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vkd3d-shader: Translate eval_sample_index shader instructions.

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Signed-off-by: Józef Kucia <jkucia@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Józef Kucia 2019-03-14 11:34:53 +01:00 committed by Alexandre Julliard
parent 6c141d7457
commit 38f5081496
1 changed files with 40 additions and 0 deletions
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40
libs/vkd3d-shader/spirv.c
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@ -7605,6 +7605,43 @@ static void vkd3d_dxbc_compiler_emit_sample_info(struct vkd3d_dxbc_compiler *com
vkd3d_dxbc_compiler_emit_store_dst(compiler, dst, val_id);
}
static void vkd3d_dxbc_compiler_emit_interpolate(struct vkd3d_dxbc_compiler *compiler,
const struct vkd3d_shader_instruction *instruction)
{
struct vkd3d_spirv_builder *builder = &compiler->spirv_builder;
const struct vkd3d_shader_dst_param *dst = instruction->dst;
const struct vkd3d_shader_src_param *src = instruction->src;
const struct vkd3d_shader_register *input = &src[0].reg;
uint32_t instr_set_id, type_id, val_id, src_ids[2];
struct vkd3d_shader_register_info register_info;
if (!vkd3d_dxbc_compiler_get_register_info(compiler, input, &register_info))
return;
if (register_info.storage_class != SpvStorageClassInput)
{
FIXME("Not supported for storage class %#x.\n", register_info.storage_class);
return;
}
vkd3d_spirv_enable_capability(builder, SpvCapabilityInterpolationFunction);
src_ids[0] = register_info.id;
src_ids[1] = vkd3d_dxbc_compiler_emit_load_src(compiler, &src[1], VKD3DSP_WRITEMASK_0);
type_id = vkd3d_spirv_get_type_id(builder,
VKD3D_TYPE_FLOAT, vkd3d_write_mask_component_count(register_info.write_mask));
instr_set_id = vkd3d_spirv_get_glsl_std450_instr_set(builder);
val_id = vkd3d_spirv_build_op_ext_inst(builder, type_id,
instr_set_id, GLSLstd450InterpolateAtSample, src_ids, 2);
val_id = vkd3d_dxbc_compiler_emit_swizzle(compiler,
val_id, register_info.write_mask, VKD3D_TYPE_FLOAT, src[0].swizzle, dst->write_mask);
vkd3d_dxbc_compiler_emit_store_dst(compiler, dst, val_id);
}
/* From the Vulkan spec:
*
* "Scope for execution must be limited to: * Workgroup * Subgroup"
@ -8011,6 +8048,9 @@ int vkd3d_dxbc_compiler_handle_instruction(struct vkd3d_dxbc_compiler *compiler,
case VKD3DSIH_SAMPLE_INFO:
vkd3d_dxbc_compiler_emit_sample_info(compiler, instruction);
break;
case VKD3DSIH_EVAL_SAMPLE_INDEX:
vkd3d_dxbc_compiler_emit_interpolate(compiler, instruction);
break;
case VKD3DSIH_SYNC:
vkd3d_dxbc_compiler_emit_sync(compiler, instruction);
break;