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vkd3d-shader/ir: Lower SM1 SINCOS to SM4 SINCOS.

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This commit is contained in:
Shaun Ren 2024-07-09 18:29:29 -04:00 committed by Henri Verbeet
parent 5a53b73995
commit b3a11a9ec4
Notes: Henri Verbeet 2024-07-16 19:57:03 +02:00 
Approved-by: Elizabeth Figura (@zfigura)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/923
1 changed files with 57 additions and 0 deletions
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57
libs/vkd3d-shader/ir.c
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@ -377,6 +377,58 @@ static enum vkd3d_result vsir_program_lower_precise_mad(struct vsir_program *pro
return VKD3D_OK;
}
static enum vkd3d_result vsir_program_lower_sm1_sincos(struct vsir_program *program,
struct vkd3d_shader_instruction *sincos)
{
struct vkd3d_shader_instruction_array *instructions = &program->instructions;
size_t pos = sincos - instructions->elements;
struct vkd3d_shader_instruction *ins;
unsigned int s;
if (sincos->dst_count != 1)
return VKD3D_OK;
if (!shader_instruction_array_insert_at(instructions, pos + 1, 1))
return VKD3D_ERROR_OUT_OF_MEMORY;
ins = &instructions->elements[pos + 1];
if (!(vsir_instruction_init_with_params(program, ins, &sincos->location, VKD3DSIH_SINCOS, 2, 1)))
return VKD3D_ERROR_OUT_OF_MEMORY;
ins->flags = sincos->flags;
*ins->src = *sincos->src;
/* Set the source swizzle to replicate the first component. */
s = vsir_swizzle_get_component(sincos->src->swizzle, 0);
ins->src->swizzle = vkd3d_shader_create_swizzle(s, s, s, s);
if (sincos->dst->write_mask & VKD3DSP_WRITEMASK_1)
{
ins->dst[0] = *sincos->dst;
ins->dst[0].write_mask = VKD3DSP_WRITEMASK_1;
}
else
{
vsir_dst_param_init(&ins->dst[0], VKD3DSPR_NULL, VKD3D_DATA_UNUSED, 0);
}
if (sincos->dst->write_mask & VKD3DSP_WRITEMASK_0)
{
ins->dst[1] = *sincos->dst;
ins->dst[1].write_mask = VKD3DSP_WRITEMASK_0;
}
else
{
vsir_dst_param_init(&ins->dst[1], VKD3DSPR_NULL, VKD3D_DATA_UNUSED, 0);
}
/* Make the original instruction no-op */
vkd3d_shader_instruction_make_nop(sincos);
return VKD3D_OK;
}
static enum vkd3d_result vsir_program_lower_instructions(struct vsir_program *program,
struct vkd3d_shader_message_context *message_context)
{
@ -410,6 +462,11 @@ static enum vkd3d_result vsir_program_lower_instructions(struct vsir_program *pr
vkd3d_shader_instruction_make_nop(ins);
break;
case VKD3DSIH_SINCOS:
if ((ret = vsir_program_lower_sm1_sincos(program, ins)) < 0)
return ret;
break;
default:
break;
}