зеркало из https://github.com/mozilla/gecko-dev.git
Bug 817785 - Split out WebGLProgram into separate files
This commit is contained in:
Saurabh Anand
Родитель
912e95ddb8
Коммит
a5e8e36119
|
|
@ -10,12 +10,12 @@
|
|||
#include "WebGLObjectModel.h"
|
||||
#include "WebGLShader.h"
|
||||
#include "WebGLBuffer.h"
|
||||
#include "WebGLProgram.h"
|
||||
#include "WebGLRenderbuffer.h"
|
||||
#include "WebGLTexture.h"
|
||||
#include "WebGLVertexAttribData.h"
|
||||
#include "WebGLShaderPrecisionFormat.h"
|
||||
#include <stdarg.h>
|
||||
#include <vector>
|
||||
|
||||
#include "nsTArray.h"
|
||||
#include "nsDataHashtable.h"
|
||||
|
|
@ -70,7 +70,6 @@ class nsIPropertyBag;
|
|||
|
||||
namespace mozilla {
|
||||
|
||||
class WebGLProgram;
|
||||
class WebGLFramebuffer;
|
||||
class WebGLUniformLocation;
|
||||
class WebGLMemoryPressureObserver;
|
||||
|
|
@ -1160,325 +1159,6 @@ ToSupports(WebGLContext* context)
|
|||
return static_cast<nsICanvasRenderingContextInternal*>(context);
|
||||
}
|
||||
|
||||
/** Takes an ASCII string like "foo[i]", turns it into "foo" and returns "[i]" in bracketPart
|
||||
*
|
||||
* \param string input/output: the string to split, becomes the string without the bracket part
|
||||
* \param bracketPart output: gets the bracket part.
|
||||
*
|
||||
* Notice that if there are multiple brackets like "foo[i].bar[j]", only the last bracket is split.
|
||||
*/
|
||||
static bool SplitLastSquareBracket(nsACString& string, nsCString& bracketPart)
|
||||
{
|
||||
MOZ_ASSERT(bracketPart.IsEmpty(), "SplitLastSquareBracket must be called with empty bracketPart string");
|
||||
|
||||
if (string.IsEmpty())
|
||||
return false;
|
||||
|
||||
char *string_start = string.BeginWriting();
|
||||
char *s = string_start + string.Length() - 1;
|
||||
|
||||
if (*s != ']')
|
||||
return false;
|
||||
|
||||
while (*s != '[' && s != string_start)
|
||||
s--;
|
||||
|
||||
if (*s != '[')
|
||||
return false;
|
||||
|
||||
bracketPart.Assign(s);
|
||||
*s = 0;
|
||||
string.EndWriting();
|
||||
string.SetLength(s - string_start);
|
||||
return true;
|
||||
}
|
||||
|
||||
typedef nsDataHashtable<nsCStringHashKey, nsCString> CStringMap;
|
||||
typedef nsDataHashtable<nsCStringHashKey, WebGLUniformInfo> CStringToUniformInfoMap;
|
||||
|
||||
class WebGLProgram MOZ_FINAL
|
||||
: public nsISupports
|
||||
, public WebGLRefCountedObject<WebGLProgram>
|
||||
, public LinkedListElement<WebGLProgram>
|
||||
, public WebGLContextBoundObject
|
||||
, public nsWrapperCache
|
||||
{
|
||||
public:
|
||||
WebGLProgram(WebGLContext *context)
|
||||
: WebGLContextBoundObject(context)
|
||||
, mLinkStatus(false)
|
||||
, mGeneration(0)
|
||||
, mAttribMaxNameLength(0)
|
||||
{
|
||||
SetIsDOMBinding();
|
||||
mContext->MakeContextCurrent();
|
||||
mGLName = mContext->gl->fCreateProgram();
|
||||
mContext->mPrograms.insertBack(this);
|
||||
}
|
||||
|
||||
~WebGLProgram() {
|
||||
DeleteOnce();
|
||||
}
|
||||
|
||||
void Delete() {
|
||||
DetachShaders();
|
||||
mContext->MakeContextCurrent();
|
||||
mContext->gl->fDeleteProgram(mGLName);
|
||||
LinkedListElement<WebGLProgram>::removeFrom(mContext->mPrograms);
|
||||
}
|
||||
|
||||
void DetachShaders() {
|
||||
mAttachedShaders.Clear();
|
||||
}
|
||||
|
||||
WebGLuint GLName() { return mGLName; }
|
||||
const nsTArray<WebGLRefPtr<WebGLShader> >& AttachedShaders() const { return mAttachedShaders; }
|
||||
bool LinkStatus() { return mLinkStatus; }
|
||||
uint32_t Generation() const { return mGeneration.value(); }
|
||||
void SetLinkStatus(bool val) { mLinkStatus = val; }
|
||||
|
||||
bool ContainsShader(WebGLShader *shader) {
|
||||
return mAttachedShaders.Contains(shader);
|
||||
}
|
||||
|
||||
// return true if the shader wasn't already attached
|
||||
bool AttachShader(WebGLShader *shader) {
|
||||
if (ContainsShader(shader))
|
||||
return false;
|
||||
mAttachedShaders.AppendElement(shader);
|
||||
|
||||
mContext->MakeContextCurrent();
|
||||
mContext->gl->fAttachShader(GLName(), shader->GLName());
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
// return true if the shader was found and removed
|
||||
bool DetachShader(WebGLShader *shader) {
|
||||
if (!mAttachedShaders.RemoveElement(shader))
|
||||
return false;
|
||||
|
||||
mContext->MakeContextCurrent();
|
||||
mContext->gl->fDetachShader(GLName(), shader->GLName());
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
bool HasAttachedShaderOfType(GLenum shaderType) {
|
||||
for (uint32_t i = 0; i < mAttachedShaders.Length(); ++i) {
|
||||
if (mAttachedShaders[i] && mAttachedShaders[i]->ShaderType() == shaderType) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
bool HasBothShaderTypesAttached() {
|
||||
return
|
||||
HasAttachedShaderOfType(LOCAL_GL_VERTEX_SHADER) &&
|
||||
HasAttachedShaderOfType(LOCAL_GL_FRAGMENT_SHADER);
|
||||
}
|
||||
|
||||
bool HasBadShaderAttached() {
|
||||
for (uint32_t i = 0; i < mAttachedShaders.Length(); ++i) {
|
||||
if (mAttachedShaders[i] && !mAttachedShaders[i]->CompileStatus()) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
size_t UpperBoundNumSamplerUniforms() {
|
||||
size_t numSamplerUniforms = 0;
|
||||
for (size_t i = 0; i < mAttachedShaders.Length(); ++i) {
|
||||
const WebGLShader *shader = mAttachedShaders[i];
|
||||
if (!shader)
|
||||
continue;
|
||||
for (size_t j = 0; j < shader->mUniformInfos.Length(); ++j) {
|
||||
WebGLUniformInfo u = shader->mUniformInfos[j];
|
||||
if (u.type == SH_SAMPLER_2D ||
|
||||
u.type == SH_SAMPLER_CUBE)
|
||||
{
|
||||
numSamplerUniforms += u.arraySize;
|
||||
}
|
||||
}
|
||||
}
|
||||
return numSamplerUniforms;
|
||||
}
|
||||
|
||||
bool NextGeneration()
|
||||
{
|
||||
if (!(mGeneration + 1).isValid())
|
||||
return false; // must exit without changing mGeneration
|
||||
++mGeneration;
|
||||
return true;
|
||||
}
|
||||
|
||||
/* Called only after LinkProgram */
|
||||
bool UpdateInfo();
|
||||
|
||||
/* Getters for cached program info */
|
||||
bool IsAttribInUse(unsigned i) const { return mAttribsInUse[i]; }
|
||||
|
||||
/* Maps identifier |name| to the mapped identifier |*mappedName|
|
||||
* Both are ASCII strings.
|
||||
*/
|
||||
void MapIdentifier(const nsACString& name, nsCString *mappedName) {
|
||||
if (!mIdentifierMap) {
|
||||
// if the identifier map doesn't exist yet, build it now
|
||||
mIdentifierMap = new CStringMap;
|
||||
mIdentifierMap->Init();
|
||||
for (size_t i = 0; i < mAttachedShaders.Length(); i++) {
|
||||
for (size_t j = 0; j < mAttachedShaders[i]->mAttributes.Length(); j++) {
|
||||
const WebGLMappedIdentifier& attrib = mAttachedShaders[i]->mAttributes[j];
|
||||
mIdentifierMap->Put(attrib.original, attrib.mapped);
|
||||
}
|
||||
for (size_t j = 0; j < mAttachedShaders[i]->mUniforms.Length(); j++) {
|
||||
const WebGLMappedIdentifier& uniform = mAttachedShaders[i]->mUniforms[j];
|
||||
mIdentifierMap->Put(uniform.original, uniform.mapped);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
nsCString mutableName(name);
|
||||
nsCString bracketPart;
|
||||
bool hadBracketPart = SplitLastSquareBracket(mutableName, bracketPart);
|
||||
if (hadBracketPart)
|
||||
mutableName.AppendLiteral("[0]");
|
||||
|
||||
if (mIdentifierMap->Get(mutableName, mappedName)) {
|
||||
if (hadBracketPart) {
|
||||
nsCString mappedBracketPart;
|
||||
bool mappedHadBracketPart = SplitLastSquareBracket(*mappedName, mappedBracketPart);
|
||||
if (mappedHadBracketPart)
|
||||
mappedName->Append(bracketPart);
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
// not found? We might be in the situation we have a uniform array name and the GL's glGetActiveUniform
|
||||
// returned its name without [0], as is allowed by desktop GL but not in ES. Let's then try with [0].
|
||||
mutableName.AppendLiteral("[0]");
|
||||
if (mIdentifierMap->Get(mutableName, mappedName))
|
||||
return;
|
||||
|
||||
// not found? return name unchanged. This case happens e.g. on bad user input, or when
|
||||
// we're not using identifier mapping, or if we didn't store an identifier in the map because
|
||||
// e.g. its mapping is trivial (as happens for short identifiers)
|
||||
mappedName->Assign(name);
|
||||
}
|
||||
|
||||
/* Un-maps mapped identifier |name| to the original identifier |*reverseMappedName|
|
||||
* Both are ASCII strings.
|
||||
*/
|
||||
void ReverseMapIdentifier(const nsACString& name, nsCString *reverseMappedName) {
|
||||
if (!mIdentifierReverseMap) {
|
||||
// if the identifier reverse map doesn't exist yet, build it now
|
||||
mIdentifierReverseMap = new CStringMap;
|
||||
mIdentifierReverseMap->Init();
|
||||
for (size_t i = 0; i < mAttachedShaders.Length(); i++) {
|
||||
for (size_t j = 0; j < mAttachedShaders[i]->mAttributes.Length(); j++) {
|
||||
const WebGLMappedIdentifier& attrib = mAttachedShaders[i]->mAttributes[j];
|
||||
mIdentifierReverseMap->Put(attrib.mapped, attrib.original);
|
||||
}
|
||||
for (size_t j = 0; j < mAttachedShaders[i]->mUniforms.Length(); j++) {
|
||||
const WebGLMappedIdentifier& uniform = mAttachedShaders[i]->mUniforms[j];
|
||||
mIdentifierReverseMap->Put(uniform.mapped, uniform.original);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
nsCString mutableName(name);
|
||||
nsCString bracketPart;
|
||||
bool hadBracketPart = SplitLastSquareBracket(mutableName, bracketPart);
|
||||
if (hadBracketPart)
|
||||
mutableName.AppendLiteral("[0]");
|
||||
|
||||
if (mIdentifierReverseMap->Get(mutableName, reverseMappedName)) {
|
||||
if (hadBracketPart) {
|
||||
nsCString reverseMappedBracketPart;
|
||||
bool reverseMappedHadBracketPart = SplitLastSquareBracket(*reverseMappedName, reverseMappedBracketPart);
|
||||
if (reverseMappedHadBracketPart)
|
||||
reverseMappedName->Append(bracketPart);
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
// not found? We might be in the situation we have a uniform array name and the GL's glGetActiveUniform
|
||||
// returned its name without [0], as is allowed by desktop GL but not in ES. Let's then try with [0].
|
||||
mutableName.AppendLiteral("[0]");
|
||||
if (mIdentifierReverseMap->Get(mutableName, reverseMappedName))
|
||||
return;
|
||||
|
||||
// not found? return name unchanged. This case happens e.g. on bad user input, or when
|
||||
// we're not using identifier mapping, or if we didn't store an identifier in the map because
|
||||
// e.g. its mapping is trivial (as happens for short identifiers)
|
||||
reverseMappedName->Assign(name);
|
||||
}
|
||||
|
||||
/* Returns the uniform array size (or 1 if the uniform is not an array) of
|
||||
* the uniform with given mapped identifier.
|
||||
*
|
||||
* Note: the input string |name| is the mapped identifier, not the original identifier.
|
||||
*/
|
||||
WebGLUniformInfo GetUniformInfoForMappedIdentifier(const nsACString& name) {
|
||||
if (!mUniformInfoMap) {
|
||||
// if the identifier-to-array-size map doesn't exist yet, build it now
|
||||
mUniformInfoMap = new CStringToUniformInfoMap;
|
||||
mUniformInfoMap->Init();
|
||||
for (size_t i = 0; i < mAttachedShaders.Length(); i++) {
|
||||
for (size_t j = 0; j < mAttachedShaders[i]->mUniforms.Length(); j++) {
|
||||
const WebGLMappedIdentifier& uniform = mAttachedShaders[i]->mUniforms[j];
|
||||
const WebGLUniformInfo& info = mAttachedShaders[i]->mUniformInfos[j];
|
||||
mUniformInfoMap->Put(uniform.mapped, info);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
nsCString mutableName(name);
|
||||
nsCString bracketPart;
|
||||
bool hadBracketPart = SplitLastSquareBracket(mutableName, bracketPart);
|
||||
// if there is a bracket, we're either an array or an entry in an array.
|
||||
if (hadBracketPart)
|
||||
mutableName.AppendLiteral("[0]");
|
||||
|
||||
WebGLUniformInfo info;
|
||||
mUniformInfoMap->Get(mutableName, &info);
|
||||
// we don't check if that Get failed, as if it did, it left info with default values
|
||||
|
||||
// if there is a bracket and it's not [0], then we're not an array, we're just an entry in an array
|
||||
if (hadBracketPart && !bracketPart.EqualsLiteral("[0]")) {
|
||||
info.isArray = false;
|
||||
info.arraySize = 1;
|
||||
}
|
||||
return info;
|
||||
}
|
||||
|
||||
WebGLContext *GetParentObject() const {
|
||||
return Context();
|
||||
}
|
||||
|
||||
virtual JSObject* WrapObject(JSContext *cx, JSObject *scope, bool *triedToWrap);
|
||||
|
||||
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
|
||||
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(WebGLProgram)
|
||||
|
||||
protected:
|
||||
|
||||
WebGLuint mGLName;
|
||||
bool mLinkStatus;
|
||||
// attached shaders of the program object
|
||||
nsTArray<WebGLRefPtr<WebGLShader> > mAttachedShaders;
|
||||
CheckedUint32 mGeneration;
|
||||
|
||||
// post-link data
|
||||
std::vector<bool> mAttribsInUse;
|
||||
nsAutoPtr<CStringMap> mIdentifierMap, mIdentifierReverseMap;
|
||||
nsAutoPtr<CStringToUniformInfoMap> mUniformInfoMap;
|
||||
int mAttribMaxNameLength;
|
||||
};
|
||||
|
||||
|
||||
class WebGLFramebufferAttachment
|
||||
{
|
||||
// deleting a texture or renderbuffer immediately detaches it
|
||||
|
|
|
|||
|
|
@ -38,8 +38,13 @@ WebGLProgram::UpdateInfo()
|
|||
GLint attribCount;
|
||||
mContext->gl->fGetProgramiv(mGLName, LOCAL_GL_ACTIVE_ATTRIBUTES, &attribCount);
|
||||
|
||||
mAttribsInUse.resize(mContext->mGLMaxVertexAttribs);
|
||||
std::fill(mAttribsInUse.begin(), mAttribsInUse.end(), false);
|
||||
if (!mAttribsInUse.SetLength(mContext->mGLMaxVertexAttribs)) {
|
||||
mContext->ErrorOutOfMemory("updateInfo: out of memory to allocate %d attribs", mContext->mGLMaxVertexAttribs);
|
||||
return false;
|
||||
}
|
||||
|
||||
for (size_t i = 0; i < mAttribsInUse.Length(); i++)
|
||||
mAttribsInUse[i] = false;
|
||||
|
||||
nsAutoArrayPtr<char> nameBuf(new char[mAttribMaxNameLength]);
|
||||
|
||||
|
|
|
|||
|
|
@ -4,15 +4,257 @@
|
|||
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
||||
|
||||
#include "WebGLContext.h"
|
||||
#include "WebGLProgram.h"
|
||||
#include "mozilla/dom/WebGLRenderingContextBinding.h"
|
||||
|
||||
using namespace mozilla;
|
||||
|
||||
/** Takes an ASCII string like "foo[i]", turns it into "foo" and returns "[i]" in bracketPart
|
||||
*
|
||||
* \param string input/output: the string to split, becomes the string without the bracket part
|
||||
* \param bracketPart output: gets the bracket part.
|
||||
*
|
||||
* Notice that if there are multiple brackets like "foo[i].bar[j]", only the last bracket is split.
|
||||
*/
|
||||
static bool SplitLastSquareBracket(nsACString& string, nsCString& bracketPart)
|
||||
{
|
||||
MOZ_ASSERT(bracketPart.IsEmpty(), "SplitLastSquareBracket must be called with empty bracketPart string");
|
||||
|
||||
if (string.IsEmpty())
|
||||
return false;
|
||||
|
||||
char *string_start = string.BeginWriting();
|
||||
char *s = string_start + string.Length() - 1;
|
||||
|
||||
if (*s != ']')
|
||||
return false;
|
||||
|
||||
while (*s != '[' && s != string_start)
|
||||
s--;
|
||||
|
||||
if (*s != '[')
|
||||
return false;
|
||||
|
||||
bracketPart.Assign(s);
|
||||
*s = 0;
|
||||
string.EndWriting();
|
||||
string.SetLength(s - string_start);
|
||||
return true;
|
||||
}
|
||||
|
||||
JSObject*
|
||||
WebGLProgram::WrapObject(JSContext *cx, JSObject *scope, bool *triedToWrap) {
|
||||
return dom::WebGLProgramBinding::Wrap(cx, scope, this, triedToWrap);
|
||||
}
|
||||
|
||||
WebGLProgram::WebGLProgram(WebGLContext *context)
|
||||
: WebGLContextBoundObject(context)
|
||||
, mLinkStatus(false)
|
||||
, mGeneration(0)
|
||||
, mAttribMaxNameLength(0)
|
||||
{
|
||||
SetIsDOMBinding();
|
||||
mContext->MakeContextCurrent();
|
||||
mGLName = mContext->gl->fCreateProgram();
|
||||
mContext->mPrograms.insertBack(this);
|
||||
}
|
||||
|
||||
void
|
||||
WebGLProgram::Delete() {
|
||||
DetachShaders();
|
||||
mContext->MakeContextCurrent();
|
||||
mContext->gl->fDeleteProgram(mGLName);
|
||||
LinkedListElement<WebGLProgram>::removeFrom(mContext->mPrograms);
|
||||
}
|
||||
|
||||
bool
|
||||
WebGLProgram::AttachShader(WebGLShader *shader) {
|
||||
if (ContainsShader(shader))
|
||||
return false;
|
||||
mAttachedShaders.AppendElement(shader);
|
||||
|
||||
mContext->MakeContextCurrent();
|
||||
mContext->gl->fAttachShader(GLName(), shader->GLName());
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
bool
|
||||
WebGLProgram::DetachShader(WebGLShader *shader) {
|
||||
if (!mAttachedShaders.RemoveElement(shader))
|
||||
return false;
|
||||
|
||||
mContext->MakeContextCurrent();
|
||||
mContext->gl->fDetachShader(GLName(), shader->GLName());
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
bool
|
||||
WebGLProgram::HasAttachedShaderOfType(GLenum shaderType) {
|
||||
for (uint32_t i = 0; i < mAttachedShaders.Length(); ++i) {
|
||||
if (mAttachedShaders[i] && mAttachedShaders[i]->ShaderType() == shaderType) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
bool
|
||||
WebGLProgram::HasBadShaderAttached() {
|
||||
for (uint32_t i = 0; i < mAttachedShaders.Length(); ++i) {
|
||||
if (mAttachedShaders[i] && !mAttachedShaders[i]->CompileStatus()) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
size_t
|
||||
WebGLProgram::UpperBoundNumSamplerUniforms() {
|
||||
size_t numSamplerUniforms = 0;
|
||||
for (size_t i = 0; i < mAttachedShaders.Length(); ++i) {
|
||||
const WebGLShader *shader = mAttachedShaders[i];
|
||||
if (!shader)
|
||||
continue;
|
||||
for (size_t j = 0; j < shader->mUniformInfos.Length(); ++j) {
|
||||
WebGLUniformInfo u = shader->mUniformInfos[j];
|
||||
if (u.type == SH_SAMPLER_2D ||
|
||||
u.type == SH_SAMPLER_CUBE)
|
||||
{
|
||||
numSamplerUniforms += u.arraySize;
|
||||
}
|
||||
}
|
||||
}
|
||||
return numSamplerUniforms;
|
||||
}
|
||||
|
||||
void
|
||||
WebGLProgram::MapIdentifier(const nsACString& name, nsCString *mappedName) {
|
||||
if (!mIdentifierMap) {
|
||||
// if the identifier map doesn't exist yet, build it now
|
||||
mIdentifierMap = new CStringMap;
|
||||
mIdentifierMap->Init();
|
||||
for (size_t i = 0; i < mAttachedShaders.Length(); i++) {
|
||||
for (size_t j = 0; j < mAttachedShaders[i]->mAttributes.Length(); j++) {
|
||||
const WebGLMappedIdentifier& attrib = mAttachedShaders[i]->mAttributes[j];
|
||||
mIdentifierMap->Put(attrib.original, attrib.mapped);
|
||||
}
|
||||
for (size_t j = 0; j < mAttachedShaders[i]->mUniforms.Length(); j++) {
|
||||
const WebGLMappedIdentifier& uniform = mAttachedShaders[i]->mUniforms[j];
|
||||
mIdentifierMap->Put(uniform.original, uniform.mapped);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
nsCString mutableName(name);
|
||||
nsCString bracketPart;
|
||||
bool hadBracketPart = SplitLastSquareBracket(mutableName, bracketPart);
|
||||
if (hadBracketPart)
|
||||
mutableName.AppendLiteral("[0]");
|
||||
|
||||
if (mIdentifierMap->Get(mutableName, mappedName)) {
|
||||
if (hadBracketPart) {
|
||||
nsCString mappedBracketPart;
|
||||
bool mappedHadBracketPart = SplitLastSquareBracket(*mappedName, mappedBracketPart);
|
||||
if (mappedHadBracketPart)
|
||||
mappedName->Append(bracketPart);
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
// not found? We might be in the situation we have a uniform array name and the GL's glGetActiveUniform
|
||||
// returned its name without [0], as is allowed by desktop GL but not in ES. Let's then try with [0].
|
||||
mutableName.AppendLiteral("[0]");
|
||||
if (mIdentifierMap->Get(mutableName, mappedName))
|
||||
return;
|
||||
|
||||
// not found? return name unchanged. This case happens e.g. on bad user input, or when
|
||||
// we're not using identifier mapping, or if we didn't store an identifier in the map because
|
||||
// e.g. its mapping is trivial (as happens for short identifiers)
|
||||
mappedName->Assign(name);
|
||||
}
|
||||
|
||||
void
|
||||
WebGLProgram::ReverseMapIdentifier(const nsACString& name, nsCString *reverseMappedName) {
|
||||
if (!mIdentifierReverseMap) {
|
||||
// if the identifier reverse map doesn't exist yet, build it now
|
||||
mIdentifierReverseMap = new CStringMap;
|
||||
mIdentifierReverseMap->Init();
|
||||
for (size_t i = 0; i < mAttachedShaders.Length(); i++) {
|
||||
for (size_t j = 0; j < mAttachedShaders[i]->mAttributes.Length(); j++) {
|
||||
const WebGLMappedIdentifier& attrib = mAttachedShaders[i]->mAttributes[j];
|
||||
mIdentifierReverseMap->Put(attrib.mapped, attrib.original);
|
||||
}
|
||||
for (size_t j = 0; j < mAttachedShaders[i]->mUniforms.Length(); j++) {
|
||||
const WebGLMappedIdentifier& uniform = mAttachedShaders[i]->mUniforms[j];
|
||||
mIdentifierReverseMap->Put(uniform.mapped, uniform.original);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
nsCString mutableName(name);
|
||||
nsCString bracketPart;
|
||||
bool hadBracketPart = SplitLastSquareBracket(mutableName, bracketPart);
|
||||
if (hadBracketPart)
|
||||
mutableName.AppendLiteral("[0]");
|
||||
|
||||
if (mIdentifierReverseMap->Get(mutableName, reverseMappedName)) {
|
||||
if (hadBracketPart) {
|
||||
nsCString reverseMappedBracketPart;
|
||||
bool reverseMappedHadBracketPart = SplitLastSquareBracket(*reverseMappedName, reverseMappedBracketPart);
|
||||
if (reverseMappedHadBracketPart)
|
||||
reverseMappedName->Append(bracketPart);
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
// not found? We might be in the situation we have a uniform array name and the GL's glGetActiveUniform
|
||||
// returned its name without [0], as is allowed by desktop GL but not in ES. Let's then try with [0].
|
||||
mutableName.AppendLiteral("[0]");
|
||||
if (mIdentifierReverseMap->Get(mutableName, reverseMappedName))
|
||||
return;
|
||||
|
||||
// not found? return name unchanged. This case happens e.g. on bad user input, or when
|
||||
// we're not using identifier mapping, or if we didn't store an identifier in the map because
|
||||
// e.g. its mapping is trivial (as happens for short identifiers)
|
||||
reverseMappedName->Assign(name);
|
||||
}
|
||||
|
||||
WebGLUniformInfo
|
||||
WebGLProgram::GetUniformInfoForMappedIdentifier(const nsACString& name) {
|
||||
if (!mUniformInfoMap) {
|
||||
// if the identifier-to-array-size map doesn't exist yet, build it now
|
||||
mUniformInfoMap = new CStringToUniformInfoMap;
|
||||
mUniformInfoMap->Init();
|
||||
for (size_t i = 0; i < mAttachedShaders.Length(); i++) {
|
||||
for (size_t j = 0; j < mAttachedShaders[i]->mUniforms.Length(); j++) {
|
||||
const WebGLMappedIdentifier& uniform = mAttachedShaders[i]->mUniforms[j];
|
||||
const WebGLUniformInfo& info = mAttachedShaders[i]->mUniformInfos[j];
|
||||
mUniformInfoMap->Put(uniform.mapped, info);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
nsCString mutableName(name);
|
||||
nsCString bracketPart;
|
||||
bool hadBracketPart = SplitLastSquareBracket(mutableName, bracketPart);
|
||||
// if there is a bracket, we're either an array or an entry in an array.
|
||||
if (hadBracketPart)
|
||||
mutableName.AppendLiteral("[0]");
|
||||
|
||||
WebGLUniformInfo info;
|
||||
mUniformInfoMap->Get(mutableName, &info);
|
||||
// we don't check if that Get failed, as if it did, it left info with default values
|
||||
|
||||
// if there is a bracket and it's not [0], then we're not an array, we're just an entry in an array
|
||||
if (hadBracketPart && !bracketPart.EqualsLiteral("[0]")) {
|
||||
info.isArray = false;
|
||||
info.arraySize = 1;
|
||||
}
|
||||
return info;
|
||||
}
|
||||
|
||||
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_1(WebGLProgram, mAttachedShaders)
|
||||
|
||||
NS_IMPL_CYCLE_COLLECTING_ADDREF(WebGLProgram)
|
||||
|
|
|
|||
|
|
@ -0,0 +1,127 @@
|
|||
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
||||
/* This Source Code Form is subject to the terms of the Mozilla Public
|
||||
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
||||
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
||||
|
||||
#ifndef WEBGLPROGRAM_H_
|
||||
#define WEBGLPROGRAM_H_
|
||||
|
||||
#include "WebGLObjectModel.h"
|
||||
#include "WebGLShader.h"
|
||||
|
||||
#include "nsWrapperCache.h"
|
||||
|
||||
#include "mozilla/LinkedList.h"
|
||||
#include "mozilla/CheckedInt.h"
|
||||
|
||||
namespace mozilla {
|
||||
|
||||
typedef nsDataHashtable<nsCStringHashKey, nsCString> CStringMap;
|
||||
typedef nsDataHashtable<nsCStringHashKey, WebGLUniformInfo> CStringToUniformInfoMap;
|
||||
|
||||
class WebGLProgram MOZ_FINAL
|
||||
: public nsISupports
|
||||
, public WebGLRefCountedObject<WebGLProgram>
|
||||
, public LinkedListElement<WebGLProgram>
|
||||
, public WebGLContextBoundObject
|
||||
, public nsWrapperCache
|
||||
{
|
||||
public:
|
||||
WebGLProgram(WebGLContext *context);
|
||||
|
||||
~WebGLProgram() {
|
||||
DeleteOnce();
|
||||
}
|
||||
|
||||
void Delete();
|
||||
|
||||
void DetachShaders() {
|
||||
mAttachedShaders.Clear();
|
||||
}
|
||||
|
||||
WebGLuint GLName() { return mGLName; }
|
||||
const nsTArray<WebGLRefPtr<WebGLShader> >& AttachedShaders() const { return mAttachedShaders; }
|
||||
bool LinkStatus() { return mLinkStatus; }
|
||||
uint32_t Generation() const { return mGeneration.value(); }
|
||||
void SetLinkStatus(bool val) { mLinkStatus = val; }
|
||||
|
||||
bool ContainsShader(WebGLShader *shader) {
|
||||
return mAttachedShaders.Contains(shader);
|
||||
}
|
||||
|
||||
// return true if the shader wasn't already attached
|
||||
bool AttachShader(WebGLShader *shader);
|
||||
|
||||
// return true if the shader was found and removed
|
||||
bool DetachShader(WebGLShader *shader);
|
||||
|
||||
bool HasAttachedShaderOfType(GLenum shaderType);
|
||||
|
||||
bool HasBothShaderTypesAttached() {
|
||||
return
|
||||
HasAttachedShaderOfType(LOCAL_GL_VERTEX_SHADER) &&
|
||||
HasAttachedShaderOfType(LOCAL_GL_FRAGMENT_SHADER);
|
||||
}
|
||||
|
||||
bool HasBadShaderAttached();
|
||||
|
||||
size_t UpperBoundNumSamplerUniforms();
|
||||
|
||||
bool NextGeneration()
|
||||
{
|
||||
if (!(mGeneration + 1).isValid())
|
||||
return false; // must exit without changing mGeneration
|
||||
++mGeneration;
|
||||
return true;
|
||||
}
|
||||
|
||||
/* Called only after LinkProgram */
|
||||
bool UpdateInfo();
|
||||
|
||||
/* Getters for cached program info */
|
||||
bool IsAttribInUse(unsigned i) const { return mAttribsInUse[i]; }
|
||||
|
||||
/* Maps identifier |name| to the mapped identifier |*mappedName|
|
||||
* Both are ASCII strings.
|
||||
*/
|
||||
void MapIdentifier(const nsACString& name, nsCString *mappedName);
|
||||
|
||||
/* Un-maps mapped identifier |name| to the original identifier |*reverseMappedName|
|
||||
* Both are ASCII strings.
|
||||
*/
|
||||
void ReverseMapIdentifier(const nsACString& name, nsCString *reverseMappedName);
|
||||
|
||||
/* Returns the uniform array size (or 1 if the uniform is not an array) of
|
||||
* the uniform with given mapped identifier.
|
||||
*
|
||||
* Note: the input string |name| is the mapped identifier, not the original identifier.
|
||||
*/
|
||||
WebGLUniformInfo GetUniformInfoForMappedIdentifier(const nsACString& name);
|
||||
|
||||
WebGLContext *GetParentObject() const {
|
||||
return Context();
|
||||
}
|
||||
|
||||
virtual JSObject* WrapObject(JSContext *cx, JSObject *scope, bool *triedToWrap);
|
||||
|
||||
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
|
||||
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(WebGLProgram)
|
||||
|
||||
protected:
|
||||
|
||||
WebGLuint mGLName;
|
||||
bool mLinkStatus;
|
||||
// attached shaders of the program object
|
||||
nsTArray<WebGLRefPtr<WebGLShader> > mAttachedShaders;
|
||||
CheckedUint32 mGeneration;
|
||||
|
||||
// post-link data
|
||||
nsTArray<bool> mAttribsInUse;
|
||||
nsAutoPtr<CStringMap> mIdentifierMap, mIdentifierReverseMap;
|
||||
nsAutoPtr<CStringToUniformInfoMap> mUniformInfoMap;
|
||||
int mAttribMaxNameLength;
|
||||
};
|
||||
|
||||
} // namespace mozilla
|
||||
|
||||
#endif
|
||||
Загрузка…
Ссылка в новой задаче