tests: Add a test for sampling from nonzero mipmap levels.

Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Henri Verbeet (@hverbeet)
Approved-by: Alexandre Julliard (@julliard)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/191

Makefile.am

@@ -157,6 +157,7 @@ vkd3d_shader_tests = \
 	tests/register-reservations.shader_test \
 	tests/return.shader_test \
 	tests/round.shader_test \
+	tests/sample-level.shader_test \
 	tests/sampler.shader_test \
 	tests/sampler-offset.shader_test \
 	tests/saturate.shader_test \

tests/sample-level.shader_test

@@ -0,0 +1,36 @@
+[require]
+shader model >= 3.0
+
+[sampler 0]
+filter linear linear linear
+address clamp clamp clamp
+
+[texture 0]
+size (2, 2)
+levels 2
+
+1.0 0.0 1.0 0.0     1.0 0.0 1.0 0.0
+1.0 0.0 1.0 0.0     1.0 0.0 1.0 0.0
+
+0.0 0.0 1.0 0.0
+
+[pixel shader todo]
+sampler s;
+Texture2D t;
+uniform float level;
+
+float4 main() : sv_target
+{
+    return t.SampleLevel(s, float2(0.5, 0.5), level);
+}
+
+[test]
+uniform 0 float4 0.0 0.0 0.0 0.0
+todo draw quad
+probe all rgba (1.0, 0.0, 1.0, 0.0)
+uniform 0 float4 0.5 0.0 0.0 0.0
+todo draw quad
+probe all rgba (0.5, 0.0, 1.0, 0.0)
+uniform 0 float4 1.0 0.0 0.0 0.0
+todo draw quad
+probe all rgba (0.0, 0.0, 1.0, 0.0)

tests/shader_runner.c

@@ -116,6 +116,7 @@ static void parse_require_directive(struct shader_runner *runner, const char *li
         static const char *const model_strings[] =
         {
             [SHADER_MODEL_2_0] = "2.0",
+            [SHADER_MODEL_3_0] = "3.0",
             [SHADER_MODEL_4_0] = "4.0",
             [SHADER_MODEL_4_1] = "4.1",
             [SHADER_MODEL_5_0] = "5.0",
@@ -747,6 +748,7 @@ static void compile_shader(struct shader_runner *runner, const char *source, siz
     static const char *const shader_models[] =
     {
         [SHADER_MODEL_2_0] = "4_0",
+        [SHADER_MODEL_3_0] = "4_0",
         [SHADER_MODEL_4_0] = "4_0",
         [SHADER_MODEL_4_1] = "4_1",
         [SHADER_MODEL_5_0] = "5_0",

tests/shader_runner.h

@@ -31,6 +31,7 @@
 enum shader_model
 {
     SHADER_MODEL_2_0,
+    SHADER_MODEL_3_0,
     SHADER_MODEL_4_0,
     SHADER_MODEL_4_1,
     SHADER_MODEL_5_0,

tests/shader_runner_d3d11.c

@@ -80,6 +80,7 @@ static ID3D10Blob *compile_shader(const char *source, const char *type, enum sha
     static const char *const shader_models[] =
     {
         [SHADER_MODEL_2_0] = "4_0",
+        [SHADER_MODEL_3_0] = "4_0",
         [SHADER_MODEL_4_0] = "4_0",
         [SHADER_MODEL_4_1] = "4_1",
         [SHADER_MODEL_5_0] = "5_0",

tests/shader_runner_d3d12.c

@@ -65,6 +65,7 @@ static ID3D10Blob *compile_shader(const struct d3d12_shader_runner *runner, cons
     static const char *const shader_models[] =
     {
         [SHADER_MODEL_2_0] = "4_0",
+        [SHADER_MODEL_3_0] = "4_0",
         [SHADER_MODEL_4_0] = "4_0",
         [SHADER_MODEL_4_1] = "4_1",
         [SHADER_MODEL_5_0] = "5_0",

tests/shader_runner_d3d9.c

@@ -56,11 +56,19 @@ static struct d3d9_shader_runner *d3d9_shader_runner(struct shader_runner *r)
 
 static IDirect3D9 *(WINAPI *pDirect3DCreate9)(UINT sdk_version);
 
-static ID3D10Blob *compile_shader(const char *source, const char *profile)
+static ID3D10Blob *compile_shader(const char *source, const char *type, enum shader_model shader_model)
 {
     ID3D10Blob *blob = NULL, *errors = NULL;
+    char profile[7];
     HRESULT hr;
 
+    static const char *const shader_models[] =
+    {
+        [SHADER_MODEL_2_0] = "2_0",
+        [SHADER_MODEL_3_0] = "3_0",
+    };
+
+    sprintf(profile, "%s_%s", type, shader_models[shader_model]);
     hr = D3DCompile(source, strlen(source), NULL, NULL, NULL, "main", profile, 0, 0, &blob, &errors);
     ok(hr == S_OK, "Failed to compile shader, hr %#lx.\n", hr);
     if (errors)
@@ -325,10 +333,10 @@ static bool d3d9_runner_draw(struct shader_runner *r,
     unsigned int i, j;
     HRESULT hr;
 
-    if (!(vs_code = compile_shader(runner->r.vs_source, "vs_2_0")))
+    if (!(vs_code = compile_shader(runner->r.vs_source, "vs", runner->r.minimum_shader_model)))
         return false;
 
-    if (!(ps_code = compile_shader(runner->r.ps_source, "ps_2_0")))
+    if (!(ps_code = compile_shader(runner->r.ps_source, "ps", runner->r.minimum_shader_model)))
     {
         ID3D10Blob_Release(vs_code);
         return false;

tests/shader_runner_vulkan.c

@@ -364,6 +364,7 @@ static bool compile_shader(const struct vulkan_shader_runner *runner, const char
     static const char *const shader_models[] =
     {
         [SHADER_MODEL_2_0] = "4_0",
+        [SHADER_MODEL_3_0] = "4_0",
         [SHADER_MODEL_4_0] = "4_0",
         [SHADER_MODEL_4_1] = "4_1",
         [SHADER_MODEL_5_0] = "5_0",