mirror of
https://github.com/italicsjenga/agb.git
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154 lines
3.1 KiB
C
154 lines
3.1 KiB
C
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/* Copyright (c) 2013-2015 Jeffrey Pfau
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef VIDEO_SOFTWARE_H
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#define VIDEO_SOFTWARE_H
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#include <mgba-util/common.h>
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CXX_GUARD_START
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#include <mgba/core/core.h>
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#include <mgba/gba/interface.h>
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#include <mgba/internal/gba/io.h>
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#include <mgba/internal/gba/renderers/common.h>
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#include <mgba/internal/gba/video.h>
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struct GBAVideoSoftwareBackground {
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unsigned index;
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int enabled;
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unsigned priority;
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uint32_t charBase;
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int mosaic;
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int multipalette;
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uint32_t screenBase;
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int overflow;
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int size;
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int target1;
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int target2;
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uint16_t x;
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uint16_t y;
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int32_t refx;
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int32_t refy;
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int16_t dx;
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int16_t dmx;
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int16_t dy;
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int16_t dmy;
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int32_t sx;
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int32_t sy;
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int yCache;
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uint16_t mapCache[64];
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int32_t offsetX;
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int32_t offsetY;
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bool highlight;
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};
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enum {
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OFFSET_PRIORITY = 30,
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OFFSET_INDEX = 28,
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};
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#define FLAG_PRIORITY 0xC0000000
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#define FLAG_INDEX 0x30000000
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#define FLAG_IS_BACKGROUND 0x08000000
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#define FLAG_UNWRITTEN 0xFC000000
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#define FLAG_REBLEND 0x04000000
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#define FLAG_TARGET_1 0x02000000
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#define FLAG_TARGET_2 0x01000000
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#define FLAG_OBJWIN 0x01000000
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#define FLAG_ORDER_MASK 0xF8000000
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#define IS_WRITABLE(PIXEL) ((PIXEL) & 0xFE000000)
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struct WindowControl {
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GBAWindowControl packed;
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int8_t priority;
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};
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#define MAX_WINDOW 5
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struct Window {
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uint8_t endX;
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struct WindowControl control;
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};
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struct GBAVideoSoftwareRenderer {
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struct GBAVideoRenderer d;
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color_t* outputBuffer;
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int outputBufferStride;
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uint32_t* temporaryBuffer;
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GBARegisterDISPCNT dispcnt;
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uint32_t row[GBA_VIDEO_HORIZONTAL_PIXELS];
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uint32_t spriteLayer[GBA_VIDEO_HORIZONTAL_PIXELS];
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int32_t spriteCyclesRemaining;
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// BLDCNT
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unsigned target1Obj;
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unsigned target1Bd;
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unsigned target2Obj;
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unsigned target2Bd;
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bool blendDirty;
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enum GBAVideoBlendEffect blendEffect;
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color_t normalPalette[512];
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color_t variantPalette[512];
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color_t highlightPalette[512];
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color_t highlightVariantPalette[512];
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uint16_t blda;
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uint16_t bldb;
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uint16_t bldy;
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GBAMosaicControl mosaic;
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bool greenswap;
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struct WindowN {
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struct GBAVideoWindowRegion h;
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struct GBAVideoWindowRegion v;
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struct WindowControl control;
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int16_t offsetX;
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int16_t offsetY;
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} winN[2];
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struct WindowControl winout;
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struct WindowControl objwin;
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struct WindowControl currentWindow;
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int nWindows;
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struct Window windows[MAX_WINDOW];
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struct GBAVideoSoftwareBackground bg[4];
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bool forceTarget1;
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bool oamDirty;
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int oamMax;
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struct GBAVideoRendererSprite sprites[128];
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int16_t objOffsetX;
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int16_t objOffsetY;
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uint32_t scanlineDirty[5];
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uint16_t nextIo[REG_SOUND1CNT_LO >> 1];
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struct ScanlineCache {
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uint16_t io[REG_SOUND1CNT_LO >> 1];
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int32_t scale[2][2];
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} cache[GBA_VIDEO_VERTICAL_PIXELS];
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int nextY;
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int start;
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int end;
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uint8_t lastHighlightAmount;
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};
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void GBAVideoSoftwareRendererCreate(struct GBAVideoSoftwareRenderer* renderer);
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CXX_GUARD_START
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#endif
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