Nikolay Sivov : vkd3d-shader/hlsl: Implement tex*grad() functions.

[Alexandre Julliard]

Module: vkd3d
Branch: master
Commit: 2176294df87c7b368cae639d0861769b2c4bdc17
URL:    https://gitlab.winehq.org/wine/vkd3d/-/commit/2176294df87c7b368cae639d086176...

Author: Nikolay Sivov <nsivov(a)codeweavers.com>
Date:   Fri Jun 28 12:06:53 2024 +0200

vkd3d-shader/hlsl: Implement tex*grad() functions.

Signed-off-by: Nikolay Sivov <nsivov(a)codeweavers.com>

---

 libs/vkd3d-shader/hlsl.y           | 28 ++++++++++++++++++++++++++++
 tests/hlsl/sample-grad.shader_test | 20 ++++++++++++++++++++
 2 files changed, 48 insertions(+)

diff --git a/libs/vkd3d-shader/hlsl.y b/libs/vkd3d-shader/hlsl.y
index da3b1b1e..b9f0deda 100644
--- a/libs/vkd3d-shader/hlsl.y
+++ b/libs/vkd3d-shader/hlsl.y
@@ -4449,6 +4449,12 @@ static bool intrinsic_tex1D(struct hlsl_ctx *ctx,
     return intrinsic_tex(ctx, params, loc, "tex1D", HLSL_SAMPLER_DIM_1D);
 }
 
+static bool intrinsic_tex1Dgrad(struct hlsl_ctx *ctx,
+        const struct parse_initializer *params, const struct vkd3d_shader_location *loc)
+{
+    return intrinsic_tex(ctx, params, loc, "tex1Dgrad", HLSL_SAMPLER_DIM_1D);
+}
+
 static bool intrinsic_tex2D(struct hlsl_ctx *ctx,
         const struct parse_initializer *params, const struct vkd3d_shader_location *loc)
 {
@@ -4461,6 +4467,12 @@ static bool intrinsic_tex2Dbias(struct hlsl_ctx *ctx,
     return intrinsic_tex(ctx, params, loc, "tex2Dbias", HLSL_SAMPLER_DIM_2D);
 }
 
+static bool intrinsic_tex2Dgrad(struct hlsl_ctx *ctx,
+        const struct parse_initializer *params, const struct vkd3d_shader_location *loc)
+{
+    return intrinsic_tex(ctx, params, loc, "tex2Dgrad", HLSL_SAMPLER_DIM_2D);
+}
+
 static bool intrinsic_tex2Dlod(struct hlsl_ctx *ctx,
         const struct parse_initializer *params, const struct vkd3d_shader_location *loc)
 {
@@ -4479,6 +4491,12 @@ static bool intrinsic_tex3D(struct hlsl_ctx *ctx,
     return intrinsic_tex(ctx, params, loc, "tex3D", HLSL_SAMPLER_DIM_3D);
 }
 
+static bool intrinsic_tex3Dgrad(struct hlsl_ctx *ctx,
+        const struct parse_initializer *params, const struct vkd3d_shader_location *loc)
+{
+    return intrinsic_tex(ctx, params, loc, "tex3Dgrad", HLSL_SAMPLER_DIM_3D);
+}
+
 static bool intrinsic_tex3Dproj(struct hlsl_ctx *ctx,
         const struct parse_initializer *params, const struct vkd3d_shader_location *loc)
 {
@@ -4491,6 +4509,12 @@ static bool intrinsic_texCUBE(struct hlsl_ctx *ctx,
     return intrinsic_tex(ctx, params, loc, "texCUBE", HLSL_SAMPLER_DIM_CUBE);
 }
 
+static bool intrinsic_texCUBEgrad(struct hlsl_ctx *ctx,
+        const struct parse_initializer *params, const struct vkd3d_shader_location *loc)
+{
+    return intrinsic_tex(ctx, params, loc, "texCUBEgrad", HLSL_SAMPLER_DIM_CUBE);
+}
+
 static bool intrinsic_texCUBEproj(struct hlsl_ctx *ctx,
         const struct parse_initializer *params, const struct vkd3d_shader_location *loc)
 {
@@ -4680,13 +4704,17 @@ intrinsic_functions[] =
     {"tan",                                 1, true,  intrinsic_tan},
     {"tanh",                                1, true,  intrinsic_tanh},
     {"tex1D",                              -1, false, intrinsic_tex1D},
+    {"tex1Dgrad",                           4, false, intrinsic_tex1Dgrad},
     {"tex2D",                              -1, false, intrinsic_tex2D},
     {"tex2Dbias",                           2, false, intrinsic_tex2Dbias},
+    {"tex2Dgrad",                           4, false, intrinsic_tex2Dgrad},
     {"tex2Dlod",                            2, false, intrinsic_tex2Dlod},
     {"tex2Dproj",                           2, false, intrinsic_tex2Dproj},
     {"tex3D",                              -1, false, intrinsic_tex3D},
+    {"tex3Dgrad",                           4, false, intrinsic_tex3Dgrad},
     {"tex3Dproj",                           2, false, intrinsic_tex3Dproj},
     {"texCUBE",                            -1, false, intrinsic_texCUBE},
+    {"texCUBEgrad",                         4, false, intrinsic_texCUBEgrad},
     {"texCUBEproj",                         2, false, intrinsic_texCUBEproj},
     {"transpose",                           1, true,  intrinsic_transpose},
     {"trunc",                               1, true,  intrinsic_trunc},
diff --git a/tests/hlsl/sample-grad.shader_test b/tests/hlsl/sample-grad.shader_test
index c51e7cac..c15e4b0c 100644
--- a/tests/hlsl/sample-grad.shader_test
+++ b/tests/hlsl/sample-grad.shader_test
@@ -35,6 +35,26 @@ uniform 0 float4 2.0 2.0 2.0 2.0
 todo(glsl) draw quad
 probe (0,0) rgba (0.0, 0.0, 1.0, 0.0)
 
+[pixel shader fail(sm>=6)]
+sampler s;
+float4 grad;
+
+float4 main() : sv_target
+{
+    return tex2Dgrad(s, float2(0.5, 0.5), grad.xy, grad.zw);
+}
+
+[test]
+uniform 0 float4 0.0 0.0 0.0 0.0
+todo(glsl) draw quad
+probe (0,0) rgba (1.0, 0.0, 1.0, 0.0)
+uniform 0 float4 1.0 1.0 1.0 1.0
+todo(glsl) draw quad
+probe (0,0) rgba (0.0, 0.0, 1.0, 0.0)
+uniform 0 float4 2.0 2.0 2.0 2.0
+todo(glsl) draw quad
+probe (0,0) rgba (0.0, 0.0, 1.0, 0.0)
+
 [require]
 shader model >= 4.0