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dwrite: Allocate glyph buffer once per run rendering pass. 

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2017-03-30 15:07:00 +03:00 committed by Alexandre Julliard
parent a46b81a478
commit 89d074a3fc
1 changed files with 29 additions and 16 deletions
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45
dlls/dwrite/font.c
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@ -180,6 +180,7 @@ struct dwrite_glyphrunanalysis {
UINT8 flags; UINT8 flags;
RECT bounds; RECT bounds;
BYTE *bitmap; BYTE *bitmap;
UINT32 max_glyph_bitmap_size;
}; };
struct dwrite_colorglyphenum { struct dwrite_colorglyphenum {
@ -4797,6 +4798,12 @@ static BOOL is_natural_rendering_mode(DWRITE_RENDERING_MODE1 mode)
} }
} }
static UINT32 get_glyph_bitmap_pitch(DWRITE_TEXTURE_TYPE type, INT width)
{
return type == DWRITE_TEXTURE_CLEARTYPE_3x1 ? (width + 3) / 4 * 4 :
((width + 31) >> 5) << 2;
}
static void glyphrunanalysis_get_texturebounds(struct dwrite_glyphrunanalysis *analysis, RECT *bounds) static void glyphrunanalysis_get_texturebounds(struct dwrite_glyphrunanalysis *analysis, RECT *bounds)
{ {
struct dwrite_glyphbitmap glyph_bitmap; struct dwrite_glyphbitmap glyph_bitmap;
@ -4836,10 +4843,16 @@ static void glyphrunanalysis_get_texturebounds(struct dwrite_glyphrunanalysis *a
const D2D_POINT_2F *ascenderoffset = analysis->ascenderoffsets ? analysis->ascenderoffsets + i : NULL; const D2D_POINT_2F *ascenderoffset = analysis->ascenderoffsets ? analysis->ascenderoffsets + i : NULL;
const D2D_POINT_2F *advance = analysis->advances + i; const D2D_POINT_2F *advance = analysis->advances + i;
RECT *bbox = &glyph_bitmap.bbox; RECT *bbox = &glyph_bitmap.bbox;
UINT32 bitmap_size;
glyph_bitmap.index = analysis->run.glyphIndices[i]; glyph_bitmap.index = analysis->run.glyphIndices[i];
freetype_get_glyph_bbox(&glyph_bitmap); freetype_get_glyph_bbox(&glyph_bitmap);
bitmap_size = get_glyph_bitmap_pitch(analysis->texture_type, bbox->right - bbox->left) *
(bbox->bottom - bbox->top);
if (bitmap_size > analysis->max_glyph_bitmap_size)
analysis->max_glyph_bitmap_size = bitmap_size;
if (is_rtl) if (is_rtl)
OffsetRect(bbox, origin.x + advance->x, origin.y + advance->y); OffsetRect(bbox, origin.x + advance->x, origin.y + advance->y);
else else
@ -4899,7 +4912,7 @@ static inline BYTE *get_pixel_ptr(BYTE *ptr, DWRITE_TEXTURE_TYPE type, const REC
runbounds->left - bounds->left; runbounds->left - bounds->left;
} }
static HRESULT glyphrunanalysis_render(struct dwrite_glyphrunanalysis *analysis, DWRITE_TEXTURE_TYPE type) static HRESULT glyphrunanalysis_render(struct dwrite_glyphrunanalysis *analysis)
{ {
static const BYTE masks[8] = {0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01}; static const BYTE masks[8] = {0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01};
struct dwrite_glyphbitmap glyph_bitmap; struct dwrite_glyphbitmap glyph_bitmap;
@ -4917,11 +4930,11 @@ static HRESULT glyphrunanalysis_render(struct dwrite_glyphrunanalysis *analysis,
} }
size = (analysis->bounds.right - analysis->bounds.left)*(analysis->bounds.bottom - analysis->bounds.top); size = (analysis->bounds.right - analysis->bounds.left)*(analysis->bounds.bottom - analysis->bounds.top);
if (type == DWRITE_TEXTURE_CLEARTYPE_3x1) if (analysis->texture_type == DWRITE_TEXTURE_CLEARTYPE_3x1)
size *= 3; size *= 3;
if (!(analysis->bitmap = heap_alloc_zero(size))) { if (!(analysis->bitmap = heap_alloc_zero(size))) {
WARN("Failed to allocate run bitmap, %s, type %s.\n", wine_dbgstr_rect(&analysis->bounds), WARN("Failed to allocate run bitmap, %s, type %s.\n", wine_dbgstr_rect(&analysis->bounds),
type == DWRITE_TEXTURE_CLEARTYPE_3x1 ? "3x1" : "1x1"); analysis->texture_type == DWRITE_TEXTURE_CLEARTYPE_3x1 ? "3x1" : "1x1");
IDWriteFontFace4_Release(fontface); IDWriteFontFace4_Release(fontface);
return E_OUTOFMEMORY; return E_OUTOFMEMORY;
} }
@ -4933,17 +4946,22 @@ static HRESULT glyphrunanalysis_render(struct dwrite_glyphrunanalysis *analysis,
glyph_bitmap.fontface = fontface; glyph_bitmap.fontface = fontface;
glyph_bitmap.emsize = analysis->run.fontEmSize * analysis->ppdip; glyph_bitmap.emsize = analysis->run.fontEmSize * analysis->ppdip;
glyph_bitmap.nohint = is_natural_rendering_mode(analysis->rendering_mode); glyph_bitmap.nohint = is_natural_rendering_mode(analysis->rendering_mode);
glyph_bitmap.type = type; glyph_bitmap.type = analysis->texture_type;
if (analysis->flags & RUNANALYSIS_USE_TRANSFORM) if (analysis->flags & RUNANALYSIS_USE_TRANSFORM)
glyph_bitmap.m = &analysis->m; glyph_bitmap.m = &analysis->m;
if (!(glyph_bitmap.buf = heap_alloc(analysis->max_glyph_bitmap_size))) {
IDWriteFontFace4_Release(fontface);
return E_OUTOFMEMORY;
}
bbox = &glyph_bitmap.bbox; bbox = &glyph_bitmap.bbox;
for (i = 0; i < analysis->run.glyphCount; i++) { for (i = 0; i < analysis->run.glyphCount; i++) {
const D2D_POINT_2F *advanceoffset = analysis->advanceoffsets ? analysis->advanceoffsets + i : NULL; const D2D_POINT_2F *advanceoffset = analysis->advanceoffsets ? analysis->advanceoffsets + i : NULL;
const D2D_POINT_2F *ascenderoffset = analysis->ascenderoffsets ? analysis->ascenderoffsets + i : NULL; const D2D_POINT_2F *ascenderoffset = analysis->ascenderoffsets ? analysis->ascenderoffsets + i : NULL;
const D2D_POINT_2F *advance = analysis->advances + i; const D2D_POINT_2F *advance = analysis->advances + i;
BYTE *src = glyph_bitmap.buf, *dst;
int x, y, width, height; int x, y, width, height;
BYTE *src, *dst;
BOOL is_1bpp; BOOL is_1bpp;
glyph_bitmap.index = analysis->run.glyphIndices[i]; glyph_bitmap.index = analysis->run.glyphIndices[i];
@ -4958,12 +4976,8 @@ static HRESULT glyphrunanalysis_render(struct dwrite_glyphrunanalysis *analysis,
width = bbox->right - bbox->left; width = bbox->right - bbox->left;
height = bbox->bottom - bbox->top; height = bbox->bottom - bbox->top;
if (type == DWRITE_TEXTURE_CLEARTYPE_3x1) glyph_bitmap.pitch = get_glyph_bitmap_pitch(analysis->texture_type, width);
glyph_bitmap.pitch = (width + 3) / 4 * 4; memset(src, 0, height * glyph_bitmap.pitch);
else
glyph_bitmap.pitch = ((width + 31) >> 5) << 2;
glyph_bitmap.buf = src = heap_alloc_zero(height * glyph_bitmap.pitch);
is_1bpp = freetype_get_glyph_bitmap(&glyph_bitmap); is_1bpp = freetype_get_glyph_bitmap(&glyph_bitmap);
if (is_rtl) if (is_rtl)
@ -4979,11 +4993,11 @@ static HRESULT glyphrunanalysis_render(struct dwrite_glyphrunanalysis *analysis,
OffsetRect(bbox, analysis->m.dx, analysis->m.dy); OffsetRect(bbox, analysis->m.dx, analysis->m.dy);
/* blit to analysis bitmap */ /* blit to analysis bitmap */
dst = get_pixel_ptr(analysis->bitmap, type, bbox, &analysis->bounds); dst = get_pixel_ptr(analysis->bitmap, analysis->texture_type, bbox, &analysis->bounds);
if (is_1bpp) { if (is_1bpp) {
/* convert 1bpp to 8bpp/24bpp */ /* convert 1bpp to 8bpp/24bpp */
if (type == DWRITE_TEXTURE_CLEARTYPE_3x1) { if (analysis->texture_type == DWRITE_TEXTURE_CLEARTYPE_3x1) {
for (y = 0; y < height; y++) { for (y = 0; y < height; y++) {
for (x = 0; x < width; x++) for (x = 0; x < width; x++)
if (src[x / 8] & masks[x % 8]) if (src[x / 8] & masks[x % 8])
@ -5012,11 +5026,10 @@ static HRESULT glyphrunanalysis_render(struct dwrite_glyphrunanalysis *analysis,
} }
} }
heap_free(glyph_bitmap.buf);
origin.x += advance->x; origin.x += advance->x;
origin.y += advance->y; origin.y += advance->y;
} }
heap_free(glyph_bitmap.buf);
IDWriteFontFace4_Release(fontface); IDWriteFontFace4_Release(fontface);
@ -5076,7 +5089,7 @@ static HRESULT WINAPI glyphrunanalysis_CreateAlphaTexture(IDWriteGlyphRunAnalysi
if (!(This->flags & RUNANALYSIS_BITMAP_READY)) { if (!(This->flags & RUNANALYSIS_BITMAP_READY)) {
HRESULT hr; HRESULT hr;
if (FAILED(hr = glyphrunanalysis_render(This, type))) if (FAILED(hr = glyphrunanalysis_render(This)))
return hr; return hr;
} }