static Bool glamor_fill_spans_gl(DrawablePtr drawable, GCPtr gc, int n, DDXPointPtr points, int *widths, int sorted) { 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; glamor_program *prog; int off_x, off_y; GLshort *v; char *vbo_offset; int c; int box_x, box_y; pixmap_priv = glamor_get_pixmap_private(pixmap); if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(pixmap_priv)) goto bail; glamor_make_current(glamor_priv); if (glamor_priv->glsl_version >= 130) { prog = glamor_use_program_fill(pixmap, gc, &glamor_priv->fill_spans_program, &glamor_facet_fillspans_130); if (!prog) goto bail; /* Set up the vertex buffers for the points */ v = glamor_get_vbo_space(drawable->pScreen, n * (4 * sizeof (GLshort)), &vbo_offset); glEnableVertexAttribArray(GLAMOR_VERTEX_POS); glVertexAttribDivisor(GLAMOR_VERTEX_POS, 1); glVertexAttribPointer(GLAMOR_VERTEX_POS, 3, GL_SHORT, GL_FALSE, 4 * sizeof (GLshort), vbo_offset); for (c = 0; c < n; c++) { v[0] = points->x; v[1] = points->y; v[2] = *widths++; points++; v += 4; } glamor_put_vbo_space(screen); } else { prog = glamor_use_program_fill(pixmap, gc, &glamor_priv->fill_spans_program, &glamor_facet_fillspans_120); if (!prog) goto bail; /* Set up the vertex buffers for the points */ v = glamor_get_vbo_space(drawable->pScreen, n * 8 * sizeof (short), &vbo_offset); glEnableVertexAttribArray(GLAMOR_VERTEX_POS); glVertexAttribPointer(GLAMOR_VERTEX_POS, 2, GL_SHORT, GL_FALSE, 2 * sizeof (short), vbo_offset); for (c = 0; c < n; c++) { v[0] = points->x; v[1] = points->y; v[2] = points->x; v[3] = points->y + 1; v[4] = points->x + *widths; v[5] = points->y + 1; v[6] = points->x + *widths; v[7] = points->y; widths++; points++; v += 8; } glamor_put_vbo_space(screen); } glEnable(GL_SCISSOR_TEST); glamor_pixmap_loop(pixmap_priv, box_x, box_y) { int nbox = RegionNumRects(gc->pCompositeClip); BoxPtr box = RegionRects(gc->pCompositeClip); glamor_set_destination_drawable(drawable, box_x, box_y, FALSE, FALSE, prog->matrix_uniform, &off_x, &off_y); while (nbox--) { glScissor(box->x1 + off_x, box->y1 + off_y, box->x2 - box->x1, box->y2 - box->y1); box++; if (glamor_priv->glsl_version >= 130) glDrawArraysInstanced(GL_TRIANGLE_STRIP, 0, 4, n); else { glamor_glDrawArrays_GL_QUADS(glamor_priv, nbox); } } }
static glamor_program * glamor_dash_setup(DrawablePtr drawable, GCPtr gc) { 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 = glamor_get_pixmap_private(pixmap); PixmapPtr dash_pixmap; glamor_pixmap_private *dash_priv; glamor_program *prog; if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(pixmap_priv)) goto bail; if (gc->lineWidth != 0) goto bail; dash_pixmap = glamor_get_dash_pixmap(gc); dash_priv = glamor_get_pixmap_private(pixmap); if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(dash_priv)) goto bail; glamor_make_current(glamor_priv); switch (gc->lineStyle) { case LineOnOffDash: prog = glamor_use_program_fill(pixmap, gc, &glamor_priv->on_off_dash_line_progs, &glamor_facet_on_off_dash_lines); if (!prog) goto bail; break; case LineDoubleDash: if (gc->fillStyle != FillSolid) goto bail; prog = &glamor_priv->double_dash_line_prog; if (!prog->prog) { if (!glamor_build_program(screen, prog, &glamor_facet_double_dash_lines, NULL, NULL, NULL)) goto bail; } if (!glamor_use_program(pixmap, gc, prog, NULL)) goto bail; glamor_set_color(pixmap, gc->fgPixel, prog->fg_uniform); glamor_set_color(pixmap, gc->bgPixel, prog->bg_uniform); break; default: goto bail; } /* Set the dash pattern as texture 1 */ glamor_bind_texture(glamor_priv, GL_TEXTURE1, dash_priv->fbo, FALSE); glUniform1i(prog->dash_uniform, 1); glUniform1f(prog->dash_length_uniform, dash_pixmap->drawable.width); return prog; bail: return NULL; }
static Bool glamor_poly_fill_rect_gl(DrawablePtr drawable, GCPtr gc, int nrect, xRectangle *prect) { 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; glamor_program *prog; int off_x, off_y; GLshort *v; char *vbo_offset; int box_x, box_y; pixmap_priv = glamor_get_pixmap_private(pixmap); if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(pixmap_priv)) goto bail; glamor_get_context(glamor_priv); if (glamor_priv->glsl_version >= 130) { prog = glamor_use_program_fill(pixmap, gc, &glamor_priv->poly_fill_rect_program, &glamor_facet_polyfillrect_130); if (!prog) goto bail_ctx; /* Set up the vertex buffers for the points */ v = glamor_get_vbo_space(drawable->pScreen, nrect * sizeof (xRectangle), &vbo_offset); glEnableVertexAttribArray(GLAMOR_VERTEX_POS); glVertexAttribDivisor(GLAMOR_VERTEX_POS, 1); glVertexAttribPointer(GLAMOR_VERTEX_POS, 4, GL_SHORT, GL_FALSE, 4 * sizeof (short), vbo_offset); memcpy(v, prect, nrect * sizeof (xRectangle)); glamor_put_vbo_space(screen); } else { int n; prog = glamor_use_program_fill(pixmap, gc, &glamor_priv->poly_fill_rect_program, &glamor_facet_polyfillrect_120); if (!prog) goto bail_ctx; /* Set up the vertex buffers for the points */ v = glamor_get_vbo_space(drawable->pScreen, nrect * 8 * sizeof (short), &vbo_offset); glEnableVertexAttribArray(GLAMOR_VERTEX_POS); glVertexAttribPointer(GLAMOR_VERTEX_POS, 2, GL_SHORT, GL_FALSE, 2 * sizeof (short), vbo_offset); for (n = 0; n < nrect; n++) { v[0] = prect->x; v[1] = prect->y; v[2] = prect->x; v[3] = prect->y + prect->height; v[4] = prect->x + prect->width; v[5] = prect->y + prect->height; v[6] = prect->x + prect->width; v[7] = prect->y; prect++; v += 8; } glamor_put_vbo_space(screen); } glEnable(GL_SCISSOR_TEST); glamor_pixmap_loop(pixmap_priv, box_x, box_y) { int nbox = RegionNumRects(gc->pCompositeClip); BoxPtr box = RegionRects(gc->pCompositeClip); glamor_set_destination_drawable(drawable, box_x, box_y, TRUE, FALSE, prog->matrix_uniform, &off_x, &off_y); while (nbox--) { glScissor(box->x1 + off_x, box->y1 + off_y, box->x2 - box->x1, box->y2 - box->y1); box++; if (glamor_priv->glsl_version >= 130) glDrawArraysInstanced(GL_TRIANGLE_STRIP, 0, 4, nrect); else { if (glamor_priv->gl_flavor == GLAMOR_GL_DESKTOP) { glDrawArrays(GL_QUADS, 0, nrect * 4); } else { int i; for (i = 0; i < nrect; i++) { glDrawArrays(GL_TRIANGLE_FAN, i * 4, 4); } } } } }
static Bool 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; glamor_program *prog; RegionPtr clip = gc->pCompositeClip; int box_index; pixmap_priv = glamor_get_pixmap_private(pixmap); if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(pixmap_priv)) goto bail; glamor_make_current(glamor_priv); prog = glamor_use_program_fill(pixmap, gc, &glamor_priv->poly_glyph_blt_progs, &glamor_facet_poly_glyph_blt); if (!prog) goto bail; glEnableVertexAttribArray(GLAMOR_VERTEX_POS); start_x += drawable->x; y += drawable->y; glamor_pixmap_loop(pixmap_priv, box_index) { 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_index, 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; } if (num_points) { glamor_put_vbo_space(screen); glDrawArrays(GL_POINTS, 0, num_points); } }