147 lines
4.1 KiB
C++
147 lines
4.1 KiB
C++
// Copyright (C) 2003-2008 Dolphin Project.
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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, version 2.0.
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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 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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#ifndef _PIXELSHADERMANAGER_H
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#define _PIXELSHADERMANAGER_H
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#include <map>
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#include <string>
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#include "BPMemory.h"
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struct FRAGMENTSHADER
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{
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FRAGMENTSHADER() : glprogid(0) { }
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GLuint glprogid; // opengl program id
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#if defined(_DEBUG) || defined(DEBUGFAST)
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std::string strprog;
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#endif
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};
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class PIXELSHADERUID
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{
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public:
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u32 values[4+32+6+11];
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u16 tevstages, indstages;
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PIXELSHADERUID() {
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memset(values, 0, (4+32+6+11) * 4);
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tevstages = indstages = 0;
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}
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PIXELSHADERUID(const PIXELSHADERUID& r)
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{
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tevstages = r.tevstages;
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indstages = r.indstages;
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int N = tevstages + indstages + 3;
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_assert_(N <= 4+32+6+11);
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for (int i = 0; i < N; ++i)
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values[i] = r.values[i];
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}
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int GetNumValues() const {
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return tevstages + indstages + 3; // numTevStages*3/2+1
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}
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bool operator <(const PIXELSHADERUID& _Right) const
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{
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if (values[0] < _Right.values[0])
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return true;
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else if (values[0] > _Right.values[0])
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return false;
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int N = GetNumValues();
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for (int i = 1; i < N; ++i) {
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if (values[i] < _Right.values[i])
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return true;
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else if (values[i] > _Right.values[i])
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return false;
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}
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return false;
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}
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bool operator ==(const PIXELSHADERUID& _Right) const
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{
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if (values[0] != _Right.values[0])
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return false;
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int N = GetNumValues();
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for (int i = 1; i < N; ++i) {
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if (values[i] != _Right.values[i])
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return false;
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}
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return true;
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}
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};
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class PixelShaderMngr
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{
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struct PSCacheEntry
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{
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FRAGMENTSHADER shader;
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int frameCount;
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PSCacheEntry() : frameCount(0) {}
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~PSCacheEntry() {}
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void Destroy() {
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// printf("Destroying ps %i\n", shader.glprogid);
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glDeleteProgramsARB(1, &shader.glprogid);
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shader.glprogid = 0;
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}
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};
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typedef std::map<PIXELSHADERUID, PSCacheEntry> PSCache;
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static FRAGMENTSHADER* pShaderLast; // last used shader
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static PSCache pshaders;
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static void GetPixelShaderId(PIXELSHADERUID&);
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static PIXELSHADERUID s_curuid; // the current pixel shader uid (progressively changed as memory is written)
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static void SetPSConstant4f(int const_number, float f1, float f2, float f3, float f4);
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static void SetPSConstant4fv(int const_number, const float *f);
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static void SetPSTextureDims(int texid);
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public:
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static void Init();
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static void Cleanup();
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static void Shutdown();
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static FRAGMENTSHADER* GetShader();
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static bool CompilePixelShader(FRAGMENTSHADER& ps, const char* pstrprogram);
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static void SetConstants(); // sets pixel shader constants
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// constant management, should be called after memory is committed
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static void SetColorChanged(int type, int index);
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static void SetAlpha(const AlphaFunc& alpha);
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static void SetDestAlpha(const ConstantAlpha& alpha);
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static void SetTexDims(int texmapid, u32 width, u32 height, u32 wraps, u32 wrapt);
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static void SetZTextureBias(u32 bias);
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static void SetIndTexScaleChanged();
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static void SetIndMatrixChanged(int matrixidx);
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static void SetGenModeChanged();
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static void SetTevCombinerChanged(int id);
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static void SetTevKSelChanged(int id);
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static void SetTevOrderChanged(int id);
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static void SetTevIndirectChanged(int id);
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static void SetZTextureOpChanged();
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static void SetTexturesUsed(u32 nonpow2tex);
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static void SetTexDimsChanged(int texmapid);
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static void SetColorMatrix(const float* pmatrix, const float* pfConstAdd);
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static GLuint GetColorMatrixProgram();
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};
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#endif
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