dolphin/Source/Plugins/Plugin_VideoOGL/Src/BPFunctions.cpp

259 lines
8.2 KiB
C++

// Copyright (C) 2003-2009 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 "BPFunctions.h"
#include "Globals.h"
#include "Profiler.h"
#include "Config.h"
#include "VertexManager.h"
#include "Render.h"
#include "TextureMngr.h"
#include "TextureConverter.h"
#include "VertexShaderManager.h"
#include "XFB.h"
#include "main.h"
namespace BPFunctions
{
// ----------------------------------------------
// State translation lookup tables
// Reference: Yet Another Gamecube Documentation
// ----------------------------------------------
static const GLenum glCmpFuncs[8] = {
GL_NEVER, GL_LESS, GL_EQUAL, GL_LEQUAL, GL_GREATER, GL_NOTEQUAL, GL_GEQUAL, GL_ALWAYS
};
static const GLenum glLogicOpCodes[16] = {
GL_CLEAR, GL_AND, GL_AND_REVERSE, GL_COPY, GL_AND_INVERTED, GL_NOOP, GL_XOR,
GL_OR, GL_NOR, GL_EQUIV, GL_INVERT, GL_OR_REVERSE, GL_COPY_INVERTED, GL_OR_INVERTED, GL_NAND, GL_SET
};
void FlushPipeline()
{
VertexManager::Flush();
}
void SetGenerationMode(const Bypass &bp)
{
// none, ccw, cw, ccw
if (bpmem.genMode.cullmode > 0)
{
glEnable(GL_CULL_FACE);
glFrontFace(bpmem.genMode.cullmode == 2 ? GL_CCW : GL_CW);
}
else
glDisable(GL_CULL_FACE);
}
void SetScissor(const Bypass &bp)
{
if (!Renderer::SetScissorRect())
if (bp.address == BPMEM_SCISSORBR)
ERROR_LOG(VIDEO, "bad scissor!");
}
void SetLineWidth(const Bypass &bp)
{
float fratio = xfregs.rawViewport[0] != 0 ? ((float)Renderer::GetTargetWidth() / EFB_WIDTH) : 1.0f;
if (bpmem.lineptwidth.linesize > 0)
glLineWidth((float)bpmem.lineptwidth.linesize * fratio / 6.0f); // scale by ratio of widths
if (bpmem.lineptwidth.pointsize > 0)
glPointSize((float)bpmem.lineptwidth.pointsize * fratio / 6.0f);
}
void SetDepthMode(const Bypass &bp)
{
if (bpmem.zmode.testenable)
{
glEnable(GL_DEPTH_TEST);
glDepthMask(bpmem.zmode.updateenable ? GL_TRUE : GL_FALSE);
glDepthFunc(glCmpFuncs[bpmem.zmode.func]);
}
else
{
// if the test is disabled write is disabled too
glDisable(GL_DEPTH_TEST);
glDepthMask(GL_FALSE);
}
if (!bpmem.zmode.updateenable)
Renderer::SetRenderMode(Renderer::RM_Normal);
}
void SetBlendMode(const Bypass &bp)
{
Renderer::SetBlendMode(false);
}
void SetDitherMode(const Bypass &bp)
{
if (bpmem.blendmode.dither)
glEnable(GL_DITHER);
else
glDisable(GL_DITHER);
}
void SetLogicOpMode(const Bypass &bp)
{
if (bpmem.blendmode.logicopenable)
{
glEnable(GL_COLOR_LOGIC_OP);
glLogicOp(glLogicOpCodes[bpmem.blendmode.logicmode]);
}
else
glDisable(GL_COLOR_LOGIC_OP);
}
void SetColorMask(const Bypass &bp)
{
Renderer::SetColorMask();
}
float GetRendererTargetScaleX()
{
return Renderer::GetTargetScaleX();
}
float GetRendererTargetScaleY()
{
return Renderer::GetTargetScaleY();
}
void CopyEFB(const Bypass &bp, const TRectangle &rc, const u32 &address, const bool &fromZBuffer, const bool &isIntensityFmt, const u32 &copyfmt, const bool &scaleByHalf)
{
// bpmem.zcontrol.pixel_format to PIXELFMT_Z24 is when the game wants to copy from ZBuffer (Zbuffer uses 24-bit Format)
if (!g_Config.bEFBCopyDisable)
if (g_Config.bCopyEFBToRAM) // To RAM
TextureConverter::EncodeToRam(address, fromZBuffer, isIntensityFmt, copyfmt, scaleByHalf, rc);
else // To OGL Texture
TextureMngr::CopyRenderTargetToTexture(address, fromZBuffer, isIntensityFmt, copyfmt, scaleByHalf, rc);
}
void RenderToXFB(const Bypass &bp, const TRectangle &multirc, const float &yScale, const float &xfbLines, u8* pXFB, const u32 &dstWidth, const u32 &dstHeight)
{
// EFB to XFB
if (g_Config.bUseXFB)
{
XFB_Write(pXFB, multirc, dstWidth, dstHeight);
// FIXME: we draw XFB from here in DC mode.
// Bad hack since we can have multiple EFB to XFB copy before a draw.
// Plus we should use width and height from VI regs (see VI->Update()).
// Dixit donkopunchstania for the info.
//DebugLog("(EFB to XFB->XFB_Draw): ptr: %08x | %ix%i", (u32)pXFB, dstWidth, dstHeight);
if (g_VideoInitialize.bUseDualCore)
XFB_Draw(pXFB, dstWidth, dstHeight, 0);
}
else
{
// Hm, we need to compensate for the fact that the copy may be bigger than what is displayed.
// Seen in Spartan Warrior. Not sure how to deal with it yet.
Renderer::Swap(multirc);
}
g_VideoInitialize.pCopiedToXFB();
}
void ClearScreen(const Bypass &bp, const TRectangle &multirc)
{
// Clear color
Renderer::SetRenderMode(Renderer::RM_Normal);
// Clear Z-Buffer target
bool bRestoreZBufferTarget = Renderer::UseFakeZTarget();
// Update the view port for clearing the picture
glViewport(0, 0, Renderer::GetTargetWidth(), Renderer::GetTargetHeight());
// Always set the scissor in case it was set by the game and has not been reset
glScissor(multirc.left, (Renderer::GetTargetHeight() - multirc.bottom),
(multirc.right - multirc.left), (multirc.bottom - multirc.top));
// ---------------------------
VertexShaderManager::SetViewportChanged();
// Since clear operations use the source rectangle, we have to do
// regular renders (glClear clears the entire buffer)
if (bpmem.blendmode.colorupdate || bpmem.blendmode.alphaupdate || bpmem.zmode.updateenable)
{
GLbitfield bits = 0;
if (bpmem.blendmode.colorupdate || bpmem.blendmode.alphaupdate)
{
u32 clearColor = (bpmem.clearcolorAR << 16) | bpmem.clearcolorGB;
glClearColor(((clearColor>>16) & 0xff)*(1/255.0f),
((clearColor>>8 ) & 0xff)*(1/255.0f),
((clearColor>>0 ) & 0xff)*(1/255.0f),
((clearColor>>24) & 0xff)*(1/255.0f));
bits |= GL_COLOR_BUFFER_BIT;
}
if (bpmem.zmode.updateenable)
{
glClearDepth((float)(bpmem.clearZValue & 0xFFFFFF) / float(0xFFFFFF));
bits |= GL_DEPTH_BUFFER_BIT;
}
if (bRestoreZBufferTarget)
glDrawBuffer(GL_COLOR_ATTACHMENT0_EXT); // don't clear ztarget here
glClear(bits);
}
// Have to clear the target zbuffer
if (bpmem.zmode.updateenable && bRestoreZBufferTarget)
{
glDrawBuffer(GL_COLOR_ATTACHMENT1_EXT);
GL_REPORT_ERRORD();
glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
// red should probably be the LSB
glClearColor(((bpmem.clearZValue>>0)&0xff)*(1/255.0f),
((bpmem.clearZValue>>8)&0xff)*(1/255.0f),
((bpmem.clearZValue>>16)&0xff)*(1/255.0f), 0);
glClear(GL_COLOR_BUFFER_BIT);
Renderer::SetColorMask();
GL_REPORT_ERRORD();
}
if (bRestoreZBufferTarget)
{
// restore target
GLenum s_drawbuffers[2] = {GL_COLOR_ATTACHMENT0_EXT, GL_COLOR_ATTACHMENT1_EXT};
glDrawBuffers(2, s_drawbuffers);
}
}
void RestoreRenderState(const Bypass &bp)
{
Renderer::RestoreGLState();
}
bool GetConfig(const int &type)
{
switch (type)
{
case CONFIG_ISWII:
return g_VideoInitialize.bWii;
case CONFIG_DISABLEFOG:
return g_Config.bDisableFog;
case CONFIG_SHOWEFBREGIONS:
return g_Config.bShowEFBCopyRegions;
default:
PanicAlert("GetConfig Error: Unknown Config Type!");
return false;
}
}
u8 *GetPointer(const u32 &address)
{
return g_VideoInitialize.pGetMemoryPointer(address);
}
void SetSamplerState(const Bypass &bp)
{
// TODO
}
void SetInterlacingMode(const Bypass &bp)
{
// TODO
}
};