static int
GLES_RenderClear(SDL_Renderer * renderer)
{
    GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;

    GLES_ActivateRenderer(renderer);

    data->glClearColor((GLfloat) renderer->r * inv255f,
                 (GLfloat) renderer->g * inv255f,
                 (GLfloat) renderer->b * inv255f,
                 (GLfloat) renderer->a * inv255f);

    data->glClear(GL_COLOR_BUFFER_BIT);

    return 0;
}
Exemple #2
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static int
GLES_RenderClear(SDL_Renderer * renderer)
{
    GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;

    GLES_ActivateRenderer(renderer);

    data->glClearColor((GLfloat) renderer->r * inv255f,
                 (GLfloat) renderer->g * inv255f,
                 (GLfloat) renderer->b * inv255f,
                 (GLfloat) renderer->a * inv255f);
    
    if (renderer->clipping_enabled) {
        data->glDisable(GL_SCISSOR_TEST);
    }

    data->glClear(GL_COLOR_BUFFER_BIT);

    if (renderer->clipping_enabled) {
        data->glEnable(GL_SCISSOR_TEST);
    }

    return 0;
}