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libs/vkd3d-shader: Translate gather4 instructions.

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This commit is contained in:
Józef Kucia 2017-09-04 12:46:52 +02:00
parent 5bdc928908
commit 293ce313ac
1 changed files with 50 additions and 0 deletions
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50
libs/vkd3d-shader/spirv.c
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@ -1304,6 +1304,15 @@ static uint32_t vkd3d_spirv_build_op_image_sample_dref(struct vkd3d_spirv_builde
operands, ARRAY_SIZE(operands), image_operands_mask, image_operands, image_operand_count);
}
static uint32_t vkd3d_spirv_build_op_image_gather(struct vkd3d_spirv_builder *builder,
uint32_t result_type, uint32_t sampled_image_id, uint32_t coordinate_id, uint32_t component_id,
uint32_t image_operands_mask, const uint32_t *image_operands, unsigned int image_operand_count)
{
const uint32_t operands[] = {sampled_image_id, coordinate_id, component_id};
return vkd3d_spirv_build_image_instruction(builder, SpvOpImageGather, result_type,
operands, ARRAY_SIZE(operands), image_operands_mask, image_operands, image_operand_count);
}
static uint32_t vkd3d_spirv_build_op_image_fetch(struct vkd3d_spirv_builder *builder,
uint32_t result_type, uint32_t image_id, uint32_t coordinate_id,
uint32_t image_operands_mask, const uint32_t *image_operands, unsigned int image_operand_count)
@ -4492,6 +4501,44 @@ static void vkd3d_dxbc_compiler_emit_sample_c(struct vkd3d_dxbc_compiler *compil
vkd3d_dxbc_compiler_emit_store_dst(compiler, &dst, val_id);
}
static void vkd3d_dxbc_compiler_emit_gather4(struct vkd3d_dxbc_compiler *compiler,
const struct vkd3d_shader_instruction *instruction)
{
struct vkd3d_spirv_builder *builder = &compiler->spirv_builder;
uint32_t sampled_type_id, coordinate_id, component_id, val_id;
const struct vkd3d_shader_src_param *src = instruction->src;
const struct vkd3d_shader_src_param *resource, *sampler;
struct vkd3d_shader_dst_param dst = *instruction->dst;
struct vkd3d_shader_image image;
unsigned int component_idx;
DWORD coordinate_mask;
if (vkd3d_shader_instruction_has_texel_offset(instruction))
FIXME("Texel offset not supported.\n");
resource = &src[1];
sampler = &src[2];
component_idx = vkd3d_swizzle_get_component(sampler->swizzle, 0);
/* Nvidia driver requires signed integer type. */
component_id = vkd3d_dxbc_compiler_get_constant(compiler, VKD3D_TYPE_INT, 1, &component_idx);
vkd3d_dxbc_compiler_prepare_sampled_image(compiler, &image,
&resource->reg, &sampler->reg, VKD3D_IMAGE_FLAG_NONE);
sampled_type_id = vkd3d_spirv_get_type_id(builder, image.sampled_type, VKD3D_VEC4_SIZE);
coordinate_mask = (1u << image.resource_type_info->coordinate_component_count) - 1;
coordinate_id = vkd3d_dxbc_compiler_emit_load_src(compiler, &src[0], coordinate_mask);
val_id = vkd3d_spirv_build_op_image_gather(builder, sampled_type_id,
image.sampled_image_id, coordinate_id, component_id,
SpvImageOperandsMaskNone, NULL, 0);
val_id = vkd3d_dxbc_compiler_emit_swizzle(compiler,
val_id, image.sampled_type, resource->swizzle, dst.write_mask);
/* XXX: Fix the result data type. */
dst.reg.data_type = vkd3d_data_type_from_component_type(image.sampled_type);
vkd3d_dxbc_compiler_emit_store_dst(compiler, &dst, val_id);
}
static uint32_t vkd3d_dxbc_compiler_emit_raw_structured_addressing(
struct vkd3d_dxbc_compiler *compiler, uint32_t type_id, unsigned int stride,
const struct vkd3d_shader_src_param *src0, DWORD src0_mask,
@ -5233,6 +5280,9 @@ void vkd3d_dxbc_compiler_handle_instruction(struct vkd3d_dxbc_compiler *compiler
case VKD3DSIH_SAMPLE_C_LZ:
vkd3d_dxbc_compiler_emit_sample_c(compiler, instruction);
break;
case VKD3DSIH_GATHER4:
vkd3d_dxbc_compiler_emit_gather4(compiler, instruction);
break;
case VKD3DSIH_LD_RAW:
case VKD3DSIH_LD_STRUCTURED:
vkd3d_dxbc_compiler_emit_ld_raw_structured(compiler, instruction);