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/*
* Copyright 2014 © Samsung Research America, Silicon Valley
*
* Use of this source code is governed by the 3-Clause BSD license
* specified in the COPYING file included with this source code.
*/
#include <config.h>
#include <err.h>
#include <stdlib.h>
#include <GrGLInterface.h>
#include <GrRenderTarget.h>
#include <GrContext.h>
#include <SkGpuDevice.h>
#include <EGL/egl.h>
#if HAVE_GLES3_H
#include <GLES3/gl3.h>
#elif HAVE_GLES2_H
#include <GLES2/gl2.h>
#endif
#include "egl.h"
#include "device_config.h"
static egl_state_t *state;
static GrContext* ctx;
SkBaseDevice *
create_skia_device_egl (const device_config_t& config)
{
GrBackendRenderTargetDesc desc;
GrRenderTarget* target;
SkGpuDevice *device;
state = (egl_state_t*) malloc (sizeof (egl_state_t));
if (!state) {
warnx ("Out of memory\n");
return NULL;
}
if (!createEGLContextAndWindow(state, config)) {
cleanup_state_egl(state);
return NULL;
}
eglMakeCurrent(state->egl_display, state->egl_surface, state->egl_surface, state->egl_context);
desc.fWidth = config.width;
desc.fHeight = config.height;
desc.fConfig = kSkia8888_GrPixelConfig;
desc.fOrigin = kBottomLeft_GrSurfaceOrigin;
desc.fStencilBits = 1;
desc.fRenderTargetHandle = 0;
if (config.egl_sample_buffers > 0)
desc.fSampleCnt = config.egl_samples;
else
desc.fSampleCnt = 0;
ctx = GrContext::Create(kOpenGL_GrBackend, 0);
if (!ctx) {
cleanup_state_egl(state);
errx(-1, "Could not establish a graphics context for Skia EGL\n");
}
target = ctx->wrapBackendRenderTarget(desc);
device = new SkGpuDevice(ctx, target);
glClearColor(1, 1, 1, 1);
glClear(GL_COLOR_BUFFER_BIT);
return device;
}
void
destroy_skia_egl(void)
{
delete ctx;
cleanup_state_egl(state);
}
void
update_skia_egl(void)
{
ctx->flush();
eglSwapBuffers(state->egl_display, state->egl_surface);
}
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :
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