wined3d: Use pure integer vertex attributes for SM4+ shaders.

dlls/wined3d/directx.c

@@ -3080,6 +3080,7 @@ static void load_gl_funcs(struct wined3d_gl_info *gl_info)
     USE_GL_FUNC(glVertexAttrib4sv)          /* OpenGL 2.0 */
     USE_GL_FUNC(glVertexAttrib4ubv)         /* OpenGL 2.0 */
     USE_GL_FUNC(glVertexAttribDivisor)      /* OpenGL 3.3 */
+    USE_GL_FUNC(glVertexAttribIPointer)     /* OpenGL 3.0 */
     USE_GL_FUNC(glVertexAttribPointer)      /* OpenGL 2.0 */
 #undef USE_GL_FUNC
 
@@ -3194,6 +3195,7 @@ static void load_gl_funcs(struct wined3d_gl_info *gl_info)
     MAP_GL_FUNCTION(glVertexAttrib4sv, glVertexAttrib4svARB);
     MAP_GL_FUNCTION(glVertexAttrib4ubv, glVertexAttrib4ubvARB);
     MAP_GL_FUNCTION(glVertexAttribDivisor, glVertexAttribDivisorARB);
+    MAP_GL_FUNCTION(glVertexAttribIPointer, glVertexAttribIPointerEXT);
     MAP_GL_FUNCTION(glVertexAttribPointer, glVertexAttribPointerARB);
 #undef MAP_GL_FUNCTION
 #undef MAP_GL_FUNCTION_CAST

dlls/wined3d/glsl_shader.c

@@ -1705,6 +1705,16 @@ static BOOL glsl_is_shadow_sampler(const struct wined3d_shader *shader,
         return version->type == WINED3D_SHADER_TYPE_PIXEL && (ps_args->shadow & (1u << resource_idx));
 }
 
+static void shader_glsl_declare_typed_vertex_attribute(struct wined3d_string_buffer *buffer,
+        const struct wined3d_gl_info *gl_info, const char *vector_type, const char *scalar_type,
+        unsigned int index)
+{
+    shader_addline(buffer, "%s %s4 vs_in_%s%u;\n",
+            get_attribute_keyword(gl_info), vector_type, scalar_type, index);
+    shader_addline(buffer, "vec4 vs_in%u = %sBitsToFloat(vs_in_%s%u);\n",
+            index, scalar_type, scalar_type, index);
+}
+
 /** Generate the variable & register declarations for the GLSL output target */
 static void shader_generate_glsl_declarations(const struct wined3d_context *context,
         struct wined3d_string_buffer *buffer, const struct wined3d_shader *shader,
@@ -1957,14 +1967,30 @@ static void shader_generate_glsl_declarations(const struct wined3d_context *cont
         {
             const struct wined3d_shader_signature_element *e = &shader->input_signature.elements[i];
             if (e->sysval_semantic == WINED3D_SV_VERTEX_ID)
+            {
                 shader_addline(buffer, "vec4 %s_in%u = vec4(intBitsToFloat(gl_VertexID), 0.0, 0.0, 0.0);\n",
                         prefix, e->register_idx);
+            }
             else if (e->sysval_semantic == WINED3D_SV_INSTANCE_ID)
+            {
                 shader_addline(buffer, "vec4 %s_in%u = vec4(intBitsToFloat(gl_InstanceID), 0.0, 0.0, 0.0);\n",
                         prefix, e->register_idx);
+            }
+            else if (e->component_type == WINED3D_TYPE_UINT)
+            {
+                shader_glsl_declare_typed_vertex_attribute(buffer, gl_info, "uvec", "uint", e->register_idx);
+            }
+            else if (e->component_type == WINED3D_TYPE_INT)
+            {
+                shader_glsl_declare_typed_vertex_attribute(buffer, gl_info, "ivec", "int", e->register_idx);
+            }
             else
+            {
+                if (e->component_type && e->component_type != WINED3D_TYPE_FLOAT)
+                    FIXME("Unhandled type %#x.\n", e->component_type);
                 shader_addline(buffer, "%s vec4 %s_in%u;\n",
                         get_attribute_keyword(gl_info), prefix, e->register_idx);
+            }
         }
 
         if (vs_args->point_size && !vs_args->per_vertex_point_size)
@@ -7596,6 +7622,13 @@ static void set_glsl_shader_program(const struct wined3d_context *context, const
 
         string_buffer_sprintf(tmp_name, "vs_in%u", i);
         GL_EXTCALL(glBindAttribLocation(program_id, i, tmp_name->buffer));
+        if (vshader && vshader->reg_maps.shader_version.major >= 4)
+        {
+            string_buffer_sprintf(tmp_name, "vs_in_uint%u", i);
+            GL_EXTCALL(glBindAttribLocation(program_id, i, tmp_name->buffer));
+            string_buffer_sprintf(tmp_name, "vs_in_int%u", i);
+            GL_EXTCALL(glBindAttribLocation(program_id, i, tmp_name->buffer));
+        }
     }
     checkGLcall("glBindAttribLocation");
     string_buffer_release(&priv->string_buffers, tmp_name);

dlls/wined3d/shader.c

@@ -308,7 +308,7 @@ static void shader_signature_from_semantic(struct wined3d_shader_signature_eleme
     e->semantic_name = shader_semantic_name_from_usage(s->usage);
     e->semantic_idx = s->usage_idx;
     e->sysval_semantic = shader_sysval_semantic_from_usage(s->usage);
-    e->component_type = 0;
+    e->component_type = WINED3D_TYPE_FLOAT;
     e->register_idx = s->reg.reg.idx[0].offset;
     e->mask = s->reg.write_mask;
 }
@@ -319,7 +319,7 @@ static void shader_signature_from_usage(struct wined3d_shader_signature_element
     e->semantic_name = shader_semantic_name_from_usage(usage);
     e->semantic_idx = usage_idx;
     e->sysval_semantic = shader_sysval_semantic_from_usage(usage);
-    e->component_type = 0;
+    e->component_type = WINED3D_TYPE_FLOAT;
     e->register_idx = reg_idx;
     e->mask = write_mask;
 }

dlls/wined3d/state.c

@@ -3963,15 +3963,17 @@ static void unload_numbered_arrays(struct wined3d_context *context)
 static void load_numbered_arrays(struct wined3d_context *context,
         const struct wined3d_stream_info *stream_info, const struct wined3d_state *state)
 {
+    const struct wined3d_shader *vs = state->shader[WINED3D_SHADER_TYPE_VERTEX];
     const struct wined3d_gl_info *gl_info = context->gl_info;
     GLuint curVBO = gl_info->supported[ARB_VERTEX_BUFFER_OBJECT] ? ~0U : 0;
-    int i;
+    unsigned int i;
 
     /* Default to no instancing */
     context->instance_count = 0;
 
-    for (i = 0; i < MAX_ATTRIBS; i++)
+    for (i = 0; i < MAX_ATTRIBS; ++i)
     {
+        const struct wined3d_stream_info_element *element = &stream_info->elements[i];
         const struct wined3d_stream_state *stream;
 
         if (!(stream_info->use_map & (1u << i)))
@@ -3985,16 +3987,16 @@ static void load_numbered_arrays(struct wined3d_context *context,
             continue;
         }
 
-        stream = &state->streams[stream_info->elements[i].stream_idx];
+        stream = &state->streams[element->stream_idx];
 
         if ((stream->flags & WINED3DSTREAMSOURCE_INSTANCEDATA) && !context->instance_count)
             context->instance_count = state->streams[0].frequency ? state->streams[0].frequency : 1;
 
         if (gl_info->supported[ARB_INSTANCED_ARRAYS])
         {
-            GL_EXTCALL(glVertexAttribDivisor(i, stream_info->elements[i].divisor));
+            GL_EXTCALL(glVertexAttribDivisor(i, element->divisor));
         }
-        else if (stream_info->elements[i].divisor)
+        else if (element->divisor)
         {
             /* Unload instanced arrays, they will be loaded using
              * immediate mode instead. */
@@ -4003,25 +4005,32 @@ static void load_numbered_arrays(struct wined3d_context *context,
             continue;
         }
 
-        TRACE_(d3d_shader)("Loading array %u [VBO=%u]\n", i, stream_info->elements[i].data.buffer_object);
+        TRACE_(d3d_shader)("Loading array %u [VBO=%u].\n", i, element->data.buffer_object);
 
-        if (stream_info->elements[i].stride)
+        if (element->stride)
         {
-            if (curVBO != stream_info->elements[i].data.buffer_object)
+            if (curVBO != element->data.buffer_object)
             {
-                GL_EXTCALL(glBindBuffer(GL_ARRAY_BUFFER, stream_info->elements[i].data.buffer_object));
+                GL_EXTCALL(glBindBuffer(GL_ARRAY_BUFFER, element->data.buffer_object));
                 checkGLcall("glBindBuffer");
-                curVBO = stream_info->elements[i].data.buffer_object;
+                curVBO = element->data.buffer_object;
             }
             /* Use the VBO to find out if a vertex buffer exists, not the vb
              * pointer. vb can point to a user pointer data blob. In that case
              * curVBO will be 0. If there is a vertex buffer but no vbo we
              * won't be load converted attributes anyway. */
-            GL_EXTCALL(glVertexAttribPointer(i, stream_info->elements[i].format->gl_vtx_format,
-                    stream_info->elements[i].format->gl_vtx_type,
-                    stream_info->elements[i].format->gl_normalized,
-                    stream_info->elements[i].stride, stream_info->elements[i].data.addr
-                    + state->load_base_vertex_index * stream_info->elements[i].stride));
+            if (vs && vs->reg_maps.shader_version.major >= 4
+                    && (element->format->flags[WINED3D_GL_RES_TYPE_BUFFER] & WINED3DFMT_FLAG_INTEGER))
+            {
+                GL_EXTCALL(glVertexAttribIPointer(i, element->format->gl_vtx_format, element->format->gl_vtx_type,
+                        element->stride, element->data.addr + state->load_base_vertex_index * element->stride));
+            }
+            else
+            {
+                GL_EXTCALL(glVertexAttribPointer(i, element->format->gl_vtx_format, element->format->gl_vtx_type,
+                        element->format->gl_normalized, element->stride,
+                        element->data.addr + state->load_base_vertex_index * element->stride));
+            }
 
             if (!(context->numbered_array_mask & (1u << i)))
             {
@@ -4035,15 +4044,14 @@ static void load_numbered_arrays(struct wined3d_context *context,
              * glVertexAttribPointer doesn't do that. Instead disable the
              * pointer and set up the attribute statically. But we have to
              * figure out the system memory address. */
-            const BYTE *ptr = stream_info->elements[i].data.addr;
-            if (stream_info->elements[i].data.buffer_object)
-            {
+            const BYTE *ptr = element->data.addr;
+            if (element->data.buffer_object)
                 ptr += (ULONG_PTR)buffer_get_sysmem(stream->buffer, context);
-            }
 
-            if (context->numbered_array_mask & (1u << i)) unload_numbered_array(context, i);
+            if (context->numbered_array_mask & (1u << i))
+                unload_numbered_array(context, i);
 
-            switch (stream_info->elements[i].format->id)
+            switch (element->format->id)
             {
                 case WINED3DFMT_R32_FLOAT:
                     GL_EXTCALL(glVertexAttrib1fv(i, (const GLfloat *)ptr));
@@ -4103,11 +4111,11 @@ static void load_numbered_arrays(struct wined3d_context *context,
                     break;
 
                 case WINED3DFMT_R10G10B10A2_UINT:
-                    FIXME("Unsure about WINED3DDECLTYPE_UDEC3\n");
+                    FIXME("Unsure about WINED3DDECLTYPE_UDEC3.\n");
                     /*glVertexAttrib3usvARB(i, (const GLushort *)ptr); Does not exist */
                     break;
                 case WINED3DFMT_R10G10B10A2_SNORM:
-                    FIXME("Unsure about WINED3DDECLTYPE_DEC3N\n");
+                    FIXME("Unsure about WINED3DDECLTYPE_DEC3N.\n");
                     /*glVertexAttrib3NusvARB(i, (const GLushort *)ptr); Does not exist */
                     break;
 
@@ -4141,7 +4149,7 @@ static void load_numbered_arrays(struct wined3d_context *context,
                     break;
 
                 default:
-                    ERR("Unexpected declaration in stride 0 attributes\n");
+                    ERR("Unexpected declaration in stride 0 attributes.\n");
                     break;
 
             }

include/wine/wined3d.h

@@ -763,6 +763,13 @@ enum wined3d_sysval_semantic
     WINED3D_SV_LINE_DENSITY_TESS_FACTOR     = 22,
 };
 
+enum wined3d_component_type
+{
+    WINED3D_TYPE_UINT  = 1,
+    WINED3D_TYPE_INT   = 2,
+    WINED3D_TYPE_FLOAT = 3,
+};
+
 enum wined3d_scanline_ordering
 {
     WINED3D_SCANLINE_ORDERING_UNKNOWN       = 0,
@@ -1915,7 +1922,7 @@ struct wined3d_shader_signature_element
     const char *semantic_name;
     UINT semantic_idx;
     enum wined3d_sysval_semantic sysval_semantic;
-    DWORD component_type;
+    enum wined3d_component_type component_type;
     UINT register_idx;
     DWORD mask;
 };