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sw_engine image: support separate logics for scaled rle rgba image

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+ scaled rle rgba image
+ scaled masked rle rgba image
+ scaled translucent rle rga image
This commit is contained in:
Hermet Park 2021-11-23 18:29:00 +09:00 • committed by Hermet Park
parent d4c15dcf66
commit 7c8f651e32
1 changed files with 189 additions and 20 deletions
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209
src/lib/sw_engine/tvgSwRaster.cpp
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@ -334,8 +334,8 @@ static bool _rasterDownScaledMaskedRleRGBAImage(SwSurface* surface, const SwImag
auto rY = static_cast<uint32_t>(roundf((span->x + x) * itransform->e21 + ey2));
if (rX >= w || rY >= h) continue;
uint32_t src;
if (rX < halfScale || rY < halfScale || rX >= w - halfScale || rY >= h - halfScale) src = ALPHA_BLEND(img[rY * image->stride + rX], alpha);
else src = ALPHA_BLEND(_interpDownScaler(img, image->stride, h, rX, rY, halfScale), alpha);
if (rX < halfScale || rY < halfScale || rX >= w - halfScale || rY >= h - halfScale) src = img[rY * image->stride + rX];
else src = _interpDownScaler(img, image->stride, h, rX, rY, halfScale);
auto tmp = ALPHA_BLEND(src, blendMethod(*cmp));
*dst = tmp + ALPHA_BLEND(*dst, surface->blender.ialpha(tmp));
}
@ -406,8 +406,8 @@ static bool _rasterUpScaledMaskedRleRGBAImage(SwSurface* surface, const SwImage*
auto rY = static_cast<uint32_t>(roundf(fY));
if (rX >= w || rY >= h) continue;
uint32_t src;
if (rX == w - 1 || rY == h - 1) src = ALPHA_BLEND(img[rY * image->stride + rX], alpha);
else src = ALPHA_BLEND(_interpUpScaler(img, image->stride, h, fX, fY), alpha);
if (rX == w - 1 || rY == h - 1) src = img[rY * image->stride + rX];
else src = _interpUpScaler(img, image->stride, h, fX, fY);
auto tmp = ALPHA_BLEND(src, blendMethod(*cmp));
*dst = tmp + ALPHA_BLEND(*dst, surface->blender.ialpha(tmp));
}
@ -503,9 +503,6 @@ static bool _rasterTransformedTranslucentRleRGBAImage(SwSurface* surface, const
static bool __rasterTransformedRleRGBAImage(SwSurface* surface, const SwImage* image, const Matrix* itransform)
{
auto span = image->rle->spans;
auto img = image->data;
auto w = image->w;
auto h = image->h;
for (uint32_t i = 0; i < image->rle->size; ++i, ++span) {
auto ey1 = span->y * itransform->e12 + itransform->e13;
@ -515,8 +512,8 @@ static bool __rasterTransformedRleRGBAImage(SwSurface* surface, const SwImage* i
for (uint32_t x = 0; x < span->len; ++x, ++dst) {
auto rX = static_cast<uint32_t>(roundf((span->x + x) * itransform->e11 + ey1));
auto rY = static_cast<uint32_t>(roundf((span->x + x) * itransform->e21 + ey2));
if (rX >= w || rY >= h) continue;
auto src = ALPHA_BLEND(img[rY * image->stride + rX], span->coverage);
if (rX >= image->w || rY >= image->h) continue;
auto src = ALPHA_BLEND(image->data[rY * image->stride + rX], span->coverage);
*dst = src + ALPHA_BLEND(*dst, surface->blender.ialpha(src));
}
}
@ -535,9 +532,9 @@ static bool _rasterDownScaledRleRGBAImage(SwSurface* surface, const SwImage* ima
auto ey1 = span->y * itransform->e12 + itransform->e13;
auto ey2 = span->y * itransform->e22 + itransform->e23;
auto dst = &surface->buffer[span->y * surface->stride + span->x];
for (uint32_t x = 0; x < span->len; ++x, ++dst) {
auto rX = static_cast<uint32_t>(roundf((span->x + x) * itransform->e11 + ey1));
auto rY = static_cast<uint32_t>(roundf((span->x + x) * itransform->e21 + ey2));
for (uint32_t x = span->x; x < span->len; ++x, ++dst) {
auto rX = static_cast<uint32_t>(roundf(x * itransform->e11 + ey1));
auto rY = static_cast<uint32_t>(roundf(x * itransform->e21 + ey2));
if (rX >= w || rY >= h) continue;
uint32_t src;
@ -561,9 +558,9 @@ static bool _rasterUpScaledRleRGBAImage(SwSurface* surface, const SwImage* image
auto ey1 = span->y * itransform->e12 + itransform->e13;
auto ey2 = span->y * itransform->e22 + itransform->e23;
auto dst = &surface->buffer[span->y * surface->stride + span->x];
for (uint32_t x = 0; x < span->len; ++x, ++dst) {
auto fX = (span->x + x) * itransform->e11 + ey1;
auto fY = (span->x + x) * itransform->e21 + ey2;
for (uint32_t x = span->x; x < span->len; ++x, ++dst) {
auto fX = x * itransform->e11 + ey1;
auto fY = x * itransform->e21 + ey2;
auto rX = static_cast<uint32_t>(roundf(fX));
auto rY = static_cast<uint32_t>(roundf(fY));
if (rX >= w || rY >= h) continue;
@ -579,13 +576,182 @@ static bool _rasterUpScaledRleRGBAImage(SwSurface* surface, const SwImage* image
static bool _rasterTransformedRleRGBAImage(SwSurface* surface, const SwImage* image, const Matrix* itransform, uint32_t halfScale)
{
//TODO: Blenders for the following scenarios: [Opacity / Composition / Opacity + Composition]
//TODO: Blenders for the following scenarios: [No Composition / Composition]
if (mathEqual(image->scale, 1.0f)) return __rasterTransformedRleRGBAImage(surface, image, itransform);
else if (image->scale < DOWN_SCALE_TOLERANCE) return _rasterDownScaledRleRGBAImage(surface, image, itransform, halfScale);
else return _rasterUpScaledRleRGBAImage(surface, image, itransform);
}
/************************************************************************/
/* RLE Scaled RGBA Image */
/************************************************************************/
static bool _rasterScaledMaskedRleRGBAImage(SwSurface* surface, const SwImage* image, uint32_t opacity, const SwBBox& region, const Matrix* itransform, uint32_t halfScale, uint32_t (*blendMethod)(uint32_t))
{
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 = static_cast<uint32_t>(span->y * itransform->e22 + itransform->e23);
if (sy >= image->h) continue;
auto dst = &surface->buffer[span->y * surface->stride + span->x];
auto cmp = &surface->compositor->image.data[span->y * surface->stride + span->x];
auto alpha = _multiplyAlpha(span->coverage, opacity);
if (alpha == 255) {
for (uint32_t x = span->x; x < ((uint32_t)span->x) + span->len; ++x, ++dst, ++cmp) {
auto sx = static_cast<uint32_t>(x * itransform->e11 + itransform->e13);
if (sx >= image->w) continue;
auto tmp = ALPHA_BLEND(_interpDownScaler(image->data, image->w, image->h, sx, sy, halfScale), blendMethod(*cmp));
*dst = tmp + ALPHA_BLEND(*dst, surface->blender.ialpha(tmp));
}
} else {
for (uint32_t x = span->x; x < ((uint32_t)span->x) + span->len; ++x, ++dst, ++cmp) {
auto sx = static_cast<uint32_t>(x * itransform->e11 + itransform->e13);
if (sx >= image->w) continue;
auto src = ALPHA_BLEND(_interpDownScaler(image->data, image->w, image->h, sx, sy, halfScale), alpha);
auto tmp = ALPHA_BLEND(src, blendMethod(*cmp));
*dst = tmp + ALPHA_BLEND(*dst, surface->blender.ialpha(tmp));
}
}
}
//Center (Up-Scaled)
} else {
for (uint32_t i = 0; i < image->rle->size; ++i, ++span) {
auto sy = static_cast<uint32_t>(span->y * itransform->e22 + itransform->e23);
if (sy >= image->h) continue;
auto dst = &surface->buffer[span->y * surface->stride + span->x];
auto cmp = &surface->compositor->image.data[span->y * surface->stride + span->x];
auto alpha = _multiplyAlpha(span->coverage, opacity);
if (alpha == 255) {
for (uint32_t x = span->x; x < ((uint32_t)span->x) + span->len; ++x, ++dst, ++cmp) {
auto sx = static_cast<uint32_t>(x * itransform->e11 + itransform->e13);
if (sx >= image->w) continue;
auto tmp = ALPHA_BLEND(_interpUpScaler(image->data, image->w, image->h, sx, sy), blendMethod(*cmp));
*dst = tmp + ALPHA_BLEND(*dst, surface->blender.ialpha(tmp));
}
} else {
for (uint32_t x = span->x; x < ((uint32_t)span->x) + span->len; ++x, ++dst, ++cmp) {
auto sx = static_cast<uint32_t>(x * itransform->e11 + itransform->e13);
if (sx >= image->w) continue;
auto src = ALPHA_BLEND(_interpUpScaler(image->data, image->w, image->h, sx, sy), alpha);
auto tmp = ALPHA_BLEND(src, blendMethod(*cmp));
*dst = tmp + ALPHA_BLEND(*dst, surface->blender.ialpha(tmp));
}
}
}
}
return true;
}
static bool __rasterScaledTranslucentRleRGBAImage(SwSurface* surface, const SwImage* image, uint32_t opacity, const SwBBox& region, const Matrix* itransform, 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 = static_cast<uint32_t>(span->y * itransform->e22 + itransform->e23);
if (sy >= image->h) continue;
auto dst = &surface->buffer[span->y * surface->stride + span->x];
auto alpha = _multiplyAlpha(span->coverage, opacity);
for (uint32_t x = span->x; x < ((uint32_t)span->x) + span->len; ++x, ++dst) {
auto sx = static_cast<uint32_t>(x * itransform->e11 + itransform->e13);
if (sx >= image->w) continue;
auto src = ALPHA_BLEND(_interpDownScaler(image->data, image->w, image->h, sx, sy, halfScale), alpha);
*dst = src + ALPHA_BLEND(*dst, surface->blender.ialpha(src));
}
}
//Center (Up-Scaled)
} else {
for (uint32_t i = 0; i < image->rle->size; ++i, ++span) {
auto sy = static_cast<uint32_t>(span->y * itransform->e22 + itransform->e23);
if (sy >= image->h) continue;
auto dst = &surface->buffer[span->y * surface->stride + span->x];
auto alpha = _multiplyAlpha(span->coverage, opacity);
for (uint32_t x = span->x; x < ((uint32_t)span->x) + span->len; ++x, ++dst) {
auto sx = static_cast<uint32_t>(x * itransform->e11 + itransform->e13);
if (sx >= image->w) continue;
auto src = ALPHA_BLEND(_interpUpScaler(image->data, image->w, image->h, sx, sy), alpha);
*dst = src + ALPHA_BLEND(*dst, surface->blender.ialpha(src));
}
}
}
return true;
}
static bool _rasterScaledTranslucentRleRGBAImage(SwSurface* surface, const SwImage* image, uint32_t opacity, const SwBBox& region, const Matrix* itransform, uint32_t halfScale)
{
//TODO: Blenders for the following scenarios: [Opacity / Composition / Opacity + Composition]
if (surface->compositor) {
if (surface->compositor->method == CompositeMethod::AlphaMask) {
return _rasterScaledMaskedRleRGBAImage(surface, image, opacity, region, itransform, halfScale, surface->blender.alpha);
} else if (surface->compositor->method == CompositeMethod::InvAlphaMask) {
return _rasterScaledMaskedRleRGBAImage(surface, image, opacity, region, itransform, halfScale, surface->blender.alpha);
}
}
return __rasterScaledTranslucentRleRGBAImage(surface, image, opacity, region, itransform, halfScale);
}
static bool _rasterScaledRleRGBAImage(SwSurface* surface, const SwImage* image, const SwBBox& region, const Matrix* itransform, uint32_t halfScale)
{
//TODO: Blenders for the following scenarios: [No Composition / Composition]
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 = static_cast<uint32_t>(span->y * itransform->e22 + itransform->e23);
if (sy >= image->h) continue;
auto dst = &surface->buffer[span->y * surface->stride + span->x];
if (span->coverage == 255) {
for (uint32_t x = span->x; x < ((uint32_t)span->x) + span->len; ++x, ++dst) {
auto sx = static_cast<uint32_t>(x * itransform->e11 + itransform->e13);
if (sx >= image->w) continue;
auto src = _interpDownScaler(image->data, image->w, image->h, sx, sy, halfScale);
*dst = src + ALPHA_BLEND(*dst, surface->blender.ialpha(src));
}
} else {
for (uint32_t x = span->x; x < ((uint32_t)span->x) + span->len; ++x, ++dst) {
auto sx = static_cast<uint32_t>(x * itransform->e11 + itransform->e13);
if (sx >= image->w) continue;
auto src = ALPHA_BLEND(_interpDownScaler(image->data, image->w, image->h, sx, sy, halfScale), span->coverage);
*dst = src + ALPHA_BLEND(*dst, surface->blender.ialpha(src));
}
}
}
//Center (Up-Scaled)
} else {
for (uint32_t i = 0; i < image->rle->size; ++i, ++span) {
auto sy = static_cast<uint32_t>(span->y * itransform->e22 + itransform->e23);
if (sy >= image->h) continue;
auto dst = &surface->buffer[span->y * surface->stride + span->x];
if (span->coverage == 255) {
for (uint32_t x = span->x; x < ((uint32_t)span->x) + span->len; ++x, ++dst) {
auto sx = static_cast<uint32_t>(x * itransform->e11 + itransform->e13);
if (sx >= image->w) continue;
auto src = _interpUpScaler(image->data, image->w, image->h, sx, sy);
*dst = src + ALPHA_BLEND(*dst, surface->blender.ialpha(src));
}
} else {
for (uint32_t x = span->x; x < ((uint32_t)span->x) + span->len; ++x, ++dst) {
auto sx = static_cast<uint32_t>(x * itransform->e11 + itransform->e13);
if (sx >= image->w) continue;
auto src = ALPHA_BLEND(_interpUpScaler(image->data, image->w, image->h, sx, sy), span->coverage);
*dst = src + ALPHA_BLEND(*dst, surface->blender.ialpha(src));
}
}
}
}
return true;
}
/************************************************************************/
/* RLE Direct RGBA Image */
@ -653,7 +819,7 @@ static bool _rasterDirectTranslucentRleRGBAImage(SwSurface* surface, const SwIma
static bool _rasterDirectRleRGBAImage(SwSurface* surface, const SwImage* image)
{
//TODO: Blenders for the following scenarios: [Opacity / Composition / Opacity + Composition]
//TODO: Blenders for the following scenarios: [No Composition / Composition]
auto span = image->rle->spans;
@ -971,7 +1137,7 @@ static bool _rasterUpScaledRGBAImage(SwSurface* surface, const SwImage* image, c
static bool _rasterTransformedRGBAImage(SwSurface* surface, const SwImage* image, const SwBBox& region, const Matrix* itransform, uint32_t halfScale)
{
//TODO: Blenders for the following scenarios: [Opacity / Composition / Opacity + Composition]
//TODO: Blenders for the following scenarios: [No Composition / Composition]
if (mathEqual(image->scale, 1.0f)) return _rasterTransformedRGBAImage(surface, image, region, itransform);
else if (image->scale < DOWN_SCALE_TOLERANCE) return _rasterDownScaledRGBAImage(surface, image, region, itransform, halfScale);
@ -1122,7 +1288,7 @@ static bool _rasterScaledTranslucentRGBAImage(SwSurface* surface, const SwImage*
static bool _rasterScaledRGBAImage(SwSurface* surface, const SwImage* image, const SwBBox& region, const Matrix* itransform, uint32_t halfScale)
{
//TODO: Blenders for the following scenarios: [Opacity / Composition / Opacity + Composition]
//TODO: Blenders for the following scenarios: [No Composition / Composition]
//Top, Bottom Lines
SwCoord ys[2] = {region.min.y, region.max.y - 1};
@ -1244,7 +1410,7 @@ static bool _rasterDirectTranslucentRGBAImage(SwSurface* surface, const SwImage*
static bool _rasterDirectRGBAImage(SwSurface* surface, const SwImage* image, const SwBBox& region)
{
//TODO: Blenders for the following scenarios: [Opacity / Composition / Opacity + Composition]
//TODO: Blenders for the following scenarios: [No Composition / Composition]
auto dbuffer = &surface->buffer[region.min.y * surface->stride + region.min.x];
auto sbuffer = image->data + (region.min.y + image->oy) * image->stride + (region.min.x + image->ox);
@ -1279,6 +1445,9 @@ static bool _rasterRGBAImage(SwSurface* surface, SwImage* image, const Matrix* t
if (image->direct) {
if (translucent) return _rasterDirectTranslucentRleRGBAImage(surface, image, opacity);
else return _rasterDirectRleRGBAImage(surface, image);
} else if (image->scaled) {
if (translucent) return _rasterScaledTranslucentRleRGBAImage(surface, image, opacity, bbox, &itransform, halfScale);
else return _rasterScaledRleRGBAImage(surface, image, bbox, &itransform, halfScale);
} else {
if (translucent) return _rasterTransformedTranslucentRleRGBAImage(surface, image, opacity, &itransform, halfScale);
else return _rasterTransformedRleRGBAImage(surface, image, &itransform, halfScale);