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sw_engine: code refactoring.

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Unify raster methods that are overly duplicated with each others.
This commit is contained in:
Hermet Park 2023-05-30 18:34:25 +09:00 • committed by Hermet Park
parent 86d287038b
commit 01974f652c
1 changed files with 87 additions and 170 deletions
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257
src/lib/sw_engine/tvgSwRaster.cpp
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@ -583,7 +583,7 @@ static bool _transformedRGBAImageMesh(SwSurface* surface, const SwImage* image,
/*Scaled RGBA Image */
/************************************************************************/
static bool _rasterScaledMaskedTranslucentRGBAImage(SwSurface* surface, const SwImage* image, const Matrix* itransform, const SwBBox& region, uint32_t opacity, uint32_t halfScale)
static bool _rasterScaledMaskedRGBAImage(SwSurface* surface, const SwImage* image, const Matrix* itransform, const SwBBox& region, uint32_t opacity, uint32_t halfScale)
{
TVGLOG("SW_ENGINE", "Scaled Masked Image");
@ -599,12 +599,22 @@ static bool _rasterScaledMaskedTranslucentRGBAImage(SwSurface* surface, const Sw
if (sy >= image->h) continue;
auto dst = dbuffer;
auto cmp = cbuffer;
for (auto x = region.min.x; x < region.max.x; ++x, ++dst, cmp += csize) {
auto sx = (uint32_t)(x * itransform->e11 + itransform->e13);
if (sx >= image->w) continue;
auto src = _interpDownScaler(image->buf32, image->stride, image->w, image->h, sx, sy, halfScale);
auto temp = ALPHA_BLEND(src, MULTIPLY(opacity, alpha(cmp)));
*dst = temp + ALPHA_BLEND(*dst, IALPHA(temp));
if (opacity == 255) {
for (auto x = region.min.x; x < region.max.x; ++x, ++dst, cmp += csize) {
auto sx = (uint32_t)(x * itransform->e11 + itransform->e13);
if (sx >= image->w) continue;
auto src = _interpDownScaler(image->buf32, image->stride, image->w, image->h, sx, sy, halfScale);
auto temp = ALPHA_BLEND(src, alpha(cmp));
*dst = temp + ALPHA_BLEND(*dst, IALPHA(temp));
}
} else {
for (auto x = region.min.x; x < region.max.x; ++x, ++dst, cmp += csize) {
auto sx = (uint32_t)(x * itransform->e11 + itransform->e13);
if (sx >= image->w) continue;
auto src = _interpDownScaler(image->buf32, image->stride, image->w, image->h, sx, sy, halfScale);
auto temp = ALPHA_BLEND(src, MULTIPLY(opacity, alpha(cmp)));
*dst = temp + ALPHA_BLEND(*dst, IALPHA(temp));
}
}
dbuffer += surface->stride;
cbuffer += surface->compositor->image.stride * csize;
@ -616,12 +626,22 @@ static bool _rasterScaledMaskedTranslucentRGBAImage(SwSurface* surface, const Sw
if ((uint32_t)sy >= image->h) continue;
auto dst = dbuffer;
auto cmp = cbuffer;
for (auto x = region.min.x; x < region.max.x; ++x, ++dst, cmp += csize) {
auto sx = x * itransform->e11 + itransform->e13;
if ((uint32_t)sx >= image->w) continue;
auto src = _interpUpScaler(image->buf32, image->w, image->h, sx, sy);
auto temp = ALPHA_BLEND(src, MULTIPLY(opacity, alpha(cmp)));
*dst = temp + ALPHA_BLEND(*dst, IALPHA(temp));
if (opacity == 255) {
for (auto x = region.min.x; x < region.max.x; ++x, ++dst, cmp += csize) {
auto sx = x * itransform->e11 + itransform->e13;
if ((uint32_t)sx >= image->w) continue;
auto src = _interpUpScaler(image->buf32, image->w, image->h, sx, sy);
auto temp = ALPHA_BLEND(src, alpha(cmp));
*dst = temp + ALPHA_BLEND(*dst, IALPHA(temp));
}
} else {
for (auto x = region.min.x; x < region.max.x; ++x, ++dst, cmp += csize) {
auto sx = x * itransform->e11 + itransform->e13;
if ((uint32_t)sx >= image->w) continue;
auto src = _interpUpScaler(image->buf32, image->w, image->h, sx, sy);
auto temp = ALPHA_BLEND(src, MULTIPLY(opacity, alpha(cmp)));
*dst = temp + ALPHA_BLEND(*dst, IALPHA(temp));
}
}
dbuffer += surface->stride;
cbuffer += surface->compositor->image.stride * csize;
@ -631,55 +651,7 @@ static bool _rasterScaledMaskedTranslucentRGBAImage(SwSurface* surface, const Sw
}
static bool _rasterScaledMaskedRGBAImage(SwSurface* surface, const SwImage* image, const Matrix* itransform, const SwBBox& region, uint32_t halfScale)
{
TVGLOG("SW_ENGINE", "Scaled Masked Image");
auto dbuffer = surface->buf32 + (region.min.y * surface->stride + region.min.x);
auto csize = surface->compositor->image.channelSize;
auto cbuffer = surface->compositor->image.buf8 + (region.min.y * surface->compositor->image.stride + region.min.x) * csize;
auto alpha = surface->blender.alpha(surface->compositor->method);
// Down-Scaled
if (image->scale < DOWN_SCALE_TOLERANCE) {
for (auto y = region.min.y; y < region.max.y; ++y) {
auto sy = (uint32_t)(y * itransform->e22 + itransform->e23);
if (sy >= image->h) continue;
auto dst = dbuffer;
auto cmp = cbuffer;
for (auto x = region.min.x; x < region.max.x; ++x, ++dst, cmp += csize) {
auto sx = (uint32_t)(x * itransform->e11 + itransform->e13);
if (sx >= image->w) continue;
auto src = _interpDownScaler(image->buf32, image->stride, image->w, image->h, sx, sy, halfScale);
auto temp = ALPHA_BLEND(src, alpha(cmp));
*dst = temp + ALPHA_BLEND(*dst, IALPHA(temp));
}
dbuffer += surface->stride;
cbuffer += surface->compositor->image.stride * csize;
}
// Up-Scaled
} else {
for (auto y = region.min.y; y < region.max.y; ++y) {
auto sy = y * itransform->e22 + itransform->e23;
if ((uint32_t)sy >= image->h) continue;
auto dst = dbuffer;
auto cmp = cbuffer;
for (auto x = region.min.x; x < region.max.x; ++x, ++dst, cmp += csize) {
auto sx = x * itransform->e11 + itransform->e13;
if ((uint32_t)sx >= image->w) continue;
auto src = _interpUpScaler(image->buf32, image->w, image->h, sx, sy);
auto temp = ALPHA_BLEND(src, alpha(cmp));
*dst = temp + ALPHA_BLEND(*dst, IALPHA(temp));
}
dbuffer += surface->stride;
cbuffer += surface->compositor->image.stride * csize;
}
}
return true;
}
static bool _rasterScaledTranslucentRGBAImage(SwSurface* surface, const SwImage* image, const Matrix* itransform, const SwBBox& region, uint32_t opacity, uint32_t halfScale)
static bool _rasterScaledRGBAImage(SwSurface* surface, const SwImage* image, const Matrix* itransform, const SwBBox& region, uint32_t opacity, uint32_t halfScale)
{
auto dbuffer = surface->buf32 + (region.min.y * surface->stride + region.min.x);
@ -689,11 +661,20 @@ static bool _rasterScaledTranslucentRGBAImage(SwSurface* surface, const SwImage*
auto sy = (uint32_t)(y * itransform->e22 + itransform->e23);
if (sy >= image->h) continue;
auto dst = dbuffer;
for (auto x = region.min.x; x < region.max.x; ++x, ++dst) {
auto sx = (uint32_t)(x * itransform->e11 + itransform->e13);
if (sx >= image->w) continue;
auto src = ALPHA_BLEND(_interpDownScaler(image->buf32, image->stride, image->w, image->h, sx, sy, halfScale), opacity);
*dst = src + ALPHA_BLEND(*dst, IALPHA(src));
if (opacity == 255) {
for (auto x = region.min.x; x < region.max.x; ++x, ++dst) {
auto sx = (uint32_t)(x * itransform->e11 + itransform->e13);
if (sx >= image->w) continue;
auto src = _interpDownScaler(image->buf32, image->stride, image->w, image->h, sx, sy, halfScale);
*dst = src + ALPHA_BLEND(*dst, IALPHA(src));
}
} else {
for (auto x = region.min.x; x < region.max.x; ++x, ++dst) {
auto sx = (uint32_t)(x * itransform->e11 + itransform->e13);
if (sx >= image->w) continue;
auto src = ALPHA_BLEND(_interpDownScaler(image->buf32, image->stride, image->w, image->h, sx, sy, halfScale), opacity);
*dst = src + ALPHA_BLEND(*dst, IALPHA(src));
}
}
}
// Up-Scaled
@ -702,46 +683,20 @@ static bool _rasterScaledTranslucentRGBAImage(SwSurface* surface, const SwImage*
auto sy = fabsf(y * itransform->e22 + itransform->e23);
if (sy >= image->h) continue;
auto dst = dbuffer;
for (auto x = region.min.x; x < region.max.x; ++x, ++dst) {
auto sx = x * itransform->e11 + itransform->e13;
if ((uint32_t)sx >= image->w) continue;
auto src = ALPHA_BLEND(_interpUpScaler(image->buf32, image->w, image->h, sx, sy), opacity);
*dst = src + ALPHA_BLEND(*dst, IALPHA(src));
}
}
}
return true;
}
static bool _rasterScaledRGBAImage(SwSurface* surface, const SwImage* image, const Matrix* itransform, const SwBBox& region, uint32_t halfScale)
{
auto dbuffer = surface->buf32 + (region.min.y * surface->stride + region.min.x);
// Down-Scaled
if (image->scale < DOWN_SCALE_TOLERANCE) {
for (auto y = region.min.y; y < region.max.y; ++y, dbuffer += surface->stride) {
auto sy = (uint32_t)(y * itransform->e22 + itransform->e23);
if (sy >= image->h) continue;
auto dst = dbuffer;
for (auto x = region.min.x; x < region.max.x; ++x, ++dst) {
auto sx = (uint32_t)(x * itransform->e11 + itransform->e13);
if (sx >= image->w) continue;
auto src = _interpDownScaler(image->buf32, image->stride, image->w, image->h, sx, sy, halfScale);
*dst = src + ALPHA_BLEND(*dst, IALPHA(src));
}
}
// Up-Scaled
} else {
for (auto y = region.min.y; y < region.max.y; ++y, dbuffer += surface->stride) {
auto sy = y * itransform->e22 + itransform->e23;
if ((uint32_t)sy >= image->h) continue;
auto dst = dbuffer;
for (auto x = region.min.x; x < region.max.x; ++x, ++dst) {
auto sx = x * itransform->e11 + itransform->e13;
if ((uint32_t)sx >= image->w) continue;
auto src = _interpUpScaler(image->buf32, image->w, image->h, sx, sy);
*dst = src + ALPHA_BLEND(*dst, IALPHA(src));
if (opacity == 255) {
for (auto x = region.min.x; x < region.max.x; ++x, ++dst) {
auto sx = x * itransform->e11 + itransform->e13;
if ((uint32_t)sx >= image->w) continue;
auto src = _interpUpScaler(image->buf32, image->w, image->h, sx, sy);
*dst = src + ALPHA_BLEND(*dst, IALPHA(src));
}
} else {
for (auto x = region.min.x; x < region.max.x; ++x, ++dst) {
auto sx = x * itransform->e11 + itransform->e13;
if ((uint32_t)sx >= image->w) continue;
auto src = ALPHA_BLEND(_interpUpScaler(image->buf32, image->w, image->h, sx, sy), opacity);
*dst = src + ALPHA_BLEND(*dst, IALPHA(src));
}
}
}
}
@ -760,11 +715,9 @@ static bool _scaledRGBAImage(SwSurface* surface, const SwImage* image, const Mat
auto halfScale = _halfScale(image->scale);
if (_compositing(surface)) {
if (opacity == 255) return _rasterScaledMaskedRGBAImage(surface, image, &itransform, region, halfScale);
else return _rasterScaledMaskedTranslucentRGBAImage(surface, image, &itransform, region, opacity, halfScale);
return _rasterScaledMaskedRGBAImage(surface, image, &itransform, region, opacity, halfScale);
} else {
if (opacity == 255) return _rasterScaledRGBAImage(surface, image, &itransform, region, halfScale);
else return _rasterScaledTranslucentRGBAImage(surface, image, &itransform, region, opacity, halfScale);
return _rasterScaledRGBAImage(surface, image, &itransform, region, opacity, halfScale);
}
return false;
}
@ -774,7 +727,7 @@ static bool _scaledRGBAImage(SwSurface* surface, const SwImage* image, const Mat
/* Direct RGBA Image */
/************************************************************************/
static bool _rasterDirectMaskedRGBAImage(SwSurface* surface, const SwImage* image, const SwBBox& region)
static bool _rasterDirectMaskedRGBAImage(SwSurface* surface, const SwImage* image, const SwBBox& region, uint32_t opacity)
{
TVGLOG("SW_ENGINE", "Direct Masked Image");
@ -791,9 +744,16 @@ static bool _rasterDirectMaskedRGBAImage(SwSurface* surface, const SwImage* imag
auto dst = buffer;
auto cmp = cbuffer;
auto src = sbuffer;
for (uint32_t x = 0; x < w2; ++x, ++dst, ++src, cmp += csize) {
auto tmp = ALPHA_BLEND(*src, alpha(cmp));
*dst = tmp + ALPHA_BLEND(*dst, IALPHA(tmp));
if (opacity == 255) {
for (uint32_t x = 0; x < w2; ++x, ++dst, ++src, cmp += csize) {
auto tmp = ALPHA_BLEND(*src, alpha(cmp));
*dst = tmp + ALPHA_BLEND(*dst, IALPHA(tmp));
}
} else {
for (uint32_t x = 0; x < w2; ++x, ++dst, ++src, cmp += csize) {
auto tmp = ALPHA_BLEND(*src, MULTIPLY(opacity, alpha(cmp)));
*dst = tmp + ALPHA_BLEND(*dst, IALPHA(tmp));
}
}
buffer += surface->stride;
cbuffer += surface->compositor->image.stride * csize;
@ -803,36 +763,7 @@ static bool _rasterDirectMaskedRGBAImage(SwSurface* surface, const SwImage* imag
}
static bool _rasterDirectMaskedTranslucentRGBAImage(SwSurface* surface, const SwImage* image, const SwBBox& region, uint32_t opacity)
{
TVGLOG("SW_ENGINE", "Direct Masked Translucent Image");
auto buffer = surface->buf32 + (region.min.y * surface->stride) + region.min.x;
auto h2 = static_cast<uint32_t>(region.max.y - region.min.y);
auto w2 = static_cast<uint32_t>(region.max.x - region.min.x);
auto csize = surface->compositor->image.channelSize;
auto alpha = surface->blender.alpha(surface->compositor->method);
auto sbuffer = image->buf32 + (region.min.y + image->oy) * image->stride + (region.min.x + image->ox);
auto cbuffer = surface->compositor->image.buf8 + (region.min.y * surface->compositor->image.stride + region.min.x) * csize; //compositor buffer
for (uint32_t y = 0; y < h2; ++y) {
auto dst = buffer;
auto cmp = cbuffer;
auto src = sbuffer;
for (uint32_t x = 0; x < w2; ++x, ++dst, ++src, cmp += csize) {
auto tmp = ALPHA_BLEND(*src, MULTIPLY(opacity, alpha(cmp)));
*dst = tmp + ALPHA_BLEND(*dst, IALPHA(tmp));
}
buffer += surface->stride;
cbuffer += surface->compositor->image.stride * csize;
sbuffer += image->stride;
}
return true;
}
static bool _rasterDirectTranslucentRGBAImage(SwSurface* surface, const SwImage* image, const SwBBox& region, uint32_t opacity)
static bool _rasterDirectRGBAImage(SwSurface* surface, const SwImage* image, const SwBBox& region, uint32_t opacity)
{
auto dbuffer = &surface->buf32[region.min.y * surface->stride + region.min.x];
auto sbuffer = image->buf32 + (region.min.y + image->oy) * image->stride + (region.min.x + image->ox);
@ -840,27 +771,15 @@ static bool _rasterDirectTranslucentRGBAImage(SwSurface* surface, const SwImage*
for (auto y = region.min.y; y < region.max.y; ++y) {
auto dst = dbuffer;
auto src = sbuffer;
for (auto x = region.min.x; x < region.max.x; ++x, ++dst, ++src) {
auto tmp = ALPHA_BLEND(*src, opacity);
*dst = tmp + ALPHA_BLEND(*dst, IALPHA(tmp));
}
dbuffer += surface->stride;
sbuffer += image->stride;
}
return true;
}
static bool _rasterDirectRGBAImage(SwSurface* surface, const SwImage* image, const SwBBox& region)
{
auto dbuffer = &surface->buf32[region.min.y * surface->stride + region.min.x];
auto sbuffer = image->buf32 + (region.min.y + image->oy) * image->stride + (region.min.x + image->ox);
for (auto y = region.min.y; y < region.max.y; ++y) {
auto dst = dbuffer;
auto src = sbuffer;
for (auto x = region.min.x; x < region.max.x; x++, dst++, src++) {
*dst = *src + ALPHA_BLEND(*dst, IALPHA(*src));
if (opacity == 255) {
for (auto x = region.min.x; x < region.max.x; x++, dst++, src++) {
*dst = *src + ALPHA_BLEND(*dst, IALPHA(*src));
}
} else {
for (auto x = region.min.x; x < region.max.x; ++x, ++dst, ++src) {
auto tmp = ALPHA_BLEND(*src, opacity);
*dst = tmp + ALPHA_BLEND(*dst, IALPHA(tmp));
}
}
dbuffer += surface->stride;
sbuffer += image->stride;
@ -873,11 +792,9 @@ static bool _rasterDirectRGBAImage(SwSurface* surface, const SwImage* image, con
static bool _directRGBAImage(SwSurface* surface, const SwImage* image, const SwBBox& region, uint32_t opacity)
{
if (_compositing(surface)) {
if (opacity == 255) return _rasterDirectMaskedRGBAImage(surface, image, region);
else return _rasterDirectMaskedTranslucentRGBAImage(surface, image, region, opacity);
return _rasterDirectMaskedRGBAImage(surface, image, region, opacity);
} else {
if (opacity == 255) return _rasterDirectRGBAImage(surface, image, region);
else return _rasterDirectTranslucentRGBAImage(surface, image, region, opacity);
return _rasterDirectRGBAImage(surface, image, region, opacity);
}
return false;
}