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39a7bcff67
This removes the use of _COGL_GET_CONTEXT() from cogl-matrix-stack.c as part of the ongoing effort to evolve cogl to get rid of the need for a default context. Reviewed-by: Neil Roberts <neil@linux.intel.com>
136 lines
4.0 KiB
C
136 lines
4.0 KiB
C
/*
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* Cogl
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*
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* An object oriented GL/GLES Abstraction/Utility Layer
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*
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* Copyright (C) 2008,2009,2010 Intel Corporation.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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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-pipeline-private.h"
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#include "cogl-pipeline-opengl-private.h"
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#ifdef COGL_PIPELINE_VERTEND_FIXED
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#include "cogl.h"
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#include "cogl-internal.h"
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#include "cogl-context-private.h"
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#include "cogl-handle.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 gboolean
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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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int n_tex_coord_attribs)
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{
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CoglProgram *user_program;
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_COGL_GET_CONTEXT (ctx, FALSE);
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if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_DISABLE_FIXED)))
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return FALSE;
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if (ctx->driver == COGL_DRIVER_GLES2)
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return FALSE;
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/* If there is a user program with a vertex shader then the
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appropriate backend for that language should handle it. We can
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still use the fixed vertex backend if the program only contains
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a fragment shader */
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user_program = cogl_pipeline_get_user_program (pipeline);
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if (user_program != COGL_INVALID_HANDLE &&
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_cogl_program_has_vertex_shader (user_program))
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return FALSE;
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_cogl_use_vertex_program (0, COGL_PIPELINE_PROGRAM_TYPE_FIXED);
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return TRUE;
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}
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static gboolean
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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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{
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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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_COGL_GET_CONTEXT (ctx, FALSE);
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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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_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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_cogl_matrix_stack_flush_to_gl (ctx, unit->matrix_stack,
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COGL_MATRIX_TEXTURE);
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}
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return TRUE;
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}
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static gboolean
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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 (ctx->point_size_cache != authority->big_state->point_size)
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{
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GE( ctx, glPointSize (authority->big_state->point_size) );
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ctx->point_size_cache = authority->big_state->point_size;
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}
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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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