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GPU: 

- Cleanup and optimize OAM attributes handling. (Special thanks to Twinaphex from libretro for pointing this out to us.)
- Add SSE2 optimizations to display capture operations.
- Do a whole bunch more code cleanup.
This commit is contained in:
rogerman 2015-08-09 04:32:53 +00:00
parent a30ca9e350
commit 8e3ff3c708
2 changed files with 583 additions and 285 deletions
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748
desmume/src/GPU.cpp
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120
desmume/src/GPU.h
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@ -35,6 +35,8 @@ struct MMU_struct;
#define GPU_FRAMEBUFFER_NATIVE_WIDTH 256
#define GPU_FRAMEBUFFER_NATIVE_HEIGHT 192
#define GPU_VRAM_BLOCK_LINES 256
void gpu_savestate(EMUFILE* os);
bool gpu_loadstate(EMUFILE* is, int size);
@ -43,7 +45,7 @@ bool gpu_loadstate(EMUFILE* is, int size);
it holds flags for general display
*******************************************************************************/
#ifdef WORDS_BIGENDIAN
#ifdef LOCAL_BE
struct _DISPCNT
{
/* 7*/ u8 ForceBlank:1; // A+B:
@ -143,7 +145,7 @@ enum BlendFunc
some flags indicate special drawing mode, size, FX
*******************************************************************************/
#ifdef WORDS_BIGENDIAN
#ifdef LOCAL_BE
struct _BGxCNT
{
/* 7*/ u8 Palette_256:1; // 0=16x16, 1=1*256 palette
@ -229,7 +231,7 @@ typedef union {
u16 val;
} WINxDIM;
#ifdef WORDS_BIGENDIAN
#ifdef LOCAL_BE
typedef struct {
/* 6*/ u8 :2;
/* 5*/ u8 WINx_Effect_Enable:1;
@ -251,7 +253,7 @@ typedef struct {
} WINxBIT;
#endif
#ifdef WORDS_BIGENDIAN
#ifdef LOCAL_BE
typedef union {
struct {
WINxBIT win0;
@ -395,13 +397,6 @@ typedef struct _reg_dispx {
u32 dispA_DISPMMEMFIFO; // 0x04000068
} REG_DISPx ;
typedef BOOL (*fun_gl_Begin) (int screen);
typedef void (*fun_gl_End) (int screen);
// the GUI should use this function prior to all gl calls
// if call to beg succeeds opengl draw
void register_gl_fun(fun_gl_Begin beg,fun_gl_End end);
enum GPUCoreID
{
GPUCOREID_MAIN = 0,
@ -422,7 +417,7 @@ enum GPUCoreID
#define ADDRESS_STEP_512KB 0x80000
#define ADDRESS_MASK_256KB (ADDRESS_STEP_256KB-1)
#ifdef WORDS_BIGENDIAN
#ifdef LOCAL_BE
struct _TILEENTRY
{
/*14*/ unsigned Palette:4;
@ -466,7 +461,7 @@ typedef union
*/
struct _COLOR { // abgr x555
#ifdef WORDS_BIGENDIAN
#ifdef LOCAL_BE
unsigned alpha:1; // sometimes it is unused (pad)
unsigned blue:5;
unsigned green:5;
@ -525,30 +520,62 @@ enum GPU_OBJ_MODE
GPU_OBJ_MODE_Bitmap = 3
};
struct _OAM_
typedef union
{
//attr0
u8 Y;
u8 RotScale;
u8 Mode;
u8 Mosaic;
u8 Depth;
u8 Shape;
//att1
s16 X;
u8 RotScalIndex;
u8 HFlip, VFlip;
u8 Size;
//attr2
u16 TileIndex;
u8 Priority;
u8 PaletteIndex;
//attr3
u16 attr3;
};
void SlurpOAM(_OAM_ *oam_output, void *oam_buffer, const size_t oam_index);
u16 SlurpOAMAffineParam(void *oam_buffer, const size_t oam_index);
u16 attr[4];
struct
{
#ifdef LOCAL_BE
//attr0
unsigned Shape:2;
unsigned Depth:1;
unsigned Mosaic:1;
unsigned Mode:2;
unsigned RotScale:2;
unsigned Y:8;
//attr1
unsigned Size:2;
unsigned VFlip:1;
unsigned HFlip:1;
unsigned RotScalIndex:3;
signed X:9;
//attr2
unsigned PaletteIndex:4;
unsigned Priority:2;
unsigned TileIndex:10;
//attr3
unsigned attr3:16; // Whenever this is used, you will need to explicitly convert endianness.
#else
//attr0
unsigned Y:8;
unsigned RotScale:2;
unsigned Mode:2;
unsigned Mosaic:1;
unsigned Depth:1;
unsigned Shape:2;
//attr1
signed X:9;
unsigned RotScalIndex:3;
unsigned HFlip:1;
unsigned VFlip:1;
unsigned Size:2;
//attr2
unsigned TileIndex:10;
unsigned Priority:2;
unsigned PaletteIndex:4;
//attr3
unsigned attr3:16; // Whenever this is used, you will need to explicitly convert endianness.
#endif
};
} OAMAttributes;
typedef struct
{
@ -584,8 +611,15 @@ typedef struct
enum BGType
{
BGType_Invalid=0, BGType_Text=1, BGType_Affine=2, BGType_Large8bpp=3,
BGType_AffineExt=4, BGType_AffineExt_256x16=5, BGType_AffineExt_256x1=6, BGType_AffineExt_Direct=7
BGType_Invalid = 0,
BGType_Text = 1,
BGType_Affine = 2,
BGType_Large8bpp = 3,
BGType_AffineExt = 4,
BGType_AffineExt_256x16 = 5,
BGType_AffineExt_256x1 = 6,
BGType_AffineExt_Direct = 7
};
enum GPUDisplayMode
@ -665,7 +699,7 @@ struct GPU
template<size_t WIN_NUM> void update_winh();
template<size_t WIN_NUM> void setup_windows();
GPUCoreID core;
GPUDisplayMode dispMode;
u8 vramBlock;
@ -675,9 +709,9 @@ struct GPU
u8 bgPrio[5];
BOOL bg0HasHighestPrio;
bool bg0HasHighestPrio;
void *oam;
OAMAttributes *oamList;
u32 sprMem;
u8 sprBoundary;
u8 sprBMPBoundary;
@ -790,9 +824,6 @@ struct GPU
template<bool MOSAIC, bool BACKDROP> FORCEINLINE void __setFinalColorBck(u16 color, const size_t srcX, const bool opaque);
template<bool MOSAIC, bool BACKDROP, int FUNCNUM> FORCEINLINE void ___setFinalColorBck(u16 color, const size_t srcX, const bool opaque);
template<bool MOSAIC, bool BACKDROP> FORCEINLINE void __setFinalColorBckExtended(u16 color, const size_t srcX, const bool opaque);
template<bool MOSAIC, bool BACKDROP, int FUNCNUM> FORCEINLINE void ___setFinalColorBckExtended(u16 color, const size_t srcX, const bool opaque);
void setAffineStart(const size_t layer, int xy, u32 val);
void setAffineStartWord(const size_t layer, int xy, u16 val, int word);
u32 getAffineStart(const size_t layer, int xy);
@ -844,6 +875,7 @@ void GPU_DeInit(GPU *gpu);
size_t GPU_GetFramebufferWidth();
size_t GPU_GetFramebufferHeight();
void GPU_SetFramebufferSize(size_t w, size_t h);
bool GPU_IsFramebufferNativeSize();
//these are functions used by debug tools which want to render layers etc outside the context of the emulation
namespace GPU_EXT