-static void
-tu_tiling_config_update_tile_layout(struct tu_tiling_config *tiling,
- const struct tu_device *dev,
- const struct tu_render_pass *pass)
-{
- const uint32_t tile_align_w = pass->tile_align_w;
- const uint32_t max_tile_width = 1024;
-
- /* note: don't offset the tiling config by render_area.offset,
- * because binning pass can't deal with it
- * this means we might end up with more tiles than necessary,
- * but load/store/etc are still scissored to the render_area
- */
- tiling->tile0.offset = (VkOffset2D) {};
-
- const uint32_t ra_width =
- tiling->render_area.extent.width +
- (tiling->render_area.offset.x - tiling->tile0.offset.x);
- const uint32_t ra_height =
- tiling->render_area.extent.height +
- (tiling->render_area.offset.y - tiling->tile0.offset.y);
-
- /* start from 1 tile */
- tiling->tile_count = (VkExtent2D) {
- .width = 1,
- .height = 1,
- };
- tiling->tile0.extent = (VkExtent2D) {
- .width = util_align_npot(ra_width, tile_align_w),
- .height = align(ra_height, TILE_ALIGN_H),
- };
-
- if (unlikely(dev->physical_device->instance->debug_flags & TU_DEBUG_FORCEBIN)) {
- /* start with 2x2 tiles */
- tiling->tile_count.width = 2;
- tiling->tile_count.height = 2;
- tiling->tile0.extent.width = util_align_npot(DIV_ROUND_UP(ra_width, 2), tile_align_w);
- tiling->tile0.extent.height = align(DIV_ROUND_UP(ra_height, 2), TILE_ALIGN_H);
- }
-
- /* do not exceed max tile width */
- while (tiling->tile0.extent.width > max_tile_width) {
- tiling->tile_count.width++;
- tiling->tile0.extent.width =
- util_align_npot(DIV_ROUND_UP(ra_width, tiling->tile_count.width), tile_align_w);
- }
-
- /* will force to sysmem, don't bother trying to have a valid tile config
- * TODO: just skip all GMEM stuff when sysmem is forced?
- */
- if (!pass->gmem_pixels)
- return;
-
- /* do not exceed gmem size */
- while (tiling->tile0.extent.width * tiling->tile0.extent.height > pass->gmem_pixels) {
- if (tiling->tile0.extent.width > MAX2(tile_align_w, tiling->tile0.extent.height)) {
- tiling->tile_count.width++;
- tiling->tile0.extent.width =
- util_align_npot(DIV_ROUND_UP(ra_width, tiling->tile_count.width), tile_align_w);
- } else {
- /* if this assert fails then layout is impossible.. */
- assert(tiling->tile0.extent.height > TILE_ALIGN_H);
- tiling->tile_count.height++;
- tiling->tile0.extent.height =
- align(DIV_ROUND_UP(ra_height, tiling->tile_count.height), TILE_ALIGN_H);
- }
- }
-}
-
-static void
-tu_tiling_config_update_pipe_layout(struct tu_tiling_config *tiling,
- const struct tu_device *dev)
-{
- const uint32_t max_pipe_count = 32; /* A6xx */
-
- /* start from 1 tile per pipe */
- tiling->pipe0 = (VkExtent2D) {
- .width = 1,
- .height = 1,
- };
- tiling->pipe_count = tiling->tile_count;
-
- while (tiling->pipe_count.width * tiling->pipe_count.height > max_pipe_count) {
- if (tiling->pipe0.width < tiling->pipe0.height) {
- tiling->pipe0.width += 1;
- tiling->pipe_count.width =
- DIV_ROUND_UP(tiling->tile_count.width, tiling->pipe0.width);
- } else {
- tiling->pipe0.height += 1;
- tiling->pipe_count.height =
- DIV_ROUND_UP(tiling->tile_count.height, tiling->pipe0.height);
- }
- }
-}
-
-static void
-tu_tiling_config_update_pipes(struct tu_tiling_config *tiling,
- const struct tu_device *dev)
-{
- const uint32_t max_pipe_count = 32; /* A6xx */
- const uint32_t used_pipe_count =
- tiling->pipe_count.width * tiling->pipe_count.height;
- const VkExtent2D last_pipe = {
- .width = (tiling->tile_count.width - 1) % tiling->pipe0.width + 1,
- .height = (tiling->tile_count.height - 1) % tiling->pipe0.height + 1,
- };
-
- assert(used_pipe_count <= max_pipe_count);
- assert(max_pipe_count <= ARRAY_SIZE(tiling->pipe_config));
-
- for (uint32_t y = 0; y < tiling->pipe_count.height; y++) {
- for (uint32_t x = 0; x < tiling->pipe_count.width; x++) {
- const uint32_t pipe_x = tiling->pipe0.width * x;
- const uint32_t pipe_y = tiling->pipe0.height * y;
- const uint32_t pipe_w = (x == tiling->pipe_count.width - 1)
- ? last_pipe.width
- : tiling->pipe0.width;
- const uint32_t pipe_h = (y == tiling->pipe_count.height - 1)
- ? last_pipe.height
- : tiling->pipe0.height;
- const uint32_t n = tiling->pipe_count.width * y + x;
-
- tiling->pipe_config[n] = A6XX_VSC_PIPE_CONFIG_REG_X(pipe_x) |
- A6XX_VSC_PIPE_CONFIG_REG_Y(pipe_y) |
- A6XX_VSC_PIPE_CONFIG_REG_W(pipe_w) |
- A6XX_VSC_PIPE_CONFIG_REG_H(pipe_h);
- tiling->pipe_sizes[n] = CP_SET_BIN_DATA5_0_VSC_SIZE(pipe_w * pipe_h);
- }
- }
-
- memset(tiling->pipe_config + used_pipe_count, 0,
- sizeof(uint32_t) * (max_pipe_count - used_pipe_count));
-}
-
-static void
-tu_tiling_config_get_tile(const struct tu_tiling_config *tiling,
- const struct tu_device *dev,
- uint32_t tx,
- uint32_t ty,
- struct tu_tile *tile)
-{
- /* find the pipe and the slot for tile (tx, ty) */
- const uint32_t px = tx / tiling->pipe0.width;
- const uint32_t py = ty / tiling->pipe0.height;
- const uint32_t sx = tx - tiling->pipe0.width * px;
- const uint32_t sy = ty - tiling->pipe0.height * py;
- /* last pipe has different width */
- const uint32_t pipe_width =
- MIN2(tiling->pipe0.width,
- tiling->tile_count.width - px * tiling->pipe0.width);
-
- assert(tx < tiling->tile_count.width && ty < tiling->tile_count.height);
- assert(px < tiling->pipe_count.width && py < tiling->pipe_count.height);
- assert(sx < tiling->pipe0.width && sy < tiling->pipe0.height);
-
- /* convert to 1D indices */
- tile->pipe = tiling->pipe_count.width * py + px;
- tile->slot = pipe_width * sy + sx;
-
- /* get the blit area for the tile */
- tile->begin = (VkOffset2D) {
- .x = tiling->tile0.offset.x + tiling->tile0.extent.width * tx,
- .y = tiling->tile0.offset.y + tiling->tile0.extent.height * ty,
- };
- tile->end.x =
- (tx == tiling->tile_count.width - 1)
- ? tiling->render_area.offset.x + tiling->render_area.extent.width
- : tile->begin.x + tiling->tile0.extent.width;
- tile->end.y =
- (ty == tiling->tile_count.height - 1)
- ? tiling->render_area.offset.y + tiling->render_area.extent.height
- : tile->begin.y + tiling->tile0.extent.height;
-}
-