Daily update on 20250721-223448 by Nitload Youmu. Additional Message : Rename StgSHarp.C to StgSharp.Native. Add SDL to repo.
Signed-off-by: Nitload <YoumuLiu_NSI@whv0t.onmicrosoft.com>
This commit is contained in:
Nitload
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// Copyright 2016 Adrien Descamps
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// Distributed under BSD 3-Clause License
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/* You need to define the following macros before including this file:
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STD_FUNCTION_NAME
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YUV_FORMAT
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RGB_FORMAT
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*/
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#if RGB_FORMAT == RGB_FORMAT_RGB565
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#define PACK_PIXEL(rgb_ptr) \
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*(Uint16 *)rgb_ptr = \
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((((Uint16)clampU8(y_tmp+r_tmp)) << 8 ) & 0xF800) | \
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((((Uint16)clampU8(y_tmp+g_tmp)) << 3) & 0x07E0) | \
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(((Uint16)clampU8(y_tmp+b_tmp)) >> 3); \
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rgb_ptr += 2; \
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#elif RGB_FORMAT == RGB_FORMAT_RGB24
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#define PACK_PIXEL(rgb_ptr) \
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rgb_ptr[0] = clampU8(y_tmp+r_tmp); \
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rgb_ptr[1] = clampU8(y_tmp+g_tmp); \
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rgb_ptr[2] = clampU8(y_tmp+b_tmp); \
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rgb_ptr += 3; \
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#elif RGB_FORMAT == RGB_FORMAT_RGBA
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#define PACK_PIXEL(rgb_ptr) \
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*(Uint32 *)rgb_ptr = \
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(((Uint32)clampU8(y_tmp+r_tmp)) << 24) | \
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(((Uint32)clampU8(y_tmp+g_tmp)) << 16) | \
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(((Uint32)clampU8(y_tmp+b_tmp)) << 8) | \
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0x000000FF; \
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rgb_ptr += 4; \
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#elif RGB_FORMAT == RGB_FORMAT_BGRA
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#define PACK_PIXEL(rgb_ptr) \
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*(Uint32 *)rgb_ptr = \
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(((Uint32)clampU8(y_tmp+b_tmp)) << 24) | \
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(((Uint32)clampU8(y_tmp+g_tmp)) << 16) | \
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(((Uint32)clampU8(y_tmp+r_tmp)) << 8) | \
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0x000000FF; \
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rgb_ptr += 4; \
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#elif RGB_FORMAT == RGB_FORMAT_ARGB
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#define PACK_PIXEL(rgb_ptr) \
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*(Uint32 *)rgb_ptr = \
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0xFF000000 | \
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(((Uint32)clampU8(y_tmp+r_tmp)) << 16) | \
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(((Uint32)clampU8(y_tmp+g_tmp)) << 8) | \
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(((Uint32)clampU8(y_tmp+b_tmp)) << 0); \
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rgb_ptr += 4; \
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#elif RGB_FORMAT == RGB_FORMAT_ABGR
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#define PACK_PIXEL(rgb_ptr) \
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*(Uint32 *)rgb_ptr = \
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0xFF000000 | \
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(((Uint32)clampU8(y_tmp+b_tmp)) << 16) | \
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(((Uint32)clampU8(y_tmp+g_tmp)) << 8) | \
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(((Uint32)clampU8(y_tmp+r_tmp)) << 0); \
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rgb_ptr += 4; \
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#elif RGB_FORMAT == RGB_FORMAT_XBGR2101010
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#define PACK_PIXEL(rgb_ptr) \
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*(Uint32 *)rgb_ptr = \
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0xC0000000 | \
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(((Uint32)clamp10(y_tmp+b_tmp)) << 20) | \
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(((Uint32)clamp10(y_tmp+g_tmp)) << 10) | \
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(((Uint32)clamp10(y_tmp+r_tmp)) << 0); \
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rgb_ptr += 4; \
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#else
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#error PACK_PIXEL unimplemented
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#endif
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#ifdef _MSC_VER /* Visual Studio analyzer can't tell that we're building this with different constants */
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#pragma warning(push)
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#pragma warning(disable : 6239)
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#endif
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#undef YUV_TYPE
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#if YUV_BITS > 8
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#define YUV_TYPE uint16_t
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#else
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#define YUV_TYPE uint8_t
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#endif
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#undef UV_OFFSET
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#define UV_OFFSET (1 << ((YUV_BITS)-1))
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#undef GET
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#if YUV_BITS == 10
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#define GET(X) ((X) >> 6)
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#else
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#define GET(X) (X)
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#endif
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void STD_FUNCTION_NAME(
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uint32_t width, uint32_t height,
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const YUV_TYPE *Y, const YUV_TYPE *U, const YUV_TYPE *V, uint32_t Y_stride, uint32_t UV_stride,
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uint8_t *RGB, uint32_t RGB_stride,
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YCbCrType yuv_type)
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{
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const YUV2RGBParam *const param = &(YUV2RGB[yuv_type]);
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#if YUV_FORMAT == YUV_FORMAT_420
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#define y_pixel_stride 1
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#define uv_pixel_stride 1
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#define uv_x_sample_interval 2
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#define uv_y_sample_interval 2
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#elif YUV_FORMAT == YUV_FORMAT_422
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#define y_pixel_stride 2
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#define uv_pixel_stride 4
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#define uv_x_sample_interval 2
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#define uv_y_sample_interval 1
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#elif YUV_FORMAT == YUV_FORMAT_NV12
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#define y_pixel_stride 1
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#define uv_pixel_stride 2
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#define uv_x_sample_interval 2
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#define uv_y_sample_interval 2
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#endif
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Y_stride /= sizeof(YUV_TYPE);
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UV_stride /= sizeof(YUV_TYPE);
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uint32_t x, y;
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for(y=0; y<(height-(uv_y_sample_interval-1)); y+=uv_y_sample_interval)
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{
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const YUV_TYPE *y_ptr1=Y+y*Y_stride,
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*u_ptr=U+(y/uv_y_sample_interval)*UV_stride,
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*v_ptr=V+(y/uv_y_sample_interval)*UV_stride;
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#if uv_y_sample_interval > 1
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const YUV_TYPE *y_ptr2=Y+(y+1)*Y_stride;
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#endif
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uint8_t *rgb_ptr1=RGB+y*RGB_stride;
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#if uv_y_sample_interval > 1
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uint8_t *rgb_ptr2=RGB+(y+1)*RGB_stride;
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#endif
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for(x=0; x<(width-(uv_x_sample_interval-1)); x+=uv_x_sample_interval)
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{
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// Compute U and V contributions, common to the four pixels
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int32_t u_tmp = (GET(*u_ptr)-UV_OFFSET);
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int32_t v_tmp = (GET(*v_ptr)-UV_OFFSET);
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int32_t r_tmp = (v_tmp*param->v_r_factor);
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int32_t g_tmp = (u_tmp*param->u_g_factor + v_tmp*param->v_g_factor);
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int32_t b_tmp = (u_tmp*param->u_b_factor);
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// Compute the Y contribution for each pixel
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int32_t y_tmp = (GET(y_ptr1[0]-param->y_shift)*param->y_factor);
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PACK_PIXEL(rgb_ptr1);
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y_tmp = (GET(y_ptr1[y_pixel_stride]-param->y_shift)*param->y_factor);
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PACK_PIXEL(rgb_ptr1);
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#if uv_y_sample_interval > 1
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y_tmp = (GET(y_ptr2[0]-param->y_shift)*param->y_factor);
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PACK_PIXEL(rgb_ptr2);
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y_tmp = (GET(y_ptr2[y_pixel_stride]-param->y_shift)*param->y_factor);
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PACK_PIXEL(rgb_ptr2);
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#endif
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y_ptr1+=2*y_pixel_stride;
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#if uv_y_sample_interval > 1
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y_ptr2+=2*y_pixel_stride;
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#endif
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u_ptr+=2*uv_pixel_stride/uv_x_sample_interval;
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v_ptr+=2*uv_pixel_stride/uv_x_sample_interval;
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}
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/* Catch the last pixel, if needed */
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if (uv_x_sample_interval == 2 && x == (width-1))
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{
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// Compute U and V contributions, common to the four pixels
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int32_t u_tmp = (GET(*u_ptr)-UV_OFFSET);
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int32_t v_tmp = (GET(*v_ptr)-UV_OFFSET);
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int32_t r_tmp = (v_tmp*param->v_r_factor);
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int32_t g_tmp = (u_tmp*param->u_g_factor + v_tmp*param->v_g_factor);
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int32_t b_tmp = (u_tmp*param->u_b_factor);
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// Compute the Y contribution for each pixel
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int32_t y_tmp = (GET(y_ptr1[0]-param->y_shift)*param->y_factor);
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PACK_PIXEL(rgb_ptr1);
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#if uv_y_sample_interval > 1
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y_tmp = (GET(y_ptr2[0]-param->y_shift)*param->y_factor);
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PACK_PIXEL(rgb_ptr2);
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#endif
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}
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}
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/* Catch the last line, if needed */
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if (uv_y_sample_interval == 2 && y == (height-1))
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{
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const YUV_TYPE *y_ptr1=Y+y*Y_stride,
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*u_ptr=U+(y/uv_y_sample_interval)*UV_stride,
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*v_ptr=V+(y/uv_y_sample_interval)*UV_stride;
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uint8_t *rgb_ptr1=RGB+y*RGB_stride;
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for(x=0; x<(width-(uv_x_sample_interval-1)); x+=uv_x_sample_interval)
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{
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// Compute U and V contributions, common to the four pixels
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int32_t u_tmp = (GET(*u_ptr)-UV_OFFSET);
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int32_t v_tmp = (GET(*v_ptr)-UV_OFFSET);
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int32_t r_tmp = (v_tmp*param->v_r_factor);
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int32_t g_tmp = (u_tmp*param->u_g_factor + v_tmp*param->v_g_factor);
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int32_t b_tmp = (u_tmp*param->u_b_factor);
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// Compute the Y contribution for each pixel
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int32_t y_tmp = (GET(y_ptr1[0]-param->y_shift)*param->y_factor);
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PACK_PIXEL(rgb_ptr1);
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y_tmp = (GET(y_ptr1[y_pixel_stride]-param->y_shift)*param->y_factor);
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PACK_PIXEL(rgb_ptr1);
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y_ptr1+=2*y_pixel_stride;
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u_ptr+=2*uv_pixel_stride/uv_x_sample_interval;
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v_ptr+=2*uv_pixel_stride/uv_x_sample_interval;
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}
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/* Catch the last pixel, if needed */
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if (uv_x_sample_interval == 2 && x == (width-1))
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{
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// Compute U and V contributions, common to the four pixels
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int32_t u_tmp = (GET(*u_ptr)-UV_OFFSET);
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int32_t v_tmp = (GET(*v_ptr)-UV_OFFSET);
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int32_t r_tmp = (v_tmp*param->v_r_factor);
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int32_t g_tmp = (u_tmp*param->u_g_factor + v_tmp*param->v_g_factor);
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int32_t b_tmp = (u_tmp*param->u_b_factor);
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// Compute the Y contribution for each pixel
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int32_t y_tmp = (GET(y_ptr1[0]-param->y_shift)*param->y_factor);
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PACK_PIXEL(rgb_ptr1);
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}
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}
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#undef y_pixel_stride
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#undef uv_pixel_stride
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#undef uv_x_sample_interval
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#undef uv_y_sample_interval
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}
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#ifdef _MSC_VER
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#pragma warning(pop)
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#endif
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#undef STD_FUNCTION_NAME
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#undef YUV_FORMAT
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#undef RGB_FORMAT
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#undef PACK_PIXEL
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