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GBA Video: Fix GL renderer

This commit is contained in:
Vicki Pfau 2019-09-28 16:09:52 -07:00
parent e654c188f9
commit dbdbcd1385
1 changed files with 7 additions and 1 deletions
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8
src/gba/renderers/gl.c
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@ -1356,7 +1356,13 @@ void GBAVideoGLRendererDrawScanline(struct GBAVideoRenderer* renderer, int y) {
for (i = 0; i < 25; ++i) {
if (!(glRenderer->vramDirty & (1 << i))) {
if (first >= 0) {
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 8 * first, 256, 8 * (i - first), GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, &glRenderer->d.vramBG[2048 * first]);
uint16_t* vram;
if (first < 16) {
vram = &glRenderer->d.vramBG[first >> 2][2048 * (first & 3)];
} else {
vram = &glRenderer->d.vramOBJ[(first - 16) >> 2][2048 * (first & 3)];
}
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 8 * first, 256, 8 * (i - first), GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, vram);
first = -1;
}
} else if (first < 0) {