diff options
Diffstat (limited to 'platform/winrt/include/GLSLANG')
| -rw-r--r-- | platform/winrt/include/GLSLANG/ShaderLang.h | 216 | ||||
| -rw-r--r-- | platform/winrt/include/GLSLANG/ShaderVars.h | 93 |
2 files changed, 132 insertions, 177 deletions
diff --git a/platform/winrt/include/GLSLANG/ShaderLang.h b/platform/winrt/include/GLSLANG/ShaderLang.h index 86bf221c90..d925b88f24 100644 --- a/platform/winrt/include/GLSLANG/ShaderLang.h +++ b/platform/winrt/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.
@@ -39,20 +43,20 @@ typedef unsigned int GLenum; }
// Must be included after GLenum proxy typedef
+// 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 129
+#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:
@@ -84,31 +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,
@@ -188,6 +167,11 @@ typedef enum { // This flag scalarizes vec/ivec/bvec/mat constructor args.
// It is intended as a workaround for Linux/Mac driver bugs.
SH_SCALARIZE_VEC_AND_MAT_CONSTRUCTOR_ARGS = 0x40000,
+
+ // This flag overwrites a struct name with a unique prefix.
+ // It is intended as a workaround for drivers that do not handle
+ // struct scopes correctly, including all Mac drivers and Linux AMD.
+ SH_REGENERATE_STRUCT_NAMES = 0x80000,
} ShCompileOptions;
// Defines alternate strategies for implementing array index clamping.
@@ -202,14 +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.
@@ -240,6 +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;
@@ -268,8 +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,
@@ -278,18 +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.
@@ -307,12 +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
@@ -334,123 +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.
@@ -470,17 +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.
@@ -491,7 +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
@@ -503,11 +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_
diff --git a/platform/winrt/include/GLSLANG/ShaderVars.h b/platform/winrt/include/GLSLANG/ShaderVars.h index 03ddf956f1..dc452b0cf4 100644 --- a/platform/winrt/include/GLSLANG/ShaderVars.h +++ b/platform/winrt/include/GLSLANG/ShaderVars.h @@ -15,6 +15,7 @@ #include <algorithm>
// Assume ShaderLang.h is included before ShaderVars.h, for sh::GLenum
+// Note: make sure to increment ANGLE_SH_VERSION when changing ShaderVars.h
namespace sh
{
@@ -39,7 +40,7 @@ enum BlockLayoutType // Note: we must override the copy constructor and assignment operator so we can
// work around excessive GCC binary bloating:
// See https://code.google.com/p/angleproject/issues/detail?id=697
-struct ShaderVariable
+struct COMPILER_EXPORT ShaderVariable
{
ShaderVariable();
ShaderVariable(GLenum typeIn, unsigned int arraySizeIn);
@@ -49,6 +50,22 @@ struct ShaderVariable bool isArray() const { return arraySize > 0; }
unsigned int elementCount() const { return std::max(1u, arraySize); }
+ bool isStruct() const { return !fields.empty(); }
+
+ // All of the shader's variables are described using nested data
+ // structures. This is needed in order to disambiguate similar looking
+ // types, such as two structs containing the same fields, but in
+ // different orders. "findInfoByMappedName" provides an easy query for
+ // users to dive into the data structure and fetch the unique variable
+ // instance corresponding to a dereferencing chain of the top-level
+ // variable.
+ // Given a mapped name like 'a[0].b.c[0]', return the ShaderVariable
+ // that defines 'c' in |leafVar|, and the original name 'A[0].B.C[0]'
+ // in |originalName|, based on the assumption that |this| defines 'a'.
+ // If no match is found, return false.
+ bool findInfoByMappedName(const std::string &mappedFullName,
+ const ShaderVariable **leafVar,
+ std::string* originalFullName) const;
GLenum type;
GLenum precision;
@@ -56,58 +73,97 @@ struct ShaderVariable std::string mappedName;
unsigned int arraySize;
bool staticUse;
+ std::vector<ShaderVariable> fields;
+ std::string structName;
+
+ protected:
+ bool isSameVariableAtLinkTime(const ShaderVariable &other,
+ bool matchPrecision) const;
+
+ bool operator==(const ShaderVariable &other) const;
+ bool operator!=(const ShaderVariable &other) const
+ {
+ return !operator==(other);
+ }
};
-struct Uniform : public ShaderVariable
+struct COMPILER_EXPORT Uniform : public ShaderVariable
{
Uniform();
~Uniform();
Uniform(const Uniform &other);
Uniform &operator=(const Uniform &other);
-
- bool isStruct() const { return !fields.empty(); }
-
- std::vector<Uniform> fields;
+ bool operator==(const Uniform &other) const;
+ bool operator!=(const Uniform &other) const
+ {
+ return !operator==(other);
+ }
+
+ // Decide whether two uniforms are the same at shader link time,
+ // assuming one from vertex shader and the other from fragment shader.
+ // See GLSL ES Spec 3.00.3, sec 4.3.5.
+ bool isSameUniformAtLinkTime(const Uniform &other) const;
};
-struct Attribute : public ShaderVariable
+struct COMPILER_EXPORT Attribute : public ShaderVariable
{
Attribute();
~Attribute();
Attribute(const Attribute &other);
Attribute &operator=(const Attribute &other);
+ bool operator==(const Attribute &other) const;
+ bool operator!=(const Attribute &other) const
+ {
+ return !operator==(other);
+ }
int location;
};
-struct InterfaceBlockField : public ShaderVariable
+struct COMPILER_EXPORT InterfaceBlockField : public ShaderVariable
{
InterfaceBlockField();
~InterfaceBlockField();
InterfaceBlockField(const InterfaceBlockField &other);
InterfaceBlockField &operator=(const InterfaceBlockField &other);
+ bool operator==(const InterfaceBlockField &other) const;
+ bool operator!=(const InterfaceBlockField &other) const
+ {
+ return !operator==(other);
+ }
+
+ // Decide whether two InterfaceBlock fields are the same at shader
+ // link time, assuming one from vertex shader and the other from
+ // fragment shader.
+ // See GLSL ES Spec 3.00.3, sec 4.3.7.
+ bool isSameInterfaceBlockFieldAtLinkTime(
+ const InterfaceBlockField &other) const;
- bool isStruct() const { return !fields.empty(); }
-
- bool isRowMajorMatrix;
- std::vector<InterfaceBlockField> fields;
+ bool isRowMajorLayout;
};
-struct Varying : public ShaderVariable
+struct COMPILER_EXPORT Varying : public ShaderVariable
{
Varying();
~Varying();
- Varying(const Varying &other);
+ Varying(const Varying &otherg);
Varying &operator=(const Varying &other);
+ bool operator==(const Varying &other) const;
+ bool operator!=(const Varying &other) const
+ {
+ return !operator==(other);
+ }
- bool isStruct() const { return !fields.empty(); }
+ // Decide whether two varyings are the same at shader link time,
+ // assuming one from vertex shader and the other from fragment shader.
+ // See GLSL ES Spec 3.00.3, sec 4.3.9.
+ bool isSameVaryingAtLinkTime(const Varying &other) const;
InterpolationType interpolation;
- std::vector<Varying> fields;
- std::string structName;
+ bool isInvariant;
};
-struct InterfaceBlock
+struct COMPILER_EXPORT InterfaceBlock
{
InterfaceBlock();
~InterfaceBlock();
@@ -116,6 +172,7 @@ struct InterfaceBlock std::string name;
std::string mappedName;
+ std::string instanceName;
unsigned int arraySize;
BlockLayoutType layout;
bool isRowMajorLayout;
|