blob: e46a32cbc58aaa228ca4435e8de5984d3a28a23c [file] [log] [blame]
// Copyright 2016 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.
#include "gpu/config/gpu_driver_bug_workarounds.h"
#include <algorithm>
#include "base/logging.h"
namespace {
// Construct GpuDriverBugWorkarounds from a set of enabled workaround IDs.
void IntSetToWorkarounds(const std::vector<int32_t>& enabled_workarounds,
gpu::GpuDriverBugWorkarounds* workarounds) {
DCHECK(workarounds);
for (auto ID : enabled_workarounds) {
switch (ID) {
#define GPU_OP(type, name) \
case gpu::type: \
workarounds->name = true; \
break;
GPU_DRIVER_BUG_WORKAROUNDS(GPU_OP)
#undef GPU_OP
default:
NOTIMPLEMENTED();
}
}
if (workarounds->max_texture_size_limit_4096)
workarounds->max_texture_size = 4096;
if (workarounds->max_fragment_uniform_vectors_32)
workarounds->max_fragment_uniform_vectors = 32;
if (workarounds->max_varying_vectors_16)
workarounds->max_varying_vectors = 16;
if (workarounds->max_vertex_uniform_vectors_256)
workarounds->max_vertex_uniform_vectors = 256;
if (workarounds->max_copy_texture_chromium_size_1048576)
workarounds->max_copy_texture_chromium_size = 1048576;
if (workarounds->max_copy_texture_chromium_size_262144)
workarounds->max_copy_texture_chromium_size = 262144;
}
GLint LowerMax(GLint max0, GLint max1) {
if (max0 > 0 && max1 > 0)
return std::min(max0, max1);
if (max0 > 0)
return max0;
return max1;
}
} // anonymous namespace
namespace gpu {
GpuDriverBugWorkarounds::GpuDriverBugWorkarounds() {}
GpuDriverBugWorkarounds::GpuDriverBugWorkarounds(
const std::vector<int>& enabled_driver_bug_workarounds) {
IntSetToWorkarounds(enabled_driver_bug_workarounds, this);
}
GpuDriverBugWorkarounds::GpuDriverBugWorkarounds(
const GpuDriverBugWorkarounds& other) = default;
GpuDriverBugWorkarounds::~GpuDriverBugWorkarounds() {}
void GpuDriverBugWorkarounds::Append(const GpuDriverBugWorkarounds& extra) {
#define GPU_OP(type, name) name |= extra.name;
GPU_DRIVER_BUG_WORKAROUNDS(GPU_OP)
#undef GPU_OP
max_texture_size = LowerMax(max_texture_size, extra.max_texture_size);
max_fragment_uniform_vectors = LowerMax(max_fragment_uniform_vectors,
extra.max_fragment_uniform_vectors);
max_varying_vectors =
LowerMax(max_varying_vectors, extra.max_varying_vectors);
max_vertex_uniform_vectors =
LowerMax(max_vertex_uniform_vectors, extra.max_vertex_uniform_vectors);
max_copy_texture_chromium_size = LowerMax(
max_copy_texture_chromium_size, extra.max_copy_texture_chromium_size);
}
} // namespace gpu