#include "util/u_memory.h"
+static void r600_set_streamout_enable(struct r600_common_context *rctx, bool enable);
+
static struct pipe_stream_output_target *
r600_create_so_target(struct pipe_context *ctx,
struct pipe_resource *buffer,
unsigned num_bufs_appended = util_bitcount(rctx->streamout.enabled_mask &
rctx->streamout.append_bitmask);
+ if (!num_bufs)
+ return;
+
rctx->streamout.num_dw_for_end =
12 + /* flush_vgt_streamout */
- num_bufs * 8 + /* STRMOUT_BUFFER_UPDATE */
- 3 /* set_streamout_enable(0) */;
+ num_bufs * 11; /* STRMOUT_BUFFER_UPDATE, BUFFER_SIZE */
begin->num_dw = 12 + /* flush_vgt_streamout */
- 6; /* set_streamout_enable */
+ 3; /* VGT_STRMOUT_BUFFER_CONFIG */
if (rctx->chip_class >= SI) {
begin->num_dw += num_bufs * 4; /* SET_CONTEXT_REG */
begin->num_dw +=
num_bufs_appended * 8 + /* STRMOUT_BUFFER_UPDATE */
(num_bufs - num_bufs_appended) * 6 + /* STRMOUT_BUFFER_UPDATE */
- (rctx->family > CHIP_R600 && rctx->family < CHIP_RS780 ? 2 : 0) + /* SURFACE_BASE_UPDATE */
- rctx->streamout.num_dw_for_end;
+ (rctx->family > CHIP_R600 && rctx->family < CHIP_RS780 ? 2 : 0); /* SURFACE_BASE_UPDATE */
begin->dirty = true;
+
+ r600_set_streamout_enable(rctx, true);
}
void r600_set_streamout_targets(struct pipe_context *ctx,
r600_streamout_buffers_dirty(rctx);
} else {
rctx->streamout.begin_atom.dirty = false;
+ r600_set_streamout_enable(rctx, false);
}
}
radeon_emit(cs, 4); /* poll interval */
}
-static void r600_set_streamout_enable(struct r600_common_context *rctx, unsigned buffer_enable_bit)
-{
- struct radeon_winsys_cs *cs = rctx->rings.gfx.cs;
-
- if (buffer_enable_bit) {
- r600_write_context_reg(cs, R_028AB0_VGT_STRMOUT_EN, S_028AB0_STREAMOUT(1));
- r600_write_context_reg(cs, R_028B20_VGT_STRMOUT_BUFFER_EN, buffer_enable_bit);
- } else {
- r600_write_context_reg(cs, R_028AB0_VGT_STRMOUT_EN, S_028AB0_STREAMOUT(0));
- }
-}
-
-static void evergreen_set_streamout_enable(struct r600_common_context *rctx, unsigned buffer_enable_bit)
-{
- struct radeon_winsys_cs *cs = rctx->rings.gfx.cs;
-
- if (buffer_enable_bit) {
- r600_write_context_reg_seq(cs, R_028B94_VGT_STRMOUT_CONFIG, 2);
- radeon_emit(cs, S_028B94_STREAMOUT_0_EN(1)); /* R_028B94_VGT_STRMOUT_CONFIG */
- radeon_emit(cs, S_028B98_STREAM_0_BUFFER_EN(buffer_enable_bit)); /* R_028B98_VGT_STRMOUT_BUFFER_CONFIG */
- } else {
- r600_write_context_reg(cs, R_028B94_VGT_STRMOUT_CONFIG, S_028B94_STREAMOUT_0_EN(0));
- }
-}
-
static void r600_emit_streamout_begin(struct r600_common_context *rctx, struct r600_atom *atom)
{
struct radeon_winsys_cs *cs = rctx->rings.gfx.cs;
r600_flush_vgt_streamout(rctx);
- if (rctx->chip_class >= EVERGREEN) {
- evergreen_set_streamout_enable(rctx, rctx->streamout.enabled_mask);
- } else {
- r600_set_streamout_enable(rctx, rctx->streamout.enabled_mask);
- }
+ r600_write_context_reg(cs, rctx->chip_class >= EVERGREEN ?
+ R_028B98_VGT_STRMOUT_BUFFER_CONFIG :
+ R_028B20_VGT_STRMOUT_BUFFER_EN,
+ rctx->streamout.enabled_mask);
for (i = 0; i < rctx->streamout.num_targets; i++) {
if (!t[i])
t[i]->b.buffer_size) >> 2); /* BUFFER_SIZE (in DW) */
radeon_emit(cs, stride_in_dw[i]); /* VTX_STRIDE (in DW) */
} else {
- uint64_t va = r600_resource_va(rctx->b.screen,
- (void*)t[i]->b.buffer);
+ uint64_t va = r600_resource(t[i]->b.buffer)->gpu_address;
update_flags |= SURFACE_BASE_UPDATE_STRMOUT(i);
}
if (rctx->streamout.append_bitmask & (1 << i)) {
- uint64_t va = r600_resource_va(rctx->b.screen,
- (void*)t[i]->buf_filled_size) +
+ uint64_t va = t[i]->buf_filled_size->gpu_address +
t[i]->buf_filled_size_offset;
/* Append. */
if (!t[i])
continue;
- va = r600_resource_va(rctx->b.screen,
- (void*)t[i]->buf_filled_size) + t[i]->buf_filled_size_offset;
+ va = t[i]->buf_filled_size->gpu_address + t[i]->buf_filled_size_offset;
radeon_emit(cs, PKT3(PKT3_STRMOUT_BUFFER_UPDATE, 4, 0));
radeon_emit(cs, STRMOUT_SELECT_BUFFER(i) |
STRMOUT_OFFSET_SOURCE(STRMOUT_OFFSET_NONE) |
r600_emit_reloc(rctx, &rctx->rings.gfx, t[i]->buf_filled_size,
RADEON_USAGE_WRITE, RADEON_PRIO_MIN);
- }
- if (rctx->chip_class >= EVERGREEN) {
- evergreen_set_streamout_enable(rctx, 0);
- } else {
- r600_set_streamout_enable(rctx, 0);
+ /* Zero the buffer size. The counters (primitives generated,
+ * primitives emitted) may be enabled even if there is not
+ * buffer bound. This ensures that the primitives-emitted query
+ * won't increment. */
+ r600_write_context_reg(cs, R_028AD0_VGT_STRMOUT_BUFFER_SIZE_0 + 16*i, 0);
}
rctx->streamout.begin_emitted = false;
+ rctx->flags |= R600_CONTEXT_STREAMOUT_FLUSH;
+}
- if (rctx->chip_class >= R700) {
- rctx->flags |= R600_CONTEXT_STREAMOUT_FLUSH;
- } else {
- rctx->flags |= R600_CONTEXT_FLUSH_AND_INV;
+/* STREAMOUT CONFIG DERIVED STATE
+ *
+ * Streamout must be enabled for the PRIMITIVES_GENERATED query to work.
+ * The buffer mask is an independent state, so no writes occur if there
+ * are no buffers bound.
+ */
+
+static bool r600_get_strmout_en(struct r600_common_context *rctx)
+{
+ return rctx->streamout.streamout_enabled ||
+ rctx->streamout.prims_gen_query_enabled;
+}
+
+static void r600_emit_streamout_enable(struct r600_common_context *rctx,
+ struct r600_atom *atom)
+{
+ r600_write_context_reg(rctx->rings.gfx.cs,
+ rctx->chip_class >= EVERGREEN ?
+ R_028B94_VGT_STRMOUT_CONFIG :
+ R_028AB0_VGT_STRMOUT_EN,
+ S_028B94_STREAMOUT_0_EN(r600_get_strmout_en(rctx)));
+}
+
+static void r600_set_streamout_enable(struct r600_common_context *rctx, bool enable)
+{
+ bool old_strmout_en = r600_get_strmout_en(rctx);
+
+ rctx->streamout.streamout_enabled = enable;
+ if (old_strmout_en != r600_get_strmout_en(rctx))
+ rctx->streamout.enable_atom.dirty = true;
+}
+
+void r600_update_prims_generated_query_state(struct r600_common_context *rctx,
+ unsigned type, int diff)
+{
+ if (type == PIPE_QUERY_PRIMITIVES_GENERATED) {
+ bool old_strmout_en = r600_get_strmout_en(rctx);
+
+ rctx->streamout.num_prims_gen_queries += diff;
+ assert(rctx->streamout.num_prims_gen_queries >= 0);
+
+ rctx->streamout.prims_gen_query_enabled =
+ rctx->streamout.num_prims_gen_queries != 0;
+
+ if (old_strmout_en != r600_get_strmout_en(rctx))
+ rctx->streamout.enable_atom.dirty = true;
}
}
rctx->b.create_stream_output_target = r600_create_so_target;
rctx->b.stream_output_target_destroy = r600_so_target_destroy;
rctx->streamout.begin_atom.emit = r600_emit_streamout_begin;
+ rctx->streamout.enable_atom.emit = r600_emit_streamout_enable;
+ rctx->streamout.enable_atom.num_dw = 3;
}
projects / mesa.git / blobdiff