Differential D2812 Diff 12272 source/renderer/PostprocManager.cpp

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source/renderer/PostprocManager.cpp

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#include "maths/MathUtil.h"		#include "maths/MathUtil.h"
#include "ps/ConfigDB.h"		#include "ps/ConfigDB.h"
#include "ps/CLogger.h"		#include "ps/CLogger.h"
#include "ps/Filesystem.h"		#include "ps/Filesystem.h"
#include "ps/Game.h"		#include "ps/Game.h"
#include "ps/World.h"		#include "ps/World.h"
#include "renderer/Renderer.h"		#include "renderer/Renderer.h"
#include "renderer/RenderingOptions.h"		#include "renderer/RenderingOptions.h"
		#include "tools/atlas/GameInterface/GameLoop.h"

#if !CONFIG2_GLES		#if !CONFIG2_GLES

CPostprocManager::CPostprocManager()		CPostprocManager::CPostprocManager()
: m_IsInitialized(false), m_PingFbo(0), m_PongFbo(0), m_PostProcEffect(L"default"), m_ColorTex1(0), m_ColorTex2(0),		: m_IsInitialized(false), m_PingFbo(0), m_PongFbo(0), m_PostProcEffect(L"default"), m_ColorTex1(0), m_ColorTex2(0),
m_DepthTex(0), m_BloomFbo(0), m_BlurTex2a(0), m_BlurTex2b(0), m_BlurTex4a(0), m_BlurTex4b(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)		m_BlurTex8a(0), m_BlurTex8b(0), m_WhichBuffer(true)
{		{
▲ Show 20 Lines • Show All 143 Lines • ▼ Show 20 Lines	void CPostprocManager::RecreateBuffers()

status = pglCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);		status = pglCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
if (status != GL_FRAMEBUFFER_COMPLETE_EXT)		if (status != GL_FRAMEBUFFER_COMPLETE_EXT)
{		{
LOGWARNING("Framebuffer object incomplete (B): 0x%04X", status);		LOGWARNING("Framebuffer object incomplete (B): 0x%04X", status);
}		}
*/		*/

		if (m_UsingMultisampleBuffer)
		{
		DestroyMultisampleBuffer();
		CreateMultisampleBuffer();
		}

pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);		pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
}		}


void CPostprocManager::ApplyBlurDownscale2x(GLuint inTex, GLuint outTex, int inWidth, int inHeight)		void CPostprocManager::ApplyBlurDownscale2x(GLuint inTex, GLuint outTex, int inWidth, int inHeight)
{		{
// Bind inTex to framebuffer for rendering.		// Bind inTex to framebuffer for rendering.
pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_BloomFbo);		pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_BloomFbo);
▲ Show 20 Lines • Show All 162 Lines • ▼ Show 20 Lines	void CPostprocManager::CaptureRenderOutput()
GLenum buffers[] = { GL_COLOR_ATTACHMENT0_EXT, GL_COLOR_ATTACHMENT1_EXT };		GLenum buffers[] = { GL_COLOR_ATTACHMENT0_EXT, GL_COLOR_ATTACHMENT1_EXT };
pglDrawBuffers(1, buffers);		pglDrawBuffers(1, buffers);

pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_PingFbo);		pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_PingFbo);
glClear(GL_COLOR_BUFFER_BIT \| GL_DEPTH_BUFFER_BIT \| GL_STENCIL_BUFFER_BIT);		glClear(GL_COLOR_BUFFER_BIT \| GL_DEPTH_BUFFER_BIT \| GL_STENCIL_BUFFER_BIT);
pglDrawBuffers(1, buffers);		pglDrawBuffers(1, buffers);

m_WhichBuffer = true;		m_WhichBuffer = true;

		if (m_UsingMultisampleBuffer)
		{
		pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_MultisampleFBO);
		glClear(GL_COLOR_BUFFER_BIT \| GL_DEPTH_BUFFER_BIT \| GL_STENCIL_BUFFER_BIT);
		pglDrawBuffers(1, buffers);
		}
}		}


void CPostprocManager::ReleaseRenderOutput()		void CPostprocManager::ReleaseRenderOutput()
{		{
ENSURE(m_IsInitialized);		ENSURE(m_IsInitialized);

pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);		pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
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void CPostprocManager::ApplyPostproc()		void CPostprocManager::ApplyPostproc()
{		{
ENSURE(m_IsInitialized);		ENSURE(m_IsInitialized);

// Don't do anything if we are using the default effect.		// Don't do anything if we are using the default effect.
if (m_PostProcEffect == L"default")		if (m_PostProcEffect == L"default")
return;		return;

		if (m_UsingMultisampleBuffer)
		{
		pglBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, m_PingFbo);
		SilierUnsubmitted Not Done Inline Actions why pingfbo and not mutlisamplefbo? Silier: why pingfbo and not mutlisamplefbo?
		vladislavbelovAuthorUnsubmitted Done Inline Actions Because it's the target: `GL_DRAW_FRAMEBUFFER_EXT`, not the source. vladislavbelov: Because it's the target: `GL_DRAW_FRAMEBUFFER_EXT`, not the source.
		pglBlitFramebufferEXT(0, 0, m_Width, m_Height, 0, 0, m_Width, m_Height,
		GL_COLOR_BUFFER_BIT \| GL_DEPTH_BUFFER_BIT \| GL_STENCIL_BUFFER_BIT, GL_NEAREST);
		pglBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, 0);
		}

pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_PongFbo);		pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_PongFbo);
pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT1_EXT, GL_TEXTURE_2D, 0, 0);		pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT1_EXT, GL_TEXTURE_2D, 0, 0);

GLenum buffers[] = { GL_COLOR_ATTACHMENT0_EXT };		GLenum buffers[] = { GL_COLOR_ATTACHMENT0_EXT };
pglDrawBuffers(1, buffers);		pglDrawBuffers(1, buffers);

pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_PingFbo);		pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_PingFbo);
pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT1_EXT, GL_TEXTURE_2D, 0, 0);		pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT1_EXT, GL_TEXTURE_2D, 0, 0);
▲ Show 20 Lines • Show All 71 Lines • ▼ Show 20 Lines	void CPostprocManager::UpdateAntiAliasingTechnique()

CStr newAAName;		CStr newAAName;
CFG_GET_VAL("antialiasing", newAAName);		CFG_GET_VAL("antialiasing", newAAName);
if (m_AAName == newAAName)		if (m_AAName == newAAName)
return;		return;
m_AAName = newAAName;		m_AAName = newAAName;
m_AATech.reset();		m_AATech.reset();

		if (m_UsingMultisampleBuffer)
		{
		m_UsingMultisampleBuffer = false;
		DestroyMultisampleBuffer();
		}

// We have to hardcode names in the engine, because anti-aliasing		// We have to hardcode names in the engine, because anti-aliasing
// techinques strongly depend on the graphics pipeline.		// techinques strongly depend on the graphics pipeline.
// We might use enums in future though.		// We might use enums in future though.
		const CStr msaaPrefix = "msaa";
if (m_AAName == "fxaa")		if (m_AAName == "fxaa")
{		{
m_AATech = g_Renderer.GetShaderManager().LoadEffect(CStrIntern("fxaa"));		m_AATech = g_Renderer.GetShaderManager().LoadEffect(CStrIntern("fxaa"));
}		}
		else if (m_AAName.size() > msaaPrefix.size() && m_AAName.substr(0, msaaPrefix.size()) == msaaPrefix)
		{
		#if !CONFIG2_GLES
		// We don't want to enable MSAA in Atlas, because it uses wxWidgets and its canvas.
		StanUnsubmitted Not Done Inline Actions Will it still be accurrate after the threading removal ? Stan: Will it still be accurrate after the threading removal ?
		if (g_AtlasGameLoop && g_AtlasGameLoop->running)
		StanUnsubmitted Not Done Inline Actions If I remove this, it works in Atlas but I get once ERROR: GL error GL_INVALID_VALUE (0x0501) occurred though Stan: If I remove this, it works in Atlas but I get once ``` ERROR: GL error GL_INVALID_VALUE…
		return;
		const bool is_msaa_supported =
		ogl_HaveVersion("3.3") &&
		ogl_HaveExtension("GL_ARB_multisample") &&
		StanUnsubmitted Not Done Inline Actions Should be added to the userreporter I think. Stan: Should be added to the userreporter I think.
		ogl_HaveExtension("GL_ARB_texture_multisample") &&
		g_RenderingOptions.GetPreferGLSL();
		if (!is_msaa_supported)
		{
		LOGWARNING("MSAA is unsupported.");
		return;
		}
		std::stringstream ss(m_AAName.substr(msaaPrefix.size()));
		ss >> m_MultisampleCount;
		const GLsizei allowedSampleCounts[] = {2, 4, 8, 16};
		if (std::find(std::begin(allowedSampleCounts), std::end(allowedSampleCounts), m_MultisampleCount) ==
		std::end(allowedSampleCounts))
		{
		m_MultisampleCount = 4;
		LOGWARNING("Wrong MSAA sample count: %s.", m_AAName.EscapeToPrintableASCII().c_str());
		StanUnsubmitted Not Done Inline Actions I assume we can't translate that. Unsupported would be better no? It's not necesserarily wrong is it? Stan: I assume we can't translate that. Unsupported would be better no? It's not necesserarily wrong…
		}
		m_UsingMultisampleBuffer = true;
		CreateMultisampleBuffer();
		#else
		#warning TODO: implement and test MSAA for GLES
		LOGWARNING("MSAA is unsupported.");
		#endif
		}
}		}

void CPostprocManager::SetDepthBufferClipPlanes(float nearPlane, float farPlane)		void CPostprocManager::SetDepthBufferClipPlanes(float nearPlane, float farPlane)
{		{
m_NearPlane = nearPlane;		m_NearPlane = nearPlane;
m_FarPlane = farPlane;		m_FarPlane = farPlane;
}		}

		void CPostprocManager::CreateMultisampleBuffer()
		{
		glEnable(GL_MULTISAMPLE);

		glGenTextures(1, &m_MultisampleColorTex);
		glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, m_MultisampleColorTex);
		pglTexImage2DMultisample(GL_TEXTURE_2D_MULTISAMPLE, m_MultisampleCount, GL_RGBA, m_Width, m_Height, GL_TRUE);

		// Allocate the Depth/Stencil texture.
		glGenTextures(1, &m_MultisampleDepthTex);
		glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, m_MultisampleDepthTex);
		pglTexImage2DMultisample(GL_TEXTURE_2D_MULTISAMPLE, m_MultisampleCount, GL_DEPTH24_STENCIL8_EXT, m_Width, m_Height, GL_TRUE);
		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE, GL_NONE);
		glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, 0);

		ogl_WarnIfError();

		// Set up the framebuffers with some initial textures.
		pglGenFramebuffersEXT(1, &m_MultisampleFBO);
		pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_MultisampleFBO);

		pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
		GL_TEXTURE_2D_MULTISAMPLE, m_MultisampleColorTex, 0);

		pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_STENCIL_ATTACHMENT,
		GL_TEXTURE_2D_MULTISAMPLE, m_MultisampleDepthTex, 0);

		GLenum status = pglCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
		if (status != GL_FRAMEBUFFER_COMPLETE_EXT)
		{
		LOGWARNING("Multisample framebuffer object incomplete (A): 0x%04X", status);
		m_UsingMultisampleBuffer = false;
		DestroyMultisampleBuffer();
		}

		pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);

		glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, 0);
		glBindTexture(GL_TEXTURE_2D, 0);
		}

		void CPostprocManager::DestroyMultisampleBuffer()
		{
		if (m_UsingMultisampleBuffer)
		return;
		if (m_MultisampleFBO)
		pglDeleteFramebuffersEXT(1, &m_MultisampleFBO);
		if (m_MultisampleColorTex)
		glDeleteTextures(1, &m_MultisampleColorTex);
		if (m_MultisampleDepthTex)
		glDeleteTextures(1, &m_MultisampleDepthTex);
		glDisable(GL_MULTISAMPLE);
		}

#else		#else

#warning TODO: implement PostprocManager for GLES		#warning TODO: implement PostprocManager for GLES

void ApplyBlurDownscale2x(GLuint UNUSED(inTex), GLuint UNUSED(outTex), int UNUSED(inWidth), int UNUSED(inHeight))		void ApplyBlurDownscale2x(GLuint UNUSED(inTex), GLuint UNUSED(outTex), int UNUSED(inWidth), int UNUSED(inHeight))
{		{
}		}

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void CPostprocManager::ApplyPostproc()		void CPostprocManager::ApplyPostproc()
{		{
}		}

void CPostprocManager::ReleaseRenderOutput()		void CPostprocManager::ReleaseRenderOutput()
{		{
}		}

		void CPostprocManager::CreateMultisampleBuffer()
		{
		}

		void CPostprocManager::DestroyMultisampleBuffer()
		{
		}

#endif		#endif