Differential D1929 Diff 8175 source/renderer/ShadowMap.cpp

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source/renderer/ShadowMap.cpp

/* Copyright (C) 2017 Wildfire Games.		/* Copyright (C) 2017 Wildfire Games.
		historic_brunoUnsubmitted Not Done Inline Actions 2019 historic_bruno: 2019
* This file is part of 0 A.D.		* This file is part of 0 A.D.
*		*
* 0 A.D. is free software: you can redistribute it and/or modify		* 0 A.D. is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by		* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or		* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.		* (at your option) any later version.
*		*
* 0 A.D. is distributed in the hope that it will be useful,		* 0 A.D. is distributed in the hope that it will be useful,
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#include "graphics/ShaderManager.h"		#include "graphics/ShaderManager.h"

#include "maths/BoundingBoxAligned.h"		#include "maths/BoundingBoxAligned.h"
#include "maths/Brush.h"		#include "maths/Brush.h"
#include "maths/MathUtil.h"		#include "maths/MathUtil.h"
#include "maths/Matrix3D.h"		#include "maths/Matrix3D.h"

#include "renderer/Renderer.h"		#include "renderer/Renderer.h"
		#include "renderer/RenderingOptions.h"
#include "renderer/ShadowMap.h"		#include "renderer/ShadowMap.h"


///////////////////////////////////////////////////////////////////////////////////////////////////		///////////////////////////////////////////////////////////////////////////////////////////////////
// ShadowMap implementation		// ShadowMap implementation

/**		/**
* Struct ShadowMapInternals: Internal data for the ShadowMap implementation		* Struct ShadowMapInternals: Internal data for the ShadowMap implementation
▲ Show 20 Lines • Show All 386 Lines • ▼ Show 20 Lines	void ShadowMapInternals::CreateTexture()
case 32: formatname = "DEPTH_COMPONENT32"; break;		case 32: formatname = "DEPTH_COMPONENT32"; break;
default: formatname = "DEPTH_COMPONENT"; break;		default: formatname = "DEPTH_COMPONENT"; break;
}		}

LOGMESSAGE("Creating shadow texture (size %dx%d) (format = %s)",		LOGMESSAGE("Creating shadow texture (size %dx%d) (format = %s)",
Width, Height, formatname);		Width, Height, formatname);


if (g_Renderer.m_Options.m_ShadowAlphaFix)		if (g_RenderingOptions.GetShadowAlphaFix())
{		{
glGenTextures(1, &DummyTexture);		glGenTextures(1, &DummyTexture);
g_Renderer.BindTexture(0, DummyTexture);		g_Renderer.BindTexture(0, DummyTexture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, Width, Height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);		glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, Width, Height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
▲ Show 20 Lines • Show All 42 Lines • ▼ Show 20 Lines	#endif
ogl_WarnIfError();		ogl_WarnIfError();

// bind to framebuffer object		// bind to framebuffer object
glBindTexture(GL_TEXTURE_2D, 0);		glBindTexture(GL_TEXTURE_2D, 0);
pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, Framebuffer);		pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, Framebuffer);

pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_TEXTURE_2D, Texture, 0);		pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_TEXTURE_2D, Texture, 0);

if (g_Renderer.m_Options.m_ShadowAlphaFix)		if (g_RenderingOptions.GetShadowAlphaFix())
{		{
pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, DummyTexture, 0);		pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, DummyTexture, 0);
}		}
else		else
{		{
#if CONFIG2_GLES		#if CONFIG2_GLES
#warning TODO: figure out whether the glDrawBuffer/glReadBuffer stuff is needed, since it is not supported by GLES		#warning TODO: figure out whether the glDrawBuffer/glReadBuffer stuff is needed, since it is not supported by GLES
#else		#else
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pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, SavedViewFBO);		pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, SavedViewFBO);

if (status != GL_FRAMEBUFFER_COMPLETE_EXT)		if (status != GL_FRAMEBUFFER_COMPLETE_EXT)
{		{
LOGWARNING("Framebuffer object incomplete: 0x%04X", status);		LOGWARNING("Framebuffer object incomplete: 0x%04X", status);

// Disable shadow rendering (but let the user try again if they want)		// Disable shadow rendering (but let the user try again if they want)
g_Renderer.m_Options.m_Shadows = false;		g_RenderingOptions.SetShadows(false);
}		}
}		}


///////////////////////////////////////////////////////////////////////////////////////////////////		///////////////////////////////////////////////////////////////////////////////////////////////////
// Set up to render into shadow map texture		// Set up to render into shadow map texture
void ShadowMap::BeginRender()		void ShadowMap::BeginRender()
{		{
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