kopia lustrzana https://github.com/pimoroni/pimoroni-pico
PicoVector: Fix bug in RGB888 blend.
Move the source pen out for a tiny performance boost.pull/1019/head
rodzic
7a894dc512
commit
8117066bb5
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@ -37,11 +37,16 @@ namespace pimoroni {
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}
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}
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bool PicoGraphics_PenRGB888::render_tile(const Tile *tile) {
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// Unpack our pen colour
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uint32_t sr = (color >> 16) & 0xff;
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uint32_t sg = (color >> 8) & 0xff;
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uint32_t sb = (color >> 0) & 0xff;
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for(int y = 0; y < tile->h; y++) {
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uint8_t *p_alpha = &tile->data[(y * tile->stride)];
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uint32_t *p_dest = &((uint32_t *)frame_buffer)[tile->x + ((tile->y + y) * bounds.w)];
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for(int x = 0; x < tile->w; x++) {
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uint16_t dest = *p_dest;
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uint32_t dest = *p_dest;
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uint8_t alpha = *p_alpha;
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// TODO: Alpha blending
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@ -49,11 +54,7 @@ namespace pimoroni {
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*p_dest = color;
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}else if(alpha == 0) {
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} else {
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// blend tha pixel
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uint32_t sr = (color >> 16) & 0xff;
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uint32_t sg = (color >> 8) & 0xff;
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uint32_t sb = (color >> 0) & 0xff;
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// blend the pixel
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uint32_t dr = (dest >> 16) & 0xff;
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uint32_t dg = (dest >> 8) & 0xff;
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uint32_t db = (dest >> 0) & 0xff;
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