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HLSL: Fix #1976: Don't let ENABLE_HLSL change struct/class layout.

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This commit is contained in:
John Kessenich 2019-11-14 03:20:06 -07:00
parent 37dcb89457
commit 3c0d2e5b67
12 changed files with 34 additions and 40 deletions
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32
glslang/Include/Types.h
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@ -80,27 +80,13 @@ struct TSampler { // misnomer now; includes images, textures without sampler,
bool image : 1; // image, combined should be false
bool combined : 1; // true means texture is combined with a sampler, false means texture with no sampler
bool sampler : 1; // true means a pure sampler, other fields should be clear()
#ifdef ENABLE_HLSL
unsigned int vectorSize : 3; // vector return type size.
unsigned int getVectorSize() const { return vectorSize; }
void clearReturnStruct() { structReturnIndex = noReturnStruct; }
bool hasReturnStruct() const { return structReturnIndex != noReturnStruct; }
unsigned getStructReturnIndex() const { return structReturnIndex; }
static const unsigned structReturnIndexBits = 4; // number of index bits to use.
static const unsigned structReturnSlots = (1<<structReturnIndexBits)-1; // number of valid values
static const unsigned noReturnStruct = structReturnSlots; // value if no return struct type.
// Index into a language specific table of texture return structures.
unsigned int structReturnIndex : structReturnIndexBits;
#else
#ifdef GLSLANG_WEB
unsigned int getVectorSize() const { return 4; }
void clearReturnStruct() const { }
bool hasReturnStruct() const { return false; }
unsigned getStructReturnIndex() const { return 0; }
#endif
#ifdef GLSLANG_WEB
bool is1D() const { return false; }
bool isBuffer() const { return false; }
bool isRect() const { return false; }
@ -113,10 +99,22 @@ struct TSampler { // misnomer now; includes images, textures without sampler,
void setExternal(bool e) { }
bool isYuv() const { return false; }
#else
bool external : 1; // GL_OES_EGL_image_external
bool yuv : 1; // GL_EXT_YUV_target
unsigned int vectorSize : 3; // vector return type size.
// Some languages support structures as sample results. Storing the whole structure in the
// TSampler is too large, so there is an index to a separate table.
static const unsigned structReturnIndexBits = 4; // number of index bits to use.
static const unsigned structReturnSlots = (1<<structReturnIndexBits)-1; // number of valid values
static const unsigned noReturnStruct = structReturnSlots; // value if no return struct type.
// Index into a language specific table of texture return structures.
unsigned int structReturnIndex : structReturnIndexBits;
bool external : 1; // GL_OES_EGL_image_external
bool yuv : 1; // GL_EXT_YUV_target
unsigned int getVectorSize() const { return vectorSize; }
void clearReturnStruct() { structReturnIndex = noReturnStruct; }
bool hasReturnStruct() const { return structReturnIndex != noReturnStruct; }
unsigned getStructReturnIndex() const { return structReturnIndex; }
bool is1D() const { return dim == Esd1D; }
bool isBuffer() const { return dim == EsdBuffer; }