Esempi in C++ (Cpp) per gst_gl_framebuffer_new_with_default_depth

Esempio n. 1

File: gstgltestsrc.c Progetto: CogentEmbedded/gst-plugins-bad

static void
_src_generate_fbo_gl (GstGLContext * context, GstGLTestSrc * src)
{
  src->fbo = gst_gl_framebuffer_new_with_default_depth (src->context,
      GST_VIDEO_INFO_WIDTH (&src->out_info),
      GST_VIDEO_INFO_HEIGHT (&src->out_info));
}

Esempio n. 2

File: gstglcontext.c Progetto: thaytan/gst-plugins-base

static void
init_blit (gpointer data)
{
  GstGLContext *context = data;
  const GstGLFuncs *gl = context->gl_vtable;

  if (!vbo) {
    if (gl->GenVertexArrays) {
      gl->GenVertexArrays (1, &vao);
      gl->BindVertexArray (vao);
    }

    gl->GenBuffers (1, &vbo);
    gl->BindBuffer (GL_ARRAY_BUFFER, vbo);
    gl->BufferData (GL_ARRAY_BUFFER, 4 * 5 * sizeof (GLfloat), vertices,
        GL_STATIC_DRAW);

    gl->GenBuffers (1, &vbo_indices);
    gl->BindBuffer (GL_ELEMENT_ARRAY_BUFFER, vbo_indices);
    gl->BufferData (GL_ELEMENT_ARRAY_BUFFER, sizeof (indices), indices,
        GL_STATIC_DRAW);

    if (gl->GenVertexArrays) {
      _bind_buffer (context);
      gl->BindVertexArray (0);
    }

    gl->BindBuffer (GL_ARRAY_BUFFER, 0);
    gl->BindBuffer (GL_ELEMENT_ARRAY_BUFFER, 0);
  }
  /* has to be called in the thread that is going to use the framebuffer */
  fbo2 = gst_gl_framebuffer_new_with_default_depth (context, 320, 240);

  fail_if (fbo2 == NULL, "failed to create framebuffer object");
}

Esempio n. 3

File: gstglcontext.c Progetto: thaytan/gst-plugins-base

static void
init (gpointer data)
{
  GstGLContext *context = data;
  GError *error = NULL;
  GstVideoInfo v_info;
  GstGLMemoryAllocator *allocator;
  GstGLVideoAllocationParams *params;

  gst_video_info_set_format (&v_info, GST_VIDEO_FORMAT_RGBA, 320, 240);
  allocator = gst_gl_memory_allocator_get_default (context);
  params =
      gst_gl_video_allocation_params_new (context, NULL, &v_info, 0, NULL,
      GST_GL_TEXTURE_TARGET_2D, GST_GL_RGBA);

  /* has to be called in the thread that is going to use the framebuffer */
  fbo = gst_gl_framebuffer_new_with_default_depth (context, 320, 240);

  fail_if (fbo == NULL, "failed to create framebuffer object");

  gl_tex =
      (GstGLMemory *) gst_gl_base_memory_alloc ((GstGLBaseMemoryAllocator *)
      allocator, (GstGLAllocationParams *) params);
  gl_tex2 =
      (GstGLMemory *) gst_gl_base_memory_alloc ((GstGLBaseMemoryAllocator *)
      allocator, (GstGLAllocationParams *) params);
  gst_object_unref (allocator);
  gst_gl_allocation_params_free ((GstGLAllocationParams *) params);
  fail_if (gl_tex == NULL, "failed to create texture");

  shader = gst_gl_shader_new_default (context, &error);
  fail_if (shader == NULL, "failed to create shader object: %s",
      error->message);

  shader_attr_position_loc =
      gst_gl_shader_get_attribute_location (shader, "a_position");
  shader_attr_texture_loc =
      gst_gl_shader_get_attribute_location (shader, "a_texcoord");
}