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Add ability to convert to RGBA directly, if needed
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This commit is contained in:
Lorenzooone
2025-04-30 04:14:47 +02:00
parent 2404287c7c
commit 77872ecf56
10 changed files with 155 additions and 17 deletions
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80
source/conversions.cpp
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@@ -1075,3 +1075,83 @@ void manualConvertOutputToRGB(VideoOutputData* src, VideoOutputData* dst, size_t
break;
}
}
static void convert_rgb_to_rgba(VideoOutputData* src, VideoOutputData* dst, size_t pos_x_data, size_t pos_y_data, size_t width, size_t height) {
for (size_t i = 0; i < height; i++) {
for (size_t j = 0; j < width; j++) {
size_t pixel = ((height - 1 - i) * width) + (width - 1 - j) + pos_x_data + (pos_y_data * width);
uint8_t r = src->rgb_video_output_data.screen_data[pixel].r;
uint8_t g = src->rgb_video_output_data.screen_data[pixel].g;
uint8_t b = src->rgb_video_output_data.screen_data[pixel].b;
dst->rgba_video_output_data.screen_data[pixel].r = r;
dst->rgba_video_output_data.screen_data[pixel].g = g;
dst->rgba_video_output_data.screen_data[pixel].b = b;
dst->rgba_video_output_data.screen_data[pixel].alpha = 0xFF;
}
}
}
static void convert_rgb16_to_rgba(VideoOutputData* src, VideoOutputData* dst, size_t pos_x_data, size_t pos_y_data, size_t width, size_t height) {
for (size_t i = 0; i < height; i++) {
for (size_t j = 0; j < width; j++) {
size_t pixel = ((height - 1 - i) * width) + (width - 1 - j) + pos_x_data + (pos_y_data * width);
uint8_t r = to_8_bit_5(src->rgb16_video_output_data.screen_data[pixel].r);
uint8_t g = to_8_bit_6(src->rgb16_video_output_data.screen_data[pixel].g);
uint8_t b = to_8_bit_5(src->rgb16_video_output_data.screen_data[pixel].b);
dst->rgba_video_output_data.screen_data[pixel].r = r;
dst->rgba_video_output_data.screen_data[pixel].g = g;
dst->rgba_video_output_data.screen_data[pixel].b = b;
dst->rgba_video_output_data.screen_data[pixel].alpha = 0xFF;
}
}
}
static void convert_bgr_to_rgba(VideoOutputData* src, VideoOutputData* dst, size_t pos_x_data, size_t pos_y_data, size_t width, size_t height) {
for (size_t i = 0; i < height; i++) {
for (size_t j = 0; j < width; j++) {
size_t pixel = ((height - 1 - i) * width) + (width - 1 - j) + pos_x_data + (pos_y_data * width);
uint8_t r = src->bgr_video_output_data.screen_data[pixel].r;
uint8_t g = src->bgr_video_output_data.screen_data[pixel].g;
uint8_t b = src->bgr_video_output_data.screen_data[pixel].b;
dst->rgba_video_output_data.screen_data[pixel].r = r;
dst->rgba_video_output_data.screen_data[pixel].g = g;
dst->rgba_video_output_data.screen_data[pixel].b = b;
dst->rgba_video_output_data.screen_data[pixel].alpha = 0xFF;
}
}
}
static void convert_bgr16_to_rgba(VideoOutputData* src, VideoOutputData* dst, size_t pos_x_data, size_t pos_y_data, size_t width, size_t height) {
uint16_t* data_16_ptr = (uint16_t*)src;
for (size_t i = 0; i < height; i++) {
for (size_t j = 0; j < width; j++) {
size_t pixel = ((height - 1 - i) * width) + (width - 1 - j) + pos_x_data + (pos_y_data * width);
uint8_t r = to_8_bit_5(src->bgr16_video_output_data.screen_data[pixel].r);
uint8_t g = to_8_bit_6(src->bgr16_video_output_data.screen_data[pixel].g);
uint8_t b = to_8_bit_5(src->bgr16_video_output_data.screen_data[pixel].b);
dst->rgba_video_output_data.screen_data[pixel].r = r;
dst->rgba_video_output_data.screen_data[pixel].g = g;
dst->rgba_video_output_data.screen_data[pixel].b = b;
dst->rgba_video_output_data.screen_data[pixel].alpha = 0xFF;
}
}
}
void manualConvertOutputToRGBA(VideoOutputData* src, VideoOutputData* dst, size_t pos_x_data, size_t pos_y_data, size_t width, size_t height, InputVideoDataType video_data_type) {
switch (video_data_type) {
case VIDEO_DATA_RGB:
convert_rgb_to_rgba(src, dst, pos_x_data, pos_y_data, width, height);
break;
case VIDEO_DATA_RGB16:
convert_rgb16_to_rgba(src, dst, pos_x_data, pos_y_data, width, height);
break;
case VIDEO_DATA_BGR:
convert_bgr_to_rgba(src, dst, pos_x_data, pos_y_data, width, height);
break;
case VIDEO_DATA_BGR16:
convert_bgr16_to_rgba(src, dst, pos_x_data, pos_y_data, width, height);
break;
default:
break;
}
}