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dolphin/Source/Plugins/Plugin_VideoDX9/Src/VertexManager.cpp

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// Copyright (C) 2003 Dolphin Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#include "Common.h"
#include "FileUtil.h"
#include "D3DBase.h"
#include "Statistics.h"
#include "Profiler.h"
#include "VertexManager.h"
#include "OpcodeDecoding.h"
#include "IndexGenerator.h"
#include "VertexShaderManager.h"
#include "VertexShaderCache.h"
#include "PixelShaderManager.h"
#include "PixelShaderCache.h"
#include "Utils.h"
#include "NativeVertexFormat.h"
#include "NativeVertexWriter.h"
#include "TextureCache.h"
#include "BPStructs.h"
#include "XFStructs.h"
#include "debugger/debugger.h"
using namespace D3D;
// internal state for loading vertices
extern NativeVertexFormat *g_nativeVertexFmt;
namespace VertexManager
{
static int lastPrimitive;
static u8 *LocalVBuffer;
static u16 *TIBuffer;
static u16 *LIBuffer;
static u16 *PIBuffer;
#define MAXVBUFFERSIZE 0x50000
#define MAXIBUFFERSIZE 0xFFFF
static bool Flushed=false;
void CreateDeviceObjects();
void DestroyDeviceObjects();
bool Init()
{
LocalVBuffer = new u8[MAXVBUFFERSIZE];
TIBuffer = new u16[MAXIBUFFERSIZE];
LIBuffer = new u16[MAXIBUFFERSIZE];
PIBuffer = new u16[MAXIBUFFERSIZE];
s_pCurBufferPointer = LocalVBuffer;
Flushed=false;
IndexGenerator::Start(TIBuffer,LIBuffer,PIBuffer);
return true;
}
void ResetBuffer()
{
s_pCurBufferPointer = LocalVBuffer;
}
void Shutdown()
{
DestroyDeviceObjects();
delete [] LocalVBuffer;
delete [] TIBuffer;
delete [] LIBuffer;
delete [] PIBuffer;
ResetBuffer();
}
void CreateDeviceObjects()
{
}
void DestroyDeviceObjects()
{
}
void AddIndices(int _primitive, int _numVertices)
{
switch (_primitive)
{
case GX_DRAW_QUADS: IndexGenerator::AddQuads(_numVertices); return;
case GX_DRAW_TRIANGLES: IndexGenerator::AddList(_numVertices); return;
case GX_DRAW_TRIANGLE_STRIP: IndexGenerator::AddStrip(_numVertices); return;
case GX_DRAW_TRIANGLE_FAN: IndexGenerator::AddFan(_numVertices); return;
case GX_DRAW_LINE_STRIP: IndexGenerator::AddLineStrip(_numVertices); return;
case GX_DRAW_LINES: IndexGenerator::AddLineList(_numVertices); return;
case GX_DRAW_POINTS: IndexGenerator::AddPoints(_numVertices); return;
}
}
int GetRemainingSize()
{
return MAXVBUFFERSIZE - (int)(s_pCurBufferPointer - LocalVBuffer);
}
void AddVertices(int _primitive, int _numVertices)
{
if (_numVertices < 0)
return;
switch (_primitive)
{
case GX_DRAW_QUADS:
case GX_DRAW_TRIANGLES:
case GX_DRAW_TRIANGLE_STRIP:
case GX_DRAW_TRIANGLE_FAN:
if(MAXIBUFFERSIZE - IndexGenerator::GetTriangleindexLen() < 2 * _numVertices)
Flush();
break;
case GX_DRAW_LINE_STRIP:
case GX_DRAW_LINES:
if(MAXIBUFFERSIZE - IndexGenerator::GetLineindexLen() < 2 * _numVertices)
Flush();
break;
case GX_DRAW_POINTS:
if(MAXIBUFFERSIZE - IndexGenerator::GetPointindexLen() < _numVertices)
Flush();
break;
default: return;
}
if(Flushed)
{
IndexGenerator::Start(TIBuffer,LIBuffer,PIBuffer);
Flushed=false;
}
lastPrimitive = _primitive;
ADDSTAT(stats.thisFrame.numPrims, _numVertices);
INCSTAT(stats.thisFrame.numPrimitiveJoins);
AddIndices(_primitive, _numVertices);
}
inline void DumpBadShaders()
{
#if defined(_DEBUG) || defined(DEBUGFAST)
std::string error_shaders;
error_shaders.append(VertexShaderCache::GetCurrentShaderCode());
error_shaders.append(PixelShaderCache::GetCurrentShaderCode());
char filename[512] = "bad_shader_combo_0.txt";
int which = 0;
while (File::Exists(filename))
{
which++;
sprintf(filename, "bad_shader_combo_%i.txt", which);
}
File::WriteStringToFile(true, error_shaders, filename);
PanicAlert("DrawIndexedPrimitiveUP failed. Shaders written to %s", filename);
#endif
}
inline void Draw(int stride)
{
if(IndexGenerator::GetNumTriangles() > 0)
{
if (FAILED(D3D::dev->DrawIndexedPrimitiveUP(
D3DPT_TRIANGLELIST,
0, IndexGenerator::GetNumVerts(), IndexGenerator::GetNumTriangles(),
TIBuffer,
D3DFMT_INDEX16,
LocalVBuffer,
stride)))
{
DumpBadShaders();
}
INCSTAT(stats.thisFrame.numIndexedDrawCalls);
}
if(IndexGenerator::GetNumLines() > 0)
{
if (FAILED(D3D::dev->DrawIndexedPrimitiveUP(
D3DPT_LINELIST,
0, IndexGenerator::GetNumVerts(), IndexGenerator::GetNumLines(),
LIBuffer,
D3DFMT_INDEX16,
LocalVBuffer,
stride)))
{
DumpBadShaders();
}
INCSTAT(stats.thisFrame.numIndexedDrawCalls);
}
if(IndexGenerator::GetNumPoints() > 0)
{
if (FAILED(D3D::dev->DrawIndexedPrimitiveUP(
D3DPT_POINTLIST,
0, IndexGenerator::GetNumVerts(), IndexGenerator::GetNumPoints(),
PIBuffer,
D3DFMT_INDEX16,
LocalVBuffer,
stride)))
{
DumpBadShaders();
}
INCSTAT(stats.thisFrame.numIndexedDrawCalls);
}
}
void Flush()
{
if (LocalVBuffer == s_pCurBufferPointer) return;
if(Flushed) return;
Flushed=true;
DVSTARTPROFILE();
u32 usedtextures = 0;
for (u32 i = 0; i < (u32)bpmem.genMode.numtevstages + 1; ++i) {
if (bpmem.tevorders[i/2].getEnable(i & 1))
usedtextures |= 1 << bpmem.tevorders[i/2].getTexMap(i & 1);
}
if (bpmem.genMode.numindstages > 0) {
for (u32 i = 0; i < (u32)bpmem.genMode.numtevstages + 1; ++i) {
if (bpmem.tevind[i].IsActive() && bpmem.tevind[i].bt < bpmem.genMode.numindstages) {
usedtextures |= 1 << bpmem.tevindref.getTexMap(bpmem.tevind[i].bt);
}
}
}
u32 nonpow2tex = 0;
for (int i = 0; i < 8; i++)
{
if (usedtextures & (1 << i)) {
FourTexUnits &tex = bpmem.tex[i >> 2];
TextureCache::TCacheEntry* tentry = TextureCache::Load(i,
(tex.texImage3[i&3].image_base/* & 0x1FFFFF*/) << 5,
tex.texImage0[i&3].width+1, tex.texImage0[i&3].height+1,
tex.texImage0[i&3].format, tex.texTlut[i&3].tmem_offset<<9,
tex.texTlut[i&3].tlut_format);
if (tentry) {
PixelShaderManager::SetTexDims(i, tentry->w, tentry->h, 0, 0);
if (tentry->scaleX != 1.0f || tentry->scaleY != 1.0f)
PixelShaderManager::SetCustomTexScale(i, tentry->scaleX, tentry->scaleY);
}
else
{
DEBUGGER_PAUSE_LOG_AT(NEXT_ERROR,true,{printf("Fail to load texture\n");});
ERROR_LOG(VIDEO, "error loading texture");
}
}
}
PixelShaderManager::SetTexturesUsed(0);
// set global constants
VertexShaderManager::SetConstants();
PixelShaderManager::SetConstants();
if (!PixelShaderCache::SetShader(false))
{
DEBUGGER_PAUSE_LOG_AT(NEXT_ERROR,true,{printf("Fail to set pixel shader\n");});
goto shader_fail;
}
if (!VertexShaderCache::SetShader(g_nativeVertexFmt->m_components))
{
DEBUGGER_PAUSE_LOG_AT(NEXT_ERROR,true,{printf("Fail to set vertex shader\n");});
goto shader_fail;
}
int stride = g_nativeVertexFmt->GetVertexStride();
g_nativeVertexFmt->SetupVertexPointers();
Draw(stride);
if (bpmem.dstalpha.enable && bpmem.blendmode.alphaupdate)
{
DWORD write = 0;
if (!PixelShaderCache::SetShader(true))
{
DEBUGGER_PAUSE_LOG_AT(NEXT_ERROR,true,{printf("Fail to set pixel shader\n");});
goto shader_fail;
}
// update alpha only
D3D::SetRenderState(D3DRS_COLORWRITEENABLE, D3DCOLORWRITEENABLE_ALPHA);
D3D::SetRenderState(D3DRS_ALPHABLENDENABLE, false);
Draw(stride);
if (bpmem.blendmode.alphaupdate)
write = D3DCOLORWRITEENABLE_ALPHA;
if (bpmem.blendmode.colorupdate)
write |= D3DCOLORWRITEENABLE_RED | D3DCOLORWRITEENABLE_GREEN | D3DCOLORWRITEENABLE_BLUE;
if (bpmem.blendmode.blendenable || bpmem.blendmode.subtract)
D3D::SetRenderState(D3DRS_ALPHABLENDENABLE, true);
D3D::SetRenderState(D3DRS_COLORWRITEENABLE, write);
}
DEBUGGER_PAUSE_AT(NEXT_FLUSH,true);
shader_fail:
ResetBuffer();
}
} // namespace
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