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-rw-r--r--src/gui/painting/qdrawhelper.cpp276
1 files changed, 61 insertions, 215 deletions
diff --git a/src/gui/painting/qdrawhelper.cpp b/src/gui/painting/qdrawhelper.cpp
index 6561419..322882d 100644
--- a/src/gui/painting/qdrawhelper.cpp
+++ b/src/gui/painting/qdrawhelper.cpp
@@ -5143,7 +5143,7 @@ static void blend_tiled_rgb444(int count, const QSpan *spans, void *userData)
}
-template <SpanMethod spanMethod>
+template <SpanMethod spanMethod, TextureBlendType blendType> /* blendType must be either BlendTransformedBilinear or BlendTransformedBilinearTiled */
Q_STATIC_TEMPLATE_FUNCTION void blend_transformed_bilinear_argb(int count, const QSpan *spans, void *userData)
{
QSpanData *data = reinterpret_cast<QSpanData *>(userData);
@@ -5156,10 +5156,12 @@ Q_STATIC_TEMPLATE_FUNCTION void blend_transformed_bilinear_argb(int count, const
CompositionFunction func = functionForMode[data->rasterBuffer->compositionMode];
uint buffer[buffer_size];
- int image_x1 = data->texture.x1;
- int image_y1 = data->texture.y1;
- int image_x2 = data->texture.x2;
- int image_y2 = data->texture.y2;
+ const int image_x1 = data->texture.x1;
+ const int image_y1 = data->texture.y1;
+ const int image_x2 = data->texture.x2;
+ const int image_y2 = data->texture.y2;
+ const int image_width = data->texture.width;
+ const int image_height = data->texture.height;
const int scanline_offset = data->texture.bytesPerLine / 4;
if (data->fast_matrix) {
@@ -5193,15 +5195,27 @@ Q_STATIC_TEMPLATE_FUNCTION void blend_transformed_bilinear_argb(int count, const
int y1 = (y >> 16);
int y2 = y1 + 1;
- int distx = ((x - (x1 << 16)) >> 8);
- int disty = ((y - (y1 << 16)) >> 8);
- int idistx = 256 - distx;
- int idisty = 256 - disty;
-
- x1 = qBound(image_x1, x1, image_x2 - 1);
- x2 = qBound(image_x1, x2, image_x2 - 1);
- y1 = qBound(image_y1, y1, image_y2 - 1);
- y2 = qBound(image_y1, y2, image_y2 - 1);
+ if (blendType == BlendTransformedBilinearTiled) {
+ x1 %= image_width;
+ x2 %= image_width;
+ y1 %= image_height;
+ y2 %= image_height;
+
+ if (x1 < 0) x1 += image_width;
+ if (x2 < 0) x2 += image_width;
+ if (y1 < 0) y1 += image_height;
+ if (y2 < 0) y2 += image_height;
+
+ Q_ASSERT(x1 >= 0 && x1 < image_width);
+ Q_ASSERT(x2 >= 0 && x2 < image_width);
+ Q_ASSERT(y1 >= 0 && y1 < image_height);
+ Q_ASSERT(y2 >= 0 && y2 < image_height);
+ } else {
+ x1 = qBound(image_x1, x1, image_x2 - 1);
+ x2 = qBound(image_x1, x2, image_x2 - 1);
+ y1 = qBound(image_y1, y1, image_y2 - 1);
+ y2 = qBound(image_y1, y2, image_y2 - 1);
+ }
int y1_offset = y1 * scanline_offset;
int y2_offset = y2 * scanline_offset;
@@ -5218,6 +5232,11 @@ Q_STATIC_TEMPLATE_FUNCTION void blend_transformed_bilinear_argb(int count, const
uint br = image_bits[y2_offset + x2];
#endif
+ int distx = (x & 0x0000ffff) >> 8;
+ int disty = (y & 0x0000ffff) >> 8;
+ int idistx = 256 - distx;
+ int idisty = 256 - disty;
+
uint xtop = INTERPOLATE_PIXEL_256(tl, idistx, tr, distx);
uint xbot = INTERPOLATE_PIXEL_256(bl, idistx, br, distx);
*b = INTERPOLATE_PIXEL_256(xtop, idisty, xbot, disty);
@@ -5276,10 +5295,27 @@ Q_STATIC_TEMPLATE_FUNCTION void blend_transformed_bilinear_argb(int count, const
int idistx = 256 - distx;
int idisty = 256 - disty;
- x1 = qBound(image_x1, x1, image_x2 - 1);
- x2 = qBound(image_x1, x2, image_x2 - 1);
- y1 = qBound(image_y1, y1, image_y2 - 1);
- y2 = qBound(image_y1, y2, image_y2 - 1);
+ if (blendType == BlendTransformedBilinearTiled) {
+ x1 %= image_width;
+ x2 %= image_width;
+ y1 %= image_height;
+ y2 %= image_height;
+
+ if (x1 < 0) x1 += image_width;
+ if (x2 < 0) x2 += image_width;
+ if (y1 < 0) y1 += image_height;
+ if (y2 < 0) y2 += image_height;
+
+ Q_ASSERT(x1 >= 0 && x1 < image_width);
+ Q_ASSERT(x2 >= 0 && x2 < image_width);
+ Q_ASSERT(y1 >= 0 && y1 < image_height);
+ Q_ASSERT(y2 >= 0 && y2 < image_height);
+ } else {
+ x1 = qBound(image_x1, x1, image_x2 - 1);
+ x2 = qBound(image_x1, x2, image_x2 - 1);
+ y1 = qBound(image_y1, y1, image_y2 - 1);
+ y2 = qBound(image_y1, y2, image_y2 - 1);
+ }
int y1_offset = y1 * scanline_offset;
int y2_offset = y2 * scanline_offset;
@@ -5372,8 +5408,9 @@ Q_STATIC_TEMPLATE_FUNCTION void blendTransformedBilinear(int count, const QSpan
int y1 = (y >> 16);
int y2 = y1 + 1;
- const int distx = ((x - (x1 << 16)) >> 8);
- const int disty = ((y - (y1 << 16)) >> 8);
+ const int distx = (x & 0x0000ffff) >> 8;
+ const int disty = (y & 0x0000ffff) >> 8;
+
x1 = qBound(src_minx, x1, src_maxx);
x2 = qBound(src_minx, x2, src_maxx);
y1 = qBound(src_miny, y1, src_maxy);
@@ -5648,197 +5685,6 @@ static void blend_transformed_bilinear_rgb444(int count, const QSpan *spans, voi
}
template <SpanMethod spanMethod>
-Q_STATIC_TEMPLATE_FUNCTION void blend_transformed_bilinear_tiled_argb(int count, const QSpan *spans, void *userData)
-{
- QSpanData *data = reinterpret_cast<QSpanData *>(userData);
- if (data->texture.format != QImage::Format_ARGB32_Premultiplied
- && data->texture.format != QImage::Format_RGB32) {
- blend_src_generic<spanMethod>(count, spans, userData);
- return;
- }
-
- CompositionFunction func = functionForMode[data->rasterBuffer->compositionMode];
- uint buffer[buffer_size];
-
- int image_width = data->texture.width;
- int image_height = data->texture.height;
- const int scanline_offset = data->texture.bytesPerLine / 4;
-
- if (data->fast_matrix) {
- // The increment pr x in the scanline
- int fdx = (int)(data->m11 * fixed_scale);
- int fdy = (int)(data->m12 * fixed_scale);
-
- while (count--) {
- void *t = data->rasterBuffer->scanLine(spans->y);
-
- uint *target = ((uint *)t) + spans->x;
- uint *image_bits = (uint *)data->texture.imageData;
-
- const qreal cx = spans->x + 0.5;
- const qreal cy = spans->y + 0.5;
-
- int x = int((data->m21 * cy
- + data->m11 * cx + data->dx) * fixed_scale) - half_point;
- int y = int((data->m22 * cy
- + data->m12 * cx + data->dy) * fixed_scale) - half_point;
-
- int length = spans->len;
- const int coverage = (spans->coverage * data->texture.const_alpha) >> 8;
- while (length) {
- int l = qMin(length, buffer_size);
- const uint *end = buffer + l;
- uint *b = buffer;
- while (b < end) {
- int x1 = (x >> 16);
- int x2 = (x1 + 1);
- int y1 = (y >> 16);
- int y2 = (y1 + 1);
-
- int distx = ((x - (x1 << 16)) >> 8);
- int disty = ((y - (y1 << 16)) >> 8);
- int idistx = 256 - distx;
- int idisty = 256 - disty;
-
- x1 %= image_width;
- x2 %= image_width;
- y1 %= image_height;
- y2 %= image_height;
-
- if (x1 < 0) x1 += image_width;
- if (x2 < 0) x2 += image_width;
- if (y1 < 0) y1 += image_height;
- if (y2 < 0) y2 += image_height;
-
- Q_ASSERT(x1 >= 0 && x1 < image_width);
- Q_ASSERT(x2 >= 0 && x2 < image_width);
- Q_ASSERT(y1 >= 0 && y1 < image_height);
- Q_ASSERT(y2 >= 0 && y2 < image_height);
-
- int y1_offset = y1 * scanline_offset;
- int y2_offset = y2 * scanline_offset;
-
-#if defined(Q_IRIX_GCC3_3_WORKAROUND)
- uint tl = gccBug(image_bits[y1_offset + x1]);
- uint tr = gccBug(image_bits[y1_offset + x2]);
- uint bl = gccBug(image_bits[y2_offset + x1]);
- uint br = gccBug(image_bits[y2_offset + x2]);
-#else
- uint tl = image_bits[y1_offset + x1];
- uint tr = image_bits[y1_offset + x2];
- uint bl = image_bits[y2_offset + x1];
- uint br = image_bits[y2_offset + x2];
-#endif
-
- uint xtop = INTERPOLATE_PIXEL_256(tl, idistx, tr, distx);
- uint xbot = INTERPOLATE_PIXEL_256(bl, idistx, br, distx);
- *b = INTERPOLATE_PIXEL_256(xtop, idisty, xbot, disty);
- ++b;
- x += fdx;
- y += fdy;
- }
- if (spanMethod == RegularSpans)
- func(target, buffer, l, coverage);
- else
- drawBufferSpan(data, buffer, buffer_size,
- spans->x + spans->len - length,
- spans->y, l, coverage);
- target += l;
- length -= l;
- }
- ++spans;
- }
- } else {
- const qreal fdx = data->m11;
- const qreal fdy = data->m12;
- const qreal fdw = data->m13;
- while (count--) {
- void *t = data->rasterBuffer->scanLine(spans->y);
-
- uint *target = ((uint *)t) + spans->x;
- uint *image_bits = (uint *)data->texture.imageData;
-
- const qreal cx = spans->x + 0.5;
- const qreal cy = spans->y + 0.5;
-
- qreal x = data->m21 * cy + data->m11 * cx + data->dx;
- qreal y = data->m22 * cy + data->m12 * cx + data->dy;
- qreal w = data->m23 * cy + data->m13 * cx + data->m33;
-
- int length = spans->len;
- const int coverage = (spans->coverage * data->texture.const_alpha) >> 8;
- while (length) {
- int l = qMin(length, buffer_size);
- const uint *end = buffer + l;
- uint *b = buffer;
- while (b < end) {
- const qreal iw = w == 0 ? 1 : 1 / w;
- const qreal px = x * iw - 0.5;
- const qreal py = y * iw - 0.5;
-
- int x1 = int(px) - (px < 0);
- int x2 = x1 + 1;
- int y1 = int(py) - (py < 0);
- int y2 = y1 + 1;
-
- int distx = int((px - x1) * 256);
- int disty = int((py - y1) * 256);
- int idistx = 256 - distx;
- int idisty = 256 - disty;
-
- x1 %= image_width;
- x2 %= image_width;
- y1 %= image_height;
- y2 %= image_height;
-
- if (x1 < 0) x1 += image_width;
- if (x2 < 0) x2 += image_width;
- if (y1 < 0) y1 += image_height;
- if (y2 < 0) y2 += image_height;
-
- Q_ASSERT(x1 >= 0 && x1 < image_width);
- Q_ASSERT(x2 >= 0 && x2 < image_width);
- Q_ASSERT(y1 >= 0 && y1 < image_height);
- Q_ASSERT(y2 >= 0 && y2 < image_height);
-
- int y1_offset = y1 * scanline_offset;
- int y2_offset = y2 * scanline_offset;
-
-#if defined(Q_IRIX_GCC3_3_WORKAROUND)
- uint tl = gccBug(image_bits[y1_offset + x1]);
- uint tr = gccBug(image_bits[y1_offset + x2]);
- uint bl = gccBug(image_bits[y2_offset + x1]);
- uint br = gccBug(image_bits[y2_offset + x2]);
-#else
- uint tl = image_bits[y1_offset + x1];
- uint tr = image_bits[y1_offset + x2];
- uint bl = image_bits[y2_offset + x1];
- uint br = image_bits[y2_offset + x2];
-#endif
-
- uint xtop = INTERPOLATE_PIXEL_256(tl, idistx, tr, distx);
- uint xbot = INTERPOLATE_PIXEL_256(bl, idistx, br, distx);
- *b = INTERPOLATE_PIXEL_256(xtop, idisty, xbot, disty);
- ++b;
- x += fdx;
- y += fdy;
- w += fdw;
- }
- if (spanMethod == RegularSpans)
- func(target, buffer, l, coverage);
- else
- drawBufferSpan(data, buffer, buffer_size,
- spans->x + spans->len - length,
- spans->y, l, coverage);
- target += l;
- length -= l;
- }
- ++spans;
- }
- }
-}
-
-template <SpanMethod spanMethod>
Q_STATIC_TEMPLATE_FUNCTION void blend_transformed_argb(int count, const QSpan *spans, void *userData)
{
QSpanData *data = reinterpret_cast<QSpanData *>(userData);
@@ -6740,7 +6586,7 @@ static const ProcessSpans processTextureSpans[NBlendTypes][QImage::NImageFormats
SPANFUNC_POINTER(blend_src_generic, RegularSpans), // Indexed8
SPANFUNC_POINTER(blend_src_generic, RegularSpans), // RGB32
SPANFUNC_POINTER(blend_src_generic, RegularSpans), // ARGB32
- SPANFUNC_POINTER(blend_transformed_bilinear_argb, RegularSpans), // ARGB32_Premultiplied
+ blend_transformed_bilinear_argb<RegularSpans, BlendTransformedBilinear>, // ARGB32_Premultiplied
blend_transformed_bilinear_rgb565,
blend_transformed_bilinear_argb8565,
blend_transformed_bilinear_rgb666,
@@ -6759,7 +6605,7 @@ static const ProcessSpans processTextureSpans[NBlendTypes][QImage::NImageFormats
SPANFUNC_POINTER(blend_src_generic, RegularSpans), // Indexed8
SPANFUNC_POINTER(blend_src_generic, RegularSpans), // RGB32
SPANFUNC_POINTER(blend_src_generic, RegularSpans), // ARGB32
- SPANFUNC_POINTER(blend_transformed_bilinear_tiled_argb, RegularSpans), // ARGB32_Premultiplied
+ blend_transformed_bilinear_argb<RegularSpans, BlendTransformedBilinearTiled>, // ARGB32_Premultiplied
SPANFUNC_POINTER(blend_src_generic, RegularSpans), // RGB16
SPANFUNC_POINTER(blend_src_generic, RegularSpans), // ARGB8565_Premultiplied
SPANFUNC_POINTER(blend_src_generic, RegularSpans), // RGB666
@@ -6858,7 +6704,7 @@ static const ProcessSpans processTextureSpansCallback[NBlendTypes][QImage::NImag
blend_src_generic<CallbackSpans>, // Indexed8
blend_src_generic<CallbackSpans>, // RGB32
blend_src_generic<CallbackSpans>, // ARGB32
- blend_transformed_bilinear_argb<CallbackSpans>, // ARGB32_Premultiplied
+ blend_transformed_bilinear_argb<CallbackSpans, BlendTransformedBilinear>, // ARGB32_Premultiplied
blend_src_generic<CallbackSpans>, // RGB16
blend_src_generic<CallbackSpans>, // ARGB8565_Premultiplied
blend_src_generic<CallbackSpans>, // RGB666
@@ -6877,7 +6723,7 @@ static const ProcessSpans processTextureSpansCallback[NBlendTypes][QImage::NImag
blend_src_generic<CallbackSpans>, // Indexed8
blend_src_generic<CallbackSpans>, // RGB32
blend_src_generic<CallbackSpans>, // ARGB32
- blend_transformed_bilinear_tiled_argb<CallbackSpans>, // ARGB32_Premultiplied
+ blend_transformed_bilinear_argb<CallbackSpans, BlendTransformedBilinearTiled>, // ARGB32_Premultiplied
blend_src_generic<CallbackSpans>, // RGB16
blend_src_generic<CallbackSpans>, // ARGB8565_Premultiplied
blend_src_generic<CallbackSpans>, // RGB666