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-rw-r--r--glamor/Makefile.am2
-rw-r--r--glamor/glamor.c23
-rw-r--r--glamor/glamor.h2
-rw-r--r--glamor/glamor_composite_glyphs.c551
-rw-r--r--glamor/glamor_glyphs.c1769
-rw-r--r--glamor/glamor_priv.h78
-rw-r--r--glamor/glamor_program.c5
-rw-r--r--glamor/glamor_program.h1
-rw-r--r--glamor/glamor_render.c136
9 files changed, 589 insertions, 1978 deletions
diff --git a/glamor/Makefile.am b/glamor/Makefile.am
index db72cb11c..c48802999 100644
--- a/glamor/Makefile.am
+++ b/glamor/Makefile.am
@@ -14,7 +14,7 @@ libglamor_la_SOURCES = \
glamor_font.c \
glamor_font.h \
glamor_glx.c \
- glamor_glyphs.c \
+ glamor_composite_glyphs.c \
glamor_image.c \
glamor_lines.c \
glamor_segs.c \
diff --git a/glamor/glamor.c b/glamor/glamor.c
index 9d40e3ce5..807f28ebd 100644
--- a/glamor/glamor.c
+++ b/glamor/glamor.c
@@ -288,16 +288,6 @@ glamor_create_screen_resources(ScreenPtr screen)
ret = screen->CreateScreenResources(screen);
screen->CreateScreenResources = glamor_create_screen_resources;
- if (!glamor_glyphs_init(screen)) {
- ErrorF("Failed to initialize glyphs\n");
- ret = FALSE;
- }
-
- if (!glamor_realize_glyph_caches(screen)) {
- ErrorF("Failed to initialize glyph cache\n");
- ret = FALSE;
- }
-
return ret;
}
@@ -509,6 +499,11 @@ glamor_init(ScreenPtr screen, unsigned int flags)
glamor_priv->saved_procs.block_handler = screen->BlockHandler;
screen->BlockHandler = _glamor_block_handler;
+ if (!glamor_composite_glyphs_init(screen)) {
+ ErrorF("Failed to initialize composite masks\n");
+ goto fail;
+ }
+
glamor_priv->saved_procs.create_gc = screen->CreateGC;
screen->CreateGC = glamor_create_gc;
@@ -550,10 +545,7 @@ glamor_init(ScreenPtr screen, unsigned int flags)
ps->CompositeRects = miCompositeRects;
glamor_priv->saved_procs.glyphs = ps->Glyphs;
- ps->Glyphs = glamor_glyphs;
-
- glamor_priv->saved_procs.unrealize_glyph = ps->UnrealizeGlyph;
- ps->UnrealizeGlyph = glamor_glyph_unrealize;
+ ps->Glyphs = glamor_composite_glyphs;
glamor_priv->saved_procs.create_picture = ps->CreatePicture;
ps->CreatePicture = glamor_create_picture;
@@ -634,7 +626,7 @@ glamor_close_screen(ScreenPtr screen)
glamor_priv = glamor_get_screen_private(screen);
glamor_sync_close(screen);
- glamor_glyphs_fini(screen);
+ glamor_composite_glyphs_fini(screen);
screen->CloseScreen = glamor_priv->saved_procs.close_screen;
screen->CreateScreenResources =
glamor_priv->saved_procs.create_screen_resources;
@@ -655,7 +647,6 @@ glamor_close_screen(ScreenPtr screen)
ps->CreatePicture = glamor_priv->saved_procs.create_picture;
ps->CompositeRects = glamor_priv->saved_procs.composite_rects;
ps->Glyphs = glamor_priv->saved_procs.glyphs;
- ps->UnrealizeGlyph = glamor_priv->saved_procs.unrealize_glyph;
screen->SetWindowPixmap = glamor_priv->saved_procs.set_window_pixmap;
screen_pixmap = screen->GetScreenPixmap(screen);
diff --git a/glamor/glamor.h b/glamor/glamor.h
index d07182d9e..0d57fff88 100644
--- a/glamor/glamor.h
+++ b/glamor/glamor.h
@@ -105,8 +105,6 @@ extern _X_EXPORT void glamor_set_screen_pixmap(PixmapPtr screen_pixmap,
extern _X_EXPORT uint32_t glamor_get_pixmap_texture(PixmapPtr pixmap);
-extern _X_EXPORT Bool glamor_glyphs_init(ScreenPtr pScreen);
-
extern _X_EXPORT void glamor_set_pixmap_texture(PixmapPtr pixmap,
unsigned int tex);
diff --git a/glamor/glamor_composite_glyphs.c b/glamor/glamor_composite_glyphs.c
new file mode 100644
index 000000000..39ed854bc
--- /dev/null
+++ b/glamor/glamor_composite_glyphs.c
@@ -0,0 +1,551 @@
+/*
+ * Copyright © 2014 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission. The copyright holders make no representations
+ * about the suitability of this software for any purpose. It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+#include <stdlib.h>
+#include "Xprintf.h"
+
+#include "glamor_priv.h"
+#include "glamor_transform.h"
+#include "glamor_transfer.h"
+
+#include <mipict.h>
+
+#define DEFAULT_ATLAS_DIM 1024
+
+static DevPrivateKeyRec glamor_glyph_private_key;
+
+struct glamor_glyph_private {
+ int16_t x;
+ int16_t y;
+ uint32_t serial;
+};
+
+struct glamor_glyph_atlas {
+ PixmapPtr atlas;
+ PictFormatPtr format;
+ int x, y;
+ int row_height;
+ int nglyph;
+ uint32_t serial;
+};
+
+static inline struct glamor_glyph_private *glamor_get_glyph_private(PixmapPtr pixmap) {
+ return dixLookupPrivate(&pixmap->devPrivates, &glamor_glyph_private_key);
+}
+
+static inline void
+glamor_copy_glyph(PixmapPtr glyph_pixmap,
+ DrawablePtr atlas_draw,
+ int16_t x,
+ int16_t y)
+{
+ DrawablePtr glyph_draw = &glyph_pixmap->drawable;
+ BoxRec box = {
+ .x1 = 0,
+ .y1 = 0,
+ .x2 = glyph_draw->width,
+ .y2 = glyph_draw->height,
+ };
+
+ if (glyph_pixmap->drawable.bitsPerPixel == atlas_draw->bitsPerPixel) {
+ glamor_upload_boxes((PixmapPtr) atlas_draw,
+ &box, 1,
+ 0, 0,
+ x, y,
+ glyph_pixmap->devPrivate.ptr,
+ glyph_pixmap->devKind);
+ } else {
+ GCPtr scratch_gc = GetScratchGC(atlas_draw->depth, atlas_draw->pScreen);
+ ChangeGCVal changes[2];
+ if (!scratch_gc)
+ return;
+
+ /* If we're dealing with 1-bit glyphs, we upload them to
+ * the cache as normal 8-bit alpha, since that's what GL
+ * can handle.
+ */
+ assert(glyph_draw->depth == 1);
+ assert(atlas_draw->depth == 8);
+
+ changes[0].val = 0xff;
+ changes[1].val = 0x00;
+ if (ChangeGC(NullClient, scratch_gc,
+ GCForeground|GCBackground, changes) != Success)
+ goto bail_gc;
+ ValidateGC(atlas_draw, scratch_gc);
+
+ (*scratch_gc->ops->CopyPlane)(glyph_draw,
+ atlas_draw,
+ scratch_gc,
+ 0, 0,
+ glyph_draw->width,
+ glyph_draw->height,
+ x, y, 0x1);
+
+ bail_gc:
+ FreeScratchGC(scratch_gc);
+ }
+}
+
+static Bool
+glamor_glyph_atlas_init(ScreenPtr screen, struct glamor_glyph_atlas *atlas)
+{
+ glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
+ PictFormatPtr format = atlas->format;
+
+ atlas->atlas = glamor_create_pixmap(screen, glamor_priv->glyph_atlas_dim,
+ glamor_priv->glyph_atlas_dim, format->depth, 0);
+ atlas->x = 0;
+ atlas->y = 0;
+ atlas->row_height = 0;
+ atlas->serial++;
+ atlas->nglyph = 0;
+ return TRUE;
+}
+
+static Bool
+glamor_glyph_can_add(struct glamor_glyph_atlas *atlas, int dim, DrawablePtr glyph_draw)
+{
+ /* Step down */
+ if (atlas->x + glyph_draw->width > dim) {
+ atlas->x = 0;
+ atlas->y += atlas->row_height;
+ atlas->row_height = 0;
+ }
+
+ /* Check for overfull */
+ if (atlas->y + glyph_draw->height > dim)
+ return FALSE;
+
+ return TRUE;
+}
+
+static Bool
+glamor_glyph_add(struct glamor_glyph_atlas *atlas, DrawablePtr glyph_draw)
+{
+ PixmapPtr glyph_pixmap = (PixmapPtr) glyph_draw;
+ struct glamor_glyph_private *glyph_priv = glamor_get_glyph_private(glyph_pixmap);
+
+ glamor_copy_glyph(glyph_pixmap, &atlas->atlas->drawable, atlas->x, atlas->y);
+
+ glyph_priv->x = atlas->x;
+ glyph_priv->y = atlas->y;
+ glyph_priv->serial = atlas->serial;
+
+ atlas->x += glyph_draw->width;
+ if (atlas->row_height < glyph_draw->height)
+ atlas->row_height = glyph_draw->height;
+
+ atlas->nglyph++;
+
+ return TRUE;
+}
+
+static const glamor_facet glamor_facet_composite_glyphs_130 = {
+ .name = "composite_glyphs",
+ .version = 130,
+ .vs_vars = ("attribute vec4 primitive;\n"
+ "attribute vec2 source;\n"
+ "varying vec2 glyph_pos;\n"),
+ .vs_exec = (" vec2 pos = primitive.zw * vec2(gl_VertexID&1, (gl_VertexID&2)>>1);\n"
+ GLAMOR_POS(gl_Position, (primitive.xy + pos))
+ " glyph_pos = (source + pos) * ATLAS_DIM_INV;\n"),
+ .fs_vars = ("varying vec2 glyph_pos;\n"),
+ .fs_exec = (" vec4 mask = texture2D(atlas, glyph_pos);\n"),
+ .source_name = "source",
+ .locations = glamor_program_location_atlas,
+};
+
+static const glamor_facet glamor_facet_composite_glyphs_120 = {
+ .name = "composite_glyphs",
+ .vs_vars = ("attribute vec2 primitive;\n"
+ "attribute vec2 source;\n"
+ "varying vec2 glyph_pos;\n"),
+ .vs_exec = (GLAMOR_POS(gl_Position, primitive)
+ " glyph_pos = source.xy * ATLAS_DIM_INV;\n"),
+ .fs_vars = ("varying vec2 glyph_pos;\n"),
+ .fs_exec = (" vec4 mask = texture2D(atlas, glyph_pos);\n"),
+ .source_name = "source",
+ .locations = glamor_program_location_atlas,
+};
+
+static inline Bool
+glamor_glyph_use_130(glamor_screen_private *glamor_priv) {
+ return glamor_priv->glsl_version >= 130;
+}
+
+static Bool
+glamor_glyphs_init_facet(ScreenPtr screen)
+{
+ glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
+
+ return asprintf(&glamor_priv->glyph_defines, "#define ATLAS_DIM_INV %20.18f\n", 1.0/glamor_priv->glyph_atlas_dim) > 0;
+}
+
+static void
+glamor_glyphs_fini_facet(ScreenPtr screen)
+{
+ glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
+
+ free(glamor_priv->glyph_defines);
+}
+
+static void
+glamor_glyphs_flush(CARD8 op, PicturePtr src, PicturePtr dst,
+ glamor_program *prog,
+ struct glamor_glyph_atlas *atlas, int nglyph)
+{
+ DrawablePtr drawable = dst->pDrawable;
+ glamor_screen_private *glamor_priv = glamor_get_screen_private(drawable->pScreen);
+ PixmapPtr atlas_pixmap = atlas->atlas;
+ glamor_pixmap_private *atlas_priv = glamor_get_pixmap_private(atlas_pixmap);
+ glamor_pixmap_fbo *atlas_fbo = glamor_pixmap_fbo_at(atlas_priv, 0, 0);
+ PixmapPtr pixmap = glamor_get_drawable_pixmap(drawable);
+ glamor_pixmap_private *pixmap_priv = glamor_get_pixmap_private(pixmap);
+ int box_x, box_y;
+ int off_x, off_y;
+
+ glamor_put_vbo_space(drawable->pScreen);
+
+ glEnable(GL_SCISSOR_TEST);
+ glActiveTexture(GL_TEXTURE1);
+ glBindTexture(GL_TEXTURE_2D, atlas_fbo->tex);
+
+ for (;;) {
+ if (!glamor_use_program_render(prog, op, src, dst))
+ break;
+
+ glUniform1i(prog->atlas_uniform, 1);
+
+ glamor_pixmap_loop(pixmap_priv, box_x, box_y) {
+ BoxPtr box = RegionRects(dst->pCompositeClip);
+ int nbox = RegionNumRects(dst->pCompositeClip);
+
+ glamor_set_destination_drawable(drawable, box_x, box_y, TRUE, FALSE, prog->matrix_uniform, &off_x, &off_y);
+
+ /* Run over the clip list, drawing the glyphs
+ * in each box
+ */
+
+ while (nbox--) {
+ glScissor(box->x1 + off_x,
+ box->y1 + off_y,
+ box->x2 - box->x1,
+ box->y2 - box->y1);
+ box++;
+
+ if (glamor_glyph_use_130(glamor_priv))
+ glDrawArraysInstanced(GL_TRIANGLE_STRIP, 0, 4, nglyph);
+ else
+ glamor_glDrawArrays_GL_QUADS(glamor_priv, nglyph * 4);
+ }
+ }
+ if (prog->alpha != glamor_program_alpha_ca_first)
+ break;
+ prog++;
+ }
+
+ glDisable(GL_SCISSOR_TEST);
+
+ glVertexAttribDivisor(GLAMOR_VERTEX_SOURCE, 0);
+ glDisableVertexAttribArray(GLAMOR_VERTEX_SOURCE);
+ glVertexAttribDivisor(GLAMOR_VERTEX_POS, 0);
+ glDisableVertexAttribArray(GLAMOR_VERTEX_POS);
+ glDisable(GL_BLEND);
+}
+
+static GLshort *
+glamor_glyph_start(ScreenPtr screen, int count)
+{
+ glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
+ GLshort *v;
+ char *vbo_offset;
+
+ /* Set up the vertex buffers for the font and destination */
+
+ if (glamor_glyph_use_130(glamor_priv)) {
+ v = glamor_get_vbo_space(screen, count * (6 * sizeof (GLshort)), &vbo_offset);
+
+ glEnableVertexAttribArray(GLAMOR_VERTEX_POS);
+ glVertexAttribDivisor(GLAMOR_VERTEX_POS, 1);
+ glVertexAttribPointer(GLAMOR_VERTEX_POS, 4, GL_SHORT, GL_FALSE,
+ 6 * sizeof (GLshort), vbo_offset);
+
+ glEnableVertexAttribArray(GLAMOR_VERTEX_SOURCE);
+ glVertexAttribDivisor(GLAMOR_VERTEX_SOURCE, 1);
+ glVertexAttribPointer(GLAMOR_VERTEX_SOURCE, 2, GL_SHORT, GL_FALSE,
+ 6 * sizeof (GLshort), vbo_offset + 4 * sizeof (GLshort));
+ } else {
+ v = glamor_get_vbo_space(screen, count * (16 * sizeof (GLshort)), &vbo_offset);
+
+ glEnableVertexAttribArray(GLAMOR_VERTEX_POS);
+ glVertexAttribPointer(GLAMOR_VERTEX_POS, 2, GL_SHORT, GL_FALSE,
+ 4 * sizeof (GLshort), vbo_offset);
+
+ glEnableVertexAttribArray(GLAMOR_VERTEX_SOURCE);
+ glVertexAttribPointer(GLAMOR_VERTEX_SOURCE, 2, GL_SHORT, GL_FALSE,
+ 4 * sizeof (GLshort), vbo_offset + 2 * sizeof (GLshort));
+ }
+ return v;
+}
+
+static inline struct glamor_glyph_atlas *
+glamor_atlas_for_glyph(glamor_screen_private *glamor_priv, DrawablePtr drawable)
+{
+ if (drawable->depth == 32)
+ return glamor_priv->glyph_atlas_argb;
+ else
+ return glamor_priv->glyph_atlas_a;
+}
+
+void
+glamor_composite_glyphs(CARD8 op,
+ PicturePtr src,
+ PicturePtr dst,
+ PictFormatPtr glyph_format,
+ INT16 x_src,
+ INT16 y_src, int nlist, GlyphListPtr list,
+ GlyphPtr *glyphs)
+{
+ int glyphs_queued;
+ GLshort *v = NULL;
+ DrawablePtr drawable = dst->pDrawable;
+ ScreenPtr screen = drawable->pScreen;
+ glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
+ glamor_program *prog = NULL;
+ PicturePtr glyph_pict = NULL;
+ DrawablePtr glyph_draw;
+ glamor_program_render *glyphs_program = &glamor_priv->glyphs_program;
+ struct glamor_glyph_atlas *glyph_atlas = NULL;
+ int x = 0, y = 0;
+ int n;
+ int glyph_atlas_dim = glamor_priv->glyph_atlas_dim;
+ int glyph_max_dim = glamor_priv->glyph_max_dim;
+ int nglyph = 0;
+ int screen_num = screen->myNum;
+
+ for (n = 0; n < nlist; n++)
+ nglyph += list[n].len;
+
+ glamor_make_current(glamor_priv);
+
+ glyphs_queued = 0;
+
+ while (nlist--) {
+ x += list->xOff;
+ y += list->yOff;
+ n = list->len;
+ list++;
+ while (n--) {
+ GlyphPtr glyph = *glyphs++;
+
+ /* Glyph not empty?
+ */
+ if (glyph->info.width && glyph->info.height) {
+ glamor_pixmap_private *glyph_pix_priv;
+
+ glyph_pict = GlyphPicture(glyph)[screen_num];
+ glyph_draw = glyph_pict->pDrawable;
+ glyph_pix_priv = glamor_get_pixmap_private((PixmapPtr) glyph_draw);
+
+ /* Need to draw with slow path?
+ */
+ if (_X_UNLIKELY(glyph_draw->width > glyph_max_dim ||
+ glyph_draw->height > glyph_max_dim ||
+ (glyph_pix_priv != 0 && glyph_pix_priv->type != GLAMOR_MEMORY)))
+ {
+ if (glyphs_queued) {
+ glamor_glyphs_flush(op, src, dst, prog, glyph_atlas, glyphs_queued);
+ glyphs_queued = 0;
+ }
+ bail_one:
+ glamor_composite(op, src, glyph_pict, dst,
+ x_src + (x - glyph->info.x), (y - glyph->info.y),
+ 0, 0,
+ x - glyph->info.x, y - glyph->info.y,
+ glyph_draw->width, glyph_draw->height);
+ } else {
+ struct glamor_glyph_private *glyph_priv = glamor_get_glyph_private((PixmapPtr)(glyph_draw));
+ struct glamor_glyph_atlas *next_atlas = glamor_atlas_for_glyph(glamor_priv, glyph_draw);
+
+ /* Switching source glyph format?
+ */
+ if (_X_UNLIKELY(next_atlas != glyph_atlas)) {
+ if (glyphs_queued) {
+ glamor_glyphs_flush(op, src, dst, prog, glyph_atlas, glyphs_queued);
+ glyphs_queued = 0;
+ }
+ glyph_atlas = next_atlas;
+ }
+
+ /* Glyph not cached in current atlas?
+ */
+ if (_X_UNLIKELY(glyph_priv->serial != glyph_atlas->serial)) {
+ if (!glamor_glyph_can_add(glyph_atlas, glyph_atlas_dim, glyph_draw)) {
+ if (glyphs_queued) {
+ glamor_glyphs_flush(op, src, dst, prog, glyph_atlas, glyphs_queued);
+ glyphs_queued = 0;
+ }
+ if (glyph_atlas->atlas) {
+ (*screen->DestroyPixmap)(glyph_atlas->atlas);
+ glyph_atlas->atlas = NULL;
+ }
+ }
+ if (!glyph_atlas->atlas)
+ glamor_glyph_atlas_init(screen, glyph_atlas);
+ glamor_glyph_add(glyph_atlas, glyph_draw);
+ }
+
+ /* First glyph in the current atlas?
+ */
+ if (_X_UNLIKELY(glyphs_queued == 0)) {
+ if (glamor_glyph_use_130(glamor_priv))
+ prog = glamor_setup_program_render(op, src, glyph_pict, dst,
+ glyphs_program,
+ &glamor_facet_composite_glyphs_130,
+ glamor_priv->glyph_defines);
+ else
+ prog = glamor_setup_program_render(op, src, glyph_pict, dst,
+ glyphs_program,
+ &glamor_facet_composite_glyphs_120,
+ glamor_priv->glyph_defines);
+ if (!prog)
+ goto bail_one;
+ v = glamor_glyph_start(screen, nglyph);
+ }
+
+ /* Add the glyph
+ */
+
+ glyphs_queued++;
+ if (_X_LIKELY(glamor_glyph_use_130(glamor_priv))) {
+ v[0] = x - glyph->info.x;
+ v[1] = y - glyph->info.y;
+ v[2] = glyph_draw->width;
+ v[3] = glyph_draw->height;
+ v[4] = glyph_priv->x;
+ v[5] = glyph_priv->y;
+ v += 6;
+ } else {
+ v[0] = x - glyph->info.x;
+ v[1] = y - glyph->info.y;
+ v[2] = glyph_priv->x;
+ v[3] = glyph_priv->y;
+ v += 4;
+
+ v[0] = x - glyph->info.x + glyph_draw->width;
+ v[1] = y - glyph->info.y;
+ v[2] = glyph_priv->x + glyph_draw->width;
+ v[3] = glyph_priv->y;
+ v += 4;
+
+ v[0] = x - glyph->info.x + glyph_draw->width;
+ v[1] = y - glyph->info.y + glyph_draw->height;
+ v[2] = glyph_priv->x + glyph_draw->width;
+ v[3] = glyph_priv->y + glyph_draw->height;
+ v += 4;
+
+ v[0] = x - glyph->info.x;
+ v[1] = y - glyph->info.y + glyph_draw->height;
+ v[2] = glyph_priv->x;
+ v[3] = glyph_priv->y + glyph_draw->height;
+ v += 4;
+ }
+ }
+ }
+ x += glyph->info.xOff;
+ y += glyph->info.yOff;
+ nglyph--;
+ }
+ }
+
+ if (glyphs_queued)
+ glamor_glyphs_flush(op, src, dst, prog, glyph_atlas, glyphs_queued);
+
+ return;
+}
+
+static struct glamor_glyph_atlas *
+glamor_alloc_glyph_atlas(ScreenPtr screen, int depth, CARD32 f)
+{
+ PictFormatPtr format;
+ struct glamor_glyph_atlas *glyph_atlas;
+
+ format = PictureMatchFormat(screen, depth, f);
+ if (!format)
+ return NULL;
+ glyph_atlas = calloc (1, sizeof (struct glamor_glyph_atlas));
+ if (!glyph_atlas)
+ return NULL;
+ glyph_atlas->format = format;
+ glyph_atlas->serial = 1;
+
+ return glyph_atlas;
+}
+
+Bool
+glamor_composite_glyphs_init(ScreenPtr screen)
+{
+ glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
+
+ if (!dixRegisterPrivateKey(&glamor_glyph_private_key, PRIVATE_PIXMAP, sizeof (struct glamor_glyph_private)))
+ return FALSE;
+
+ /* Make glyph atlases of a reasonable size, but no larger than the maximum
+ * supported by the hardware
+ */
+ glamor_priv->glyph_atlas_dim = MIN(DEFAULT_ATLAS_DIM, glamor_priv->max_fbo_size);
+
+ /* Don't stick huge glyphs in the atlases */
+ glamor_priv->glyph_max_dim = glamor_priv->glyph_atlas_dim / 8;
+
+ glamor_priv->glyph_atlas_a = glamor_alloc_glyph_atlas(screen, 8, PICT_a8);
+ if (!glamor_priv->glyph_atlas_a)
+ return FALSE;
+ glamor_priv->glyph_atlas_argb = glamor_alloc_glyph_atlas(screen, 32, PICT_a8r8g8b8);
+ if (!glamor_priv->glyph_atlas_argb) {
+ free (glamor_priv->glyph_atlas_a);
+ return FALSE;
+ }
+ if (!glamor_glyphs_init_facet(screen))
+ return FALSE;
+ return TRUE;
+}
+
+static void
+glamor_free_glyph_atlas(struct glamor_glyph_atlas *atlas)
+{
+ if (!atlas)
+ return;
+ if (atlas->atlas)
+ FreePicture(atlas->atlas, 0);
+ free (atlas);
+}
+
+void
+glamor_composite_glyphs_fini(ScreenPtr screen)
+{
+ glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
+
+ glamor_glyphs_fini_facet(screen);
+ glamor_free_glyph_atlas(glamor_priv->glyph_atlas_a);
+ glamor_free_glyph_atlas(glamor_priv->glyph_atlas_argb);
+}
diff --git a/glamor/glamor_glyphs.c b/glamor/glamor_glyphs.c
deleted file mode 100644
index 4f3f9696d..000000000
--- a/glamor/glamor_glyphs.c
+++ /dev/null
@@ -1,1769 +0,0 @@
-/*
- * Copyright © 2008 Red Hat, Inc.
- * Partly based on code Copyright © 2000 SuSE, Inc.
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of Red Hat not be used in advertising or
- * publicity pertaining to distribution of the software without specific,
- * written prior permission. Red Hat makes no representations about the
- * suitability of this software for any purpose. It is provided "as is"
- * without express or implied warranty.
- *
- * Red Hat DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL Red Hat
- * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of SuSE not be used in advertising or
- * publicity pertaining to distribution of the software without specific,
- * written prior permission. SuSE makes no representations about the
- * suitability of this software for any purpose. It is provided "as is"
- * without express or implied warranty.
- *
- * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
- * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- * Author: Owen Taylor <otaylor@fishsoup.net>
- * Based on code by: Keith Packard
- */
-
-#include <stdlib.h>
-
-#include "glamor_priv.h"
-
-#include <mipict.h>
-
-#if DEBUG_GLYPH_CACHE
-#define DBG_GLYPH_CACHE(a) ErrorF a
-#else
-#define DBG_GLYPH_CACHE(a)
-#endif
-
-/* Width of the pixmaps we use for the caches; this should be less than
- * max texture size of the driver; this may need to actually come from
- * the driver.
- */
-
-/* Maximum number of glyphs we buffer on the stack before flushing
- * rendering to the mask or destination surface.
- */
-#define GLYPH_BUFFER_SIZE 1024
-
-typedef struct {
- PicturePtr source;
- glamor_composite_rect_t rects[GLYPH_BUFFER_SIZE + 4];
- int count;
-} glamor_glyph_buffer_t;
-
-struct glamor_glyph {
- glamor_glyph_cache_t *cache;
- uint16_t x, y;
- uint16_t size, pos;
- unsigned long long left_x1_map, left_x2_map;
- unsigned long long right_x1_map, right_x2_map; /* Use to check real intersect or not. */
- Bool has_edge_map;
- Bool cached;
-};
-
-typedef enum {
- GLAMOR_GLYPH_SUCCESS, /* Glyph added to render buffer */
- GLAMOR_GLYPH_FAIL, /* out of memory, etc */
- GLAMOR_GLYPH_NEED_FLUSH, /* would evict a glyph already in the buffer */
-} glamor_glyph_cache_result_t;
-
-#define NeedsComponent(f) (PICT_FORMAT_A(f) != 0 && PICT_FORMAT_RGB(f) != 0)
-static DevPrivateKeyRec glamor_glyph_key;
-
-static inline struct glamor_glyph *
-glamor_glyph_get_private(ScreenPtr screen, GlyphPtr glyph)
-{
- struct glamor_glyph *privates = (struct glamor_glyph*)glyph->devPrivates;
-
- return &privates[screen->myNum];
-}
-
-/*
- * Mask cache is located at the corresponding cache picture's last row.
- * and is deadicated for the mask picture when do the glyphs_via_mask.
- *
- * As we split the glyphs list according to its overlapped or non-overlapped,
- * we can reduce the length of glyphs to do the glyphs_via_mask to 2 or 3
- * glyphs one time for most cases. Thus it give us a case to allocate a
- * small portion of the corresponding cache directly as the mask picture.
- * Then we can rendering the glyphs to this mask picture, and latter we
- * can accumulate the second steps, composite the mask to the dest with
- * the other non-overlapped glyphs's rendering process.
- * Another major benefit is we now only need to clear a relatively small mask
- * region then before. It also make us implement a bunch mask picture clearing
- * algorithm to avoid too frequently small region clearing.
- *
- * If there is no any overlapping, this method will not get performance gain.
- * If there is some overlapping, then this algorithm can get about 15% performance
- * gain.
- */
-
-static void
-clear_mask_cache_bitmap(glamor_glyph_mask_cache_t *maskcache,
- unsigned int clear_mask_bits)
-{
- unsigned int i = 0;
- BoxRec box[MASK_CACHE_WIDTH];
- int box_cnt = 0;
-
- assert((clear_mask_bits & ~MASK_CACHE_MASK) == 0);
- for (i = 0; i < MASK_CACHE_WIDTH; i++) {
- if (clear_mask_bits & (1 << i)) {
- box[box_cnt].x1 = maskcache->mcache[i].x;
- box[box_cnt].x2 = maskcache->mcache[i].x + MASK_CACHE_MAX_SIZE;
- box[box_cnt].y1 = maskcache->mcache[i].y;
- box[box_cnt].y2 = maskcache->mcache[i].y + MASK_CACHE_MAX_SIZE;
- box_cnt++;
- }
- }
- glamor_solid_boxes(maskcache->pixmap, box, box_cnt, 0);
- maskcache->cleared_bitmap |= clear_mask_bits;
-}
-
-static void
-clear_mask_cache(glamor_glyph_mask_cache_t *maskcache)
-{
- int x = 0;
- int cnt = MASK_CACHE_WIDTH;
- unsigned int i = 0;
- struct glamor_glyph_mask_cache_entry *mce;
-
- glamor_solid(maskcache->pixmap, 0, CACHE_PICTURE_SIZE, CACHE_PICTURE_SIZE,
- MASK_CACHE_MAX_SIZE, 0);
- mce = &maskcache->mcache[0];
- while (cnt--) {
- mce->width = 0;
- mce->height = 0;
- mce->x = x;
- mce->y = CACHE_PICTURE_SIZE;
- mce->idx = i++;
- x += MASK_CACHE_MAX_SIZE;
- mce++;
- }
- maskcache->free_bitmap = MASK_CACHE_MASK;
- maskcache->cleared_bitmap = MASK_CACHE_MASK;
-}
-
-static int
-find_continuous_bits(unsigned int bits, int bits_cnt, unsigned int *pbits_mask)
-{
- int idx = 0;
- unsigned int bits_mask;
-
- bits_mask = ((1LL << bits_cnt) - 1);
-
- if (_X_UNLIKELY(bits_cnt > 56)) {
- while (bits) {
- if ((bits & bits_mask) == bits_mask) {
- *pbits_mask = bits_mask << idx;
- return idx;
- }
- bits >>= 1;
- idx++;
- }
- }
- else {
- idx = __fls(bits);
- while (bits) {
- unsigned int temp_bits;
-
- temp_bits = bits_mask << (idx - bits_cnt + 1);
- if ((bits & temp_bits) == temp_bits) {
- *pbits_mask = temp_bits;
- return (idx - bits_cnt + 1);
- }
- /* Find first zero. And clear the tested bit. */
- bits &= ~(1LL << idx);
- idx = __fls(~bits);
- bits &= ~((1LL << idx) - 1);
- idx--;
- }
- }
- return -1;
-}
-
-static struct glamor_glyph_mask_cache_entry *
-get_mask_cache(glamor_glyph_mask_cache_t *maskcache, int blocks)
-{
- int free_cleared_bit, idx = -1;
- int retry_cnt = 0;
- unsigned int bits_mask = 0;
-
- if (maskcache->free_bitmap == 0)
- return NULL;
- retry:
- free_cleared_bit = maskcache->free_bitmap & maskcache->cleared_bitmap;
- if (free_cleared_bit && blocks == 1) {
- idx = __fls(free_cleared_bit);
- bits_mask = 1 << idx;
- }
- else if (free_cleared_bit && blocks > 1) {
- idx = find_continuous_bits(free_cleared_bit, blocks, &bits_mask);
- }
-
- if (idx < 0) {
- clear_mask_cache_bitmap(maskcache, maskcache->free_bitmap);
- if (retry_cnt++ > 2)
- return NULL;
- goto retry;
- }
-
- maskcache->cleared_bitmap &= ~bits_mask;
- maskcache->free_bitmap &= ~bits_mask;
- DEBUGF("get idx %d free %x clear %x \n",
- idx, maskcache->free_bitmap, maskcache->cleared_bitmap);
- return &maskcache->mcache[idx];
-}
-
-static void
-put_mask_cache_bitmap(glamor_glyph_mask_cache_t *maskcache,
- unsigned int bitmap)
-{
- maskcache->free_bitmap |= bitmap;
- DEBUGF("put bitmap %x free %x clear %x \n",
- bitmap, maskcache->free_bitmap, maskcache->cleared_bitmap);
-}
-
-static void
-glamor_unrealize_glyph_caches(ScreenPtr pScreen)
-{
- glamor_screen_private *glamor = glamor_get_screen_private(pScreen);
- int i;
-
- if (!glamor->glyph_caches_realized)
- return;
-
- for (i = 0; i < GLAMOR_NUM_GLYPH_CACHE_FORMATS; i++) {
- glamor_glyph_cache_t *cache = &glamor->glyphCaches[i];
-
- if (cache->picture)
- FreePicture(cache->picture, 0);
-
- if (cache->glyphs)
- free(cache->glyphs);
-
- if (glamor->mask_cache[i])
- free(glamor->mask_cache[i]);
- }
- glamor->glyph_caches_realized = FALSE;
-}
-
-void
-glamor_glyphs_fini(ScreenPtr pScreen)
-{
- glamor_unrealize_glyph_caches(pScreen);
-}
-
-/* All caches for a single format share a single pixmap for glyph storage,
- * allowing mixing glyphs of different sizes without paying a penalty
- * for switching between source pixmaps. (Note that for a size of font
- * right at the border between two sizes, we might be switching for almost
- * every glyph.)
- *
- * This function allocates the storage pixmap, and then fills in the
- * rest of the allocated structures for all caches with the given format.
- */
-
-Bool
-glamor_realize_glyph_caches(ScreenPtr pScreen)
-{
- glamor_screen_private *glamor = glamor_get_screen_private(pScreen);
-
- unsigned int formats[] = {
- PIXMAN_a8,
- PIXMAN_a8r8g8b8,
- };
- int i;
-
- if (glamor->glyph_caches_realized)
- return TRUE;
-
- memset(glamor->glyphCaches, 0, sizeof(glamor->glyphCaches));
-
- for (i = 0; i < sizeof(formats) / sizeof(formats[0]); i++) {
- glamor_glyph_cache_t *cache = &glamor->glyphCaches[i];
- PixmapPtr pixmap;
- PicturePtr picture;
- XID component_alpha;
- int depth = PIXMAN_FORMAT_DEPTH(formats[i]);
- int error;
- PictFormatPtr pPictFormat =
- PictureMatchFormat(pScreen, depth, formats[i]);
- if (!pPictFormat)
- goto bail;
-
- /* Now allocate the pixmap and picture */
- pixmap = pScreen->CreatePixmap(pScreen,
- CACHE_PICTURE_SIZE,
- CACHE_PICTURE_SIZE + MASK_CACHE_MAX_SIZE,
- depth, GLAMOR_CREATE_NO_LARGE);
- if (!pixmap)
- goto bail;
-
- component_alpha = NeedsComponent(pPictFormat->format);
- picture = CreatePicture(0, &pixmap->drawable, pPictFormat,
- CPComponentAlpha, &component_alpha,
- serverClient, &error);
-
- pScreen->DestroyPixmap(pixmap);
- if (!picture)
- goto bail;
-
- ValidatePicture(picture);
-
- cache->picture = picture;
- cache->glyphs = calloc(sizeof(GlyphPtr), GLYPH_CACHE_SIZE);
- if (!cache->glyphs)
- goto bail;
-
- cache->evict = rand() % GLYPH_CACHE_SIZE;
- glamor->mask_cache[i] = calloc(1, sizeof(*glamor->mask_cache[i]));
- glamor->mask_cache[i]->pixmap = pixmap;
- clear_mask_cache(glamor->mask_cache[i]);
- }
- assert(i == GLAMOR_NUM_GLYPH_CACHE_FORMATS);
-
- glamor->glyph_caches_realized = TRUE;
- return TRUE;
-
- bail:
- glamor_unrealize_glyph_caches(pScreen);
- return FALSE;
-}
-
-/**
- * Called by glamor_create_screen_resources() to set up the glyph cache.
- *
- * This was previously required to be called by the drivers, but not
- * as of the xserver 1.16 ABI.
- */
-Bool
-glamor_glyphs_init(ScreenPtr pScreen)
-{
- if (!dixRegisterPrivateKey(&glamor_glyph_key,
- PRIVATE_GLYPH,
- screenInfo.numScreens * sizeof(struct glamor_glyph)))
- return FALSE;
-
- return TRUE;
-}
-
-/* The most efficient thing to way to upload the glyph to the screen
- * is to use CopyArea; glamor pixmaps are always offscreen.
- */
-static void
-glamor_glyph_cache_upload_glyph(ScreenPtr screen,
- glamor_glyph_cache_t *cache,
- GlyphPtr glyph, int x, int y)
-{
- PicturePtr pGlyphPicture = GlyphPicture(glyph)[screen->myNum];
- PixmapPtr pGlyphPixmap = (PixmapPtr) pGlyphPicture->pDrawable;
- PixmapPtr pCachePixmap = (PixmapPtr) cache->picture->pDrawable;
- PixmapPtr scratch;
- BoxRec box;
- GCPtr gc;
-
- gc = GetScratchGC(pCachePixmap->drawable.depth, screen);
- if (!gc)
- return;
-
- ValidateGC(&pCachePixmap->drawable, gc);
-
- scratch = pGlyphPixmap;
- if (pGlyphPixmap->drawable.depth != pCachePixmap->drawable.depth) {
-
- scratch = glamor_create_pixmap(screen,
- glyph->info.width,
- glyph->info.height,
- pCachePixmap->drawable.depth, 0);
- if (scratch) {
- PicturePtr picture;
- int error;
-
- picture =
- CreatePicture(0,
- &scratch->drawable,
- PictureMatchFormat
- (screen,
- pCachePixmap->drawable.depth,
- cache->picture->format),
- 0, NULL, serverClient, &error);
- if (picture) {
- ValidatePicture(picture);
- glamor_composite(PictOpSrc,
- pGlyphPicture,
- NULL, picture,
- 0, 0, 0, 0, 0,
- 0, glyph->info.width, glyph->info.height);
- FreePicture(picture, 0);
- }
- }
- else {
- scratch = pGlyphPixmap;
- }
- }
-
- box.x1 = x;
- box.y1 = y;
- box.x2 = x + glyph->info.width;
- box.y2 = y + glyph->info.height;
- glamor_copy(&scratch->drawable,
- &pCachePixmap->drawable, NULL,
- &box, 1, -x, -y, FALSE, FALSE, 0, NULL);
- if (scratch != pGlyphPixmap)
- screen->DestroyPixmap(scratch);
-
- FreeScratchGC(gc);
-}
-
-void
-glamor_glyph_unrealize(ScreenPtr screen, GlyphPtr glyph)
-{
- struct glamor_glyph *priv;
-
- /* Use Lookup in case we have not attached to this glyph. */
- priv = glamor_glyph_get_private(screen, glyph);
-
- if (priv->cached)
- priv->cache->glyphs[priv->pos] = NULL;
-}
-
-/* Cut and paste from render/glyph.c - probably should export it instead */
-static void
-glamor_glyph_extents(int nlist,
- GlyphListPtr list, GlyphPtr *glyphs, BoxPtr extents)
-{
- int x1, x2, y1, y2;
- int x, y, n;
-
- x1 = y1 = MAXSHORT;
- x2 = y2 = MINSHORT;
- x = y = 0;
- while (nlist--) {
- x += list->xOff;
- y += list->yOff;
- n = list->len;
- list++;
- while (n--) {
- GlyphPtr glyph = *glyphs++;
- int v;
-
- v = x - glyph->info.x;
- if (v < x1)
- x1 = v;
- v += glyph->info.width;
- if (v > x2)
- x2 = v;
-
- v = y - glyph->info.y;
- if (v < y1)
- y1 = v;
- v += glyph->info.height;
- if (v > y2)
- y2 = v;
-
- x += glyph->info.xOff;
- y += glyph->info.yOff;
- }
- }
-
- extents->x1 = x1 < MINSHORT ? MINSHORT : x1;
- extents->x2 = x2 > MAXSHORT ? MAXSHORT : x2;
- extents->y1 = y1 < MINSHORT ? MINSHORT : y1;
- extents->y2 = y2 > MAXSHORT ? MAXSHORT : y2;
-}
-
-static void
-glamor_glyph_priv_get_edge_map(GlyphPtr glyph, struct glamor_glyph *priv,
- PicturePtr glyph_picture)
-{
- PixmapPtr glyph_pixmap = (PixmapPtr) glyph_picture->pDrawable;
- int j;
- unsigned long long left_x1_map = 0, left_x2_map = 0;
- unsigned long long right_x1_map = 0, right_x2_map = 0;
- int bitsPerPixel;
- int stride;
- void *bits;
- int width;
- unsigned int left_x1_data = 0, left_x2_data = 0;
- unsigned int right_x1_data = 0, right_x2_data = 0;
-
- bitsPerPixel = glyph_pixmap->drawable.bitsPerPixel;
- stride = glyph_pixmap->devKind;
- bits = glyph_pixmap->devPrivate.ptr;
- width = glyph->info.width;
-
- if (glyph_pixmap->drawable.width < 2
- || !(glyph_pixmap->drawable.depth == 8
- || glyph_pixmap->drawable.depth == 1
- || glyph_pixmap->drawable.depth == 32)) {
- priv->has_edge_map = FALSE;
- return;
- }
-
- left_x1_map = left_x2_map = 0;
- right_x1_map = right_x2_map = 0;
-
- for (j = 0; j < glyph_pixmap->drawable.height; j++) {
- if (bitsPerPixel == 8) {
- unsigned char *data;
-
- data = (unsigned char *) ((unsigned char *) bits + stride * j);
- left_x1_data = *data++;
- left_x2_data = *data;
- data =
- (unsigned char *) ((unsigned char *) bits + stride * j + width -
- 2);
- right_x1_data = *data++;
- right_x2_data = *data;
- }
- else if (bitsPerPixel == 32) {
- left_x1_data = *((unsigned int *) bits + stride / 4 * j);
- left_x2_data = *((unsigned int *) bits + stride / 4 * j + 1);
- right_x1_data =
- *((unsigned int *) bits + stride / 4 * j + width - 2);
- right_x2_data =
- *((unsigned int *) bits + stride / 4 * j + width - 1);
- }
- else if (bitsPerPixel == 1) {
- unsigned char temp;
-
- temp = *((unsigned char *) glyph_pixmap->devPrivate.ptr
- + glyph_pixmap->devKind * j) & 0x3;
- left_x1_data = temp & 0x1;
- left_x2_data = temp & 0x2;
-
- temp = *((unsigned char *) glyph_pixmap->devPrivate.ptr
- + glyph_pixmap->devKind * j
- + (glyph_pixmap->drawable.width - 2) / 8);
- right_x1_data = temp
- & (1 << ((glyph_pixmap->drawable.width - 2) % 8));
- temp = *((unsigned char *) glyph_pixmap->devPrivate.ptr
- + glyph_pixmap->devKind * j
- + (glyph_pixmap->drawable.width - 1) / 8);
- right_x2_data = temp
- & (1 << ((glyph_pixmap->drawable.width - 1) % 8));
- }
- left_x1_map |= (left_x1_data != 0) << j;
- left_x2_map |= (left_x2_data != 0) << j;
- right_x1_map |= (right_x1_data != 0) << j;
- right_x2_map |= (right_x2_data != 0) << j;
- }
-
- priv->left_x1_map = left_x1_map;
- priv->left_x2_map = left_x2_map;
- priv->right_x1_map = right_x1_map;
- priv->right_x2_map = right_x2_map;
- priv->has_edge_map = TRUE;
- return;
-}
-
-/**
- * Returns TRUE if the glyphs in the lists intersect. Only checks based on
- * bounding box, which appears to be good enough to catch most cases at least.
- */
-
-#define INTERSECTED_TYPE_MASK 1
-#define NON_INTERSECTED 0
-#define INTERSECTED 1
-
-struct glamor_glyph_list {
- int nlist;
- GlyphListPtr list;
- GlyphPtr *glyphs;
- int type;
-};
-
-static Bool
-glyph_new_fixed_list(struct glamor_glyph_list *fixed_list,
- GlyphPtr *cur_glyphs,
- GlyphPtr ** head_glyphs,
- GlyphListPtr cur_list,
- int cur_pos, int cur_x, int cur_y,
- int x1, int y1, int x2, int y2,
- GlyphListPtr *head_list,
- int *head_pos,
- int *head_x,
- int *head_y, int *fixed_cnt, int type, BoxPtr prev_extents)
-{
- int x_off = 0;
- int y_off = 0;
- int n_off = 0;
- int list_cnt;
-
- if (type == NON_INTERSECTED) {
- if (x1 < prev_extents->x2 && x2 > prev_extents->x1
- && y1 < prev_extents->y2 && y2 > prev_extents->y1)
- return FALSE;
- x_off = (*(cur_glyphs - 1))->info.xOff;
- y_off = (*(cur_glyphs - 1))->info.yOff;
- n_off = 1;
- }
-
- list_cnt = cur_list - *head_list + 1;
- if (cur_pos <= n_off) {
- DEBUGF("break at %d n_off %d\n", cur_pos, n_off);
- list_cnt--;
- if (cur_pos < n_off) {
- /* we overlap with previous list's last glyph. */
- x_off += cur_list->xOff;
- y_off += cur_list->yOff;
- cur_list--;
- cur_pos = cur_list->len;
- if (cur_pos <= n_off) {
- list_cnt--;
- }
- }
- }
- DEBUGF("got %d lists\n", list_cnt);
- if (list_cnt != 0) {
- fixed_list->list = xallocarray(list_cnt, sizeof(*cur_list));
- memcpy(fixed_list->list, *head_list, list_cnt * sizeof(*cur_list));
- fixed_list->list[0].xOff = *head_x;
- fixed_list->list[0].yOff = *head_y;
- fixed_list->glyphs = *head_glyphs;
- fixed_list->type = type & INTERSECTED_TYPE_MASK;
- fixed_list->nlist = list_cnt;
- if (cur_list != *head_list) {
- fixed_list->list[0].len = (*head_list)->len - *head_pos;
- if (cur_pos != n_off)
- fixed_list->list[list_cnt - 1].len = cur_pos - n_off;
- }
- else
- fixed_list->list[0].len = cur_pos - *head_pos - n_off;
- (*fixed_cnt)++;
- }
-
- if (type <= INTERSECTED) {
- *head_list = cur_list;
- *head_pos = cur_pos - n_off;
- *head_x = cur_x - x_off;
- *head_y = cur_y - y_off;
- *head_glyphs = cur_glyphs - n_off;
- }
- return TRUE;
-}
-
-/*
- * This function detects glyph lists's overlapping.
- *
- * If check_fake_overlap is set, then it will check the glyph's left
- * and right small boxes's real overlapping pixels. And if there is
- * no real pixel overlapping, then it will not be treated as overlapped
- * case. And we also can configured it to ignore less than 2 pixels
- * overlappig.
- *
- * This function analyzes all the lists and split the list to multiple
- * lists which are pure overlapped glyph lists or pure non-overlapped
- * list if the overlapping only ocurr on the two adjacent glyphs.
- * Otherwise, it return -1.
- *
- **/
-
-static int
-glamor_glyphs_intersect(int nlist, GlyphListPtr list, GlyphPtr *glyphs,
- PictFormatShort mask_format,
- ScreenPtr screen, Bool check_fake_overlap,
- struct glamor_glyph_list *fixed_list, int fixed_size)
-{
- int x1, x2, y1, y2;
- int n;
- int x, y;
- BoxPtr extents;
- BoxRec prev_extents;
- Bool first = TRUE, first_list = TRUE;
- Bool need_free_list_region = FALSE;
- Bool need_free_fixed_list = FALSE;
- struct glamor_glyph *priv = NULL;
- Bool in_non_intersected_list = -1;
- GlyphListPtr head_list;
- int head_x, head_y, head_pos;
- int fixed_cnt = 0;
- GlyphPtr *head_glyphs;
- GlyphListPtr cur_list = list;
- RegionRec list_region;
- RegionRec current_region;
- BoxRec current_box;
-
- if (nlist > 1) {
- pixman_region_init(&list_region);
- need_free_list_region = TRUE;
- }
-
- pixman_region_init(&current_region);
-
- extents = pixman_region_extents(&current_region);
-
- x = 0;
- y = 0;
- x1 = x2 = y1 = y2 = 0;
- n = 0;
- extents->x1 = 0;
- extents->y1 = 0;
- extents->x2 = 0;
- extents->y2 = 0;
-
- head_list = list;
- DEBUGF("has %d lists.\n", nlist);
- while (nlist--) {
- BoxRec left_box, right_box = { 0 };
- Bool has_left_edge_box = FALSE, has_right_edge_box = FALSE;
- Bool left_to_right;
- struct glamor_glyph *left_priv = NULL, *right_priv = NULL;
-
- x += list->xOff;
- y += list->yOff;
- n = list->len;
- left_to_right = TRUE;
- cur_list = list++;
-
- if (_X_UNLIKELY(!first_list)) {
- pixman_region_init_with_extents(&current_region, extents);
- pixman_region_union(&list_region, &list_region, &current_region);
- first = TRUE;
- }
- else {
- head_list = cur_list;
- head_pos = cur_list->len - n;
- head_x = x;
- head_y = y;
- head_glyphs = glyphs;
- }
-
- DEBUGF("current list %p has %d glyphs\n", cur_list, n);
- while (n--) {
- GlyphPtr glyph = *glyphs++;
-
- DEBUGF("the %dth glyph\n", cur_list->len - n - 1);
- if (glyph->info.width == 0 || glyph->info.height == 0) {
- x += glyph->info.xOff;
- y += glyph->info.yOff;
- continue;
- }
- if (mask_format
- && mask_format != GlyphPicture(glyph)[screen->myNum]->format) {
- need_free_fixed_list = TRUE;
- goto done;
- }
-
- x1 = x - glyph->info.x;
- if (x1 < MINSHORT)
- x1 = MINSHORT;
- y1 = y - glyph->info.y;
- if (y1 < MINSHORT)
- y1 = MINSHORT;
- if (check_fake_overlap)
- priv = glamor_glyph_get_private(screen, glyph);
-
- x2 = x1 + glyph->info.width;
- y2 = y1 + glyph->info.height;
-
- if (x2 > MAXSHORT)
- x2 = MAXSHORT;
- if (y2 > MAXSHORT)
- y2 = MAXSHORT;
-
- if (first) {
- extents->x1 = x1;
- extents->y1 = y1;
- extents->x2 = x2;
- extents->y2 = y2;
-
- prev_extents = *extents;
-
- first = FALSE;
- if (check_fake_overlap && priv
- && priv->has_edge_map && glyph->info.yOff == 0) {
- left_box.x1 = x1;
- left_box.x2 = x1 + 1;
- left_box.y1 = y1;
-
- right_box.x1 = x2 - 2;
- right_box.x2 = x2 - 1;
- right_box.y1 = y1;
- left_priv = right_priv = priv;
- has_left_edge_box = TRUE;
- has_right_edge_box = TRUE;
- }
- }
- else {
- if (_X_UNLIKELY(!first_list)) {
- current_box.x1 = x1;
- current_box.y1 = y1;
- current_box.x2 = x2;
- current_box.y2 = y2;
- if (pixman_region_contains_rectangle
- (&list_region, &current_box) != PIXMAN_REGION_OUT) {
- need_free_fixed_list = TRUE;
- goto done;
- }
- }
-
- if (x1 < extents->x2 && x2 > extents->x1
- && y1 < extents->y2 && y2 > extents->y1) {
-
- if (check_fake_overlap &&
- (has_left_edge_box || has_right_edge_box)
- && priv->has_edge_map && glyph->info.yOff == 0) {
- int left_dx, right_dx;
- unsigned long long intersected;
-
- left_dx = has_left_edge_box ? 1 : 0;
- right_dx = has_right_edge_box ? 1 : 0;
- if (x1 + 1 < extents->x2 - right_dx &&
- x2 - 1 > extents->x1 + left_dx)
- goto real_intersected;
-
- if (left_to_right && has_right_edge_box) {
- if (x1 == right_box.x1) {
- intersected =
- ((priv->left_x1_map & right_priv->
- right_x1_map)
- | (priv->left_x2_map & right_priv->
- right_x2_map));
- if (intersected)
- goto real_intersected;
- }
- else if (x1 == right_box.x2) {
- intersected =
- (priv->left_x1_map & right_priv->
- right_x2_map);
- if (intersected) {
-#ifdef GLYPHS_EDEGE_OVERLAP_LOOSE_CHECK
- /* tolerate with two pixels overlap. */
- intersected &= ~(1 << __fls(intersected));
- if ((intersected & (intersected - 1)))
-#endif
- goto real_intersected;
- }
- }
- }
- else if (!left_to_right && has_left_edge_box) {
- if (x2 - 1 == left_box.x1) {
- intersected =
- (priv->right_x2_map & left_priv->
- left_x1_map);
- if (intersected) {
-#ifdef GLYPHS_EDEGE_OVERLAP_LOOSE_CHECK
- /* tolerate with two pixels overlap. */
- intersected &= ~(1 << __fls(intersected));
- if ((intersected & (intersected - 1)))
-#endif
- goto real_intersected;
- }
- }
- else if (x2 - 1 == right_box.x2) {
- if ((priv->right_x1_map & left_priv->
- left_x1_map)
- || (priv->right_x2_map & left_priv->
- left_x2_map))
- goto real_intersected;
- }
- }
- else {
- if (x1 < extents->x2 && x1 + 2 > extents->x1)
- goto real_intersected;
- }
- goto non_intersected;
- }
- else {
- real_intersected:
- DEBUGF("overlap with previous glyph.\n");
- if (in_non_intersected_list == 1) {
- if (fixed_cnt >= fixed_size) {
- need_free_fixed_list = TRUE;
- goto done;
- }
- if (!glyph_new_fixed_list(&fixed_list[fixed_cnt],
- glyphs - 1,
- &head_glyphs,
- cur_list,
- cur_list->len - (n + 1),
- x, y, x1, y1, x2, y2,
- &head_list, &head_pos,
- &head_x, &head_y,
- &fixed_cnt,
- NON_INTERSECTED,
- &prev_extents)) {
- need_free_fixed_list = TRUE;
- goto done;
- }
- }
-
- in_non_intersected_list = 0;
-
- }
- }
- else {
- non_intersected:
- DEBUGF("doesn't overlap with previous glyph.\n");
- if (in_non_intersected_list == 0) {
- if (fixed_cnt >= fixed_size) {
- need_free_fixed_list = TRUE;
- goto done;
- }
- if (!glyph_new_fixed_list(&fixed_list[fixed_cnt],
- glyphs - 1,
- &head_glyphs,
- cur_list,
- cur_list->len - (n + 1), x, y,
- x1, y1, x2, y2,
- &head_list,
- &head_pos,
- &head_x,
- &head_y, &fixed_cnt,
- INTERSECTED, &prev_extents)) {
- need_free_fixed_list = TRUE;
- goto done;
- }
- }
- in_non_intersected_list = 1;
- }
- prev_extents = *extents;
- }
-
- if (check_fake_overlap && priv
- && priv->has_edge_map && glyph->info.yOff == 0) {
- if (!has_left_edge_box || x1 < extents->x1) {
- left_box.x1 = x1;
- left_box.x2 = x1 + 1;
- left_box.y1 = y1;
- has_left_edge_box = TRUE;
- left_priv = priv;
- }
-
- if (!has_right_edge_box || x2 > extents->x2) {
- right_box.x1 = x2 - 2;
- right_box.x2 = x2 - 1;
- right_box.y1 = y1;
- has_right_edge_box = TRUE;
- right_priv = priv;
- }
- }
-
- if (x1 < extents->x1)
- extents->x1 = x1;
- if (x2 > extents->x2)
- extents->x2 = x2;
-
- if (y1 < extents->y1)
- extents->y1 = y1;
- if (y2 > extents->y2)
- extents->y2 = y2;
-
- x += glyph->info.xOff;
- y += glyph->info.yOff;
- }
- first_list = FALSE;
- }
-
- if (in_non_intersected_list == 0 && fixed_cnt == 0) {
- fixed_cnt = -1;
- goto done;
- }
-
- if ((in_non_intersected_list != -1 || head_pos != n) && (fixed_cnt > 0)) {
- if (fixed_cnt >= fixed_size) {
- need_free_fixed_list = TRUE;
- goto done;
- }
- if (!glyph_new_fixed_list(&fixed_list[fixed_cnt],
- glyphs - 1,
- &head_glyphs,
- cur_list,
- cur_list->len - (n + 1), x, y,
- x1, y1, x2, y2,
- &head_list,
- &head_pos,
- &head_x,
- &head_y, &fixed_cnt,
- (!in_non_intersected_list) | 0x80,
- &prev_extents)) {
- need_free_fixed_list = TRUE;
- goto done;
- }
- }
-
- done:
- if (need_free_list_region)
- pixman_region_fini(&list_region);
- pixman_region_fini(&current_region);
-
- if (need_free_fixed_list && fixed_cnt >= 0) {
- while (fixed_cnt--) {
- free(fixed_list[fixed_cnt].list);
- }
- }
-
- DEBUGF("Got %d fixed list \n", fixed_cnt);
- return fixed_cnt;
-}
-
-static inline unsigned int
-glamor_glyph_size_to_count(int size)
-{
- size /= GLYPH_MIN_SIZE;
- return size * size;
-}
-
-static inline unsigned int
-glamor_glyph_count_to_mask(int count)
-{
- return ~(count - 1);
-}
-
-static inline unsigned int
-glamor_glyph_size_to_mask(int size)
-{
- return glamor_glyph_count_to_mask(glamor_glyph_size_to_count(size));
-}
-
-static PicturePtr
-glamor_glyph_cache(glamor_screen_private *glamor, GlyphPtr glyph, int *out_x,
- int *out_y)
-{
- ScreenPtr screen = glamor->screen;
- PicturePtr glyph_picture = GlyphPicture(glyph)[screen->myNum];
- glamor_glyph_cache_t *cache =
- &glamor->glyphCaches[PICT_FORMAT_RGB(glyph_picture->format) != 0];
- struct glamor_glyph *priv = NULL, *evicted_priv = NULL;
- int size, mask, pos, s;
-
- if (glyph->info.width > GLYPH_MAX_SIZE
- || glyph->info.height > GLYPH_MAX_SIZE)
- return NULL;
-
- for (size = GLYPH_MIN_SIZE; size <= GLYPH_MAX_SIZE; size *= 2)
- if (glyph->info.width <= size && glyph->info.height <= size)
- break;
-
- s = glamor_glyph_size_to_count(size);
- mask = glamor_glyph_count_to_mask(s);
- pos = (cache->count + s - 1) & mask;
-
- priv = glamor_glyph_get_private(screen, glyph);
- if (pos < GLYPH_CACHE_SIZE) {
- cache->count = pos + s;
- }
- else {
- for (s = size; s <= GLYPH_MAX_SIZE; s *= 2) {
- int i = cache->evict & glamor_glyph_size_to_mask(s);
- GlyphPtr evicted = cache->glyphs[i];
-
- if (evicted == NULL)
- continue;
-
- evicted_priv = glamor_glyph_get_private(screen, evicted);
- assert(evicted_priv->pos == i);
- if (evicted_priv->size >= s) {
- cache->glyphs[i] = NULL;
- evicted_priv->cached = FALSE;
- pos = cache->evict & glamor_glyph_size_to_mask(size);
- }
- else
- evicted_priv = NULL;
- break;
- }
- if (evicted_priv == NULL) {
- int count = glamor_glyph_size_to_count(size);
-
- mask = glamor_glyph_count_to_mask(count);
- pos = cache->evict & mask;
- for (s = 0; s < count; s++) {
- GlyphPtr evicted = cache->glyphs[pos + s];
-
- if (evicted != NULL) {
-
- evicted_priv = glamor_glyph_get_private(screen, evicted);
-
- assert(evicted_priv->pos == pos + s);
- evicted_priv->cached = FALSE;
- cache->glyphs[pos + s] = NULL;
- }
- }
-
- }
- /* And pick a new eviction position */
- cache->evict = rand() % GLYPH_CACHE_SIZE;
- }
-
- cache->glyphs[pos] = glyph;
-
- priv->cache = cache;
- priv->size = size;
- priv->pos = pos;
- s = pos / ((GLYPH_MAX_SIZE / GLYPH_MIN_SIZE) *
- (GLYPH_MAX_SIZE / GLYPH_MIN_SIZE));
- priv->x = s % (CACHE_PICTURE_SIZE / GLYPH_MAX_SIZE) * GLYPH_MAX_SIZE;
- priv->y = (s / (CACHE_PICTURE_SIZE / GLYPH_MAX_SIZE)) * GLYPH_MAX_SIZE;
- for (s = GLYPH_MIN_SIZE; s < GLYPH_MAX_SIZE; s *= 2) {
- if (pos & 1)
- priv->x += s;
- if (pos & 2)
- priv->y += s;
- pos >>= 2;
- }
-
- glamor_glyph_cache_upload_glyph(screen, cache, glyph, priv->x, priv->y);
-#ifndef GLYPHS_NO_EDEGEMAP_OVERLAP_CHECK
- if (priv->has_edge_map == FALSE && glyph->info.width >= 2)
- glamor_glyph_priv_get_edge_map(glyph, priv, glyph_picture);
-#endif
- priv->cached = TRUE;
-
- *out_x = priv->x;
- *out_y = priv->y;
- return cache->picture;
-}
-
-typedef void (*glyphs_flush_func) (void *arg);
-struct glyphs_flush_dst_arg {
- CARD8 op;
- PicturePtr src;
- PicturePtr dst;
- glamor_glyph_buffer_t *buffer;
- int x_src, y_src;
- int x_dst, y_dst;
-};
-
-static struct glyphs_flush_dst_arg dst_arg;
-static struct glyphs_flush_mask_arg mask_arg;
-static glamor_glyph_buffer_t dst_buffer;
-static glamor_glyph_buffer_t mask_buffer;
-unsigned long long mask_glyphs_cnt = 0;
-unsigned long long dst_glyphs_cnt = 0;
-
-#define GLYPHS_DST_MODE_VIA_MASK 0
-#define GLYPHS_DST_MODE_VIA_MASK_CACHE 1
-#define GLYPHS_DST_MODE_TO_DST 2
-#define GLYPHS_DST_MODE_MASK_TO_DST 3
-
-struct glyphs_flush_mask_arg {
- PicturePtr mask;
- glamor_glyph_buffer_t *buffer;
- glamor_glyph_mask_cache_t *maskcache;
- unsigned int used_bitmap;
-};
-
-static void
-glamor_glyphs_flush_mask(struct glyphs_flush_mask_arg *arg)
-{
- if (arg->buffer->count > 0) {
- glamor_composite_glyph_rects(PictOpAdd, arg->buffer->source,
- NULL, arg->mask,
- arg->buffer->count, arg->buffer->rects);
- }
- arg->buffer->count = 0;
- arg->buffer->source = NULL;
-
-}
-
-static void
-glamor_glyphs_flush_dst(struct glyphs_flush_dst_arg *arg)
-{
- if (!arg->buffer)
- return;
-
- if (mask_buffer.count > 0) {
- glamor_glyphs_flush_mask(&mask_arg);
- }
- if (mask_arg.used_bitmap) {
- put_mask_cache_bitmap(mask_arg.maskcache, mask_arg.used_bitmap);
- mask_arg.used_bitmap = 0;
- }
-
- if (arg->buffer->count > 0) {
- glamor_composite_glyph_rects(arg->op, arg->src,
- arg->buffer->source, arg->dst,
- arg->buffer->count,
- &arg->buffer->rects[0]);
- arg->buffer->count = 0;
- arg->buffer->source = NULL;
- }
-}
-
-static glamor_glyph_cache_result_t
-glamor_buffer_glyph(glamor_screen_private *glamor_priv,
- glamor_glyph_buffer_t *buffer,
- PictFormatShort format,
- GlyphPtr glyph, struct glamor_glyph *priv,
- int x_glyph, int y_glyph,
- int dx, int dy, int w, int h,
- int glyphs_dst_mode,
- glyphs_flush_func glyphs_flush, void *flush_arg)
-{
- ScreenPtr screen = glamor_priv->screen;
- glamor_composite_rect_t *rect;
- PicturePtr source;
- int x, y;
- glamor_glyph_cache_t *cache;
-
- if (glyphs_dst_mode != GLYPHS_DST_MODE_MASK_TO_DST)
- priv = glamor_glyph_get_private(screen, glyph);
-
- if (PICT_FORMAT_BPP(format) == 1)
- format = PICT_a8;
-
- cache = &glamor_priv->glyphCaches[PICT_FORMAT_RGB(format) != 0];
-
- if (buffer->source && buffer->source != cache->picture && glyphs_flush) {
- (*glyphs_flush) (flush_arg);
- glyphs_flush = NULL;
- }
-
- if (buffer->count == GLYPH_BUFFER_SIZE && glyphs_flush) {
- (*glyphs_flush) (flush_arg);
- glyphs_flush = NULL;
- }
-
- if (priv && priv->cached) {
- rect = &buffer->rects[buffer->count++];
- rect->x_src = priv->x + dx;
- rect->y_src = priv->y + dy;
- if (buffer->source == NULL)
- buffer->source = priv->cache->picture;
- if (glyphs_dst_mode <= GLYPHS_DST_MODE_VIA_MASK_CACHE)
- assert(priv->cache->glyphs[priv->pos] == glyph);
- }
- else {
- assert(glyphs_dst_mode != GLYPHS_DST_MODE_MASK_TO_DST);
- if (glyphs_flush)
- (*glyphs_flush) (flush_arg);
- source = glamor_glyph_cache(glamor_priv, glyph, &x, &y);
-
- if (source != NULL) {
- rect = &buffer->rects[buffer->count++];
- rect->x_src = x + dx;
- rect->y_src = y + dy;
- if (buffer->source == NULL)
- buffer->source = source;
- if (glyphs_dst_mode == GLYPHS_DST_MODE_VIA_MASK_CACHE) {
- /* mode 1 means we are using global mask cache,
- * thus we have to composite from the cache picture
- * to the cache picture, we need a flush here to make
- * sure latter we get the corret glyphs data.*/
- glamor_make_current(glamor_priv);
- glFlush();
- }
- }
- else {
- /* Couldn't find the glyph in the cache, use the glyph picture directly */
- source = GlyphPicture(glyph)[screen->myNum];
- if (buffer->source && buffer->source != source && glyphs_flush)
- (*glyphs_flush) (flush_arg);
- buffer->source = source;
-
- rect = &buffer->rects[buffer->count++];
- rect->x_src = 0 + dx;
- rect->y_src = 0 + dy;
- }
- priv = glamor_glyph_get_private(screen, glyph);
- }
-
- rect->x_dst = x_glyph;
- rect->y_dst = y_glyph;
- if (glyphs_dst_mode != GLYPHS_DST_MODE_MASK_TO_DST) {
- rect->x_dst -= glyph->info.x;
- rect->y_dst -= glyph->info.y;
- }
- rect->width = w;
- rect->height = h;
- if (glyphs_dst_mode > GLYPHS_DST_MODE_VIA_MASK_CACHE) {
- rect->x_mask = rect->x_src;
- rect->y_mask = rect->y_src;
- rect->x_src = dst_arg.x_src + rect->x_dst - dst_arg.x_dst;
- rect->y_src = dst_arg.y_src + rect->y_dst - dst_arg.y_dst;
- }
-
- return GLAMOR_GLYPH_SUCCESS;
-}
-
-static void
-glamor_buffer_glyph_clip(glamor_screen_private *glamor_priv,
- BoxPtr rects,
- int nrect, PictFormatShort format,
- GlyphPtr glyph, struct glamor_glyph *priv,
- int glyph_x, int glyph_y,
- int glyph_dx, int glyph_dy,
- int width, int height,
- int glyphs_mode,
- glyphs_flush_func flush_func, void *arg)
-{
- int i;
-
- for (i = 0; i < nrect; i++) {
- int dst_x, dst_y;
- int dx, dy;
- int x2, y2;
-
- dst_x = glyph_x - glyph_dx;
- dst_y = glyph_y - glyph_dy;
- x2 = dst_x + width;
- y2 = dst_y + height;
- dx = dy = 0;
- if (rects[i].y1 >= y2)
- break;
-
- if (dst_x < rects[i].x1)
- dx = rects[i].x1 - dst_x, dst_x = rects[i].x1;
- if (x2 > rects[i].x2)
- x2 = rects[i].x2;
- if (dst_y < rects[i].y1)
- dy = rects[i].y1 - dst_y, dst_y = rects[i].y1;
- if (y2 > rects[i].y2)
- y2 = rects[i].y2;
- if (dst_x < x2 && dst_y < y2) {
-
- glamor_buffer_glyph(glamor_priv,
- &dst_buffer,
- format,
- glyph, priv,
- dst_x + glyph_dx,
- dst_y + glyph_dy,
- dx, dy,
- x2 - dst_x, y2 - dst_y,
- glyphs_mode, flush_func, arg);
- }
- }
-}
-
-static void
-glamor_glyphs_via_mask(CARD8 op,
- PicturePtr src,
- PicturePtr dst,
- PictFormatPtr mask_format,
- INT16 x_src,
- INT16 y_src,
- int nlist, GlyphListPtr list, GlyphPtr *glyphs,
- Bool use_mask_cache)
-{
- PixmapPtr mask_pixmap = 0;
- PicturePtr mask;
- ScreenPtr screen = dst->pDrawable->pScreen;
- int width = 0, height = 0;
- int x, y;
- int x_dst = list->xOff, y_dst = list->yOff;
- int n;
- GlyphPtr glyph;
- int error;
- BoxRec extents = { 0, 0, 0, 0 };
- XID component_alpha;
- glamor_screen_private *glamor_priv;
- int need_free_mask = FALSE;
- glamor_glyph_buffer_t buffer;
- struct glyphs_flush_mask_arg arg;
- glamor_glyph_buffer_t *pmask_buffer;
- struct glyphs_flush_mask_arg *pmask_arg;
- struct glamor_glyph_mask_cache_entry *mce = NULL;
- glamor_glyph_mask_cache_t *maskcache;
- glamor_glyph_cache_t *cache;
- int glyphs_dst_mode;
-
- glamor_glyph_extents(nlist, list, glyphs, &extents);
-
- if (extents.x2 <= extents.x1 || extents.y2 <= extents.y1)
- return;
- glamor_priv = glamor_get_screen_private(screen);
- width = extents.x2 - extents.x1;
- height = extents.y2 - extents.y1;
-
- if (mask_format->depth == 1) {
- PictFormatPtr a8Format = PictureMatchFormat(screen, 8, PICT_a8);
-
- if (a8Format)
- mask_format = a8Format;
- }
-
- cache = &glamor_priv->glyphCaches
- [PICT_FORMAT_RGB(mask_format->format) != 0];
- maskcache = glamor_priv->mask_cache[PICT_FORMAT_RGB(mask_format->format) != 0];
-
- x = -extents.x1;
- y = -extents.y1;
- if (!use_mask_cache || width > (CACHE_PICTURE_SIZE / 4)
- || height > MASK_CACHE_MAX_SIZE) {
- new_mask_pixmap:
- mask_pixmap = glamor_create_pixmap(screen, width, height,
- mask_format->depth,
- CREATE_PIXMAP_USAGE_SCRATCH);
- if (!mask_pixmap) {
- glamor_destroy_pixmap(mask_pixmap);
- return;
- }
- glamor_solid(mask_pixmap, 0, 0, width, height, 0);
- component_alpha = NeedsComponent(mask_format->format);
- mask = CreatePicture(0, &mask_pixmap->drawable,
- mask_format, CPComponentAlpha,
- &component_alpha, serverClient, &error);
- if (!mask)
- return;
- need_free_mask = TRUE;
- pmask_arg = &arg;
- pmask_buffer = &buffer;
- pmask_buffer->count = 0;
- pmask_buffer->source = NULL;
- pmask_arg->used_bitmap = 0;
- glyphs_dst_mode = GLYPHS_DST_MODE_VIA_MASK;
- }
- else {
- int retry_cnt = 0;
-
- retry:
- mce = get_mask_cache(maskcache,
- (width + MASK_CACHE_MAX_SIZE -
- 1) / MASK_CACHE_MAX_SIZE);
-
- if (mce == NULL) {
- glamor_glyphs_flush_dst(&dst_arg);
- retry_cnt++;
- if (retry_cnt > 2) {
- assert(0);
- goto new_mask_pixmap;
- }
- goto retry;
- }
-
- mask = cache->picture;
- x += mce->x;
- y += mce->y;
- mce->width = (width + MASK_CACHE_MAX_SIZE - 1) / MASK_CACHE_MAX_SIZE;
- mce->height = 1;
- if (mask_arg.mask && mask_arg.mask != mask && mask_buffer.count != 0)
- glamor_glyphs_flush_dst(&dst_arg);
- pmask_arg = &mask_arg;
- pmask_buffer = &mask_buffer;
- pmask_arg->maskcache = maskcache;
- glyphs_dst_mode = GLYPHS_DST_MODE_VIA_MASK_CACHE;
- }
- pmask_arg->mask = mask;
- pmask_arg->buffer = pmask_buffer;
- while (nlist--) {
- x += list->xOff;
- y += list->yOff;
- n = list->len;
- mask_glyphs_cnt += n;
- while (n--) {
- glyph = *glyphs++;
- if (glyph->info.width > 0 && glyph->info.height > 0) {
- glyphs_flush_func flush_func;
- void *temp_arg;
-
- if (need_free_mask) {
- if (pmask_buffer->count)
- flush_func =
- (glyphs_flush_func) glamor_glyphs_flush_mask;
- else
- flush_func = NULL;
- temp_arg = pmask_arg;
- }
- else {
- /* If we are using global mask cache, then we need to
- * flush dst instead of mask. As some dst depends on the
- * previous mask result. Just flush mask can't get all previous's
- * overlapped glyphs.*/
- if (dst_buffer.count || mask_buffer.count)
- flush_func =
- (glyphs_flush_func) glamor_glyphs_flush_dst;
- else
- flush_func = NULL;
- temp_arg = &dst_arg;
- }
- glamor_buffer_glyph(glamor_priv, pmask_buffer,
- mask_format->format,
- glyph, NULL, x, y,
- 0, 0,
- glyph->info.width, glyph->info.height,
- glyphs_dst_mode,
- flush_func, (void *) temp_arg);
- }
- x += glyph->info.xOff;
- y += glyph->info.yOff;
- }
- list++;
- }
-
- x = extents.x1;
- y = extents.y1;
- if (need_free_mask) {
- glamor_glyphs_flush_mask(pmask_arg);
- CompositePicture(op,
- src,
- mask,
- dst,
- x_src + x - x_dst,
- y_src + y - y_dst, 0, 0, x, y, width, height);
- FreePicture(mask, 0);
- glamor_destroy_pixmap(mask_pixmap);
- }
- else {
- struct glamor_glyph priv;
- glyphs_flush_func flush_func;
- BoxPtr rects;
- int nrect;
-
- priv.cache = cache;
- priv.x = mce->x;
- priv.y = mce->y;
- priv.cached = TRUE;
- rects = REGION_RECTS(dst->pCompositeClip);
- nrect = REGION_NUM_RECTS(dst->pCompositeClip);
-
- pmask_arg->used_bitmap |= ((1 << mce->width) - 1) << mce->idx;
- dst_arg.op = op;
- dst_arg.src = src;
- dst_arg.dst = dst;
- dst_arg.buffer = &dst_buffer;
- dst_arg.x_src = x_src;
- dst_arg.y_src = y_src;
- dst_arg.x_dst = x_dst;
- dst_arg.y_dst = y_dst;
-
- if (dst_buffer.source == NULL) {
- dst_buffer.source = cache->picture;
- }
- else if (dst_buffer.source != cache->picture) {
- glamor_glyphs_flush_dst(&dst_arg);
- dst_buffer.source = cache->picture;
- }
-
- x += dst->pDrawable->x;
- y += dst->pDrawable->y;
-
- if (dst_buffer.count || mask_buffer.count)
- flush_func = (glyphs_flush_func) glamor_glyphs_flush_dst;
- else
- flush_func = NULL;
-
- glamor_buffer_glyph_clip(glamor_priv,
- rects, nrect,
- mask_format->format,
- NULL, &priv,
- x, y,
- 0, 0,
- width, height,
- GLYPHS_DST_MODE_MASK_TO_DST,
- flush_func, (void *) &dst_arg);
- }
-}
-
-static void
-glamor_glyphs_to_dst(CARD8 op,
- PicturePtr src,
- PicturePtr dst,
- INT16 x_src,
- INT16 y_src,
- int nlist, GlyphListPtr list, GlyphPtr *glyphs)
-{
- ScreenPtr screen = dst->pDrawable->pScreen;
- int x = 0, y = 0;
- int x_dst = list->xOff, y_dst = list->yOff;
- int n;
- GlyphPtr glyph;
- BoxPtr rects;
- int nrect;
- glamor_screen_private *glamor_priv;
-
- rects = REGION_RECTS(dst->pCompositeClip);
- nrect = REGION_NUM_RECTS(dst->pCompositeClip);
-
- glamor_priv = glamor_get_screen_private(screen);
-
- dst_arg.op = op;
- dst_arg.src = src;
- dst_arg.dst = dst;
- dst_arg.buffer = &dst_buffer;
- dst_arg.x_src = x_src;
- dst_arg.y_src = y_src;
- dst_arg.x_dst = x_dst;
- dst_arg.y_dst = y_dst;
-
- x = dst->pDrawable->x;
- y = dst->pDrawable->y;
-
- while (nlist--) {
- x += list->xOff;
- y += list->yOff;
- n = list->len;
- dst_glyphs_cnt += n;
- while (n--) {
- glyph = *glyphs++;
-
- if (glyph->info.width > 0 && glyph->info.height > 0) {
- glyphs_flush_func flush_func;
-
- if (dst_buffer.count || mask_buffer.count)
- flush_func = (glyphs_flush_func) glamor_glyphs_flush_dst;
- else
- flush_func = NULL;
- glamor_buffer_glyph_clip(glamor_priv,
- rects, nrect,
- (GlyphPicture(glyph)[screen->myNum])->
- format, glyph, NULL, x, y,
- glyph->info.x, glyph->info.y,
- glyph->info.width, glyph->info.height,
- GLYPHS_DST_MODE_TO_DST, flush_func,
- (void *) &dst_arg);
- }
-
- x += glyph->info.xOff;
- y += glyph->info.yOff;
- }
- list++;
- }
-}
-
-#define MAX_FIXED_SIZE
-static void
-glamor_glyphs_reset_buffer(glamor_glyph_buffer_t *buffer)
-{
- buffer->count = 0;
- buffer->source = NULL;
-}
-
-static Bool
-_glamor_glyphs(CARD8 op,
- PicturePtr src,
- PicturePtr dst,
- PictFormatPtr mask_format,
- INT16 x_src,
- INT16 y_src, int nlist, GlyphListPtr list,
- GlyphPtr *glyphs, Bool fallback)
-{
- PictFormatShort format;
- int fixed_size, fixed_cnt = 0;
- struct glamor_glyph_list *fixed_list = NULL;
- Bool need_free_list = FALSE;
-
-#ifndef GLYPHS_NO_EDEGEMAP_OVERLAP_CHECK
- Bool check_fake_overlap = TRUE;
-
- if (!(op == PictOpOver || op == PictOpAdd || op == PictOpXor)) {
- /* C = (0,0,0,0) D = glyphs , SRC = A, DEST = B (faked overlapped glyphs, overlapped with (0,0,0,0)).
- * For those op, (A IN (C ADD D)) OP B != (A IN D) OP ((A IN C) OP B)
- * or (A IN (D ADD C)) OP B != (A IN C) OP ((A IN D) OP B)
- * We need to split the faked regions to three or two, and composite the disoverlapped small
- * boxes one by one. For other Ops, it's safe to composite the whole box. */
- check_fake_overlap = FALSE;
- }
-#else
- Bool check_fake_overlap = FALSE;
-#endif
- if (mask_format)
- format = mask_format->depth << 24 | mask_format->format;
- else
- format = 0;
-
- fixed_size = 32;
- glamor_glyphs_reset_buffer(&dst_buffer);
-
- if (!mask_format || (((nlist == 1 && list->len == 1) || op == PictOpAdd)
- && (dst->format ==
- ((mask_format->depth << 24) | mask_format->
- format)))) {
- glamor_glyphs_to_dst(op, src, dst, x_src, y_src, nlist, list, glyphs);
- goto last_flush;
- }
-
- glamor_glyphs_reset_buffer(&mask_buffer);
-
- /* We have mask_format. Need to check the real overlap or not. */
- format = mask_format->depth << 24 | mask_format->format;
-
- fixed_list = calloc(fixed_size, sizeof(*fixed_list));
- if (_X_UNLIKELY(fixed_list == NULL))
- fixed_size = 0;
- fixed_cnt = glamor_glyphs_intersect(nlist, list, glyphs,
- format, dst->pDrawable->pScreen,
- check_fake_overlap,
- fixed_list, fixed_size);
- if (fixed_cnt == 0)
- mask_format = NULL;
- need_free_list = TRUE;
-
- if (fixed_cnt <= 0) {
- if (mask_format == NULL) {
- glamor_glyphs_to_dst(op, src, dst, x_src, y_src, nlist,
- list, glyphs);
- goto last_flush;
- }
- else {
- glamor_glyphs_via_mask(op, src, dst, mask_format,
- x_src, y_src, nlist, list, glyphs, FALSE);
- goto free_fixed_list;
- }
- }
- else {
-
- /* We have splitted the original list to serval list, some are overlapped
- * and some are non-overlapped. For the non-overlapped, we render it to
- * dst directly. For the overlapped, we render it to mask picture firstly,
- * then render the mask to dst. If we can use mask cache which is in the
- * glyphs cache's last row, we can accumulate the rendering of mask to dst
- * with the other dst_buffer's rendering operations thus can reduce the call
- * of glDrawElements.
- *
- * */
- struct glamor_glyph_list *saved_list;
-
- saved_list = fixed_list;
- mask_arg.used_bitmap = 0;
- while (fixed_cnt--) {
- if (fixed_list->type == NON_INTERSECTED) {
- glamor_glyphs_to_dst(op, src, dst,
- x_src, y_src,
- fixed_list->nlist,
- fixed_list->list, fixed_list->glyphs);
- }
- else
- glamor_glyphs_via_mask(op, src, dst,
- mask_format, x_src, y_src,
- fixed_list->nlist,
- fixed_list->list,
- fixed_list->glyphs, TRUE);
-
- free(fixed_list->list);
- fixed_list++;
- }
- free(saved_list);
- need_free_list = FALSE;
- }
-
- last_flush:
- if (dst_buffer.count || mask_buffer.count)
- glamor_glyphs_flush_dst(&dst_arg);
- free_fixed_list:
- if (need_free_list) {
- assert(fixed_cnt <= 0);
- free(fixed_list);
- }
- return TRUE;
-}
-
-void
-glamor_glyphs(CARD8 op,
- PicturePtr src,
- PicturePtr dst,
- PictFormatPtr mask_format,
- INT16 x_src,
- INT16 y_src, int nlist, GlyphListPtr list, GlyphPtr *glyphs)
-{
- _glamor_glyphs(op, src, dst, mask_format, x_src,
- y_src, nlist, list, glyphs, TRUE);
-}
diff --git a/glamor/glamor_priv.h b/glamor/glamor_priv.h
index e586fcc51..480d13bfe 100644
--- a/glamor/glamor_priv.h
+++ b/glamor/glamor_priv.h
@@ -154,41 +154,8 @@ enum glamor_gl_flavor {
GLAMOR_GL_ES2 // OPENGL ES2.0 API
};
-#define GLAMOR_NUM_GLYPH_CACHE_FORMATS 2
-
#define GLAMOR_COMPOSITE_VBO_VERT_CNT (64*1024)
-typedef struct {
- PicturePtr picture; /* Where the glyphs of the cache are stored */
- GlyphPtr *glyphs;
- uint16_t count;
- uint16_t evict;
-} glamor_glyph_cache_t;
-
-#define CACHE_PICTURE_SIZE 1024
-#define GLYPH_MIN_SIZE 8
-#define GLYPH_MAX_SIZE 64
-#define GLYPH_CACHE_SIZE ((CACHE_PICTURE_SIZE) * CACHE_PICTURE_SIZE / (GLYPH_MIN_SIZE * GLYPH_MIN_SIZE))
-
-#define MASK_CACHE_MAX_SIZE 32
-#define MASK_CACHE_WIDTH (CACHE_PICTURE_SIZE / MASK_CACHE_MAX_SIZE)
-#define MASK_CACHE_MASK ((1LL << (MASK_CACHE_WIDTH)) - 1)
-
-struct glamor_glyph_mask_cache_entry {
- int idx;
- int width;
- int height;
- int x;
- int y;
-};
-
-typedef struct {
- PixmapPtr pixmap;
- struct glamor_glyph_mask_cache_entry mcache[MASK_CACHE_WIDTH];
- unsigned int free_bitmap;
- unsigned int cleared_bitmap;
-} glamor_glyph_mask_cache_t;
-
struct glamor_saved_procs {
CloseScreenProcPtr close_screen;
CreateScreenResourcesProcPtr create_screen_resources;
@@ -208,7 +175,6 @@ struct glamor_saved_procs {
AddTrapsProcPtr addtraps;
CreatePictureProcPtr create_picture;
DestroyPictureProcPtr destroy_picture;
- UnrealizeGlyphProcPtr unrealize_glyph;
SetWindowPixmapProcPtr set_window_pixmap;
#if XSYNC
SyncScreenFuncsRec sync_screen_funcs;
@@ -274,6 +240,14 @@ typedef struct glamor_screen_private {
glamor_program_fill on_off_dash_line_progs;
glamor_program double_dash_line_prog;
+ /* glamor composite_glyphs shaders */
+ glamor_program_render glyphs_program;
+ struct glamor_glyph_atlas *glyph_atlas_a;
+ struct glamor_glyph_atlas *glyph_atlas_argb;
+ int glyph_atlas_dim;
+ int glyph_max_dim;
+ char *glyph_defines;
+
/* vertext/elment_index buffer object for render */
GLuint vbo, ebo;
/** Next offset within the VBO that glamor_get_vbo_space() will use. */
@@ -292,9 +266,6 @@ typedef struct glamor_screen_private {
glamor_composite_shader composite_shader[SHADER_SOURCE_COUNT]
[SHADER_MASK_COUNT]
[SHADER_IN_COUNT];
- glamor_glyph_cache_t glyphCaches[GLAMOR_NUM_GLYPH_CACHE_FORMATS];
- glamor_glyph_mask_cache_t *mask_cache[GLAMOR_NUM_GLYPH_CACHE_FORMATS];
- Bool glyph_caches_realized;
/* shaders to restore a texture to another texture. */
GLint finish_access_prog[2];
@@ -707,17 +678,6 @@ RegionPtr glamor_bitmap_to_region(PixmapPtr pixmap);
void
glamor_track_stipple(GCPtr gc);
-/* glamor_glyphs.c */
-Bool glamor_realize_glyph_caches(ScreenPtr screen);
-void glamor_glyph_unrealize(ScreenPtr screen, GlyphPtr glyph);
-void glamor_glyphs_fini(ScreenPtr screen);
-void glamor_glyphs(CARD8 op,
- PicturePtr pSrc,
- PicturePtr pDst,
- PictFormatPtr maskFormat,
- INT16 xSrc,
- INT16 ySrc, int nlist, GlyphListPtr list, GlyphPtr *glyphs);
-
/* glamor_render.c */
Bool glamor_composite_clipped_region(CARD8 op,
PicturePtr source,
@@ -744,10 +704,6 @@ void glamor_composite(CARD8 op,
void glamor_init_composite_shaders(ScreenPtr screen);
void glamor_fini_composite_shaders(ScreenPtr screen);
-void glamor_composite_glyph_rects(CARD8 op,
- PicturePtr src, PicturePtr mask,
- PicturePtr dst, int nrect,
- glamor_composite_rect_t *rects);
void glamor_composite_rects(CARD8 op,
PicturePtr pDst,
xRenderColor *color, int nRect, xRectangle *rects);
@@ -994,6 +950,22 @@ void glamor_composite_rectangles(CARD8 op,
xRenderColor *color,
int num_rects, xRectangle *rects);
+/* glamor_composite_glyphs.c */
+Bool
+glamor_composite_glyphs_init(ScreenPtr pScreen);
+
+void
+glamor_composite_glyphs_fini(ScreenPtr pScreen);
+
+void
+glamor_composite_glyphs(CARD8 op,
+ PicturePtr src,
+ PicturePtr dst,
+ PictFormatPtr mask_format,
+ INT16 x_src,
+ INT16 y_src, int nlist,
+ GlyphListPtr list, GlyphPtr *glyphs);
+
/* glamor_sync.c */
Bool
glamor_sync_init(ScreenPtr screen);
@@ -1077,8 +1049,6 @@ void glamor_xv_render(glamor_port_private *port_priv);
#if 0
#define MAX_FBO_SIZE 32 /* For test purpose only. */
#endif
-//#define GLYPHS_NO_EDEGEMAP_OVERLAP_CHECK
-#define GLYPHS_EDEGE_OVERLAP_LOOSE_CHECK
#include "glamor_font.h"
diff --git a/glamor/glamor_program.c b/glamor/glamor_program.c
index d0912878d..1dc5f1983 100644
--- a/glamor/glamor_program.c
+++ b/glamor/glamor_program.c
@@ -139,6 +139,10 @@ static glamor_location_var location_vars[] = {
.vs_vars = "uniform float dash_length;\n",
.fs_vars = "uniform sampler2D dash;\n",
},
+ {
+ .location = glamor_program_location_atlas,
+ .fs_vars = "uniform sampler2D atlas;\n",
+ },
};
#define NUM_LOCATION_VARS (sizeof location_vars / sizeof location_vars[0])
@@ -355,6 +359,7 @@ glamor_build_program(ScreenPtr screen,
prog->bitmul_uniform = glamor_get_uniform(prog, glamor_program_location_bitplane, "bitmul");
prog->dash_uniform = glamor_get_uniform(prog, glamor_program_location_dash, "dash");
prog->dash_length_uniform = glamor_get_uniform(prog, glamor_program_location_dash, "dash_length");
+ prog->atlas_uniform = glamor_get_uniform(prog, glamor_program_location_atlas, "atlas");
free(version_string);
free(fs_vars);
diff --git a/glamor/glamor_program.h b/glamor/glamor_program.h
index ad1e9fd93..9e561cd92 100644
--- a/glamor/glamor_program.h
+++ b/glamor/glamor_program.h
@@ -81,6 +81,7 @@ struct _glamor_program {
GLint bitmul_uniform;
GLint dash_uniform;
GLint dash_length_uniform;
+ GLint atlas_uniform;
glamor_program_location locations;
glamor_program_flag flags;
glamor_use prim_use;
diff --git a/glamor/glamor_render.c b/glamor/glamor_render.c
index 27c09fd48..efca36744 100644
--- a/glamor/glamor_render.c
+++ b/glamor/glamor_render.c
@@ -1701,139 +1701,3 @@ glamor_composite(CARD8 op,
glamor_finish_access_picture(source);
glamor_finish_access_picture(dest);
}
-
-static void
-glamor_get_src_rect_extent(int nrect,
- glamor_composite_rect_t *rects, BoxPtr extent)
-{
- extent->x1 = MAXSHORT;
- extent->y1 = MAXSHORT;
- extent->x2 = MINSHORT;
- extent->y2 = MINSHORT;
-
- while (nrect--) {
- if (extent->x1 > rects->x_src)
- extent->x1 = rects->x_src;
- if (extent->y1 > rects->y_src)
- extent->y1 = rects->y_src;
- if (extent->x2 < rects->x_src + rects->width)
- extent->x2 = rects->x_src + rects->width;
- if (extent->y2 < rects->y_src + rects->height)
- extent->y2 = rects->y_src + rects->height;
- rects++;
- }
-}
-
-static void
-glamor_composite_src_rect_translate(int nrect,
- glamor_composite_rect_t *rects,
- int x, int y)
-{
- while (nrect--) {
- rects->x_src += x;
- rects->y_src += y;
- rects++;
- }
-}
-
-void
-glamor_composite_glyph_rects(CARD8 op,
- PicturePtr src, PicturePtr mask, PicturePtr dst,
- int nrect, glamor_composite_rect_t *rects)
-{
- int n;
- PicturePtr temp_src = NULL;
- glamor_composite_rect_t *r;
-
- ValidatePicture(src);
- ValidatePicture(dst);
- if (!(glamor_is_large_picture(src)
- || (mask && glamor_is_large_picture(mask))
- || glamor_is_large_picture(dst))) {
- PixmapPtr src_pixmap = NULL;
- PixmapPtr mask_pixmap = NULL;
- PixmapPtr dst_pixmap = NULL;
- PixmapPtr temp_src_pixmap = NULL;
- glamor_pixmap_private *src_pixmap_priv = NULL;
- glamor_pixmap_private *mask_pixmap_priv = NULL;
- glamor_pixmap_private *dst_pixmap_priv;
- glamor_pixmap_private *temp_src_priv = NULL;
- BoxRec src_extent;
-
- dst_pixmap = glamor_get_drawable_pixmap(dst->pDrawable);
- dst_pixmap_priv = glamor_get_pixmap_private(dst_pixmap);
-
- if (mask && mask->pDrawable) {
- mask_pixmap = glamor_get_drawable_pixmap(mask->pDrawable);
- mask_pixmap_priv = glamor_get_pixmap_private(mask_pixmap);
- }
- if (src->pDrawable) {
- src_pixmap = glamor_get_drawable_pixmap(src->pDrawable);
- src_pixmap_priv = glamor_get_pixmap_private(src_pixmap);
- }
-
- if (!src->pDrawable
- && (src->pSourcePict->type != SourcePictTypeSolidFill)) {
- glamor_get_src_rect_extent(nrect, rects, &src_extent);
- temp_src = glamor_convert_gradient_picture(dst->pDrawable->pScreen,
- src,
- src_extent.x1,
- src_extent.y1,
- src_extent.x2 -
- src_extent.x1,
- src_extent.y2 -
- src_extent.y1);
- if (!temp_src)
- goto fallback;
-
- temp_src_pixmap = (PixmapPtr) (temp_src->pDrawable);
- temp_src_priv = glamor_get_pixmap_private(temp_src_pixmap);
- glamor_composite_src_rect_translate(nrect, rects,
- -src_extent.x1, -src_extent.y1);
- }
- else {
- temp_src = src;
- temp_src_pixmap = src_pixmap;
- temp_src_priv = src_pixmap_priv;
- }
-
- if (mask && mask->componentAlpha) {
- if (op == PictOpOver) {
- if (glamor_composite_with_shader(PictOpOutReverse,
- temp_src, mask, dst,
- temp_src_pixmap, mask_pixmap, dst_pixmap,
- temp_src_priv,
- mask_pixmap_priv,
- dst_pixmap_priv, nrect, rects,
- TRUE))
- goto done;
- }
- }
- else {
- if (glamor_composite_with_shader
- (op, temp_src, mask, dst,
- temp_src_pixmap, mask_pixmap, dst_pixmap,
- temp_src_priv, mask_pixmap_priv,
- dst_pixmap_priv, nrect, rects, FALSE))
- goto done;
- }
- }
- fallback:
- n = nrect;
- r = rects;
-
- while (n--) {
- CompositePicture(op,
- temp_src ? temp_src : src,
- mask,
- dst,
- r->x_src, r->y_src,
- r->x_mask, r->y_mask,
- r->x_dst, r->y_dst, r->width, r->height);
- r++;
- }
-
- done:
- if (temp_src && temp_src != src)
- FreePicture(temp_src, 0);
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-23 10:14:25 +0000