mirror of https://github.com/PCSX2/pcsx2.git
660 lines
16 KiB
C++
660 lines
16 KiB
C++
/*
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* Copyright (C) 2011-2011 Gregory hainaut
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* Copyright (C) 2007-2009 Gabest
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*
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* This Program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This Program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Make; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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*/
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#pragma once
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#include <fstream>
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#include "GSDevice.h"
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#include "GSTextureOGL.h"
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#include "GSdx.h"
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#include "GSVertexArrayOGL.h"
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#include "GSUniformBufferOGL.h"
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class GSBlendStateOGL {
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// Note: You can also select the index of the draw buffer for which to set the blend setting
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// We will keep basic the first try
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bool m_enable;
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GLenum m_equation_RGB;
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GLenum m_equation_ALPHA;
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GLenum m_func_sRGB;
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GLenum m_func_dRGB;
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GLenum m_func_sALPHA;
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GLenum m_func_dALPHA;
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bool m_r_msk;
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bool m_b_msk;
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bool m_g_msk;
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bool m_a_msk;
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bool constant_factor;
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float debug_factor;
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public:
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GSBlendStateOGL() : m_enable(false)
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, m_equation_RGB(0)
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, m_equation_ALPHA(GL_FUNC_ADD)
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, m_func_sRGB(0)
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, m_func_dRGB(0)
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, m_func_sALPHA(GL_ONE)
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, m_func_dALPHA(GL_ZERO)
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, m_r_msk(GL_TRUE)
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, m_b_msk(GL_TRUE)
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, m_g_msk(GL_TRUE)
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, m_a_msk(GL_TRUE)
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, constant_factor(false)
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{}
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void SetRGB(GLenum op, GLenum src, GLenum dst)
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{
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m_equation_RGB = op;
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m_func_sRGB = src;
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m_func_dRGB = dst;
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if (IsConstant(src) || IsConstant(dst)) constant_factor = true;
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}
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void SetALPHA(GLenum op, GLenum src, GLenum dst)
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{
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m_equation_ALPHA = op;
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m_func_sALPHA = src;
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m_func_dALPHA = dst;
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}
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void SetMask(bool r, bool g, bool b, bool a) { m_r_msk = r; m_g_msk = g; m_b_msk = b; m_a_msk = a; }
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void RevertOp()
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{
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if(m_equation_RGB == GL_FUNC_ADD)
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m_equation_RGB = GL_FUNC_REVERSE_SUBTRACT;
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else if(m_equation_RGB == GL_FUNC_REVERSE_SUBTRACT)
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m_equation_RGB = GL_FUNC_ADD;
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}
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void EnableBlend() { m_enable = true;}
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bool IsConstant(GLenum factor) { return ((factor == GL_CONSTANT_COLOR) || (factor == GL_ONE_MINUS_CONSTANT_COLOR)); }
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bool HasConstantFactor() { return constant_factor; }
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void SetupColorMask()
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{
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glColorMask(m_r_msk, m_g_msk, m_b_msk, m_a_msk);
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}
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void SetupBlend(float factor)
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{
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SetupColorMask();
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if (m_enable) {
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glEnable(GL_BLEND);
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if (HasConstantFactor()) {
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debug_factor = factor;
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glBlendColor(factor, factor, factor, 0);
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}
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glBlendEquationSeparate(m_equation_RGB, m_equation_ALPHA);
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glBlendFuncSeparate(m_func_sRGB, m_func_dRGB, m_func_sALPHA, m_func_dALPHA);
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} else {
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glDisable(GL_BLEND);
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}
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}
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char* NameOfParam(GLenum p)
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{
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switch (p) {
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case GL_FUNC_ADD: return "ADD";
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case GL_FUNC_SUBTRACT: return "SUB";
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case GL_FUNC_REVERSE_SUBTRACT: return "REV SUB";
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case GL_ONE: return "ONE";
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case GL_ZERO: return "ZERO";
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case GL_SRC1_ALPHA: return "SRC1 ALPHA";
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case GL_SRC_ALPHA: return "SRC ALPHA";
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case GL_ONE_MINUS_DST_ALPHA: return "1 - DST ALPHA";
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case GL_DST_ALPHA: return "DST ALPHA";
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case GL_DST_COLOR: return "DST COLOR";
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case GL_ONE_MINUS_SRC1_ALPHA: return "1 - SRC1 ALPHA";
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case GL_ONE_MINUS_SRC_ALPHA: return "1 - SRC ALPHA";
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case GL_CONSTANT_COLOR: return "CST";
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case GL_ONE_MINUS_CONSTANT_COLOR: return "1 - CST";
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default: return "UKN";
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}
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return "UKN";
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}
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void debug()
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{
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if (!m_enable) return;
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fprintf(stderr,"Blend op: %s; src:%s; dst:%s\n", NameOfParam(m_equation_RGB), NameOfParam(m_func_sRGB), NameOfParam(m_func_dRGB));
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if (HasConstantFactor()) fprintf(stderr, "Blend constant: %f\n", debug_factor);
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fprintf(stderr,"Mask. R:%d B:%d G:%d A:%d\n", m_r_msk, m_b_msk, m_g_msk, m_a_msk);
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}
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};
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class GSDepthStencilOGL {
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bool m_depth_enable;
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GLenum m_depth_func;
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GLboolean m_depth_mask;
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// Note front face and back might be split but it seems they have same parameter configuration
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bool m_stencil_enable;
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GLuint m_stencil_mask;
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GLuint m_stencil_func;
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GLuint m_stencil_ref;
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GLuint m_stencil_sfail_op;
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GLuint m_stencil_spass_dfail_op;
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GLuint m_stencil_spass_dpass_op;
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char* NameOfParam(GLenum p)
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{
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switch(p) {
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case GL_NEVER: return "NEVER";
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case GL_ALWAYS: return "ALWAYS";
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case GL_GEQUAL: return "GEQUAL";
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case GL_GREATER: return "GREATER";
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case GL_KEEP: return "KEEP";
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case GL_EQUAL: return "EQUAL";
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case GL_REPLACE: return "REPLACE";
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default: return "UKN";
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}
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return "UKN";
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}
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public:
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GSDepthStencilOGL() : m_depth_enable(false)
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, m_depth_func(0)
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, m_depth_mask(0)
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, m_stencil_enable(false)
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, m_stencil_mask(1)
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, m_stencil_func(0)
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, m_stencil_ref(0)
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, m_stencil_sfail_op(GL_KEEP)
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, m_stencil_spass_dfail_op(GL_KEEP)
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, m_stencil_spass_dpass_op(GL_KEEP)
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{}
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void EnableDepth() { m_depth_enable = true; }
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void EnableStencil() { m_stencil_enable = true; }
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void SetDepth(GLenum func, GLboolean mask) { m_depth_func = func; m_depth_mask = mask; }
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void SetStencil(GLuint func, GLuint pass) { m_stencil_func = func; m_stencil_spass_dpass_op = pass; }
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void SetupDepth()
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{
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if (m_depth_enable) {
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glEnable(GL_DEPTH_TEST);
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glDepthFunc(m_depth_func);
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glDepthMask(m_depth_mask);
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} else
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glDisable(GL_DEPTH_TEST);
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}
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void SetupStencil(uint8 sref)
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{
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uint ref = sref;
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if (m_stencil_enable) {
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glEnable(GL_STENCIL_TEST);
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glStencilFunc(m_stencil_func, ref, m_stencil_mask);
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glStencilOp(m_stencil_sfail_op, m_stencil_spass_dfail_op, m_stencil_spass_dpass_op);
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} else
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glDisable(GL_STENCIL_TEST);
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}
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void debug() { debug_depth(); debug_stencil(); }
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void debug_depth()
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{
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if (!m_depth_enable) return;
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fprintf(stderr, "Depth %s. Mask %x\n", NameOfParam(m_depth_func), m_depth_mask);
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}
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void debug_stencil()
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{
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if (!m_stencil_enable) return;
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fprintf(stderr, "Stencil %s. Both pass op %s\n", NameOfParam(m_stencil_func), NameOfParam(m_stencil_spass_dpass_op));
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}
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bool IsMaskEnable() { return m_depth_mask; }
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};
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class GSDeviceOGL : public GSDevice
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{
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public:
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__aligned(struct, 32) VSConstantBuffer
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{
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GSVector4 VertexScale;
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GSVector4 VertexOffset;
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GSVector4 TextureScale;
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VSConstantBuffer()
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{
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VertexScale = GSVector4::zero();
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VertexOffset = GSVector4::zero();
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TextureScale = GSVector4::zero();
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}
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__forceinline bool Update(const VSConstantBuffer* cb)
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{
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GSVector4i* a = (GSVector4i*)this;
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GSVector4i* b = (GSVector4i*)cb;
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GSVector4i b0 = b[0];
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GSVector4i b1 = b[1];
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GSVector4i b2 = b[2];
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if(!((a[0] == b0) & (a[1] == b1) & (a[2] == b2)).alltrue())
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{
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a[0] = b0;
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a[1] = b1;
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a[2] = b2;
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return true;
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}
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return false;
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}
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};
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struct VSSelector
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{
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union
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{
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struct
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{
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uint32 bppz:2;
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uint32 tme:1;
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uint32 fst:1;
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uint32 logz:1;
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uint32 rtcopy:1;
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uint32 wildhack:2;
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};
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uint32 key;
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};
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operator uint32() {return key & 0x3f;}
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VSSelector() : key(0) {}
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};
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__aligned(struct, 32) PSConstantBuffer
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{
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GSVector4 FogColor_AREF;
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GSVector4 HalfTexel;
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GSVector4 WH;
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GSVector4 MinMax;
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GSVector4 MinF_TA;
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GSVector4i MskFix;
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GSVector4 TC_OffsetHack;
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PSConstantBuffer()
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{
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FogColor_AREF = GSVector4::zero();
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HalfTexel = GSVector4::zero();
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WH = GSVector4::zero();
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MinMax = GSVector4::zero();
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MinF_TA = GSVector4::zero();
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MskFix = GSVector4i::zero();
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}
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__forceinline bool Update(const PSConstantBuffer* cb)
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{
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GSVector4i* a = (GSVector4i*)this;
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GSVector4i* b = (GSVector4i*)cb;
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GSVector4i b0 = b[0];
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GSVector4i b1 = b[1];
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GSVector4i b2 = b[2];
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GSVector4i b3 = b[3];
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GSVector4i b4 = b[4];
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GSVector4i b5 = b[5];
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if(!((a[0] == b0) /*& (a[1] == b1)*/ & (a[2] == b2) & (a[3] == b3) & (a[4] == b4) & (a[5] == b5)).alltrue()) // if WH matches HalfTexel does too
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{
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a[0] = b0;
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a[1] = b1;
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a[2] = b2;
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a[3] = b3;
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a[4] = b4;
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a[5] = b5;
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return true;
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}
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return false;
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}
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};
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struct GSSelector
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{
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union
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{
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struct
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{
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uint32 iip:1;
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uint32 prim:2;
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};
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uint32 key;
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};
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operator uint32() {return key & 0x7;}
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GSSelector() : key(0) {}
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};
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struct PSSelector
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{
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union
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{
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struct
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{
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uint32 fst:1;
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uint32 wms:2;
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uint32 wmt:2;
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uint32 fmt:3;
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uint32 aem:1;
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uint32 tfx:3;
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uint32 tcc:1;
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uint32 atst:3;
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uint32 fog:1;
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uint32 clr1:1;
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uint32 fba:1;
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uint32 aout:1;
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uint32 rt:1;
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uint32 ltf:1;
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uint32 colclip:2;
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uint32 date:2;
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uint32 spritehack:1;
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uint32 tcoffsethack:1;
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uint32 point_sampler:1;
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};
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uint32 key;
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};
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operator uint32() {return key & 0xfffffff;}
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PSSelector() : key(0) {}
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};
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struct PSSamplerSelector
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{
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union
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{
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struct
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{
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uint32 tau:1;
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uint32 tav:1;
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uint32 ltf:1;
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};
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uint32 key;
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};
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operator uint32() {return key & 0x7;}
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PSSamplerSelector() : key(0) {}
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};
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struct OMDepthStencilSelector
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{
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union
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{
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struct
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{
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uint32 ztst:2;
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uint32 zwe:1;
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uint32 date:1;
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uint32 fba:1;
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uint32 alpha_stencil:1;
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};
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uint32 key;
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};
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operator uint32() {return key & 0x3f;}
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OMDepthStencilSelector() : key(0) {}
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};
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struct OMBlendSelector
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{
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union
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{
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struct
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{
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uint32 abe:1;
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uint32 a:2;
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uint32 b:2;
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uint32 c:2;
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uint32 d:2;
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uint32 wr:1;
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uint32 wg:1;
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uint32 wb:1;
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uint32 wa:1;
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uint32 negative:1;
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};
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struct
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{
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uint32 _pad:1;
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uint32 abcd:8;
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uint32 wrgba:4;
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};
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uint32 key;
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};
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operator uint32() {return key & 0x3fff;}
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OMBlendSelector() : key(0) {}
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bool IsCLR1() const
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{
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return (key & 0x19f) == 0x93; // abe == 1 && a == 1 && b == 2 && d == 1
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}
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};
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struct D3D9Blend {int bogus, op, src, dst;};
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static const D3D9Blend m_blendMapD3D9[3*3*3*3];
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private:
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uint32 m_msaa; // Level of Msaa
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bool m_free_window;
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GSWnd* m_window;
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GLuint m_pipeline; // pipeline to attach program shader
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GLuint m_fbo; // frame buffer container
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GLuint m_fbo_read; // frame buffer container only for reading
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GSVertexBufferStateOGL* m_vb; // vb_state for HW renderer
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GSVertexBufferStateOGL* m_vb_sr; // vb_state for StretchRect
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struct {
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GLuint ps[2]; // program object
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GSUniformBufferOGL* cb; // uniform buffer object
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GSBlendStateOGL* bs;
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} m_merge_obj;
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struct {
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GLuint ps[4]; // program object
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GSUniformBufferOGL* cb; // uniform buffer object
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} m_interlace;
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struct {
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GLuint vs; // program object
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GLuint ps[8]; // program object
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GLuint ln; // sampler object
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GLuint pt; // sampler object
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GLuint gs;
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GSDepthStencilOGL* dss;
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GSBlendStateOGL* bs;
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} m_convert;
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struct {
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GLuint ps;
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GSUniformBufferOGL *cb;
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} m_fxaa;
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struct {
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GSDepthStencilOGL* dss;
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GSBlendStateOGL* bs;
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} m_date;
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struct
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{
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GLuint ps;
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GSUniformBufferOGL *cb;
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} m_shadeboost;
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struct {
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GSVertexBufferStateOGL* vb;
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GLuint vs; // program
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GSUniformBufferOGL* cb; // uniform current buffer
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GLuint gs; // program
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// FIXME texture binding. Maybe not equivalent for the state but the best I could find.
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GSTextureOGL* ps_srv[3];
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// ID3D11ShaderResourceView* ps_srv[3];
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GLuint ps; // program
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GLuint ps_ss[3]; // sampler
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GSVector2i viewport;
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GSVector4i scissor;
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GSDepthStencilOGL* dss;
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uint8 sref;
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GSBlendStateOGL* bs;
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float bf;
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// FIXME texture attachment in the FBO
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// ID3D11RenderTargetView* rtv;
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// ID3D11DepthStencilView* dsv;
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GSTextureOGL* rtv;
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GSTextureOGL* dsv;
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GLuint fbo;
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GLenum draw;
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} m_state;
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bool m_srv_changed;
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bool m_ss_changed;
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hash_map<uint32, GLuint > m_vs;
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hash_map<uint32, GLuint > m_gs;
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hash_map<uint32, GLuint > m_ps;
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hash_map<uint32, GLuint > m_ps_ss;
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hash_map<uint32, GSDepthStencilOGL* > m_om_dss;
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hash_map<uint32, GSBlendStateOGL* > m_om_bs;
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GLuint m_palette_ss;
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GLuint m_rt_ss;
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GSUniformBufferOGL* m_vs_cb;
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GSUniformBufferOGL* m_ps_cb;
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VSConstantBuffer m_vs_cb_cache;
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PSConstantBuffer m_ps_cb_cache;
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protected:
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GSTexture* CreateSurface(int type, int w, int h, bool msaa, int format);
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GSTexture* FetchSurface(int type, int w, int h, bool msaa, int format);
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void DoMerge(GSTexture* st[2], GSVector4* sr, GSTexture* dt, GSVector4* dr, bool slbg, bool mmod, const GSVector4& c);
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void DoInterlace(GSTexture* st, GSTexture* dt, int shader, bool linear, float yoffset = 0);
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void DoShadeBoost(GSTexture* st, GSTexture* dt);
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public:
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GSDeviceOGL();
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virtual ~GSDeviceOGL();
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void CheckDebugLog();
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static void DebugOutputToFile(unsigned int source, unsigned int type, unsigned int id, unsigned int severity, const char* message);
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void DebugOutput();
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void DebugInput();
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void DebugBB();
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bool HasStencil() { return true; }
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bool HasDepth32() { return true; }
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bool Create(GSWnd* wnd);
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bool Reset(int w, int h);
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void Flip();
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void SetVSync(bool enable);
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void DrawPrimitive();
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void DrawIndexedPrimitive();
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void DrawIndexedPrimitive(int offset, int count);
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void BeforeDraw();
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void AfterDraw();
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void ClearRenderTarget(GSTexture* t, const GSVector4& c);
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void ClearRenderTarget(GSTexture* t, uint32 c);
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void ClearDepth(GSTexture* t, float c);
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void ClearStencil(GSTexture* t, uint8 c);
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GSTexture* CreateRenderTarget(int w, int h, bool msaa, int format = 0);
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GSTexture* CreateDepthStencil(int w, int h, bool msaa, int format = 0);
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GSTexture* CreateTexture(int w, int h, int format = 0);
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GSTexture* CreateOffscreen(int w, int h, int format = 0);
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GSTexture* CopyOffscreen(GSTexture* src, const GSVector4& sr, int w, int h, int format = 0);
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void CopyRect(GSTexture* st, GSTexture* dt, const GSVector4i& r);
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void StretchRect(GSTexture* st, const GSVector4& sr, GSTexture* dt, const GSVector4& dr, int shader = 0, bool linear = true);
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void StretchRect(GSTexture* st, const GSVector4& sr, GSTexture* dt, const GSVector4& dr, GLuint ps, bool linear = true);
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void StretchRect(GSTexture* st, const GSVector4& sr, GSTexture* dt, const GSVector4& dr, GLuint ps, GSBlendStateOGL* bs, bool linear = true);
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void SetupDATE(GSTexture* rt, GSTexture* ds, const GSVertexPT1* vertices, bool datm);
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GSTexture* Resolve(GSTexture* t);
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void CompileShaderFromSource(const std::string& glsl_file, const std::string& entry, GLenum type, GLuint* program, const std::string& macro_sel = "");
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void EndScene();
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void IASetPrimitiveTopology(GLenum topology);
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void IASetVertexBuffer(const void* vertices, size_t count);
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bool IAMapVertexBuffer(void** vertex, size_t stride, size_t count);
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void IAUnmapVertexBuffer();
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void IASetIndexBuffer(const void* index, size_t count);
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void IASetVertexState(GSVertexBufferStateOGL* vb = NULL);
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void SetUniformBuffer(GSUniformBufferOGL* cb);
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void VSSetShader(GLuint vs);
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void GSSetShader(GLuint gs);
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void PSSetShaderResources(GSTexture* sr0, GSTexture* sr1);
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void PSSetShaderResource(int i, GSTexture* sr);
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void PSSetSamplerState(GLuint ss0, GLuint ss1, GLuint ss2 = 0);
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void PSSetShader(GLuint ps);
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void OMSetFBO(GLuint fbo, GLenum buffer = GL_COLOR_ATTACHMENT0);
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void OMSetDepthStencilState(GSDepthStencilOGL* dss, uint8 sref);
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void OMSetBlendState(GSBlendStateOGL* bs, float bf);
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void OMSetRenderTargets(GSTexture* rt, GSTexture* ds, const GSVector4i* scissor = NULL);
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void CreateTextureFX();
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void SetupIA(const void* vertex, int vertex_count, const uint32* index, int index_count, int prim);
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void SetupVS(VSSelector sel, const VSConstantBuffer* cb);
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void SetupGS(GSSelector sel);
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void SetupPS(PSSelector sel, const PSConstantBuffer* cb, PSSamplerSelector ssel);
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void SetupOM(OMDepthStencilSelector dssel, OMBlendSelector bsel, uint8 afix);
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};
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