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glamor: Use GL_MESA_tile_raster_order for overlapping blits. 

Improves Raspberry Pi 3 x11perf -copywinwin500 from ~480/sec to
~700/sec.

Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Keith Packard <keithp@keithp.com>
This commit is contained in:
Eric Anholt 2017-07-26 16:54:40 -07:00
parent 885636b7d4
commit c66d65a645
3 changed files with 51 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
glamor/glamor.c
View File

@ -601,6 +601,8 @@ glamor_init(ScreenPtr screen, unsigned int flags)
epoxy_has_gl_extension("GL_EXT_map_buffer_range");
glamor_priv->has_buffer_storage =
epoxy_has_gl_extension("GL_ARB_buffer_storage");
glamor_priv->has_mesa_tile_raster_order =
epoxy_has_gl_extension("GL_MESA_tile_raster_order");
glamor_priv->has_nv_texture_barrier =
epoxy_has_gl_extension("GL_NV_texture_barrier");
glamor_priv->has_unpack_subimage =

24
glamor/glamor_copy.c
View File

@ -317,6 +317,13 @@ bail:
return FALSE;
}
/* Include the enums here for the moment, to keep from needing to bump epoxy. */
#ifndef GL_TILE_RASTER_ORDER_FIXED_MESA
#define GL_TILE_RASTER_ORDER_FIXED_MESA 0x8BB8
#define GL_TILE_RASTER_ORDER_INCREASING_X_MESA 0x8BB9
#define GL_TILE_RASTER_ORDER_INCREASING_Y_MESA 0x8BBA
#endif
/*
* Copy from GPU to GPU by using the source
* as a texture and painting that into the destination
@ -388,6 +395,18 @@ glamor_copy_fbo_fbo_draw(DrawablePtr src,
v = glamor_get_vbo_space(dst->pScreen, nbox * 8 * sizeof (int16_t), &vbo_offset);
if (src_pixmap == dst_pixmap && glamor_priv->has_mesa_tile_raster_order) {
glEnable(GL_TILE_RASTER_ORDER_FIXED_MESA);
if (dx >= 0)
glEnable(GL_TILE_RASTER_ORDER_INCREASING_X_MESA);
else
glDisable(GL_TILE_RASTER_ORDER_INCREASING_X_MESA);
if (dy >= 0)
glEnable(GL_TILE_RASTER_ORDER_INCREASING_Y_MESA);
else
glDisable(GL_TILE_RASTER_ORDER_INCREASING_Y_MESA);
}
glEnableVertexAttribArray(GLAMOR_VERTEX_POS);
glVertexAttribPointer(GLAMOR_VERTEX_POS, 2, GL_SHORT, GL_FALSE,
2 * sizeof (GLshort), vbo_offset);
@ -451,6 +470,9 @@ glamor_copy_fbo_fbo_draw(DrawablePtr src,
ret = TRUE;
bail_ctx:
if (src_pixmap == dst_pixmap && glamor_priv->has_mesa_tile_raster_order) {
glDisable(GL_TILE_RASTER_ORDER_FIXED_MESA);
}
glDisable(GL_SCISSOR_TEST);
glDisableVertexAttribArray(GLAMOR_VERTEX_POS);
@ -611,6 +633,7 @@ glamor_copy_needs_temp(DrawablePtr src,
if (!glamor_priv->has_nv_texture_barrier)
return TRUE;
if (!glamor_priv->has_mesa_tile_raster_order) {
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);
@ -640,6 +663,7 @@ glamor_copy_needs_temp(DrawablePtr src,
bounds.y1 + dy + src_off_y < bounds.y2 + dst_off_y) {
return TRUE;
}
}
glTextureBarrierNV();

1
glamor/glamor_priv.h
View File

@ -192,6 +192,7 @@ typedef struct glamor_screen_private {
Bool has_map_buffer_range;
Bool has_buffer_storage;
Bool has_khr_debug;
Bool has_mesa_tile_raster_order;
Bool has_nv_texture_barrier;
Bool has_pack_subimage;
Bool has_unpack_subimage;