bbdc0b42fc
This also switches from using CoglHandle to CoglProgram where appropriate which allowed dropping a duplicated function that had the wrong signature... Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3193>
83 lines
2.7 KiB
C
83 lines
2.7 KiB
C
/*
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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 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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#pragma once
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#include "cogl/cogl-boxed-value.h"
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typedef struct _CoglProgram CoglProgram;
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struct _CoglProgram
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{
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GObject parent_instance;
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GSList *attached_shaders;
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GArray *custom_uniforms;
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/* An age counter that changes whenever the list of shaders is modified */
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unsigned int age;
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};
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typedef struct _CoglProgramUniform CoglProgramUniform;
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struct _CoglProgramUniform
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{
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char *name;
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CoglBoxedValue value;
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/* The cached GL location for this uniform. This is only valid
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between calls to _cogl_program_dirty_all_uniforms */
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GLint location;
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/* Whether we have a location yet */
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unsigned int location_valid : 1;
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/* Whether the uniform value has changed since the last time the
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uniforms were flushed */
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unsigned int dirty : 1;
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};
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/* Internal function to flush the custom uniforms for the given use
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program. This assumes the target GL program is already bound. The
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gl_program still needs to be passed so that CoglProgram can query
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the uniform locations. gl_program_changed should be set to TRUE if
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we are flushing the uniforms against a different GL program from
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the last time it was flushed. This will cause it to requery all of
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the locations and assume that all uniforms are dirty */
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void
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_cogl_program_flush_uniforms (CoglProgram *program,
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GLuint gl_program,
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gboolean gl_program_changed);
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gboolean
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_cogl_program_has_fragment_shader (CoglProgram *self);
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gboolean
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_cogl_program_has_vertex_shader (CoglProgram *self);
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