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glamor: Track the next vertex offset as we go for non-AA traps.

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v2: Use sizeof(float) instead of 4.

Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Markus Wick <markus at selfnet.de>
This commit is contained in:
Eric Anholt 2014-03-06 17:03:14 -08:00
parent 03a33048a7
commit ca307fd18d
1 changed files with 18 additions and 7 deletions
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25
glamor/glamor_trapezoid.c
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@ -191,14 +191,16 @@ point_inside_trapezoid(int point[2], xTrapezoid *trap, xFixed cut_y)
static void
glamor_emit_composite_vert(ScreenPtr screen,
float *vb,
const float *src_coords,
const float *mask_coords,
const float *dst_coords, int i)
{
glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
float *vb = (float *) (glamor_priv->vb + glamor_priv->vbo_offset);
int j = 0;
vb += i * glamor_priv->vb_stride / sizeof(float);
vb[j++] = dst_coords[i * 2 + 0];
vb[j++] = dst_coords[i * 2 + 1];
if (glamor_priv->has_source_coords) {
@ -216,13 +218,17 @@ glamor_emit_composite_vert(ScreenPtr screen,
static void
glamor_emit_composite_triangle(ScreenPtr screen,
float *vb,
const float *src_coords,
const float *mask_coords,
const float *dst_coords)
{
glamor_emit_composite_vert(screen, src_coords, mask_coords, dst_coords, 0);
glamor_emit_composite_vert(screen, src_coords, mask_coords, dst_coords, 1);
glamor_emit_composite_vert(screen, src_coords, mask_coords, dst_coords, 2);
glamor_emit_composite_vert(screen, vb,
src_coords, mask_coords, dst_coords, 0);
glamor_emit_composite_vert(screen, vb,
src_coords, mask_coords, dst_coords, 1);
glamor_emit_composite_vert(screen, vb,
src_coords, mask_coords, dst_coords, 2);
}
static void
@ -887,6 +893,8 @@ _glamor_trapezoids_with_shader(CARD8 op,
nclip_rect = nbox;
while (nclip_rect) {
float *vb;
mclip_rect = (nclip_rect * ntrap * 4) > ntriangle_per_loop ?
(ntriangle_per_loop / (4 * ntrap)) : nclip_rect;
@ -904,8 +912,9 @@ _glamor_trapezoids_with_shader(CARD8 op,
NTRAPS_LOOP_AGAIN:
glamor_setup_composite_vbo(screen,
mclip_rect * traps_count * 4 * vert_stride);
vb = glamor_setup_composite_vbo(screen,
(mclip_rect * traps_count *
4 * vert_stride));
clip_processed = mclip_rect;
while (mclip_rect--) {
@ -963,8 +972,10 @@ _glamor_trapezoids_with_shader(CARD8 op,
source_texcoords[4], source_texcoords[5]);
}
glamor_emit_composite_triangle(screen, source_texcoords,
glamor_emit_composite_triangle(screen, vb,
source_texcoords,
NULL, vertices);
vb += 3 * glamor_priv->vb_stride / sizeof(float);
}
}