Conor McCarthy : tests/shader-runner: Check for float64 support in the d3d11 runner.

[Alexandre Julliard]

Module: vkd3d
Branch: master
Commit: cd43cb3752d414bb990ed39a5fbb95ffebd3f39b
URL:    https://gitlab.winehq.org/wine/vkd3d/-/commit/cd43cb3752d414bb990ed39a5fbb95...

Author: Conor McCarthy 
Date:   Thu Dec 14 18:47:23 2023 +1000

tests/shader-runner: Check for float64 support in the d3d11 runner.

---

tests/shader_runner_d3d11.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/tests/shader_runner_d3d11.c b/tests/shader_runner_d3d11.c
index abe45520..1a62b20c 100644
--- a/tests/shader_runner_d3d11.c
+++ b/tests/shader_runner_d3d11.c
@@ -65,6 +65,8 @@ struct d3d11_shader_runner
     IDXGISwapChain *swapchain;
     ID3D11DeviceContext *immediate_context;
     ID3D11RasterizerState *rasterizer_state;
+
+    bool supports_float64;
 };

static struct d3d11_shader_runner *d3d11_shader_runner(struct shader_runner *r)
@@ -252,6 +254,7 @@ static IDXGISwapChain *create_swapchain(ID3D11Device *device, HWND window)

static BOOL init_test_context(struct d3d11_shader_runner *runner)
 {
+    D3D11_FEATURE_DATA_DOUBLES doubles = {0};
     unsigned int rt_width, rt_height;
     D3D11_RASTERIZER_DESC rs_desc;
     D3D11_VIEWPORT vp;
@@ -266,6 +269,12 @@ static BOOL init_test_context(struct d3d11_shader_runner *runner)
         return FALSE;
     }

+    hr = ID3D11Device_CheckFeatureSupport(runner->device, D3D11_FEATURE_DOUBLES,
+            &doubles, sizeof(doubles));
+    ok(hr == S_OK, "Failed to check double precision feature support, hr %#lx.\n", hr);
+    trace("DoublePrecisionFloatShaderOps: %u.\n", doubles.DoublePrecisionFloatShaderOps);
+    runner->supports_float64 = doubles.DoublePrecisionFloatShaderOps;
+
     rt_width = RENDER_TARGET_WIDTH;
     rt_height = RENDER_TARGET_HEIGHT;
     SetRect(&rect, 0, 0, rt_width, rt_height);
@@ -313,6 +322,16 @@ static void destroy_test_context(struct d3d11_shader_runner *runner)
     ok(!ref, "Device has %lu references left.\n", ref);
 }

+static bool d3d11_runner_check_requirements(struct shader_runner *r)
+{
+    struct d3d11_shader_runner *runner = d3d11_shader_runner(r);
+
+    if (runner->r.require_float64 && !runner->supports_float64)
+        return false;
+
+    return true;
+}
+
 static ID3D11Buffer *create_buffer(ID3D11Device *device, unsigned int bind_flags, unsigned int size, const void *data)
 {
     D3D11_SUBRESOURCE_DATA resource_data;
@@ -724,6 +743,7 @@ static void d3d11_runner_release_readback(struct shader_runner *r, struct resour

static const struct shader_runner_ops d3d11_runner_ops =
 {
+    .check_requirements = d3d11_runner_check_requirements,
     .create_resource = d3d11_runner_create_resource,
     .destroy_resource = d3d11_runner_destroy_resource,
     .dispatch = d3d11_runner_dispatch,