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authorAbdiel Janulgue <[email protected]>2012-11-28 12:34:21 +0200
committerChad Versace <[email protected]>2013-02-01 11:58:12 -0800
commit45a28a927ab7f29ff325b9326d386a39ba538c18 (patch)
treed19f4184a2312eccc1b548c2d1c99079164cbe6d /src/mesa
parent163b35e416349c0f079aa6a92eb0bade2cabf5bc (diff)
i965: Account for offsets when updating SURFACE_STATE.
If the offsets are present, this lets us specify a particular level and slice in a shared region using the base level of an exported mip-map tree. Reviewed-by: Eric Anholt <[email protected]> Reviewed-by: Chad Versace <[email protected]> Signed-off-by: Abdiel Janulgue <[email protected]>
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/drivers/dri/i965/brw_wm_surface_state.c12
-rw-r--r--src/mesa/drivers/dri/i965/gen7_wm_surface_state.c11
2 files changed, 21 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
index 7f7b7ebe2b0..e732b6d9b8e 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
@@ -837,6 +837,7 @@ brw_update_texture_surface(struct gl_context *ctx,
struct gl_sampler_object *sampler = _mesa_get_samplerobj(ctx, unit);
uint32_t *surf;
int width, height, depth;
+ uint32_t tile_x, tile_y;
if (tObj->Target == GL_TEXTURE_BUFFER) {
brw_update_buffer_texture_surface(ctx, unit, binding_table, surf_index);
@@ -870,7 +871,16 @@ brw_update_texture_surface(struct gl_context *ctx,
surf[4] = 0;
- surf[5] = (mt->align_h == 4) ? BRW_SURFACE_VERTICAL_ALIGN_ENABLE : 0;
+ intel_miptree_get_tile_offsets(intelObj->mt, 0, 0, &tile_x, &tile_y);
+ assert(brw->has_surface_tile_offset || (tile_x == 0 && tile_y == 0));
+ /* Note that the low bits of these fields are missing, so
+ * there's the possibility of getting in trouble.
+ */
+ assert(tile_x % 4 == 0);
+ assert(tile_y % 2 == 0);
+ surf[5] = ((tile_x / 4) << BRW_SURFACE_X_OFFSET_SHIFT |
+ (tile_y / 2) << BRW_SURFACE_Y_OFFSET_SHIFT |
+ (mt->align_h == 4 ? BRW_SURFACE_VERTICAL_ALIGN_ENABLE : 0));
/* Emit relocation to surface contents */
drm_intel_bo_emit_reloc(brw->intel.batch.bo,
diff --git a/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c b/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c
index 236d50c8bc3..9c8bc17d5cb 100644
--- a/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c
+++ b/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c
@@ -292,6 +292,7 @@ gen7_update_texture_surface(struct gl_context *ctx,
struct gl_texture_image *firstImage = tObj->Image[0][tObj->BaseLevel];
struct gl_sampler_object *sampler = _mesa_get_samplerobj(ctx, unit);
int width, height, depth;
+ uint32_t tile_x, tile_y;
if (tObj->Target == GL_TEXTURE_BUFFER) {
gen7_update_buffer_texture_surface(ctx, unit, binding_table, surf_index);
@@ -333,7 +334,15 @@ gen7_update_texture_surface(struct gl_context *ctx,
surf[3] = SET_FIELD(depth - 1, BRW_SURFACE_DEPTH) |
((intelObj->mt->region->pitch) - 1);
- surf[5] = intelObj->_MaxLevel - tObj->BaseLevel; /* mip count */
+ intel_miptree_get_tile_offsets(intelObj->mt, 0, 0, &tile_x, &tile_y);
+ assert(brw->has_surface_tile_offset || (tile_x == 0 && tile_y == 0));
+ /* Note that the low bits of these fields are missing, so
+ * there's the possibility of getting in trouble.
+ */
+ surf[5] = ((tile_x / 4) << BRW_SURFACE_X_OFFSET_SHIFT |
+ (tile_y / 2) << BRW_SURFACE_Y_OFFSET_SHIFT |
+ /* mip count */
+ (intelObj->_MaxLevel - tObj->BaseLevel));
if (intel->is_haswell) {
/* Handling GL_ALPHA as a surface format override breaks 1.30+ style