C++ (Cpp) GLES_RenderData::glFramebufferTexture2DOES示例

示例#1

文件： SDL_render_gles.c 项目： 1vanK/Urho3D

static int
GLES_SetRenderTarget(SDL_Renderer * renderer, SDL_Texture * texture)
{
    GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
    GLES_TextureData *texturedata = NULL;
    GLenum status;

    if (!data->GL_OES_framebuffer_object_supported) {
        return SDL_SetError("Can't enable render target support in this renderer");
    }

    if (texture == NULL) {
        data->glBindFramebufferOES(GL_FRAMEBUFFER_OES, data->window_framebuffer);
        return 0;
    }

    texturedata = (GLES_TextureData *) texture->driverdata;
    data->glBindFramebufferOES(GL_FRAMEBUFFER_OES, texturedata->fbo->FBO);
    /* TODO: check if texture pixel format allows this operation */
    data->glFramebufferTexture2DOES(GL_FRAMEBUFFER_OES, GL_COLOR_ATTACHMENT0_OES, texturedata->type, texturedata->texture, 0);
    /* Check FBO status */
    status = data->glCheckFramebufferStatusOES(GL_FRAMEBUFFER_OES);
    if (status != GL_FRAMEBUFFER_COMPLETE_OES) {
        return SDL_SetError("glFramebufferTexture2DOES() failed");
    }
    return 0;
}

示例#2

文件： SDL_render_gles.c 项目： leffuy/andsdl-test

static int
GLES_SetRenderTarget(SDL_Renderer * renderer, SDL_Texture * texture)
{
    GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
    GLES_TextureData *texturedata = NULL;
    GLenum status;

    GLES_ActivateRenderer(renderer);

    if (texture == NULL) {
        data->glBindFramebufferOES(GL_FRAMEBUFFER_OES, 0);
        return 0;
    }

    texturedata = (GLES_TextureData *) texture->driverdata;
    data->glBindFramebufferOES(GL_FRAMEBUFFER_OES, texturedata->fbo->FBO);
    /* TODO: check if texture pixel format allows this operation */
    data->glFramebufferTexture2DOES(GL_FRAMEBUFFER_OES, GL_COLOR_ATTACHMENT0_OES, texturedata->type, texturedata->texture, 0);
    /* Check FBO status */
    status = data->glCheckFramebufferStatusOES(GL_FRAMEBUFFER_OES);
    if (status != GL_FRAMEBUFFER_COMPLETE_OES) {
        SDL_SetError("glFramebufferTexture2DOES() failed");
        return -1;
    }
    return 0;
}