glsl: Change _mesa_glsl_parse_state ctor to use gl_shader_stage enum.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>

v2: Also rename "target" param to "stage".

Reviewed-by: Brian Paul <brianp@vmware.com>

src/glsl/glsl_parser_extras.cpp

 
 
 _mesa_glsl_parse_state::_mesa_glsl_parse_state(struct gl_context *_ctx,
-					       GLenum target, void *mem_ctx)
+					       gl_shader_stage stage,
+                                               void *mem_ctx)
    : ctx(_ctx), switch_state()
 {
-   switch (target) {
-   case GL_VERTEX_SHADER:   this->stage = MESA_SHADER_VERTEX; break;
-   case GL_FRAGMENT_SHADER: this->stage = MESA_SHADER_FRAGMENT; break;
-   case GL_GEOMETRY_SHADER: this->stage = MESA_SHADER_GEOMETRY; break;
-   }
+   assert(stage < MESA_SHADER_STAGES);
+   this->stage = stage;
 
    this->scanner = NULL;
    this->translation_unit.make_empty();
                           bool dump_ast, bool dump_hir)
 {
    struct _mesa_glsl_parse_state *state =
-      new(shader) _mesa_glsl_parse_state(ctx, shader->Type, shader);
+      new(shader) _mesa_glsl_parse_state(ctx, shader->Stage, shader);
    const char *source = shader->Source;
 
    state->error = glcpp_preprocess(state, &source, &state->info_log,

src/glsl/glsl_parser_extras.h

 
 
 struct _mesa_glsl_parse_state {
-   _mesa_glsl_parse_state(struct gl_context *_ctx, GLenum target,
+   _mesa_glsl_parse_state(struct gl_context *_ctx, gl_shader_stage stage,
 			  void *mem_ctx);
 
    DECLARE_RALLOC_CXX_OPERATORS(_mesa_glsl_parse_state);

src/glsl/main.cpp

 compile_shader(struct gl_context *ctx, struct gl_shader *shader)
 {
    struct _mesa_glsl_parse_state *state =
-      new(shader) _mesa_glsl_parse_state(ctx, shader->Type, shader);
+      new(shader) _mesa_glsl_parse_state(ctx, shader->Stage, shader);
 
    _mesa_glsl_compile_shader(ctx, shader, dump_ast, dump_hir);
 

src/glsl/test_optpass.cpp

    string input = read_stdin_to_eof();
 
    struct _mesa_glsl_parse_state *state
-      = new(shader) _mesa_glsl_parse_state(ctx, shader->Type, shader);
+      = new(shader) _mesa_glsl_parse_state(ctx, shader->Stage, shader);
 
    if (input_format_ir) {
       shader->ir = new(shader) exec_list;

src/glsl/tests/builtin_variable_test.cpp

    this->shader->Stage = _mesa_shader_enum_to_shader_stage(this->shader_type);
 
    this->state =
-      new(mem_ctx) _mesa_glsl_parse_state(&this->ctx, this->shader->Type,
+      new(mem_ctx) _mesa_glsl_parse_state(&this->ctx, this->shader->Stage,
                                           this->shader);
 
    _mesa_glsl_initialize_types(this->state);

src/mesa/main/ff_fragment_shader.cpp

    p.mem_ctx = ralloc_context(NULL);
    p.shader = ctx->Driver.NewShader(ctx, 0, GL_FRAGMENT_SHADER);
    p.shader->ir = new(p.shader) exec_list;
-   state = new(p.shader) _mesa_glsl_parse_state(ctx, GL_FRAGMENT_SHADER,
+   state = new(p.shader) _mesa_glsl_parse_state(ctx, MESA_SHADER_FRAGMENT,
 						p.shader);
    p.shader->symbols = state->symbols;
    p.top_instructions = p.shader->ir;