vnc: Add a conversion function for bgr888.
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aceeecb192
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2 changed files with 36 additions and 2 deletions
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@ -52,8 +52,10 @@ VideoConvert::VideoConvert(Mode input_mode, Mode output_mode, int _width,
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: inputMode(input_mode), outputMode(output_mode), width(_width),
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height(_height)
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{
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if (inputMode != bgr565 && inputMode != rgb565 && inputMode != bgr8888)
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fatal("Only support converting from bgr565, rdb565, and bgr8888\n");
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if (inputMode != bgr565 && inputMode != rgb565 &&
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inputMode != bgr8888 && inputMode != bgr888)
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fatal("Only support converting from bgr565, rdb565, "
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"bgr8888 and bgr888\n");
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if (outputMode != rgb8888)
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fatal("Only support converting to rgb8888\n");
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@ -76,6 +78,8 @@ VideoConvert::convert(const uint8_t *fb) const
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return m565rgb8888(fb, false);
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case bgr8888:
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return bgr8888rgb8888(fb);
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case bgr888:
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return bgr888rgb8888(fb);
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default:
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panic("Unimplemented Mode\n");
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}
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@ -136,6 +140,29 @@ VideoConvert::bgr8888rgb8888(const uint8_t *fb) const
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return out;
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}
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uint8_t*
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VideoConvert::bgr888rgb8888(const uint8_t *fb) const
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{
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uint8_t *out = new uint8_t[area() * sizeof(uint32_t)];
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uint32_t *out32 = (uint32_t*)out;
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typedef uint8_t In24[3];
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const In24 *in24 = (In24 *)fb;
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for (int x = 0; x < area(); x++) {
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Rgb8888 outpx = 0;
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outpx.blue = in24[x][0];
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outpx.green = in24[x][1];
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outpx.red = in24[x][2];
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outpx.alpha = 0xFF;
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out32[x] = outpx;
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}
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return out;
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}
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/*
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uint64_t
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VideoConvert::getHash(const uint8_t *fb) const
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@ -133,6 +133,13 @@ class VideoConvert
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*/
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uint8_t* bgr8888rgb8888(const uint8_t *fb) const;
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/**
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* Convert a bgr888 input to rgb8888.
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* @param fb the data to convert
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* @return converted data
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*/
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uint8_t* bgr888rgb8888(const uint8_t *fb) const;
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/**
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* Convert a bgr565 or rgb565 input to rgb8888.
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* @param fb the data to convert
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