already_AddRefed<WebGLUniformLocation>
WebGLProgram::GetUniformLocation(const nsAString& userName_wide) const
{
if (!ValidateGLSLVariableName(userName_wide, mContext, "getUniformLocation"))
return nullptr;
if (!IsLinked()) {
mContext->ErrorInvalidOperation("getUniformLocation: `program` must be linked.");
return nullptr;
}
const NS_LossyConvertUTF16toASCII userName(userName_wide);
nsDependentCString baseUserName;
bool isArray = false;
// GLES 2.0.25, Section 2.10, p35
// If the the uniform location is an array, then the location of the first
// element of that array can be retrieved by either using the name of the
// uniform array, or the name of the uniform array appended with "[0]".
// The ParseName() can't recognize this rule. So always initialize
// arrayIndex with 0.
size_t arrayIndex = 0;
if (!ParseName(userName, &baseUserName, &isArray, &arrayIndex))
return nullptr;
const WebGLActiveInfo* activeInfo;
if (!LinkInfo()->FindUniform(baseUserName, &activeInfo))
return nullptr;
const nsCString& baseMappedName = activeInfo->mBaseMappedName;
nsAutoCString mappedName(baseMappedName);
if (isArray) {
mappedName.AppendLiteral("[");
mappedName.AppendInt(uint32_t(arrayIndex));
mappedName.AppendLiteral("]");
}
gl::GLContext* gl = mContext->GL();
gl->MakeCurrent();
GLint loc = gl->fGetUniformLocation(mGLName, mappedName.BeginReading());
if (loc == -1)
return nullptr;
RefPtr<WebGLUniformLocation> locObj = new WebGLUniformLocation(mContext, LinkInfo(),
loc, arrayIndex,
activeInfo);
return locObj.forget();
}
void
WebGLProgram::GetActiveUniformBlockParam(GLuint uniformBlockIndex, GLenum pname,
dom::Nullable<dom::OwningUnsignedLongOrUint32ArrayOrBoolean>& retval) const
{
retval.SetNull();
if (!IsLinked()) {
mContext->ErrorInvalidOperation("getActiveUniformBlockParameter: `program` must be linked.");
return;
}
const webgl::LinkedProgramInfo* linkInfo = LinkInfo();
GLuint uniformBlockCount = (GLuint)linkInfo->uniformBlocks.size();
if (uniformBlockIndex >= uniformBlockCount) {
mContext->ErrorInvalidValue("getActiveUniformBlockParameter: index %u invalid.", uniformBlockIndex);
return;
}
gl::GLContext* gl = mContext->GL();
GLint param = 0;
switch (pname) {
case LOCAL_GL_UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER:
case LOCAL_GL_UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER:
gl->fGetActiveUniformBlockiv(mGLName, uniformBlockIndex, pname, ¶m);
retval.SetValue().SetAsBoolean() = (param != 0);
return;
case LOCAL_GL_UNIFORM_BLOCK_BINDING:
case LOCAL_GL_UNIFORM_BLOCK_DATA_SIZE:
case LOCAL_GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS:
gl->fGetActiveUniformBlockiv(mGLName, uniformBlockIndex, pname, ¶m);
retval.SetValue().SetAsUnsignedLong() = param;
return;
}
}
void
WebGLProgram::UniformBlockBinding(GLuint uniformBlockIndex,
GLuint uniformBlockBinding) const
{
const char funcName[] = "getActiveUniformBlockName";
if (!IsLinked()) {
mContext->ErrorInvalidOperation("%s: `program` must be linked.", funcName);
return;
}
const auto& uniformBlocks = LinkInfo()->uniformBlocks;
if (uniformBlockIndex >= uniformBlocks.size()) {
mContext->ErrorInvalidValue("%s: Index %u invalid.", funcName, uniformBlockIndex);
return;
}
const auto& uniformBlock = uniformBlocks[uniformBlockIndex];
const auto& indexedBindings = mContext->mIndexedUniformBufferBindings;
if (uniformBlockBinding >= indexedBindings.size()) {
mContext->ErrorInvalidValue("%s: Binding %u invalid.", funcName,
uniformBlockBinding);
return;
}
const auto& indexedBinding = indexedBindings[uniformBlockBinding];
////
gl::GLContext* gl = mContext->GL();
gl->MakeCurrent();
gl->fUniformBlockBinding(mGLName, uniformBlockIndex, uniformBlockBinding);
////
uniformBlock->mBinding = &indexedBinding;
}
JS::Value
WebGLProgram::GetActiveUniformBlockParam(GLuint uniformBlockIndex, GLenum pname) const
{
if (!IsLinked()) {
mContext->ErrorInvalidOperation("getActiveUniformBlockParameter: `program` must be linked.");
return JS::NullValue();
}
const webgl::LinkedProgramInfo* linkInfo = LinkInfo();
GLuint uniformBlockCount = (GLuint)linkInfo->uniformBlocks.size();
if (uniformBlockIndex >= uniformBlockCount) {
mContext->ErrorInvalidValue("getActiveUniformBlockParameter: index %u invalid.", uniformBlockIndex);
return JS::NullValue();
}
gl::GLContext* gl = mContext->GL();
GLint param = 0;
switch (pname) {
case LOCAL_GL_UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER:
case LOCAL_GL_UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER:
gl->fGetActiveUniformBlockiv(mGLName, uniformBlockIndex, pname, ¶m);
return JS::BooleanValue(bool(param));
case LOCAL_GL_UNIFORM_BLOCK_BINDING:
case LOCAL_GL_UNIFORM_BLOCK_DATA_SIZE:
case LOCAL_GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS:
gl->fGetActiveUniformBlockiv(mGLName, uniformBlockIndex, pname, ¶m);
return JS::NumberValue(param);
default:
MOZ_CRASH("bad `pname`.");
}
}
already_AddRefed<WebGLActiveInfo>
WebGLProgram::GetTransformFeedbackVarying(GLuint index)
{
// No docs in the WebGL 2 spec for this function. Taking the language for
// getActiveAttrib, which states that the function returns null on any error.
if (!IsLinked()) {
mContext->ErrorInvalidOperation("getTransformFeedbackVarying: `program` must be "
"linked.");
return nullptr;
}
if (index >= mTransformFeedbackVaryings.size()) {
mContext->ErrorInvalidValue("getTransformFeedbackVarying: `index` is greater or "
"equal to TRANSFORM_FEEDBACK_VARYINGS.");
return nullptr;
}
const nsCString& varyingUserName = mTransformFeedbackVaryings[index];
WebGLActiveInfo* info;
LinkInfo()->FindAttrib(varyingUserName, (const WebGLActiveInfo**) &info);
MOZ_ASSERT(info);
RefPtr<WebGLActiveInfo> ret(info);
return ret.forget();
}
already_AddRefed<WebGLUniformLocation>
WebGLProgram::GetUniformLocation(const nsAString& userName_wide) const
{
if (!ValidateGLSLVariableName(userName_wide, mContext, "getUniformLocation"))
return nullptr;
if (!IsLinked()) {
mContext->ErrorInvalidOperation("getUniformLocation: `program` must be linked.");
return nullptr;
}
const NS_LossyConvertUTF16toASCII userName(userName_wide);
nsDependentCString baseUserName;
bool isArray;
size_t arrayIndex;
if (!ParseName(userName, &baseUserName, &isArray, &arrayIndex))
return nullptr;
const WebGLActiveInfo* activeInfo;
if (!LinkInfo()->FindUniform(baseUserName, &activeInfo))
return nullptr;
const nsCString& baseMappedName = activeInfo->mBaseMappedName;
nsAutoCString mappedName(baseMappedName);
if (isArray) {
mappedName.AppendLiteral("[");
mappedName.AppendInt(uint32_t(arrayIndex));
mappedName.AppendLiteral("]");
}
gl::GLContext* gl = mContext->GL();
gl->MakeCurrent();
GLint loc = gl->fGetUniformLocation(mGLName, mappedName.BeginReading());
if (loc == -1)
return nullptr;
RefPtr<WebGLUniformLocation> locObj = new WebGLUniformLocation(mContext, LinkInfo(),
loc, activeInfo);
return locObj.forget();
}
void InterpositionServer::injectClient(Ref<EnvMap> map)
{
map->insert("CODETIPS_SOCKET", socketPath());
String libPath = LinkInfo((void*)&codetips_hook).libraryPath().replace("codetips.", "codetipsclient.");
#ifdef __MACH__
map->insert("DYLD_FORCE_FLAT_NAMESPACE", "");
map->insert("DYLD_INSERT_LIBRARIES", libPath);
#else
map->insert("LD_PRELOAD", libPath);
#endif
}
void
WebGLProgram::GetUniformIndices(const dom::Sequence<nsString>& uniformNames,
dom::Nullable< nsTArray<GLuint> >& retval) const
{
const char funcName[] = "getUniformIndices";
if (!IsLinked()) {
mContext->ErrorInvalidOperation("%s: `program` must be linked.", funcName);
return;
}
size_t count = uniformNames.Length();
nsTArray<GLuint>& arr = retval.SetValue();
gl::GLContext* gl = mContext->GL();
gl->MakeCurrent();
for (size_t i = 0; i < count; i++) {
const NS_LossyConvertUTF16toASCII userName(uniformNames[i]);
nsDependentCString baseUserName;
bool isArray;
size_t arrayIndex;
if (!ParseName(userName, &baseUserName, &isArray, &arrayIndex)) {
arr.AppendElement(LOCAL_GL_INVALID_INDEX);
continue;
}
webgl::UniformInfo* info;
if (!LinkInfo()->FindUniform(baseUserName, &info)) {
arr.AppendElement(LOCAL_GL_INVALID_INDEX);
continue;
}
nsAutoCString mappedName(info->mActiveInfo->mBaseMappedName);
if (isArray) {
mappedName.AppendLiteral("[");
mappedName.AppendInt(uint32_t(arrayIndex));
mappedName.AppendLiteral("]");
}
const GLchar* mappedNameBytes = mappedName.BeginReading();
GLuint index = 0;
gl->fGetUniformIndices(mGLName, 1, &mappedNameBytes, &index);
arr.AppendElement(index);
}
}
void
WebGLProgram::GetActiveUniformBlockName(GLuint uniformBlockIndex, nsAString& retval) const
{
if (!IsLinked()) {
mContext->ErrorInvalidOperation("getActiveUniformBlockName: `program` must be linked.");
return;
}
const webgl::LinkedProgramInfo* linkInfo = LinkInfo();
GLuint uniformBlockCount = (GLuint) linkInfo->uniformBlocks.size();
if (uniformBlockIndex >= uniformBlockCount) {
mContext->ErrorInvalidValue("getActiveUniformBlockName: index %u invalid.", uniformBlockIndex);
return;
}
const webgl::UniformBlockInfo* blockInfo = linkInfo->uniformBlocks[uniformBlockIndex];
retval.Assign(NS_ConvertASCIItoUTF16(blockInfo->mBaseUserName));
}
GLint
WebGLProgram::GetAttribLocation(const nsAString& userName_wide) const
{
if (!ValidateGLSLVariableName(userName_wide, mContext, "getAttribLocation"))
return -1;
if (!IsLinked()) {
mContext->ErrorInvalidOperation("getAttribLocation: `program` must be linked.");
return -1;
}
const NS_LossyConvertUTF16toASCII userName(userName_wide);
const webgl::AttribInfo* info;
if (!LinkInfo()->FindAttrib(userName, &info))
return -1;
return GLint(info->mLoc);
}
void
WebGLProgram::GetActiveUniformBlockActiveUniforms(JSContext* cx, GLuint uniformBlockIndex,
dom::Nullable<dom::OwningUnsignedLongOrUint32ArrayOrBoolean>& retval,
ErrorResult& rv) const
{
if (!IsLinked()) {
mContext->ErrorInvalidOperation("getActiveUniformBlockParameter: `program` must be linked.");
return;
}
const webgl::LinkedProgramInfo* linkInfo = LinkInfo();
GLuint uniformBlockCount = (GLuint)linkInfo->uniformBlocks.size();
if (uniformBlockIndex >= uniformBlockCount) {
mContext->ErrorInvalidValue("getActiveUniformBlockParameter: index %u invalid.", uniformBlockIndex);
return;
}
gl::GLContext* gl = mContext->GL();
GLint activeUniformCount = 0;
gl->fGetActiveUniformBlockiv(mGLName, uniformBlockIndex,
LOCAL_GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS,
&activeUniformCount);
JS::RootedObject obj(cx, dom::Uint32Array::Create(cx, mContext, activeUniformCount,
nullptr));
if (!obj) {
rv = NS_ERROR_OUT_OF_MEMORY;
return;
}
dom::Uint32Array result;
DebugOnly<bool> inited = result.Init(obj);
MOZ_ASSERT(inited);
result.ComputeLengthAndData();
gl->fGetActiveUniformBlockiv(mGLName, uniformBlockIndex,
LOCAL_GL_UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES,
(GLint*)result.Data());
inited = retval.SetValue().SetAsUint32Array().Init(obj);
MOZ_ASSERT(inited);
}
GLint
WebGLProgram::GetFragDataLocation(const nsAString& userName_wide) const
{
if (!ValidateGLSLVariableName(userName_wide, mContext, "getFragDataLocation"))
return -1;
if (!IsLinked()) {
mContext->ErrorInvalidOperation("getFragDataLocation: `program` must be linked.");
return -1;
}
const NS_LossyConvertUTF16toASCII userName(userName_wide);
nsCString mappedName;
if (!LinkInfo()->FindFragData(userName, &mappedName))
return -1;
gl::GLContext* gl = mContext->GL();
gl->MakeCurrent();
return gl->fGetFragDataLocation(mGLName, mappedName.BeginReading());
}
JS::Value
WebGLProgram::GetActiveUniformBlockActiveUniforms(JSContext* cx, GLuint uniformBlockIndex,
ErrorResult* const out_error) const
{
const char funcName[] = "getActiveUniformBlockParameter";
if (!IsLinked()) {
mContext->ErrorInvalidOperation("%s: `program` must be linked.", funcName);
return JS::NullValue();
}
const webgl::LinkedProgramInfo* linkInfo = LinkInfo();
GLuint uniformBlockCount = (GLuint)linkInfo->uniformBlocks.size();
if (uniformBlockIndex >= uniformBlockCount) {
mContext->ErrorInvalidValue("%s: Index %u invalid.", funcName, uniformBlockIndex);
return JS::NullValue();
}
gl::GLContext* gl = mContext->GL();
GLint activeUniformCount = 0;
gl->fGetActiveUniformBlockiv(mGLName, uniformBlockIndex,
LOCAL_GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS,
&activeUniformCount);
JS::RootedObject obj(cx, dom::Uint32Array::Create(cx, mContext, activeUniformCount,
nullptr));
if (!obj) {
*out_error = NS_ERROR_OUT_OF_MEMORY;
return JS::NullValue();
}
dom::Uint32Array result;
DebugOnly<bool> inited = result.Init(obj);
MOZ_ASSERT(inited);
result.ComputeLengthAndData();
gl->fGetActiveUniformBlockiv(mGLName, uniformBlockIndex,
LOCAL_GL_UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES,
(GLint*)result.Data());
return JS::ObjectValue(*obj);
}
void
WebGLProgram::UniformBlockBinding(GLuint uniformBlockIndex, GLuint uniformBlockBinding) const
{
if (!IsLinked()) {
mContext->ErrorInvalidOperation("getActiveUniformBlockName: `program` must be linked.");
return;
}
const webgl::LinkedProgramInfo* linkInfo = LinkInfo();
if (uniformBlockIndex >= linkInfo->uniformBlocks.size()) {
mContext->ErrorInvalidValue("getActiveUniformBlockName: index %u invalid.", uniformBlockIndex);
return;
}
if (uniformBlockBinding > mContext->mGLMaxUniformBufferBindings) {
mContext->ErrorInvalidEnum("getActiveUniformBlockName: binding %u invalid.", uniformBlockBinding);
return;
}
gl::GLContext* gl = mContext->GL();
gl->MakeCurrent();
gl->fUniformBlockBinding(mGLName, uniformBlockIndex, uniformBlockBinding);
}
GLuint
WebGLProgram::GetUniformBlockIndex(const nsAString& userName_wide) const
{
if (!ValidateGLSLVariableName(userName_wide, mContext, "getUniformBlockIndex"))
return LOCAL_GL_INVALID_INDEX;
if (!IsLinked()) {
mContext->ErrorInvalidOperation("getUniformBlockIndex: `program` must be linked.");
return LOCAL_GL_INVALID_INDEX;
}
const NS_LossyConvertUTF16toASCII userName(userName_wide);
nsDependentCString baseUserName;
bool isArray;
size_t arrayIndex;
if (!ParseName(userName, &baseUserName, &isArray, &arrayIndex))
return LOCAL_GL_INVALID_INDEX;
RefPtr<const webgl::UniformBlockInfo> info;
if (!LinkInfo()->FindUniformBlock(baseUserName, &info)) {
return LOCAL_GL_INVALID_INDEX;
}
const nsCString& baseMappedName = info->mBaseMappedName;
nsAutoCString mappedName(baseMappedName);
if (isArray) {
mappedName.AppendLiteral("[");
mappedName.AppendInt(uint32_t(arrayIndex));
mappedName.AppendLiteral("]");
}
gl::GLContext* gl = mContext->GL();
gl->MakeCurrent();
return gl->fGetUniformBlockIndex(mGLName, mappedName.BeginReading());
}
