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dolphin/Source/Plugins/Plugin_VideoOGL/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 "Globals.h"
#include <fstream>
#include <vector>
#include "Fifo.h"
#include "VideoConfig.h"
#include "Statistics.h"
#include "MemoryUtil.h"
#include "Render.h"
#include "ImageWrite.h"
#include "BPMemory.h"
#include "TextureCache.h"
#include "PixelShaderCache.h"
#include "PixelShaderManager.h"
#include "VertexShaderCache.h"
#include "VertexShaderManager.h"
#include "ProgramShaderCache.h"
#include "VertexShaderGen.h"
#include "VertexLoader.h"
#include "VertexManager.h"
#include "IndexGenerator.h"
#include "OpcodeDecoding.h"
#include "FileUtil.h"
#include "Debugger.h"
#include "main.h"
// internal state for loading vertices
extern NativeVertexFormat *g_nativeVertexFmt;
namespace OGL
{
//This are the initially requeted size for the buffers expresed in bytes
const u32 MAX_IBUFFER_SIZE = VertexManager::MAXIBUFFERSIZE * 16 * sizeof(u16);
const u32 MAX_VBUFFER_SIZE = VertexManager::MAXVBUFFERSIZE * 16;
const u32 MIN_IBUFFER_SIZE = VertexManager::MAXIBUFFERSIZE * 1 * sizeof(u16);
const u32 MIN_VBUFFER_SIZE = VertexManager::MAXVBUFFERSIZE * 1;
VertexManager::VertexManager()
{
CreateDeviceObjects();
}
VertexManager::~VertexManager()
{
DestroyDeviceObjects();
}
void VertexManager::CreateDeviceObjects()
{
GL_REPORT_ERRORD();
u32 max_Index_size = 0;
u32 max_Vertex_size = 0;
glGetIntegerv(GL_MAX_ELEMENTS_INDICES, (GLint*)&max_Index_size);
glGetIntegerv(GL_MAX_ELEMENTS_VERTICES, (GLint*)&max_Vertex_size);
max_Index_size *= sizeof(u16);
GL_REPORT_ERROR();
m_index_buffer_size = std::min(MAX_IBUFFER_SIZE, std::max(max_Index_size, MIN_IBUFFER_SIZE));
m_vertex_buffer_size = std::min(MAX_VBUFFER_SIZE, std::max(max_Vertex_size, MIN_VBUFFER_SIZE));
// should be not bigger, but we need it. so try and have luck
if (m_index_buffer_size > max_Index_size) {
ERROR_LOG(VIDEO, "GL_MAX_ELEMENTS_INDICES to small, so try it anyway. good luck\n");
}
if (m_vertex_buffer_size > max_Vertex_size) {
ERROR_LOG(VIDEO, "GL_MAX_ELEMENTS_VERTICES to small, so try it anyway. good luck\n");
}
glGenBuffers(1, &m_vertex_buffers);
GL_REPORT_ERROR();
glGenBuffers(1, &m_index_buffers);
GL_REPORT_ERROR();
glBindBuffer(GL_ARRAY_BUFFER, m_vertex_buffers );
GL_REPORT_ERROR();
glBufferData(GL_ARRAY_BUFFER, m_vertex_buffer_size, NULL, GL_STREAM_DRAW );
GL_REPORT_ERROR();
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_index_buffers );
GL_REPORT_ERROR();
glBufferData(GL_ELEMENT_ARRAY_BUFFER, m_index_buffer_size, NULL, GL_STREAM_DRAW );
GL_REPORT_ERROR();
m_index_buffer_cursor = 0;
m_vertex_buffer_cursor = 0;
m_CurrentVertexFmt = NULL;
m_last_vao = 0;
}
void VertexManager::DestroyDeviceObjects()
{
GL_REPORT_ERRORD();
glBindBuffer(GL_ARRAY_BUFFER, 0 );
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0 );
GL_REPORT_ERROR();
glDeleteBuffers(1, &m_vertex_buffers);
GL_REPORT_ERROR();
glDeleteBuffers(1, &m_index_buffers);
GL_REPORT_ERROR();
}
void VertexManager::PrepareDrawBuffers(u32 stride)
{
u8* pVertices = NULL;
u16* pIndices = NULL;
int vertex_data_size = IndexGenerator::GetNumVerts() * stride;
int triangle_index_size = IndexGenerator::GetTriangleindexLen();
int line_index_size = IndexGenerator::GetLineindexLen();
int point_index_size = IndexGenerator::GetPointindexLen();
int index_data_size = (triangle_index_size + line_index_size + point_index_size) * sizeof(u16);
m_vertex_buffer_cursor--;
m_vertex_buffer_cursor = m_vertex_buffer_cursor - (m_vertex_buffer_cursor % stride) + stride;
if (m_vertex_buffer_cursor >= m_vertex_buffer_size - vertex_data_size || m_index_buffer_cursor >= m_index_buffer_size - index_data_size)
{
m_vertex_buffer_cursor = 0;
m_index_buffer_cursor = 0;
glBufferData(GL_ARRAY_BUFFER, m_vertex_buffer_size, NULL, GL_STREAM_DRAW);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, m_index_buffer_size, NULL, GL_STREAM_DRAW);
}
pVertices = (u8*)glMapBufferRange(GL_ARRAY_BUFFER, m_vertex_buffer_cursor, vertex_data_size, GL_MAP_WRITE_BIT | GL_MAP_UNSYNCHRONIZED_BIT);
if(pVertices)
{
memcpy(pVertices, LocalVBuffer, vertex_data_size);
glUnmapBuffer(GL_ARRAY_BUFFER);
}
else // could that happen? out-of-memory?
{
glBufferSubData(GL_ARRAY_BUFFER, m_vertex_buffer_cursor, vertex_data_size, LocalVBuffer);
}
pIndices = (u16*)glMapBufferRange(GL_ELEMENT_ARRAY_BUFFER, m_index_buffer_cursor , index_data_size, GL_MAP_WRITE_BIT | GL_MAP_UNSYNCHRONIZED_BIT);
if(pIndices)
{
if(triangle_index_size)
{
memcpy(pIndices, TIBuffer, triangle_index_size * sizeof(u16));
pIndices += triangle_index_size;
}
if(line_index_size)
{
memcpy(pIndices, LIBuffer, line_index_size * sizeof(u16));
pIndices += line_index_size;
}
if(point_index_size)
{
memcpy(pIndices, PIBuffer, point_index_size * sizeof(u16));
}
glUnmapBuffer(GL_ELEMENT_ARRAY_BUFFER);
}
else // could that happen? out-of-memory?
{
if(triangle_index_size)
{
triangle_index_size *= sizeof(u16);
glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, m_index_buffer_cursor, triangle_index_size, TIBuffer);
}
if(line_index_size)
{
line_index_size *= sizeof(u16);
glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, m_index_buffer_cursor + triangle_index_size, line_index_size, LIBuffer);
}
if(point_index_size)
{
point_index_size *= sizeof(u16);
glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, m_index_buffer_cursor + triangle_index_size + line_index_size, point_index_size, PIBuffer);
}
}
}
void VertexManager::Draw(u32 stride)
{
int triangle_index_size = IndexGenerator::GetTriangleindexLen();
int line_index_size = IndexGenerator::GetLineindexLen();
int point_index_size = IndexGenerator::GetPointindexLen();
int StartIndex = m_index_buffer_cursor;
int basevertex = m_vertex_buffer_cursor / stride;
if (triangle_index_size > 0)
{
glDrawElementsBaseVertex(GL_TRIANGLES, triangle_index_size, GL_UNSIGNED_SHORT, (u8*)NULL+StartIndex, basevertex);
StartIndex += triangle_index_size * sizeof(u16);
INCSTAT(stats.thisFrame.numIndexedDrawCalls);
}
if (line_index_size > 0)
{
glDrawElementsBaseVertex(GL_LINES, line_index_size, GL_UNSIGNED_SHORT, (u8*)NULL+StartIndex, basevertex);
StartIndex += line_index_size * sizeof(u16);
INCSTAT(stats.thisFrame.numIndexedDrawCalls);
}
if (point_index_size > 0)
{
glDrawElementsBaseVertex(GL_POINTS, point_index_size, GL_UNSIGNED_SHORT, (u8*)NULL+StartIndex, basevertex);
INCSTAT(stats.thisFrame.numIndexedDrawCalls);
}
}
void VertexManager::vFlush()
{
VideoFifo_CheckEFBAccess();
#if defined(_DEBUG) || defined(DEBUGFAST)
PRIM_LOG("frame%d:\n texgen=%d, numchan=%d, dualtex=%d, ztex=%d, cole=%d, alpe=%d, ze=%d", g_ActiveConfig.iSaveTargetId, xfregs.numTexGen.numTexGens,
xfregs.numChan.numColorChans, xfregs.dualTexTrans.enabled, bpmem.ztex2.op,
bpmem.blendmode.colorupdate, bpmem.blendmode.alphaupdate, bpmem.zmode.updateenable);
for (unsigned int i = 0; i < xfregs.numChan.numColorChans; ++i)
{
LitChannel* ch = &xfregs.color[i];
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);
ch = &xfregs.alpha[i];
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);
}
for (unsigned int i = 0; i < xfregs.numTexGen.numTexGens; ++i)
{
TexMtxInfo tinfo = xfregs.texMtxInfo[i];
if (tinfo.texgentype != XF_TEXGEN_EMBOSS_MAP) tinfo.hex &= 0x7ff;
if (tinfo.texgentype != XF_TEXGEN_REGULAR) tinfo.projection = 0;
PRIM_LOG("txgen%d: proj=%d, input=%d, gentype=%d, srcrow=%d, embsrc=%d, emblght=%d, postmtx=%d, postnorm=%d",
i, tinfo.projection, tinfo.inputform, tinfo.texgentype, tinfo.sourcerow, tinfo.embosssourceshift, tinfo.embosslightshift,
xfregs.postMtxInfo[i].index, xfregs.postMtxInfo[i].normalize);
}
PRIM_LOG("pixel: tev=%d, ind=%d, texgen=%d, dstalpha=%d, alphatest=0x%x", bpmem.genMode.numtevstages+1, bpmem.genMode.numindstages,
bpmem.genMode.numtexgens, (u32)bpmem.dstalpha.enable, (bpmem.alpha_test.hex>>16)&0xff);
#endif
(void)GL_REPORT_ERROR();
GLVertexFormat *nativeVertexFmt = (GLVertexFormat*)g_nativeVertexFmt;
u32 stride = nativeVertexFmt->GetVertexStride();
if(m_last_vao != nativeVertexFmt->VAO) {
glBindVertexArray(nativeVertexFmt->VAO);
m_last_vao = nativeVertexFmt->VAO;
}
PrepareDrawBuffers(stride);
GL_REPORT_ERRORD();
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);
for (u32 i = 0; i < 8; i++)
{
if (usedtextures & (1 << i))
{
FourTexUnits &tex = bpmem.tex[i >> 2];
TextureCache::TCacheEntryBase* 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,
(tex.texMode0[i&3].min_filter & 3) && (tex.texMode0[i&3].min_filter != 8),
tex.texMode1[i&3].max_lod >> 4,
tex.texImage1[i&3].image_type);
if (tentry)
{
// 0s are probably for no manual wrapping needed.
PixelShaderManager::SetTexDims(i, tentry->native_width, tentry->native_height, 0, 0);
}
else
ERROR_LOG(VIDEO, "error loading texture");
}
}
bool useDstAlpha = !g_ActiveConfig.bDstAlphaPass && bpmem.dstalpha.enable && bpmem.blendmode.alphaupdate
&& bpmem.zcontrol.pixel_format == PIXELFMT_RGBA6_Z24;
// Makes sure we can actually do Dual source blending
bool dualSourcePossible = g_ActiveConfig.backend_info.bSupportsDualSourceBlend;
// finally bind
FRAGMENTSHADER* ps;
if (dualSourcePossible)
{
if (useDstAlpha)
{
// If host supports GL_ARB_blend_func_extended, we can do dst alpha in
// the same pass as regular rendering.
ps = PixelShaderCache::SetShader(DSTALPHA_DUAL_SOURCE_BLEND, g_nativeVertexFmt->m_components);
}
else
{
ps = PixelShaderCache::SetShader(DSTALPHA_NONE,g_nativeVertexFmt->m_components);
}
}
else
{
ps = PixelShaderCache::SetShader(DSTALPHA_NONE,g_nativeVertexFmt->m_components);
}
VERTEXSHADER* vs = VertexShaderCache::SetShader(g_nativeVertexFmt->m_components);
if(ps && vs)
ProgramShaderCache::SetBothShaders(ps->glprogid, vs->glprogid);
// set global constants
VertexShaderManager::SetConstants();
PixelShaderManager::SetConstants();
ProgramShaderCache::UploadConstants();
// setup the pointers
if (g_nativeVertexFmt)
g_nativeVertexFmt->SetupVertexPointers();
GL_REPORT_ERRORD();
Draw(stride);
// run through vertex groups again to set alpha
if (useDstAlpha && !dualSourcePossible)
{
ps = PixelShaderCache::SetShader(DSTALPHA_ALPHA_PASS,g_nativeVertexFmt->m_components);
if(ps && vs)
ProgramShaderCache::SetBothShaders(ps->glprogid, vs->glprogid);
if (!g_ActiveConfig.backend_info.bSupportsGLSLUBO)
{
// Need to set these again, if we don't support UBO
VertexShaderManager::SetConstants();
PixelShaderManager::SetConstants();
}
// only update alpha
glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_TRUE);
glDisable(GL_BLEND);
Draw(stride);
// restore color mask
g_renderer->SetColorMask();
if (bpmem.blendmode.blendenable || bpmem.blendmode.subtract)
glEnable(GL_BLEND);
}
GFX_DEBUGGER_PAUSE_AT(NEXT_FLUSH, true);
m_index_buffer_cursor += (IndexGenerator::GetTriangleindexLen() + IndexGenerator::GetLineindexLen() + IndexGenerator::GetPointindexLen()) * sizeof(u16);
m_vertex_buffer_cursor += IndexGenerator::GetNumVerts() * stride;
ResetBuffer();
#if defined(_DEBUG) || defined(DEBUGFAST)
if (g_ActiveConfig.iLog & CONF_SAVESHADERS)
{
// save the shaders
char strfile[255];
sprintf(strfile, "%sps%.3d.txt", File::GetUserPath(D_DUMPFRAMES_IDX).c_str(), g_ActiveConfig.iSaveTargetId);
std::ofstream fps(strfile);
fps << ps->strprog.c_str();
sprintf(strfile, "%svs%.3d.txt", File::GetUserPath(D_DUMPFRAMES_IDX).c_str(), g_ActiveConfig.iSaveTargetId);
std::ofstream fvs(strfile);
fvs << vs->strprog.c_str();
}
if (g_ActiveConfig.iLog & CONF_SAVETARGETS)
{
char str[128];
sprintf(str, "%starg%.3d.tga", File::GetUserPath(D_DUMPFRAMES_IDX).c_str(), g_ActiveConfig.iSaveTargetId);
TargetRectangle tr;
tr.left = 0;
tr.right = Renderer::GetTargetWidth();
tr.top = 0;
tr.bottom = Renderer::GetTargetHeight();
g_renderer->SaveScreenshot(str, tr);
}
#endif
g_Config.iSaveTargetId++;
ClearEFBCache();
GL_REPORT_ERRORD();
}
} // namespace
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