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vkd3d-shader/ir: Lower SATURATE modifiers to instructions.

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This commit is contained in:
Giovanni Mascellani
2025-10-13 22:07:44 +02:00
committed by Henri Verbeet
parent 835044dd8e
commit 8b8ee542d7
Notes: Henri Verbeet 2025-10-14 16:33:38 +02:00 
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1788
2 changed files with 51 additions and 0 deletions
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18
libs/vkd3d-shader/glsl.c
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@@ -605,6 +605,21 @@ static void shader_glsl_dot(struct vkd3d_glsl_generator *gen,
glsl_dst_cleanup(&dst, &gen->string_buffers);
}
static void shader_glsl_saturate(struct vkd3d_glsl_generator *gen, const struct vkd3d_shader_instruction *ins)
{
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, "clamp(%s, 0.0, 1.0)", src.str->buffer);
glsl_src_cleanup(&src, &gen->string_buffers);
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)
{
@@ -1654,6 +1669,9 @@ static void vkd3d_glsl_handle_instruction(struct vkd3d_glsl_generator *gen,
case VSIR_OP_RSQ:
shader_glsl_intrinsic(gen, ins, "inversesqrt");
break;
case VSIR_OP_SATURATE:
shader_glsl_saturate(gen, ins);
break;
case VSIR_OP_SIN:
shader_glsl_intrinsic(gen, ins, "sin");
break;