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vkd3d-shader/glsl: Implement VKD3DSIH_NEU.

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This commit is contained in:
Henri Verbeet
2024-04-22 21:41:23 +02:00
parent 9777c8bc65
commit 2409966ff2
Notes: Henri Verbeet 2024-09-20 17:32:27 +02:00 
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1091
3 changed files with 34 additions and 7 deletions
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27
libs/vkd3d-shader/glsl.c
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@@ -385,6 +385,30 @@ static void shader_glsl_binop(struct vkd3d_glsl_generator *gen,
glsl_dst_cleanup(&dst, &gen->string_buffers);
}
static void shader_glsl_relop(struct vkd3d_glsl_generator *gen,
const struct vkd3d_shader_instruction *ins, const char *scalar_op, const char *vector_op)
{
unsigned int mask_size;
struct glsl_src src[2];
struct glsl_dst dst;
uint32_t mask;
mask = glsl_dst_init(&dst, gen, ins, &ins->dst[0]);
glsl_src_init(&src[0], gen, &ins->src[0], mask);
glsl_src_init(&src[1], gen, &ins->src[1], mask);
if ((mask_size = vsir_write_mask_component_count(mask)) > 1)
shader_glsl_print_assignment(gen, &dst, "uvec%u(%s(%s, %s)) * 0xffffffffu",
mask_size, vector_op, src[0].str->buffer, src[1].str->buffer);
else
shader_glsl_print_assignment(gen, &dst, "%s %s %s ? 0xffffffffu : 0u",
src[0].str->buffer, scalar_op, src[1].str->buffer);
glsl_src_cleanup(&src[1], &gen->string_buffers);
glsl_src_cleanup(&src[0], &gen->string_buffers);
glsl_dst_cleanup(&dst, &gen->string_buffers);
}
static void shader_glsl_mov(struct vkd3d_glsl_generator *gen, const struct vkd3d_shader_instruction *ins)
{
struct glsl_src src;
@@ -555,6 +579,9 @@ static void vkd3d_glsl_handle_instruction(struct vkd3d_glsl_generator *gen,
case VKD3DSIH_DCL_OUTPUT_SIV:
case VKD3DSIH_NOP:
break;
case VKD3DSIH_NEU:
shader_glsl_relop(gen, ins, "!=", "notEqual");
break;
case VKD3DSIH_MOV:
shader_glsl_mov(gen, ins);
break;