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-rw-r--r--src/glsl/builtin_variables.cpp4
-rw-r--r--src/glsl/glsl_parser_extras.cpp3
-rw-r--r--src/glsl/glsl_parser_extras.h3
3 files changed, 10 insertions, 0 deletions
diff --git a/src/glsl/builtin_variables.cpp b/src/glsl/builtin_variables.cpp
index c36d19831f8..65e32ad7397 100644
--- a/src/glsl/builtin_variables.cpp
+++ b/src/glsl/builtin_variables.cpp
@@ -724,6 +724,10 @@ builtin_variable_generator::generate_constants()
add_const("gl_MaxCombinedImageUniforms",
state->Const.MaxCombinedImageUniforms);
}
+
+ if (state->is_version(410, 0) ||
+ state->ARB_viewport_array_enable)
+ add_const("gl_MaxViewports", state->Const.MaxViewports);
}
diff --git a/src/glsl/glsl_parser_extras.cpp b/src/glsl/glsl_parser_extras.cpp
index 6893c7b82cc..dd02a808e0d 100644
--- a/src/glsl/glsl_parser_extras.cpp
+++ b/src/glsl/glsl_parser_extras.cpp
@@ -135,6 +135,9 @@ _mesa_glsl_parse_state::_mesa_glsl_parse_state(struct gl_context *_ctx,
this->Const.MaxFragmentImageUniforms = ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxImageUniforms;
this->Const.MaxCombinedImageUniforms = ctx->Const.MaxCombinedImageUniforms;
+ /* ARB_viewport_array */
+ this->Const.MaxViewports = ctx->Const.MaxViewports;
+
this->current_function = NULL;
this->toplevel_ir = NULL;
this->found_return = false;
diff --git a/src/glsl/glsl_parser_extras.h b/src/glsl/glsl_parser_extras.h
index e9eb237b0b3..e04f7ced565 100644
--- a/src/glsl/glsl_parser_extras.h
+++ b/src/glsl/glsl_parser_extras.h
@@ -343,6 +343,9 @@ struct _mesa_glsl_parse_state {
unsigned MaxGeometryImageUniforms;
unsigned MaxFragmentImageUniforms;
unsigned MaxCombinedImageUniforms;
+
+ /* ARB_viewport_array */
+ unsigned MaxViewports;
} Const;
/**