ShuriZma
/
mgba
mirror of https://github.com/mgba-emu/mgba.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

GB Video: Clear screen when LCDC is off

This commit is contained in:
Jeffrey Pfau 2016-09-21 14:34:50 -07:00
parent 7ef68dab57
commit 0fccc1596d
2 changed files with 30 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
CHANGES
View File

@ -8,6 +8,7 @@ Bugfixes:
- FFmpeg: Fix encoding AAC
- GB Video: Fix video frames getting missed when LCDC is off
- LR35902: Fix events running with the wrong cycle active
- GB Video: Clear screen when LCDC is off
Misc:
- All: Only update version info if needed
- FFmpeg: Encoding cleanup

37
src/gb/renderers/software.c
View File

@ -21,6 +21,31 @@ static void GBVideoSoftwareRendererPutPixels(struct GBVideoRenderer* renderer, s
static void GBVideoSoftwareRendererDrawBackground(struct GBVideoSoftwareRenderer* renderer, uint8_t* maps, int startX, int endX, int sx, int sy);
static void GBVideoSoftwareRendererDrawObj(struct GBVideoSoftwareRenderer* renderer, struct GBObj* obj, int startX, int endX, int y);
static void _clearScreen(struct GBVideoSoftwareRenderer* renderer) {
// TODO: Dynamic from dmgPalette
#ifdef COLOR_16_BIT
#ifdef COLOR_5_6_5
color_t palette0 = 0xFFDF;
#else
color_t palette0 = 0x7FFF;
#endif
#else
color_t palette0 = 0xF8F8F8;
#endif
int y;
for (y = 0; y < GB_VIDEO_VERTICAL_PIXELS; ++y) {
color_t* row = &renderer->outputBuffer[renderer->outputBufferStride * y];
int x;
for (x = 0; x < GB_VIDEO_HORIZONTAL_PIXELS; x += 4) {
row[x + 0] = palette0;
row[x + 1] = palette0;
row[x + 2] = palette0;
row[x + 3] = palette0;
}
}
}
void GBVideoSoftwareRendererCreate(struct GBVideoSoftwareRenderer* renderer) {
renderer->d.init = GBVideoSoftwareRendererInit;
renderer->d.deinit = GBVideoSoftwareRendererDeinit;
@ -44,14 +69,7 @@ static void GBVideoSoftwareRendererInit(struct GBVideoRenderer* renderer, enum G
softwareRenderer->wx = 0;
softwareRenderer->model = model;
int y;
for (y = 0; y < GB_VIDEO_VERTICAL_PIXELS; ++y) {
color_t* row = &softwareRenderer->outputBuffer[softwareRenderer->outputBufferStride * y];
int x;
for (x = 0; x < GB_VIDEO_HORIZONTAL_PIXELS; ++x) {
row[x] = softwareRenderer->palette[0];
}
}
_clearScreen(softwareRenderer);
}
static void GBVideoSoftwareRendererDeinit(struct GBVideoRenderer* renderer) {
@ -63,6 +81,9 @@ static uint8_t GBVideoSoftwareRendererWriteVideoRegister(struct GBVideoRenderer*
struct GBVideoSoftwareRenderer* softwareRenderer = (struct GBVideoSoftwareRenderer*) renderer;
switch (address) {
case REG_LCDC:
if (GBRegisterLCDCIsEnable(softwareRenderer->lcdc) && !GBRegisterLCDCIsEnable(value)) {
_clearScreen(softwareRenderer);
}
softwareRenderer->lcdc = value;
break;
case REG_SCY: