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virgl: add memory barrier support

Browse source 
Reviwed-by: Gert Wollny <gert.wollny@collabora.com>
This commit is contained in:
Dave Airlie 2018-07-18 13:37:49 +10:00
parent 6f75058359
commit a090df0d5d
5 changed files with 29 additions and 0 deletions
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13
src/gallium/drivers/virgl/virgl_context.c
View file

@ -997,6 +997,17 @@ static void virgl_set_shader_images(struct pipe_context *ctx,
virgl_encode_set_shader_images(vctx, shader, start_slot, count, images);
}
static void virgl_memory_barrier(struct pipe_context *ctx,
unsigned flags)
{
struct virgl_context *vctx = virgl_context(ctx);
struct virgl_screen *rs = virgl_screen(ctx->screen);
if (!(rs->caps.caps.v2.capability_bits & VIRGL_CAP_MEMORY_BARRIER))
return;
virgl_encode_memory_barrier(vctx, flags);
}
static void
virgl_context_destroy( struct pipe_context *ctx )
{
@ -1136,6 +1147,8 @@ struct pipe_context *virgl_context_create(struct pipe_screen *pscreen,
vctx->base.set_shader_buffers = virgl_set_shader_buffers;
vctx->base.set_shader_images = virgl_set_shader_images;
vctx->base.memory_barrier = virgl_memory_barrier;
virgl_init_context_resource_functions(&vctx->base);
virgl_init_query_functions(vctx);
virgl_init_so_functions(vctx);

8
src/gallium/drivers/virgl/virgl_encode.c
View file

@ -972,3 +972,11 @@ int virgl_encode_set_shader_images(struct virgl_context *ctx,
}
return 0;
}
int virgl_encode_memory_barrier(struct virgl_context *ctx,
unsigned flags)
{
virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_MEMORY_BARRIER, 0, 1));
virgl_encoder_write_dword(ctx->cbuf, flags);
return 0;
}

2
src/gallium/drivers/virgl/virgl_encode.h
View file

@ -267,4 +267,6 @@ int virgl_encode_set_shader_images(struct virgl_context *ctx,
enum pipe_shader_type shader,
unsigned start_slot, unsigned count,
const struct pipe_image_view *images);
int virgl_encode_memory_barrier(struct virgl_context *ctx,
unsigned flags);
#endif

1
src/gallium/drivers/virgl/virgl_hw.h
View file

@ -205,6 +205,7 @@ enum virgl_formats {
#define VIRGL_CAP_COPY_IMAGE (1 << 3)
#define VIRGL_CAP_TGSI_PRECISE (1 << 4)
#define VIRGL_CAP_TXQS (1 << 5)
#define VIRGL_CAP_MEMORY_BARRIER (1 << 6)
#define VIRGL_BIND_DEPTH_STENCIL (1 << 0)
#define VIRGL_BIND_RENDER_TARGET (1 << 1)

5
src/gallium/drivers/virgl/virgl_protocol.h
View file

@ -88,6 +88,7 @@ enum virgl_context_cmd {
VIRGL_CCMD_SET_MIN_SAMPLES,
VIRGL_CCMD_SET_SHADER_BUFFERS,
VIRGL_CCMD_SET_SHADER_IMAGES,
VIRGL_CCMD_MEMORY_BARRIER,
};
/*
@ -513,4 +514,8 @@ enum virgl_context_cmd {
#define VIRGL_SET_SHADER_IMAGE_LEVEL_SIZE(x) ((x) * VIRGL_SET_SHADER_IMAGE_ELEMENT_SIZE + 6)
#define VIRGL_SET_SHADER_IMAGE_RES_HANDLE(x) ((x) * VIRGL_SET_SHADER_IMAGE_ELEMENT_SIZE + 7)
/* memory barrier */
#define VIRGL_MEMORY_BARRIER_SIZE 1
#define VIRGL_MEMORY_BARRIER_FLAGS 1
#endif