sw_engine: code refactoring

introduce compositor table for runtime colorspace switching.

Change-Id: If179d1e1625f995e114d66cf1bf13742c54ed4f7
This commit is contained in:
Hermet Park 2020-08-18 20:19:31 +09:00
parent f4d1065d52
commit a5beca7369
6 changed files with 149 additions and 159 deletions

View file

@ -38,8 +38,6 @@ static double timeStamp()
} }
#endif #endif
using namespace tvg;
#define SW_CURVE_TYPE_POINT 0 #define SW_CURVE_TYPE_POINT 0
#define SW_CURVE_TYPE_CUBIC 1 #define SW_CURVE_TYPE_CUBIC 1
#define SW_OUTLINE_FILL_WINDING 0 #define SW_OUTLINE_FILL_WINDING 0
@ -215,58 +213,40 @@ struct SwShape
bool rect; //Fast Track: Othogonal rectangle? bool rect; //Fast Track: Othogonal rectangle?
}; };
struct SwCompositor
{
uint32_t (*join)(uint8_t r, uint8_t g, uint8_t b, uint8_t a);
uint32_t (*alpha)(uint32_t rgba);
};
struct SwSurface : Surface
{
SwCompositor comp;
};
static inline SwCoord TO_SWCOORD(float val) static inline SwCoord TO_SWCOORD(float val)
{ {
return SwCoord(val * 64); return SwCoord(val * 64);
} }
static inline uint32_t RGBA_ALPHA(uint32_t rgba)
{
return rgba & 0x000000ff;
}
static inline uint32_t ARGB_ALPHA(uint32_t argb)
{
return (argb >> 24) & 0xff;
}
static inline uint32_t RGBA_ALPHA_BLEND(uint32_t rgba, uint32_t alpha) static inline uint32_t RGBA_ALPHA_BLEND(uint32_t rgba, uint32_t alpha)
{ {
return (((((rgba >> 8) & 0x00ff00ff) * alpha) & 0xff00ff00) + return (((((rgba >> 8) & 0x00ff00ff) * alpha) & 0xff00ff00) +
((((rgba & 0x00ff00ff) * alpha) >> 8) & 0x00ff00ff)); ((((rgba & 0x00ff00ff) * alpha) >> 8) & 0x00ff00ff));
} }
static inline uint32_t RGBA_INTERPOLATE(uint32_t rgba1, uint32_t a, uint32_t rgba2, uint32_t b) static inline uint32_t RGBA_INTERPOLATE(uint32_t rgba1, uint32_t a, uint32_t rgba2, uint32_t b)
{ {
auto t = (((rgba1 & 0xff00ff) * a + (rgba2 & 0xff00ff) * b) >> 8) & 0xff00ff; auto t = (((rgba1 & 0xff00ff) * a + (rgba2 & 0xff00ff) * b) >> 8) & 0xff00ff;
rgba1 = (((rgba1 >> 8) & 0xff00ff) * a + ((rgba2 >> 8) & 0xff00ff) * b) & 0xff00ff00; rgba1 = (((rgba1 >> 8) & 0xff00ff) * a + ((rgba2 >> 8) & 0xff00ff) * b) & 0xff00ff00;
return (rgba1 |= t); return (rgba1 |= t);
} }
static inline uint32_t RGBA_JOIN(uint8_t r, uint8_t g, uint8_t b, uint8_t a)
{
return (r << 24 | g << 16 | b << 8 | a);
}
static inline uint32_t ARGB_JOIN(uint8_t r, uint8_t g, uint8_t b, uint8_t a)
{
return (a << 24 | r << 16 | g << 8 | b);
}
static inline uint8_t ALPHA_MULTIPLY(uint32_t c, uint32_t a) static inline uint8_t ALPHA_MULTIPLY(uint32_t c, uint32_t a)
{ {
return (c * a) >> 8; return (c * a) >> 8;
} }
int64_t mathMultiply(int64_t a, int64_t b); int64_t mathMultiply(int64_t a, int64_t b);
int64_t mathDivide(int64_t a, int64_t b); int64_t mathDivide(int64_t a, int64_t b);
int64_t mathMulDiv(int64_t a, int64_t b, int64_t c); int64_t mathMulDiv(int64_t a, int64_t b, int64_t c);
@ -290,7 +270,7 @@ void shapeResetStroke(SwShape* shape, const Shape* sdata, const Matrix* transfor
bool shapeGenStrokeRle(SwShape* shape, const Shape* sdata, const Matrix* transform, const SwSize& clip); bool shapeGenStrokeRle(SwShape* shape, const Shape* sdata, const Matrix* transform, const SwSize& clip);
void shapeFree(SwShape* shape); void shapeFree(SwShape* shape);
void shapeDelStroke(SwShape* shape); void shapeDelStroke(SwShape* shape);
bool shapeGenFillColors(SwShape* shape, const Fill* fill, const Matrix* transform, uint32_t cs, bool ctable); bool shapeGenFillColors(SwShape* shape, const Fill* fill, const Matrix* transform, SwSurface* surface, bool ctable);
void shapeResetFill(SwShape* shape); void shapeResetFill(SwShape* shape);
void shapeDelFill(SwShape* shape); void shapeDelFill(SwShape* shape);
@ -299,7 +279,7 @@ bool strokeParseOutline(SwStroke* stroke, const SwOutline& outline);
SwOutline* strokeExportOutline(SwStroke* stroke); SwOutline* strokeExportOutline(SwStroke* stroke);
void strokeFree(SwStroke* stroke); void strokeFree(SwStroke* stroke);
bool fillGenColorTable(SwFill* fill, const Fill* fdata, const Matrix* transform, uint32_t cs, bool ctable); bool fillGenColorTable(SwFill* fill, const Fill* fdata, const Matrix* transform, SwSurface* surface, bool ctable);
void fillReset(SwFill* fill); void fillReset(SwFill* fill);
void fillFree(SwFill* fill); void fillFree(SwFill* fill);
void fillFetchLinear(const SwFill* fill, uint32_t* dst, uint32_t y, uint32_t x, uint32_t offset, uint32_t len); void fillFetchLinear(const SwFill* fill, uint32_t* dst, uint32_t y, uint32_t x, uint32_t offset, uint32_t len);
@ -308,10 +288,11 @@ void fillFetchRadial(const SwFill* fill, uint32_t* dst, uint32_t y, uint32_t x,
SwRleData* rleRender(const SwOutline* outline, const SwBBox& bbox, const SwSize& clip, bool antiAlias); SwRleData* rleRender(const SwOutline* outline, const SwBBox& bbox, const SwSize& clip, bool antiAlias);
void rleFree(SwRleData* rle); void rleFree(SwRleData* rle);
bool rasterGradientShape(Surface& surface, SwShape* shape, unsigned id); bool rasterCompositor(SwSurface* surface);
bool rasterSolidShape(Surface& surface, SwShape* shape, uint8_t r, uint8_t g, uint8_t b, uint8_t a); bool rasterGradientShape(SwSurface* surface, SwShape* shape, unsigned id);
bool rasterStroke(Surface& surface, SwShape* shape, uint8_t r, uint8_t g, uint8_t b, uint8_t a); bool rasterSolidShape(SwSurface* surface, SwShape* shape, uint8_t r, uint8_t g, uint8_t b, uint8_t a);
bool rasterClear(Surface& surface); bool rasterStroke(SwSurface* surface, SwShape* shape, uint8_t r, uint8_t g, uint8_t b, uint8_t a);
bool rasterClear(SwSurface* surface);
static inline void rasterRGBA32(uint32_t *dst, uint32_t val, uint32_t offset, int32_t len) static inline void rasterRGBA32(uint32_t *dst, uint32_t val, uint32_t offset, int32_t len)

View file

@ -34,7 +34,7 @@
#define FIXPT_SIZE (1<<FIXPT_BITS) #define FIXPT_SIZE (1<<FIXPT_BITS)
static bool _updateColorTable(SwFill* fill, const Fill* fdata, uint32_t cs) static bool _updateColorTable(SwFill* fill, const Fill* fdata, SwSurface* surface)
{ {
assert(fill && fdata); assert(fill && fdata);
@ -55,7 +55,7 @@ static bool _updateColorTable(SwFill* fill, const Fill* fdata, uint32_t cs)
auto g = ALPHA_MULTIPLY(pColors->g, pColors->a); auto g = ALPHA_MULTIPLY(pColors->g, pColors->a);
auto b = ALPHA_MULTIPLY(pColors->b, pColors->a); auto b = ALPHA_MULTIPLY(pColors->b, pColors->a);
auto rgba = (cs == SwCanvas::RGBA8888) ? RGBA_JOIN(r, g, b, pColors->a) : ARGB_JOIN(r, g, b, pColors->a); auto rgba = surface->comp.join(r, g, b, pColors->a);
auto inc = 1.0f / static_cast<float>(GRADIENT_STOP_SIZE); auto inc = 1.0f / static_cast<float>(GRADIENT_STOP_SIZE);
auto pos = 1.5f * inc; auto pos = 1.5f * inc;
uint32_t i = 0; uint32_t i = 0;
@ -79,7 +79,7 @@ static bool _updateColorTable(SwFill* fill, const Fill* fdata, uint32_t cs)
auto g = ALPHA_MULTIPLY(next->g, next->a); auto g = ALPHA_MULTIPLY(next->g, next->a);
auto b = ALPHA_MULTIPLY(next->b, next->a); auto b = ALPHA_MULTIPLY(next->b, next->a);
auto rgba2 = (cs == SwCanvas::RGBA8888) ? RGBA_JOIN(r, g, b, next->a) : ARGB_JOIN(r, g, b, next->a); auto rgba2 = surface->comp.join(r, g, b, next->a);
while (pos < next->offset && i < GRADIENT_STOP_SIZE) { while (pos < next->offset && i < GRADIENT_STOP_SIZE) {
auto t = (pos - curr->offset) * delta; auto t = (pos - curr->offset) * delta;
@ -282,7 +282,7 @@ void fillFetchLinear(const SwFill* fill, uint32_t* dst, uint32_t y, uint32_t x,
} }
bool fillGenColorTable(SwFill* fill, const Fill* fdata, const Matrix* transform, uint32_t cs, bool ctable) bool fillGenColorTable(SwFill* fill, const Fill* fdata, const Matrix* transform, SwSurface* surface, bool ctable)
{ {
if (!fill) return false; if (!fill) return false;
@ -291,7 +291,7 @@ bool fillGenColorTable(SwFill* fill, const Fill* fdata, const Matrix* transform,
fill->spread = fdata->spread(); fill->spread = fdata->spread();
if (ctable) { if (ctable) {
if (!_updateColorTable(fill, fdata, cs)) return false; if (!_updateColorTable(fill, fdata, surface)) return false;
} }
if (fdata->id() == FILL_ID_LINEAR) { if (fdata->id() == FILL_ID_LINEAR) {

View file

@ -28,27 +28,51 @@
/* Internal Class Implementation */ /* Internal Class Implementation */
/************************************************************************/ /************************************************************************/
static SwBBox _clipRegion(Surface& surface, SwBBox& in) static uint32_t _rgbaAlpha(uint32_t rgba)
{
return rgba & 0x000000ff;
}
static uint32_t _argbAlpha(uint32_t argb)
{
return (argb >> 24) & 0xff;
}
static uint32_t _rgbaJoin(uint8_t r, uint8_t g, uint8_t b, uint8_t a)
{
return (r << 24 | g << 16 | b << 8 | a);
}
static uint32_t _argbJoin(uint8_t r, uint8_t g, uint8_t b, uint8_t a)
{
return (a << 24 | r << 16 | g << 8 | b);
}
static SwBBox _clipRegion(Surface* surface, SwBBox& in)
{ {
auto bbox = in; auto bbox = in;
if (bbox.min.x < 0) bbox.min.x = 0; if (bbox.min.x < 0) bbox.min.x = 0;
if (bbox.min.y < 0) bbox.min.y = 0; if (bbox.min.y < 0) bbox.min.y = 0;
if (bbox.max.x > static_cast<SwCoord>(surface.w)) bbox.max.x = surface.w; if (bbox.max.x > static_cast<SwCoord>(surface->w)) bbox.max.x = surface->w;
if (bbox.max.y > static_cast<SwCoord>(surface.h)) bbox.max.y = surface.h; if (bbox.max.y > static_cast<SwCoord>(surface->h)) bbox.max.y = surface->h;
return bbox; return bbox;
} }
static bool _rasterTranslucentRect(Surface& surface, const SwBBox& region, uint32_t color) static bool _rasterTranslucentRect(SwSurface* surface, const SwBBox& region, uint32_t color)
{ {
auto buffer = surface.buffer + (region.min.y * surface.stride) + region.min.x; auto buffer = surface->buffer + (region.min.y * surface->stride) + region.min.x;
auto h = static_cast<uint32_t>(region.max.y - region.min.y); auto h = static_cast<uint32_t>(region.max.y - region.min.y);
auto w = static_cast<uint32_t>(region.max.x - region.min.x); auto w = static_cast<uint32_t>(region.max.x - region.min.x);
auto ialpha = 255 - (surface.cs == SwCanvas::RGBA8888)? RGBA_ALPHA(color) : ARGB_ALPHA(color); auto ialpha = 255 - surface->comp.alpha(color);
for (uint32_t y = 0; y < h; ++y) { for (uint32_t y = 0; y < h; ++y) {
auto dst = &buffer[y * surface.stride]; auto dst = &buffer[y * surface->stride];
for (uint32_t x = 0; x < w; ++x) { for (uint32_t x = 0; x < w; ++x) {
dst[x] = color + RGBA_ALPHA_BLEND(dst[x], ialpha); dst[x] = color + RGBA_ALPHA_BLEND(dst[x], ialpha);
} }
@ -57,20 +81,20 @@ static bool _rasterTranslucentRect(Surface& surface, const SwBBox& region, uint3
} }
static bool _rasterSolidRect(Surface& surface, const SwBBox& region, uint32_t color) static bool _rasterSolidRect(SwSurface* surface, const SwBBox& region, uint32_t color)
{ {
auto buffer = surface.buffer + (region.min.y * surface.stride); auto buffer = surface->buffer + (region.min.y * surface->stride);
auto w = static_cast<uint32_t>(region.max.x - region.min.x); auto w = static_cast<uint32_t>(region.max.x - region.min.x);
auto h = static_cast<uint32_t>(region.max.y - region.min.y); auto h = static_cast<uint32_t>(region.max.y - region.min.y);
for (uint32_t y = 0; y < h; ++y) { for (uint32_t y = 0; y < h; ++y) {
rasterRGBA32(buffer + y * surface.stride, color, region.min.x, w); rasterRGBA32(buffer + y * surface->stride, color, region.min.x, w);
} }
return true; return true;
} }
static bool _rasterTranslucentRle(Surface& surface, SwRleData* rle, uint32_t color) static bool _rasterTranslucentRle(SwSurface* surface, SwRleData* rle, uint32_t color)
{ {
if (!rle) return false; if (!rle) return false;
@ -78,10 +102,10 @@ static bool _rasterTranslucentRle(Surface& surface, SwRleData* rle, uint32_t col
uint32_t src; uint32_t src;
for (uint32_t i = 0; i < rle->size; ++i) { for (uint32_t i = 0; i < rle->size; ++i) {
auto dst = &surface.buffer[span->y * surface.stride + span->x]; auto dst = &surface->buffer[span->y * surface->stride + span->x];
if (span->coverage < 255) src = RGBA_ALPHA_BLEND(color, span->coverage); if (span->coverage < 255) src = RGBA_ALPHA_BLEND(color, span->coverage);
else src = color; else src = color;
auto ialpha = 255 - ((surface.cs == SwCanvas::RGBA8888)? RGBA_ALPHA(src) : ARGB_ALPHA(src)); auto ialpha = 255 - surface->comp.alpha(src);
for (uint32_t i = 0; i < span->len; ++i) { for (uint32_t i = 0; i < span->len; ++i) {
dst[i] = src + RGBA_ALPHA_BLEND(dst[i], ialpha); dst[i] = src + RGBA_ALPHA_BLEND(dst[i], ialpha);
} }
@ -91,7 +115,7 @@ static bool _rasterTranslucentRle(Surface& surface, SwRleData* rle, uint32_t col
} }
static bool _rasterSolidRle(Surface& surface, SwRleData* rle, uint32_t color) static bool _rasterSolidRle(SwSurface* surface, SwRleData* rle, uint32_t color)
{ {
if (!rle) return false; if (!rle) return false;
@ -99,9 +123,9 @@ static bool _rasterSolidRle(Surface& surface, SwRleData* rle, uint32_t color)
for (uint32_t i = 0; i < rle->size; ++i) { for (uint32_t i = 0; i < rle->size; ++i) {
if (span->coverage == 255) { if (span->coverage == 255) {
rasterRGBA32(surface.buffer + span->y * surface.stride, color, span->x, span->len); rasterRGBA32(surface->buffer + span->y * surface->stride, color, span->x, span->len);
} else { } else {
auto dst = &surface.buffer[span->y * surface.stride + span->x]; auto dst = &surface->buffer[span->y * surface->stride + span->x];
auto src = RGBA_ALPHA_BLEND(color, span->coverage); auto src = RGBA_ALPHA_BLEND(color, span->coverage);
auto ialpha = 255 - span->coverage; auto ialpha = 255 - span->coverage;
for (uint32_t i = 0; i < span->len; ++i) { for (uint32_t i = 0; i < span->len; ++i) {
@ -114,74 +138,62 @@ static bool _rasterSolidRle(Surface& surface, SwRleData* rle, uint32_t color)
} }
static bool _rasterLinearGradientRect(Surface& surface, const SwBBox& region, const SwFill* fill) static bool _rasterLinearGradientRect(SwSurface* surface, const SwBBox& region, const SwFill* fill)
{ {
if (!fill) return false; if (!fill) return false;
auto buffer = surface.buffer + (region.min.y * surface.stride) + region.min.x; auto buffer = surface->buffer + (region.min.y * surface->stride) + region.min.x;
auto h = static_cast<uint32_t>(region.max.y - region.min.y); auto h = static_cast<uint32_t>(region.max.y - region.min.y);
auto w = static_cast<uint32_t>(region.max.x - region.min.x); auto w = static_cast<uint32_t>(region.max.x - region.min.x);
//Translucent Gradient //Translucent Gradient
if (fill->translucent) { if (fill->translucent) {
auto tmpBuf = static_cast<uint32_t*>(alloca(surface.w * sizeof(uint32_t))); auto tmpBuf = static_cast<uint32_t*>(alloca(surface->w * sizeof(uint32_t)));
if (!tmpBuf) return false; if (!tmpBuf) return false;
for (uint32_t y = 0; y < h; ++y) { for (uint32_t y = 0; y < h; ++y) {
auto dst = &buffer[y * surface.stride]; auto dst = &buffer[y * surface->stride];
fillFetchLinear(fill, tmpBuf, region.min.y + y, region.min.x, 0, w); fillFetchLinear(fill, tmpBuf, region.min.y + y, region.min.x, 0, w);
if (surface.cs == SwCanvas::RGBA8888) { for (uint32_t x = 0; x < w; ++x) {
for (uint32_t x = 0; x < w; ++x) { dst[x] = tmpBuf[x] + RGBA_ALPHA_BLEND(dst[x], 255 - surface->comp.alpha(tmpBuf[x]));
dst[x] = tmpBuf[x] + RGBA_ALPHA_BLEND(dst[x], 255 - RGBA_ALPHA(tmpBuf[x]));
}
} else {
for (uint32_t x = 0; x < w; ++x) {
dst[x] = tmpBuf[x] + RGBA_ALPHA_BLEND(dst[x], 255 - ARGB_ALPHA(tmpBuf[x]));
}
} }
} }
//Opaque Gradient //Opaque Gradient
} else { } else {
for (uint32_t y = 0; y < h; ++y) { for (uint32_t y = 0; y < h; ++y) {
fillFetchLinear(fill, buffer + y * surface.stride, region.min.y + y, region.min.x, 0, w); fillFetchLinear(fill, buffer + y * surface->stride, region.min.y + y, region.min.x, 0, w);
} }
} }
return true; return true;
} }
static bool _rasterRadialGradientRect(Surface& surface, const SwBBox& region, const SwFill* fill) static bool _rasterRadialGradientRect(SwSurface* surface, const SwBBox& region, const SwFill* fill)
{ {
if (!fill) return false; if (!fill) return false;
auto buffer = surface.buffer + (region.min.y * surface.stride) + region.min.x; auto buffer = surface->buffer + (region.min.y * surface->stride) + region.min.x;
auto h = static_cast<uint32_t>(region.max.y - region.min.y); auto h = static_cast<uint32_t>(region.max.y - region.min.y);
auto w = static_cast<uint32_t>(region.max.x - region.min.x); auto w = static_cast<uint32_t>(region.max.x - region.min.x);
//Translucent Gradient //Translucent Gradient
if (fill->translucent) { if (fill->translucent) {
auto tmpBuf = static_cast<uint32_t*>(alloca(surface.w * sizeof(uint32_t))); auto tmpBuf = static_cast<uint32_t*>(alloca(surface->w * sizeof(uint32_t)));
if (!tmpBuf) return false; if (!tmpBuf) return false;
for (uint32_t y = 0; y < h; ++y) { for (uint32_t y = 0; y < h; ++y) {
auto dst = &buffer[y * surface.stride]; auto dst = &buffer[y * surface->stride];
fillFetchRadial(fill, tmpBuf, region.min.y + y, region.min.x, w); fillFetchRadial(fill, tmpBuf, region.min.y + y, region.min.x, w);
if (surface.cs == SwCanvas::RGBA8888) { for (uint32_t x = 0; x < w; ++x) {
for (uint32_t x = 0; x < w; ++x) { dst[x] = tmpBuf[x] + RGBA_ALPHA_BLEND(dst[x], 255 - surface->comp.alpha(tmpBuf[x]));
dst[x] = tmpBuf[x] + RGBA_ALPHA_BLEND(dst[x], 255 - RGBA_ALPHA(tmpBuf[x]));
}
} else {
for (uint32_t x = 0; x < w; ++x) {
dst[x] = tmpBuf[x] + RGBA_ALPHA_BLEND(dst[x], 255 - ARGB_ALPHA(tmpBuf[x]));
}
} }
} }
//Opaque Gradient //Opaque Gradient
} else { } else {
for (uint32_t y = 0; y < h; ++y) { for (uint32_t y = 0; y < h; ++y) {
auto dst = &buffer[y * surface.stride]; auto dst = &buffer[y * surface->stride];
fillFetchRadial(fill, dst, region.min.y + y, region.min.x, w); fillFetchRadial(fill, dst, region.min.y + y, region.min.x, w);
} }
} }
@ -189,11 +201,11 @@ static bool _rasterRadialGradientRect(Surface& surface, const SwBBox& region, co
} }
static bool _rasterLinearGradientRle(Surface& surface, SwRleData* rle, const SwFill* fill) static bool _rasterLinearGradientRle(SwSurface* surface, SwRleData* rle, const SwFill* fill)
{ {
if (!rle || !fill) return false; if (!rle || !fill) return false;
auto buf = static_cast<uint32_t*>(alloca(surface.w * sizeof(uint32_t))); auto buf = static_cast<uint32_t*>(alloca(surface->w * sizeof(uint32_t)));
if (!buf) return false; if (!buf) return false;
auto span = rle->spans; auto span = rle->spans;
@ -201,29 +213,16 @@ static bool _rasterLinearGradientRle(Surface& surface, SwRleData* rle, const SwF
//Translucent Gradient //Translucent Gradient
if (fill->translucent) { if (fill->translucent) {
for (uint32_t i = 0; i < rle->size; ++i) { for (uint32_t i = 0; i < rle->size; ++i) {
auto dst = &surface.buffer[span->y * surface.stride + span->x]; auto dst = &surface->buffer[span->y * surface->stride + span->x];
fillFetchLinear(fill, buf, span->y, span->x, 0, span->len); fillFetchLinear(fill, buf, span->y, span->x, 0, span->len);
if (surface.cs == SwCanvas::RGBA8888) { if (span->coverage == 255) {
if (span->coverage == 255) { for (uint32_t i = 0; i < span->len; ++i) {
for (uint32_t i = 0; i < span->len; ++i) { dst[i] = buf[i] + RGBA_ALPHA_BLEND(dst[i], 255 - surface->comp.alpha(buf[i]));
dst[i] = buf[i] + RGBA_ALPHA_BLEND(dst[i], 255 - RGBA_ALPHA(buf[i]));
}
} else {
for (uint32_t i = 0; i < span->len; ++i) {
auto tmp = RGBA_ALPHA_BLEND(buf[i], span->coverage);
dst[i] = tmp + RGBA_ALPHA_BLEND(dst[i], 255 - RGBA_ALPHA(tmp));
}
} }
} else { } else {
if (span->coverage == 255) { for (uint32_t i = 0; i < span->len; ++i) {
for (uint32_t i = 0; i < span->len; ++i) { auto tmp = RGBA_ALPHA_BLEND(buf[i], span->coverage);
dst[i] = buf[i] + RGBA_ALPHA_BLEND(dst[i], 255 - ARGB_ALPHA(buf[i])); dst[i] = tmp + RGBA_ALPHA_BLEND(dst[i], 255 - surface->comp.alpha(tmp));
}
} else {
for (uint32_t i = 0; i < span->len; ++i) {
auto tmp = RGBA_ALPHA_BLEND(buf[i], span->coverage);
dst[i] = tmp + RGBA_ALPHA_BLEND(dst[i], 255 - ARGB_ALPHA(tmp));
}
} }
} }
++span; ++span;
@ -232,9 +231,9 @@ static bool _rasterLinearGradientRle(Surface& surface, SwRleData* rle, const SwF
} else { } else {
for (uint32_t i = 0; i < rle->size; ++i) { for (uint32_t i = 0; i < rle->size; ++i) {
if (span->coverage == 255) { if (span->coverage == 255) {
fillFetchLinear(fill, surface.buffer + span->y * surface.stride, span->y, span->x, span->x, span->len); fillFetchLinear(fill, surface->buffer + span->y * surface->stride, span->y, span->x, span->x, span->len);
} else { } else {
auto dst = &surface.buffer[span->y * surface.stride + span->x]; auto dst = &surface->buffer[span->y * surface->stride + span->x];
fillFetchLinear(fill, buf, span->y, span->x, 0, span->len); fillFetchLinear(fill, buf, span->y, span->x, 0, span->len);
auto ialpha = 255 - span->coverage; auto ialpha = 255 - span->coverage;
for (uint32_t i = 0; i < span->len; ++i) { for (uint32_t i = 0; i < span->len; ++i) {
@ -248,11 +247,11 @@ static bool _rasterLinearGradientRle(Surface& surface, SwRleData* rle, const SwF
} }
static bool _rasterRadialGradientRle(Surface& surface, SwRleData* rle, const SwFill* fill) static bool _rasterRadialGradientRle(SwSurface* surface, SwRleData* rle, const SwFill* fill)
{ {
if (!rle || !fill) return false; if (!rle || !fill) return false;
auto buf = static_cast<uint32_t*>(alloca(surface.w * sizeof(uint32_t))); auto buf = static_cast<uint32_t*>(alloca(surface->w * sizeof(uint32_t)));
if (!buf) return false; if (!buf) return false;
auto span = rle->spans; auto span = rle->spans;
@ -260,29 +259,16 @@ static bool _rasterRadialGradientRle(Surface& surface, SwRleData* rle, const SwF
//Translucent Gradient //Translucent Gradient
if (fill->translucent) { if (fill->translucent) {
for (uint32_t i = 0; i < rle->size; ++i) { for (uint32_t i = 0; i < rle->size; ++i) {
auto dst = &surface.buffer[span->y * surface.stride + span->x]; auto dst = &surface->buffer[span->y * surface->stride + span->x];
fillFetchRadial(fill, buf, span->y, span->x, span->len); fillFetchRadial(fill, buf, span->y, span->x, span->len);
if (surface.cs == SwCanvas::RGBA8888) { if (span->coverage == 255) {
if (span->coverage == 255) { for (uint32_t i = 0; i < span->len; ++i) {
for (uint32_t i = 0; i < span->len; ++i) { dst[i] = buf[i] + RGBA_ALPHA_BLEND(dst[i], 255 - surface->comp.alpha(buf[i]));
dst[i] = buf[i] + RGBA_ALPHA_BLEND(dst[i], 255 - RGBA_ALPHA(buf[i]));
}
} else {
for (uint32_t i = 0; i < span->len; ++i) {
auto tmp = RGBA_ALPHA_BLEND(buf[i], span->coverage);
dst[i] = tmp + RGBA_ALPHA_BLEND(dst[i], 255 - RGBA_ALPHA(tmp));
}
} }
} else { } else {
if (span->coverage == 255) { for (uint32_t i = 0; i < span->len; ++i) {
for (uint32_t i = 0; i < span->len; ++i) { auto tmp = RGBA_ALPHA_BLEND(buf[i], span->coverage);
dst[i] = buf[i] + RGBA_ALPHA_BLEND(dst[i], 255 - ARGB_ALPHA(buf[i])); dst[i] = tmp + RGBA_ALPHA_BLEND(dst[i], 255 - surface->comp.alpha(tmp));
}
} else {
for (uint32_t i = 0; i < span->len; ++i) {
auto tmp = RGBA_ALPHA_BLEND(buf[i], span->coverage);
dst[i] = tmp + RGBA_ALPHA_BLEND(dst[i], 255 - ARGB_ALPHA(tmp));
}
} }
} }
++span; ++span;
@ -290,7 +276,7 @@ static bool _rasterRadialGradientRle(Surface& surface, SwRleData* rle, const SwF
//Opaque Gradient //Opaque Gradient
} else { } else {
for (uint32_t i = 0; i < rle->size; ++i) { for (uint32_t i = 0; i < rle->size; ++i) {
auto dst = &surface.buffer[span->y * surface.stride + span->x]; auto dst = &surface->buffer[span->y * surface->stride + span->x];
if (span->coverage == 255) { if (span->coverage == 255) {
fillFetchRadial(fill, dst, span->y, span->x, span->len); fillFetchRadial(fill, dst, span->y, span->x, span->len);
} else { } else {
@ -311,7 +297,24 @@ static bool _rasterRadialGradientRle(Surface& surface, SwRleData* rle, const SwF
/* External Class Implementation */ /* External Class Implementation */
/************************************************************************/ /************************************************************************/
bool rasterGradientShape(Surface& surface, SwShape* shape, unsigned id) bool rasterCompositor(SwSurface* surface)
{
if (surface->cs == SwCanvas::RGBA8888) {
surface->comp.alpha = _rgbaAlpha;
surface->comp.join = _rgbaJoin;
} else if (surface->cs == SwCanvas::ARGB8888) {
surface->comp.alpha = _argbAlpha;
surface->comp.join = _argbJoin;
} else {
//What Color Space ???
return false;
}
return true;
}
bool rasterGradientShape(SwSurface* surface, SwShape* shape, unsigned id)
{ {
//Fast Track //Fast Track
if (shape->rect) { if (shape->rect) {
@ -326,13 +329,13 @@ bool rasterGradientShape(Surface& surface, SwShape* shape, unsigned id)
} }
bool rasterSolidShape(Surface& surface, SwShape* shape, uint8_t r, uint8_t g, uint8_t b, uint8_t a) bool rasterSolidShape(SwSurface* surface, SwShape* shape, uint8_t r, uint8_t g, uint8_t b, uint8_t a)
{ {
r = ALPHA_MULTIPLY(r, a); r = ALPHA_MULTIPLY(r, a);
g = ALPHA_MULTIPLY(g, a); g = ALPHA_MULTIPLY(g, a);
b = ALPHA_MULTIPLY(b, a); b = ALPHA_MULTIPLY(b, a);
auto color = (surface.cs == SwCanvas::RGBA8888) ? RGBA_JOIN(r, g, b, a) : ARGB_JOIN(r, g, b, a); auto color = surface->comp.join(r, g, b, a);
//Fast Track //Fast Track
if (shape->rect) { if (shape->rect) {
@ -347,28 +350,28 @@ bool rasterSolidShape(Surface& surface, SwShape* shape, uint8_t r, uint8_t g, ui
} }
bool rasterStroke(Surface& surface, SwShape* shape, uint8_t r, uint8_t g, uint8_t b, uint8_t a) bool rasterStroke(SwSurface* surface, SwShape* shape, uint8_t r, uint8_t g, uint8_t b, uint8_t a)
{ {
r = ALPHA_MULTIPLY(r, a); r = ALPHA_MULTIPLY(r, a);
g = ALPHA_MULTIPLY(g, a); g = ALPHA_MULTIPLY(g, a);
b = ALPHA_MULTIPLY(b, a); b = ALPHA_MULTIPLY(b, a);
auto color = (surface.cs == SwCanvas::RGBA8888) ? RGBA_JOIN(r, g, b, a) : ARGB_JOIN(r, g, b, a); auto color = surface->comp.join(r, g, b, a);
if (a == 255) return _rasterSolidRle(surface, shape->strokeRle, color); if (a == 255) return _rasterSolidRle(surface, shape->strokeRle, color);
return _rasterTranslucentRle(surface, shape->strokeRle, color); return _rasterTranslucentRle(surface, shape->strokeRle, color);
} }
bool rasterClear(Surface& surface) bool rasterClear(SwSurface* surface)
{ {
if (!surface.buffer || surface.stride <= 0 || surface.w <= 0 || surface.h <= 0) return false; if (!surface || !surface->buffer || surface->stride <= 0 || surface->w <= 0 || surface->h <= 0) return false;
if (surface.w == surface.stride) { if (surface->w == surface->stride) {
rasterRGBA32(surface.buffer, 0x00000000, 0, surface.w * surface.h); rasterRGBA32(surface->buffer, 0x00000000, 0, surface->w * surface->h);
} else { } else {
for (uint32_t i = 0; i < surface.h; i++) { for (uint32_t i = 0; i < surface->h; i++) {
rasterRGBA32(surface.buffer + surface.stride * i, 0x00000000, 0, surface.w); rasterRGBA32(surface->buffer + surface->stride * i, 0x00000000, 0, surface->w);
} }
} }
return true; return true;

View file

@ -37,6 +37,7 @@ static RenderInitializer renderInit;
SwRenderer::~SwRenderer() SwRenderer::~SwRenderer()
{ {
if (surface) delete(surface);
} }
@ -44,13 +45,18 @@ bool SwRenderer::target(uint32_t* buffer, uint32_t stride, uint32_t w, uint32_t
{ {
if (!buffer || stride == 0 || w == 0 || h == 0) return false; if (!buffer || stride == 0 || w == 0 || h == 0) return false;
surface.buffer = buffer; if (!surface) {
surface.stride = stride; surface = new SwSurface;
surface.w = w; if (!surface) return false;
surface.h = h; }
surface.cs = cs;
return true; surface->buffer = buffer;
surface->stride = stride;
surface->w = w;
surface->h = h;
surface->cs = cs;
return rasterCompositor(surface);
} }
@ -100,7 +106,7 @@ void* SwRenderer::prepare(const Shape& sdata, void* data, const RenderTransform*
if (flags == RenderUpdateFlag::None) return shape; if (flags == RenderUpdateFlag::None) return shape;
SwSize clip = {static_cast<SwCoord>(surface.w), static_cast<SwCoord>(surface.h)}; SwSize clip = {static_cast<SwCoord>(surface->w), static_cast<SwCoord>(surface->h)};
//Valid Stroking? //Valid Stroking?
uint8_t strokeAlpha = 0; uint8_t strokeAlpha = 0;
@ -130,7 +136,7 @@ void* SwRenderer::prepare(const Shape& sdata, void* data, const RenderTransform*
if (fill) { if (fill) {
auto ctable = (flags & RenderUpdateFlag::Gradient) ? true : false; auto ctable = (flags & RenderUpdateFlag::Gradient) ? true : false;
if (ctable) shapeResetFill(shape); if (ctable) shapeResetFill(shape);
if (!shapeGenFillColors(shape, fill, matrix, surface.cs, ctable)) return shape; if (!shapeGenFillColors(shape, fill, matrix, surface, ctable)) return shape;
} else { } else {
shapeDelFill(shape); shapeDelFill(shape);
} }

View file

@ -22,11 +22,11 @@
#ifndef _TVG_SW_RENDERER_H_ #ifndef _TVG_SW_RENDERER_H_
#define _TVG_SW_RENDERER_H_ #define _TVG_SW_RENDERER_H_
struct SwSurface;
namespace tvg namespace tvg
{ {
struct SwTask;
class SwRenderer : public RenderMethod class SwRenderer : public RenderMethod
{ {
public: public:
@ -43,7 +43,7 @@ public:
static int term(); static int term();
private: private:
Surface surface = {nullptr, 0, 0, 0}; SwSurface* surface = nullptr;
SwRenderer(){}; SwRenderer(){};
~SwRenderer(); ~SwRenderer();

View file

@ -672,9 +672,9 @@ bool shapeGenStrokeRle(SwShape* shape, const Shape* sdata, const Matrix* transfo
} }
bool shapeGenFillColors(SwShape* shape, const Fill* fill, const Matrix* transform, uint32_t cs, bool ctable) bool shapeGenFillColors(SwShape* shape, const Fill* fill, const Matrix* transform, SwSurface* surface, bool ctable)
{ {
return fillGenColorTable(shape->fill, fill, transform, cs, ctable); return fillGenColorTable(shape->fill, fill, transform, surface, ctable);
} }