Adding upstream version 110.0.1.upstream/110.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 187 insertions, 0 deletions

diff --git a/gfx/angle/checkout/src/libANGLE/validationES2.h b/gfx/angle/checkout/src/libANGLE/validationES2.h
new file mode 100644
index 0000000000..000a6ae7ad
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/validationES2.h
@@ -0,0 +1,187 @@
+//
+// Copyright 2018 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// validationES2.h:
+//  Inlined validation functions for OpenGL ES 2.0 entry points.
+
+#ifndef LIBANGLE_VALIDATION_ES2_H_
+#define LIBANGLE_VALIDATION_ES2_H_
+
+#include "libANGLE/ErrorStrings.h"
+#include "libANGLE/validationES.h"
+#include "libANGLE/validationES2_autogen.h"
+
+namespace gl
+{
+ANGLE_INLINE bool ValidateDrawArrays(const Context *context,
+                                     PrimitiveMode mode,
+                                     GLint first,
+                                     GLsizei count)
+{
+    return ValidateDrawArraysCommon(context, mode, first, count, 1);
+}
+
+ANGLE_INLINE bool ValidateUniform2f(const Context *context,
+                                    UniformLocation location,
+                                    GLfloat x,
+                                    GLfloat y)
+{
+    return ValidateUniform(context, GL_FLOAT_VEC2, location, 1);
+}
+
+ANGLE_INLINE bool ValidateBindBuffer(const Context *context, BufferBinding target, BufferID buffer)
+{
+    if (!context->isValidBufferBinding(target))
+    {
+        context->validationError(GL_INVALID_ENUM, err::kInvalidBufferTypes);
+        return false;
+    }
+
+    if (!context->getState().isBindGeneratesResourceEnabled() &&
+        !context->isBufferGenerated(buffer))
+    {
+        context->validationError(GL_INVALID_OPERATION, err::kObjectNotGenerated);
+        return false;
+    }
+
+    return true;
+}
+
+ANGLE_INLINE bool ValidateDrawElements(const Context *context,
+                                       PrimitiveMode mode,
+                                       GLsizei count,
+                                       DrawElementsType type,
+                                       const void *indices)
+{
+    return ValidateDrawElementsCommon(context, mode, count, type, indices, 1);
+}
+
+ANGLE_INLINE bool ValidateVertexAttribPointer(const Context *context,
+                                              GLuint index,
+                                              GLint size,
+                                              VertexAttribType type,
+                                              GLboolean normalized,
+                                              GLsizei stride,
+                                              const void *ptr)
+{
+    if (!ValidateFloatVertexFormat(context, index, size, type))
+    {
+        return false;
+    }
+
+    if (stride < 0)
+    {
+        context->validationError(GL_INVALID_VALUE, err::kNegativeStride);
+        return false;
+    }
+
+    if (context->getClientVersion() >= ES_3_1)
+    {
+        const Caps &caps = context->getCaps();
+        if (stride > caps.maxVertexAttribStride)
+        {
+            context->validationError(GL_INVALID_VALUE, err::kExceedsMaxVertexAttribStride);
+            return false;
+        }
+
+        if (index >= static_cast<GLuint>(caps.maxVertexAttribBindings))
+        {
+            context->validationError(GL_INVALID_VALUE, err::kExceedsMaxVertexAttribBindings);
+            return false;
+        }
+    }
+
+    // [OpenGL ES 3.0.2] Section 2.8 page 24:
+    // An INVALID_OPERATION error is generated when a non-zero vertex array object
+    // is bound, zero is bound to the ARRAY_BUFFER buffer object binding point,
+    // and the pointer argument is not NULL.
+    bool nullBufferAllowed = context->getState().areClientArraysEnabled() &&
+                             context->getState().getVertexArray()->id().value == 0;
+    if (!nullBufferAllowed && context->getState().getTargetBuffer(BufferBinding::Array) == 0 &&
+        ptr != nullptr)
+    {
+        context->validationError(GL_INVALID_OPERATION, err::kClientDataInVertexArray);
+        return false;
+    }
+
+    if (context->getExtensions().webglCompatibility)
+    {
+        // WebGL 1.0 [Section 6.14] Fixed point support
+        // The WebGL API does not support the GL_FIXED data type.
+        if (type == VertexAttribType::Fixed)
+        {
+            context->validationError(GL_INVALID_ENUM, err::kFixedNotInWebGL);
+            return false;
+        }
+
+        if (!ValidateWebGLVertexAttribPointer(context, type, normalized, stride, ptr, false))
+        {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+void RecordBindTextureTypeError(const Context *context, TextureType target);
+
+ANGLE_INLINE bool ValidateBindTexture(const Context *context, TextureType target, TextureID texture)
+{
+    if (!context->getStateCache().isValidBindTextureType(target))
+    {
+        RecordBindTextureTypeError(context, target);
+        return false;
+    }
+
+    if (texture.value == 0)
+    {
+        return true;
+    }
+
+    Texture *textureObject = context->getTexture(texture);
+    if (textureObject && textureObject->getType() != target)
+    {
+        context->validationError(GL_INVALID_OPERATION, err::kTextureTargetMismatch);
+        return false;
+    }
+
+    if (!context->getState().isBindGeneratesResourceEnabled() &&
+        !context->isTextureGenerated(texture))
+    {
+        context->validationError(GL_INVALID_OPERATION, err::kObjectNotGenerated);
+        return false;
+    }
+
+    return true;
+}
+
+// Validation of all Tex[Sub]Image2D parameters except TextureTarget.
+bool ValidateES2TexImageParametersBase(const Context *context,
+                                       TextureTarget target,
+                                       GLint level,
+                                       GLenum internalformat,
+                                       bool isCompressed,
+                                       bool isSubImage,
+                                       GLint xoffset,
+                                       GLint yoffset,
+                                       GLsizei width,
+                                       GLsizei height,
+                                       GLint border,
+                                       GLenum format,
+                                       GLenum type,
+                                       GLsizei imageSize,
+                                       const void *pixels);
+
+// Validation of TexStorage*2DEXT
+bool ValidateES2TexStorageParametersBase(const Context *context,
+                                         TextureType target,
+                                         GLsizei levels,
+                                         GLenum internalformat,
+                                         GLsizei width,
+                                         GLsizei height);
+
+}  // namespace gl
+
+#endif  // LIBANGLE_VALIDATION_ES2_H_