// Here we have to support all pnames with both int and float params.
// See this discussion:
// https://www.khronos.org/webgl/public-mailing-list/archives/1008/msg00014.html
void
WebGLTexture::TexParameter(TexTarget texTarget, GLenum pname, GLint* maybeIntParam,
GLfloat* maybeFloatParam)
{
MOZ_ASSERT(maybeIntParam || maybeFloatParam);
GLint intParam = maybeIntParam ? *maybeIntParam : GLint(*maybeFloatParam);
GLfloat floatParam = maybeFloatParam ? *maybeFloatParam : GLfloat(*maybeIntParam);
bool isPNameValid = false;
switch (pname) {
// GLES 2.0.25 p76:
case LOCAL_GL_TEXTURE_WRAP_S:
case LOCAL_GL_TEXTURE_WRAP_T:
case LOCAL_GL_TEXTURE_MIN_FILTER:
case LOCAL_GL_TEXTURE_MAG_FILTER:
isPNameValid = true;
break;
// GLES 3.0.4 p149-150:
case LOCAL_GL_TEXTURE_BASE_LEVEL:
case LOCAL_GL_TEXTURE_COMPARE_MODE:
case LOCAL_GL_TEXTURE_COMPARE_FUNC:
case LOCAL_GL_TEXTURE_MAX_LEVEL:
case LOCAL_GL_TEXTURE_MAX_LOD:
case LOCAL_GL_TEXTURE_MIN_LOD:
case LOCAL_GL_TEXTURE_WRAP_R:
if (mContext->IsWebGL2())
isPNameValid = true;
break;
case LOCAL_GL_TEXTURE_MAX_ANISOTROPY_EXT:
if (mContext->IsExtensionEnabled(WebGLExtensionID::EXT_texture_filter_anisotropic))
isPNameValid = true;
break;
}
if (!isPNameValid) {
mContext->ErrorInvalidEnumInfo("texParameter: pname", pname);
return;
}
////////////////
// Validate params and invalidate if needed.
bool paramBadEnum = false;
bool paramBadValue = false;
switch (pname) {
case LOCAL_GL_TEXTURE_BASE_LEVEL:
case LOCAL_GL_TEXTURE_MAX_LEVEL:
paramBadValue = (intParam < 0);
break;
case LOCAL_GL_TEXTURE_COMPARE_MODE:
paramBadValue = (intParam != LOCAL_GL_NONE &&
intParam != LOCAL_GL_COMPARE_REF_TO_TEXTURE);
break;
case LOCAL_GL_TEXTURE_COMPARE_FUNC:
switch (intParam) {
case LOCAL_GL_LEQUAL:
case LOCAL_GL_GEQUAL:
case LOCAL_GL_LESS:
case LOCAL_GL_GREATER:
case LOCAL_GL_EQUAL:
case LOCAL_GL_NOTEQUAL:
case LOCAL_GL_ALWAYS:
case LOCAL_GL_NEVER:
break;
default:
paramBadValue = true;
break;
}
break;
case LOCAL_GL_TEXTURE_MIN_FILTER:
switch (intParam) {
case LOCAL_GL_NEAREST:
case LOCAL_GL_LINEAR:
case LOCAL_GL_NEAREST_MIPMAP_NEAREST:
case LOCAL_GL_LINEAR_MIPMAP_NEAREST:
case LOCAL_GL_NEAREST_MIPMAP_LINEAR:
case LOCAL_GL_LINEAR_MIPMAP_LINEAR:
break;
default:
paramBadEnum = true;
break;
}
break;
case LOCAL_GL_TEXTURE_MAG_FILTER:
switch (intParam) {
case LOCAL_GL_NEAREST:
case LOCAL_GL_LINEAR:
break;
default:
paramBadEnum = true;
break;
}
break;
case LOCAL_GL_TEXTURE_WRAP_S:
case LOCAL_GL_TEXTURE_WRAP_T:
case LOCAL_GL_TEXTURE_WRAP_R:
switch (intParam) {
case LOCAL_GL_CLAMP_TO_EDGE:
case LOCAL_GL_MIRRORED_REPEAT:
case LOCAL_GL_REPEAT:
break;
default:
paramBadEnum = true;
break;
}
break;
case LOCAL_GL_TEXTURE_MAX_ANISOTROPY_EXT:
if (maybeFloatParam && floatParam < 1.0f)
paramBadValue = true;
else if (maybeIntParam && intParam < 1)
paramBadValue = true;
break;
}
if (paramBadEnum) {
if (maybeIntParam) {
mContext->ErrorInvalidEnum("texParameteri: pname 0x%04x: Invalid param"
" 0x%04x.",
pname, intParam);
} else {
mContext->ErrorInvalidEnum("texParameterf: pname 0x%04x: Invalid param %g.",
pname, floatParam);
}
return;
}
if (paramBadValue) {
if (maybeIntParam) {
mContext->ErrorInvalidValue("texParameteri: pname 0x%04x: Invalid param %i"
" (0x%x).",
pname, intParam, intParam);
} else {
mContext->ErrorInvalidValue("texParameterf: pname 0x%04x: Invalid param %g.",
pname, floatParam);
}
return;
}
////////////////
// Store any needed values
switch (pname) {
case LOCAL_GL_TEXTURE_BASE_LEVEL:
mBaseMipmapLevel = intParam;
ClampLevelBaseAndMax();
break;
case LOCAL_GL_TEXTURE_MAX_LEVEL:
mMaxMipmapLevel = intParam;
ClampLevelBaseAndMax();
break;
case LOCAL_GL_TEXTURE_MIN_FILTER:
mMinFilter = intParam;
break;
case LOCAL_GL_TEXTURE_MAG_FILTER:
mMagFilter = intParam;
break;
case LOCAL_GL_TEXTURE_WRAP_S:
mWrapS = intParam;
break;
case LOCAL_GL_TEXTURE_WRAP_T:
mWrapT = intParam;
break;
// We don't actually need to store the WRAP_R, since it doesn't change texture
// completeness rules.
}
// Only a couple of pnames don't need to invalidate our resolve status cache.
switch (pname) {
case LOCAL_GL_TEXTURE_MAX_ANISOTROPY_EXT:
case LOCAL_GL_TEXTURE_WRAP_R:
break;
default:
InvalidateResolveCache();
break;
}
////////////////
mContext->MakeContextCurrent();
if (maybeIntParam)
mContext->gl->fTexParameteri(texTarget.get(), pname, intParam);
else
mContext->gl->fTexParameterf(texTarget.get(), pname, floatParam);
}
// Here we have to support all pnames with both int and float params.
// See this discussion:
// https://www.khronos.org/webgl/public-mailing-list/archives/1008/msg00014.html
void WebGLTexture::TexParameter(TexTarget texTarget, GLenum pname,
const FloatOrInt& param) {
bool isPNameValid = false;
switch (pname) {
// GLES 2.0.25 p76:
case LOCAL_GL_TEXTURE_WRAP_S:
case LOCAL_GL_TEXTURE_WRAP_T:
case LOCAL_GL_TEXTURE_MIN_FILTER:
case LOCAL_GL_TEXTURE_MAG_FILTER:
isPNameValid = true;
break;
// GLES 3.0.4 p149-150:
case LOCAL_GL_TEXTURE_BASE_LEVEL:
case LOCAL_GL_TEXTURE_COMPARE_MODE:
case LOCAL_GL_TEXTURE_COMPARE_FUNC:
case LOCAL_GL_TEXTURE_MAX_LEVEL:
case LOCAL_GL_TEXTURE_MAX_LOD:
case LOCAL_GL_TEXTURE_MIN_LOD:
case LOCAL_GL_TEXTURE_WRAP_R:
if (mContext->IsWebGL2()) isPNameValid = true;
break;
case LOCAL_GL_TEXTURE_MAX_ANISOTROPY_EXT:
if (mContext->IsExtensionEnabled(
WebGLExtensionID::EXT_texture_filter_anisotropic))
isPNameValid = true;
break;
}
if (!isPNameValid) {
mContext->ErrorInvalidEnumInfo("texParameter: pname", pname);
return;
}
////////////////
// Validate params and invalidate if needed.
bool paramBadEnum = false;
bool paramBadValue = false;
switch (pname) {
case LOCAL_GL_TEXTURE_BASE_LEVEL:
case LOCAL_GL_TEXTURE_MAX_LEVEL:
paramBadValue = (param.i < 0);
break;
case LOCAL_GL_TEXTURE_COMPARE_MODE:
paramBadValue = (param.i != LOCAL_GL_NONE &&
param.i != LOCAL_GL_COMPARE_REF_TO_TEXTURE);
break;
case LOCAL_GL_TEXTURE_COMPARE_FUNC:
switch (param.i) {
case LOCAL_GL_LEQUAL:
case LOCAL_GL_GEQUAL:
case LOCAL_GL_LESS:
case LOCAL_GL_GREATER:
case LOCAL_GL_EQUAL:
case LOCAL_GL_NOTEQUAL:
case LOCAL_GL_ALWAYS:
case LOCAL_GL_NEVER:
break;
default:
paramBadValue = true;
break;
}
break;
case LOCAL_GL_TEXTURE_MIN_FILTER:
switch (param.i) {
case LOCAL_GL_NEAREST:
case LOCAL_GL_LINEAR:
case LOCAL_GL_NEAREST_MIPMAP_NEAREST:
case LOCAL_GL_LINEAR_MIPMAP_NEAREST:
case LOCAL_GL_NEAREST_MIPMAP_LINEAR:
case LOCAL_GL_LINEAR_MIPMAP_LINEAR:
break;
default:
paramBadEnum = true;
break;
}
break;
case LOCAL_GL_TEXTURE_MAG_FILTER:
switch (param.i) {
case LOCAL_GL_NEAREST:
case LOCAL_GL_LINEAR:
break;
default:
paramBadEnum = true;
break;
}
break;
case LOCAL_GL_TEXTURE_WRAP_S:
case LOCAL_GL_TEXTURE_WRAP_T:
case LOCAL_GL_TEXTURE_WRAP_R:
switch (param.i) {
case LOCAL_GL_CLAMP_TO_EDGE:
case LOCAL_GL_MIRRORED_REPEAT:
case LOCAL_GL_REPEAT:
break;
default:
paramBadEnum = true;
break;
}
break;
case LOCAL_GL_TEXTURE_MAX_ANISOTROPY_EXT:
if (param.f < 1.0f) paramBadValue = true;
break;
}
if (paramBadEnum) {
if (!param.isFloat) {
mContext->ErrorInvalidEnum(
"pname 0x%04x: Invalid param"
" 0x%04x.",
pname, param.i);
} else {
mContext->ErrorInvalidEnum("pname 0x%04x: Invalid param %g.", pname,
param.f);
}
return;
}
if (paramBadValue) {
if (!param.isFloat) {
mContext->ErrorInvalidValue(
"pname 0x%04x: Invalid param %i"
" (0x%x).",
pname, param.i, param.i);
} else {
mContext->ErrorInvalidValue("pname 0x%04x: Invalid param %g.", pname,
param.f);
}
return;
}
////////////////
// Store any needed values
FloatOrInt clamped = param;
bool invalidate = true;
switch (pname) {
case LOCAL_GL_TEXTURE_BASE_LEVEL:
mBaseMipmapLevel = clamped.i;
ClampLevelBaseAndMax();
clamped = FloatOrInt(GLint(mBaseMipmapLevel));
break;
case LOCAL_GL_TEXTURE_MAX_LEVEL:
mMaxMipmapLevel = clamped.i;
ClampLevelBaseAndMax();
clamped = FloatOrInt(GLint(mMaxMipmapLevel));
break;
case LOCAL_GL_TEXTURE_MIN_FILTER:
mSamplingState.minFilter = clamped.i;
break;
case LOCAL_GL_TEXTURE_MAG_FILTER:
mSamplingState.magFilter = clamped.i;
break;
case LOCAL_GL_TEXTURE_WRAP_S:
mSamplingState.wrapS = clamped.i;
break;
case LOCAL_GL_TEXTURE_WRAP_T:
mSamplingState.wrapT = clamped.i;
break;
case LOCAL_GL_TEXTURE_COMPARE_MODE:
mSamplingState.compareMode = clamped.i;
break;
default:
invalidate = false; // Texture completeness will not change.
break;
}
if (invalidate) {
InvalidateCaches();
}
////////////////
if (!clamped.isFloat)
mContext->gl->fTexParameteri(texTarget.get(), pname, clamped.i);
else
mContext->gl->fTexParameterf(texTarget.get(), pname, clamped.f);
}
