blob: a524b476987244cd5968ca6ba6d5160737b16cfc [file] [log] [blame]
/*
* Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Authors:
* Rob Clark <robclark@freedesktop.org>
*/
#include "pipe/p_state.h"
#include "util/format/u_format.h"
#include "util/u_draw.h"
#include "util/u_helpers.h"
#include "util/u_memory.h"
#include "util/u_prim.h"
#include "util/u_string.h"
#include "freedreno_blitter.h"
#include "freedreno_context.h"
#include "freedreno_draw.h"
#include "freedreno_fence.h"
#include "freedreno_query_acc.h"
#include "freedreno_query_hw.h"
#include "freedreno_resource.h"
#include "freedreno_state.h"
#include "freedreno_util.h"
static void
resource_read(struct fd_batch *batch, struct pipe_resource *prsc) assert_dt
{
if (!prsc)
return;
fd_batch_resource_read(batch, fd_resource(prsc));
}
static void
resource_written(struct fd_batch *batch, struct pipe_resource *prsc) assert_dt
{
if (!prsc)
return;
fd_batch_resource_write(batch, fd_resource(prsc));
}
static void
batch_draw_tracking_for_dirty_bits(struct fd_batch *batch) assert_dt
{
struct fd_context *ctx = batch->ctx;
struct pipe_framebuffer_state *pfb = &batch->framebuffer;
unsigned buffers = 0, restore_buffers = 0;
if (ctx->dirty & (FD_DIRTY_FRAMEBUFFER | FD_DIRTY_ZSA)) {
if (fd_depth_enabled(ctx)) {
if (fd_resource(pfb->zsbuf->texture)->valid) {
restore_buffers |= FD_BUFFER_DEPTH;
/* storing packed d/s depth also stores stencil, so we need
* the stencil restored too to avoid invalidating it.
*/
if (pfb->zsbuf->texture->format == PIPE_FORMAT_Z24_UNORM_S8_UINT)
restore_buffers |= FD_BUFFER_STENCIL;
} else {
batch->invalidated |= FD_BUFFER_DEPTH;
}
batch->gmem_reason |= FD_GMEM_DEPTH_ENABLED;
if (fd_depth_write_enabled(ctx)) {
buffers |= FD_BUFFER_DEPTH;
resource_written(batch, pfb->zsbuf->texture);
} else {
resource_read(batch, pfb->zsbuf->texture);
}
}
if (fd_stencil_enabled(ctx)) {
if (fd_resource(pfb->zsbuf->texture)->valid) {
restore_buffers |= FD_BUFFER_STENCIL;
/* storing packed d/s stencil also stores depth, so we need
* the depth restored too to avoid invalidating it.
*/
if (pfb->zsbuf->texture->format == PIPE_FORMAT_Z24_UNORM_S8_UINT)
restore_buffers |= FD_BUFFER_DEPTH;
} else {
batch->invalidated |= FD_BUFFER_STENCIL;
}
batch->gmem_reason |= FD_GMEM_STENCIL_ENABLED;
buffers |= FD_BUFFER_STENCIL;
resource_written(batch, pfb->zsbuf->texture);
}
}
if (ctx->dirty & FD_DIRTY_FRAMEBUFFER) {
for (unsigned i = 0; i < pfb->nr_cbufs; i++) {
struct pipe_resource *surf;
if (!pfb->cbufs[i])
continue;
surf = pfb->cbufs[i]->texture;
if (fd_resource(surf)->valid) {
restore_buffers |= PIPE_CLEAR_COLOR0 << i;
} else {
batch->invalidated |= PIPE_CLEAR_COLOR0 << i;
}
buffers |= PIPE_CLEAR_COLOR0 << i;
if (ctx->dirty & FD_DIRTY_FRAMEBUFFER)
resource_written(batch, pfb->cbufs[i]->texture);
}
}
if (ctx->dirty & FD_DIRTY_BLEND) {
if (ctx->blend->logicop_enable)
batch->gmem_reason |= FD_GMEM_LOGICOP_ENABLED;
for (unsigned i = 0; i < pfb->nr_cbufs; i++) {
if (ctx->blend->rt[i].blend_enable)
batch->gmem_reason |= FD_GMEM_BLEND_ENABLED;
}
}
/* Mark SSBOs */
if (ctx->dirty_shader[PIPE_SHADER_FRAGMENT] & FD_DIRTY_SHADER_SSBO) {
const struct fd_shaderbuf_stateobj *so =
&ctx->shaderbuf[PIPE_SHADER_FRAGMENT];
u_foreach_bit (i, so->enabled_mask & so->writable_mask)
resource_written(batch, so->sb[i].buffer);
u_foreach_bit (i, so->enabled_mask & ~so->writable_mask)
resource_read(batch, so->sb[i].buffer);
}
if (ctx->dirty_shader[PIPE_SHADER_FRAGMENT] & FD_DIRTY_SHADER_IMAGE) {
u_foreach_bit (i, ctx->shaderimg[PIPE_SHADER_FRAGMENT].enabled_mask) {
struct pipe_image_view *img =
&ctx->shaderimg[PIPE_SHADER_FRAGMENT].si[i];
if (img->access & PIPE_IMAGE_ACCESS_WRITE)
resource_written(batch, img->resource);
else
resource_read(batch, img->resource);
}
}
u_foreach_bit (s, ctx->bound_shader_stages) {
/* Mark constbuf as being read: */
if (ctx->dirty_shader[s] & FD_DIRTY_SHADER_CONST) {
u_foreach_bit (i, ctx->constbuf[s].enabled_mask)
resource_read(batch, ctx->constbuf[s].cb[i].buffer);
}
/* Mark textures as being read */
if (ctx->dirty_shader[s] & FD_DIRTY_SHADER_TEX) {
u_foreach_bit (i, ctx->tex[s].valid_textures)
resource_read(batch, ctx->tex[s].textures[i]->texture);
}
}
/* Mark VBOs as being read */
if (ctx->dirty & FD_DIRTY_VTXBUF) {
u_foreach_bit (i, ctx->vtx.vertexbuf.enabled_mask) {
assert(!ctx->vtx.vertexbuf.vb[i].is_user_buffer);
resource_read(batch, ctx->vtx.vertexbuf.vb[i].buffer.resource);
}
}
/* Mark streamout buffers as being written.. */
if (ctx->dirty & FD_DIRTY_STREAMOUT) {
for (unsigned i = 0; i < ctx->streamout.num_targets; i++)
if (ctx->streamout.targets[i])
resource_written(batch, ctx->streamout.targets[i]->buffer);
}
/* any buffers that haven't been cleared yet, we need to restore: */
batch->restore |= restore_buffers & (FD_BUFFER_ALL & ~batch->invalidated);
/* and any buffers used, need to be resolved: */
batch->resolve |= buffers;
}
static void
batch_draw_tracking(struct fd_batch *batch, const struct pipe_draw_info *info,
const struct pipe_draw_indirect_info *indirect) assert_dt
{
struct fd_context *ctx = batch->ctx;
/* NOTE: needs to be before resource_written(batch->query_buf), otherwise
* query_buf may not be created yet.
*/
fd_batch_update_queries(batch);
/*
* Figure out the buffers/features we need:
*/
fd_screen_lock(ctx->screen);
if (ctx->dirty & FD_DIRTY_RESOURCE)
batch_draw_tracking_for_dirty_bits(batch);
/* Mark index buffer as being read */
if (info->index_size)
resource_read(batch, info->index.resource);
/* Mark indirect draw buffer as being read */
if (indirect) {
if (indirect->buffer)
resource_read(batch, indirect->buffer);
if (indirect->count_from_stream_output)
resource_read(
batch, fd_stream_output_target(indirect->count_from_stream_output)
->offset_buf);
}
resource_written(batch, batch->query_buf);
list_for_each_entry (struct fd_acc_query, aq, &ctx->acc_active_queries, node)
resource_written(batch, aq->prsc);
fd_screen_unlock(ctx->screen);
}
static void
update_draw_stats(struct fd_context *ctx, const struct pipe_draw_info *info,
const struct pipe_draw_start_count_bias *draws,
unsigned num_draws) assert_dt
{
ctx->stats.draw_calls++;
if (ctx->screen->gen < 6) {
/* Counting prims in sw doesn't work for GS and tesselation. For older
* gens we don't have those stages and don't have the hw counters enabled,
* so keep the count accurate for non-patch geometry.
*/
unsigned prims = 0;
if ((info->mode != PIPE_PRIM_PATCHES) && (info->mode != PIPE_PRIM_MAX)) {
for (unsigned i = 0; i < num_draws; i++) {
prims += u_reduced_prims_for_vertices(info->mode, draws[i].count);
}
}
ctx->stats.prims_generated += prims;
if (ctx->streamout.num_targets > 0) {
/* Clip the prims we're writing to the size of the SO buffers. */
enum pipe_prim_type tf_prim = u_decomposed_prim(info->mode);
unsigned verts_written = u_vertices_for_prims(tf_prim, prims);
unsigned remaining_vert_space =
ctx->streamout.max_tf_vtx - ctx->streamout.verts_written;
if (verts_written > remaining_vert_space) {
verts_written = remaining_vert_space;
u_trim_pipe_prim(tf_prim, &remaining_vert_space);
}
ctx->streamout.verts_written += verts_written;
ctx->stats.prims_emitted +=
u_reduced_prims_for_vertices(tf_prim, verts_written);
}
}
}
static void
fd_draw_vbo(struct pipe_context *pctx, const struct pipe_draw_info *info,
unsigned drawid_offset,
const struct pipe_draw_indirect_info *indirect,
const struct pipe_draw_start_count_bias *draws, unsigned num_draws) in_dt
{
struct fd_context *ctx = fd_context(pctx);
/* for debugging problems with indirect draw, it is convenient
* to be able to emulate it, to determine if game is feeding us
* bogus data:
*/
if (indirect && indirect->buffer && FD_DBG(NOINDR)) {
/* num_draws is only applicable for direct draws: */
assert(num_draws == 1);
util_draw_indirect(pctx, info, indirect);
return;
}
/* TODO: push down the region versions into the tiles */
if (!fd_render_condition_check(pctx))
return;
/* Upload a user index buffer. */
struct pipe_resource *indexbuf = NULL;
unsigned index_offset = 0;
struct pipe_draw_info new_info;
if (info->index_size) {
if (info->has_user_indices) {
if (num_draws > 1) {
util_draw_multi(pctx, info, drawid_offset, indirect, draws, num_draws);
return;
}
if (!util_upload_index_buffer(pctx, info, &draws[0], &indexbuf,
&index_offset, 4))
return;
new_info = *info;
new_info.index.resource = indexbuf;
new_info.has_user_indices = false;
info = &new_info;
} else {
indexbuf = info->index.resource;
}
}
if ((ctx->streamout.num_targets > 0) && (num_draws > 1)) {
util_draw_multi(pctx, info, drawid_offset, indirect, draws, num_draws);
return;
}
struct fd_batch *batch = fd_context_batch(ctx);
batch_draw_tracking(batch, info, indirect);
while (unlikely(!fd_batch_lock_submit(batch))) {
/* The current batch was flushed in batch_draw_tracking()
* so start anew. We know this won't happen a second time
* since we are dealing with a fresh batch:
*/
fd_batch_reference(&batch, NULL);
batch = fd_context_batch(ctx);
batch_draw_tracking(batch, info, indirect);
assert(ctx->batch == batch);
}
batch->num_draws++;
/* Marking the batch as needing flush must come after the batch
* dependency tracking (resource_read()/resource_write()), as that
* can trigger a flush
*/
fd_batch_needs_flush(batch);
struct pipe_framebuffer_state *pfb = &batch->framebuffer;
DBG("%p: %ux%u num_draws=%u (%s/%s)", batch, pfb->width, pfb->height,
batch->num_draws,
util_format_short_name(pipe_surface_format(pfb->cbufs[0])),
util_format_short_name(pipe_surface_format(pfb->zsbuf)));
batch->cost += ctx->draw_cost;
for (unsigned i = 0; i < num_draws; i++) {
ctx->draw_vbo(ctx, info, drawid_offset, indirect, &draws[i], index_offset);
batch->num_vertices += draws[i].count * info->instance_count;
}
if (unlikely(ctx->stats_users > 0))
update_draw_stats(ctx, info, draws, num_draws);
for (unsigned i = 0; i < ctx->streamout.num_targets; i++) {
assert(num_draws == 1);
ctx->streamout.offsets[i] += draws[0].count;
}
if (FD_DBG(DDRAW))
fd_context_all_dirty(ctx);
assert(!batch->flushed);
fd_batch_unlock_submit(batch);
fd_batch_check_size(batch);
fd_batch_reference(&batch, NULL);
if (info == &new_info)
pipe_resource_reference(&indexbuf, NULL);
}
static void
batch_clear_tracking(struct fd_batch *batch, unsigned buffers) assert_dt
{
struct fd_context *ctx = batch->ctx;
struct pipe_framebuffer_state *pfb = &batch->framebuffer;
unsigned cleared_buffers;
/* pctx->clear() is only for full-surface clears, so scissor is
* equivalent to having GL_SCISSOR_TEST disabled:
*/
batch->max_scissor.minx = 0;
batch->max_scissor.miny = 0;
batch->max_scissor.maxx = pfb->width - 1;
batch->max_scissor.maxy = pfb->height - 1;
/* for bookkeeping about which buffers have been cleared (and thus
* can fully or partially skip mem2gmem) we need to ignore buffers
* that have already had a draw, in case apps do silly things like
* clear after draw (ie. if you only clear the color buffer, but
* something like alpha-test causes side effects from the draw in
* the depth buffer, etc)
*/
cleared_buffers = buffers & (FD_BUFFER_ALL & ~batch->restore);
batch->cleared |= buffers;
batch->invalidated |= cleared_buffers;
batch->resolve |= buffers;
fd_screen_lock(ctx->screen);
if (buffers & PIPE_CLEAR_COLOR)
for (unsigned i = 0; i < pfb->nr_cbufs; i++)
if (buffers & (PIPE_CLEAR_COLOR0 << i))
resource_written(batch, pfb->cbufs[i]->texture);
if (buffers & (PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL)) {
resource_written(batch, pfb->zsbuf->texture);
batch->gmem_reason |= FD_GMEM_CLEARS_DEPTH_STENCIL;
}
resource_written(batch, batch->query_buf);
list_for_each_entry (struct fd_acc_query, aq, &ctx->acc_active_queries, node)
resource_written(batch, aq->prsc);
fd_screen_unlock(ctx->screen);
}
static void
fd_clear(struct pipe_context *pctx, unsigned buffers,
const struct pipe_scissor_state *scissor_state,
const union pipe_color_union *color, double depth,
unsigned stencil) in_dt
{
struct fd_context *ctx = fd_context(pctx);
/* TODO: push down the region versions into the tiles */
if (!fd_render_condition_check(pctx))
return;
struct fd_batch *batch = fd_context_batch(ctx);
batch_clear_tracking(batch, buffers);
while (unlikely(!fd_batch_lock_submit(batch))) {
/* The current batch was flushed in batch_clear_tracking()
* so start anew. We know this won't happen a second time
* since we are dealing with a fresh batch:
*/
fd_batch_reference(&batch, NULL);
batch = fd_context_batch(ctx);
batch_clear_tracking(batch, buffers);
assert(ctx->batch == batch);
}
/* Marking the batch as needing flush must come after the batch
* dependency tracking (resource_read()/resource_write()), as that
* can trigger a flush
*/
fd_batch_needs_flush(batch);
struct pipe_framebuffer_state *pfb = &batch->framebuffer;
DBG("%p: %x %ux%u depth=%f, stencil=%u (%s/%s)", batch, buffers, pfb->width,
pfb->height, depth, stencil,
util_format_short_name(pipe_surface_format(pfb->cbufs[0])),
util_format_short_name(pipe_surface_format(pfb->zsbuf)));
/* if per-gen backend doesn't implement ctx->clear() generic
* blitter clear:
*/
bool fallback = true;
if (ctx->clear) {
fd_batch_update_queries(batch);
if (ctx->clear(ctx, buffers, color, depth, stencil)) {
if (FD_DBG(DCLEAR))
fd_context_all_dirty(ctx);
fallback = false;
}
}
assert(!batch->flushed);
fd_batch_unlock_submit(batch);
if (fallback) {
fd_blitter_clear(pctx, buffers, color, depth, stencil);
}
fd_batch_check_size(batch);
fd_batch_reference(&batch, NULL);
}
static void
fd_clear_render_target(struct pipe_context *pctx, struct pipe_surface *ps,
const union pipe_color_union *color, unsigned x,
unsigned y, unsigned w, unsigned h,
bool render_condition_enabled)
{
DBG("TODO: x=%u, y=%u, w=%u, h=%u", x, y, w, h);
}
static void
fd_clear_depth_stencil(struct pipe_context *pctx, struct pipe_surface *ps,
unsigned buffers, double depth, unsigned stencil,
unsigned x, unsigned y, unsigned w, unsigned h,
bool render_condition_enabled)
{
DBG("TODO: buffers=%u, depth=%f, stencil=%u, x=%u, y=%u, w=%u, h=%u",
buffers, depth, stencil, x, y, w, h);
}
static void
fd_launch_grid(struct pipe_context *pctx,
const struct pipe_grid_info *info) in_dt
{
struct fd_context *ctx = fd_context(pctx);
const struct fd_shaderbuf_stateobj *so =
&ctx->shaderbuf[PIPE_SHADER_COMPUTE];
struct fd_batch *batch, *save_batch = NULL;
batch = fd_bc_alloc_batch(ctx, true);
fd_batch_reference(&save_batch, ctx->batch);
fd_batch_reference(&ctx->batch, batch);
fd_context_all_dirty(ctx);
fd_screen_lock(ctx->screen);
/* Mark SSBOs */
u_foreach_bit (i, so->enabled_mask & so->writable_mask)
resource_written(batch, so->sb[i].buffer);
u_foreach_bit (i, so->enabled_mask & ~so->writable_mask)
resource_read(batch, so->sb[i].buffer);
u_foreach_bit (i, ctx->shaderimg[PIPE_SHADER_COMPUTE].enabled_mask) {
struct pipe_image_view *img = &ctx->shaderimg[PIPE_SHADER_COMPUTE].si[i];
if (img->access & PIPE_IMAGE_ACCESS_WRITE)
resource_written(batch, img->resource);
else
resource_read(batch, img->resource);
}
/* UBO's are read */
u_foreach_bit (i, ctx->constbuf[PIPE_SHADER_COMPUTE].enabled_mask)
resource_read(batch, ctx->constbuf[PIPE_SHADER_COMPUTE].cb[i].buffer);
/* Mark textures as being read */
u_foreach_bit (i, ctx->tex[PIPE_SHADER_COMPUTE].valid_textures)
resource_read(batch, ctx->tex[PIPE_SHADER_COMPUTE].textures[i]->texture);
/* For global buffers, we don't really know if read or written, so assume
* the worst:
*/
u_foreach_bit (i, ctx->global_bindings.enabled_mask)
resource_written(batch, ctx->global_bindings.buf[i]);
if (info->indirect)
resource_read(batch, info->indirect);
fd_screen_unlock(ctx->screen);
DBG("%p: work_dim=%u, block=%ux%ux%u, grid=%ux%ux%u",
batch, info->work_dim,
info->block[0], info->block[1], info->block[2],
info->grid[0], info->grid[1], info->grid[2]);
fd_batch_needs_flush(batch);
ctx->launch_grid(ctx, info);
fd_batch_flush(batch);
fd_batch_reference(&ctx->batch, save_batch);
fd_context_all_dirty(ctx);
fd_batch_reference(&save_batch, NULL);
fd_batch_reference(&batch, NULL);
}
void
fd_draw_init(struct pipe_context *pctx)
{
pctx->draw_vbo = fd_draw_vbo;
pctx->clear = fd_clear;
pctx->clear_render_target = fd_clear_render_target;
pctx->clear_depth_stencil = fd_clear_depth_stencil;
if (has_compute(fd_screen(pctx->screen))) {
pctx->launch_grid = fd_launch_grid;
}
}