struct gl_context;
+struct glsl_switch_state {
+ /** Temporary variables needed for switch statement. */
+ ir_variable *test_var;
+ ir_variable *is_fallthru_var;
+ ir_variable *is_break_var;
+ class ast_switch_statement *switch_nesting_ast;
+
+ /** Table of constant values already used in case labels */
+ struct hash_table *labels_ht;
+ class ast_case_label *previous_default;
+
+ bool is_switch_innermost; // if switch stmt is closest to break, ...
+};
+
+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
+
struct _mesa_glsl_parse_state {
- _mesa_glsl_parse_state(struct gl_context *ctx, GLenum target,
+ _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
ralloc_free(mem);
}
+ /**
+ * Generate a string representing the GLSL version currently being compiled
+ * (useful for error messages).
+ */
+ const char *get_version_string()
+ {
+ return glsl_compute_version_string(this, this->es_shader,
+ 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)
+ {
+ 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");
+ }
+
+ void process_version_directive(YYLTYPE *locp, int version,
+ const char *ident);
+
+ struct gl_context *const ctx;
void *scanner;
exec_list translation_unit;
glsl_symbol_table *symbols;
+ unsigned num_uniform_blocks;
+ unsigned uniform_block_array_size;
+ struct gl_uniform_block *uniform_blocks;
+
bool es_shader;
unsigned language_version;
- const char *version_string;
enum _mesa_glsl_parser_targets target;
+ /**
+ * Default uniform layout qualifiers tracked during parsing.
+ * Currently affects uniform blocks and uniform buffer variables in
+ * those blocks.
+ */
+ struct ast_type_qualifier *default_uniform_qualifier;
+
/**
* Printable list of GLSL versions supported by the current context
*
/* 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;
- /*@}*/
+ /* 3.00 ES */
+ int MinProgramTexelOffset;
+ int MaxProgramTexelOffset;
} Const;
/**
*/
class ir_function_signature *current_function;
+ /**
+ * During AST to IR conversion, pointer to the toplevel IR
+ * instruction list being generated.
+ */
+ exec_list *toplevel_ir;
+
/** Have we found a return statement in this function? */
bool found_return;
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;
+ class ast_iteration_statement *loop_nesting_ast;
+
+ struct glsl_switch_state switch_state;
/** List of structures defined in user code. */
const glsl_type **user_structures;
bool ARB_shader_stencil_export_warn;
bool AMD_conservative_depth_enable;
bool AMD_conservative_depth_warn;
+ bool ARB_conservative_depth_enable;
+ bool ARB_conservative_depth_warn;
bool AMD_shader_stencil_export_enable;
bool AMD_shader_stencil_export_warn;
bool OES_texture_3D_enable;
bool OES_texture_3D_warn;
+ bool OES_EGL_image_external_enable;
+ bool OES_EGL_image_external_warn;
+ bool ARB_shader_bit_encoding_enable;
+ bool ARB_shader_bit_encoding_warn;
+ bool ARB_uniform_buffer_object_enable;
+ bool ARB_uniform_buffer_object_warn;
+ bool OES_standard_derivatives_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;
/*@}*/
/** Extensions supported by the OpenGL implementation. */
unsigned num_builtins_to_link;
};
-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
-
# define YYLLOC_DEFAULT(Current, Rhs, N) \
do { \
if (N) \
extern "C" {
#endif
-extern int preprocess(void *ctx, const char **shader, char **info_log,
- const struct gl_extensions *extensions, int api);
+extern int glcpp_preprocess(void *ctx, const char **shader, char **info_log,
+ 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