void WebGLContext::GetQuery(JSContext* cx, GLenum target, GLenum pname,
JS::MutableHandleValue retval) {
const FuncScope funcScope(*this, "getQuery");
retval.setNull();
if (IsContextLost()) return;
switch (pname) {
case LOCAL_GL_CURRENT_QUERY_EXT: {
if (IsExtensionEnabled(WebGLExtensionID::EXT_disjoint_timer_query) &&
target == LOCAL_GL_TIMESTAMP) {
// Doesn't seem illegal to ask about, but is always null.
// TIMESTAMP has no slot, so ValidateQuerySlotByTarget would generate
// INVALID_ENUM.
return;
}
const auto& slot = ValidateQuerySlotByTarget(target);
if (!slot || !*slot) return;
const auto& query = *slot;
if (target != query->Target()) return;
JS::Rooted<JS::Value> v(cx);
dom::GetOrCreateDOMReflector(cx, slot->get(), &v);
retval.set(v);
}
return;
case LOCAL_GL_QUERY_COUNTER_BITS_EXT:
if (!IsExtensionEnabled(WebGLExtensionID::EXT_disjoint_timer_query))
break;
if (target != LOCAL_GL_TIME_ELAPSED_EXT &&
target != LOCAL_GL_TIMESTAMP_EXT) {
ErrorInvalidEnumInfo("target", target);
return;
}
{
GLint bits = 0;
gl->fGetQueryiv(target, pname, &bits);
if (!Has64BitTimestamps() && bits > 32) {
bits = 32;
}
retval.set(JS::Int32Value(bits));
}
return;
default:
break;
}
ErrorInvalidEnumInfo("pname", pname);
}
WebGLRefPtr<WebGLQuery>* WebGLContext::ValidateQuerySlotByTarget(
GLenum target) {
if (IsWebGL2()) {
switch (target) {
case LOCAL_GL_ANY_SAMPLES_PASSED:
case LOCAL_GL_ANY_SAMPLES_PASSED_CONSERVATIVE:
return &mQuerySlot_SamplesPassed;
case LOCAL_GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN:
return &mQuerySlot_TFPrimsWritten;
default:
break;
}
}
if (IsExtensionEnabled(WebGLExtensionID::EXT_disjoint_timer_query)) {
switch (target) {
case LOCAL_GL_TIME_ELAPSED_EXT:
return &mQuerySlot_TimeElapsed;
default:
break;
}
}
ErrorInvalidEnumInfo("target", target);
return nullptr;
}
bool
WebGL1Context::ValidateAttribPointerType(bool /*integerMode*/, GLenum type, GLsizei* out_alignment, const char* info)
{
MOZ_ASSERT(out_alignment);
if (!out_alignment)
return false;
switch (type) {
case LOCAL_GL_BYTE:
case LOCAL_GL_UNSIGNED_BYTE:
*out_alignment = 1;
return true;
case LOCAL_GL_SHORT:
case LOCAL_GL_UNSIGNED_SHORT:
*out_alignment = 2;
return true;
// XXX case LOCAL_GL_FIXED:
case LOCAL_GL_FLOAT:
*out_alignment = 4;
return true;
}
ErrorInvalidEnumInfo(info, type);
return false;
}
bool
WebGLContext::ValidateBlendEquationEnum(GLenum mode, const char* info)
{
switch (mode) {
case LOCAL_GL_FUNC_ADD:
case LOCAL_GL_FUNC_SUBTRACT:
case LOCAL_GL_FUNC_REVERSE_SUBTRACT:
return true;
case LOCAL_GL_MIN:
case LOCAL_GL_MAX:
if (IsWebGL2() ||
IsExtensionEnabled(WebGLExtensionID::EXT_blend_minmax))
{
return true;
}
break;
default:
break;
}
ErrorInvalidEnumInfo(info, mode);
return false;
}
bool
WebGLContext::ValidateBlendFuncDstEnum(GLenum factor, const char* info)
{
switch (factor) {
case LOCAL_GL_ZERO:
case LOCAL_GL_ONE:
case LOCAL_GL_SRC_COLOR:
case LOCAL_GL_ONE_MINUS_SRC_COLOR:
case LOCAL_GL_DST_COLOR:
case LOCAL_GL_ONE_MINUS_DST_COLOR:
case LOCAL_GL_SRC_ALPHA:
case LOCAL_GL_ONE_MINUS_SRC_ALPHA:
case LOCAL_GL_DST_ALPHA:
case LOCAL_GL_ONE_MINUS_DST_ALPHA:
case LOCAL_GL_CONSTANT_COLOR:
case LOCAL_GL_ONE_MINUS_CONSTANT_COLOR:
case LOCAL_GL_CONSTANT_ALPHA:
case LOCAL_GL_ONE_MINUS_CONSTANT_ALPHA:
return true;
default:
ErrorInvalidEnumInfo(info, factor);
return false;
}
}
IndexedBufferBinding* WebGLContext::ValidateIndexedBufferSlot(GLenum target,
GLuint index) {
decltype(mIndexedUniformBufferBindings)* bindings;
const char* maxIndexEnum;
switch (target) {
case LOCAL_GL_TRANSFORM_FEEDBACK_BUFFER:
bindings = &(mBoundTransformFeedback->mIndexedBindings);
maxIndexEnum = "MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS";
break;
case LOCAL_GL_UNIFORM_BUFFER:
bindings = &mIndexedUniformBufferBindings;
maxIndexEnum = "MAX_UNIFORM_BUFFER_BINDINGS";
break;
default:
ErrorInvalidEnumInfo("target", target);
return nullptr;
}
if (index >= bindings->size()) {
ErrorInvalidValue("`index` >= %s.", maxIndexEnum);
return nullptr;
}
return &(*bindings)[index];
}
void
WebGLContext::GetParameterIndexed(JSContext* cx, GLenum pname, GLuint index,
JS::MutableHandle<JS::Value> retval)
{
if (IsContextLost()) {
retval.setNull();
return;
}
MakeContextCurrent();
switch (pname) {
case LOCAL_GL_TRANSFORM_FEEDBACK_BUFFER_BINDING:
{
if (index >= mGLMaxTransformFeedbackSeparateAttribs) {
ErrorInvalidValue("getParameterIndexed: index should be less than MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS", index);
retval.setNull();
return;
}
retval.setNull(); // See bug 903594
return;
}
default:
break;
}
ErrorInvalidEnumInfo("getParameterIndexed: parameter", pname);
retval.setNull();
}
void
WebGL2Context::GetActiveUniformBlockParameter(JSContext* cx, WebGLProgram* program,
GLuint uniformBlockIndex, GLenum pname,
dom::Nullable<dom::OwningUnsignedLongOrUint32ArrayOrBoolean>& retval,
ErrorResult& rv)
{
retval.SetNull();
if (IsContextLost())
return;
if (!ValidateObject("getActiveUniformBlockParameter: program", program))
return;
MakeContextCurrent();
switch(pname) {
case LOCAL_GL_UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER:
case LOCAL_GL_UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER:
case LOCAL_GL_UNIFORM_BLOCK_BINDING:
case LOCAL_GL_UNIFORM_BLOCK_DATA_SIZE:
case LOCAL_GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS:
program->GetActiveUniformBlockParam(uniformBlockIndex, pname, retval);
return;
case LOCAL_GL_UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES:
program->GetActiveUniformBlockActiveUniforms(cx, uniformBlockIndex, retval, rv);
return;
}
ErrorInvalidEnumInfo("getActiveUniformBlockParameter: parameter", pname);
}
void
WebGL2Context::GetActiveUniforms(WebGLProgram* program,
const dom::Sequence<GLuint>& uniformIndices,
GLenum pname,
dom::Nullable< nsTArray<GLint> >& retval)
{
retval.SetNull();
if (IsContextLost())
return;
if (pname == LOCAL_GL_UNIFORM_NAME_LENGTH) {
ErrorInvalidEnumInfo("getActiveUniforms: pname", pname);
return;
}
if (!ValidateObject("getActiveUniforms: program", program))
return;
size_t count = uniformIndices.Length();
if (!count)
return;
GLuint progname = program->mGLName;
nsTArray<GLint>& arr = retval.SetValue();
arr.SetLength(count);
MakeContextCurrent();
gl->fGetActiveUniformsiv(progname, count, uniformIndices.Elements(), pname,
arr.Elements());
}
void
WebGL2Context::GetActiveUniformBlockParameter(JSContext* cx, const WebGLProgram& program,
GLuint uniformBlockIndex, GLenum pname,
JS::MutableHandleValue out_retval,
ErrorResult& out_error)
{
out_retval.setNull();
if (IsContextLost())
return;
if (!ValidateObject("getActiveUniformBlockParameter: program", program))
return;
MakeContextCurrent();
switch(pname) {
case LOCAL_GL_UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER:
case LOCAL_GL_UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER:
case LOCAL_GL_UNIFORM_BLOCK_BINDING:
case LOCAL_GL_UNIFORM_BLOCK_DATA_SIZE:
case LOCAL_GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS:
out_retval.set(program.GetActiveUniformBlockParam(uniformBlockIndex, pname));
return;
case LOCAL_GL_UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES:
out_retval.set(program.GetActiveUniformBlockActiveUniforms(cx, uniformBlockIndex,
&out_error));
return;
}
ErrorInvalidEnumInfo("getActiveUniformBlockParameter: parameter", pname);
}
void
WebGL2Context::GetIndexedParameter(JSContext* cx, GLenum target, GLuint index,
JS::MutableHandleValue retval, ErrorResult& out_error)
{
const char funcName[] = "getIndexedParameter";
retval.set(JS::NullValue());
if (IsContextLost())
return;
const std::vector<IndexedBufferBinding>* bindings;
switch (target) {
case LOCAL_GL_TRANSFORM_FEEDBACK_BUFFER_BINDING:
case LOCAL_GL_TRANSFORM_FEEDBACK_BUFFER_START:
case LOCAL_GL_TRANSFORM_FEEDBACK_BUFFER_SIZE:
bindings = &(mBoundTransformFeedback->mIndexedBindings);
break;
case LOCAL_GL_UNIFORM_BUFFER_BINDING:
case LOCAL_GL_UNIFORM_BUFFER_START:
case LOCAL_GL_UNIFORM_BUFFER_SIZE:
bindings = &mIndexedUniformBufferBindings;
break;
default:
ErrorInvalidEnumInfo("getIndexedParameter: target", target);
return;
}
if (index >= bindings->size()) {
ErrorInvalidValue("%s: `index` must be < %s.", funcName,
"MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS");
return;
}
const auto& binding = (*bindings)[index];
JS::Value ret = JS::NullValue();
switch (target) {
case LOCAL_GL_TRANSFORM_FEEDBACK_BUFFER_BINDING:
case LOCAL_GL_UNIFORM_BUFFER_BINDING:
if (binding.mBufferBinding) {
ret = WebGLObjectAsJSValue(cx, binding.mBufferBinding.get(), out_error);
}
break;
case LOCAL_GL_TRANSFORM_FEEDBACK_BUFFER_START:
case LOCAL_GL_UNIFORM_BUFFER_START:
ret = JS::NumberValue(binding.mRangeStart);
break;
case LOCAL_GL_TRANSFORM_FEEDBACK_BUFFER_SIZE:
case LOCAL_GL_UNIFORM_BUFFER_SIZE:
ret = JS::NumberValue(binding.mRangeSize);
break;
}
retval.set(ret);
}
void
WebGL2Context::GetInternalformatParameter(JSContext* cx, GLenum target,
GLenum internalformat, GLenum pname,
JS::MutableHandleValue retval,
ErrorResult& rv)
{
if (IsContextLost())
return;
if (target != LOCAL_GL_RENDERBUFFER) {
return ErrorInvalidEnumInfo("getInternalfomratParameter: target must be "
"RENDERBUFFER. Was:", target);
}
// GL_INVALID_ENUM is generated if internalformat is not color-,
// depth-, or stencil-renderable.
// TODO: When format table queries lands.
if (pname != LOCAL_GL_SAMPLES) {
return ErrorInvalidEnumInfo("getInternalformatParameter: pname must be SAMPLES. "
"Was:", pname);
}
GLint* samples = nullptr;
GLint sampleCount = 0;
gl->fGetInternalformativ(LOCAL_GL_RENDERBUFFER, internalformat,
LOCAL_GL_NUM_SAMPLE_COUNTS, 1, &sampleCount);
if (sampleCount > 0) {
samples = new GLint[sampleCount];
gl->fGetInternalformativ(LOCAL_GL_RENDERBUFFER, internalformat, LOCAL_GL_SAMPLES,
sampleCount, samples);
}
JSObject* obj = dom::Int32Array::Create(cx, this, sampleCount, samples);
if (!obj) {
rv = NS_ERROR_OUT_OF_MEMORY;
}
delete[] samples;
retval.setObjectOrNull(obj);
}
void
WebGL2Context::ClearBufferfi(GLenum buffer, GLint drawbuffer, GLfloat depth, GLint stencil)
{
if (IsContextLost()) {
return;
}
if (buffer != LOCAL_GL_DEPTH_STENCIL) {
return ErrorInvalidEnumInfo("clearBufferfi: buffer", buffer);
}
MakeContextCurrent();
gl->fClearBufferfi(buffer, drawbuffer, depth, stencil);
}
bool
WebGL2Context::ValidateBufferIndexedTarget(GLenum target, const char* info)
{
switch (target) {
case LOCAL_GL_TRANSFORM_FEEDBACK_BUFFER:
case LOCAL_GL_UNIFORM_BUFFER:
return true;
default:
ErrorInvalidEnumInfo(info, target);
return false;
}
}
bool
WebGLContext::ValidateFaceEnum(GLenum face, const char* info)
{
switch (face) {
case LOCAL_GL_FRONT:
case LOCAL_GL_BACK:
case LOCAL_GL_FRONT_AND_BACK:
return true;
default:
ErrorInvalidEnumInfo(info, face);
return false;
}
}
bool
WebGL2Context::ValidateQueryTarget(GLenum target, const char* info)
{
switch (target) {
case LOCAL_GL_ANY_SAMPLES_PASSED:
case LOCAL_GL_ANY_SAMPLES_PASSED_CONSERVATIVE:
case LOCAL_GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN:
return true;
default:
ErrorInvalidEnumInfo(info, target);
return false;
}
}
bool
WebGLContext::ValidateBufferUsageEnum(GLenum target, const char* info)
{
switch (target) {
case LOCAL_GL_STREAM_DRAW:
case LOCAL_GL_STATIC_DRAW:
case LOCAL_GL_DYNAMIC_DRAW:
return true;
default:
break;
}
ErrorInvalidEnumInfo(info, target);
return false;
}
JS::Value
WebGLContext::GetTexParameter(GLenum rawTexTarget, GLenum pname)
{
TexTarget texTarget;
WebGLTexture* tex;
if (!ValidateTexTarget(this, rawTexTarget, "texParameter", &texTarget, &tex))
return JS::NullValue();
if (!IsTexParamValid(pname)) {
ErrorInvalidEnumInfo("getTexParameter: pname", pname);
return JS::NullValue();
}
return tex->GetTexParameter(texTarget, pname);
}
WebGLRefPtr<WebGLBuffer>* WebGLContext::ValidateBufferSlot(GLenum target) {
WebGLRefPtr<WebGLBuffer>* slot = nullptr;
switch (target) {
case LOCAL_GL_ARRAY_BUFFER:
slot = &mBoundArrayBuffer;
break;
case LOCAL_GL_ELEMENT_ARRAY_BUFFER:
slot = &(mBoundVertexArray->mElementArrayBuffer);
break;
}
if (IsWebGL2()) {
switch (target) {
case LOCAL_GL_COPY_READ_BUFFER:
slot = &mBoundCopyReadBuffer;
break;
case LOCAL_GL_COPY_WRITE_BUFFER:
slot = &mBoundCopyWriteBuffer;
break;
case LOCAL_GL_PIXEL_PACK_BUFFER:
slot = &mBoundPixelPackBuffer;
break;
case LOCAL_GL_PIXEL_UNPACK_BUFFER:
slot = &mBoundPixelUnpackBuffer;
break;
case LOCAL_GL_TRANSFORM_FEEDBACK_BUFFER:
slot = &mBoundTransformFeedbackBuffer;
break;
case LOCAL_GL_UNIFORM_BUFFER:
slot = &mBoundUniformBuffer;
break;
}
}
if (!slot) {
ErrorInvalidEnumInfo("target", target);
return nullptr;
}
return slot;
}
void
WebGLContext::BindTexture(GLenum rawTarget, WebGLTexture* newTex)
{
const FuncScope funcScope(*this, "bindTexture");
if (IsContextLost())
return;
if (newTex && !ValidateObject("tex", *newTex))
return;
// Need to check rawTarget first before comparing against newTex->Target() as
// newTex->Target() returns a TexTarget, which will assert on invalid value.
WebGLRefPtr<WebGLTexture>* currentTexPtr = nullptr;
switch (rawTarget) {
case LOCAL_GL_TEXTURE_2D:
currentTexPtr = &mBound2DTextures[mActiveTexture];
break;
case LOCAL_GL_TEXTURE_CUBE_MAP:
currentTexPtr = &mBoundCubeMapTextures[mActiveTexture];
break;
case LOCAL_GL_TEXTURE_3D:
if (IsWebGL2())
currentTexPtr = &mBound3DTextures[mActiveTexture];
break;
case LOCAL_GL_TEXTURE_2D_ARRAY:
if (IsWebGL2())
currentTexPtr = &mBound2DArrayTextures[mActiveTexture];
break;
}
if (!currentTexPtr) {
ErrorInvalidEnumInfo("target", rawTarget);
return;
}
const TexTarget texTarget(rawTarget);
if (newTex) {
if (!newTex->BindTexture(texTarget))
return;
} else {
gl->fBindTexture(texTarget.get(), 0);
}
*currentTexPtr = newTex;
}
JS::Value
WebGLContext::GetTexParameter(GLenum rawTexTarget, GLenum pname)
{
const FuncScope funcScope(*this, "getTexParameter");
const uint8_t funcDims = 0;
TexTarget texTarget;
WebGLTexture* tex;
if (!ValidateTexTarget(this, funcDims, rawTexTarget, &texTarget, &tex))
return JS::NullValue();
if (!IsTexParamValid(pname)) {
ErrorInvalidEnumInfo("pname", pname);
return JS::NullValue();
}
return tex->GetTexParameter(texTarget, pname);
}
bool
WebGLContext::ValidateDrawModeEnum(GLenum mode, const char* info)
{
switch (mode) {
case LOCAL_GL_TRIANGLES:
case LOCAL_GL_TRIANGLE_STRIP:
case LOCAL_GL_TRIANGLE_FAN:
case LOCAL_GL_POINTS:
case LOCAL_GL_LINE_STRIP:
case LOCAL_GL_LINE_LOOP:
case LOCAL_GL_LINES:
return true;
default:
ErrorInvalidEnumInfo(info, mode);
return false;
}
}
void
WebGLContext::BindTexture(GLenum rawTarget, WebGLTexture* newTex)
{
if (IsContextLost())
return;
if (!ValidateObjectAllowDeletedOrNull("bindTexture", newTex))
return;
// Need to check rawTarget first before comparing against newTex->Target() as
// newTex->Target() returns a TexTarget, which will assert on invalid value.
WebGLRefPtr<WebGLTexture>* currentTexPtr = nullptr;
switch (rawTarget) {
case LOCAL_GL_TEXTURE_2D:
currentTexPtr = &mBound2DTextures[mActiveTexture];
break;
case LOCAL_GL_TEXTURE_CUBE_MAP:
currentTexPtr = &mBoundCubeMapTextures[mActiveTexture];
break;
case LOCAL_GL_TEXTURE_3D:
if (!IsWebGL2())
return ErrorInvalidEnum("bindTexture: target TEXTURE_3D is only available in WebGL version 2.0 or newer");
currentTexPtr = &mBound3DTextures[mActiveTexture];
break;
default:
return ErrorInvalidEnumInfo("bindTexture: target", rawTarget);
}
const TexTarget texTarget(rawTarget);
MakeContextCurrent();
if (newTex && !newTex->BindTexture(texTarget))
return;
if (!newTex) {
gl->fBindTexture(texTarget.get(), 0);
}
*currentTexPtr = newTex;
}
bool
WebGL2Context::ValidateBufferTarget(GLenum target, const char* info)
{
switch (target) {
case LOCAL_GL_ARRAY_BUFFER:
case LOCAL_GL_COPY_READ_BUFFER:
case LOCAL_GL_COPY_WRITE_BUFFER:
case LOCAL_GL_ELEMENT_ARRAY_BUFFER:
case LOCAL_GL_PIXEL_PACK_BUFFER:
case LOCAL_GL_PIXEL_UNPACK_BUFFER:
case LOCAL_GL_TRANSFORM_FEEDBACK_BUFFER:
case LOCAL_GL_UNIFORM_BUFFER:
return true;
default:
ErrorInvalidEnumInfo(info, target);
return false;
}
}
bool
WebGLContext::ValidateComparisonEnum(GLenum target, const char* info)
{
switch (target) {
case LOCAL_GL_NEVER:
case LOCAL_GL_LESS:
case LOCAL_GL_LEQUAL:
case LOCAL_GL_GREATER:
case LOCAL_GL_GEQUAL:
case LOCAL_GL_EQUAL:
case LOCAL_GL_NOTEQUAL:
case LOCAL_GL_ALWAYS:
return true;
default:
ErrorInvalidEnumInfo(info, target);
return false;
}
}
bool
WebGLContext::ValidateStencilOpEnum(GLenum action, const char* info)
{
switch (action) {
case LOCAL_GL_KEEP:
case LOCAL_GL_ZERO:
case LOCAL_GL_REPLACE:
case LOCAL_GL_INCR:
case LOCAL_GL_INCR_WRAP:
case LOCAL_GL_DECR:
case LOCAL_GL_DECR_WRAP:
case LOCAL_GL_INVERT:
return true;
default:
ErrorInvalidEnumInfo(info, action);
return false;
}
}
/* This doesn't belong here. It's part of state querying */
void
WebGL2Context::GetIndexedParameter(GLenum target, GLuint index,
dom::Nullable<dom::OwningWebGLBufferOrLongLong>& retval)
{
retval.SetNull();
if (IsContextLost())
return;
GLint64 data = 0;
MakeContextCurrent();
switch (target) {
case LOCAL_GL_TRANSFORM_FEEDBACK_BUFFER_BINDING:
if (index >= mGLMaxTransformFeedbackSeparateAttribs)
return ErrorInvalidValue("getIndexedParameter: index should be less than "
"MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS");
retval.SetValue().SetAsWebGLBuffer() =
mBoundTransformFeedbackBuffers[index].get();
return;
case LOCAL_GL_UNIFORM_BUFFER_BINDING:
if (index >= mGLMaxUniformBufferBindings)
return ErrorInvalidValue("getIndexedParameter: index should be than "
"MAX_UNIFORM_BUFFER_BINDINGS");
retval.SetValue().SetAsWebGLBuffer() = mBoundUniformBuffers[index].get();
return;
case LOCAL_GL_TRANSFORM_FEEDBACK_BUFFER_START:
case LOCAL_GL_TRANSFORM_FEEDBACK_BUFFER_SIZE:
case LOCAL_GL_UNIFORM_BUFFER_START:
case LOCAL_GL_UNIFORM_BUFFER_SIZE:
gl->fGetInteger64i_v(target, index, &data);
retval.SetValue().SetAsLongLong() = data;
return;
}
ErrorInvalidEnumInfo("getIndexedParameter: target", target);
}
bool
WebGL2Context::ValidateBufferUsageEnum(GLenum usage, const char* info)
{
switch (usage) {
case LOCAL_GL_DYNAMIC_COPY:
case LOCAL_GL_DYNAMIC_DRAW:
case LOCAL_GL_DYNAMIC_READ:
case LOCAL_GL_STATIC_COPY:
case LOCAL_GL_STATIC_DRAW:
case LOCAL_GL_STATIC_READ:
case LOCAL_GL_STREAM_COPY:
case LOCAL_GL_STREAM_DRAW:
case LOCAL_GL_STREAM_READ:
return true;
default:
break;
}
ErrorInvalidEnumInfo(info, usage);
return false;
}
bool
WebGLContext::ValidateTextureTargetEnum(GLenum target, const char* info)
{
switch (target) {
case LOCAL_GL_TEXTURE_2D:
case LOCAL_GL_TEXTURE_CUBE_MAP:
return true;
case LOCAL_GL_TEXTURE_3D:
if (IsWebGL2())
return true;
break;
default:
break;
}
ErrorInvalidEnumInfo(info, target);
return false;
}
bool
WebGLContext::ValidateCapabilityEnum(GLenum cap, const char* info)
{
switch (cap) {
case LOCAL_GL_BLEND:
case LOCAL_GL_CULL_FACE:
case LOCAL_GL_DEPTH_TEST:
case LOCAL_GL_DITHER:
case LOCAL_GL_POLYGON_OFFSET_FILL:
case LOCAL_GL_SAMPLE_ALPHA_TO_COVERAGE:
case LOCAL_GL_SAMPLE_COVERAGE:
case LOCAL_GL_SCISSOR_TEST:
case LOCAL_GL_STENCIL_TEST:
return true;
case LOCAL_GL_RASTERIZER_DISCARD:
return IsWebGL2();
default:
ErrorInvalidEnumInfo(info, cap);
return false;
}
}
