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// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_WEBGL_WEBGL_MULTI_DRAW_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_WEBGL_WEBGL_MULTI_DRAW_H_
#include "third_party/blink/renderer/bindings/modules/v8/int32_array_or_long_sequence.h"
#include "third_party/blink/renderer/modules/webgl/webgl_extension.h"
#include "third_party/blink/renderer/modules/webgl/webgl_multi_draw_common.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"
namespace blink {
class WebGLMultiDraw final : public WebGLExtension,
public WebGLMultiDrawCommon {
DEFINE_WRAPPERTYPEINFO();
public:
static WebGLMultiDraw* Create(WebGLRenderingContextBase*);
static bool Supported(WebGLRenderingContextBase*);
static const char* ExtensionName();
explicit WebGLMultiDraw(WebGLRenderingContextBase*);
WebGLExtensionName GetName() const override;
void multiDrawArraysWEBGL(GLenum mode,
Int32ArrayOrLongSequence firstsList,
GLuint firstsOffset,
Int32ArrayOrLongSequence countsList,
GLuint countsOffset,
GLsizei drawcount) {
multiDrawArraysImpl(mode, MakeSpan(firstsList), firstsOffset,
MakeSpan(countsList), countsOffset, drawcount);
}
void multiDrawElementsWEBGL(GLenum mode,
Int32ArrayOrLongSequence countsList,
GLuint countsOffset,
GLenum type,
Int32ArrayOrLongSequence offsetsList,
GLuint offsetsOffset,
GLsizei drawcount) {
multiDrawElementsImpl(mode, MakeSpan(countsList), countsOffset, type,
MakeSpan(offsetsList), offsetsOffset, drawcount);
}
void multiDrawArraysInstancedWEBGL(
GLenum mode,
Int32ArrayOrLongSequence firstsList,
GLuint firstsOffset,
Int32ArrayOrLongSequence countsList,
GLuint countsOffset,
Int32ArrayOrLongSequence instanceCountsList,
GLuint instanceCountsOffset,
GLsizei drawcount) {
multiDrawArraysInstancedImpl(mode, MakeSpan(firstsList), firstsOffset,
MakeSpan(countsList), countsOffset,
MakeSpan(instanceCountsList),
instanceCountsOffset, drawcount);
}
void multiDrawElementsInstancedWEBGL(
GLenum mode,
Int32ArrayOrLongSequence countsList,
GLuint countsOffset,
GLenum type,
Int32ArrayOrLongSequence offsetsList,
GLuint offsetsOffset,
Int32ArrayOrLongSequence instanceCountsList,
GLuint instanceCountsOffset,
GLsizei drawcount) {
multiDrawElementsInstancedImpl(mode, MakeSpan(countsList), countsOffset,
type, MakeSpan(offsetsList), offsetsOffset,
MakeSpan(instanceCountsList),
instanceCountsOffset, drawcount);
}
private:
void multiDrawArraysImpl(GLenum mode,
const base::span<const int32_t>& firsts,
GLuint firstsOffset,
const base::span<const int32_t>& counts,
GLuint countsOffset,
GLsizei drawcount);
void multiDrawElementsImpl(GLenum mode,
const base::span<const int32_t>& counts,
GLuint countsOffset,
GLenum type,
const base::span<const int32_t>& offsets,
GLuint offsetsOffset,
GLsizei drawcount);
void multiDrawArraysInstancedImpl(
GLenum mode,
const base::span<const int32_t>& firsts,
GLuint firstsOffset,
const base::span<const int32_t>& counts,
GLuint countsOffset,
const base::span<const int32_t>& instanceCounts,
GLuint instanceCountsOffset,
GLsizei drawcount);
void multiDrawElementsInstancedImpl(
GLenum mode,
const base::span<const int32_t>& counts,
GLuint countsOffset,
GLenum type,
const base::span<const int32_t>& offsets,
GLuint offsetsOffset,
const base::span<const int32_t>& instanceCounts,
GLuint instanceCountsOffset,
GLsizei drawcount);
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_WEBGL_WEBGL_MULTI_DRAW_H_
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