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authorJasper St. Pierre <jstpierre@mecheye.net>2013-12-07 15:14:29 -0500
committerJasper St. Pierre <jstpierre@mecheye.net>2013-12-31 14:03:19 -0500
commit34692ab826abc8f8faa61bdb2280b742424528f1 (patch)
treeb0eedc645badbea316ff59c125eaf808b28777ec /Source/Core/VideoBackends/Software/EfbInterface.cpp
parent43e618682e8093602fc83dfa902ee7ae3fd3a4f6 (diff)
Remove unnecessary Src/ folders
Diffstat (limited to 'Source/Core/VideoBackends/Software/EfbInterface.cpp')
-rw-r--r--Source/Core/VideoBackends/Software/EfbInterface.cpp549
1 files changed, 549 insertions, 0 deletions
diff --git a/Source/Core/VideoBackends/Software/EfbInterface.cpp b/Source/Core/VideoBackends/Software/EfbInterface.cpp
new file mode 100644
index 0000000000..f13f6a47b1
--- /dev/null
+++ b/Source/Core/VideoBackends/Software/EfbInterface.cpp
@@ -0,0 +1,549 @@
+// Copyright 2013 Dolphin Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+#include "Common.h"
+
+#include "EfbInterface.h"
+#include "BPMemLoader.h"
+#include "LookUpTables.h"
+#include "SWPixelEngine.h"
+
+
+u8 efb[EFB_WIDTH*EFB_HEIGHT*6];
+
+
+namespace EfbInterface
+{
+
+ u8 efbColorTexture[EFB_WIDTH*EFB_HEIGHT*4];
+
+ inline u32 GetColorOffset(u16 x, u16 y)
+ {
+ return (x + y * EFB_WIDTH) * 3;
+ }
+
+ inline u32 GetDepthOffset(u16 x, u16 y)
+ {
+ return (x + y * EFB_WIDTH) * 3 + DEPTH_BUFFER_START;
+ }
+
+ void DoState(PointerWrap &p)
+ {
+ p.DoArray(efb, EFB_WIDTH*EFB_HEIGHT*6);
+ p.DoArray(efbColorTexture, EFB_WIDTH*EFB_HEIGHT*4);
+ }
+
+ void SetPixelAlphaOnly(u32 offset, u8 a)
+ {
+ switch (bpmem.zcontrol.pixel_format)
+ {
+ case PIXELFMT_RGB8_Z24:
+ case PIXELFMT_Z24:
+ case PIXELFMT_RGB565_Z16:
+ // do nothing
+ break;
+ case PIXELFMT_RGBA6_Z24:
+ {
+ u32 a32 = a;
+ u32 *dst = (u32*)&efb[offset];
+ u32 val = *dst & 0xffffffc0;
+ val |= (a32 >> 2) & 0x0000003f;
+ *dst = val;
+ }
+ break;
+ default:
+ ERROR_LOG(VIDEO, "Unsupported pixel format: %i", bpmem.zcontrol.pixel_format);
+ }
+ }
+
+ void SetPixelColorOnly(u32 offset, u8 *rgb)
+ {
+ switch (bpmem.zcontrol.pixel_format)
+ {
+ case PIXELFMT_RGB8_Z24:
+ case PIXELFMT_Z24:
+ {
+ u32 src = *(u32*)rgb;
+ u32 *dst = (u32*)&efb[offset];
+ u32 val = *dst & 0xff000000;
+ val |= src >> 8;
+ *dst = val;
+ }
+ break;
+ case PIXELFMT_RGBA6_Z24:
+ {
+ u32 src = *(u32*)rgb;
+ u32 *dst = (u32*)&efb[offset];
+ u32 val = *dst & 0xff00003f;
+ val |= (src >> 4) & 0x00000fc0; // blue
+ val |= (src >> 6) & 0x0003f000; // green
+ val |= (src >> 8) & 0x00fc0000; // red
+ *dst = val;
+ }
+ break;
+ case PIXELFMT_RGB565_Z16:
+ {
+ INFO_LOG(VIDEO, "PIXELFMT_RGB565_Z16 is not supported correctly yet");
+ u32 src = *(u32*)rgb;
+ u32 *dst = (u32*)&efb[offset];
+ u32 val = *dst & 0xff000000;
+ val |= src >> 8;
+ *dst = val;
+ }
+ break;
+ default:
+ ERROR_LOG(VIDEO, "Unsupported pixel format: %i", bpmem.zcontrol.pixel_format);
+ }
+ }
+
+ void SetPixelAlphaColor(u32 offset, u8 *color)
+ {
+ switch (bpmem.zcontrol.pixel_format)
+ {
+ case PIXELFMT_RGB8_Z24:
+ case PIXELFMT_Z24:
+ {
+ u32 src = *(u32*)color;
+ u32 *dst = (u32*)&efb[offset];
+ u32 val = *dst & 0xff000000;
+ val |= src >> 8;
+ *dst = val;
+ }
+ break;
+ case PIXELFMT_RGBA6_Z24:
+ {
+ u32 src = *(u32*)color;
+ u32 *dst = (u32*)&efb[offset];
+ u32 val = *dst & 0xff000000;
+ val |= (src >> 2) & 0x0000003f; // alpha
+ val |= (src >> 4) & 0x00000fc0; // blue
+ val |= (src >> 6) & 0x0003f000; // green
+ val |= (src >> 8) & 0x00fc0000; // red
+ *dst = val;
+ }
+ break;
+ case PIXELFMT_RGB565_Z16:
+ {
+ INFO_LOG(VIDEO, "PIXELFMT_RGB565_Z16 is not supported correctly yet");
+ u32 src = *(u32*)color;
+ u32 *dst = (u32*)&efb[offset];
+ u32 val = *dst & 0xff000000;
+ val |= src >> 8;
+ *dst = val;
+ }
+ break;
+ default:
+ ERROR_LOG(VIDEO, "Unsupported pixel format: %i", bpmem.zcontrol.pixel_format);
+ }
+ }
+
+ void GetPixelColor(u32 offset, u8 *color)
+ {
+ switch (bpmem.zcontrol.pixel_format)
+ {
+ case PIXELFMT_RGB8_Z24:
+ case PIXELFMT_Z24:
+ {
+ u32 src = *(u32*)&efb[offset];
+ u32 *dst = (u32*)color;
+ u32 val = 0xff | ((src & 0x00ffffff) << 8);
+ *dst = val;
+ }
+ break;
+ case PIXELFMT_RGBA6_Z24:
+ {
+ u32 src = *(u32*)&efb[offset];
+ color[ALP_C] = Convert6To8(src & 0x3f);
+ color[BLU_C] = Convert6To8((src >> 6) & 0x3f);
+ color[GRN_C] = Convert6To8((src >> 12) & 0x3f);
+ color[RED_C] = Convert6To8((src >> 18) & 0x3f);
+ }
+ break;
+ case PIXELFMT_RGB565_Z16:
+ {
+ INFO_LOG(VIDEO, "PIXELFMT_RGB565_Z16 is not supported correctly yet");
+ u32 src = *(u32*)&efb[offset];
+ u32 *dst = (u32*)color;
+ u32 val = 0xff | ((src & 0x00ffffff) << 8);
+ *dst = val;
+ }
+ break;
+ default:
+ ERROR_LOG(VIDEO, "Unsupported pixel format: %i", bpmem.zcontrol.pixel_format);
+ }
+ }
+
+ void SetPixelDepth(u32 offset, u32 depth)
+ {
+ switch (bpmem.zcontrol.pixel_format)
+ {
+ case PIXELFMT_RGB8_Z24:
+ case PIXELFMT_RGBA6_Z24:
+ case PIXELFMT_Z24:
+ {
+ u32 *dst = (u32*)&efb[offset];
+ u32 val = *dst & 0xff000000;
+ val |= depth & 0x00ffffff;
+ *dst = val;
+ }
+ break;
+ case PIXELFMT_RGB565_Z16:
+ {
+ INFO_LOG(VIDEO, "PIXELFMT_RGB565_Z16 is not supported correctly yet");
+ u32 *dst = (u32*)&efb[offset];
+ u32 val = *dst & 0xff000000;
+ val |= depth & 0x00ffffff;
+ *dst = val;
+ }
+ break;
+ default:
+ ERROR_LOG(VIDEO, "Unsupported pixel format: %i", bpmem.zcontrol.pixel_format);
+ }
+ }
+
+ u32 GetPixelDepth(u32 offset)
+ {
+ u32 depth = 0;
+
+ switch (bpmem.zcontrol.pixel_format)
+ {
+ case PIXELFMT_RGB8_Z24:
+ case PIXELFMT_RGBA6_Z24:
+ case PIXELFMT_Z24:
+ {
+ depth = (*(u32*)&efb[offset]) & 0x00ffffff;
+ }
+ break;
+ case PIXELFMT_RGB565_Z16:
+ {
+ INFO_LOG(VIDEO, "PIXELFMT_RGB565_Z16 is not supported correctly yet");
+ depth = (*(u32*)&efb[offset]) & 0x00ffffff;
+ }
+ break;
+ default:
+ ERROR_LOG(VIDEO, "Unsupported pixel format: %i", bpmem.zcontrol.pixel_format);
+ }
+
+ return depth;
+ }
+
+ u32 GetSourceFactor(u8 *srcClr, u8 *dstClr, int mode)
+ {
+ switch (mode) {
+ case 0: // zero
+ return 0;
+ case 1: // one
+ return 0xffffffff;
+ case 2: // dstclr
+ return *(u32*)dstClr;
+ case 3: // invdstclr
+ return 0xffffffff - *(u32*)dstClr;
+ case 4: // srcalpha
+ {
+ u8 alpha = srcClr[ALP_C];
+ u32 factor = alpha << 24 | alpha << 16 | alpha << 8 | alpha;
+ return factor;
+ }
+ case 5: // invsrcalpha
+ {
+ u8 alpha = 0xff - srcClr[ALP_C];
+ u32 factor = alpha << 24 | alpha << 16 | alpha << 8 | alpha;
+ return factor;
+ }
+ case 6: // dstalpha
+ {
+ u8 alpha = dstClr[ALP_C];
+ u32 factor = alpha << 24 | alpha << 16 | alpha << 8 | alpha;
+ return factor;
+ }
+ case 7: // invdstalpha
+ {
+ u8 alpha = 0xff - dstClr[ALP_C];
+ u32 factor = alpha << 24 | alpha << 16 | alpha << 8 | alpha;
+ return factor;
+ }
+ }
+
+ return 0;
+ }
+
+ u32 GetDestinationFactor(u8 *srcClr, u8 *dstClr, int mode)
+ {
+ switch (mode) {
+ case 0: // zero
+ return 0;
+ case 1: // one
+ return 0xffffffff;
+ case 2: // srcclr
+ return *(u32*)srcClr;
+ case 3: // invsrcclr
+ return 0xffffffff - *(u32*)srcClr;
+ case 4: // srcalpha
+ {
+ u8 alpha = srcClr[ALP_C];
+ u32 factor = alpha << 24 | alpha << 16 | alpha << 8 | alpha;
+ return factor;
+ }
+ case 5: // invsrcalpha
+ {
+ u8 alpha = 0xff - srcClr[ALP_C];
+ u32 factor = alpha << 24 | alpha << 16 | alpha << 8 | alpha;
+ return factor;
+ }
+ case 6: // dstalpha
+ {
+ u8 alpha = dstClr[ALP_C] & 0xff;
+ u32 factor = alpha << 24 | alpha << 16 | alpha << 8 | alpha;
+ return factor;
+ }
+ case 7: // invdstalpha
+ {
+ u8 alpha = 0xff - dstClr[ALP_C];
+ u32 factor = alpha << 24 | alpha << 16 | alpha << 8 | alpha;
+ return factor;
+ }
+ }
+
+ return 0;
+ }
+
+ void BlendColor(u8 *srcClr, u8 *dstClr)
+ {
+ u32 srcFactor = GetSourceFactor(srcClr, dstClr, bpmem.blendmode.srcfactor);
+ u32 dstFactor = GetDestinationFactor(srcClr, dstClr, bpmem.blendmode.dstfactor);
+
+ for (int i = 0; i < 4; i++)
+ {
+ // add MSB of factors to make their range 0 -> 256
+ u32 sf = (srcFactor & 0xff);
+ sf += sf >> 7;
+
+ u32 df = (dstFactor & 0xff);
+ df += df >> 7;
+
+ u32 color = (srcClr[i] * sf + dstClr[i] * df) >> 8;
+ dstClr[i] = (color>255)?255:color;
+
+ dstFactor >>= 8;
+ srcFactor >>= 8;
+ }
+ }
+
+ void LogicBlend(u32 srcClr, u32 &dstClr, int op)
+ {
+ switch (op)
+ {
+ case 0: // clear
+ dstClr = 0;
+ break;
+ case 1: // and
+ dstClr = srcClr & dstClr;
+ break;
+ case 2: // revand
+ dstClr = srcClr & (~dstClr);
+ break;
+ case 3: // copy
+ dstClr = srcClr;
+ break;
+ case 4: // invand
+ dstClr = (~srcClr) & dstClr;
+ break;
+ case 5: // noop
+ // Do nothing
+ break;
+ case 6: // xor
+ dstClr = srcClr ^ dstClr;
+ break;
+ case 7: // or
+ dstClr = srcClr | dstClr;
+ break;
+ case 8: // nor
+ dstClr = ~(srcClr | dstClr);
+ break;
+ case 9: // equiv
+ dstClr = ~(srcClr ^ dstClr);
+ break;
+ case 10: // inv
+ dstClr = ~dstClr;
+ break;
+ case 11: // revor
+ dstClr = srcClr | (~dstClr);
+ break;
+ case 12: // invcopy
+ dstClr = ~srcClr;
+ break;
+ case 13: // invor
+ dstClr = (~srcClr) | dstClr;
+ break;
+ case 14: // nand
+ dstClr = ~(srcClr & dstClr);
+ break;
+ case 15: // set
+ dstClr = 0xffffffff;
+ break;
+ }
+ }
+
+ void SubtractBlend(u8 *srcClr, u8 *dstClr)
+ {
+ for (int i = 0; i < 4; i++)
+ {
+ int c = (int)dstClr[i] - (int)srcClr[i];
+ dstClr[i] = (c < 0)?0:c;
+ }
+ }
+
+ void BlendTev(u16 x, u16 y, u8 *color)
+ {
+ u32 dstClr;
+ u32 offset = GetColorOffset(x, y);
+
+ u8 *dstClrPtr = (u8*)&dstClr;
+
+ GetPixelColor(offset, dstClrPtr);
+
+ if (bpmem.blendmode.blendenable)
+ {
+ if (bpmem.blendmode.subtract)
+ SubtractBlend(color, dstClrPtr);
+ else
+ BlendColor(color, dstClrPtr);
+ }
+ else if (bpmem.blendmode.logicopenable)
+ {
+ LogicBlend(*((u32*)color), dstClr, bpmem.blendmode.logicmode);
+ }
+ else
+ {
+ dstClrPtr = color;
+ }
+
+ if (bpmem.dstalpha.enable)
+ dstClrPtr[ALP_C] = bpmem.dstalpha.alpha;
+
+ if (bpmem.blendmode.colorupdate)
+ {
+ if (bpmem.blendmode.alphaupdate)
+ SetPixelAlphaColor(offset, dstClrPtr);
+ else
+ SetPixelColorOnly(offset, dstClrPtr);
+ }
+ else if (bpmem.blendmode.alphaupdate)
+ {
+ SetPixelAlphaOnly(offset, dstClrPtr[ALP_C]);
+ }
+
+ // branchless bounding box update
+ SWPixelEngine::pereg.boxLeft = SWPixelEngine::pereg.boxLeft>x?x:SWPixelEngine::pereg.boxLeft;
+ SWPixelEngine::pereg.boxRight = SWPixelEngine::pereg.boxRight<x?x:SWPixelEngine::pereg.boxRight;
+ SWPixelEngine::pereg.boxTop = SWPixelEngine::pereg.boxTop>y?y:SWPixelEngine::pereg.boxTop;
+ SWPixelEngine::pereg.boxBottom = SWPixelEngine::pereg.boxBottom<y?y:SWPixelEngine::pereg.boxBottom;
+ }
+
+ void SetColor(u16 x, u16 y, u8 *color)
+ {
+ u32 offset = GetColorOffset(x, y);
+ if (bpmem.blendmode.colorupdate)
+ {
+ if (bpmem.blendmode.alphaupdate)
+ SetPixelAlphaColor(offset, color);
+ else
+ SetPixelColorOnly(offset, color);
+ }
+ else if (bpmem.blendmode.alphaupdate)
+ {
+ SetPixelAlphaOnly(offset, color[ALP_C]);
+ }
+ }
+
+ void SetDepth(u16 x, u16 y, u32 depth)
+ {
+ if (bpmem.zmode.updateenable)
+ SetPixelDepth(GetDepthOffset(x, y), depth);
+ }
+
+ void GetColor(u16 x, u16 y, u8 *color)
+ {
+ u32 offset = GetColorOffset(x, y);
+ GetPixelColor(offset, color);
+ }
+
+ u32 GetDepth(u16 x, u16 y)
+ {
+ u32 offset = GetDepthOffset(x, y);
+ return GetPixelDepth(offset);
+ }
+
+ u8 *GetPixelPointer(u16 x, u16 y, bool depth)
+ {
+ if (depth)
+ return &efb[GetDepthOffset(x, y)];
+ return &efb[GetColorOffset(x, y)];
+ }
+
+ void UpdateColorTexture()
+ {
+ u32 color;
+ u8* colorPtr = (u8*)&color;
+ u32* texturePtr = (u32*)efbColorTexture;
+ u32 textureAddress = 0;
+ u32 efbOffset = 0;
+
+ for (u16 y = 0; y < EFB_HEIGHT; y++)
+ {
+ for (u16 x = 0; x < EFB_WIDTH; x++)
+ {
+ GetPixelColor(efbOffset, colorPtr);
+ efbOffset += 3;
+ texturePtr[textureAddress++] = Common::swap32(color); // ABGR->RGBA
+ }
+ }
+ }
+
+ bool ZCompare(u16 x, u16 y, u32 z)
+ {
+ u32 offset = GetDepthOffset(x, y);
+ u32 depth = GetPixelDepth(offset);
+
+ bool pass;
+
+ switch (bpmem.zmode.func)
+ {
+ case COMPARE_NEVER:
+ pass = false;
+ break;
+ case COMPARE_LESS:
+ pass = z < depth;
+ break;
+ case COMPARE_EQUAL:
+ pass = z == depth;
+ break;
+ case COMPARE_LEQUAL:
+ pass = z <= depth;
+ break;
+ case COMPARE_GREATER:
+ pass = z > depth;
+ break;
+ case COMPARE_NEQUAL:
+ pass = z != depth;
+ break;
+ case COMPARE_GEQUAL:
+ pass = z >= depth;
+ break;
+ case COMPARE_ALWAYS:
+ pass = true;
+ break;
+ default:
+ pass = false;
+ ERROR_LOG(VIDEO, "Bad Z compare mode %i", bpmem.zmode.func);
+ }
+
+ if (pass && bpmem.zmode.updateenable)
+ {
+ SetPixelDepth(offset, z);
+ }
+
+ return pass;
+ }
+}