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v3dv: implement indirect draws 

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6766>
This commit is contained in:
Iago Toral Quiroga 2020-02-18 09:31:39 +01:00 committed by Marge Bot
parent 06fa2928b8
commit 914a23a8a0
1 changed files with 63 additions and 0 deletions
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63
src/broadcom/vulkan/v3dv_cmd_buffer.c
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@ -2114,6 +2114,69 @@ v3dv_CmdDrawIndexed(VkCommandBuffer commandBuffer,
}
}
void
v3dv_CmdDrawIndirect(VkCommandBuffer commandBuffer,
VkBuffer _buffer,
VkDeviceSize offset,
uint32_t drawCount,
uint32_t stride)
{
V3DV_FROM_HANDLE(v3dv_cmd_buffer, cmd_buffer, commandBuffer);
V3DV_FROM_HANDLE(v3dv_buffer, buffer, _buffer);
/* drawCount is the number of draws to execute, and can be zero. */
if (drawCount == 0)
return;
struct v3dv_job *job = cmd_buffer->state.job;
assert(job);
cmd_buffer_emit_pre_draw(cmd_buffer);
const struct v3dv_pipeline *pipeline = cmd_buffer->state.pipeline;
uint32_t hw_prim_type = v3d_hw_prim_type(pipeline->vs->topology);
cl_emit(&job->bcl, INDIRECT_VERTEX_ARRAY_INSTANCED_PRIMS, prim) {
prim.mode = hw_prim_type;
prim.number_of_draw_indirect_array_records = drawCount;
prim.stride_in_multiples_of_4_bytes = stride >> 2;
prim.address = v3dv_cl_address(buffer->mem->bo, offset);
}
}
void
v3dv_CmdDrawIndexedIndirect(VkCommandBuffer commandBuffer,
VkBuffer _buffer,
VkDeviceSize offset,
uint32_t drawCount,
uint32_t stride)
{
V3DV_FROM_HANDLE(v3dv_cmd_buffer, cmd_buffer, commandBuffer);
V3DV_FROM_HANDLE(v3dv_buffer, buffer, _buffer);
/* drawCount is the number of draws to execute, and can be zero. */
if (drawCount == 0)
return;
struct v3dv_job *job = cmd_buffer->state.job;
assert(job);
cmd_buffer_emit_pre_draw(cmd_buffer);
const struct v3dv_pipeline *pipeline = cmd_buffer->state.pipeline;
uint32_t hw_prim_type = v3d_hw_prim_type(pipeline->vs->topology);
uint8_t index_type = ffs(cmd_buffer->state.index_size) - 1;
cl_emit(&job->bcl, INDIRECT_INDEXED_INSTANCED_PRIM_LIST, prim) {
prim.index_type = index_type;
prim.mode = hw_prim_type;
prim.enable_primitive_restarts = false; /* FIXME */
prim.number_of_draw_indirect_indexed_records = drawCount;
prim.stride_in_multiples_of_4_bytes = stride >> 2;
prim.address = v3dv_cl_address(buffer->mem->bo, offset);
}
}
void
v3dv_CmdPipelineBarrier(VkCommandBuffer commandBuffer,
VkPipelineStageFlags srcStageMask,