--- /dev/null
+/******************************************************************************
+ * Arachnoid Graphics Plugin for Mupen64Plus
+ * http://bitbucket.org/wahrhaft/mupen64plus-video-arachnoid/
+ *
+ * Copyright (C) 2007 Kristofer Karlsson, Rickard Niklasson
+ *
+ * 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; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * 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 for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *****************************************************************************/
+
+#ifndef REALITY_SIGNAL_PROCESSOR_H_
+#define REALITY_SIGNAL_PROCESSOR_H_
+
+#define M64P_PLUGIN_PROTOTYPES 1
+#include "m64p_plugin.h"
+#include "UCodeDefs.h"
+#include "RSPMatrixManager.h"
+#include "RSPVertexManager.h"
+#include "Matrix4.h"
+
+//Forward declarations
+class VI;
+struct RDPTile;
+class RDP;
+class Memory;
+class DisplayListParser;
+class RSPLightManager;
+class FogManager;
+
+//-----------------------------------------------------------------------------
+// Defines
+//-----------------------------------------------------------------------------
+
+#define RSP_1ST 0xBF
+#define RSP_TRI1 (RSP_1ST-0)
+#define RSP_CULLDL (RSP_1ST-1)
+#define RSP_POPMTX (RSP_1ST-2)
+#define RSP_MOVEWORD (RSP_1ST-3)
+#define RSP_TEXTURE (RSP_1ST-4)
+#define RSP_SETOTHERMODE_H (RSP_1ST-5)
+#define RSP_SETOTHERMODE_L (RSP_1ST-6)
+#define RSP_ENDDL (RSP_1ST-7)
+#define RSP_SETGEOMETRYMODE (RSP_1ST-8)
+#define RSP_CLEARGEOMETRYMODE (RSP_1ST-9)
+#define RSP_LINE3D (RSP_1ST-10)
+#define RSP_RDPHALF_1 (RSP_1ST-11)
+#define RSP_RDPHALF_2 (RSP_1ST-12)
+#define RSP_RDPHALF_CONT (RSP_1ST-13)
+
+#define RSP_MODIFYVTX (RSP_1ST-13)
+#define RSP_TRI2 (RSP_1ST-14)
+#define RSP_BRANCH_Z (RSP_1ST-15)
+#define RSP_LOAD_UCODE (RSP_1ST-16)
+
+#define RSP_SPRITE2D_SCALEFLIP (RSP_1ST-1)
+#define RSP_SPRITE2D_DRAW (RSP_1ST-2)
+
+// flags to inhibit pushing of the display list (on branch)
+#define RSP_DLIST_PUSH 0x00
+#define RSP_DLIST_NOPUSH 0x01
+
+//-----------------------------------------------------------------------------
+//! Viewport
+//-----------------------------------------------------------------------------
+struct Viewport
+{
+ float vscale[4];
+ float vtrans[4];
+ float x, y, width, height;
+ float nearz, farz;
+};
+
+
+//-----------------------------------------------------------------------------
+//! Struct used to store Information about Background Image
+//-----------------------------------------------------------------------------
+struct BGImageInfo
+{
+ unsigned int address; //!< Where texture is stored (in RDRAM)
+ unsigned int width; //!< Width of texture
+ unsigned int height; //!< Height of texture
+ unsigned int format; //!< Format of texture
+ unsigned int size; //!< Size of texture
+ unsigned int palette; //!< What Texture Lookup Table to use
+};
+
+//-----------------------------------------------------------------------------
+//* RSPTexture
+//! Struct used to store information about current texture on rsp
+//-----------------------------------------------------------------------------
+struct RSPTexture
+{
+ float scaleS, scaleT;
+ int level, on, tile;
+};
+
+//-----------------------------------------------------------------------------
+//! Singnal Processor Triangle
+//-----------------------------------------------------------------------------
+typedef SPVertex SPTriangle[3];
+
+//*****************************************************************************
+//* RSP
+//! Class for emulating the Reality Signal Processor
+//*****************************************************************************
+class RSP
+{
+public:
+ //Constructor
+ RSP();
+ //Destructor
+ ~RSP();
+
+ //Initialize
+ bool initialize(GFX_INFO* graphicsInfo, RDP* rdp, Memory* memory, VI* vi, DisplayListParser* displayListParser, FogManager* fogMgr);
+ void dispose();
+ void reset();
+
+ void updateGeometryStates();
+
+ //Trigger Interrupt
+ void triggerInterrupt();
+
+ void moveSegment(int segmentID, int value);
+
+ void moveMemViewport(unsigned int segmentAddress);
+
+ RDPTile* getTile(int tile) { return m_textureTiles[tile]; }
+ void setTile(RDPTile* tile, int index) { m_textureTiles[index] = tile; }
+ RSPTexture& getTexture() { return m_texture; }
+ bool getTexturesChanged() { return m_texturesChanged; }
+ void setTexturesChanged(bool changed) { m_texturesChanged = changed; }
+
+ RSPMatrixManager* getMatrixMgr() { return m_matrixMgr; }
+ RSPVertexManager* getVertexMgr() { return m_vertexMgr; }
+
+public:
+
+ //Matrix
+ void RSP_Matrix( unsigned int segmentAddress, bool projectionMatrix, bool push, bool replace );
+ void RSP_PopMatrix();
+ void RSP_PopMatrixN(unsigned int num);
+ void RSP_InsertMatrix(unsigned int where, unsigned int num);
+ void RSP_DMAMatrix( unsigned int matrix, unsigned char index, unsigned char multiply );
+ void RSP_ForceMatrix( unsigned int segmentAddress );
+ void RSP_LookAt( unsigned int l );
+ void RSP_PerspNormalize( unsigned short scale );
+
+ //Display List
+ void RSP_DisplayList(unsigned int segmentAddress);
+ void RSP_DMADisplayList( unsigned int w0, unsigned int w1 );
+ void RSP_CullDisplayList( unsigned int v0, unsigned int vn );
+ void RSP_BranchList( unsigned int dl );
+ void RSP_BranchLessZ( unsigned int branchdl, unsigned int vtx, float zval );
+ void RSP_EndDisplayList();
+
+ //Light
+ void RSP_Light( unsigned int lightIndex, unsigned int segmentAddress );
+ void RSP_NumLights( int n );
+ void RSP_LightColor( unsigned int lightIndex, unsigned int packedColor );
+
+ //Vertices
+ void RSP_Vertex(unsigned int segmentAddress, unsigned int numVertices, unsigned int firstVertexIndex);
+ void RSP_CIVertex(unsigned int segmentAddress, unsigned int numVertices, unsigned int firstVertexIndex);
+ void RSP_ModifyVertex( unsigned int vtx, unsigned int where, unsigned int val );
+ void RSP_SetVertexColor( unsigned int vtx, float r, float g, float b, float a);
+ void RSP_SetVertexTexCoord( unsigned int vtx, float s, float t);
+
+ void RSP_DMAVertex( unsigned int v, unsigned int n, unsigned int v0 );
+ void RSP_SetDMAOffsets( unsigned int mtxoffset, unsigned int vtxoffset );
+ void RSP_SetVertexColorBase(unsigned int segmentAddress);
+
+ //Indices
+ void RSP_1Triangle( int v00, int v01, int v02 );
+ void RSP_2Triangles( int v00, int v01, int v02, int flag0,
+ int v10, int v11, int v12, int flag1 );
+ void RSP_4Triangles( int v00, int v01, int v02,
+ int v10, int v11, int v12,
+ int v20, int v21, int v22,
+ int v30, int v31, int v32 );
+ void RSP_DMATriangles( unsigned int tris, unsigned int n );
+ void RSP_1Quadrangle( int v0, int v1, int v2, int v4 );
+
+ //Object
+ void RSP_ObjRectangle( unsigned int sp );
+ void RSP_ObjSprite( unsigned int sp );
+ void RSP_ObjLoadTxtr( unsigned int tx );
+ void RSP_ObjLoadTxSprite( unsigned int txsp );
+ void RSP_ObjLoadTxRectR( unsigned int txsp );
+ void RSP_ObjMatrix( unsigned int mtx );
+ void RSP_ObjSubMatrix( unsigned int mtx );
+
+ //Rendering
+ void RSP_Line3D( int v0, int v1, int flag );
+ void RSP_LineW3D( int v0, int v1, int wd, int flag );
+ void RSP_BgRect1Cyc( unsigned int bg );
+ void RSP_BgRectCopy( unsigned int bg );
+ void RSP_Sprite2DBase( unsigned int base );
+
+ //States
+ void RSP_GeometryMode( unsigned int clear, unsigned int set );
+ void RSP_SetGeometryMode( unsigned int mode );
+ void RSP_ClearGeometryMode( unsigned int mode );
+
+ //Clipping
+ void RSP_ClipRatio( unsigned int r );
+
+ //Texturing
+ void RSP_Texture( float sc, float tc, int level, int tile, int on );
+
+ //Fog
+ void RSP_FogFactor( short fm, short fo );
+
+ //UCode
+ void RSP_LoadUcodeEx( unsigned int uc_start, unsigned int uc_dstart, unsigned short uc_dsize );
+
+private:
+
+ //Pointers to big objects and managers
+ GFX_INFO* m_graphicsInfo; //!< Access to emulator data (like RDRAM ...)
+ VI* m_vi; //!< Videointerface
+ Memory* m_memory; //!< Memory managers (handles RDRAM, Texture Memory...)
+ DisplayListParser* m_displayListParser; //!< Display list parser
+ FogManager* m_fogMgr; //!< Manager that handles fog
+ RDP* m_rdp; //!< Pointer to Reality Drawing Processor
+
+ //Helper managers
+ RSPMatrixManager* m_matrixMgr; //!< Handles matrix stack
+ RSPVertexManager* m_vertexMgr; //!< Vertex Manager, processes and modifies vertices
+ RSPLightManager* m_lightMgr; //!< Light Manager, handles lights
+
+ //Geometry Mode
+ unsigned int m_geometryMode; //!< Contains states (lighting, shading, culling...)
+
+ //Textures
+ RSPTexture m_texture;
+ RDPTile* m_textureTiles[2];
+ bool m_texturesChanged;
+
+ //Viewport
+ Viewport m_viewport;
+
+};
+
+#endif
notaz.gp2x.de / mupen64plus-pandora.git / blobdiff