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wined3d: Use ARB_explicit_attrib_location to pre-assign vertex attribute locations. 

Signed-off-by: Józef Kucia <jkucia@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Józef Kucia 2016-05-31 23:29:54 +02:00 committed by Alexandre Julliard
parent a0658efb61
commit 519d459b72
2 changed files with 77 additions and 53 deletions
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79
dlls/wined3d/glsl_shader.c
View File

@ -1584,6 +1584,11 @@ static BOOL needs_legacy_glsl_syntax(const struct wined3d_gl_info *gl_info)
return gl_info->supported[WINED3D_GL_LEGACY_CONTEXT];
}
static BOOL shader_glsl_use_explicit_attrib_location(const struct wined3d_gl_info *gl_info)
{
return !needs_legacy_glsl_syntax(gl_info) && gl_info->supported[ARB_EXPLICIT_ATTRIB_LOCATION];
}
static const char *get_attribute_keyword(const struct wined3d_gl_info *gl_info)
{
return needs_legacy_glsl_syntax(gl_info) ? "attribute" : "in";
@ -1715,6 +1720,46 @@ static void shader_glsl_declare_typed_vertex_attribute(struct wined3d_string_buf
index, scalar_type, scalar_type, index);
}
static void shader_glsl_declare_generic_vertex_attribute(struct wined3d_string_buffer *buffer,
const struct wined3d_gl_info *gl_info, const struct wined3d_shader_signature_element *e)
{
unsigned int index = e->register_idx;
if (e->sysval_semantic == WINED3D_SV_VERTEX_ID)
{
shader_addline(buffer, "vec4 vs_in%u = vec4(intBitsToFloat(gl_VertexID), 0.0, 0.0, 0.0);\n",
index);
return;
}
if (e->sysval_semantic == WINED3D_SV_INSTANCE_ID)
{
shader_addline(buffer, "vec4 vs_in%u = vec4(intBitsToFloat(gl_InstanceID), 0.0, 0.0, 0.0);\n",
index);
return;
}
if (shader_glsl_use_explicit_attrib_location(gl_info))
shader_addline(buffer, "layout(location = %u) ", index);
switch (e->component_type)
{
case WINED3D_TYPE_UINT:
shader_glsl_declare_typed_vertex_attribute(buffer, gl_info, "uvec", "uint", index);
break;
case WINED3D_TYPE_INT:
shader_glsl_declare_typed_vertex_attribute(buffer, gl_info, "ivec", "int", index);
break;
default:
FIXME("Unhandled type %#x.\n", e->component_type);
/* Fall through. */
case WINED3D_TYPE_UNKNOWN:
case WINED3D_TYPE_FLOAT:
shader_addline(buffer, "%s vec4 vs_in%u;\n", get_attribute_keyword(gl_info), index);
break;
}
}
/** 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,
@ -1964,34 +2009,7 @@ static void shader_generate_glsl_declarations(const struct wined3d_context *cont
if (version->type == WINED3D_SHADER_TYPE_VERTEX)
{
for (i = 0; i < shader->input_signature.element_count; ++i)
{
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);
}
}
shader_glsl_declare_generic_vertex_attribute(buffer, gl_info, &shader->input_signature.elements[i]);
if (vs_args->point_size && !vs_args->per_vertex_point_size)
{
@ -5809,6 +5827,8 @@ static GLuint shader_glsl_generate_vshader(const struct wined3d_context *context
if (gl_info->supported[ARB_DRAW_INSTANCED])
shader_addline(buffer, "#extension GL_ARB_draw_instanced : enable\n");
if (gl_info->supported[ARB_EXPLICIT_ATTRIB_LOCATION])
shader_addline(buffer, "#extension GL_ARB_explicit_attrib_location : enable\n");
if (gl_info->supported[ARB_SHADER_BIT_ENCODING])
shader_addline(buffer, "#extension GL_ARB_shader_bit_encoding : enable\n");
if (gl_info->supported[ARB_TEXTURE_QUERY_LEVELS])
@ -7605,6 +7625,8 @@ static void set_glsl_shader_program(const struct wined3d_context *context, const
attribs_map = (1u << WINED3D_FFP_ATTRIBS_COUNT) - 1;
}
if (!shader_glsl_use_explicit_attrib_location(gl_info))
{
/* Bind vertex attributes to a corresponding index number to match
* the same index numbers as ARB_vertex_programs (makes loading
* vertex attributes simpler). With this method, we can use the
@ -7632,6 +7654,7 @@ static void set_glsl_shader_program(const struct wined3d_context *context, const
}
checkGLcall("glBindAttribLocation");
string_buffer_release(&priv->string_buffers, tmp_name);
}
if (gshader)
{

1
include/wine/wined3d.h
View File

@ -765,6 +765,7 @@ enum wined3d_sysval_semantic
enum wined3d_component_type
{
WINED3D_TYPE_UNKNOWN = 0,
WINED3D_TYPE_UINT = 1,
WINED3D_TYPE_INT = 2,
WINED3D_TYPE_FLOAT = 3,