Exemplo n.º 1
0
/**
 * intel_prepare_render should be called anywhere that curent read/drawbuffer
 * state is required.
 */
void
intel_prepare_render(struct intel_context *intel)
{
   __DRIcontext *driContext = intel->driContext;
   __DRIdrawable *drawable;

   drawable = driContext->driDrawablePriv;
   if (drawable && drawable->dri2.stamp != driContext->dri2.draw_stamp) {
      if (drawable->lastStamp != drawable->dri2.stamp)
	 intel_update_renderbuffers(driContext, drawable);
      intel_draw_buffer(&intel->ctx);
      driContext->dri2.draw_stamp = drawable->dri2.stamp;
   }

   drawable = driContext->driReadablePriv;
   if (drawable && drawable->dri2.stamp != driContext->dri2.read_stamp) {
      if (drawable->lastStamp != drawable->dri2.stamp)
	 intel_update_renderbuffers(driContext, drawable);
      driContext->dri2.read_stamp = drawable->dri2.stamp;
   }

   /* If we're currently rendering to the front buffer, the rendering
    * that will happen next will probably dirty the front buffer.  So
    * mark it as dirty here.
    */
   if (intel->is_front_buffer_rendering)
      intel->front_buffer_dirty = true;

   /* Wait for the swapbuffers before the one we just emitted, so we
    * don't get too many swaps outstanding for apps that are GPU-heavy
    * but not CPU-heavy.
    *
    * We're using intelDRI2Flush (called from the loader before
    * swapbuffer) and glFlush (for front buffer rendering) as the
    * indicator that a frame is done and then throttle when we get
    * here as we prepare to render the next frame.  At this point for
    * round trips for swap/copy and getting new buffers are done and
    * we'll spend less time waiting on the GPU.
    *
    * Unfortunately, we don't have a handle to the batch containing
    * the swap, and getting our hands on that doesn't seem worth it,
    * so we just us the first batch we emitted after the last swap.
    */
   if (intel->need_throttle && intel->first_post_swapbuffers_batch) {
      if (!intel->disable_throttling)
         drm_intel_bo_wait_rendering(intel->first_post_swapbuffers_batch);
      drm_intel_bo_unreference(intel->first_post_swapbuffers_batch);
      intel->first_post_swapbuffers_batch = NULL;
      intel->need_throttle = false;
   }
}
Exemplo n.º 2
0
void
intelSetTexBuffer2(__DRIcontext *pDRICtx, GLint target,
		   GLint texture_format,
		   __DRIdrawable *dPriv)
{
   struct gl_framebuffer *fb = dPriv->driverPrivate;
   struct intel_context *intel = pDRICtx->driverPrivate;
   struct gl_context *ctx = &intel->ctx;
   struct intel_texture_object *intelObj;
   struct intel_renderbuffer *rb;
   struct gl_texture_object *texObj;
   struct gl_texture_image *texImage;
   int level = 0, internalFormat = 0;
   gl_format texFormat = MESA_FORMAT_NONE;

   texObj = _mesa_get_current_tex_object(ctx, target);
   intelObj = intel_texture_object(texObj);

   if (!intelObj)
      return;

   if (dPriv->lastStamp != dPriv->dri2.stamp ||
       !pDRICtx->driScreenPriv->dri2.useInvalidate)
      intel_update_renderbuffers(pDRICtx, dPriv);

   rb = intel_get_renderbuffer(fb, BUFFER_FRONT_LEFT);
   /* If the region isn't set, then intel_update_renderbuffers was unable
    * to get the buffers for the drawable.
    */
   if (!rb || !rb->mt)
      return;

   if (rb->mt->cpp == 4) {
      if (texture_format == __DRI_TEXTURE_FORMAT_RGB) {
         internalFormat = GL_RGB;
         texFormat = MESA_FORMAT_XRGB8888;
      }
      else {
         internalFormat = GL_RGBA;
         texFormat = MESA_FORMAT_ARGB8888;
      }
   } else if (rb->mt->cpp == 2) {
      internalFormat = GL_RGB;
      texFormat = MESA_FORMAT_RGB565;
   }

   _mesa_lock_texture(&intel->ctx, texObj);
   texImage = _mesa_get_tex_image(ctx, texObj, target, level);
   intel_set_texture_image_region(ctx, texImage, rb->mt->region, target,
                                  internalFormat, texFormat, 0,
                                  rb->mt->region->width,
                                  rb->mt->region->height,
                                  0, 0);
   _mesa_unlock_texture(&intel->ctx, texObj);
}
Exemplo n.º 3
0
void
intelSetTexBuffer2(__DRIcontext *pDRICtx, GLint target,
		   GLint texture_format,
		   __DRIdrawable *dPriv)
{
   struct gl_framebuffer *fb = dPriv->driverPrivate;
   struct brw_context *brw = pDRICtx->driverPrivate;
   struct gl_context *ctx = &brw->ctx;
   struct intel_renderbuffer *rb;
   struct gl_texture_object *texObj;
   struct gl_texture_image *texImage;
   int level = 0, internalFormat = 0;
   mesa_format texFormat = MESA_FORMAT_NONE;

   texObj = _mesa_get_current_tex_object(ctx, target);

   if (!texObj)
      return;

   if (dPriv->lastStamp != dPriv->dri2.stamp ||
       !pDRICtx->driScreenPriv->dri2.useInvalidate)
      intel_update_renderbuffers(pDRICtx, dPriv);

   rb = intel_get_renderbuffer(fb, BUFFER_FRONT_LEFT);
   /* If the miptree isn't set, then intel_update_renderbuffers was unable
    * to get the BO for the drawable from the window system.
    */
   if (!rb || !rb->mt)
      return;

   if (rb->mt->cpp == 4) {
      if (texture_format == __DRI_TEXTURE_FORMAT_RGB) {
         internalFormat = GL_RGB;
         texFormat = MESA_FORMAT_B8G8R8X8_UNORM;
      }
      else {
         internalFormat = GL_RGBA;
         texFormat = MESA_FORMAT_B8G8R8A8_UNORM;
      }
   } else if (rb->mt->cpp == 2) {
      internalFormat = GL_RGB;
      texFormat = MESA_FORMAT_B5G6R5_UNORM;
   }

   _mesa_lock_texture(&brw->ctx, texObj);
   texImage = _mesa_get_tex_image(ctx, texObj, target, level);
   intel_miptree_make_shareable(brw, rb->mt);
   intel_set_texture_image_bo(ctx, texImage, rb->mt->bo, target,
                              internalFormat, texFormat, 0,
                              rb->Base.Base.Width,
                              rb->Base.Base.Height,
                              rb->mt->pitch,
                              0, 0, 0);
   _mesa_unlock_texture(&brw->ctx, texObj);
}
Exemplo n.º 4
0
void
intel_prepare_render(struct intel_context *intel)
{
   __DRIcontext *driContext = intel->driContext;
   __DRIdrawable *drawable;

   drawable = intel->driDrawable;
   if (drawable->dri2.stamp != driContext->dri2.draw_stamp) {
      if (drawable->lastStamp != drawable->dri2.stamp)
	 intel_update_renderbuffers(driContext, drawable);
      intel_draw_buffer(&intel->ctx, intel->ctx.DrawBuffer);
      driContext->dri2.draw_stamp = drawable->dri2.stamp;
   }

   drawable = intel->driReadDrawable;
   if (drawable->dri2.stamp != driContext->dri2.read_stamp) {
      if (drawable->lastStamp != drawable->dri2.stamp)
	 intel_update_renderbuffers(driContext, drawable);
      driContext->dri2.read_stamp = drawable->dri2.stamp;
   }
}
Exemplo n.º 5
0
static void
intelDrawBuffer(GLcontext * ctx, GLenum mode)
{
   if ((ctx->DrawBuffer != NULL) && (ctx->DrawBuffer->Name == 0)) {
      struct intel_context *const intel = intel_context(ctx);
      const GLboolean was_front_buffer_rendering =
	intel->is_front_buffer_rendering;

      intel->is_front_buffer_rendering = (mode == GL_FRONT_LEFT)
	|| (mode == GL_FRONT);

      /* If we weren't front-buffer rendering before but we are now, make sure
       * that the front-buffer has actually been allocated.
       */
      if (!was_front_buffer_rendering && intel->is_front_buffer_rendering) {
	 intel_update_renderbuffers(intel->driContext,
				    intel->driContext->driDrawablePriv);
      }
   }

   intel_draw_buffer(ctx, ctx->DrawBuffer);
}