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vkd3d-shader/hlsl: Implement texture gather methods.

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Signed-off-by: Francisco Casas <fcasas@codeweavers.com>
Signed-off-by: Zebediah Figura <zfigura@codeweavers.com>
Signed-off-by: Giovanni Mascellani <gmascellani@codeweavers.com>
Signed-off-by: Matteo Bruni <mbruni@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Francisco Casas
2022-01-26 15:35:32 +01:00
committed by Alexandre Julliard
parent 7aa709ad57
commit 6de080088a
4 changed files with 165 additions and 1 deletions
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57
libs/vkd3d-shader/hlsl_sm4.c
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@@ -794,7 +794,7 @@ struct sm4_instruction
struct sm4_register reg;
enum vkd3d_sm4_swizzle_type swizzle_type;
unsigned int swizzle;
} srcs[3];
} srcs[4];
unsigned int src_count;
uint32_t idx[2];
@@ -1771,6 +1771,41 @@ static void write_sm4_loop(struct hlsl_ctx *ctx,
write_sm4_instruction(buffer, &instr);
}
static void write_sm4_gather(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, unsigned int swizzle, const struct hlsl_ir_node *texel_offset)
{
struct sm4_src_register *src;
struct sm4_instruction instr;
memset(&instr, 0, sizeof(instr));
instr.opcode = VKD3D_SM4_OP_GATHER4;
sm4_dst_from_node(&instr.dsts[0], dst);
instr.dst_count = 1;
sm4_src_from_node(&instr.srcs[instr.src_count++], coords, VKD3DSP_WRITEMASK_ALL);
/* FIXME: Use an aoffimmi modifier if possible. */
if (texel_offset)
{
instr.opcode = VKD3D_SM5_OP_GATHER4_PO;
sm4_src_from_node(&instr.srcs[instr.src_count++], texel_offset, VKD3DSP_WRITEMASK_ALL);
}
sm4_src_from_deref(ctx, &instr.srcs[instr.src_count++], resource, resource_type, instr.dsts[0].writemask);
src = &instr.srcs[instr.src_count++];
sm4_src_from_deref(ctx, src, sampler, sampler->var->data_type, VKD3DSP_WRITEMASK_ALL);
src->reg.dim = VKD3D_SM4_DIMENSION_VEC4;
src->swizzle_type = VKD3D_SM4_SWIZZLE_SCALAR;
src->swizzle = swizzle;
write_sm4_instruction(buffer, &instr);
}
static void write_sm4_resource_load(struct hlsl_ctx *ctx,
struct vkd3d_bytecode_buffer *buffer, const struct hlsl_ir_resource_load *load)
{
@@ -1811,6 +1846,26 @@ static void write_sm4_resource_load(struct hlsl_ctx *ctx,
write_sm4_sample(ctx, buffer, resource_type, &load->node,
&load->resource, &load->sampler, coords, texel_offset);
break;
case HLSL_RESOURCE_GATHER_RED:
write_sm4_gather(ctx, buffer, resource_type, &load->node, &load->resource,
&load->sampler, coords, HLSL_SWIZZLE(X, X, X, X), texel_offset);
break;
case HLSL_RESOURCE_GATHER_GREEN:
write_sm4_gather(ctx, buffer, resource_type, &load->node, &load->resource,
&load->sampler, coords, HLSL_SWIZZLE(Y, Y, Y, Y), texel_offset);
break;
case HLSL_RESOURCE_GATHER_BLUE:
write_sm4_gather(ctx, buffer, resource_type, &load->node, &load->resource,
&load->sampler, coords, HLSL_SWIZZLE(Z, Z, Z, Z), texel_offset);
break;
case HLSL_RESOURCE_GATHER_ALPHA:
write_sm4_gather(ctx, buffer, resource_type, &load->node, &load->resource,
&load->sampler, coords, HLSL_SWIZZLE(W, W, W, W), texel_offset);
break;
}
}