#ifndef GLSL_PARSER_EXTRAS_H
#define GLSL_PARSER_EXTRAS_H
-#include <cstdlib>
+/*
+ * Most of the definitions here only apply to C++
+ */
+#ifdef __cplusplus
+
+
+#include <stdlib.h>
#include "glsl_symbol_table.h"
enum _mesa_glsl_parser_targets {
vertex_shader,
geometry_shader,
- fragment_shader,
- ir_shader
+ fragment_shader
};
+struct gl_context;
+
struct _mesa_glsl_parse_state {
+ _mesa_glsl_parse_state(struct gl_context *ctx, GLenum target,
+ void *mem_ctx);
+
+ /* Callers of this ralloc-based new need not call delete. It's
+ * easier to just ralloc_free 'ctx' (or any of its ancestors). */
+ static void* operator new(size_t size, void *ctx)
+ {
+ void *mem = rzalloc_size(ctx, size);
+ assert(mem != NULL);
+
+ return mem;
+ }
+
+ /* If the user *does* call delete, that's OK, we will just
+ * ralloc_free in that case. */
+ static void operator delete(void *mem)
+ {
+ ralloc_free(mem);
+ }
+
void *scanner;
exec_list translation_unit;
glsl_symbol_table *symbols;
+ bool es_shader;
unsigned language_version;
+ const char *version_string;
enum _mesa_glsl_parser_targets target;
+ /**
+ * Printable list of GLSL versions supported by the current context
+ *
+ * \note
+ * This string should probably be generated per-context instead of per
+ * invokation of the compiler. This should be changed when the method of
+ * tracking supported GLSL versions changes.
+ */
+ const char *supported_version_string;
+
+ /**
+ * Implementation defined limits that affect built-in variables, etc.
+ *
+ * \sa struct gl_constants (in mtypes.h)
+ */
+ struct {
+ /* 1.10 */
+ unsigned MaxLights;
+ unsigned MaxClipPlanes;
+ unsigned MaxTextureUnits;
+ unsigned MaxTextureCoords;
+ unsigned MaxVertexAttribs;
+ unsigned MaxVertexUniformComponents;
+ unsigned MaxVaryingFloats;
+ unsigned MaxVertexTextureImageUnits;
+ unsigned MaxCombinedTextureImageUnits;
+ unsigned MaxTextureImageUnits;
+ unsigned MaxFragmentUniformComponents;
+
+ /* ARB_draw_buffers */
+ unsigned MaxDrawBuffers;
+
+ /**
+ * Set of GLSL versions supported by the current context
+ *
+ * Knowing that version X is supported doesn't mean that versions before
+ * X are also supported. Version 1.00 is only supported in an ES2
+ * context or when GL_ARB_ES2_compatibility is supported. In an OpenGL
+ * 3.0 "forward compatible" context, GLSL 1.10 and 1.20 are \b not
+ * supported.
+ */
+ /*@{*/
+ unsigned GLSL_100ES:1;
+ unsigned GLSL_110:1;
+ unsigned GLSL_120:1;
+ unsigned GLSL_130:1;
+ /*@}*/
+ } Const;
+
/**
* During AST to IR conversion, pointer to current IR function
*
*/
class ir_function_signature *current_function;
+ /** Have we found a return statement in this function? */
+ bool found_return;
+
/** Was there an error during compilation? */
bool error;
- /** Index of last generated anonymous temporary. */
- unsigned temp_index;
+ /**
+ * Are all shader inputs / outputs invariant?
+ *
+ * This is set when the 'STDGL invariant(all)' pragma is used.
+ */
+ bool all_invariant;
/** Loop or switch statement containing the current instructions. */
class ir_instruction *loop_or_switch_nesting;
+ class ast_iteration_statement *loop_or_switch_nesting_ast;
/** List of structures defined in user code. */
const glsl_type **user_structures;
/*@{*/
unsigned ARB_draw_buffers_enable:1;
unsigned ARB_draw_buffers_warn:1;
+ unsigned ARB_draw_instanced_enable:1;
+ unsigned ARB_draw_instanced_warn:1;
+ unsigned ARB_explicit_attrib_location_enable:1;
+ unsigned ARB_explicit_attrib_location_warn:1;
+ unsigned ARB_fragment_coord_conventions_enable:1;
+ unsigned ARB_fragment_coord_conventions_warn:1;
unsigned ARB_texture_rectangle_enable:1;
unsigned ARB_texture_rectangle_warn:1;
unsigned EXT_texture_array_enable:1;
unsigned EXT_texture_array_warn:1;
+ unsigned ARB_shader_stencil_export_enable:1;
+ unsigned ARB_shader_stencil_export_warn:1;
+ unsigned AMD_conservative_depth_enable:1;
+ unsigned AMD_conservative_depth_warn:1;
+ unsigned OES_texture_3D_enable:1;
+ unsigned OES_texture_3D_warn:1;
/*@}*/
+
+ /** Extensions supported by the OpenGL implementation. */
+ const struct gl_extensions *extensions;
+
+ /** Shaders containing built-in functions that are used for linking. */
+ struct gl_shader *builtins_to_link[16];
+ unsigned num_builtins_to_link;
};
typedef struct YYLTYPE {
# define YYLTYPE_IS_DECLARED 1
# define YYLTYPE_IS_TRIVIAL 1
+# define YYLLOC_DEFAULT(Current, Rhs, N) \
+do { \
+ if (N) \
+ { \
+ (Current).first_line = YYRHSLOC(Rhs, 1).first_line; \
+ (Current).first_column = YYRHSLOC(Rhs, 1).first_column; \
+ (Current).last_line = YYRHSLOC(Rhs, N).last_line; \
+ (Current).last_column = YYRHSLOC(Rhs, N).last_column; \
+ } \
+ else \
+ { \
+ (Current).first_line = (Current).last_line = \
+ YYRHSLOC(Rhs, 0).last_line; \
+ (Current).first_column = (Current).last_column = \
+ YYRHSLOC(Rhs, 0).last_column; \
+ } \
+ (Current).source = 0; \
+} while (0)
+
extern void _mesa_glsl_error(YYLTYPE *locp, _mesa_glsl_parse_state *state,
const char *fmt, ...);
_mesa_glsl_parse_state *state,
const char *fmt, ...);
-extern "C" {
-extern int preprocess(void *ctx, const char **shader, char **info_log);
-}
-
extern void _mesa_glsl_lexer_ctor(struct _mesa_glsl_parse_state *state,
const char *string);
extern const char *
_mesa_glsl_shader_target_name(enum _mesa_glsl_parser_targets target);
-void do_ir_to_mesa(exec_list *instructions);
+
+#endif /* __cplusplus */
+
+
+/*
+ * These definitions apply to C and C++
+ */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern int preprocess(void *ctx, const char **shader, char **info_log,
+ const struct gl_extensions *extensions, int api);
+
+extern void _mesa_destroy_shader_compiler();
+extern void _mesa_destroy_shader_compiler_caches();
+
+#ifdef __cplusplus
+}
+#endif
+
#endif /* GLSL_PARSER_EXTRAS_H */
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