skia2/tools/fiddle/mesa_context.cpp
Greg Daniel 02611d9afd Add Make[backend] calls for creating GrContexts
Docs-Preview: https://skia.org/?cl=26369
Bug: skia:
Change-Id: I460ee63e466f85b05918479f068a2e5ca2d70550
Reviewed-on: https://skia-review.googlesource.com/26369
Commit-Queue: Greg Daniel <egdaniel@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
2017-07-25 14:33:03 +00:00

32 lines
987 B
C++

/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "fiddle_main.h"
#include <GL/osmesa.h>
// create_grcontext implementation for Mesa.
sk_sp<GrContext> create_grcontext(std::ostringstream &driverinfo) {
// We just leak the OSMesaContext... the process will die soon anyway.
if (OSMesaContext osMesaContext = OSMesaCreateContextExt(OSMESA_BGRA, 0, 0, 0, nullptr)) {
static uint32_t buffer[16 * 16];
OSMesaMakeCurrent(osMesaContext, &buffer, GL_UNSIGNED_BYTE, 16, 16);
}
driverinfo << "Mesa";
auto osmesa_get = [](void* ctx, const char name[]) {
SkASSERT(nullptr == ctx);
SkASSERT(OSMesaGetCurrentContext());
return OSMesaGetProcAddress(name);
};
sk_sp<const GrGLInterface> mesa(GrGLAssembleInterface(nullptr, osmesa_get));
if (!mesa) {
return nullptr;
}
return GrContext::MakeGL(mesa.get());
}