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-rw-r--r--src/gallium/drivers/virgl/virgl_buffer.c2
-rw-r--r--src/gallium/drivers/virgl/virgl_context.c44
-rw-r--r--src/gallium/drivers/virgl/virgl_context.h2
-rw-r--r--src/gallium/drivers/virgl/virgl_encode.c25
-rw-r--r--src/gallium/drivers/virgl/virgl_encode.h5
-rw-r--r--src/gallium/drivers/virgl/virgl_hw.h3
-rw-r--r--src/gallium/drivers/virgl/virgl_protocol.h10
-rw-r--r--src/gallium/drivers/virgl/virgl_resource.h2
-rw-r--r--src/gallium/drivers/virgl/virgl_screen.c5
9 files changed, 98 insertions, 0 deletions
diff --git a/src/gallium/drivers/virgl/virgl_buffer.c b/src/gallium/drivers/virgl/virgl_buffer.c
index 97b2854b9ca..48fbef09a1e 100644
--- a/src/gallium/drivers/virgl/virgl_buffer.c
+++ b/src/gallium/drivers/virgl/virgl_buffer.c
@@ -164,6 +164,8 @@ struct pipe_resource *virgl_buffer_create(struct virgl_screen *vs,
vbind = pipe_to_virgl_bind(template->bind);
size = template->width0;
+ if (vbind == VIRGL_BIND_SHADER_BUFFER)
+ buf->base.clean = FALSE;
buf->base.hw_res = vs->vws->resource_create(vs->vws, template->target, template->format, vbind, template->width0, 1, 1, 1, 0, 0, size);
util_range_set_empty(&buf->valid_buffer_range);
diff --git a/src/gallium/drivers/virgl/virgl_context.c b/src/gallium/drivers/virgl/virgl_context.c
index 19bc23dd1e5..159a7b2814c 100644
--- a/src/gallium/drivers/virgl/virgl_context.c
+++ b/src/gallium/drivers/virgl/virgl_context.c
@@ -168,6 +168,20 @@ static void virgl_attach_res_uniform_buffers(struct virgl_context *vctx,
}
}
+static void virgl_attach_res_shader_buffers(struct virgl_context *vctx,
+ enum pipe_shader_type shader_type)
+{
+ struct virgl_winsys *vws = virgl_screen(vctx->base.screen)->vws;
+ struct virgl_resource *res;
+ unsigned i;
+ for (i = 0; i < PIPE_MAX_SHADER_BUFFERS; i++) {
+ res = virgl_resource(vctx->ssbos[shader_type][i]);
+ if (res) {
+ vws->emit_res(vws, vctx->cbuf, res->hw_res, FALSE);
+ }
+ }
+}
+
/*
* after flushing, the hw context still has a bunch of
* resources bound, so we need to rebind those here.
@@ -183,6 +197,7 @@ static void virgl_reemit_res(struct virgl_context *vctx)
for (shader_type = 0; shader_type < PIPE_SHADER_TYPES; shader_type++) {
virgl_attach_res_sampler_views(vctx, shader_type);
virgl_attach_res_uniform_buffers(vctx, shader_type);
+ virgl_attach_res_shader_buffers(vctx, shader_type);
}
virgl_attach_res_vertex_buffers(vctx);
virgl_attach_res_so_targets(vctx);
@@ -911,6 +926,34 @@ static void virgl_blit(struct pipe_context *ctx,
blit);
}
+static void virgl_set_shader_buffers(struct pipe_context *ctx,
+ enum pipe_shader_type shader,
+ unsigned start_slot, unsigned count,
+ const struct pipe_shader_buffer *buffers)
+{
+ struct virgl_context *vctx = virgl_context(ctx);
+ struct virgl_screen *rs = virgl_screen(ctx->screen);
+
+ for (unsigned i = 0; i < count; i++) {
+ unsigned idx = start_slot + i;
+
+ if (buffers) {
+ if (buffers[i].buffer) {
+ pipe_resource_reference(&vctx->ssbos[shader][idx], buffers[i].buffer);
+ continue;
+ }
+ }
+ pipe_resource_reference(&vctx->ssbos[shader][idx], NULL);
+ }
+
+ uint32_t max_shader_buffer = shader == PIPE_SHADER_FRAGMENT ?
+ rs->caps.caps.v2.max_shader_buffer_frag_compute :
+ rs->caps.caps.v2.max_shader_buffer_other_stages;
+ if (!max_shader_buffer)
+ return;
+ virgl_encode_set_shader_buffers(vctx, shader, start_slot, count, buffers);
+}
+
static void
virgl_context_destroy( struct pipe_context *ctx )
{
@@ -1048,6 +1091,7 @@ struct pipe_context *virgl_context_create(struct pipe_screen *pscreen,
vctx->base.flush_resource = virgl_flush_resource;
vctx->base.blit = virgl_blit;
+ vctx->base.set_shader_buffers = virgl_set_shader_buffers;
virgl_init_context_resource_functions(&vctx->base);
virgl_init_query_functions(vctx);
virgl_init_so_functions(vctx);
diff --git a/src/gallium/drivers/virgl/virgl_context.h b/src/gallium/drivers/virgl/virgl_context.h
index 3492dcfa494..5747654ea82 100644
--- a/src/gallium/drivers/virgl/virgl_context.h
+++ b/src/gallium/drivers/virgl/virgl_context.h
@@ -68,6 +68,8 @@ struct virgl_context {
unsigned num_so_targets;
struct pipe_resource *ubos[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS];
+
+ struct pipe_resource *ssbos[PIPE_SHADER_TYPES][PIPE_MAX_SHADER_BUFFERS];
int num_transfers;
int num_draws;
struct list_head to_flush_bufs;
diff --git a/src/gallium/drivers/virgl/virgl_encode.c b/src/gallium/drivers/virgl/virgl_encode.c
index c1af01b6fdf..b09366dcee6 100644
--- a/src/gallium/drivers/virgl/virgl_encode.c
+++ b/src/gallium/drivers/virgl/virgl_encode.c
@@ -918,3 +918,28 @@ int virgl_encode_set_tess_state(struct virgl_context *ctx,
virgl_encoder_write_dword(ctx->cbuf, fui(inner[i]));
return 0;
}
+
+int virgl_encode_set_shader_buffers(struct virgl_context *ctx,
+ enum pipe_shader_type shader,
+ unsigned start_slot, unsigned count,
+ const struct pipe_shader_buffer *buffers)
+{
+ int i;
+ virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_SHADER_BUFFERS, 0, VIRGL_SET_SHADER_BUFFER_SIZE(count)));
+
+ virgl_encoder_write_dword(ctx->cbuf, shader);
+ virgl_encoder_write_dword(ctx->cbuf, start_slot);
+ for (i = 0; i < count; i++) {
+ if (buffers) {
+ struct virgl_resource *res = virgl_resource(buffers[i].buffer);
+ virgl_encoder_write_dword(ctx->cbuf, buffers[i].buffer_offset);
+ virgl_encoder_write_dword(ctx->cbuf, buffers[i].buffer_size);
+ virgl_encoder_write_res(ctx, res);
+ } else {
+ virgl_encoder_write_dword(ctx->cbuf, 0);
+ virgl_encoder_write_dword(ctx->cbuf, 0);
+ virgl_encoder_write_dword(ctx->cbuf, 0);
+ }
+ }
+ return 0;
+}
diff --git a/src/gallium/drivers/virgl/virgl_encode.h b/src/gallium/drivers/virgl/virgl_encode.h
index 21c506eb56f..3221fcbcd0c 100644
--- a/src/gallium/drivers/virgl/virgl_encode.h
+++ b/src/gallium/drivers/virgl/virgl_encode.h
@@ -258,4 +258,9 @@ int virgl_encode_bind_shader(struct virgl_context *ctx,
int virgl_encode_set_tess_state(struct virgl_context *ctx,
const float outer[4],
const float inner[2]);
+
+int virgl_encode_set_shader_buffers(struct virgl_context *ctx,
+ enum pipe_shader_type shader,
+ unsigned start_slot, unsigned count,
+ const struct pipe_shader_buffer *buffers);
#endif
diff --git a/src/gallium/drivers/virgl/virgl_hw.h b/src/gallium/drivers/virgl/virgl_hw.h
index ee6aa68c5a7..c509e9b8a0a 100644
--- a/src/gallium/drivers/virgl/virgl_hw.h
+++ b/src/gallium/drivers/virgl/virgl_hw.h
@@ -212,6 +212,7 @@ enum virgl_formats {
#define VIRGL_BIND_CONSTANT_BUFFER (1 << 6)
#define VIRGL_BIND_DISPLAY_TARGET (1 << 7)
#define VIRGL_BIND_STREAM_OUTPUT (1 << 11)
+#define VIRGL_BIND_SHADER_BUFFER (1 << 14)
#define VIRGL_BIND_CURSOR (1 << 16)
#define VIRGL_BIND_CUSTOM (1 << 17)
#define VIRGL_BIND_SCANOUT (1 << 18)
@@ -303,6 +304,8 @@ struct virgl_caps_v2 {
uint32_t capability_bits;
uint32_t msaa_sample_positions[8];
uint32_t max_vertex_attrib_stride;
+ uint32_t max_shader_buffer_frag_compute;
+ uint32_t max_shader_buffer_other_stages;
};
union virgl_caps {
diff --git a/src/gallium/drivers/virgl/virgl_protocol.h b/src/gallium/drivers/virgl/virgl_protocol.h
index 53493d5c156..51c350112ad 100644
--- a/src/gallium/drivers/virgl/virgl_protocol.h
+++ b/src/gallium/drivers/virgl/virgl_protocol.h
@@ -86,6 +86,7 @@ enum virgl_context_cmd {
VIRGL_CCMD_SET_TESS_STATE,
VIRGL_CCMD_SET_MIN_SAMPLES,
+ VIRGL_CCMD_SET_SHADER_BUFFERS,
};
/*
@@ -491,4 +492,13 @@ enum virgl_context_cmd {
#define VIRGL_SET_MIN_SAMPLES_SIZE 1
#define VIRGL_SET_MIN_SAMPLES_MASK 1
+/* set shader buffers */
+#define VIRGL_SET_SHADER_BUFFER_ELEMENT_SIZE 3
+#define VIRGL_SET_SHADER_BUFFER_SIZE(x) (VIRGL_SET_SHADER_BUFFER_ELEMENT_SIZE * (x)) + 2
+#define VIRGL_SET_SHADER_BUFFER_SHADER_TYPE 1
+#define VIRGL_SET_SHADER_BUFFER_START_SLOT 2
+#define VIRGL_SET_SHADER_BUFFER_OFFSET(x) ((x) * VIRGL_SET_SHADER_BUFFER_ELEMENT_SIZE + 3)
+#define VIRGL_SET_SHADER_BUFFER_LENGTH(x) ((x) * VIRGL_SET_SHADER_BUFFER_ELEMENT_SIZE + 4)
+#define VIRGL_SET_SHADER_BUFFER_RES_HANDLE(x) ((x) * VIRGL_SET_SHADER_BUFFER_ELEMENT_SIZE + 5)
+
#endif
diff --git a/src/gallium/drivers/virgl/virgl_resource.h b/src/gallium/drivers/virgl/virgl_resource.h
index bab9bcb9b4e..297bc72e198 100644
--- a/src/gallium/drivers/virgl/virgl_resource.h
+++ b/src/gallium/drivers/virgl/virgl_resource.h
@@ -134,6 +134,8 @@ static inline unsigned pipe_to_virgl_bind(unsigned pbind)
outbind |= VIRGL_BIND_CUSTOM;
if (pbind & PIPE_BIND_SCANOUT)
outbind |= VIRGL_BIND_SCANOUT;
+ if (pbind & PIPE_BIND_SHADER_BUFFER)
+ outbind |= VIRGL_BIND_SHADER_BUFFER;
return outbind;
}
diff --git a/src/gallium/drivers/virgl/virgl_screen.c b/src/gallium/drivers/virgl/virgl_screen.c
index 198acbfefbb..18b636b869f 100644
--- a/src/gallium/drivers/virgl/virgl_screen.c
+++ b/src/gallium/drivers/virgl/virgl_screen.c
@@ -370,6 +370,11 @@ virgl_get_shader_param(struct pipe_screen *screen,
return 32;
case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
return 4096 * sizeof(float[4]);
+ case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
+ if (shader == PIPE_SHADER_FRAGMENT)
+ return vscreen->caps.caps.v2.max_shader_buffer_frag_compute;
+ else
+ return vscreen->caps.caps.v2.max_shader_buffer_other_stages;
case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
case PIPE_SHADER_CAP_INT64_ATOMICS:
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-23 16:01:41 +0000