From: Nikolay Sivov nsivov@codeweavers.com
--- Makefile.am | 1 + libs/vkd3d-shader/hlsl.c | 1 + libs/vkd3d-shader/hlsl.h | 1 + libs/vkd3d-shader/hlsl.y | 12 ++++++++++ libs/vkd3d-shader/hlsl_sm4.c | 5 ++++ tests/hlsl-trunc.shader_test | 44 ++++++++++++++++++++++++++++++++++++ 6 files changed, 64 insertions(+) create mode 100644 tests/hlsl-trunc.shader_test
diff --git a/Makefile.am b/Makefile.am index bff65a85..9f28bf83 100644 --- a/Makefile.am +++ b/Makefile.am @@ -120,6 +120,7 @@ vkd3d_shader_tests = \ tests/hlsl-struct-semantics.shader_test \ tests/hlsl-ternary.shader_test \ tests/hlsl-transpose.shader_test \ + tests/hlsl-trunc.shader_test \ tests/hlsl-type-names.shader_test \ tests/hlsl-vector-indexing.shader_test \ tests/hlsl-vector-indexing-uniform.shader_test \ diff --git a/libs/vkd3d-shader/hlsl.c b/libs/vkd3d-shader/hlsl.c index 5f683767..e3e9f3ac 100644 --- a/libs/vkd3d-shader/hlsl.c +++ b/libs/vkd3d-shader/hlsl.c @@ -2299,6 +2299,7 @@ const char *debug_hlsl_expr_op(enum hlsl_ir_expr_op op) [HLSL_OP1_SIN] = "sin", [HLSL_OP1_SIN_REDUCED] = "sin_reduced", [HLSL_OP1_SQRT] = "sqrt", + [HLSL_OP1_TRUNC] = "trunc",
[HLSL_OP2_ADD] = "+", [HLSL_OP2_BIT_AND] = "&", diff --git a/libs/vkd3d-shader/hlsl.h b/libs/vkd3d-shader/hlsl.h index 7a13c46f..b07193c7 100644 --- a/libs/vkd3d-shader/hlsl.h +++ b/libs/vkd3d-shader/hlsl.h @@ -490,6 +490,7 @@ enum hlsl_ir_expr_op HLSL_OP1_SIN, HLSL_OP1_SIN_REDUCED, /* Reduced range [-pi, pi] */ HLSL_OP1_SQRT, + HLSL_OP1_TRUNC,
HLSL_OP2_ADD, HLSL_OP2_BIT_AND, diff --git a/libs/vkd3d-shader/hlsl.y b/libs/vkd3d-shader/hlsl.y index 45bc545f..c57bdc3e 100644 --- a/libs/vkd3d-shader/hlsl.y +++ b/libs/vkd3d-shader/hlsl.y @@ -3270,6 +3270,17 @@ static bool intrinsic_transpose(struct hlsl_ctx *ctx, return true; }
+static bool intrinsic_trunc(struct hlsl_ctx *ctx, + const struct parse_initializer *params, const struct vkd3d_shader_location *loc) +{ + struct hlsl_ir_node *arg; + + if (!(arg = intrinsic_float_convert_arg(ctx, params, params->args[0], loc))) + return false; + + return !!add_unary_arithmetic_expr(ctx, params->instrs, HLSL_OP1_TRUNC, arg, loc); +} + static const struct intrinsic_function { const char *name; @@ -3316,6 +3327,7 @@ intrinsic_functions[] = {"tex2D", -1, false, intrinsic_tex2D}, {"tex3D", -1, false, intrinsic_tex3D}, {"transpose", 1, true, intrinsic_transpose}, + {"trunc", 1, true, intrinsic_trunc}, };
static int intrinsic_function_name_compare(const void *a, const void *b) diff --git a/libs/vkd3d-shader/hlsl_sm4.c b/libs/vkd3d-shader/hlsl_sm4.c index 22b6f6b9..7ca02da3 100644 --- a/libs/vkd3d-shader/hlsl_sm4.c +++ b/libs/vkd3d-shader/hlsl_sm4.c @@ -1817,6 +1817,11 @@ static void write_sm4_expr(struct hlsl_ctx *ctx, write_sm4_unary_op(buffer, VKD3D_SM4_OP_SQRT, &expr->node, arg1, 0); break;
+ case HLSL_OP1_TRUNC: + assert(type_is_float(dst_type)); + write_sm4_unary_op(buffer, VKD3D_SM4_OP_ROUND_Z, &expr->node, arg1, 0); + break; + case HLSL_OP2_ADD: switch (dst_type->base_type) { diff --git a/tests/hlsl-trunc.shader_test b/tests/hlsl-trunc.shader_test new file mode 100644 index 00000000..419608fb --- /dev/null +++ b/tests/hlsl-trunc.shader_test @@ -0,0 +1,44 @@ +[pixel shader] +float4 main(uniform float4 u) : sv_target +{ + return trunc(u); +} + +[test] +uniform 0 float4 -0.5 6.5 7.5 3.4 +draw quad +probe all rgba (0.0, 6.0, 7.0, 3.0) +uniform 0 float4 -1.5 6.5 7.5 3.4 +draw quad +probe all rgba (-1.0, 6.0, 7.0, 3.0) + +[pixel shader] +float4 main(uniform float4 u) : sv_target +{ + float a = trunc(u.r); + int2 b = trunc(u.gb); + float4 res = float4(b, a, u.a); + return trunc(res); +} + +[test] +uniform 0 float4 -0.5 6.5 7.5 3.4 +draw quad +probe all rgba (6.0, 7.0, 0.0, 3.0) + +[require] +shader model >= 4.0 + +[pixel shader] +float4 main(uniform int4 u) : sv_target +{ + float a = trunc(u.r); + int2 b = trunc(u.gb); + float4 res = float4(b, a, u.a); + return trunc(res); +} + +[test] +uniform 0 int4 -1 6 7 3 +draw quad +probe all rgba (6.0, 7.0, -1.0, 3.0)