diff options
Diffstat (limited to 'src/gallium/drivers')
| -rw-r--r-- | src/gallium/drivers/radeon/r600_texture.c | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/src/gallium/drivers/radeon/r600_texture.c b/src/gallium/drivers/radeon/r600_texture.c index c3c5e239125..dbabbd016c4 100644 --- a/src/gallium/drivers/radeon/r600_texture.c +++ b/src/gallium/drivers/radeon/r600_texture.c @@ -1302,6 +1302,25 @@ static bool r600_can_invalidate_texture(struct r600_common_screen *rscreen, box->depth); } +static void r600_texture_invalidate_storage(struct r600_common_screen *rscreen, + struct r600_texture *rtex) +{ + /* There is no point in discarding depth and tiled buffers. */ + assert(!rtex->is_depth); + assert(rtex->surface.level[0].mode == RADEON_SURF_MODE_LINEAR_ALIGNED); + + /* Reallocate the buffer in the same pipe_resource. */ + r600_init_resource(rscreen, &rtex->resource, rtex->size, + rtex->surface.bo_alignment); + + /* Initialize the CMASK base address (needed even without CMASK). */ + rtex->cmask.base_address_reg = + (rtex->resource.gpu_address + rtex->cmask.offset) >> 8; + + r600_dirty_all_framebuffer_states(rscreen); + p_atomic_inc(&rscreen->dirty_tex_descriptor_counter); +} + static void *r600_texture_transfer_map(struct pipe_context *ctx, struct pipe_resource *texture, unsigned level, @@ -1355,8 +1374,15 @@ static void *r600_texture_transfer_map(struct pipe_context *ctx, else if (r600_rings_is_buffer_referenced(rctx, rtex->resource.buf, RADEON_USAGE_READWRITE) || !rctx->ws->buffer_wait(rtex->resource.buf, 0, - RADEON_USAGE_READWRITE)) - use_staging_texture = true; + RADEON_USAGE_READWRITE)) { + /* It's busy. */ + if (r600_can_invalidate_texture(rctx->screen, rtex, + usage, box)) + r600_texture_invalidate_storage(rctx->screen, + rtex); + else + use_staging_texture = true; + } } trans = CALLOC_STRUCT(r600_transfer); |