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authorRyan Houdek <Sonicadvance1@gmail.com>2013-04-14 20:43:42 -0500
committerRyan Houdek <Sonicadvance1@gmail.com>2013-04-14 20:43:42 -0500
commit37b67971e7def8dcd0dae3209afc6c69b52d0609 (patch)
tree510eccb41b0653225ec3af6bf02b425c72a195e1 /Source/Plugins/Plugin_VideoSoftware/Src/OpcodeDecoder.cpp
parentbde7ea00ef9fd625a4e453ee9598fc20382a35a5 (diff)
parentb91930a2d4742ec001d0b1df1abe938da7527d03 (diff)
Merge remote-tracking branch 'origin/master' into Android-trash
Conflicts: Source/Plugins/Plugin_VideoSoftware/Src/SWRenderer.cpp
Diffstat (limited to 'Source/Plugins/Plugin_VideoSoftware/Src/OpcodeDecoder.cpp')
-rw-r--r--Source/Plugins/Plugin_VideoSoftware/Src/OpcodeDecoder.cpp408
1 files changed, 204 insertions, 204 deletions
diff --git a/Source/Plugins/Plugin_VideoSoftware/Src/OpcodeDecoder.cpp b/Source/Plugins/Plugin_VideoSoftware/Src/OpcodeDecoder.cpp
index 4848cb4d43..0fe0ac6192 100644
--- a/Source/Plugins/Plugin_VideoSoftware/Src/OpcodeDecoder.cpp
+++ b/Source/Plugins/Plugin_VideoSoftware/Src/OpcodeDecoder.cpp
@@ -12,7 +12,7 @@
// 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
+// Official Git repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#include "Common.h"
@@ -61,258 +61,258 @@ void DoState(PointerWrap &p)
void DecodePrimitiveStream(u32 iBufferSize)
{
- u32 vertexSize = vertexLoader.GetVertexSize();
+ u32 vertexSize = vertexLoader.GetVertexSize();
bool skipPrimitives = g_bSkipCurrentFrame ||
swstats.thisFrame.numDrawnObjects < g_SWVideoConfig.drawStart ||
swstats.thisFrame.numDrawnObjects >= g_SWVideoConfig.drawEnd;
- if (skipPrimitives)
- {
- while (streamSize > 0 && iBufferSize >= vertexSize)
- {
- g_pVideoData += vertexSize;
- iBufferSize -= vertexSize;
- streamSize--;
- }
- }
- else
- {
- while (streamSize > 0 && iBufferSize >= vertexSize)
- {
- vertexLoader.LoadVertex();
- iBufferSize -= vertexSize;
- streamSize--;
- }
- }
-
- if (streamSize == 0)
- {
- // return to normal command processing
- ResetDecoding();
- }
+ if (skipPrimitives)
+ {
+ while (streamSize > 0 && iBufferSize >= vertexSize)
+ {
+ g_pVideoData += vertexSize;
+ iBufferSize -= vertexSize;
+ streamSize--;
+ }
+ }
+ else
+ {
+ while (streamSize > 0 && iBufferSize >= vertexSize)
+ {
+ vertexLoader.LoadVertex();
+ iBufferSize -= vertexSize;
+ streamSize--;
+ }
+ }
+
+ if (streamSize == 0)
+ {
+ // return to normal command processing
+ ResetDecoding();
+ }
}
void ReadXFData(u32 iBufferSize)
{
- _assert_msg_(VIDEO, iBufferSize >= (u32)(streamSize * 4), "Underflow during standard opcode decoding");
+ _assert_msg_(VIDEO, iBufferSize >= (u32)(streamSize * 4), "Underflow during standard opcode decoding");
- u32 pData[16];
- for (int i = 0; i < streamSize; i++)
- pData[i] = DataReadU32();
- SWLoadXFReg(streamSize, streamAddress, pData);
+ u32 pData[16];
+ for (int i = 0; i < streamSize; i++)
+ pData[i] = DataReadU32();
+ SWLoadXFReg(streamSize, streamAddress, pData);
- // return to normal command processing
- ResetDecoding();
+ // return to normal command processing
+ ResetDecoding();
}
void ExecuteDisplayList(u32 addr, u32 count)
{
- u8 *videoDataSave = g_pVideoData;
+ u8 *videoDataSave = g_pVideoData;
- u8 *dlStart = Memory::GetPointer(addr);
+ u8 *dlStart = Memory::GetPointer(addr);
- g_pVideoData = dlStart;
+ g_pVideoData = dlStart;
- while (OpcodeDecoder::CommandRunnable(count))
- {
- OpcodeDecoder::Run(count);
+ while (OpcodeDecoder::CommandRunnable(count))
+ {
+ OpcodeDecoder::Run(count);
- // if data was read by the opcode decoder then the video data pointer changed
- u32 readCount = (u32)(g_pVideoData - dlStart);
- dlStart = g_pVideoData;
+ // if data was read by the opcode decoder then the video data pointer changed
+ u32 readCount = (u32)(g_pVideoData - dlStart);
+ dlStart = g_pVideoData;
- _assert_msg_(VIDEO, count >= readCount, "Display list underrun");
+ _assert_msg_(VIDEO, count >= readCount, "Display list underrun");
- count -= readCount;
- }
+ count -= readCount;
+ }
- g_pVideoData = videoDataSave;
+ g_pVideoData = videoDataSave;
}
void DecodeStandard(u32 bufferSize)
{
- _assert_msg_(VIDEO, CommandRunnable(bufferSize), "Underflow during standard opcode decoding");
+ _assert_msg_(VIDEO, CommandRunnable(bufferSize), "Underflow during standard opcode decoding");
- int Cmd = DataReadU8();
+ int Cmd = DataReadU8();
- if (Cmd == GX_NOP)
- return;
- // Causes a SIGBUS error on Android
- // XXX: Investigate
+ if (Cmd == GX_NOP)
+ return;
+ // Causes a SIGBUS error on Android
+ // XXX: Investigate
#ifndef ANDROID
- // check if switching in or out of an object
- // only used for debuggging
- if (inObjectStream && (Cmd & 0x87) != lastPrimCmd)
- {
- inObjectStream = false;
- DebugUtil::OnObjectEnd();
- }
- if (Cmd & 0x80 && !inObjectStream)
- {
- inObjectStream = true;
- lastPrimCmd = Cmd & 0x87;
- DebugUtil::OnObjectBegin();
- }
+ // check if switching in or out of an object
+ // only used for debuggging
+ if (inObjectStream && (Cmd & 0x87) != lastPrimCmd)
+ {
+ inObjectStream = false;
+ DebugUtil::OnObjectEnd();
+ }
+ if (Cmd & 0x80 && !inObjectStream)
+ {
+ inObjectStream = true;
+ lastPrimCmd = Cmd & 0x87;
+ DebugUtil::OnObjectBegin();
+ }
#endif
- switch(Cmd)
- {
- case GX_NOP:
- break;
-
- case GX_LOAD_CP_REG: //0x08
- {
- u32 SubCmd = DataReadU8();
- u32 Value = DataReadU32();
- SWLoadCPReg(SubCmd, Value);
- }
- break;
-
- case GX_LOAD_XF_REG:
- {
- u32 Cmd2 = DataReadU32();
- streamSize = ((Cmd2 >> 16) & 15) + 1;
- streamAddress = Cmd2 & 0xFFFF;
- currentFunction = ReadXFData;
- minCommandSize = streamSize * 4;
- readOpcode = false;
- }
- break;
-
- case GX_LOAD_INDX_A: //used for position matrices
- SWLoadIndexedXF(DataReadU32(), 0xC);
- break;
- case GX_LOAD_INDX_B: //used for normal matrices
- SWLoadIndexedXF(DataReadU32(), 0xD);
- break;
- case GX_LOAD_INDX_C: //used for postmatrices
- SWLoadIndexedXF(DataReadU32(), 0xE);
- break;
- case GX_LOAD_INDX_D: //used for lights
- SWLoadIndexedXF(DataReadU32(), 0xF);
- break;
-
- case GX_CMD_CALL_DL:
- {
- u32 dwAddr = DataReadU32();
- u32 dwCount = DataReadU32();
- ExecuteDisplayList(dwAddr, dwCount);
- }
- break;
-
- case 0x44:
- // zelda 4 swords calls it and checks the metrics registers after that
- break;
-
- case GX_CMD_INVL_VC:// Invalidate (vertex cache?)
- DEBUG_LOG(VIDEO, "Invalidate (vertex cache?)");
- break;
-
- case GX_LOAD_BP_REG: //0x61
- {
+ switch(Cmd)
+ {
+ case GX_NOP:
+ break;
+
+ case GX_LOAD_CP_REG: //0x08
+ {
+ u32 SubCmd = DataReadU8();
+ u32 Value = DataReadU32();
+ SWLoadCPReg(SubCmd, Value);
+ }
+ break;
+
+ case GX_LOAD_XF_REG:
+ {
+ u32 Cmd2 = DataReadU32();
+ streamSize = ((Cmd2 >> 16) & 15) + 1;
+ streamAddress = Cmd2 & 0xFFFF;
+ currentFunction = ReadXFData;
+ minCommandSize = streamSize * 4;
+ readOpcode = false;
+ }
+ break;
+
+ case GX_LOAD_INDX_A: //used for position matrices
+ SWLoadIndexedXF(DataReadU32(), 0xC);
+ break;
+ case GX_LOAD_INDX_B: //used for normal matrices
+ SWLoadIndexedXF(DataReadU32(), 0xD);
+ break;
+ case GX_LOAD_INDX_C: //used for postmatrices
+ SWLoadIndexedXF(DataReadU32(), 0xE);
+ break;
+ case GX_LOAD_INDX_D: //used for lights
+ SWLoadIndexedXF(DataReadU32(), 0xF);
+ break;
+
+ case GX_CMD_CALL_DL:
+ {
+ u32 dwAddr = DataReadU32();
+ u32 dwCount = DataReadU32();
+ ExecuteDisplayList(dwAddr, dwCount);
+ }
+ break;
+
+ case 0x44:
+ // zelda 4 swords calls it and checks the metrics registers after that
+ break;
+
+ case GX_CMD_INVL_VC:// Invalidate (vertex cache?)
+ DEBUG_LOG(VIDEO, "Invalidate (vertex cache?)");
+ break;
+
+ case GX_LOAD_BP_REG: //0x61
+ {
u32 cmd = DataReadU32();
- SWLoadBPReg(cmd);
- }
- break;
-
- // draw primitives
- default:
- if (Cmd & 0x80)
- {
+ SWLoadBPReg(cmd);
+ }
+ break;
+
+ // draw primitives
+ default:
+ if (Cmd & 0x80)
+ {
u8 vatIndex = Cmd & GX_VAT_MASK;
- u8 primitiveType = (Cmd & GX_PRIMITIVE_MASK) >> GX_PRIMITIVE_SHIFT;
- vertexLoader.SetFormat(vatIndex, primitiveType);
-
- // switch to primitive processing
- streamSize = DataReadU16();
- currentFunction = DecodePrimitiveStream;
- minCommandSize = vertexLoader.GetVertexSize();
- readOpcode = false;
-
- INCSTAT(swstats.thisFrame.numPrimatives);
- DEBUG_LOG(VIDEO, "Draw begin");
- }
- else
- {
- PanicAlert("GFX: Unknown Opcode (0x%x).\n", Cmd);
- break;
- }
- break;
- }
+ u8 primitiveType = (Cmd & GX_PRIMITIVE_MASK) >> GX_PRIMITIVE_SHIFT;
+ vertexLoader.SetFormat(vatIndex, primitiveType);
+
+ // switch to primitive processing
+ streamSize = DataReadU16();
+ currentFunction = DecodePrimitiveStream;
+ minCommandSize = vertexLoader.GetVertexSize();
+ readOpcode = false;
+
+ INCSTAT(swstats.thisFrame.numPrimatives);
+ DEBUG_LOG(VIDEO, "Draw begin");
+ }
+ else
+ {
+ PanicAlert("GFX: Unknown Opcode (0x%x).\n", Cmd);
+ break;
+ }
+ break;
+ }
}
void Init()
{
- inObjectStream = false;
- lastPrimCmd = 0;
- ResetDecoding();
+ inObjectStream = false;
+ lastPrimCmd = 0;
+ ResetDecoding();
}
void ResetDecoding()
{
- currentFunction = DecodeStandard;
- minCommandSize = 1;
- readOpcode = true;
+ currentFunction = DecodeStandard;
+ minCommandSize = 1;
+ readOpcode = true;
}
bool CommandRunnable(u32 iBufferSize)
{
- if (iBufferSize < minCommandSize)
- return false;
-
- if (readOpcode)
- {
- u8 Cmd = DataPeek8(0);
- u32 minSize = 1;
-
- switch(Cmd)
- {
- case GX_LOAD_CP_REG: //0x08
- minSize = 6;
- break;
-
- case GX_LOAD_XF_REG:
- minSize = 5;
- break;
-
- case GX_LOAD_INDX_A: //used for position matrices
- minSize = 5;
- break;
- case GX_LOAD_INDX_B: //used for normal matrices
- minSize = 5;
- break;
- case GX_LOAD_INDX_C: //used for postmatrices
- minSize = 5;
- break;
- case GX_LOAD_INDX_D: //used for lights
- minSize = 5;
- break;
-
- case GX_CMD_CALL_DL:
- minSize = 9;
- break;
-
- case GX_LOAD_BP_REG: //0x61
- minSize = 5;
- break;
-
- // draw primitives
- default:
- if (Cmd & 0x80)
- minSize = 3;
- break;
- }
-
- return (iBufferSize >= minSize);
- }
-
- return true;
+ if (iBufferSize < minCommandSize)
+ return false;
+
+ if (readOpcode)
+ {
+ u8 Cmd = DataPeek8(0);
+ u32 minSize = 1;
+
+ switch(Cmd)
+ {
+ case GX_LOAD_CP_REG: //0x08
+ minSize = 6;
+ break;
+
+ case GX_LOAD_XF_REG:
+ minSize = 5;
+ break;
+
+ case GX_LOAD_INDX_A: //used for position matrices
+ minSize = 5;
+ break;
+ case GX_LOAD_INDX_B: //used for normal matrices
+ minSize = 5;
+ break;
+ case GX_LOAD_INDX_C: //used for postmatrices
+ minSize = 5;
+ break;
+ case GX_LOAD_INDX_D: //used for lights
+ minSize = 5;
+ break;
+
+ case GX_CMD_CALL_DL:
+ minSize = 9;
+ break;
+
+ case GX_LOAD_BP_REG: //0x61
+ minSize = 5;
+ break;
+
+ // draw primitives
+ default:
+ if (Cmd & 0x80)
+ minSize = 3;
+ break;
+ }
+
+ return (iBufferSize >= minSize);
+ }
+
+ return true;
}
void Run(u32 iBufferSize)
{
- currentFunction(iBufferSize);
+ currentFunction(iBufferSize);
}
}