radv: implement VK_EXT_transform_feedback
This implementation should work and potential bugs can be
fixed during the release candidates window anyway.
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
diff --git a/src/amd/vulkan/radv_shader.c b/src/amd/vulkan/radv_shader.c
index edeaefb..f98ca6b 100644
--- a/src/amd/vulkan/radv_shader.c
+++ b/src/amd/vulkan/radv_shader.c
@@ -243,6 +243,8 @@
.runtime_descriptor_array = true,
.stencil_export = true,
.storage_16bit = true,
+ .geometry_streams = true,
+ .transform_feedback = true,
},
};
entry_point = spirv_to_nir(spirv, module->size / 4,
@@ -434,7 +436,12 @@
variant->code_size = radv_get_shader_binary_size(binary);
variant->rsrc2 = S_00B12C_USER_SGPR(variant->info.num_user_sgprs) |
S_00B12C_USER_SGPR_MSB(variant->info.num_user_sgprs >> 5) |
- S_00B12C_SCRATCH_EN(scratch_enabled);
+ S_00B12C_SCRATCH_EN(scratch_enabled) |
+ S_00B12C_SO_BASE0_EN(!!info->so.strides[0]) |
+ S_00B12C_SO_BASE1_EN(!!info->so.strides[1]) |
+ S_00B12C_SO_BASE2_EN(!!info->so.strides[2]) |
+ S_00B12C_SO_BASE3_EN(!!info->so.strides[3]) |
+ S_00B12C_SO_EN(!!info->so.num_outputs);
variant->rsrc1 = S_00B848_VGPRS((variant->config.num_vgprs - 1) / 4) |
S_00B848_SGPRS((variant->config.num_sgprs - 1) / 8) |