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dolphin/Source/Core/VideoBackends/OGL/Src/VertexManager.cpp

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// Copyright 2013 Dolphin Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#include "Globals.h"
#include <fstream>
#include <vector>
#include "Fifo.h"
#include "DriverDetails.h"
#include "VideoConfig.h"
#include "Statistics.h"
#include "MemoryUtil.h"
#include "Render.h"
#include "ImageWrite.h"
#include "BPMemory.h"
#include "TextureCache.h"
#include "PixelShaderManager.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 "StreamBuffer.h"
#include "PerfQueryBase.h"
#include "Render.h"
#include "main.h"
// internal state for loading vertices
extern NativeVertexFormat *g_nativeVertexFmt;
namespace OGL
{
//This are the initially requested size for the buffers expressed in bytes
const u32 MAX_IBUFFER_SIZE = 2*1024*1024;
const u32 MAX_VBUFFER_SIZE = 16*1024*1024;
static StreamBuffer *s_vertexBuffer;
static StreamBuffer *s_indexBuffer;
static u32 s_baseVertex;
static u32 s_offset[3];
VertexManager::VertexManager()
{
CreateDeviceObjects();
}
VertexManager::~VertexManager()
{
DestroyDeviceObjects();
}
void VertexManager::CreateDeviceObjects()
{
s_vertexBuffer = new StreamBuffer(GL_ARRAY_BUFFER, MAX_VBUFFER_SIZE);
m_vertex_buffers = s_vertexBuffer->getBuffer();
s_indexBuffer = new StreamBuffer(GL_ELEMENT_ARRAY_BUFFER, MAX_IBUFFER_SIZE);
m_index_buffers = s_indexBuffer->getBuffer();
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();
delete s_vertexBuffer;
delete s_indexBuffer;
GL_REPORT_ERROR();
}
void VertexManager::PrepareDrawBuffers(u32 stride)
{
u32 vertex_data_size = IndexGenerator::GetNumVerts() * stride;
u32 triangle_index_size = IndexGenerator::GetTriangleindexLen();
u32 line_index_size = IndexGenerator::GetLineindexLen();
u32 point_index_size = IndexGenerator::GetPointindexLen();
u32 index_size = (triangle_index_size+line_index_size+point_index_size) * sizeof(u16);
s_vertexBuffer->Alloc(vertex_data_size, stride);
u32 offset = s_vertexBuffer->Upload(GetVertexBuffer(), vertex_data_size);
s_baseVertex = offset / stride;
s_indexBuffer->Alloc(index_size);
if(triangle_index_size)
{
s_offset[0] = s_indexBuffer->Upload((u8*)GetTriangleIndexBuffer(), triangle_index_size * sizeof(u16));
}
if(line_index_size)
{
s_offset[1] = s_indexBuffer->Upload((u8*)GetLineIndexBuffer(), line_index_size * sizeof(u16));
}
if(point_index_size)
{
s_offset[2] = s_indexBuffer->Upload((u8*)GetPointIndexBuffer(), point_index_size * sizeof(u16));
}
ADDSTAT(stats.thisFrame.bytesVertexStreamed, vertex_data_size);
ADDSTAT(stats.thisFrame.bytesIndexStreamed, index_size);
}
void VertexManager::Draw(u32 stride)
{
u32 triangle_index_size = IndexGenerator::GetTriangleindexLen();
u32 line_index_size = IndexGenerator::GetLineindexLen();
u32 point_index_size = IndexGenerator::GetPointindexLen();
u32 max_index = IndexGenerator::GetNumVerts();
GLenum triangle_mode = g_ActiveConfig.backend_info.bSupportsPrimitiveRestart?GL_TRIANGLE_STRIP:GL_TRIANGLES;
if(g_ogl_config.bSupportsGLBaseVertex) {
if (triangle_index_size > 0)
{
glDrawRangeElementsBaseVertex(triangle_mode, 0, max_index, triangle_index_size, GL_UNSIGNED_SHORT, (u8*)NULL+s_offset[0], s_baseVertex);
INCSTAT(stats.thisFrame.numIndexedDrawCalls);
}
if (line_index_size > 0)
{
glDrawRangeElementsBaseVertex(GL_LINES, 0, max_index, line_index_size, GL_UNSIGNED_SHORT, (u8*)NULL+s_offset[1], s_baseVertex);
INCSTAT(stats.thisFrame.numIndexedDrawCalls);
}
if (point_index_size > 0)
{
glDrawRangeElementsBaseVertex(GL_POINTS, 0, max_index, point_index_size, GL_UNSIGNED_SHORT, (u8*)NULL+s_offset[2], s_baseVertex);
INCSTAT(stats.thisFrame.numIndexedDrawCalls);
}
}
else if (DriverDetails::HasBug(DriverDetails::BUG_ISTEGRA))
{
if (triangle_index_size > 0)
{
glDrawElements(triangle_mode, triangle_index_size, GL_UNSIGNED_SHORT, (u8*)NULL+s_offset[0]);
INCSTAT(stats.thisFrame.numIndexedDrawCalls);
}
if (line_index_size > 0)
{
glDrawElements(GL_LINES, line_index_size, GL_UNSIGNED_SHORT, (u8*)NULL+s_offset[1]);
INCSTAT(stats.thisFrame.numIndexedDrawCalls);
}
if (point_index_size > 0)
{
glDrawElements(GL_POINTS, point_index_size, GL_UNSIGNED_SHORT, (u8*)NULL+s_offset[2]);
INCSTAT(stats.thisFrame.numIndexedDrawCalls);
}
} else {
if (triangle_index_size > 0)
{
glDrawRangeElements(triangle_mode, 0, max_index, triangle_index_size, GL_UNSIGNED_SHORT, (u8*)NULL+s_offset[0]);
INCSTAT(stats.thisFrame.numIndexedDrawCalls);
}
if (line_index_size > 0)
{
glDrawRangeElements(GL_LINES, 0, max_index, line_index_size, GL_UNSIGNED_SHORT, (u8*)NULL+s_offset[1]);
INCSTAT(stats.thisFrame.numIndexedDrawCalls);
}
if (point_index_size > 0)
{
glDrawRangeElements(GL_POINTS, 0, max_index, point_index_size, GL_UNSIGNED_SHORT, (u8*)NULL+s_offset[2]);
INCSTAT(stats.thisFrame.numIndexedDrawCalls);
}
}
}
void VertexManager::vFlush()
{
#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))
{
TextureCache::SetNextStage(i);
g_renderer->SetSamplerState(i % 4, i / 4);
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.texMode1[i&3].max_lod + 0xf) / 0x10,
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
if (dualSourcePossible)
{
if (useDstAlpha)
{
// If host supports GL_ARB_blend_func_extended, we can do dst alpha in
// the same pass as regular rendering.
ProgramShaderCache::SetShader(DSTALPHA_DUAL_SOURCE_BLEND, g_nativeVertexFmt->m_components);
}
else
{
ProgramShaderCache::SetShader(DSTALPHA_NONE,g_nativeVertexFmt->m_components);
}
}
else
{
ProgramShaderCache::SetShader(DSTALPHA_NONE,g_nativeVertexFmt->m_components);
}
// set global constants
VertexShaderManager::SetConstants();
PixelShaderManager::SetConstants(g_nativeVertexFmt->m_components);
ProgramShaderCache::UploadConstants();
// setup the pointers
if (g_nativeVertexFmt)
g_nativeVertexFmt->SetupVertexPointers();
GL_REPORT_ERRORD();
g_perf_query->EnableQuery(bpmem.zcontrol.early_ztest ? PQG_ZCOMP_ZCOMPLOC : PQG_ZCOMP);
Draw(stride);
g_perf_query->DisableQuery(bpmem.zcontrol.early_ztest ? PQG_ZCOMP_ZCOMPLOC : PQG_ZCOMP);
//ERROR_LOG(VIDEO, "PerfQuery result: %d", g_perf_query->GetQueryResult(bpmem.zcontrol.early_ztest ? PQ_ZCOMP_OUTPUT_ZCOMPLOC : PQ_ZCOMP_OUTPUT));
// run through vertex groups again to set alpha
if (useDstAlpha && !dualSourcePossible)
{
ProgramShaderCache::SetShader(DSTALPHA_ALPHA_PASS,g_nativeVertexFmt->m_components);
if (!g_ActiveConfig.backend_info.bSupportsGLSLUBO)
{
// Need to set these again, if we don't support UBO
VertexShaderManager::SetConstants();
PixelShaderManager::SetConstants(g_nativeVertexFmt->m_components);
}
// 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);
#if defined(_DEBUG) || defined(DEBUGFAST)
if (g_ActiveConfig.iLog & CONF_SAVESHADERS)
{
// save the shaders
ProgramShaderCache::PCacheEntry prog = ProgramShaderCache::GetShaderProgram();
char strfile[255];
sprintf(strfile, "%sps%.3d.txt", File::GetUserPath(D_DUMPFRAMES_IDX).c_str(), g_ActiveConfig.iSaveTargetId);
std::ofstream fps;
OpenFStream(fps, strfile, std::ios_base::out);
fps << prog.shader.strpprog.c_str();
sprintf(strfile, "%svs%.3d.txt", File::GetUserPath(D_DUMPFRAMES_IDX).c_str(), g_ActiveConfig.iSaveTargetId);
std::ofstream fvs;
OpenFStream(fvs, strfile, std::ios_base::out);
fvs << prog.shader.strvprog.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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