diff options
Diffstat (limited to 'src/3rdparty/angle/include/GLSLANG/ShaderLang.h')
| -rw-r--r-- | src/3rdparty/angle/include/GLSLANG/ShaderLang.h | 210 |
1 files changed, 51 insertions, 159 deletions
diff --git a/src/3rdparty/angle/include/GLSLANG/ShaderLang.h b/src/3rdparty/angle/include/GLSLANG/ShaderLang.h index b7989f5f7e..647fed6a02 100644 --- a/src/3rdparty/angle/include/GLSLANG/ShaderLang.h +++ b/src/3rdparty/angle/include/GLSLANG/ShaderLang.h @@ -27,6 +27,10 @@ #include "KHR/khrplatform.h" +#include <map> +#include <string> +#include <vector> + // // This is the platform independent interface between an OGL driver // and the shading language compiler. @@ -42,18 +46,17 @@ typedef unsigned int GLenum; // Note: make sure to increment ANGLE_SH_VERSION when changing ShaderVars.h #include "ShaderVars.h" -#ifdef __cplusplus -extern "C" { -#endif - // Version number for shader translation API. // It is incremented every time the API changes. -#define ANGLE_SH_VERSION 130 +#define ANGLE_SH_VERSION 132 typedef enum { SH_GLES2_SPEC = 0x8B40, SH_WEBGL_SPEC = 0x8B41, + SH_GLES3_SPEC = 0x8B86, + SH_WEBGL2_SPEC = 0x8B87, + // The CSS Shaders spec is a subset of the WebGL spec. // // In both CSS vertex and fragment shaders, ANGLE: @@ -85,31 +88,6 @@ typedef enum { SH_HLSL11_OUTPUT = 0x8B48 } ShShaderOutput; -typedef enum { - SH_PRECISION_HIGHP = 0x5001, - SH_PRECISION_MEDIUMP = 0x5002, - SH_PRECISION_LOWP = 0x5003, - SH_PRECISION_UNDEFINED = 0 -} ShPrecisionType; - -typedef enum { - SH_INFO_LOG_LENGTH = 0x8B84, - SH_OBJECT_CODE_LENGTH = 0x8B88, // GL_SHADER_SOURCE_LENGTH - SH_ACTIVE_UNIFORMS = 0x8B86, - SH_ACTIVE_UNIFORM_MAX_LENGTH = 0x8B87, - SH_ACTIVE_ATTRIBUTES = 0x8B89, - SH_ACTIVE_ATTRIBUTE_MAX_LENGTH = 0x8B8A, - SH_VARYINGS = 0x8BBB, - SH_VARYING_MAX_LENGTH = 0x8BBC, - SH_MAPPED_NAME_MAX_LENGTH = 0x6000, - SH_NAME_MAX_LENGTH = 0x6001, - SH_HASHED_NAME_MAX_LENGTH = 0x6002, - SH_HASHED_NAMES_COUNT = 0x6003, - SH_SHADER_VERSION = 0x6004, - SH_RESOURCES_STRING_LENGTH = 0x6005, - SH_OUTPUT_TYPE = 0x6006 -} ShShaderInfo; - // Compile options. typedef enum { SH_VALIDATE = 0, @@ -208,14 +186,14 @@ typedef enum { // // Driver must call this first, once, before doing any other // compiler operations. -// If the function succeeds, the return value is nonzero, else zero. +// If the function succeeds, the return value is true, else false. // -COMPILER_EXPORT int ShInitialize(); +COMPILER_EXPORT bool ShInitialize(); // // Driver should call this at shutdown. -// If the function succeeds, the return value is nonzero, else zero. +// If the function succeeds, the return value is true, else false. // -COMPILER_EXPORT int ShFinalize(); +COMPILER_EXPORT bool ShFinalize(); // The 64 bits hash function. The first parameter is the input string; the // second parameter is the string length. @@ -246,6 +224,12 @@ typedef struct int EXT_frag_depth; int EXT_shader_texture_lod; + // Set to 1 to enable replacing GL_EXT_draw_buffers #extension directives + // with GL_NV_draw_buffers in ESSL output. This flag can be used to emulate + // EXT_draw_buffers by using it in combination with GLES3.0 glDrawBuffers + // function. This applies to Tegra K1 devices. + int NV_draw_buffers; + // Set to 1 if highp precision is supported in the fragment language. // Default is 0. int FragmentPrecisionHigh; @@ -274,8 +258,10 @@ typedef struct // // Initialize built-in resources with minimum expected values. +// Parameters: +// resources: The object to initialize. Will be comparable with memcmp. // -COMPILER_EXPORT void ShInitBuiltInResources(ShBuiltInResources* resources); +COMPILER_EXPORT void ShInitBuiltInResources(ShBuiltInResources *resources); // // ShHandle held by but opaque to the driver. It is allocated, @@ -284,18 +270,15 @@ COMPILER_EXPORT void ShInitBuiltInResources(ShBuiltInResources* resources); // // If handle creation fails, 0 will be returned. // -typedef void* ShHandle; +typedef void *ShHandle; // -// Returns the a concatenated list of the items in ShBuiltInResources as a string. +// Returns the a concatenated list of the items in ShBuiltInResources as a +// null-terminated string. // This function must be updated whenever ShBuiltInResources is changed. // Parameters: // handle: Specifies the handle of the compiler to be used. -// outStringLen: Specifies the size of the buffer, in number of characters. The size -// of the buffer required to store the resources string can be obtained -// by calling ShGetInfo with SH_RESOURCES_STRING_LENGTH. -// outStr: Returns a null-terminated string representing all the built-in resources. -COMPILER_EXPORT void ShGetBuiltInResourcesString(const ShHandle handle, size_t outStringLen, char *outStr); +COMPILER_EXPORT const std::string &ShGetBuiltInResourcesString(const ShHandle handle); // // Driver calls these to create and destroy compiler objects. @@ -313,12 +296,12 @@ COMPILER_EXPORT ShHandle ShConstructCompiler( sh::GLenum type, ShShaderSpec spec, ShShaderOutput output, - const ShBuiltInResources* resources); + const ShBuiltInResources *resources); COMPILER_EXPORT void ShDestruct(ShHandle handle); // // Compiles the given shader source. -// If the function succeeds, the return value is nonzero, else zero. +// If the function succeeds, the return value is true, else false. // Parameters: // handle: Specifies the handle of compiler to be used. // shaderStrings: Specifies an array of pointers to null-terminated strings @@ -340,123 +323,36 @@ COMPILER_EXPORT void ShDestruct(ShHandle handle); // SH_VARIABLES: Extracts attributes, uniforms, and varyings. // Can be queried by calling ShGetVariableInfo(). // -COMPILER_EXPORT int ShCompile( +COMPILER_EXPORT bool ShCompile( const ShHandle handle, - const char* const shaderStrings[], + const char * const shaderStrings[], size_t numStrings, - int compileOptions - ); + int compileOptions); -// Returns a parameter from a compiled shader. -// Parameters: -// handle: Specifies the compiler -// pname: Specifies the parameter to query. -// The following parameters are defined: -// SH_INFO_LOG_LENGTH: the number of characters in the information log -// including the null termination character. -// SH_OBJECT_CODE_LENGTH: the number of characters in the object code -// including the null termination character. -// SH_ACTIVE_ATTRIBUTES: the number of active attribute variables. -// SH_ACTIVE_ATTRIBUTE_MAX_LENGTH: the length of the longest active attribute -// variable name including the null -// termination character. -// SH_ACTIVE_UNIFORMS: the number of active uniform variables. -// SH_ACTIVE_UNIFORM_MAX_LENGTH: the length of the longest active uniform -// variable name including the null -// termination character. -// SH_VARYINGS: the number of varying variables. -// SH_VARYING_MAX_LENGTH: the length of the longest varying variable name -// including the null termination character. -// SH_MAPPED_NAME_MAX_LENGTH: the length of the mapped variable name including -// the null termination character. -// SH_NAME_MAX_LENGTH: the max length of a user-defined name including the -// null termination character. -// SH_HASHED_NAME_MAX_LENGTH: the max length of a hashed name including the -// null termination character. -// SH_HASHED_NAMES_COUNT: the number of hashed names from the latest compile. -// SH_SHADER_VERSION: the version of the shader language -// SH_OUTPUT_TYPE: the currently set language output type -// -// params: Requested parameter -COMPILER_EXPORT void ShGetInfo(const ShHandle handle, - ShShaderInfo pname, - size_t* params); +// Return the version of the shader language. +COMPILER_EXPORT int ShGetShaderVersion(const ShHandle handle); -// Returns nul-terminated information log for a compiled shader. +// Return the currently set language output type. +COMPILER_EXPORT ShShaderOutput ShGetShaderOutputType( + const ShHandle handle); + +// Returns null-terminated information log for a compiled shader. // Parameters: // handle: Specifies the compiler -// infoLog: Specifies an array of characters that is used to return -// the information log. It is assumed that infoLog has enough memory -// to accomodate the information log. The size of the buffer required -// to store the returned information log can be obtained by calling -// ShGetInfo with SH_INFO_LOG_LENGTH. -COMPILER_EXPORT void ShGetInfoLog(const ShHandle handle, char* infoLog); +COMPILER_EXPORT const std::string &ShGetInfoLog(const ShHandle handle); // Returns null-terminated object code for a compiled shader. // Parameters: // handle: Specifies the compiler -// infoLog: Specifies an array of characters that is used to return -// the object code. It is assumed that infoLog has enough memory to -// accomodate the object code. The size of the buffer required to -// store the returned object code can be obtained by calling -// ShGetInfo with SH_OBJECT_CODE_LENGTH. -COMPILER_EXPORT void ShGetObjectCode(const ShHandle handle, char* objCode); - -// Returns information about a shader variable. -// Parameters: -// handle: Specifies the compiler -// variableType: Specifies the variable type; options include -// SH_ACTIVE_ATTRIBUTES, SH_ACTIVE_UNIFORMS, SH_VARYINGS. -// index: Specifies the index of the variable to be queried. -// length: Returns the number of characters actually written in the string -// indicated by name (excluding the null terminator) if a value other -// than NULL is passed. -// size: Returns the size of the variable. -// type: Returns the data type of the variable. -// precision: Returns the precision of the variable. -// staticUse: Returns 1 if the variable is accessed in a statement after -// pre-processing, whether or not run-time flow of control will -// cause that statement to be executed. -// Returns 0 otherwise. -// name: Returns a null terminated string containing the name of the -// variable. It is assumed that name has enough memory to accormodate -// the variable name. The size of the buffer required to store the -// variable name can be obtained by calling ShGetInfo with -// SH_ACTIVE_ATTRIBUTE_MAX_LENGTH, SH_ACTIVE_UNIFORM_MAX_LENGTH, -// SH_VARYING_MAX_LENGTH. -// mappedName: Returns a null terminated string containing the mapped name of -// the variable, It is assumed that mappedName has enough memory -// (SH_MAPPED_NAME_MAX_LENGTH), or NULL if don't care about the -// mapped name. If the name is not mapped, then name and mappedName -// are the same. -COMPILER_EXPORT void ShGetVariableInfo(const ShHandle handle, - ShShaderInfo variableType, - int index, - size_t* length, - int* size, - sh::GLenum* type, - ShPrecisionType* precision, - int* staticUse, - char* name, - char* mappedName); - -// Returns information about a name hashing entry from the latest compile. +COMPILER_EXPORT const std::string &ShGetObjectCode(const ShHandle handle); + +// Returns a (original_name, hash) map containing all the user defined +// names in the shader, including variable names, function names, struct +// names, and struct field names. // Parameters: // handle: Specifies the compiler -// index: Specifies the index of the name hashing entry to be queried. -// name: Returns a null terminated string containing the user defined name. -// It is assumed that name has enough memory to accomodate the name. -// The size of the buffer required to store the user defined name can -// be obtained by calling ShGetInfo with SH_NAME_MAX_LENGTH. -// hashedName: Returns a null terminated string containing the hashed name of -// the uniform variable, It is assumed that hashedName has enough -// memory to accomodate the name. The size of the buffer required -// to store the name can be obtained by calling ShGetInfo with -// SH_HASHED_NAME_MAX_LENGTH. -COMPILER_EXPORT void ShGetNameHashingEntry(const ShHandle handle, - int index, - char* name, - char* hashedName); +COMPILER_EXPORT const std::map<std::string, std::string> *ShGetNameHashingMap( + const ShHandle handle); // Shader variable inspection. // Returns a pointer to a list of variables of the designated type. @@ -476,17 +372,17 @@ typedef struct int size; } ShVariableInfo; -// Returns 1 if the passed in variables pack in maxVectors following +// Returns true if the passed in variables pack in maxVectors following // the packing rules from the GLSL 1.017 spec, Appendix A, section 7. -// Returns 0 otherwise. Also look at the SH_ENFORCE_PACKING_RESTRICTIONS +// Returns false otherwise. Also look at the SH_ENFORCE_PACKING_RESTRICTIONS // flag above. // Parameters: // maxVectors: the available rows of registers. // varInfoArray: an array of variable info (types and sizes). // varInfoArraySize: the size of the variable array. -COMPILER_EXPORT int ShCheckVariablesWithinPackingLimits( +COMPILER_EXPORT bool ShCheckVariablesWithinPackingLimits( int maxVectors, - ShVariableInfo* varInfoArray, + ShVariableInfo *varInfoArray, size_t varInfoArraySize); // Gives the compiler-assigned register for an interface block. @@ -497,7 +393,7 @@ COMPILER_EXPORT int ShCheckVariablesWithinPackingLimits( // interfaceBlockName: Specifies the interface block // indexOut: output variable that stores the assigned register COMPILER_EXPORT bool ShGetInterfaceBlockRegister(const ShHandle handle, - const char *interfaceBlockName, + const std::string &interfaceBlockName, unsigned int *indexOut); // Gives the compiler-assigned register for uniforms in the default @@ -509,11 +405,7 @@ COMPILER_EXPORT bool ShGetInterfaceBlockRegister(const ShHandle handle, // interfaceBlockName: Specifies the uniform // indexOut: output variable that stores the assigned register COMPILER_EXPORT bool ShGetUniformRegister(const ShHandle handle, - const char *uniformName, + const std::string &uniformName, unsigned int *indexOut); -#ifdef __cplusplus -} -#endif - #endif // _COMPILER_INTERFACE_INCLUDED_ |