diff options
Diffstat (limited to 'src/glsl/ir_variable.cpp')
| -rw-r--r-- | src/glsl/ir_variable.cpp | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/src/glsl/ir_variable.cpp b/src/glsl/ir_variable.cpp index 1eff740ef96..6b9b29458d0 100644 --- a/src/glsl/ir_variable.cpp +++ b/src/glsl/ir_variable.cpp @@ -52,6 +52,7 @@ add_variable(const char *name, enum ir_variable_mode mode, int slot, } var->location = slot; + var->explicit_location = (slot >= 0); /* Once the variable is created an initialized, add it to the symbol table * and add the declaration to the IR stream. @@ -421,6 +422,20 @@ generate_ARB_draw_buffers_variables(exec_list *instructions, } } +static void +generate_ARB_shader_stencil_export_variables(exec_list *instructions, + struct _mesa_glsl_parse_state *state, + bool warn) +{ + /* gl_FragStencilRefARB is only available in the fragment shader. + */ + ir_variable *const fd = + add_variable("gl_FragStencilRefARB", ir_var_out, FRAG_RESULT_STENCIL, + glsl_type::int_type, instructions, state->symbols); + + if (warn) + fd->warn_extension = "GL_ARB_shader_stencil_export"; +} static void generate_120_fs_variables(exec_list *instructions, @@ -470,6 +485,10 @@ initialize_fs_variables(exec_list *instructions, generate_130_fs_variables(instructions, state); break; } + + if (state->ARB_shader_stencil_export_enable) + generate_ARB_shader_stencil_export_variables(instructions, state, + state->ARB_shader_stencil_export_warn); } void @@ -485,9 +504,5 @@ _mesa_glsl_initialize_variables(exec_list *instructions, case fragment_shader: initialize_fs_variables(instructions, state); break; - case ir_shader: - fprintf(stderr, "ir reader has no builtin variables"); - exit(1); - break; } } |