[PATCH vkd3d v3 03/12] vkd3d-shader/hlsl: Add aoffimmi modifiers on Sample sm4 instructions.
Francisco Casas
fcasas at codeweavers.com
Fri Dec 17 13:12:45 CST 2021
Signed-off-by: Francisco Casas <fcasas at codeweavers.com>
---
libs/vkd3d-shader/hlsl_sm4.c | 39 ++++++++++++++++++++++++++++++++++--
1 file changed, 37 insertions(+), 2 deletions(-)
diff --git a/libs/vkd3d-shader/hlsl_sm4.c b/libs/vkd3d-shader/hlsl_sm4.c
index 07bbd376..11e1f59a 100644
--- a/libs/vkd3d-shader/hlsl_sm4.c
+++ b/libs/vkd3d-shader/hlsl_sm4.c
@@ -1306,14 +1306,47 @@ 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 hlsl_ir_constant *offset;
struct sm4_instruction instr;
unsigned int writemask;
memset(&instr, 0, sizeof(instr));
instr.opcode = VKD3D_SM4_OP_SAMPLE;
+ if (texel_offset)
+ {
+ struct sm4_instruction_modifier modif;
+ int valid_aoffimmi = 1;
+
+ if (texel_offset->type != HLSL_IR_CONSTANT)
+ valid_aoffimmi = 0;
+ else
+ {
+ 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;
+ instr.modifiers[instr.modifier_count] = modif;
+ instr.modifier_count++;
+
+ valid_aoffimmi &= -8 <= modif.aoffimmi.u && modif.aoffimmi.u <= 7;
+ valid_aoffimmi &= -8 <= modif.aoffimmi.v && modif.aoffimmi.v <= 7;
+ valid_aoffimmi &= -8 <= modif.aoffimmi.w && modif.aoffimmi.w <= 7;
+ }
+
+ if (!valid_aoffimmi)
+ {
+ hlsl_error(ctx, &texel_offset->loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE,
+ "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;
@@ -1626,6 +1659,7 @@ 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)
{
@@ -1657,7 +1691,8 @@ 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;
}
}
--
2.25.1
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