mirror of
https://github.com/dolphin-emu/dolphin.git
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29808cdde2
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4322 8ced0084-cf51-0410-be5f-012b33b47a6e
373 lines
11 KiB
C++
373 lines
11 KiB
C++
// Copyright (C) 2003 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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#include "Globals.h"
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#include <fstream>
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#include <vector>
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#include "Fifo.h"
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#include "VideoConfig.h"
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#include "Statistics.h"
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#include "MemoryUtil.h"
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#include "Profiler.h"
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#include "Render.h"
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#include "ImageWrite.h"
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#include "BPMemory.h"
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#include "TextureMngr.h"
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#include "PixelShaderCache.h"
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#include "PixelShaderManager.h"
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#include "VertexShaderCache.h"
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#include "VertexShaderManager.h"
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#include "VertexShaderGen.h"
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#include "VertexLoader.h"
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#include "VertexManager.h"
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#include "IndexGenerator.h"
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#define MAX_BUFFER_SIZE 0x50000
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// internal state for loading vertices
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extern NativeVertexFormat *g_nativeVertexFmt;
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namespace VertexManager
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{
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static const GLenum c_RenderprimitiveType[8] =
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{
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GL_TRIANGLES,
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GL_ZERO, //nothing
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GL_TRIANGLES,
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GL_TRIANGLES,
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GL_TRIANGLES,
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GL_LINES,
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GL_LINES,
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GL_POINTS
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};
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static const GLenum c_primitiveType[8] =
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{
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GL_QUADS,
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GL_ZERO, //nothing
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GL_TRIANGLES,
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GL_TRIANGLE_STRIP,
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GL_TRIANGLE_FAN,
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GL_LINES,
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GL_LINE_STRIP,
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GL_POINTS
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};
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static IndexGenerator indexGen;
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static GLenum lastPrimitive;
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static GLenum CurrentRenderPrimitive;
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static u8 *LocalVBuffer;
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static u16 *IBuffer;
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#define MAXVBUFFERSIZE 0x50000
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#define MAXIBUFFERSIZE 0x20000
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#define MAXVBOBUFFERCOUNT 0x4
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static GLuint s_vboBuffers[MAXVBOBUFFERCOUNT] = {0};
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static GLuint s_IBuffers[MAXVBOBUFFERCOUNT] = {0};
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static int s_nCurVBOIndex = 0; // current free buffer
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bool Init()
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{
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lastPrimitive = GL_ZERO;
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CurrentRenderPrimitive = GL_ZERO;
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LocalVBuffer = new u8[MAXVBUFFERSIZE];
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IBuffer = new u16[MAXIBUFFERSIZE];
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s_pCurBufferPointer = LocalVBuffer;
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s_nCurVBOIndex = 0;
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glGenBuffers(ARRAYSIZE(s_vboBuffers), s_vboBuffers);
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for (u32 i = 0; i < ARRAYSIZE(s_vboBuffers); ++i) {
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glBindBuffer(GL_ARRAY_BUFFER, s_vboBuffers[i]);
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glBufferData(GL_ARRAY_BUFFER, MAXVBUFFERSIZE, NULL, GL_STREAM_DRAW);
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}
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glEnableClientState(GL_VERTEX_ARRAY);
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g_nativeVertexFmt = NULL;
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GL_REPORT_ERRORD();
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return true;
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}
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void Shutdown()
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{
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delete [] LocalVBuffer;
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delete [] IBuffer;
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glDeleteBuffers(ARRAYSIZE(s_vboBuffers), s_vboBuffers);
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s_nCurVBOIndex = 0;
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ResetBuffer();
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}
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void ResetBuffer()
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{
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s_nCurVBOIndex = (s_nCurVBOIndex + 1) % ARRAYSIZE(s_vboBuffers);
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s_pCurBufferPointer = LocalVBuffer;
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CurrentRenderPrimitive = GL_ZERO;
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u16 *ptr = 0;
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indexGen.Start((unsigned short*)ptr);
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}
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void AddIndices(int _primitive, int _numVertices)
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{
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switch (_primitive)
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{
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case GL_QUADS: indexGen.AddQuads(_numVertices); return;
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case GL_TRIANGLES: indexGen.AddList(_numVertices); return;
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case GL_TRIANGLE_STRIP: indexGen.AddStrip(_numVertices); return;
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case GL_TRIANGLE_FAN: indexGen.AddFan(_numVertices); return;
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case GL_LINE_STRIP: indexGen.AddLineStrip(_numVertices); return;
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case GL_LINES: indexGen.AddLineList(_numVertices); return;
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case GL_POINTS: indexGen.AddPoints(_numVertices); return;
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}
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}
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int GetRemainingSize()
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{
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return LocalVBuffer + MAXVBUFFERSIZE - s_pCurBufferPointer;
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}
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void AddVertices(int primitive, int numvertices)
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{
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if (numvertices <= 0)
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return;
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if (c_primitiveType[primitive] == GL_ZERO)
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return;
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DVSTARTPROFILE();
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lastPrimitive = c_primitiveType[primitive];
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ADDSTAT(stats.thisFrame.numPrims, numvertices);
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if (CurrentRenderPrimitive != c_RenderprimitiveType[primitive])
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{
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// We are NOT collecting the right type.
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Flush();
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CurrentRenderPrimitive = c_RenderprimitiveType[primitive];
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u16 *ptr = 0;
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if (lastPrimitive != GL_POINTS)
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{
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ptr = IBuffer;
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}
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indexGen.Start((unsigned short*)ptr);
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AddIndices(c_primitiveType[primitive], numvertices);
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}
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else // We are collecting the right type, keep going
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{
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INCSTAT(stats.thisFrame.numPrimitiveJoins);
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AddIndices(c_primitiveType[primitive], numvertices);
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}
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}
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inline void Draw(int numVertices, int indexLen)
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{
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if (CurrentRenderPrimitive != GL_POINT)
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{
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glDrawElements(CurrentRenderPrimitive, indexLen, GL_UNSIGNED_SHORT, IBuffer);
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INCSTAT(stats.thisFrame.numIndexedDrawCalls);
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}
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else
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{
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glDrawArrays(CurrentRenderPrimitive,0,numVertices);
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INCSTAT(stats.thisFrame.numDrawCalls);
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}
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}
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void Flush()
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{
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if (LocalVBuffer == s_pCurBufferPointer) return;
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int numVerts = indexGen.GetNumVerts();
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if(numVerts == 0) return;
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#if defined(_DEBUG) || defined(DEBUGFAST)
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PRIM_LOG("frame%d:\n texgen=%d, numchan=%d, dualtex=%d, ztex=%d, cole=%d, alpe=%d, ze=%d", g_ActiveConfig.iSaveTargetId, xfregs.numTexGens,
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xfregs.nNumChans, (int)xfregs.bEnableDualTexTransform, bpmem.ztex2.op,
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bpmem.blendmode.colorupdate, bpmem.blendmode.alphaupdate, bpmem.zmode.updateenable);
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for (int i = 0; i < xfregs.nNumChans; ++i)
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{
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LitChannel* ch = &xfregs.colChans[i].color;
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PRIM_LOG("colchan%d: matsrc=%d, light=0x%x, ambsrc=%d, diffunc=%d, attfunc=%d", i, ch->matsource, ch->GetFullLightMask(), ch->ambsource, ch->diffusefunc, ch->attnfunc);
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ch = &xfregs.colChans[i].alpha;
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PRIM_LOG("alpchan%d: matsrc=%d, light=0x%x, ambsrc=%d, diffunc=%d, attfunc=%d", i, ch->matsource, ch->GetFullLightMask(), ch->ambsource, ch->diffusefunc, ch->attnfunc);
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}
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for (int i = 0; i < xfregs.numTexGens; ++i)
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{
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TexMtxInfo tinfo = xfregs.texcoords[i].texmtxinfo;
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if (tinfo.texgentype != XF_TEXGEN_EMBOSS_MAP) tinfo.hex &= 0x7ff;
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if (tinfo.texgentype != XF_TEXGEN_REGULAR) tinfo.projection = 0;
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PRIM_LOG("txgen%d: proj=%d, input=%d, gentype=%d, srcrow=%d, embsrc=%d, emblght=%d, postmtx=%d, postnorm=%d",
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i, tinfo.projection, tinfo.inputform, tinfo.texgentype, tinfo.sourcerow, tinfo.embosssourceshift, tinfo.embosslightshift,
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xfregs.texcoords[i].postmtxinfo.index, xfregs.texcoords[i].postmtxinfo.normalize);
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}
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PRIM_LOG("pixel: tev=%d, ind=%d, texgen=%d, dstalpha=%d, alphafunc=0x%x", bpmem.genMode.numtevstages+1, bpmem.genMode.numindstages,
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bpmem.genMode.numtexgens, (u32)bpmem.dstalpha.enable, (bpmem.alphaFunc.hex>>16)&0xff);
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#endif
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DVSTARTPROFILE();
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GL_REPORT_ERRORD();
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glBindBuffer(GL_ARRAY_BUFFER, s_vboBuffers[s_nCurVBOIndex]);
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glBufferSubData(GL_ARRAY_BUFFER,0, s_pCurBufferPointer - LocalVBuffer, LocalVBuffer);
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GL_REPORT_ERRORD();
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// setup the pointers
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if (g_nativeVertexFmt)
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g_nativeVertexFmt->SetupVertexPointers();
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GL_REPORT_ERRORD();
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// set the textures
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DVSTARTSUBPROFILE("VertexManager::Flush:textures");
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u32 usedtextures = 0;
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for (u32 i = 0; i < (u32)bpmem.genMode.numtevstages + 1; ++i)
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if (bpmem.tevorders[i / 2].getEnable(i & 1))
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usedtextures |= 1 << bpmem.tevorders[i/2].getTexMap(i & 1);
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if (bpmem.genMode.numindstages > 0)
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for (u32 i = 0; i < (u32)bpmem.genMode.numtevstages + 1; ++i)
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if (bpmem.tevind[i].IsActive() && bpmem.tevind[i].bt < bpmem.genMode.numindstages)
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usedtextures |= 1 << bpmem.tevindref.getTexMap(bpmem.tevind[i].bt);
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u32 nonpow2tex = 0;
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for (int i = 0; i < 8; i++)
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{
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if (usedtextures & (1 << i))
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{
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glActiveTexture(GL_TEXTURE0 + i);
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FourTexUnits &tex = bpmem.tex[i >> 2];
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TextureMngr::TCacheEntry* tentry = TextureMngr::Load(i, (tex.texImage3[i&3].image_base/* & 0x1FFFFF*/) << 5,
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tex.texImage0[i&3].width + 1, tex.texImage0[i&3].height + 1,
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tex.texImage0[i&3].format, tex.texTlut[i&3].tmem_offset<<9, tex.texTlut[i&3].tlut_format);
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if (tentry)
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{
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// texture loaded fine, set dims for pixel shader
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if (tentry->isRectangle)
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{
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PixelShaderManager::SetTexDims(i, tentry->w, tentry->h, tentry->mode.wrap_s, tentry->mode.wrap_t);
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nonpow2tex |= 1 << i;
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if (tentry->mode.wrap_s > 0) nonpow2tex |= 1 << (8 + i);
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if (tentry->mode.wrap_t > 0) nonpow2tex |= 1 << (16 + i);
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}
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// if texture is power of two, set to ones (since don't need scaling)
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// (the above seems to have changed - we set the width and height here too.
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else
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{
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// 0s are probably for no manual wrapping needed.
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PixelShaderManager::SetTexDims(i, tentry->w, tentry->h, 0, 0);
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}
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// texture is hires - pass the scaling size
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if (tentry->scaleX != 1.0f || tentry->scaleY != 1.0f)
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PixelShaderManager::SetCustomTexScale(i, tentry->scaleX, tentry->scaleY);
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if (g_ActiveConfig.iLog & CONF_SAVETEXTURES)
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{
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// save the textures
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char strfile[255];
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sprintf(strfile, "%sframes/tex%.3d_%d.tga", FULL_DUMP_DIR, g_Config.iSaveTargetId, i);
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SaveTexture(strfile, tentry->isRectangle?GL_TEXTURE_RECTANGLE_ARB:GL_TEXTURE_2D, tentry->texture, tentry->w, tentry->h);
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}
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}
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else
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ERROR_LOG(VIDEO, "error loading tex\n");
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}
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}
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PixelShaderManager::SetTexturesUsed(nonpow2tex);
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FRAGMENTSHADER* ps = PixelShaderCache::GetShader(false);
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VERTEXSHADER* vs = VertexShaderCache::GetShader(g_nativeVertexFmt->m_components);
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// set global constants
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VertexShaderManager::SetConstants();
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PixelShaderManager::SetConstants();
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// finally bind
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int groupStart = 0;
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if (vs) VertexShaderCache::SetCurrentShader(vs->glprogid);
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if (ps) PixelShaderCache::SetCurrentShader(ps->glprogid); // Lego Star Wars crashes here.
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#if defined(_DEBUG) || defined(DEBUGFAST)
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PRIM_LOG("");
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#endif
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int numIndexes = indexGen.GetindexLen();
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Draw(numVerts,numIndexes);
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// run through vertex groups again to set alpha
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if (!g_ActiveConfig.bDstAlphaPass && bpmem.dstalpha.enable && bpmem.blendmode.alphaupdate)
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{
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ps = PixelShaderCache::GetShader(true);
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if (ps)PixelShaderCache::SetCurrentShader(ps->glprogid);
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// only update alpha
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glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_TRUE);
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glDisable(GL_BLEND);
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Draw(numVerts,numIndexes);
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// restore color mask
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Renderer::SetColorMask();
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if (bpmem.blendmode.blendenable || bpmem.blendmode.subtract)
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glEnable(GL_BLEND);
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}
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#if defined(_DEBUG) || defined(DEBUGFAST)
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if (g_ActiveConfig.iLog & CONF_SAVESHADERS)
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{
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// save the shaders
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char strfile[255];
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sprintf(strfile, "%sframes/ps%.3d.txt", FULL_DUMP_DIR, g_ActiveConfig.iSaveTargetId);
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std::ofstream fps(strfile);
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fps << ps->strprog.c_str();
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sprintf(strfile, "%sframes/vs%.3d.txt", FULL_DUMP_DIR, g_ActiveConfig.iSaveTargetId);
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std::ofstream fvs(strfile);
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fvs << vs->strprog.c_str();
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}
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if (g_ActiveConfig.iLog & CONF_SAVETARGETS)
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{
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char str[128];
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sprintf(str, "%sframes/targ%.3d.tga", FULL_DUMP_DIR, g_ActiveConfig.iSaveTargetId);
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Renderer::SaveRenderTarget(str, Renderer::GetTargetWidth(), Renderer::GetTargetHeight());
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}
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#endif
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g_Config.iSaveTargetId++;
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GL_REPORT_ERRORD();
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ResetBuffer();
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}
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} // namespace
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