[PATCH vkd3d v4 03/10] vkd3d-shader/hlsl: Add aoffimmi modifiers on Sample sm4 instructions.
Francisco Casas
fcasas at codeweavers.com
Tue Dec 21 07:04:18 CST 2021
Signed-off-by: Francisco Casas <fcasas at codeweavers.com>
---
libs/vkd3d-shader/hlsl_sm4.c | 47 ++++++++++++++++++++++--
libs/vkd3d-shader/vkd3d_shader_private.h | 1 +
2 files changed, 45 insertions(+), 3 deletions(-)
diff --git a/libs/vkd3d-shader/hlsl_sm4.c b/libs/vkd3d-shader/hlsl_sm4.c
index 19450584..d55815f1 100644
--- a/libs/vkd3d-shader/hlsl_sm4.c
+++ b/libs/vkd3d-shader/hlsl_sm4.c
@@ -766,7 +766,6 @@ static uint32_t sm4_encode_instruction_modifier(const struct sm4_instruction_mod
return word;
}
-
struct sm4_register
{
enum vkd3d_sm4_register_type type;
@@ -1020,6 +1019,35 @@ static void write_sm4_instruction(struct vkd3d_bytecode_buffer *buffer, const st
put_u32(buffer, instr->idx[j]);
}
+static bool encode_texel_offset_as_aoffimmi(struct sm4_instruction *instr,
+ const struct hlsl_ir_node *texel_offset){
+ struct sm4_instruction_modifier modif;
+ struct hlsl_ir_constant *offset;
+
+ if (!texel_offset)
+ return false;
+
+ if (texel_offset->type != HLSL_IR_CONSTANT)
+ return false;
+ offset = hlsl_ir_constant(texel_offset);
+
+ modif.type = VKD3D_SM4_MODIFIER_AOFFIMMI;
+ modif.aoffimmi.u = offset->value[0].i;
+ modif.aoffimmi.v = offset->value[1].i;
+ modif.aoffimmi.w = offset->value[2].i;
+ if (modif.aoffimmi.u < -8 || 7 < modif.aoffimmi.u)
+ return false;
+ if (modif.aoffimmi.v < -8 || 7 < modif.aoffimmi.v)
+ return false;
+ if (modif.aoffimmi.w < -8 || 7 < modif.aoffimmi.w)
+ return false;
+
+ instr->modifiers[instr->modifier_count] = modif;
+ instr->modifier_count++;
+
+ return true;
+}
+
static void write_sm4_dcl_constant_buffer(struct vkd3d_bytecode_buffer *buffer, const struct hlsl_buffer *cbuffer)
{
const struct sm4_instruction instr =
@@ -1307,7 +1335,8 @@ static void write_sm4_ld(struct hlsl_ctx *ctx, struct vkd3d_bytecode_buffer *buf
static void write_sm4_sample(struct hlsl_ctx *ctx, struct vkd3d_bytecode_buffer *buffer,
const struct hlsl_type *resource_type, const struct hlsl_ir_node *dst,
- const struct hlsl_deref *resource, const struct hlsl_deref *sampler, const struct hlsl_ir_node *coords)
+ const struct hlsl_deref *resource, const struct hlsl_deref *sampler,
+ const struct hlsl_ir_node *coords, const struct hlsl_ir_node *texel_offset)
{
struct sm4_instruction instr;
unsigned int writemask;
@@ -1315,6 +1344,16 @@ static void write_sm4_sample(struct hlsl_ctx *ctx, struct vkd3d_bytecode_buffer
memset(&instr, 0, sizeof(instr));
instr.opcode = VKD3D_SM4_OP_SAMPLE;
+ if (texel_offset)
+ {
+ if (!encode_texel_offset_as_aoffimmi(&instr, texel_offset))
+ {
+ hlsl_error(ctx, &texel_offset->loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TEXEL_OFFSET,
+ "Offset must resolve to integer literal in the range -8 to 7\n");
+ return;
+ }
+ }
+
sm4_register_from_node(&instr.dsts[0].reg, &instr.dsts[0].writemask, NULL, dst);
instr.dst_count = 1;
@@ -1627,6 +1666,7 @@ static void write_sm4_resource_load(struct hlsl_ctx *ctx,
{
const struct hlsl_type *resource_type = load->resource.var->data_type;
const struct hlsl_ir_node *coords = load->coords.node;
+ const struct hlsl_ir_node *texel_offset = load->texel_offset.node;
if (load->sampler.var)
{
@@ -1658,7 +1698,8 @@ static void write_sm4_resource_load(struct hlsl_ctx *ctx,
case HLSL_RESOURCE_SAMPLE:
if (!load->sampler.var)
hlsl_fixme(ctx, &load->node.loc, "SM4 combined sample expression.");
- write_sm4_sample(ctx, buffer, resource_type, &load->node, &load->resource, &load->sampler, coords);
+ write_sm4_sample(ctx, buffer, resource_type, &load->node, &load->resource, &load->sampler,
+ coords, texel_offset);
break;
}
}
diff --git a/libs/vkd3d-shader/vkd3d_shader_private.h b/libs/vkd3d-shader/vkd3d_shader_private.h
index 62073cf1..718bb202 100644
--- a/libs/vkd3d-shader/vkd3d_shader_private.h
+++ b/libs/vkd3d-shader/vkd3d_shader_private.h
@@ -114,6 +114,7 @@ enum vkd3d_shader_error
VKD3D_SHADER_ERROR_HLSL_OVERLAPPING_RESERVATIONS = 5015,
VKD3D_SHADER_ERROR_HLSL_INVALID_RESERVATION = 5016,
VKD3D_SHADER_ERROR_HLSL_NOT_IMPLEMENTED = 5017,
+ VKD3D_SHADER_ERROR_HLSL_INVALID_TEXEL_OFFSET = 5018,
VKD3D_SHADER_WARNING_HLSL_IMPLICIT_TRUNCATION = 5300,
--
2.25.1
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