blob: 32a0e747d0284e8e2fd63ca95a2357a287540a95 [file] [log] [blame]
// Copyright 2017 The Cobalt Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "starboard/raspi/shared/open_max/decode_target_create.h"
#include <GLES2/gl2.h>
#include "starboard/common/log.h"
#include "starboard/decode_target.h"
#include "starboard/raspi/shared/open_max/decode_target_internal.h"
#include "starboard/shared/gles/gl_call.h"
namespace starboard {
namespace raspi {
namespace shared {
namespace open_max {
namespace {
struct CreateParams {
int width;
int height;
SbDecodeTargetFormat format;
EGLDisplay egl_display;
EGLContext egl_context;
SbDecodeTarget decode_target_out;
};
void CreateWithContextRunner(void* context) {
CreateParams* params = static_cast<CreateParams*>(context);
GLuint texture;
GL_CALL(glGenTextures(1, &texture));
GL_CALL(glBindTexture(GL_TEXTURE_2D, texture));
GL_CALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR));
GL_CALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR));
GL_CALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE));
GL_CALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE));
GL_CALL(glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, params->width, params->height,
0, GL_RGBA, GL_UNSIGNED_BYTE, NULL));
SbDecodeTargetPrivate* target = new SbDecodeTargetPrivate;
target->display = params->egl_display;
target->info.format = params->format;
// Data to be set by the decoder.
target->info.is_opaque = false;
target->info.width = params->width;
target->info.height = params->height;
target->info.planes[0].texture = texture;
target->info.planes[0].gl_texture_target = GL_TEXTURE_2D;
target->info.planes[0].width = params->width;
target->info.planes[0].height = params->height;
target->info.planes[0].content_region.left = 0;
target->info.planes[0].content_region.top = 0;
target->info.planes[0].content_region.right = params->width;
target->info.planes[0].content_region.bottom = params->height;
target->images[0] = eglCreateImageKHR(
params->egl_display, params->egl_context, EGL_GL_TEXTURE_2D_KHR,
(EGLClientBuffer)target->info.planes[0].texture, NULL);
SB_DCHECK(eglGetError() == EGL_SUCCESS);
SB_DCHECK(target->images[0] != EGL_NO_IMAGE_KHR);
GL_CALL(glBindTexture(GL_TEXTURE_2D, 0));
params->decode_target_out = target;
}
} // namespace
SbDecodeTarget DecodeTargetCreate(
SbDecodeTargetGraphicsContextProvider* provider,
SbDecodeTargetFormat format,
int width,
int height) {
SB_DCHECK(format == kSbDecodeTargetFormat1PlaneRGBA);
if (format != kSbDecodeTargetFormat1PlaneRGBA) {
return kSbDecodeTargetInvalid;
}
CreateParams params;
params.width = width;
params.height = height;
params.format = format;
params.egl_display = provider->egl_display;
params.egl_context = provider->egl_context;
params.decode_target_out = kSbDecodeTargetInvalid;
SbDecodeTargetRunInGlesContext(
provider, &CreateWithContextRunner, static_cast<void*>(&params));
return params.decode_target_out;
}
} // namespace open_max
} // namespace shared
} // namespace raspi
} // namespace starboard