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glsl: add OES_viewport_array enables and use them to expose gl_ViewportIndex

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Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
This commit is contained in:
Ilia Mirkin
2016-09-16 13:59:27 -04:00
parent 411a72d4a2
commit 70aef97f9e
2 changed files with 8 additions and 3 deletions
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9
src/compiler/glsl/builtin_variables.cpp
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@@ -876,7 +876,8 @@ builtin_variable_generator::generate_constants()
}
if (state->is_version(410, 0) ||
state->ARB_viewport_array_enable)
state->ARB_viewport_array_enable ||
state->OES_viewport_array_enable)
add_const("gl_MaxViewports", state->Const.MaxViewports);
if (state->has_tessellation_shader()) {
@@ -1096,7 +1097,8 @@ builtin_variable_generator::generate_gs_special_vars()
var = add_output(VARYING_SLOT_LAYER, int_t, "gl_Layer");
var->data.interpolation = INTERP_MODE_FLAT;
if (state->is_version(410, 0) || state->ARB_viewport_array_enable) {
if (state->is_version(410, 0) || state->ARB_viewport_array_enable ||
state->OES_viewport_array_enable) {
var = add_output(VARYING_SLOT_VIEWPORT, int_t, "gl_ViewportIndex");
var->data.interpolation = INTERP_MODE_FLAT;
}
@@ -1226,7 +1228,8 @@ builtin_variable_generator::generate_fs_special_vars()
}
if (state->is_version(430, 0) ||
state->ARB_fragment_layer_viewport_enable) {
state->ARB_fragment_layer_viewport_enable ||
state->OES_viewport_array_enable) {
var = add_input(VARYING_SLOT_VIEWPORT, int_t, "gl_ViewportIndex");
var->data.interpolation = INTERP_MODE_FLAT;
}

2
src/compiler/glsl/glsl_parser_extras.h
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@@ -698,6 +698,8 @@ struct _mesa_glsl_parse_state {
bool OES_texture_cube_map_array_warn;
bool OES_texture_storage_multisample_2d_array_enable;
bool OES_texture_storage_multisample_2d_array_warn;
bool OES_viewport_array_enable;
bool OES_viewport_array_warn;
/* All other extensions go here, sorted alphabetically.
*/