C++ (Cpp) intel_miptree_create_for_renderbuffer Examples

Example #1

File: intel_fbo.c Project: Sheph/mesa

static GLboolean
intel_alloc_private_renderbuffer_storage(struct gl_context * ctx, struct gl_renderbuffer *rb,
                                         GLenum internalFormat,
                                         GLuint width, GLuint height)
{
   struct intel_context *intel = intel_context(ctx);
   struct intel_renderbuffer *irb = intel_renderbuffer(rb);

   assert(rb->Format != MESA_FORMAT_NONE);

   rb->Width = width;
   rb->Height = height;
   rb->_BaseFormat = _mesa_base_fbo_format(ctx, internalFormat);

   intel_miptree_release(&irb->mt);

   DBG("%s: %s: %s (%dx%d)\n", __FUNCTION__,
       _mesa_lookup_enum_by_nr(internalFormat),
       _mesa_get_format_name(rb->Format), width, height);

   if (width == 0 || height == 0)
      return true;

   irb->mt = intel_miptree_create_for_renderbuffer(intel, rb->Format,
						   width, height);
   if (!irb->mt)
      return false;

   return true;
}

Example #2

/**
 * Called via glRenderbufferStorageEXT() to set the format and allocate
 * storage for a user-created renderbuffer.
 */
GLboolean
intel_alloc_renderbuffer_storage(struct gl_context * ctx, struct gl_renderbuffer *rb,
                                 GLenum internalFormat,
                                 GLuint width, GLuint height)
{
    struct intel_context *intel = intel_context(ctx);
    struct intel_renderbuffer *irb = intel_renderbuffer(rb);

    ASSERT(rb->Name != 0);

    switch (internalFormat) {
    default:
        /* Use the same format-choice logic as for textures.
         * Renderbuffers aren't any different from textures for us,
         * except they're less useful because you can't texture with
         * them.
         */
        rb->Format = intel->ctx.Driver.ChooseTextureFormat(ctx, internalFormat,
                     GL_NONE, GL_NONE);
        break;
    case GL_STENCIL_INDEX:
    case GL_STENCIL_INDEX1_EXT:
    case GL_STENCIL_INDEX4_EXT:
    case GL_STENCIL_INDEX8_EXT:
    case GL_STENCIL_INDEX16_EXT:
        /* These aren't actual texture formats, so force them here. */
        if (intel->has_separate_stencil) {
            rb->Format = MESA_FORMAT_S8;
        } else {
            assert(!intel->must_use_separate_stencil);
            rb->Format = MESA_FORMAT_S8_Z24;
        }
        break;
    }

    rb->Width = width;
    rb->Height = height;
    rb->_BaseFormat = _mesa_base_fbo_format(ctx, internalFormat);

    intel_miptree_release(&irb->mt);

    DBG("%s: %s: %s (%dx%d)\n", __FUNCTION__,
        _mesa_lookup_enum_by_nr(internalFormat),
        _mesa_get_format_name(rb->Format), width, height);

    irb->mt = intel_miptree_create_for_renderbuffer(intel, rb->Format,
              width, height);
    if (!irb->mt)
        return false;

    if (intel->vtbl.is_hiz_depth_format(intel, rb->Format)) {
        bool ok = intel_miptree_alloc_hiz(intel, irb->mt);
        if (!ok) {
            intel_miptree_release(&irb->mt);
            return false;
        }
    }

    return true;
}

Example #3

File: intel_fbo.c Project: kaltsi/mesa

/**
 * Called via glRenderbufferStorageEXT() to set the format and allocate
 * storage for a user-created renderbuffer.
 */
static GLboolean
intel_alloc_renderbuffer_storage(struct gl_context * ctx, struct gl_renderbuffer *rb,
                                 GLenum internalFormat,
                                 GLuint width, GLuint height)
{
   struct brw_context *brw = brw_context(ctx);
   struct intel_screen *screen = brw->intelScreen;
   struct intel_renderbuffer *irb = intel_renderbuffer(rb);
   rb->NumSamples = intel_quantize_num_samples(screen, rb->NumSamples);

   switch (internalFormat) {
   default:
      /* Use the same format-choice logic as for textures.
       * Renderbuffers aren't any different from textures for us,
       * except they're less useful because you can't texture with
       * them.
       */
      rb->Format = ctx->Driver.ChooseTextureFormat(ctx, GL_TEXTURE_2D,
                                                   internalFormat,
                                                   GL_NONE, GL_NONE);
      break;
   case GL_STENCIL_INDEX:
   case GL_STENCIL_INDEX1_EXT:
   case GL_STENCIL_INDEX4_EXT:
   case GL_STENCIL_INDEX8_EXT:
   case GL_STENCIL_INDEX16_EXT:
      /* These aren't actual texture formats, so force them here. */
      if (brw->has_separate_stencil) {
	 rb->Format = MESA_FORMAT_S8;
      } else {
	 assert(!brw->must_use_separate_stencil);
	 rb->Format = MESA_FORMAT_S8_Z24;
      }
      break;
   }

   rb->Width = width;
   rb->Height = height;
   rb->_BaseFormat = _mesa_base_fbo_format(ctx, internalFormat);

   intel_miptree_release(&irb->mt);

   DBG("%s: %s: %s (%dx%d)\n", __FUNCTION__,
       _mesa_lookup_enum_by_nr(internalFormat),
       _mesa_get_format_name(rb->Format), width, height);

   if (width == 0 || height == 0)
      return true;

   irb->mt = intel_miptree_create_for_renderbuffer(brw, rb->Format,
						   width, height,
                                                   rb->NumSamples);
   if (!irb->mt)
      return false;

   return true;
}