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vkd3d-shader/glsl: Implement VKD3DSIH_FRC.

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This commit is contained in:
Henri Verbeet 2024-04-28 18:53:51 +02:00
parent 36c08b47e9
commit 7b99c33510
Notes: Henri Verbeet 2024-09-23 15:56:22 +02:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1097
2 changed files with 20 additions and 1 deletions
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19
libs/vkd3d-shader/glsl.c
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@ -417,6 +417,22 @@ static void shader_glsl_binop(struct vkd3d_glsl_generator *gen,
glsl_dst_cleanup(&dst, &gen->string_buffers);
}
static void shader_glsl_intrinsic(struct vkd3d_glsl_generator *gen,
const struct vkd3d_shader_instruction *ins, const char *op)
{
struct glsl_src src;
struct glsl_dst dst;
uint32_t mask;
mask = glsl_dst_init(&dst, gen, ins, &ins->dst[0]);
glsl_src_init(&src, gen, &ins->src[0], mask);
shader_glsl_print_assignment(gen, &dst, "%s(%s)", op, src.str->buffer);
glsl_src_cleanup(&src, &gen->string_buffers);
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)
{
@ -614,6 +630,9 @@ static void vkd3d_glsl_handle_instruction(struct vkd3d_glsl_generator *gen,
case VKD3DSIH_DIV:
shader_glsl_binop(gen, ins, "/");
break;
case VKD3DSIH_FRC:
shader_glsl_intrinsic(gen, ins, "fract");
break;
case VKD3DSIH_GEO:
shader_glsl_relop(gen, ins, ">=", "greaterThanEqual");
break;

2
tests/hlsl/frac.shader_test
View File

@ -8,5 +8,5 @@ float4 main() : sv_target
[test]
uniform 0 float4 -1.1 1.6 1.3 0.5
todo(glsl) draw quad
draw quad
probe (0, 0) rgba (0.9, 0.6, 0.3, 0.5) 2