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Merge branch 'use_gl_blit' into 'master'

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Draft: glamor: use glBlit where possible

See merge request xorg/xserver!1615
This commit is contained in:
Pierre-Eric Pelloux-Prayer 2025-12-11 13:46:12 +00:00
commit d2cded72a9
1 changed files with 24 additions and 0 deletions
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24
glamor/glamor_copy.c
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@ -384,6 +384,30 @@ glamor_copy_fbo_fbo_draw(DrawablePtr src,
if (bitplane && !glamor_priv->can_copyplane)
goto bail_ctx;
/* Try blit directly. */
if (!bitplane && (!gc || gc->alu == GXcopy) && nbox == 1 && src_pixmap != dst_pixmap &&
glamor_pixmap_hcnt(src_priv) == 1 && glamor_pixmap_hcnt(dst_priv) == 1) {
int dst_samples, src_samples;
/* Assume DSA is available for simplicity. */
glGetNamedFramebufferParameteriv(src_priv->fbo->fb, GL_SAMPLES, &src_samples);
glGetNamedFramebufferParameteriv(dst_priv->fbo->fb, GL_SAMPLES, &dst_samples);
if (src_samples == dst_samples) {
glamor_get_drawable_deltas(src, src_pixmap, &src_off_x, &src_off_y);
glamor_get_drawable_deltas(dst, dst_pixmap, &dst_off_x, &dst_off_y);
glBlitNamedFramebuffer(
src_priv->fbo->fb, dst_priv->fbo->fb,
box[0].x1 + dx + src_off_x, box[0].y1 + dy + src_off_y,
box[0].x2 + dx + src_off_x, box[0].y2 + dy + src_off_y,
box[0].x1 + dst_off_x, box[0].y1 + dst_off_y,
box[0].x2 + dst_off_x, box[0].y2 + dst_off_y,
GL_COLOR_BUFFER_BIT, GL_NEAREST);
return TRUE;
}
}
if (bitplane) {
prog = &glamor_priv->copy_plane_prog;
copy_facet = &glamor_facet_copyplane;