tests: Test point sprite.

Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1188

Makefile.am

@@ -190,6 +190,7 @@ vkd3d_shader_tests = \
 	tests/hlsl/object-field-offsets.shader_test \
 	tests/hlsl/object-parameters.shader_test \
 	tests/hlsl/object-references.shader_test \
+	tests/hlsl/point-sprite.shader_test \
 	tests/hlsl/pointer-cast.shader_test \
 	tests/hlsl/pow.shader_test \
 	tests/hlsl/precise-modifier.shader_test \

tests/hlsl/point-sprite.shader_test

@@ -0,0 +1,48 @@
+[require]
+point-size
+% For tex2D() with newer shader models.
+options: backcompat
+shader model < 6.0
+
+[sampler 0]
+filter linear linear linear
+address clamp clamp clamp
+
+[srv 0]
+size (2d, 2, 2)
+1 1 0 1     0 1 1 1
+1 0 0 1     1 0 1 1
+
+[vertex shader]
+float4 main(out float2 t : texcoord) : sv_position
+{
+    t = float2(1, 1);
+    return float4(0, 0, 0, 1);
+}
+
+[pixel shader]
+sampler2D s;
+
+float4 main(float2 t : texcoord) : sv_target
+{
+    return tex2D(s, t);
+}
+
+[test]
+clear rtv 0  0 0 0 0
+point-size 30.0 1.0 64.0
+point-sprite off
+draw point list 1
+probe (310, 230) rgba (1, 0, 1, 1)
+probe (330, 230) rgba (1, 0, 1, 1)
+probe (310, 250) rgba (1, 0, 1, 1)
+probe (330, 250) rgba (1, 0, 1, 1)
+
+clear rtv 0  0 0 0 0
+point-size 30.0 1.0 64.0
+point-sprite on
+draw point list 1
+probe (310, 230) rgba (1, 1, 0, 1)
+probe (330, 230) rgba (0, 1, 1, 1)
+probe (310, 250) rgba (1, 0, 0, 1)
+probe (330, 250) rgba (1, 0, 1, 1)

tests/shader_runner.c

@@ -1335,6 +1335,13 @@ static void parse_test_directive(struct shader_runner *runner, const char *line)
         line = rest;
         runner->point_size_max = strtof(line, &rest);
     }
+    else if (match_string(line, "point-sprite", &line))
+    {
+        if (match_string(line, "on", &line))
+            runner->point_sprite = true;
+        else
+            runner->point_sprite = false;
+    }
     else
     {
         fatal_error("Unknown test directive '%s'.\n", line);

tests/shader_runner.h

@@ -224,6 +224,7 @@ struct shader_runner
     uint8_t clip_plane_mask;
     struct vec4 clip_planes[8];
     float point_size, point_size_min, point_size_max;
+    bool point_sprite;
 };
 
 struct shader_runner_ops

tests/shader_runner_d3d9.c

@@ -492,6 +492,8 @@ static bool d3d9_runner_draw(struct shader_runner *r,
     ok(hr == D3D_OK, "Failed to set render state, hr %#lx.\n", hr);
     hr = IDirect3DDevice9_SetRenderState(device, D3DRS_POINTSIZE_MAX, float_to_int(runner->r.point_size_max));
     ok(hr == D3D_OK, "Failed to set render state, hr %#lx.\n", hr);
+    hr = IDirect3DDevice9_SetRenderState(device, D3DRS_POINTSPRITEENABLE, runner->r.point_sprite);
+    ok(hr == D3D_OK, "Failed to set render state, hr %#lx.\n", hr);
 
     hr = IDirect3DDevice9_CreateVertexDeclaration(device, decl_elements, &vertex_declaration);
     ok(hr == D3D_OK, "Failed to create vertex declaration, hr %#lx.\n", hr);

tests/shader_runner_vulkan.c

@@ -274,7 +274,7 @@ static bool compile_shader(struct vulkan_shader_runner *runner, const char *sour
     enum vkd3d_shader_spirv_extension spirv_extensions[2];
     struct vkd3d_shader_resource_binding *binding;
     struct vkd3d_shader_compile_option options[3];
-    struct vkd3d_shader_parameter1 parameters[16];
+    struct vkd3d_shader_parameter1 parameters[17];
     struct vkd3d_shader_compile_option *option;
     unsigned int i, compile_options;
     char profile[7];
@@ -472,6 +472,11 @@ static bool compile_shader(struct vulkan_shader_runner *runner, const char *sour
     parameters[15].data_type = VKD3D_SHADER_PARAMETER_DATA_TYPE_FLOAT32;
     parameters[15].u.immediate_constant.u.f32 = runner->r.point_size_max;
 
+    parameters[16].name = VKD3D_SHADER_PARAMETER_NAME_POINT_SPRITE;
+    parameters[16].type = VKD3D_SHADER_PARAMETER_TYPE_IMMEDIATE_CONSTANT;
+    parameters[16].data_type = VKD3D_SHADER_PARAMETER_DATA_TYPE_UINT32;
+    parameters[16].u.immediate_constant.u.u32 = runner->r.point_sprite;
+
     parameter_info.parameter_count = ARRAY_SIZE(parameters);
     parameter_info.parameters = parameters;