const char *
glsl_compute_version_string(void *mem_ctx, bool is_es, unsigned version);
+typedef struct YYLTYPE {
+ int first_line;
+ int first_column;
+ int last_line;
+ int last_column;
+ unsigned source;
+} YYLTYPE;
+# define YYLTYPE_IS_DECLARED 1
+# define YYLTYPE_IS_TRIVIAL 1
+
+extern void _mesa_glsl_error(YYLTYPE *locp, _mesa_glsl_parse_state *state,
+ const char *fmt, ...);
+
+
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);
- }
+ DECLARE_RALLOC_CXX_OPERATORS(_mesa_glsl_parse_state);
/**
* Generate a string representing the GLSL version currently being compiled
this->language_version);
}
+ /**
+ * Determine whether the current GLSL version is sufficiently high to
+ * support a certain feature.
+ *
+ * \param required_glsl_version is the desktop GLSL version that is
+ * required to support the feature, or 0 if no version of desktop GLSL
+ * supports the feature.
+ *
+ * \param required_glsl_es_version is the GLSL ES version that is required
+ * to support the feature, or 0 if no version of GLSL ES suports the
+ * feature.
+ */
+ bool is_version(unsigned required_glsl_version,
+ unsigned required_glsl_es_version) const
+ {
+ unsigned required_version = this->es_shader ?
+ required_glsl_es_version : required_glsl_version;
+ return required_version != 0
+ && this->language_version >= required_version;
+ }
+
+ bool check_version(unsigned required_glsl_version,
+ unsigned required_glsl_es_version,
+ YYLTYPE *locp, const char *fmt, ...) PRINTFLIKE(5, 6);
+
+ bool check_precision_qualifiers_allowed(YYLTYPE *locp)
+ {
+ return check_version(130, 100, locp,
+ "precision qualifiers are forbidden");
+ }
+
+ bool check_bitwise_operations_allowed(YYLTYPE *locp)
+ {
+ return check_version(130, 300, locp, "bit-wise operations are forbidden");
+ }
+
+ bool check_explicit_attrib_location_allowed(YYLTYPE *locp,
+ const ir_variable *var)
+ {
+ if (!this->has_explicit_attrib_location()) {
+ const char *const requirement = this->es_shader
+ ? "GLSL ES 300"
+ : "GL_ARB_explicit_attrib_location extension or GLSL 330";
+
+ _mesa_glsl_error(locp, this, "%s explicit location requires %s",
+ mode_string(var), requirement);
+ return false;
+ }
+
+ return true;
+ }
+
+ bool has_explicit_attrib_location() const
+ {
+ return ARB_explicit_attrib_location_enable || is_version(330, 300);
+ }
+
+ bool has_uniform_buffer_objects() const
+ {
+ return ARB_uniform_buffer_object_enable || is_version(140, 300);
+ }
+
+ void process_version_directive(YYLTYPE *locp, int version,
+ const char *ident);
+
struct gl_context *const ctx;
void *scanner;
exec_list translation_unit;
unsigned uniform_block_array_size;
struct gl_uniform_block *uniform_blocks;
+ unsigned num_supported_versions;
+ struct {
+ unsigned ver;
+ bool es;
+ } supported_versions[12];
+
bool es_shader;
unsigned language_version;
enum _mesa_glsl_parser_targets target;
+ /**
+ * Number of nested struct_specifier levels
+ *
+ * Outside a struct_specifer, this is zero.
+ */
+ unsigned struct_specifier_depth;
+
/**
* Default uniform layout qualifiers tracked during parsing.
* Currently affects uniform blocks and uniform buffer variables in
*/
struct ast_type_qualifier *default_uniform_qualifier;
+ /**
+ * True if a geometry shader input primitive type was specified using a
+ * layout directive.
+ *
+ * Note: this value is computed at ast_to_hir time rather than at parse
+ * time.
+ */
+ bool gs_input_prim_type_specified;
+
+ /**
+ * If gs_input_prim_type_specified is true, the primitive type that was
+ * specified. Otherwise ignored.
+ */
+ GLenum gs_input_prim_type;
+
+ /** Output layout qualifiers from GLSL 1.50. (geometry shader controls)*/
+ struct ast_type_qualifier *out_qualifier;
+
/**
* Printable list of GLSL versions supported by the current context
*
unsigned MaxTextureCoords;
unsigned MaxVertexAttribs;
unsigned MaxVertexUniformComponents;
- unsigned MaxVaryingFloats;
unsigned MaxVertexTextureImageUnits;
unsigned MaxCombinedTextureImageUnits;
unsigned MaxTextureImageUnits;
/* ARB_draw_buffers */
unsigned MaxDrawBuffers;
+
+ /* 3.00 ES */
+ int MinProgramTexelOffset;
+ int MaxProgramTexelOffset;
+
+ /* 1.50 */
+ unsigned MaxVertexOutputComponents;
+ unsigned MaxGeometryInputComponents;
+ unsigned MaxGeometryOutputComponents;
+ unsigned MaxFragmentInputComponents;
+ unsigned MaxGeometryTextureImageUnits;
+ unsigned MaxGeometryOutputVertices;
+ unsigned MaxGeometryTotalOutputComponents;
+ unsigned MaxGeometryUniformComponents;
+
+ /* ARB_shader_atomic_counters */
+ unsigned MaxVertexAtomicCounters;
+ unsigned MaxGeometryAtomicCounters;
+ unsigned MaxFragmentAtomicCounters;
+ unsigned MaxCombinedAtomicCounters;
+ unsigned MaxAtomicBufferBindings;
} Const;
/**
bool ARB_fragment_coord_conventions_warn;
bool ARB_texture_rectangle_enable;
bool ARB_texture_rectangle_warn;
+ bool ARB_texture_gather_enable;
+ bool ARB_texture_gather_warn;
bool EXT_texture_array_enable;
bool EXT_texture_array_warn;
bool ARB_shader_texture_lod_enable;
bool OES_standard_derivatives_warn;
bool ARB_texture_cube_map_array_enable;
bool ARB_texture_cube_map_array_warn;
+ bool ARB_shading_language_packing_enable;
+ bool ARB_shading_language_packing_warn;
+ bool ARB_texture_multisample_enable;
+ bool ARB_texture_multisample_warn;
+ bool ARB_texture_query_levels_enable;
+ bool ARB_texture_query_levels_warn;
+ bool ARB_texture_query_lod_enable;
+ bool ARB_texture_query_lod_warn;
+ bool ARB_gpu_shader5_enable;
+ bool ARB_gpu_shader5_warn;
+ bool AMD_vertex_shader_layer_enable;
+ bool AMD_vertex_shader_layer_warn;
+ bool ARB_shading_language_420pack_enable;
+ bool ARB_shading_language_420pack_warn;
+ bool ARB_sample_shading_enable;
+ bool ARB_sample_shading_warn;
+ bool EXT_shader_integer_mix_enable;
+ bool EXT_shader_integer_mix_warn;
+ bool ARB_shader_atomic_counters_enable;
+ bool ARB_shader_atomic_counters_warn;
/*@}*/
/** 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;
-};
+ bool uses_builtin_functions;
-typedef struct YYLTYPE {
- int first_line;
- int first_column;
- int last_line;
- int last_column;
- unsigned source;
-} YYLTYPE;
-# define YYLTYPE_IS_DECLARED 1
-# define YYLTYPE_IS_TRIVIAL 1
+ /**
+ * For geometry shaders, size of the most recently seen input declaration
+ * that was a sized array, or 0 if no sized input array declarations have
+ * been seen.
+ *
+ * Unused for other shader types.
+ */
+ unsigned gs_input_size;
+
+ /** Atomic counter offsets by binding */
+ unsigned atomic_counter_offsets[MAX_COMBINED_ATOMIC_BUFFERS];
+};
# define YYLLOC_DEFAULT(Current, Rhs, N) \
do { \
(Current).source = 0; \
} while (0)
-extern void _mesa_glsl_error(YYLTYPE *locp, _mesa_glsl_parse_state *state,
- const char *fmt, ...);
-
/**
* Emit a warning to the shader log
*
extern void _mesa_glsl_lexer_dtor(struct _mesa_glsl_parse_state *state);
union YYSTYPE;
-extern int _mesa_glsl_lex(union YYSTYPE *yylval, YYLTYPE *yylloc,
- void *scanner);
+extern int _mesa_glsl_lexer_lex(union YYSTYPE *yylval, YYLTYPE *yylloc,
+ void *scanner);
extern int _mesa_glsl_parse(struct _mesa_glsl_parse_state *);
extern "C" {
#endif
+extern const char *
+_mesa_glsl_shader_target_name(GLenum type);
+
extern int glcpp_preprocess(void *ctx, const char **shader, char **info_log,
- const struct gl_extensions *extensions, int api);
+ const struct gl_extensions *extensions, struct gl_context *gl_ctx);
extern void _mesa_destroy_shader_compiler(void);
extern void _mesa_destroy_shader_compiler_caches(void);
projects / mesa.git / blobdiff