diff options
author | Keith Packard <keithp@keithp.com> | 2014-04-01 21:15:47 -0700 |
---|---|---|
committer | Keith Packard <keithp@keithp.com> | 2014-04-03 13:07:52 -0700 |
commit | 5f700c3ac31db52f02f6ef11ea7823a8ce4f6f6f (patch) | |
tree | 1f47a5cbc6754c7d0e8dad6b110a9e5e5eab9b56 /glamor/glamor_glyphblt.c | |
parent | 3411e8c538476443cafbb70082ef7457932e4a38 (diff) |
glamor: Use glamor_program for glamor_glyphblt
This constructs suitable shaders using the glamor_program
infrastructure for poly glyph blt, and then gets rid of the no-op
wrapper of miImageGlyphBlt.
Improves x11perf -f8text by 11.6221% +/- 1.04585% (n=10)
Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'glamor/glamor_glyphblt.c')
-rw-r--r-- | glamor/glamor_glyphblt.c | 261 |
1 files changed, 107 insertions, 154 deletions
diff --git a/glamor/glamor_glyphblt.c b/glamor/glamor_glyphblt.c index a58cef907..c031747f7 100644 --- a/glamor/glamor_glyphblt.c +++ b/glamor/glamor_glyphblt.c @@ -28,203 +28,156 @@ #include "glamor_priv.h" #include <dixfontstr.h> +#include "glamor_transform.h" + +static const glamor_facet glamor_facet_poly_glyph_blt = { + .name = "poly_glyph_blt", + .vs_vars = "attribute vec2 primitive;\n", + .vs_exec = (" vec2 pos = vec2(0,0);\n" + GLAMOR_POS(gl_Position, primitive)), +}; static Bool -glamor_poly_glyph_blt_pixels(DrawablePtr drawable, GCPtr gc, - int x, int y, unsigned int nglyph, - CharInfoPtr *ppci) +glamor_poly_glyph_blt_gl(DrawablePtr drawable, GCPtr gc, + int start_x, int y, unsigned int nglyph, + CharInfoPtr *ppci, void *pglyph_base) { ScreenPtr screen = drawable->pScreen; glamor_screen_private *glamor_priv = glamor_get_screen_private(screen); PixmapPtr pixmap = glamor_get_drawable_pixmap(drawable); glamor_pixmap_private *pixmap_priv; - int off_x, off_y; - GLfloat xscale, yscale; - float color[4]; - unsigned long fg_pixel = gc->fgPixel; - char *vbo_offset; - RegionPtr clip; - int num_points, max_points; - float *points = NULL; - - x += drawable->x; - y += drawable->y; - - if (gc->fillStyle != FillSolid) { - glamor_fallback("gc fillstyle not solid\n"); - return FALSE; - } + glamor_program *prog; + RegionPtr clip = gc->pCompositeClip; + int box_x, box_y; pixmap_priv = glamor_get_pixmap_private(pixmap); if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(pixmap_priv)) - return FALSE; + goto bail; glamor_get_context(glamor_priv); - if (!glamor_set_alu(screen, gc->alu)) { - if (gc->alu == GXclear) - fg_pixel = 0; - else { - glamor_fallback("unsupported alu %x\n", gc->alu); - glamor_put_context(glamor_priv); - return FALSE; - } - } - - if (!glamor_set_planemask(pixmap, gc->planemask)) { - glamor_fallback("Failed to set planemask in %s.\n", __FUNCTION__); - glamor_put_context(glamor_priv); - return FALSE; - } - - glamor_get_drawable_deltas(drawable, pixmap, &off_x, &off_y); - - glamor_set_destination_pixmap_priv_nc(pixmap_priv); - pixmap_priv_get_dest_scale(pixmap_priv, &xscale, &yscale); - - glUseProgram(glamor_priv->solid_prog); - glamor_get_rgba_from_pixel(fg_pixel, - &color[0], &color[1], &color[2], &color[3], - format_for_pixmap(pixmap)); - glUniform4fv(glamor_priv->solid_color_uniform_location, 1, color); - - clip = fbGetCompositeClip(gc); + prog = glamor_use_program_fill(pixmap, gc, &glamor_priv->poly_glyph_blt_progs, + &glamor_facet_poly_glyph_blt); + if (!prog) + goto bail_ctx; glEnableVertexAttribArray(GLAMOR_VERTEX_POS); - max_points = 500; - num_points = 0; - while (nglyph--) { - CharInfoPtr charinfo = *ppci++; - int w = GLYPHWIDTHPIXELS(charinfo); - int h = GLYPHHEIGHTPIXELS(charinfo); - uint8_t *glyphbits = FONTGLYPHBITS(NULL, charinfo); - - if (w && h) { - int glyph_x = x + charinfo->metrics.leftSideBearing; - int glyph_y = y - charinfo->metrics.ascent; - int glyph_stride = GLYPHWIDTHBYTESPADDED(charinfo); - int xx, yy; - - for (yy = 0; yy < h; yy++) { - uint8_t *glyph_row = glyphbits + glyph_stride * yy; - for (xx = 0; xx < w; xx++) { - int pt_x_i = glyph_x + xx; - int pt_y_i = glyph_y + yy; - float pt_x_f, pt_y_f; - if (!(glyph_row[xx / 8] & (1 << xx % 8))) - continue; - - if (!RegionContainsPoint(clip, pt_x_i, pt_y_i, NULL)) - continue; - - if (!num_points) { - points = glamor_get_vbo_space(screen, - max_points * 2 * sizeof(float), - &vbo_offset); - - glVertexAttribPointer(GLAMOR_VERTEX_POS, 2, GL_FLOAT, - GL_FALSE, 2 * sizeof(float), - vbo_offset); - } - - pt_x_f = v_from_x_coord_x(xscale, pt_x_i + off_x + 0.5); - if (glamor_priv->yInverted) - pt_y_f = v_from_x_coord_y_inverted(yscale, pt_y_i + off_y + 0.5); - else - pt_y_f = v_from_x_coord_y(yscale, pt_y_i + off_y + 0.5); - - points[num_points * 2 + 0] = pt_x_f; - points[num_points * 2 + 1] = pt_y_f; - num_points++; + start_x += drawable->x; + y += drawable->y; - if (num_points == max_points) { - glamor_put_vbo_space(screen); - glDrawArrays(GL_POINTS, 0, num_points); - num_points = 0; + glamor_pixmap_loop(pixmap_priv, box_x, box_y) { + int x; + int n; + int num_points, max_points; + INT16 *points = NULL; + int off_x, off_y; + char *vbo_offset; + + glamor_set_destination_drawable(drawable, box_x, box_y, FALSE, TRUE, prog->matrix_uniform, &off_x, &off_y); + + max_points = 500; + num_points = 0; + x = start_x; + for (n = 0; n < nglyph; n++) { + CharInfoPtr charinfo = ppci[n]; + int w = GLYPHWIDTHPIXELS(charinfo); + int h = GLYPHHEIGHTPIXELS(charinfo); + uint8_t *glyphbits = FONTGLYPHBITS(NULL, charinfo); + + if (w && h) { + int glyph_x = x + charinfo->metrics.leftSideBearing; + int glyph_y = y - charinfo->metrics.ascent; + int glyph_stride = GLYPHWIDTHBYTESPADDED(charinfo); + int xx, yy; + + for (yy = 0; yy < h; yy++) { + uint8_t *glyph = glyphbits; + for (xx = 0; xx < w; glyph += ((xx&7) == 7), xx++) { + int pt_x_i = glyph_x + xx; + int pt_y_i = glyph_y + yy; + + if (!(*glyph & (1 << (xx & 7)))) + continue; + + if (!RegionContainsPoint(clip, pt_x_i, pt_y_i, NULL)) + continue; + + if (!num_points) { + points = glamor_get_vbo_space(screen, + max_points * (2 * sizeof (INT16)), + &vbo_offset); + + glVertexAttribPointer(GLAMOR_VERTEX_POS, 2, GL_SHORT, + GL_FALSE, 0, vbo_offset); + } + + *points++ = pt_x_i; + *points++ = pt_y_i; + num_points++; + + if (num_points == max_points) { + glamor_put_vbo_space(screen); + glDrawArrays(GL_POINTS, 0, num_points); + num_points = 0; + } } + glyphbits += glyph_stride; } } + x += charinfo->metrics.characterWidth; } - x += charinfo->metrics.characterWidth; - } - - if (num_points) { - glamor_put_vbo_space(screen); - glDrawArrays(GL_POINTS, 0, num_points); + if (num_points) { + glamor_put_vbo_space(screen); + glDrawArrays(GL_POINTS, 0, num_points); + } } + glDisable(GL_COLOR_LOGIC_OP); glDisableVertexAttribArray(GLAMOR_VERTEX_POS); glamor_put_context(glamor_priv); - - return TRUE; -} - -static Bool -_glamor_image_glyph_blt(DrawablePtr pDrawable, GCPtr pGC, - int x, int y, unsigned int nglyph, - CharInfoPtr *ppci, void *pglyphBase, Bool fallback) -{ - if (!fallback && glamor_ddx_fallback_check_pixmap(pDrawable) - && glamor_ddx_fallback_check_gc(pGC)) - return FALSE; - - miImageGlyphBlt(pDrawable, pGC, x, y, nglyph, ppci, pglyphBase); return TRUE; +bail_ctx: + glDisable(GL_COLOR_LOGIC_OP); + glamor_put_context(glamor_priv); +bail: + return FALSE; } void -glamor_image_glyph_blt(DrawablePtr pDrawable, GCPtr pGC, - int x, int y, unsigned int nglyph, - CharInfoPtr *ppci, void *pglyphBase) +glamor_poly_glyph_blt(DrawablePtr drawable, GCPtr gc, + int start_x, int y, unsigned int nglyph, + CharInfoPtr *ppci, void *pglyph_base) { - _glamor_image_glyph_blt(pDrawable, pGC, x, y, nglyph, ppci, pglyphBase, - TRUE); + if (glamor_poly_glyph_blt_gl(drawable, gc, start_x, y, nglyph, ppci, pglyph_base)) + return; + miPolyGlyphBlt(drawable, gc, start_x, y, nglyph, + ppci, pglyph_base); } Bool -glamor_image_glyph_blt_nf(DrawablePtr pDrawable, GCPtr pGC, - int x, int y, unsigned int nglyph, - CharInfoPtr *ppci, void *pglyphBase) -{ - return _glamor_image_glyph_blt(pDrawable, pGC, x, y, nglyph, ppci, - pglyphBase, FALSE); -} - -static Bool -_glamor_poly_glyph_blt(DrawablePtr pDrawable, GCPtr pGC, - int x, int y, unsigned int nglyph, - CharInfoPtr *ppci, void *pglyphBase, Bool fallback) +glamor_poly_glyph_blt_nf(DrawablePtr drawable, GCPtr gc, + int start_x, int y, unsigned int nglyph, + CharInfoPtr *ppci, void *pglyph_base) { - if (glamor_poly_glyph_blt_pixels(pDrawable, pGC, x, y, nglyph, ppci)) + if (glamor_poly_glyph_blt_gl(drawable, gc, start_x, y, nglyph, ppci, pglyph_base)) return TRUE; - - if (!fallback && glamor_ddx_fallback_check_pixmap(pDrawable) - && glamor_ddx_fallback_check_gc(pGC)) + if (glamor_ddx_fallback_check_pixmap(drawable) && glamor_ddx_fallback_check_gc(gc)) return FALSE; - - miPolyGlyphBlt(pDrawable, pGC, x, y, nglyph, ppci, pglyphBase); + miPolyGlyphBlt(drawable, gc, start_x, y, nglyph, + ppci, pglyph_base); return TRUE; } -void -glamor_poly_glyph_blt(DrawablePtr pDrawable, GCPtr pGC, - int x, int y, unsigned int nglyph, - CharInfoPtr *ppci, void *pglyphBase) -{ - _glamor_poly_glyph_blt(pDrawable, pGC, x, y, nglyph, ppci, pglyphBase, - TRUE); -} - Bool -glamor_poly_glyph_blt_nf(DrawablePtr pDrawable, GCPtr pGC, - int x, int y, unsigned int nglyph, - CharInfoPtr *ppci, void *pglyphBase) +glamor_image_glyph_blt_nf(DrawablePtr drawable, GCPtr gc, + int start_x, int y, unsigned int nglyph, + CharInfoPtr *ppci, void *pglyph_base) { - return _glamor_poly_glyph_blt(pDrawable, pGC, x, y, nglyph, ppci, - pglyphBase, FALSE); + miImageGlyphBlt(drawable, gc, start_x, y, nglyph, ppci, pglyph_base); + return TRUE; } static Bool |