buffers created? Default effect loaded?
bool m_IsInitialized;
// Creates blur textures at various scales, for bloom, DOF, etc.
void ApplyBlur();
@ -68,16 +68,19 @@ private:
// the depth buffer, a number of blur textures, the screen size, the zNear/zFar planes and
// some other parameters used by the optional bloom/HDR pass.
void ApplyEffect(CShaderTechniquePtr &shaderTech1, int pass);
// Delete all allocated buffers/textures from GPU memory.
void Cleanup();
public:
CPostprocManager();
~CPostprocManager();
// Create all buffers/textures in GPU memory and set default effect.
void Initialize();
// Delete all allocated buffers/textures from GPU memory.
void Cleanup();
// Update the size of the screen
void Resize();
// Delete existing buffers/textures and create them again, using a new screen size if needed.
// (the textures are also attached to the framebuffers)
@ -87,7 +90,7 @@ public:
void LoadEffect(CStrW &name);
// Returns a list of xml files found in shaders/effects/postproc.
std::vector<CStrW> GetPostEffects() const;
static std::vector<CStrW> GetPostEffects();
// Returns the name of the current effect.
inline const CStrW& GetPostEffect() const

5
source/renderer/Renderer.cpp
View file

@ -651,7 +651,7 @@ bool CRenderer::Open(int width, int height)
}
// resize renderer view
void CRenderer::Resize(int width,int height)
void CRenderer::Resize(int width, int height)
{
// need to recreate the shadow map object to resize the shadow texture
m->shadow.RecreateTexture();
@ -659,8 +659,7 @@ void CRenderer::Resize(int width,int height)
m_Width = width;
m_Height = height;
if (m_Options.m_Postproc)
m->postprocManager.RecreateBuffers();
m->postprocManager.Resize();
}
//////////////////////////////////////////////////////////////////////////////////////////