wined3d: Implement sampleinfo for render targets.

dlls/wined3d/glsl_shader.c

@@ -6027,25 +6027,43 @@ static void shader_glsl_sample_info(const struct wined3d_shader_instruction *ins
     const struct wined3d_shader_reg_maps *reg_maps = ins->ctx->reg_maps;
     const struct wined3d_gl_info *gl_info = ins->ctx->gl_info;
     struct wined3d_string_buffer *buffer = ins->ctx->buffer;
+    const struct wined3d_shader_dst_param *dst = ins->dst;
+    const struct wined3d_shader_src_param *src = ins->src;
     enum wined3d_shader_resource_type resource_type;
     enum wined3d_data_type dst_data_type;
     unsigned int resource_idx, bind_idx;
     char dst_swizzle[6];
     DWORD write_mask;
 
-    if (!gl_info->supported[ARB_SHADER_TEXTURE_IMAGE_SAMPLES])
-    {
-        FIXME("textureSamples() is not supported.\n");
-        return;
-    }
-
-    dst_data_type = ins->dst[0].reg.data_type;
+    dst_data_type = dst->reg.data_type;
     if (ins->flags == WINED3DSI_SAMPLE_INFO_UINT)
         dst_data_type = WINED3D_DATA_UINT;
     else if (ins->flags)
         FIXME("Unhandled flags %#x.\n", ins->flags);
 
-    resource_idx = ins->src[0].reg.idx[0].offset;
+    write_mask = shader_glsl_append_dst_ext(buffer, ins, dst, dst_data_type);
+    shader_glsl_get_swizzle(src, FALSE, write_mask, dst_swizzle);
+
+    if (dst_data_type == WINED3D_DATA_UINT)
+        shader_addline(buffer, "uvec4(");
+    else
+        shader_addline(buffer, "vec4(");
+
+    if (src->reg.type == WINED3DSPR_RASTERIZER)
+    {
+        if (gl_info->supported[ARB_SAMPLE_SHADING])
+        {
+            shader_addline(buffer, "gl_NumSamples");
+        }
+        else
+        {
+            FIXME("OpenGL implementation does not support ARB_sample_shading.\n");
+            shader_addline(buffer, "1");
+        }
+    }
+    else
+    {
+        resource_idx = src->reg.idx[0].offset;
         resource_type = reg_maps->resource_info[resource_idx].type;
         if (resource_type >= ARRAY_SIZE(resource_type_info))
         {
@@ -6054,11 +6072,19 @@ static void shader_glsl_sample_info(const struct wined3d_shader_instruction *ins
         }
         bind_idx = shader_glsl_find_sampler(&reg_maps->sampler_map, resource_idx, WINED3D_SAMPLER_DEFAULT);
 
-    write_mask = shader_glsl_append_dst_ext(buffer, ins, &ins->dst[0], dst_data_type);
-    shader_glsl_get_swizzle(&ins->src[0], FALSE, write_mask, dst_swizzle);
-    shader_addline(buffer, "%s(textureSamples(%s_sampler%u), 0, 0, 0)%s);\n",
-            dst_data_type == WINED3D_DATA_UINT ? "uvec4" : "vec4",
-            shader_glsl_get_prefix(reg_maps->shader_version.type), bind_idx, dst_swizzle);
+        if (gl_info->supported[ARB_SHADER_TEXTURE_IMAGE_SAMPLES])
+        {
+            shader_addline(buffer, "textureSamples(%s_sampler%u)",
+                    shader_glsl_get_prefix(reg_maps->shader_version.type), bind_idx);
+        }
+        else
+        {
+            FIXME("textureSamples() is not supported.\n");
+            shader_addline(buffer, "1");
+        }
+    }
+
+    shader_addline(buffer, ", 0, 0, 0)%s);\n", dst_swizzle);
 }
 
 static void shader_glsl_ld(const struct wined3d_shader_instruction *ins)

dlls/wined3d/shader.c

@@ -1713,7 +1713,7 @@ static HRESULT shader_get_registers_used(struct wined3d_shader *shader, DWORD co
                         ins.src[3].reg.idx[0].offset, reg_maps->sampler_map.count);
             }
             else if ((ins.handler_idx == WINED3DSIH_BUFINFO && ins.src[0].reg.type == WINED3DSPR_RESOURCE)
-                    || ins.handler_idx == WINED3DSIH_SAMPLE_INFO)
+                    || (ins.handler_idx == WINED3DSIH_SAMPLE_INFO && ins.src[0].reg.type == WINED3DSPR_RESOURCE))
             {
                 shader_record_sample(reg_maps, ins.src[0].reg.idx[0].offset,
                         WINED3D_SAMPLER_DEFAULT, reg_maps->sampler_map.count);
@@ -2337,6 +2337,10 @@ static void shader_dump_register(struct wined3d_string_buffer *buffer,
             shader_addline(buffer, "null");
             break;
 
+        case WINED3DSPR_RASTERIZER:
+            shader_addline(buffer, "rasterizer");
+            break;
+
         case WINED3DSPR_RESOURCE:
             shader_addline(buffer, "t");
             break;

dlls/wined3d/shader_sm4.c

@@ -318,6 +318,7 @@ enum wined3d_sm4_register_type
     WINED3D_SM4_RT_PRIMID                  = 0x0b,
     WINED3D_SM4_RT_DEPTHOUT                = 0x0c,
     WINED3D_SM4_RT_NULL                    = 0x0d,
+    WINED3D_SM4_RT_RASTERIZER              = 0x0e,
     WINED3D_SM4_RT_OMASK                   = 0x0f,
     WINED3D_SM5_RT_STREAM                  = 0x10,
     WINED3D_SM5_RT_FUNCTION_BODY           = 0x11,
@@ -1132,7 +1133,7 @@ static const enum wined3d_shader_register_type register_type_table[] =
     /* WINED3D_SM4_RT_PRIMID */                  WINED3DSPR_PRIMID,
     /* WINED3D_SM4_RT_DEPTHOUT */                WINED3DSPR_DEPTHOUT,
     /* WINED3D_SM4_RT_NULL */                    WINED3DSPR_NULL,
-    /* UNKNOWN */                                ~0u,
+    /* WINED3D_SM4_RT_RASTERIZER */              WINED3DSPR_RASTERIZER,
     /* WINED3D_SM4_RT_OMASK */                   WINED3DSPR_SAMPLEMASK,
     /* WINED3D_SM5_RT_STREAM */                  WINED3DSPR_STREAM,
     /* WINED3D_SM5_RT_FUNCTION_BODY */           WINED3DSPR_FUNCTIONBODY,

dlls/wined3d/wined3d_private.h

@@ -497,6 +497,7 @@ enum wined3d_shader_register_type
     WINED3DSPR_GSINSTID,
     WINED3DSPR_DEPTHOUTGE,
     WINED3DSPR_DEPTHOUTLE,
+    WINED3DSPR_RASTERIZER,
 };
 
 enum wined3d_data_type