blob: 1000dbd95e339814255371dc1a6a996a8263a2d4 [file] [log] [blame]
// Copyright (c) 2018 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "arraysize.h"
#include "main.h"
#include "testbase.h"
#include "utils.h"
namespace glbench {
class BufferUploadSubTest : public TestBase {
public:
BufferUploadSubTest()
: buffer_size_(1572864),
target_(GL_ARRAY_BUFFER),
size_(0)
{
memset(data_, 0, sizeof(data_));
}
virtual ~BufferUploadSubTest() {}
virtual bool TestFunc(uint64_t iterations);
virtual bool Run();
virtual const char* Name() const { return "buffer_upload_sub"; }
virtual bool IsDrawTest() const { return false; }
virtual const char* Unit() const { return "mbytes_sec"; }
private:
GLsizeiptr buffer_size_;
GLenum target_;
GLsizeiptr size_;
GLbyte data_[256 * 1024];
DISALLOW_COPY_AND_ASSIGN(BufferUploadSubTest);
};
bool BufferUploadSubTest::TestFunc(uint64_t iterations) {
GLintptr offset = 0;
for (uint64_t i = 0; i < iterations; ++i) {
if (offset + size_ > buffer_size_) {
offset = 0;
}
glBufferSubData(target_, offset, size_, data_);
offset += size_;
}
return true;
}
bool BufferUploadSubTest::Run() {
const GLenum usages[] = {GL_DYNAMIC_DRAW, GL_STATIC_DRAW};
const char * usage_names[] = {"dynamic", "static"};
const GLenum targets[] = {GL_ARRAY_BUFFER, GL_ELEMENT_ARRAY_BUFFER};
const char * target_names[] = {"array", "element_array"};
const int sizes[] = {8, 12, 16, 32, 64, 128, 192, 256, 512, 1024, 2048,
4096, 8192, 16384, 32768, 65536, 131072};
for (unsigned int uidx = 0; uidx < arraysize(usages); uidx++) {
GLenum usage = usages[uidx];
for (unsigned int tidx = 0; tidx < arraysize(targets); tidx++) {
target_ = targets[tidx];
GLuint buf = ~0;
glGenBuffers(1, &buf);
glBindBuffer(target_, buf);
for (unsigned int sidx = 0; sidx < arraysize(sizes); sidx++) {
size_ = sizes[sidx];
glBufferData(target_, buffer_size_, NULL, usage);
std::string name = std::string(Name()) + "_" + usage_names[uidx] + "_" +
target_names[tidx] + "_" + IntToString(size_);
RunTest(this, name.c_str(), sizes[sidx], g_width, g_height, true);
CHECK(!glGetError());
}
glDeleteBuffers(1, &buf);
}
}
return true;
}
TestBase* GetBufferUploadSubTest() {
return new BufferUploadSubTest;
}
} // namespace glbench