#include "vc4_context.h"
#include "vc4_resource.h"
-/**
- * Emits a no-op STORE_TILE_BUFFER_GENERAL.
- *
- * If we emit a PACKET_TILE_COORDINATES, it must be followed by a store of
- * some sort before another load is triggered.
- */
-static void
-vc4_store_before_load(struct vc4_context *vc4, bool *coords_emitted)
-{
- if (!*coords_emitted)
- return;
-
- cl_u8(&vc4->rcl, VC4_PACKET_STORE_TILE_BUFFER_GENERAL);
- cl_u16(&vc4->rcl,
- VC4_SET_FIELD(VC4_LOADSTORE_TILE_BUFFER_NONE,
- VC4_LOADSTORE_TILE_BUFFER_BUFFER) |
- VC4_STORE_TILE_BUFFER_DISABLE_COLOR_CLEAR |
- VC4_STORE_TILE_BUFFER_DISABLE_ZS_CLEAR |
- VC4_STORE_TILE_BUFFER_DISABLE_VG_MASK_CLEAR);
- cl_u32(&vc4->rcl, 0); /* no address, since we're in None mode */
-
- *coords_emitted = false;
-}
-
-/**
- * Emits a PACKET_TILE_COORDINATES if one isn't already pending.
- *
- * The tile coordinates packet triggers a pending load if there is one, are
- * used for clipping during rendering, and determine where loads/stores happen
- * relative to their base address.
- */
-static void
-vc4_tile_coordinates(struct vc4_context *vc4, uint32_t x, uint32_t y,
- bool *coords_emitted)
-{
- if (*coords_emitted)
- return;
-
- cl_u8(&vc4->rcl, VC4_PACKET_TILE_COORDINATES);
- cl_u8(&vc4->rcl, x);
- cl_u8(&vc4->rcl, y);
-
- *coords_emitted = true;
-}
-
-static void
-vc4_setup_rcl(struct vc4_context *vc4)
-{
- struct vc4_surface *csurf = vc4_surface(vc4->framebuffer.cbufs[0]);
- struct vc4_resource *ctex = csurf ? vc4_resource(csurf->base.texture) : NULL;
- struct vc4_surface *zsurf = vc4_surface(vc4->framebuffer.zsbuf);
- struct vc4_resource *ztex = zsurf ? vc4_resource(zsurf->base.texture) : NULL;
-
- if (!csurf)
- vc4->resolve &= ~PIPE_CLEAR_COLOR0;
- if (!zsurf)
- vc4->resolve &= ~(PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL);
- uint32_t resolve_uncleared = vc4->resolve & ~vc4->cleared;
- uint32_t width = vc4->framebuffer.width;
- uint32_t height = vc4->framebuffer.height;
- uint32_t stride_in_tiles = align(width, 64) / 64;
-
- assert(vc4->draw_min_x != ~0 && vc4->draw_min_y != ~0);
- uint32_t min_x_tile = vc4->draw_min_x / 64;
- uint32_t min_y_tile = vc4->draw_min_y / 64;
- uint32_t max_x_tile = (vc4->draw_max_x - 1) / 64;
- uint32_t max_y_tile = (vc4->draw_max_y - 1) / 64;
- uint32_t xtiles = max_x_tile - min_x_tile + 1;
- uint32_t ytiles = max_y_tile - min_y_tile + 1;
-
-#if 0
- fprintf(stderr, "RCL: resolve 0x%x clear 0x%x resolve uncleared 0x%x\n",
- vc4->resolve,
- vc4->cleared,
- resolve_uncleared);
-#endif
-
- cl_ensure_space(&vc4->rcl,
- VC4_PACKET_CLEAR_COLORS_SIZE +
- (VC4_PACKET_TILE_RENDERING_MODE_CONFIG_SIZE +
- VC4_PACKET_GEM_HANDLES_SIZE) +
- (VC4_PACKET_STORE_TILE_BUFFER_GENERAL_SIZE +
- VC4_PACKET_TILE_RENDERING_MODE_CONFIG_SIZE) +
- VC4_PACKET_WAIT_ON_SEMAPHORE_SIZE +
- xtiles * ytiles * ((VC4_PACKET_STORE_TILE_BUFFER_GENERAL_SIZE +
- VC4_PACKET_GEM_HANDLES_SIZE) * 4 +
- VC4_PACKET_TILE_COORDINATES_SIZE * 3 +
- (VC4_PACKET_BRANCH_TO_SUB_LIST_SIZE +
- VC4_PACKET_GEM_HANDLES_SIZE) +
- VC4_PACKET_STORE_MS_TILE_BUFFER_SIZE));
-
- if (vc4->cleared) {
- cl_u8(&vc4->rcl, VC4_PACKET_CLEAR_COLORS);
- cl_u32(&vc4->rcl, vc4->clear_color[0]);
- cl_u32(&vc4->rcl, vc4->clear_color[1]);
- cl_u32(&vc4->rcl, vc4->clear_depth);
- cl_u8(&vc4->rcl, vc4->clear_stencil);
- }
-
- /* The rendering mode config determines the pointer that's used for
- * VC4_PACKET_STORE_MS_TILE_BUFFER address computations. The kernel
- * could handle a no-relocation rendering mode config and deny those
- * packets, but instead we just tell the kernel we're doing our color
- * rendering to the Z buffer, and just don't emit any of those
- * packets.
- */
- struct vc4_surface *render_surf = csurf ? csurf : zsurf;
- struct vc4_resource *render_tex = vc4_resource(render_surf->base.texture);
- cl_start_reloc(&vc4->rcl, 1);
- cl_u8(&vc4->rcl, VC4_PACKET_TILE_RENDERING_MODE_CONFIG);
- cl_reloc(vc4, &vc4->rcl, render_tex->bo, render_surf->offset);
- cl_u16(&vc4->rcl, width);
- cl_u16(&vc4->rcl, height);
- cl_u16(&vc4->rcl,
- VC4_SET_FIELD(render_surf->tiling,
- VC4_RENDER_CONFIG_MEMORY_FORMAT) |
- VC4_SET_FIELD((vc4_rt_format_is_565(render_surf->base.format) ?
- VC4_RENDER_CONFIG_FORMAT_BGR565 :
- VC4_RENDER_CONFIG_FORMAT_RGBA8888),
- VC4_RENDER_CONFIG_FORMAT));
-
- /* The tile buffer normally gets cleared when the previous tile is
- * stored. If the clear values changed between frames, then the tile
- * buffer has stale clear values in it, so we have to do a store in
- * None mode (no writes) so that we trigger the tile buffer clear.
- *
- * Excess clearing is only a performance cost, since per-tile contents
- * will be loaded/stored in the loop below.
- */
- if (vc4->cleared & (PIPE_CLEAR_COLOR0 |
- PIPE_CLEAR_DEPTH |
- PIPE_CLEAR_STENCIL)) {
- cl_u8(&vc4->rcl, VC4_PACKET_TILE_COORDINATES);
- cl_u8(&vc4->rcl, 0);
- cl_u8(&vc4->rcl, 0);
-
- cl_u8(&vc4->rcl, VC4_PACKET_STORE_TILE_BUFFER_GENERAL);
- cl_u16(&vc4->rcl, VC4_LOADSTORE_TILE_BUFFER_NONE);
- cl_u32(&vc4->rcl, 0); /* no address, since we're in None mode */
- }
-
- uint32_t color_hindex = ctex ? vc4_gem_hindex(vc4, ctex->bo) : 0;
- uint32_t depth_hindex = ztex ? vc4_gem_hindex(vc4, ztex->bo) : 0;
- uint32_t tile_alloc_hindex = vc4_gem_hindex(vc4, vc4->tile_alloc);
-
- for (int y = min_y_tile; y <= max_y_tile; y++) {
- for (int x = min_x_tile; x <= max_x_tile; x++) {
- bool end_of_frame = (x == max_x_tile &&
- y == max_y_tile);
- bool coords_emitted = false;
-
- /* Note that the load doesn't actually occur until the
- * tile coords packet is processed, and only one load
- * may be outstanding at a time.
- */
- if (resolve_uncleared & PIPE_CLEAR_COLOR) {
- vc4_store_before_load(vc4, &coords_emitted);
-
- cl_start_reloc(&vc4->rcl, 1);
- cl_u8(&vc4->rcl, VC4_PACKET_LOAD_TILE_BUFFER_GENERAL);
- cl_u16(&vc4->rcl,
- VC4_SET_FIELD(VC4_LOADSTORE_TILE_BUFFER_COLOR,
- VC4_LOADSTORE_TILE_BUFFER_BUFFER) |
- VC4_SET_FIELD(csurf->tiling,
- VC4_LOADSTORE_TILE_BUFFER_TILING) |
- VC4_SET_FIELD(vc4_rt_format_is_565(csurf->base.format) ?
- VC4_LOADSTORE_TILE_BUFFER_BGR565 :
- VC4_LOADSTORE_TILE_BUFFER_RGBA8888,
- VC4_LOADSTORE_TILE_BUFFER_FORMAT));
- cl_reloc_hindex(&vc4->rcl, color_hindex,
- csurf->offset);
-
- vc4_tile_coordinates(vc4, x, y, &coords_emitted);
- }
-
- if (resolve_uncleared & (PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL)) {
- vc4_store_before_load(vc4, &coords_emitted);
-
- cl_start_reloc(&vc4->rcl, 1);
- cl_u8(&vc4->rcl, VC4_PACKET_LOAD_TILE_BUFFER_GENERAL);
- cl_u16(&vc4->rcl,
- VC4_SET_FIELD(VC4_LOADSTORE_TILE_BUFFER_ZS,
- VC4_LOADSTORE_TILE_BUFFER_BUFFER) |
- VC4_SET_FIELD(zsurf->tiling,
- VC4_LOADSTORE_TILE_BUFFER_TILING));
- cl_reloc_hindex(&vc4->rcl, depth_hindex,
- zsurf->offset);
-
- vc4_tile_coordinates(vc4, x, y, &coords_emitted);
- }
-
- /* Clipping depends on tile coordinates having been
- * emitted, so make sure it's happened even if
- * everything was cleared to start.
- */
- vc4_tile_coordinates(vc4, x, y, &coords_emitted);
-
- /* Wait for the binner before jumping to the first
- * tile's lists.
- */
- if (x == min_x_tile && y == min_y_tile)
- cl_u8(&vc4->rcl, VC4_PACKET_WAIT_ON_SEMAPHORE);
-
- cl_start_reloc(&vc4->rcl, 1);
- cl_u8(&vc4->rcl, VC4_PACKET_BRANCH_TO_SUB_LIST);
- cl_reloc_hindex(&vc4->rcl, tile_alloc_hindex,
- (y * stride_in_tiles + x) * 32);
-
- if (vc4->resolve & (PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL)) {
- vc4_tile_coordinates(vc4, x, y, &coords_emitted);
-
- cl_start_reloc(&vc4->rcl, 1);
- cl_u8(&vc4->rcl, VC4_PACKET_STORE_TILE_BUFFER_GENERAL);
- cl_u16(&vc4->rcl,
- VC4_SET_FIELD(VC4_LOADSTORE_TILE_BUFFER_ZS,
- VC4_LOADSTORE_TILE_BUFFER_BUFFER) |
- VC4_SET_FIELD(zsurf->tiling,
- VC4_LOADSTORE_TILE_BUFFER_TILING) |
- VC4_STORE_TILE_BUFFER_DISABLE_COLOR_CLEAR);
- cl_reloc_hindex(&vc4->rcl, depth_hindex,
- zsurf->offset |
- ((end_of_frame &&
- !(vc4->resolve & PIPE_CLEAR_COLOR0)) ?
- VC4_LOADSTORE_TILE_BUFFER_EOF : 0));
-
- coords_emitted = false;
- }
-
- if (vc4->resolve & PIPE_CLEAR_COLOR0) {
- vc4_tile_coordinates(vc4, x, y, &coords_emitted);
- if (end_of_frame) {
- cl_u8(&vc4->rcl,
- VC4_PACKET_STORE_MS_TILE_BUFFER_AND_EOF);
- } else {
- cl_u8(&vc4->rcl,
- VC4_PACKET_STORE_MS_TILE_BUFFER);
- }
-
- coords_emitted = false;
- }
-
- /* One of the bits needs to have been set that would
- * have triggered an EOF.
- */
- assert(vc4->resolve & (PIPE_CLEAR_COLOR0 |
- PIPE_CLEAR_DEPTH |
- PIPE_CLEAR_STENCIL));
- /* Any coords emitted must also have been consumed by
- * a store.
- */
- assert(!coords_emitted);
- }
- }
-
- if (vc4->resolve & PIPE_CLEAR_COLOR0)
- ctex->writes++;
-
- if (vc4->resolve & (PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL))
- ztex->writes++;
-}
-
void
vc4_flush(struct pipe_context *pctx)
{
struct vc4_context *vc4 = vc4_context(pctx);
+ struct pipe_surface *cbuf = vc4->framebuffer.cbufs[0];
+ struct pipe_surface *zsbuf = vc4->framebuffer.zsbuf;
if (!vc4->needs_flush)
return;
* FLUSH completes.
*/
cl_ensure_space(&vc4->bcl, 8);
- cl_u8(&vc4->bcl, VC4_PACKET_INCREMENT_SEMAPHORE);
+ struct vc4_cl_out *bcl = cl_start(&vc4->bcl);
+ cl_u8(&bcl, VC4_PACKET_INCREMENT_SEMAPHORE);
/* The FLUSH caps all of our bin lists with a VC4_PACKET_RETURN. */
- cl_u8(&vc4->bcl, VC4_PACKET_FLUSH);
+ cl_u8(&bcl, VC4_PACKET_FLUSH);
+ cl_end(&vc4->bcl, bcl);
+
+ if (cbuf && (vc4->resolve & PIPE_CLEAR_COLOR0)) {
+ pipe_surface_reference(&vc4->color_write,
+ cbuf->texture->nr_samples > 1 ?
+ NULL : cbuf);
+ pipe_surface_reference(&vc4->msaa_color_write,
+ cbuf->texture->nr_samples > 1 ?
+ cbuf : NULL);
+
+ if (!(vc4->cleared & PIPE_CLEAR_COLOR0)) {
+ pipe_surface_reference(&vc4->color_read, cbuf);
+ } else {
+ pipe_surface_reference(&vc4->color_read, NULL);
+ }
+
+ } else {
+ pipe_surface_reference(&vc4->color_write, NULL);
+ pipe_surface_reference(&vc4->color_read, NULL);
+ pipe_surface_reference(&vc4->msaa_color_write, NULL);
+ }
- vc4_setup_rcl(vc4);
+ if (vc4->framebuffer.zsbuf &&
+ (vc4->resolve & (PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL))) {
+ pipe_surface_reference(&vc4->zs_write,
+ zsbuf->texture->nr_samples > 1 ?
+ NULL : zsbuf);
+ pipe_surface_reference(&vc4->msaa_zs_write,
+ zsbuf->texture->nr_samples > 1 ?
+ zsbuf : NULL);
+
+ if (!(vc4->cleared & (PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL))) {
+ pipe_surface_reference(&vc4->zs_read, zsbuf);
+ } else {
+ pipe_surface_reference(&vc4->zs_read, NULL);
+ }
+ } else {
+ pipe_surface_reference(&vc4->zs_write, NULL);
+ pipe_surface_reference(&vc4->zs_read, NULL);
+ pipe_surface_reference(&vc4->msaa_zs_write, NULL);
+ }
vc4_job_submit(vc4);
}
vc4_flush(pctx);
if (fence) {
+ struct pipe_screen *screen = pctx->screen;
struct vc4_fence *f = vc4_fence_create(vc4->screen,
vc4->last_emit_seqno);
+ screen->fence_reference(screen, fence, NULL);
*fence = (struct pipe_fence_handle *)f;
}
}
* This helps avoid flushing the command buffers when unnecessary.
*/
bool
-vc4_cl_references_bo(struct pipe_context *pctx, struct vc4_bo *bo)
+vc4_cl_references_bo(struct pipe_context *pctx, struct vc4_bo *bo,
+ bool include_reads)
{
struct vc4_context *vc4 = vc4_context(pctx);
/* Walk all the referenced BOs in the drawing command list to see if
* they match.
*/
- struct vc4_bo **referenced_bos = vc4->bo_pointers.base;
- for (int i = 0; i < (vc4->bo_handles.next -
- vc4->bo_handles.base) / 4; i++) {
- if (referenced_bos[i] == bo) {
- return true;
+ if (include_reads) {
+ struct vc4_bo **referenced_bos = vc4->bo_pointers.base;
+ for (int i = 0; i < cl_offset(&vc4->bo_handles) / 4; i++) {
+ if (referenced_bos[i] == bo) {
+ return true;
+ }
}
}
pipe_surface_reference(&vc4->framebuffer.cbufs[0], NULL);
pipe_surface_reference(&vc4->framebuffer.zsbuf, NULL);
- vc4_bo_unreference(&vc4->tile_alloc);
- vc4_bo_unreference(&vc4->tile_state);
+
+ pipe_surface_reference(&vc4->color_write, NULL);
+ pipe_surface_reference(&vc4->color_read, NULL);
vc4_program_fini(pctx);
}
struct pipe_context *
-vc4_context_create(struct pipe_screen *pscreen, void *priv)
+vc4_context_create(struct pipe_screen *pscreen, void *priv, unsigned flags)
{
struct vc4_screen *screen = vc4_screen(pscreen);
struct vc4_context *vc4;
vc4_debug &= ~VC4_DEBUG_SHADERDB;
vc4 = rzalloc(NULL, struct vc4_context);
- if (vc4 == NULL)
+ if (!vc4)
return NULL;
struct pipe_context *pctx = &vc4->base;
if (!vc4->primconvert)
goto fail;
- vc4->uploader = u_upload_create(pctx, 16 * 1024, 4,
- PIPE_BIND_INDEX_BUFFER);
+ vc4->uploader = u_upload_create(pctx, 16 * 1024,
+ PIPE_BIND_INDEX_BUFFER,
+ PIPE_USAGE_STREAM);
vc4_debug |= saved_shaderdb_flag;
+ vc4->sample_mask = (1 << VC4_MAX_SAMPLES) - 1;
+
return &vc4->base;
fail: