d3d11: Use shader model 4

Since shader model 4 is sufficient for the current pixel shader
implementations, prebuild HLSL with shader model 4 as well.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5709>

subprojects/gst-plugins-bad/gst-libs/gst/d3d11/gstd3d11device.cpp

@@ -1677,7 +1677,6 @@ gst_d3d11_device_get_pixel_shader_uncached (GstD3D11Device * device,
       "Creating pixel shader for token %" G_GINT64_FORMAT ", source:\n%s",
       token, source);
 
-  if (priv->feature_level >= D3D_FEATURE_LEVEL_11_0) {
   if (bytecode && bytecode_size > 1) {
     data = bytecode;
     size = bytecode_size;
@@ -1692,34 +1691,6 @@ gst_d3d11_device_get_pixel_shader_uncached (GstD3D11Device * device,
     data = blob->GetBufferPointer ();
     size = blob->GetBufferSize ();
   }
-  } else {
-    ComPtr < ID3DBlob > error_msg;
-    const gchar *target;
-    if (priv->feature_level >= D3D_FEATURE_LEVEL_10_0)
-      target = "ps_4_0";
-    else if (priv->feature_level >= D3D_FEATURE_LEVEL_9_3)
-      target = "ps_4_0_level_9_3";
-    else
-      target = "ps_4_0_level_9_1";
-
-    hr = gst_d3d11_compile (source, source_size, nullptr, defines,
-        nullptr, entry_point, target, 0, 0, &blob, &error_msg);
-    if (!gst_d3d11_result (hr, device)) {
-      const gchar *err = nullptr;
-
-      if (error_msg)
-        err = (const gchar *) error_msg->GetBufferPointer ();
-
-      GST_ERROR_OBJECT (device,
-          "Couldn't compile code, hr: 0x%x, error detail: %s, source code: \n%s",
-          (guint) hr, GST_STR_NULL (err), source);
-
-      return hr;
-    }
-
-    data = blob->GetBufferPointer ();
-    size = blob->GetBufferSize ();
-  }
 
   hr = priv->device->CreatePixelShader (data, size, nullptr, &shader);
   if (!gst_d3d11_result (hr, device))
@@ -1779,6 +1750,9 @@ gst_d3d11_device_get_vertex_shader (GstD3D11Device * device, gint64 token,
   HRESULT hr;
   ComPtr < ID3D11VertexShader > shader;
   ComPtr < ID3D11InputLayout > input_layout;
+  ComPtr < ID3DBlob > blob;
+  const void *data;
+  gsize size;
 
   GST_DEBUG_OBJECT (device, "Getting vertext shader \"%s\" for token %"
       G_GINT64_FORMAT, entry_point, token);
@@ -1800,11 +1774,6 @@ gst_d3d11_device_get_vertex_shader (GstD3D11Device * device, gint64 token,
       "Creating vertex shader for token %" G_GINT64_FORMAT ", shader: \n%s",
       token, source);
 
-  if (priv->feature_level >= D3D_FEATURE_LEVEL_11_0) {
-    ComPtr < ID3DBlob > blob;
-    const void *data;
-    gsize size;
-
   if (bytecode && bytecode_size > 1) {
     data = bytecode;
     size = bytecode_size;
@@ -1828,12 +1797,6 @@ gst_d3d11_device_get_vertex_shader (GstD3D11Device * device, gint64 token,
       size, &input_layout);
   if (!gst_d3d11_result (hr, device))
     return hr;
-  } else {
-    hr = gst_d3d11_create_vertex_shader_simple (device, source, entry_point,
-        input_desc, desc_len, &shader, &input_layout);
-    if (!gst_d3d11_result (hr, device))
-      return hr;
-  }
 
   GST_DEBUG_OBJECT (device, "Created vertex shader \"%s\" for token %"
       G_GINT64_FORMAT, entry_point, token);

subprojects/gst-plugins-bad/gst-libs/gst/d3d11/gstd3d11shadercache.cpp

@@ -49,7 +49,7 @@ gst_d3d11_shader_cache_get_pixel_shader_blob (gint64 token,
   }
 
   HRESULT hr = gst_d3d11_compile (source, source_size, nullptr, defines,
-      nullptr, entry_point, "ps_5_0", 0, 0, blob, nullptr);
+      nullptr, entry_point, "ps_4_0", 0, 0, blob, nullptr);
   if (FAILED (hr))
     return hr;
 
@@ -74,7 +74,7 @@ gst_d3d11_shader_cache_get_vertex_shader_blob (gint64 token,
   }
 
   HRESULT hr = gst_d3d11_compile (source, source_size, nullptr, nullptr,
-      nullptr, entry_point, "vs_5_0", 0, 0, blob, nullptr);
+      nullptr, entry_point, "vs_4_0", 0, 0, blob, nullptr);
   if (FAILED (hr))
     return hr;
 

subprojects/gst-plugins-bad/gst-libs/gst/d3d11/hlsl/meson.build

@@ -83,7 +83,7 @@ foreach input_format : hlsl_ps_input_formats
         output : header,
         command : [fxc, '/Fh', '@OUTPUT@',
                   '/E', entry_point,
-                  '/T', 'ps_5_0',
+                  '/T', 'ps_4_0',
                   '/D', 'BUILDING_HLSL=1',
                   '/D', 'OUTPUT_TYPE=@0@'.format(output_type),
                   '/D', 'ENTRY_POINT=@0@'.format(entry_point),
@@ -109,7 +109,7 @@ generated_collection = custom_target(header_collection,
 hlsl_precompiled += generated_collection
 
 hlsl_vs_sources = [
-  [files('VSMain_converter.hlsl'), 'VSMain_converter', 'vs_5_0'],
+  [files('VSMain_converter.hlsl'), 'VSMain_converter', 'vs_4_0'],
 ]
 
 foreach shader : hlsl_vs_sources

subprojects/gst-plugins-bad/sys/d3d11/hlsl/meson.build

@@ -1,15 +1,15 @@
 hlsl_sources = [
-  ['PSMain_checker_luma', 'ps_5_0'],
+  ['PSMain_checker_luma', 'ps_4_0'],
-  ['PSMain_checker_rgb', 'ps_5_0'],
+  ['PSMain_checker_rgb', 'ps_4_0'],
-  ['PSMain_checker_vuya', 'ps_5_0'],
+  ['PSMain_checker_vuya', 'ps_4_0'],
-  ['PSMain_checker', 'ps_5_0'],
+  ['PSMain_checker', 'ps_4_0'],
-  ['PSMain_color', 'ps_5_0'],
+  ['PSMain_color', 'ps_4_0'],
-  ['PSMain_sample_premul', 'ps_5_0'],
+  ['PSMain_sample_premul', 'ps_4_0'],
-  ['PSMain_sample', 'ps_5_0'],
+  ['PSMain_sample', 'ps_4_0'],
-  ['PSMain_snow', 'ps_5_0'],
+  ['PSMain_snow', 'ps_4_0'],
-  ['VSMain_color', 'vs_5_0'],
+  ['VSMain_color', 'vs_4_0'],
-  ['VSMain_coord', 'vs_5_0'],
+  ['VSMain_coord', 'vs_4_0'],
-  ['VSMain_pos', 'vs_5_0'],
+  ['VSMain_pos', 'vs_4_0'],
 ]
 
 foreach shader : hlsl_sources