[PATCH 5/5] wined3d: Use d3d_info to determine whether shader outputs need interpolation qualifiers.

[Henri Verbeet]

Signed-off-by: Henri Verbeet <hverbeet(a)codeweavers.com>
---
 dlls/wined3d/adapter_gl.c      |  1 +
 dlls/wined3d/glsl_shader.c     | 10 ++++++++++
 dlls/wined3d/shader.c          | 15 ++++++---------
 dlls/wined3d/wined3d_private.h | 17 +++++------------
 4 files changed, 22 insertions(+), 21 deletions(-)

diff --git a/dlls/wined3d/adapter_gl.c b/dlls/wined3d/adapter_gl.c
index a0167f0b00b..5f6d673bfdf 100644
--- a/dlls/wined3d/adapter_gl.c
+++ b/dlls/wined3d/adapter_gl.c
@@ -3770,6 +3770,7 @@ static BOOL wined3d_adapter_init_gl_caps(struct wined3d_adapter *adapter,
     d3d_info->limits.ps_uniform_count = shader_caps.ps_uniform_count;
     d3d_info->limits.varying_count = shader_caps.varying_count;
     d3d_info->shader_double_precision = !!(shader_caps.wined3d_caps & WINED3D_SHADER_CAP_DOUBLE_PRECISION);
+    d3d_info->shader_output_interpolation = !!(shader_caps.wined3d_caps & WINED3D_SHADER_CAP_OUTPUT_INTERPOLATION);
 
     d3d_info->viewport_array_index_any_shader = !!gl_info->supported[ARB_SHADER_VIEWPORT_LAYER_ARRAY];
 
diff --git a/dlls/wined3d/glsl_shader.c b/dlls/wined3d/glsl_shader.c
index 1acb6c74bf6..41cf157e84c 100644
--- a/dlls/wined3d/glsl_shader.c
+++ b/dlls/wined3d/glsl_shader.c
@@ -1979,6 +1979,14 @@ static void shader_glsl_declare_shader_inputs(const struct wined3d_gl_info *gl_i
     }
 }
 
+static BOOL needs_interpolation_qualifiers_for_shader_outputs(const struct wined3d_gl_info *gl_info)
+{
+    /* In GLSL 4.40+ it is fine to specify interpolation qualifiers only in
+     * fragment shaders. In older GLSL versions interpolation qualifiers must
+     * match between shader stages. */
+    return gl_info->glsl_version < MAKEDWORD_VERSION(4, 40);
+}
+
 static void shader_glsl_declare_shader_outputs(const struct wined3d_gl_info *gl_info,
         struct wined3d_string_buffer *buffer, unsigned int element_count, BOOL rasterizer_setup,
         const DWORD *interpolation_mode)
@@ -11108,6 +11116,8 @@ static void shader_glsl_get_caps(const struct wined3d_adapter *adapter, struct s
      * shader_glsl_alloc(). */
     caps->wined3d_caps = WINED3D_SHADER_CAP_VS_CLIPPING
             | WINED3D_SHADER_CAP_SRGB_WRITE;
+    if (needs_interpolation_qualifiers_for_shader_outputs(gl_info))
+        caps->wined3d_caps |= WINED3D_SHADER_CAP_OUTPUT_INTERPOLATION;
 }
 
 static BOOL shader_glsl_color_fixup_supported(struct color_fixup_desc fixup)
diff --git a/dlls/wined3d/shader.c b/dlls/wined3d/shader.c
index 973941b8d9e..1d8540e5e94 100644
--- a/dlls/wined3d/shader.c
+++ b/dlls/wined3d/shader.c
@@ -3505,10 +3505,10 @@ HRESULT CDECL wined3d_shader_set_local_constants_float(struct wined3d_shader *sh
 }
 
 static void init_interpolation_compile_args(DWORD *interpolation_args,
-        const struct wined3d_shader *pixel_shader, const struct wined3d_gl_info *gl_info)
+        const struct wined3d_shader *pixel_shader, const struct wined3d_d3d_info *d3d_info)
 {
-    if (!needs_interpolation_qualifiers_for_shader_outputs(gl_info)
-            || !pixel_shader || pixel_shader->reg_maps.shader_version.major < 4)
+    if (!d3d_info->shader_output_interpolation || !pixel_shader
+            || pixel_shader->reg_maps.shader_version.major < 4)
     {
         memset(interpolation_args, 0, sizeof(pixel_shader->u.ps.interpolation_mode));
         return;
@@ -3525,7 +3525,6 @@ void find_vs_compile_args(const struct wined3d_state *state, const struct wined3
     const struct wined3d_shader *pixel_shader = state->shader[WINED3D_SHADER_TYPE_PIXEL];
     const struct wined3d_shader *hull_shader = state->shader[WINED3D_SHADER_TYPE_HULL];
     const struct wined3d_d3d_info *d3d_info = context->d3d_info;
-    const struct wined3d_gl_info *gl_info = context->gl_info;
 
     args->fog_src = state->render_states[WINED3D_RS_FOGTABLEMODE]
             == WINED3D_FOG_NONE ? VS_FOG_COORD : VS_FOG_Z;
@@ -3548,7 +3547,7 @@ void find_vs_compile_args(const struct wined3d_state *state, const struct wined3
         args->flatshading = 0;
 
     init_interpolation_compile_args(args->interpolation_mode,
-            args->next_shader_type == WINED3D_SHADER_TYPE_PIXEL ? pixel_shader : NULL, gl_info);
+            args->next_shader_type == WINED3D_SHADER_TYPE_PIXEL ? pixel_shader : NULL, d3d_info);
 }
 
 static BOOL match_usage(BYTE usage1, BYTE usage_idx1, BYTE usage2, BYTE usage_idx2)
@@ -3865,7 +3864,6 @@ void find_ds_compile_args(const struct wined3d_state *state, const struct wined3
     const struct wined3d_shader *geometry_shader = state->shader[WINED3D_SHADER_TYPE_GEOMETRY];
     const struct wined3d_shader *pixel_shader = state->shader[WINED3D_SHADER_TYPE_PIXEL];
     const struct wined3d_shader *hull_shader = state->shader[WINED3D_SHADER_TYPE_HULL];
-    const struct wined3d_gl_info *gl_info = context->gl_info;
 
     args->tessellator_output_primitive = hull_shader->u.hs.tessellator_output_primitive;
     args->tessellator_partitioning = hull_shader->u.hs.tessellator_partitioning;
@@ -3877,7 +3875,7 @@ void find_ds_compile_args(const struct wined3d_state *state, const struct wined3
     args->render_offscreen = context->render_offscreen;
 
     init_interpolation_compile_args(args->interpolation_mode,
-            args->next_shader_type == WINED3D_SHADER_TYPE_PIXEL ? pixel_shader : NULL, gl_info);
+            args->next_shader_type == WINED3D_SHADER_TYPE_PIXEL ? pixel_shader : NULL, context->d3d_info);
 
     args->padding = 0;
 }
@@ -3886,14 +3884,13 @@ void find_gs_compile_args(const struct wined3d_state *state, const struct wined3
         struct gs_compile_args *args, const struct wined3d_context *context)
 {
     const struct wined3d_shader *pixel_shader = state->shader[WINED3D_SHADER_TYPE_PIXEL];
-    const struct wined3d_gl_info *gl_info = context->gl_info;
 
     args->output_count = pixel_shader ? pixel_shader->limits->packed_input : shader->limits->packed_output;
 
     if (!(args->primitive_type = shader->u.gs.input_type))
         args->primitive_type = d3d_primitive_type_from_gl(state->gl_primitive_type);
 
-    init_interpolation_compile_args(args->interpolation_mode, pixel_shader, gl_info);
+    init_interpolation_compile_args(args->interpolation_mode, pixel_shader, context->d3d_info);
 }
 
 void find_ps_compile_args(const struct wined3d_state *state, const struct wined3d_shader *shader,
diff --git a/dlls/wined3d/wined3d_private.h b/dlls/wined3d/wined3d_private.h
index 782d91da772..52a59e0419c 100644
--- a/dlls/wined3d/wined3d_private.h
+++ b/dlls/wined3d/wined3d_private.h
@@ -205,6 +205,7 @@ struct wined3d_d3d_info
     unsigned int vs_clipping : 1;
     unsigned int shader_color_key : 1;
     unsigned int shader_double_precision : 1;
+    unsigned int shader_output_interpolation : 1;
     unsigned int viewport_array_index_any_shader : 1;
     unsigned int texture_npot : 1;
     unsigned int texture_npot_conditional : 1;
@@ -1298,9 +1299,10 @@ BOOL shader_get_stream_output_register_info(const struct wined3d_shader *shader,
 
 typedef void (*SHADER_HANDLER)(const struct wined3d_shader_instruction *);
 
-#define WINED3D_SHADER_CAP_VS_CLIPPING      0x00000001
-#define WINED3D_SHADER_CAP_SRGB_WRITE       0x00000002
-#define WINED3D_SHADER_CAP_DOUBLE_PRECISION 0x00000004
+#define WINED3D_SHADER_CAP_VS_CLIPPING              0x00000001u
+#define WINED3D_SHADER_CAP_SRGB_WRITE               0x00000002u
+#define WINED3D_SHADER_CAP_DOUBLE_PRECISION         0x00000004u
+#define WINED3D_SHADER_CAP_OUTPUT_INTERPOLATION     0x00000008u
 
 struct shader_caps
 {
@@ -4838,15 +4840,6 @@ static inline BOOL can_use_texture_swizzle(const struct wined3d_d3d_info *d3d_in
     return d3d_info->texture_swizzle && !is_complex_fixup(format->color_fixup) && !is_scaling_fixup(format->color_fixup);
 }
 
-static inline BOOL needs_interpolation_qualifiers_for_shader_outputs(const struct wined3d_gl_info *gl_info)
-{
-    /* In GLSL 4.40+ it is fine to specify interpolation qualifiers only in
-     * fragment shaders. In older GLSL versions interpolation qualifiers must
-     * match between shader stages.
-     */
-    return gl_info->glsl_version < MAKEDWORD_VERSION(4, 40);
-}
-
 static inline BOOL is_rasterization_disabled(const struct wined3d_shader *geometry_shader)
 {
     return geometry_shader
-- 
2.11.0