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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"
using namespace D3D;
// internal state for loading vertices
extern NativeVertexFormat *g_nativeVertexFmt;
namespace VertexManager
{
enum Collection
{
C_NOTHING,
C_TRIANGLES,
C_LINES,
C_POINTS,
};
static IndexGenerator indexGen;
static Collection collection;
static u8 *fakeVBuffer; // format undefined - NativeVertexFormat takes care of the declaration.
static u16 *fakeIBuffer; // These are just straightforward 16-bit indices.
#define MAXVBUFFERSIZE 65536*128
#define MAXIBUFFERSIZE 65536*4
const Collection collectionTypeLUT[8] =
{
C_TRIANGLES,//quads
C_NOTHING, //nothing
C_TRIANGLES,//triangles
C_TRIANGLES,//strip
C_TRIANGLES,//fan
C_LINES, //lines
C_LINES, //linestrip
C_POINTS //guess :P
};
void CreateDeviceObjects();
void DestroyDeviceObjects();
bool Init()
{
collection = C_NOTHING;
fakeVBuffer = new u8[MAXVBUFFERSIZE];
fakeIBuffer = new u16[MAXIBUFFERSIZE];
memset(fakeVBuffer, 0, MAXVBUFFERSIZE);
memset(fakeIBuffer, 0, MAXIBUFFERSIZE * 2);
CreateDeviceObjects();
VertexManager::s_pCurBufferPointer = fakeVBuffer;
return true;
}
void Shutdown()
{
DestroyDeviceObjects();
delete [] fakeVBuffer;
delete [] fakeIBuffer;
}
void CreateDeviceObjects()
{
}
void BeginFrame()
{
}
void DestroyDeviceObjects()
{
}
void AddIndices(int _primitive, int _numVertices)
{
switch (_primitive)
{
case GX_DRAW_QUADS: indexGen.AddQuads(_numVertices); return;
case GX_DRAW_TRIANGLES: indexGen.AddList(_numVertices); return;
case GX_DRAW_TRIANGLE_STRIP: indexGen.AddStrip(_numVertices); return;
case GX_DRAW_TRIANGLE_FAN: indexGen.AddFan(_numVertices); return;
case GX_DRAW_LINE_STRIP: indexGen.AddLineStrip(_numVertices); return;
case GX_DRAW_LINES: indexGen.AddLineList(_numVertices); return;
case GX_DRAW_POINTS: indexGen.AddPointList(_numVertices); return;
}
}
int GetRemainingSize()
{
return fakeVBuffer + MAXVBUFFERSIZE - VertexManager::s_pCurBufferPointer;
}
void AddVertices(int _primitive, int _numVertices)
{
if (_numVertices <= 0) //This check is pretty stupid...
return;
Collection type = collectionTypeLUT[_primitive];
if (type == C_NOTHING)
return;
DVSTARTPROFILE();
_assert_msg_(type != C_NOTHING, "type == C_NOTHING!!", "WTF");
ADDSTAT(stats.thisFrame.numPrims, _numVertices);
if (collection != type)
{
//We are NOT collecting the right type.
Flush();
collection = type;
u16 *ptr = 0;
if (type != C_POINTS)
{
ptr = fakeIBuffer;
indexGen.Start((unsigned short*)ptr);
AddIndices(_primitive, _numVertices);
}
if (_numVertices >= MAXVBUFFERSIZE)
MessageBox(NULL, "Too many vertices for the buffer", "Dolphin DX9 Video Plugin", MB_OK);
}
else // We are collecting the right type, keep going
{
_assert_msg_(vbufferwrite != 0, "collecting: vbufferwrite == 0!","WTF");
INCSTAT(stats.thisFrame.numPrimitiveJoins);
//Success, keep adding to unlocked buffer
int last = indexGen.GetNumVerts();
AddIndices(_primitive, _numVertices);
if (_numVertices >= MAXVBUFFERSIZE)
MessageBox(NULL, "Too many vertices for the buffer", "Dolphin DX9 Video Plugin", MB_OK);
}
}
const D3DPRIMITIVETYPE pts[3] =
{
D3DPT_POINTLIST, //DUMMY
D3DPT_TRIANGLELIST,
D3DPT_LINELIST,
};
void Flush()
{
DVSTARTPROFILE();
if (collection != C_NOTHING)
{
// setup the pointers
if (g_nativeVertexFmt)
g_nativeVertexFmt->SetupVertexPointers();
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) {
// texture loaded fine, set dims for pixel shader
if (tentry->isNonPow2)
{
PixelShaderManager::SetTexDims(i, tentry->w, tentry->h, tentry->mode.wrap_s, tentry->mode.wrap_t);
nonpow2tex |= 1 << i;
if (tentry->mode.wrap_s > 0) nonpow2tex |= 1 << (8 + i);
if (tentry->mode.wrap_t > 0) nonpow2tex |= 1 << (16 + i);
}
// if texture is power of two, set to ones (since don't need scaling)
// (the above seems to have changed - we set the width and height here too.
else
{
PixelShaderManager::SetTexDims(i, tentry->w, tentry->h, 0, 0);
}
}
else
ERROR_LOG(VIDEO, "error loading texture");
}
}
PixelShaderManager::SetTexturesUsed(nonpow2tex);
int numVertices = indexGen.GetNumVerts();
if (numVertices)
{
// set global constants
VertexShaderManager::SetConstants();
PixelShaderManager::SetConstants();
PixelShaderCache::SetShader(false);
VertexShaderCache::SetShader(g_nativeVertexFmt->m_components);
int stride = g_nativeVertexFmt->GetVertexStride();
g_nativeVertexFmt->SetupVertexPointers();
if (collection != C_POINTS)
{
int numPrimitives = indexGen.GetNumPrims();
if (FAILED(D3D::dev->DrawIndexedPrimitiveUP(
pts[(int)collection],
0, numVertices, numPrimitives,
fakeIBuffer,
D3DFMT_INDEX16,
fakeVBuffer,
stride))) {
#ifdef _DEBUG
std::string error_shaders;
error_shaders.append(VertexShaderCache::GetCurrentShaderCode());
error_shaders.append(PixelShaderCache::GetCurrentShaderCode());
File::WriteStringToFile(true, error_shaders, "bad_shader_combo.txt");
PanicAlert("DrawIndexedPrimitiveUP failed. Shaders written to shaders.txt.");
#endif
}
}
else
{
D3D::dev->SetIndices(0);
D3D::dev->DrawPrimitiveUP(D3DPT_POINTLIST, numVertices, fakeVBuffer, stride);
}
if (bpmem.dstalpha.enable && bpmem.blendmode.alphaupdate)
{
DWORD write = 0;
PixelShaderCache::SetShader(true);
// update alpha only
Renderer::SetRenderState(D3DRS_COLORWRITEENABLE, D3DCOLORWRITEENABLE_ALPHA);
Renderer::SetRenderState(D3DRS_ALPHABLENDENABLE, false);
g_nativeVertexFmt->SetupVertexPointers();
if (collection != C_POINTS)
{
int numPrimitives = indexGen.GetNumPrims();
if (FAILED(D3D::dev->DrawIndexedPrimitiveUP(
pts[(int)collection],
0, numVertices, numPrimitives,
fakeIBuffer,
D3DFMT_INDEX16,
fakeVBuffer,
stride))) {
#ifdef _DEBUG
std::string error_shaders;
error_shaders.append(VertexShaderCache::GetCurrentShaderCode());
error_shaders.append(PixelShaderCache::GetCurrentShaderCode());
File::WriteStringToFile(true, error_shaders, "bad_shader_combo.txt");
PanicAlert("DrawIndexedPrimitiveUP failed. Shaders written to shaders.txt.");
#endif
}
}
else
{
D3D::dev->SetIndices(0);
D3D::dev->DrawPrimitiveUP(D3DPT_POINTLIST, numVertices, fakeVBuffer, 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)
Renderer::SetRenderState(D3DRS_ALPHABLENDENABLE, true);
Renderer::SetRenderState(D3DRS_COLORWRITEENABLE, write);
INCSTAT(stats.thisFrame.numDrawCalls);
}
INCSTAT(stats.thisFrame.numDrawCalls);
}
collection = C_NOTHING;
VertexManager::s_pCurBufferPointer = fakeVBuffer;
}
}
} // namespace
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