mirror of https://github.com/mgba-emu/mgba.git
GBA Video: Batch VRAM upload
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@ -994,13 +994,17 @@ void GBAVideoGLRendererDrawScanline(struct GBAVideoRenderer* renderer, int y) {
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glRenderer->paletteDirty = false;
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}
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int i;
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for (i = 0; i < 24; ++i) {
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int first = -1;
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glBindTexture(GL_TEXTURE_2D, glRenderer->vramTex);
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for (i = 0; i < 25; ++i) {
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if (!(glRenderer->vramDirty & (1 << i))) {
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continue;
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if (first >= 0) {
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glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 8 * first, 256, 8 * (i - first), GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, &glRenderer->d.vram[2048 * first]);
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first = -1;
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}
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} else if (first < 0) {
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first = i;
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}
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// TODO: PBOs
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glBindTexture(GL_TEXTURE_2D, glRenderer->vramTex);
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glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 8 * i, 256, 8, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, &glRenderer->d.vram[2048 * i]);
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}
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glRenderer->vramDirty = 0;
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