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iris: Clamp UBO and SSBO access to the actual BO size, for safety

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This commit is contained in:
Kenneth Graunke 2018-10-22 14:35:33 -07:00
parent a9b32f2bbf
commit ba2a4207f9
1 changed files with 5 additions and 2 deletions
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7
src/gallium/drivers/iris/iris_state.c
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@ -2112,7 +2112,8 @@ iris_set_constant_buffer(struct pipe_context *ctx,
isl_buffer_fill_state(&screen->isl_dev, map,
.address = res->bo->gtt_offset + cbuf->data.offset,
.size_B = input->buffer_size,
.size_B = MIN2(input->buffer_size,
res->bo->size - cbuf->data.offset),
.format = ISL_FORMAT_R32G32B32A32_FLOAT,
.stride_B = 1,
.mocs = MOCS_WB)
@ -2169,7 +2170,9 @@ iris_set_shader_buffers(struct pipe_context *ctx,
isl_buffer_fill_state(&screen->isl_dev, map,
.address =
res->bo->gtt_offset + buffer->buffer_offset,
.size_B = buffer->buffer_size,
.size_B =
MIN2(buffer->buffer_size,
res->bo->size - buffer->buffer_offset),
.format = ISL_FORMAT_RAW,
.stride_B = 1,
.mocs = MOCS_WB);