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sw_engine: code refactoring.

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unify raster methods that are overly duplicated with each other.
This commit is contained in:
Hermet Park 2023-05-27 14:27:50 +09:00
parent 28257ec807
commit 4d842d03f6
1 changed files with 21 additions and 150 deletions
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169
src/lib/sw_engine/tvgSwRaster.cpp
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@ -372,7 +372,7 @@ static bool _transformedRleRGBAImage(SwSurface* surface, const SwImage* image, c
/* RLE Scaled RGBA Image */
/************************************************************************/
static bool _rasterScaledMaskedTranslucentRleRGBAImage(SwSurface* surface, const SwImage* image, const Matrix* itransform, const SwBBox& region, uint32_t opacity, uint32_t halfScale)
static bool _rasterScaledMaskedRleRGBAImage(SwSurface* surface, const SwImage* image, const Matrix* itransform, const SwBBox& region, uint32_t opacity, uint32_t halfScale)
{
TVGLOG("SW_ENGINE", "Scaled Masked Translucent Rle Image");
@ -388,51 +388,7 @@ static bool _rasterScaledMaskedTranslucentRleRGBAImage(SwSurface* surface, const
auto dst = &surface->buf32[span->y * surface->stride + span->x];
auto cmp = &surface->compositor->image.buf8[(span->y * surface->compositor->image.stride + span->x) * csize];
auto a = _multiply(span->coverage, opacity);
for (uint32_t x = static_cast<uint32_t>(span->x); x < static_cast<uint32_t>(span->x) + span->len; ++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 tmp = ALPHA_BLEND(src, _multiply(alpha(cmp), a));
*dst = tmp + ALPHA_BLEND(*dst, _ialpha(tmp));
}
}
//Center (Up-Scaled)
} else {
for (uint32_t i = 0; i < image->rle->size; ++i, ++span) {
auto sy = span->y * itransform->e22 + itransform->e23;
if ((uint32_t)sy >= image->h) continue;
auto dst = &surface->buf32[span->y * surface->stride + span->x];
auto cmp = &surface->compositor->image.buf8[(span->y * surface->compositor->image.stride + span->x) * csize];
auto a = _multiply(span->coverage, opacity);
for (uint32_t x = static_cast<uint32_t>(span->x); x < static_cast<uint32_t>(span->x) + span->len; ++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 tmp = ALPHA_BLEND(src, _multiply(alpha(cmp), a));
*dst = tmp + ALPHA_BLEND(*dst, _ialpha(tmp));
}
}
}
return true;
}
static bool _rasterScaledMaskedRleRGBAImage(SwSurface* surface, const SwImage* image, const Matrix* itransform, const SwBBox& region, uint32_t halfScale)
{
TVGLOG("SW_ENGINE", "Scaled Masked Rle Image");
auto span = image->rle->spans;
auto csize = surface->compositor->image.channelSize;
auto alpha = surface->blender.alpha(surface->compositor->method);
//Center (Down-Scaled)
if (image->scale < DOWN_SCALE_TOLERANCE) {
for (uint32_t i = 0; i < image->rle->size; ++i, ++span) {
auto sy = (uint32_t)(span->y * itransform->e22 + itransform->e23);
if (sy >= image->h) continue;
auto dst = &surface->buf32[span->y * surface->stride + span->x];
auto cmp = &surface->compositor->image.buf8[(span->y * surface->compositor->image.stride + span->x) * csize];
if (span->coverage == 255) {
if (a == 255) {
for (uint32_t x = static_cast<uint32_t>(span->x); x < static_cast<uint32_t>(span->x) + span->len; ++x, ++dst, cmp += csize) {
auto sx = (uint32_t)(x * itransform->e11 + itransform->e13);
if (sx >= image->w) continue;
@ -444,7 +400,7 @@ static bool _rasterScaledMaskedRleRGBAImage(SwSurface* surface, const SwImage* i
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 tmp = ALPHA_BLEND(src, _multiply(span->coverage, alpha(cmp)));
auto tmp = ALPHA_BLEND(src, _multiply(alpha(cmp), a));
*dst = tmp + ALPHA_BLEND(*dst, _ialpha(tmp));
}
}
@ -456,7 +412,8 @@ static bool _rasterScaledMaskedRleRGBAImage(SwSurface* surface, const SwImage* i
if ((uint32_t)sy >= image->h) continue;
auto dst = &surface->buf32[span->y * surface->stride + span->x];
auto cmp = &surface->compositor->image.buf8[(span->y * surface->compositor->image.stride + span->x) * csize];
if (span->coverage == 255) {
auto a = _multiply(span->coverage, opacity);
if (a == 255) {
for (uint32_t x = static_cast<uint32_t>(span->x); x < static_cast<uint32_t>(span->x) + span->len; ++x, ++dst, cmp += csize) {
auto sx = x * itransform->e11 + itransform->e13;
if ((uint32_t)sx >= image->w) continue;
@ -468,7 +425,7 @@ static bool _rasterScaledMaskedRleRGBAImage(SwSurface* surface, const SwImage* i
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 tmp = ALPHA_BLEND(src, _multiply(span->coverage, alpha(cmp)));
auto tmp = ALPHA_BLEND(src, _multiply(alpha(cmp), a));
*dst = tmp + ALPHA_BLEND(*dst, _ialpha(tmp));
}
}
@ -478,43 +435,6 @@ static bool _rasterScaledMaskedRleRGBAImage(SwSurface* surface, const SwImage* i
}
static bool _rasterScaledTranslucentRleRGBAImage(SwSurface* surface, const SwImage* image, const Matrix* itransform, const SwBBox& region, uint32_t opacity, uint32_t halfScale)
{
auto span = image->rle->spans;
//Center (Down-Scaled)
if (image->scale < DOWN_SCALE_TOLERANCE) {
for (uint32_t i = 0; i < image->rle->size; ++i, ++span) {
auto sy = (uint32_t)(span->y * itransform->e22 + itransform->e23);
if (sy >= image->h) continue;
auto dst = &surface->buf32[span->y * surface->stride + span->x];
auto alpha = _multiply(span->coverage, opacity);
for (uint32_t x = static_cast<uint32_t>(span->x); x < static_cast<uint32_t>(span->x) + span->len; ++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), alpha);
*dst = src + ALPHA_BLEND(*dst, _ialpha(src));
}
}
//Center (Up-Scaled)
} else {
for (uint32_t i = 0; i < image->rle->size; ++i, ++span) {
auto sy = span->y * itransform->e22 + itransform->e23;
if ((uint32_t)sy >= image->h) continue;
auto dst = &surface->buf32[span->y * surface->stride + span->x];
auto alpha = _multiply(span->coverage, opacity);
for (uint32_t x = static_cast<uint32_t>(span->x); x < static_cast<uint32_t>(span->x) + span->len; ++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), alpha);
*dst = src + ALPHA_BLEND(*dst, _ialpha(src));
}
}
}
return true;
}
static bool _rasterScaledRleRGBAImage(SwSurface* surface, const SwImage* image, const Matrix* itransform, const SwBBox& region, uint32_t opacity, uint32_t halfScale)
{
auto span = image->rle->spans;
@ -525,7 +445,8 @@ static bool _rasterScaledRleRGBAImage(SwSurface* surface, const SwImage* image,
auto sy = (uint32_t)(span->y * itransform->e22 + itransform->e23);
if (sy >= image->h) continue;
auto dst = &surface->buf32[span->y * surface->stride + span->x];
if (span->coverage == 255) {
auto alpha = _multiply(span->coverage, opacity);
if (alpha == 255) {
for (uint32_t x = static_cast<uint32_t>(span->x); x < static_cast<uint32_t>(span->x) + span->len; ++x, ++dst) {
auto sx = (uint32_t)(x * itransform->e11 + itransform->e13);
if (sx >= image->w) continue;
@ -536,7 +457,7 @@ static bool _rasterScaledRleRGBAImage(SwSurface* surface, const SwImage* image,
for (uint32_t x = static_cast<uint32_t>(span->x); x < static_cast<uint32_t>(span->x) + span->len; ++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), span->coverage);
auto src = ALPHA_BLEND(_interpDownScaler(image->buf32, image->stride, image->w, image->h, sx, sy, halfScale), alpha);
*dst = src + ALPHA_BLEND(*dst, _ialpha(src));
}
}
@ -547,7 +468,8 @@ static bool _rasterScaledRleRGBAImage(SwSurface* surface, const SwImage* image,
auto sy = span->y * itransform->e22 + itransform->e23;
if ((uint32_t)sy >= image->h) continue;
auto dst = &surface->buf32[span->y * surface->stride + span->x];
if (span->coverage == 255) {
auto alpha = _multiply(span->coverage, opacity);
if (alpha == 255) {
for (uint32_t x = static_cast<uint32_t>(span->x); x < static_cast<uint32_t>(span->x) + span->len; ++x, ++dst) {
auto sx = x * itransform->e11 + itransform->e13;
if ((uint32_t)sx >= image->w) continue;
@ -558,7 +480,7 @@ static bool _rasterScaledRleRGBAImage(SwSurface* surface, const SwImage* image,
for (uint32_t x = static_cast<uint32_t>(span->x); x < static_cast<uint32_t>(span->x) + span->len; ++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), span->coverage);
auto src = ALPHA_BLEND(_interpUpScaler(image->buf32, image->w, image->h, sx, sy), alpha);
*dst = src + ALPHA_BLEND(*dst, _ialpha(src));
}
}
@ -579,11 +501,9 @@ static bool _scaledRleRGBAImage(SwSurface* surface, const SwImage* image, const
auto halfScale = _halfScale(image->scale);
if (_compositing(surface)) {
if (opacity == 255) return _rasterScaledMaskedRleRGBAImage(surface, image, &itransform, region, halfScale);
else return _rasterScaledMaskedTranslucentRleRGBAImage(surface, image, &itransform, region, opacity, halfScale);
return _rasterScaledMaskedRleRGBAImage(surface, image, &itransform, region, opacity, halfScale);
} else {
if (opacity == 255) return _rasterScaledRleRGBAImage(surface, image, &itransform, region, opacity, halfScale);
else return _rasterScaledTranslucentRleRGBAImage(surface, image, &itransform, region, opacity, halfScale);
return _rasterScaledRleRGBAImage(surface, image, &itransform, region, opacity, halfScale);
}
return false;
}
@ -593,7 +513,7 @@ static bool _scaledRleRGBAImage(SwSurface* surface, const SwImage* image, const
/* RLE Direct RGBA Image */
/************************************************************************/
static bool _rasterDirectMaskedTranslucentRleRGBAImage(SwSurface* surface, const SwImage* image, uint32_t opacity)
static bool _rasterDirectMaskedRleRGBAImage(SwSurface* surface, const SwImage* image, uint32_t opacity)
{
TVGLOG("SW_ENGINE", "Direct Masked Rle Image");
@ -623,36 +543,7 @@ static bool _rasterDirectMaskedTranslucentRleRGBAImage(SwSurface* surface, const
}
static bool _rasterDirectMaskedRleRGBAImage(SwSurface* surface, const SwImage* image)
{
TVGLOG("SW_ENGINE", "Direct Masked Rle Image");
auto span = image->rle->spans;
auto csize = surface->compositor->image.channelSize;
auto cbuffer = surface->compositor->image.buf8;
auto alpha = surface->blender.alpha(surface->compositor->method);
for (uint32_t i = 0; i < image->rle->size; ++i, ++span) {
auto dst = &surface->buf32[span->y * surface->stride + span->x];
auto cmp = &cbuffer[(span->y * surface->compositor->image.stride + span->x) * csize];
auto img = image->buf32 + (span->y + image->oy) * image->stride + (span->x + image->ox);
if (span->coverage == 255) {
for (uint32_t x = 0; x < span->len; ++x, ++dst, ++img, cmp += csize) {
auto tmp = ALPHA_BLEND(*img, alpha(cmp));
*dst = tmp + ALPHA_BLEND(*dst, _ialpha(tmp));
}
} else {
for (uint32_t x = 0; x < span->len; ++x, ++dst, ++img, cmp += csize) {
auto tmp = ALPHA_BLEND(*img, _multiply(span->coverage, alpha(cmp)));
*dst = tmp + ALPHA_BLEND(*dst, _ialpha(tmp));
}
}
}
return true;
}
static bool _rasterDirectTranslucentRleRGBAImage(SwSurface* surface, const SwImage* image, uint32_t opacity)
static bool _rasterDirectRleRGBAImage(SwSurface* surface, const SwImage* image, uint32_t opacity)
{
auto span = image->rle->spans;
@ -660,29 +551,11 @@ static bool _rasterDirectTranslucentRleRGBAImage(SwSurface* surface, const SwIma
auto dst = &surface->buf32[span->y * surface->stride + span->x];
auto img = image->buf32 + (span->y + image->oy) * image->stride + (span->x + image->ox);
auto alpha = _multiply(span->coverage, opacity);
for (uint32_t x = 0; x < span->len; ++x, ++dst, ++img) {
auto src = ALPHA_BLEND(*img, alpha);
*dst = src + ALPHA_BLEND(*dst, _ialpha(src));
}
}
return true;
}
static bool _rasterDirectRleRGBAImage(SwSurface* surface, const SwImage* image)
{
auto span = image->rle->spans;
for (uint32_t i = 0; i < image->rle->size; ++i, ++span) {
auto dst = &surface->buf32[span->y * surface->stride + span->x];
auto img = image->buf32 + (span->y + image->oy) * image->stride + (span->x + image->ox);
if (span->coverage == 255) {
for (uint32_t x = 0; x < span->len; ++x, ++dst, ++img) {
if (alpha == 255) {
*dst = *img + ALPHA_BLEND(*dst, _ialpha(*img));
}
} else {
for (uint32_t x = 0; x < span->len; ++x, ++dst, ++img) {
auto src = ALPHA_BLEND(*img, span->coverage);
auto src = ALPHA_BLEND(*img, alpha);
*dst = src + ALPHA_BLEND(*dst, _ialpha(src));
}
}
@ -694,11 +567,9 @@ static bool _rasterDirectRleRGBAImage(SwSurface* surface, const SwImage* image)
static bool _directRleRGBAImage(SwSurface* surface, const SwImage* image, uint32_t opacity)
{
if (_compositing(surface)) {
if (opacity == 255) return _rasterDirectMaskedRleRGBAImage(surface, image);
else return _rasterDirectMaskedTranslucentRleRGBAImage(surface, image, opacity);
return _rasterDirectMaskedRleRGBAImage(surface, image, opacity);
} else {
if (opacity == 255) return _rasterDirectRleRGBAImage(surface, image);
else return _rasterDirectTranslucentRleRGBAImage(surface, image, opacity);
return _rasterDirectRleRGBAImage(surface, image, opacity);
}
return false;
}