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Viewing changes to cogl/cogl/driver/gl/cogl-pipeline-vertend-fixed.c

  • Committer: Rui Matos
  • Date: 2016-04-27 16:36:25 UTC
  • mfrom: (0.87.3184)
  • Revision ID: git-v1:3fcbe1d3ec5c9208dde080f7e9dac24e4c379bc0
Merge cogl's cogl-1.22 branch into mutter

https://bugzilla.gnome.org/show_bug.cgi?id=760439

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cogl/cogl/driver/gl/cogl-pipeline-vertend-fixed.c
 
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/*
 
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 * Cogl
 
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 *
 
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 * A Low Level GPU Graphics and Utilities API
 
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 *
 
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 * Copyright (C) 2008,2009,2010 Intel Corporation.
 
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 *
 
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 * Permission is hereby granted, free of charge, to any person
 
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 * obtaining a copy of this software and associated documentation
 
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 * files (the "Software"), to deal in the Software without
 
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 * restriction, including without limitation the rights to use, copy,
 
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 * modify, merge, publish, distribute, sublicense, and/or sell copies
 
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 * of the Software, and to permit persons to whom the Software is
 
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 * furnished to do so, subject to the following conditions:
 
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 *
 
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 * The above copyright notice and this permission notice shall be
 
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 * included in all copies or substantial portions of the Software.
 
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 *
 
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 
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 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 
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 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 
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 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 
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 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 
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 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 
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 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 
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 * SOFTWARE.
 
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 *
 
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 *
 
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 *
 
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 * Authors:
 
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 *   Neil Roberts <neil@linux.intel.com>
 
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 */
 
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#ifdef HAVE_CONFIG_H
 
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#include "config.h"
 
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#endif
 
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#include "cogl-context-private.h"
 
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#include "cogl-util-gl-private.h"
 
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#include "cogl-pipeline-private.h"
 
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#include "cogl-pipeline-state-private.h"
 
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#include "cogl-pipeline-opengl-private.h"
 
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#include "cogl-framebuffer-private.h"
 
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#ifdef COGL_PIPELINE_VERTEND_FIXED
 
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#include "cogl-context-private.h"
 
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#include "cogl-object-private.h"
 
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#include "cogl-program-private.h"
 
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const CoglPipelineVertend _cogl_pipeline_fixed_vertend;
 
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static void
 
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_cogl_pipeline_vertend_fixed_start (CoglPipeline *pipeline,
 
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                                    int n_layers,
 
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                                    unsigned long pipelines_difference)
 
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{
 
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  _cogl_use_vertex_program (0, COGL_PIPELINE_PROGRAM_TYPE_FIXED);
 
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}
 
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static CoglBool
 
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_cogl_pipeline_vertend_fixed_add_layer (CoglPipeline *pipeline,
 
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                                        CoglPipelineLayer *layer,
 
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                                        unsigned long layers_difference,
 
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                                        CoglFramebuffer *framebuffer)
 
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{
 
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  CoglContext *ctx = framebuffer->context;
 
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  int unit_index = _cogl_pipeline_layer_get_unit_index (layer);
 
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  CoglTextureUnit *unit = _cogl_get_texture_unit (unit_index);
 
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  if (layers_difference & COGL_PIPELINE_LAYER_STATE_USER_MATRIX)
 
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    {
 
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      CoglPipelineLayerState state = COGL_PIPELINE_LAYER_STATE_USER_MATRIX;
 
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      CoglPipelineLayer *authority =
 
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        _cogl_pipeline_layer_get_authority (layer, state);
 
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      CoglMatrixEntry *matrix_entry;
 
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      cogl_matrix_stack_set (unit->matrix_stack,
 
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                             &authority->big_state->matrix);
 
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      _cogl_set_active_texture_unit (unit_index);
 
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      matrix_entry = unit->matrix_stack->last_entry;
 
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      _cogl_matrix_entry_flush_to_gl_builtins (ctx, matrix_entry,
 
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                                               COGL_MATRIX_TEXTURE,
 
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                                               framebuffer,
 
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                                               FALSE /* enable flip */);
 
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    }
 
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  return TRUE;
 
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}
 
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static CoglBool
 
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_cogl_pipeline_vertend_fixed_end (CoglPipeline *pipeline,
 
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                                  unsigned long pipelines_difference)
 
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{
 
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  _COGL_GET_CONTEXT (ctx, FALSE);
 
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  if (pipelines_difference & COGL_PIPELINE_STATE_POINT_SIZE)
 
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    {
 
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      CoglPipeline *authority =
 
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        _cogl_pipeline_get_authority (pipeline, COGL_PIPELINE_STATE_POINT_SIZE);
 
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      if (authority->big_state->point_size > 0.0f)
 
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        GE( ctx, glPointSize (authority->big_state->point_size) );
 
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    }
 
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  return TRUE;
 
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}
 
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const CoglPipelineVertend _cogl_pipeline_fixed_vertend =
 
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{
 
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  _cogl_pipeline_vertend_fixed_start,
 
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  _cogl_pipeline_vertend_fixed_add_layer,
 
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  _cogl_pipeline_vertend_fixed_end,
 
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  NULL, /* pipeline_change_notify */
 
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  NULL /* layer_change_notify */
 
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};
 
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#endif /* COGL_PIPELINE_VERTEND_FIXED */
 
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