#include <stdlib.h>
#include "glsl_symbol_table.h"
-enum _mesa_glsl_parser_targets {
- vertex_shader,
- geometry_shader,
- fragment_shader
-};
-
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;
+ /** Used to detect if 'continue' was called inside a switch. */
+ ir_variable *continue_inside;
+
+ /** Used to set condition if 'default' label should be chosen. */
+ ir_variable *run_default;
+
/** Table of constant values already used in case labels */
struct hash_table *labels_ht;
class ast_case_label *previous_default;
# 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,
- void *mem_ctx);
+extern void _mesa_glsl_error(YYLTYPE *locp, _mesa_glsl_parse_state *state,
+ const char *fmt, ...);
- /* 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;
- }
+struct _mesa_glsl_parse_state {
+ _mesa_glsl_parse_state(struct gl_context *_ctx, gl_shader_stage stage,
+ void *mem_ctx);
- /* 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
* feature.
*/
bool is_version(unsigned required_glsl_version,
- unsigned required_glsl_es_version)
+ unsigned required_glsl_es_version) const
{
unsigned required_version = this->es_shader ?
required_glsl_es_version : required_glsl_version;
+ unsigned this_version = this->forced_language_version
+ ? this->forced_language_version : this->language_version;
return required_version != 0
- && this->language_version >= required_version;
+ && this_version >= required_version;
}
bool check_version(unsigned required_glsl_version,
return check_version(130, 300, locp, "bit-wise operations are forbidden");
}
+ bool check_explicit_attrib_stream_allowed(YYLTYPE *locp)
+ {
+ if (!this->has_explicit_attrib_stream()) {
+ const char *const requirement = "GL_ARB_gpu_shader5 extension or GLSL 4.00";
+
+ _mesa_glsl_error(locp, this, "explicit stream requires %s",
+ requirement);
+ return false;
+ }
+
+ return true;
+ }
+
+ 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 3.00"
+ : "GL_ARB_explicit_attrib_location extension or GLSL 3.30";
+
+ _mesa_glsl_error(locp, this, "%s explicit location requires %s",
+ mode_string(var), requirement);
+ return false;
+ }
+
+ return true;
+ }
+
+ bool check_separate_shader_objects_allowed(YYLTYPE *locp,
+ const ir_variable *var)
+ {
+ if (!this->has_separate_shader_objects()) {
+ const char *const requirement = this->es_shader
+ ? "GL_EXT_separate_shader_objects extension or GLSL ES 3.10"
+ : "GL_ARB_separate_shader_objects extension or GLSL 4.20";
+
+ _mesa_glsl_error(locp, this, "%s explicit location requires %s",
+ mode_string(var), requirement);
+ return false;
+ }
+
+ return true;
+ }
+
+ bool check_explicit_uniform_location_allowed(YYLTYPE *locp,
+ const ir_variable *)
+ {
+ if (!this->has_explicit_attrib_location() ||
+ !this->has_explicit_uniform_location()) {
+ const char *const requirement = this->es_shader
+ ? "GLSL ES 3.10"
+ : "GL_ARB_explicit_uniform_location and either "
+ "GL_ARB_explicit_attrib_location or GLSL 3.30.";
+
+ _mesa_glsl_error(locp, this,
+ "uniform explicit location requires %s",
+ requirement);
+ return false;
+ }
+
+ return true;
+ }
+
+ bool has_atomic_counters() const
+ {
+ return ARB_shader_atomic_counters_enable || is_version(420, 310);
+ }
+
+ bool has_explicit_attrib_stream() const
+ {
+ return ARB_gpu_shader5_enable || is_version(400, 0);
+ }
+
+ bool has_explicit_attrib_location() const
+ {
+ return ARB_explicit_attrib_location_enable || is_version(330, 300);
+ }
+
+ bool has_explicit_uniform_location() const
+ {
+ return ARB_explicit_uniform_location_enable || is_version(430, 310);
+ }
+
+ bool has_uniform_buffer_objects() const
+ {
+ return ARB_uniform_buffer_object_enable || is_version(140, 300);
+ }
+
+ bool has_shader_storage_buffer_objects() const
+ {
+ return ARB_shader_storage_buffer_object_enable || is_version(430, 0);
+ }
+
+ bool has_separate_shader_objects() const
+ {
+ return ARB_separate_shader_objects_enable || is_version(410, 310)
+ || EXT_separate_shader_objects_enable;
+ }
+
+ bool has_double() const
+ {
+ return ARB_gpu_shader_fp64_enable || is_version(400, 0);
+ }
+
+ bool has_420pack() const
+ {
+ return ARB_shading_language_420pack_enable || is_version(420, 0);
+ }
+
+ bool has_compute_shader() const
+ {
+ return ARB_compute_shader_enable || is_version(430, 310);
+ }
+
void process_version_directive(YYLTYPE *locp, int version,
const char *ident);
exec_list translation_unit;
glsl_symbol_table *symbols;
- unsigned num_uniform_blocks;
- unsigned uniform_block_array_size;
- struct gl_uniform_block *uniform_blocks;
+ unsigned num_supported_versions;
+ struct {
+ unsigned ver;
+ bool es;
+ } supported_versions[15];
bool es_shader;
unsigned language_version;
- enum _mesa_glsl_parser_targets target;
+ unsigned forced_language_version;
+ gl_shader_stage stage;
+
+ /**
+ * Number of nested struct_specifier levels
+ *
+ * Outside a struct_specifier, this is zero.
+ */
+ unsigned struct_specifier_depth;
/**
* Default uniform layout qualifiers tracked during parsing.
*/
struct ast_type_qualifier *default_uniform_qualifier;
+ /**
+ * Variables to track different cases if a fragment shader redeclares
+ * built-in variable gl_FragCoord.
+ *
+ * Note: These values are computed at ast_to_hir time rather than at parse
+ * time.
+ */
+ bool fs_redeclares_gl_fragcoord;
+ bool fs_origin_upper_left;
+ bool fs_pixel_center_integer;
+ bool fs_redeclares_gl_fragcoord_with_no_layout_qualifiers;
+
+ /**
+ * True if a geometry shader input primitive type or tessellation control
+ * output vertices were specified using a layout directive.
+ *
+ * Note: these values are computed at ast_to_hir time rather than at parse
+ * time.
+ */
+ bool gs_input_prim_type_specified;
+ bool tcs_output_vertices_specified;
+
+ /**
+ * Input layout qualifiers from GLSL 1.50 (geometry shader controls),
+ * and GLSL 4.00 (tessellation evaluation shader)
+ */
+ struct ast_type_qualifier *in_qualifier;
+
+ /**
+ * True if a compute shader input local size was specified using a layout
+ * directive.
+ *
+ * Note: this value is computed at ast_to_hir time rather than at parse
+ * time.
+ */
+ bool cs_input_local_size_specified;
+
+ /**
+ * If cs_input_local_size_specified is true, the local size that was
+ * specified. Otherwise ignored.
+ */
+ unsigned cs_input_local_size[3];
+
+ /**
+ * Output layout qualifiers from GLSL 1.50 (geometry shader controls),
+ * and GLSL 4.00 (tessellation control shader).
+ */
+ 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;
/* 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 MaxTessControlAtomicCounters;
+ unsigned MaxTessEvaluationAtomicCounters;
+ unsigned MaxGeometryAtomicCounters;
+ unsigned MaxFragmentAtomicCounters;
+ unsigned MaxCombinedAtomicCounters;
+ unsigned MaxAtomicBufferBindings;
+
+ /* These are also atomic counter related, but they weren't added to
+ * until atomic counters were added to core in GLSL 4.20 and GLSL ES
+ * 3.10.
+ */
+ unsigned MaxVertexAtomicCounterBuffers;
+ unsigned MaxTessControlAtomicCounterBuffers;
+ unsigned MaxTessEvaluationAtomicCounterBuffers;
+ unsigned MaxGeometryAtomicCounterBuffers;
+ unsigned MaxFragmentAtomicCounterBuffers;
+ unsigned MaxCombinedAtomicCounterBuffers;
+ unsigned MaxAtomicCounterBufferSize;
+
+ /* ARB_compute_shader */
+ unsigned MaxComputeWorkGroupCount[3];
+ unsigned MaxComputeWorkGroupSize[3];
+
+ /* ARB_shader_image_load_store */
+ unsigned MaxImageUnits;
+ unsigned MaxCombinedShaderOutputResources;
+ unsigned MaxImageSamples;
+ unsigned MaxVertexImageUniforms;
+ unsigned MaxTessControlImageUniforms;
+ unsigned MaxTessEvaluationImageUniforms;
+ unsigned MaxGeometryImageUniforms;
+ unsigned MaxFragmentImageUniforms;
+ unsigned MaxCombinedImageUniforms;
+
+ /* ARB_viewport_array */
+ unsigned MaxViewports;
+
+ /* ARB_tessellation_shader */
+ unsigned MaxPatchVertices;
+ unsigned MaxTessGenLevel;
+ unsigned MaxTessControlInputComponents;
+ unsigned MaxTessControlOutputComponents;
+ unsigned MaxTessControlTextureImageUnits;
+ unsigned MaxTessEvaluationInputComponents;
+ unsigned MaxTessEvaluationOutputComponents;
+ unsigned MaxTessEvaluationTextureImageUnits;
+ unsigned MaxTessPatchComponents;
+ unsigned MaxTessControlTotalOutputComponents;
+ unsigned MaxTessControlUniformComponents;
+ unsigned MaxTessEvaluationUniformComponents;
} Const;
/**
* \name Enable bits for GLSL extensions
*/
/*@{*/
+ /* ARB extensions go here, sorted alphabetically.
+ */
+ bool ARB_arrays_of_arrays_enable;
+ bool ARB_arrays_of_arrays_warn;
+ bool ARB_compute_shader_enable;
+ bool ARB_compute_shader_warn;
+ bool ARB_conservative_depth_enable;
+ bool ARB_conservative_depth_warn;
+ bool ARB_derivative_control_enable;
+ bool ARB_derivative_control_warn;
bool ARB_draw_buffers_enable;
bool ARB_draw_buffers_warn;
bool ARB_draw_instanced_enable;
bool ARB_draw_instanced_warn;
bool ARB_explicit_attrib_location_enable;
bool ARB_explicit_attrib_location_warn;
+ bool ARB_explicit_uniform_location_enable;
+ bool ARB_explicit_uniform_location_warn;
bool ARB_fragment_coord_conventions_enable;
bool ARB_fragment_coord_conventions_warn;
- bool ARB_texture_rectangle_enable;
- bool ARB_texture_rectangle_warn;
- bool EXT_texture_array_enable;
- bool EXT_texture_array_warn;
- bool ARB_shader_texture_lod_enable;
- bool ARB_shader_texture_lod_warn;
- bool ARB_shader_stencil_export_enable;
- 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_fragment_layer_viewport_enable;
+ bool ARB_fragment_layer_viewport_warn;
+ bool ARB_gpu_shader5_enable;
+ bool ARB_gpu_shader5_warn;
+ bool ARB_gpu_shader_fp64_enable;
+ bool ARB_gpu_shader_fp64_warn;
+ bool ARB_sample_shading_enable;
+ bool ARB_sample_shading_warn;
+ bool ARB_separate_shader_objects_enable;
+ bool ARB_separate_shader_objects_warn;
+ bool ARB_shader_atomic_counters_enable;
+ bool ARB_shader_atomic_counters_warn;
bool ARB_shader_bit_encoding_enable;
bool ARB_shader_bit_encoding_warn;
+ bool ARB_shader_image_load_store_enable;
+ bool ARB_shader_image_load_store_warn;
+ bool ARB_shader_image_size_enable;
+ bool ARB_shader_image_size_warn;
+ bool ARB_shader_precision_enable;
+ bool ARB_shader_precision_warn;
+ bool ARB_shader_stencil_export_enable;
+ bool ARB_shader_stencil_export_warn;
+ bool ARB_shader_storage_buffer_object_enable;
+ bool ARB_shader_storage_buffer_object_warn;
+ bool ARB_shader_subroutine_enable;
+ bool ARB_shader_subroutine_warn;
+ bool ARB_shader_texture_lod_enable;
+ bool ARB_shader_texture_lod_warn;
+ bool ARB_shading_language_420pack_enable;
+ bool ARB_shading_language_420pack_warn;
+ bool ARB_shading_language_packing_enable;
+ bool ARB_shading_language_packing_warn;
+ bool ARB_tessellation_shader_enable;
+ bool ARB_tessellation_shader_warn;
+ bool ARB_texture_cube_map_array_enable;
+ bool ARB_texture_cube_map_array_warn;
+ bool ARB_texture_gather_enable;
+ bool ARB_texture_gather_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_texture_rectangle_enable;
+ bool ARB_texture_rectangle_warn;
bool ARB_uniform_buffer_object_enable;
bool ARB_uniform_buffer_object_warn;
+ bool ARB_vertex_attrib_64bit_enable;
+ bool ARB_vertex_attrib_64bit_warn;
+ bool ARB_viewport_array_enable;
+ bool ARB_viewport_array_warn;
+
+ /* KHR extensions go here, sorted alphabetically.
+ */
+
+ /* OES extensions go here, sorted alphabetically.
+ */
+ bool OES_EGL_image_external_enable;
+ bool OES_EGL_image_external_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 OES_texture_3D_enable;
+ bool OES_texture_3D_warn;
+
+ /* All other extensions go here, sorted alphabetically.
+ */
+ bool AMD_conservative_depth_enable;
+ bool AMD_conservative_depth_warn;
+ bool AMD_shader_stencil_export_enable;
+ bool AMD_shader_stencil_export_warn;
+ bool AMD_shader_trinary_minmax_enable;
+ bool AMD_shader_trinary_minmax_warn;
+ bool AMD_vertex_shader_layer_enable;
+ bool AMD_vertex_shader_layer_warn;
+ bool AMD_vertex_shader_viewport_index_enable;
+ bool AMD_vertex_shader_viewport_index_warn;
+ bool EXT_draw_buffers_enable;
+ bool EXT_draw_buffers_warn;
+ bool EXT_separate_shader_objects_enable;
+ bool EXT_separate_shader_objects_warn;
+ bool EXT_shader_integer_mix_enable;
+ bool EXT_shader_integer_mix_warn;
+ bool EXT_texture_array_enable;
+ bool EXT_texture_array_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;
+ bool fs_uses_gl_fragcoord;
+
+ /**
+ * 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;
+
+ bool fs_early_fragment_tests;
+
+ /**
+ * For tessellation control shaders, size of the most recently seen output
+ * declaration that was a sized array, or 0 if no sized output array
+ * declarations have been seen.
+ *
+ * Unused for other shader types.
+ */
+ unsigned tcs_output_size;
+
+ /** Atomic counter offsets by binding */
+ unsigned atomic_counter_offsets[MAX_COMBINED_ATOMIC_BUFFERS];
+
+ bool allow_extension_directive_midshader;
+
+ /**
+ * Known subroutine type declarations.
+ */
+ int num_subroutine_types;
+ ir_function **subroutine_types;
+
+ /**
+ * Functions that are associated with
+ * subroutine types.
+ */
+ int num_subroutines;
+ ir_function **subroutines;
+
+ /**
+ * field selection temporary parser storage -
+ * did the parser just parse a dot.
+ */
+ bool is_field;
};
# define YYLLOC_DEFAULT(Current, Rhs, N) \
(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 *);
YYLTYPE *behavior_locp,
_mesa_glsl_parse_state *state);
-/**
- * Get the textual name of the specified shader target
- */
-extern const char *
-_mesa_glsl_shader_target_name(enum _mesa_glsl_parser_targets target);
-
-
#endif /* __cplusplus */
extern "C" {
#endif
+/**
+ * Get the textual name of the specified shader stage (which is a
+ * gl_shader_stage).
+ */
+extern const char *
+_mesa_shader_stage_to_string(unsigned stage);
+
+extern const char *
+_mesa_shader_stage_to_abbrev(unsigned stage);
+
extern int glcpp_preprocess(void *ctx, const char **shader, char **info_log,
const struct gl_extensions *extensions, struct gl_context *gl_ctx);
projects / mesa.git / blobdiff