Subversion Repositories Kolibri OS

#include 

    glBindTexture(GL_TEXTURE_2D, 0);

    render->sampler = glGetUniformLocation(render->blit_prog,"sampler");

    glUseProgram(render->blit_prog);

    glUniform1i(render->sampler, 0);

    glVertexAttribPointer(0, 2, GL_FLOAT,GL_FALSE, 2 * sizeof(float),render->vertices);

    glEnableVertexAttribArray(0);

    glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 2 * sizeof(float),render->texcoords);

void create_mask(struct render *render)

{

    static EGLint attrib[] =

    {

        EGL_GL_TEXTURE_LEVEL_KHR, 0,

        EGL_NONE

    };

    struct drm_i915_gem_mmap mmap_arg;

    EGLint handle, stride;

    int pitch;

    void *data;

    glGenTextures(1, &render->tx_mask);

    if(glGetError() != GL_NO_ERROR)

       goto err1;

    glBindTexture(GL_TEXTURE_2D, render->tx_mask);

    if(glGetError() != GL_NO_ERROR)

       goto err2;

    glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);

    glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);

    pitch = (render->width+3) & -4;

    data = user_alloc(pitch*render->height);

    glTexImage2D(GL_TEXTURE_2D, 0, GL_RED, render->width, render->height, 0,

                 GL_RED,GL_UNSIGNED_BYTE, data);

    user_free(data);

    if(glGetError() != GL_NO_ERROR)

       goto err2;

    render->mask = eglCreateImageKHR(render->dpy, render->context,

                                     EGL_GL_TEXTURE_2D_KHR,(EGLClientBuffer)render->tx_mask,attrib);

    if(render->mask == EGL_NO_IMAGE_KHR)

        goto err2;

    if(!eglExportDRMImageMESA(render->dpy, render->mask, NULL, &handle, &stride))

        goto err3;

    glBindTexture(GL_TEXTURE_2D, 0);

    mmap_arg.handle = handle;

    mmap_arg.offset = 0;

    mmap_arg.size = stride * render->height;

    if (drm_ioctl(render->fd, DRM_IOCTL_I915_GEM_MMAP, &mmap_arg))

    {

        printf("%s: failed to mmap image %p handle=%d, %d bytes, into CPU domain\n",

               __FUNCTION__, render->mask, handle, stride*render->height);

        goto err3;

    }

    render->mask_buffer = (void *)(uintptr_t)mmap_arg.addr_ptr;

    printf("%s: mmap image %p handle=%d, %d bytes to %p\n",

           __FUNCTION__, render->mask, handle, stride*render->height, render->mask_buffer);

    return;

err3:

    eglDestroyImageKHR(render->dpy, render->mask);

err2:

    glBindTexture(GL_TEXTURE_2D, 0);