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iris: make surface states for cbufs

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This commit is contained in:
Kenneth Graunke
2018-06-06 14:37:38 -07:00
parent 4e007dbb30
commit 90046b43cc
2 changed files with 35 additions and 5 deletions
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7
src/gallium/drivers/iris/iris_context.h
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@@ -170,8 +170,13 @@ struct iris_compiled_shader {
};
struct iris_const_buffer {
struct pipe_resource *res;
/** The resource and offset for the actual constant data */
struct pipe_resource *resource;
unsigned offset;
/** The resource and offset for the SURFACE_STATE for pull access. */
struct pipe_resource *surface_state_resource;
unsigned surface_state_offset;
};
struct iris_shader_state {

33
src/gallium/drivers/iris/iris_state.c
View File

@@ -1343,6 +1343,7 @@ iris_set_constant_buffer(struct pipe_context *ctx,
const struct pipe_constant_buffer *input)
{
struct iris_context *ice = (struct iris_context *) ctx;
struct iris_screen *screen = (struct iris_screen *)ctx->screen;
gl_shader_stage stage = stage_from_pipe(p_stage);
struct iris_shader_state *shs = &ice->shaders.state[stage];
struct iris_const_buffer *cbuf = &shs->constbuf[index];
@@ -1350,12 +1351,36 @@ iris_set_constant_buffer(struct pipe_context *ctx,
if (input && (input->buffer || input->user_buffer)) {
if (input->user_buffer) {
u_upload_data(ctx->const_uploader, 0, input->buffer_size, 32,
input->user_buffer, &cbuf->offset, &cbuf->res);
input->user_buffer, &cbuf->offset, &cbuf->resource);
} else {
pipe_resource_reference(&cbuf->res, input->buffer);
pipe_resource_reference(&cbuf->resource, input->buffer);
}
void *map = NULL;
// XXX: these are not retained forever, use a separate uploader?
u_upload_alloc(ice->state.surface_uploader, 0,
4 * GENX(RENDER_SURFACE_STATE_length), 64,
&cbuf->surface_state_offset,
&cbuf->surface_state_resource,
&map);
if (!unlikely(map)) {
pipe_resource_reference(&cbuf->resource, NULL);
return;
}
struct iris_resource *res = (void *) cbuf->resource;
struct iris_bo *surf_bo = iris_resource_bo(cbuf->surface_state_resource);
cbuf->surface_state_offset += iris_bo_offset_from_base_address(surf_bo);
isl_buffer_fill_state(&screen->isl_dev, map,
.address = res->bo->gtt_offset,
.size_B = input->buffer_size,
.format = ISL_FORMAT_R32G32B32A32_FLOAT,
.stride_B = 1,
.mocs = MOCS_WB)
} else {
pipe_resource_reference(&cbuf->res, NULL);
pipe_resource_reference(&cbuf->resource, NULL);
pipe_resource_reference(&cbuf->surface_state_resource, NULL);
}
}
@@ -2261,7 +2286,7 @@ iris_upload_render_state(struct iris_context *ice,
// XXX: is range->block a constbuf index? it would be nice
struct iris_const_buffer *cbuf = &shs->constbuf[range->block];
struct iris_resource *res = (void *) cbuf->res;
struct iris_resource *res = (void *) cbuf->resource;
assert(cbuf->offset % 32 == 0);