110 lines
2.8 KiB
C
110 lines
2.8 KiB
C
#ifndef __GFX_HEADER__
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#define __GFX_HEADER__
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/* *************************************
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* Includes
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* *************************************/
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#include "Global_Inc.h"
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#include "System.h"
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/* *************************************
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* Defines
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* *************************************/
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#define X_SCREEN_RESOLUTION 384
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#define Y_SCREEN_RESOLUTION 240
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#define VRAM_W 1024
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#define VRAM_H 512
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#define MAX_SIZE_FOR_GSSPRITE 256
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#define GFX_TPAGE_WIDTH 64
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#define GFX_TPAGE_HEIGHT 256
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#define GFX_1HZ_FLASH (1<<7)
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#define GFX_2HZ_FLASH (1<<8)
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#define FULL_LUMINANCE 0xFF
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/* *************************************
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* Global prototypes
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* *************************************/
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void GfxInitDrawEnv(void);
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void GfxInitDispEnv(void);
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void GfxSetPrimitiveList(void);
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// Renders new scene. Use this function unless you know what you are doing!
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void GfxDrawScene(void);
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// Blocking version. Calls GfxDrawScene() and then adds a while(GfxIsBusy() )
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// after it.
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void GfxDrawScene_Slow(void);
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void GfxDrawScene_NoSwap(void);
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void GfxSwapBuffers(void);
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// Only renders screen and does not update any pad data or timer data.
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// To be used in ISR!
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void GfxDrawScene_Fast(void);
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// Repotedly, tells is GPU is ready for a DMA transfer.
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bool GfxReadyForDMATransfer(void);
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// Fills a GsSprite structure with information from a TIM file.
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bool GfxSpriteFromFile(char* fname, GsSprite * spr);
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// Reportedly, loads CLUT data from a TIM image (image data is discarded)
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bool GfxCLUTFromFile(char* fname);
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// Returns true if current object is within screen limits, false otherwise.
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bool GfxIsInsideScreenArea(short x, short y, short w, short h);
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// Function overload for GsSprite structures.
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bool GfxIsSpriteInsideScreenArea(GsSprite * spr);
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// Used to know whether GPU operation can be done.
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bool GfxIsGPUBusy(void);
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// Draws a sprite on screen. First, it checks whether sprite is inside
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// screen limits.
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void GfxSortSprite(GsSprite * spr);
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uint8_t GfxGetGlobalLuminance(void);
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void GfxSetGlobalLuminance(uint8_t value);
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void GfxIncreaseGlobalLuminance(int8_t step);
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void GfxButtonSetFlags(uint8_t flags);
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void GfxButtonRemoveFlags(uint8_t flags);
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int GfxRotateFromDegrees(int deg);
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void GfxDrawButton(short x, short y, unsigned short btn);
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// Sends current display data on a specific VRAM section and fills
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// sprite structure pointed to by "spr".
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void GfxSaveDisplayData(GsSprite *spr);
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// Fills GsSprite structure pointed to by "spr" with texture page and U/V
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// offset data given a position in VRAM.
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bool GfxTPageOffsetFromVRAMPosition(GsSprite * spr, short x, short y);
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void GfxSetSplitScreen(uint8_t playerIndex);
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void GfxDisableSplitScreen(void);
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void GfxDrawScene_NoSwap(void);
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void GfxDevMenuEnable(void);
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/* *************************************
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* Global variables
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* *************************************/
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extern GsSprite PSXButtons;
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#endif //__GFX_HEADER__
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