Remove invalid glGetIntegerv() enums.

GL_UNIFORM_BUFFER_SIZE and GL_UNIFORM_BUFFER_START can't be queried using glGetIntegerv(). They're only valid for glGetInteger64i_v(). This prevents a potential null dereference. Bug chromium:859775 Change-Id: Ic66f33a582805b021a2d4bd08ff627f704d42aa7 Reviewed-on: https://swiftshader-review.googlesource.com/19748Tested-by: Nicolas Capens <nicolascapens@google.com> Reviewed-by: Alexis Hétu <sugoi@google.com>

Remove invalid glGetIntegerv() enums.
b7334dae · Nicolas Capens · Nicolas Capens · 517a57f4 · b7334dae
Commit b7334dae authored Jul 04, 2018 by Nicolas Capens Committed by Nicolas Capens Jul 04, 2018
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Showing with 7 additions and 14 deletions

Context.cpp src/OpenGL/libGLESv2/Context.cpp +7 -14

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--- a/src/OpenGL/libGLESv2/Context.cpp
+++ b/src/OpenGL/libGLESv2/Context.cpp
@@ -2320,12 +2320,6 @@ template<typename T> bool Context::getIntegerv(GLenum pname, T *params) const
 	case GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT:
 		*params = UNIFORM_BUFFER_OFFSET_ALIGNMENT;
 		return true;
-	case GL_UNIFORM_BUFFER_SIZE:
-		*params = static_cast<T>(mState.genericUniformBuffer->size());
-		return true;
-	case GL_UNIFORM_BUFFER_START:
-		*params = static_cast<T>(mState.genericUniformBuffer->offset());
-		return true;
 	case GL_UNPACK_IMAGE_HEIGHT:
 		*params = mState.unpackParameters.imageHeight;
 		return true;
@@ -2413,7 +2407,7 @@ template<typename T> bool Context::getTransformFeedbackiv(GLuint index, GLenum p
 		if(transformFeedback->getBuffer(index))
 		{
 			*param = transformFeedback->getOffset(index);
-		break;
+			break;
 		}
 		else return false;
 	default:
@@ -2433,13 +2427,14 @@ template<typename T> bool Context::getUniformBufferiv(GLuint index, GLenum pname
 	case GL_UNIFORM_BUFFER_BINDING:
 	case GL_UNIFORM_BUFFER_SIZE:
 	case GL_UNIFORM_BUFFER_START:
-		if(index >= MAX_UNIFORM_BUFFER_BINDINGS)
-		{
-			return error(GL_INVALID_VALUE, true);
-		}
 		break;
 	default:
-		break;
+		return false;
+	}
+	if(index >= MAX_UNIFORM_BUFFER_BINDINGS)
+	{
+		return error(GL_INVALID_VALUE, true);
 	}
 	const BufferBinding& uniformBuffer = mState.uniformBuffers[index];
@@ -2609,8 +2604,6 @@ bool Context::getQueryParameterInfo(GLenum pname, GLenum *type, unsigned int *nu
 	case GL_TEXTURE_BINDING_2D_ARRAY:
 	case GL_UNIFORM_BUFFER_BINDING:
 	case GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT:
-	case GL_UNIFORM_BUFFER_SIZE:
-	case GL_UNIFORM_BUFFER_START:
 	case GL_UNPACK_IMAGE_HEIGHT:
 	case GL_UNPACK_ROW_LENGTH:
 	case GL_UNPACK_SKIP_IMAGES: