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iris: support dmabuf imports with offsets

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this adds support for imports where the image data begins at an offset
from the start of the buffer, as used in h/x264

fixes kwg/mesa#47

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Mike Blumenkrantz
2019-04-30 14:51:52 -04:00
committed by Kenneth Graunke
parent 748f603390
commit ddd716e746
4 changed files with 12 additions and 12 deletions
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2
src/gallium/drivers/iris/iris_blit.c
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@@ -246,7 +246,7 @@ iris_blorp_surf_for_resource(struct iris_vtable *vtbl,
.surf = &res->surf, .surf = &res->surf,
.addr = (struct blorp_address) { .addr = (struct blorp_address) {
.buffer = res->bo, .buffer = res->bo,
.offset = 0, // XXX: ??? .offset = res->offset,
.reloc_flags = is_render_target ? EXEC_OBJECT_WRITE : 0, .reloc_flags = is_render_target ? EXEC_OBJECT_WRITE : 0,
.mocs = vtbl->mocs(res->bo), .mocs = vtbl->mocs(res->bo),
}, },

8
src/gallium/drivers/iris/iris_resource.c
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@@ -759,12 +759,6 @@ iris_resource_from_handle(struct pipe_screen *pscreen,
if (!res) if (!res)
return NULL; return NULL;
if (whandle->offset != 0) {
dbg_printf("Attempt to import unsupported winsys offset %u\n",
whandle->offset);
goto fail;
}
switch (whandle->type) { switch (whandle->type) {
case WINSYS_HANDLE_TYPE_FD: case WINSYS_HANDLE_TYPE_FD:
res->bo = iris_bo_import_dmabuf(bufmgr, whandle->handle); res->bo = iris_bo_import_dmabuf(bufmgr, whandle->handle);
@@ -779,6 +773,8 @@ iris_resource_from_handle(struct pipe_screen *pscreen,
if (!res->bo) if (!res->bo)
return NULL; return NULL;
res->offset = whandle->offset;
uint64_t modifier = whandle->modifier; uint64_t modifier = whandle->modifier;
if (modifier == DRM_FORMAT_MOD_INVALID) { if (modifier == DRM_FORMAT_MOD_INVALID) {
modifier = tiling_to_modifier(res->bo->tiling_mode); modifier = tiling_to_modifier(res->bo->tiling_mode);

3
src/gallium/drivers/iris/iris_resource.h
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@@ -68,6 +68,9 @@ struct iris_resource {
/** Backing storage for the resource */ /** Backing storage for the resource */
struct iris_bo *bo; struct iris_bo *bo;
/** offset at which data starts in the BO */
uint64_t offset;
/** /**
* A bitfield of PIPE_BIND_* indicating how this resource was bound * A bitfield of PIPE_BIND_* indicating how this resource was bound
* in the past. Only meaningful for PIPE_BUFFER; used for flushing. * in the past. Only meaningful for PIPE_BUFFER; used for flushing.

11
src/gallium/drivers/iris/iris_state.c
View File

@@ -1724,7 +1724,7 @@ fill_surface_state(struct isl_device *isl_dev,
.surf = &res->surf, .surf = &res->surf,
.view = view, .view = view,
.mocs = mocs(res->bo), .mocs = mocs(res->bo),
.address = res->bo->gtt_offset, .address = res->bo->gtt_offset + res->offset,
}; };
if (aux_usage != ISL_AUX_USAGE_NONE) { if (aux_usage != ISL_AUX_USAGE_NONE) {
@@ -2505,7 +2505,7 @@ iris_set_framebuffer_state(struct pipe_context *ctx,
view.usage |= ISL_SURF_USAGE_DEPTH_BIT; view.usage |= ISL_SURF_USAGE_DEPTH_BIT;
info.depth_surf = &zres->surf; info.depth_surf = &zres->surf;
info.depth_address = zres->bo->gtt_offset; info.depth_address = zres->bo->gtt_offset + zres->offset;
info.mocs = mocs(zres->bo); info.mocs = mocs(zres->bo);
view.format = zres->surf.format; view.format = zres->surf.format;
@@ -2520,7 +2520,7 @@ iris_set_framebuffer_state(struct pipe_context *ctx,
if (stencil_res) { if (stencil_res) {
view.usage |= ISL_SURF_USAGE_STENCIL_BIT; view.usage |= ISL_SURF_USAGE_STENCIL_BIT;
info.stencil_surf = &stencil_res->surf; info.stencil_surf = &stencil_res->surf;
info.stencil_address = stencil_res->bo->gtt_offset; info.stencil_address = stencil_res->bo->gtt_offset + stencil_res->offset;
if (!zres) { if (!zres) {
view.format = stencil_res->surf.format; view.format = stencil_res->surf.format;
info.mocs = mocs(stencil_res->bo); info.mocs = mocs(stencil_res->bo);
@@ -2592,8 +2592,9 @@ upload_ubo_ssbo_surf_state(struct iris_context *ice,
surf_state->offset += iris_bo_offset_from_base_address(surf_bo); surf_state->offset += iris_bo_offset_from_base_address(surf_bo);
isl_buffer_fill_state(&screen->isl_dev, map, isl_buffer_fill_state(&screen->isl_dev, map,
.address = res->bo->gtt_offset + buf->buffer_offset, .address = res->bo->gtt_offset + res->offset +
.size_B = buf->buffer_size, buf->buffer_offset,
.size_B = buf->buffer_size - res->offset,
.format = ssbo ? ISL_FORMAT_RAW .format = ssbo ? ISL_FORMAT_RAW
: ISL_FORMAT_R32G32B32A32_FLOAT, : ISL_FORMAT_R32G32B32A32_FLOAT,
.swizzle = ISL_SWIZZLE_IDENTITY, .swizzle = ISL_SWIZZLE_IDENTITY,