170f3ee089
Add support for setting a uniform matrix on GLSLEffect because the color vision deficiency simulation extension requires it. Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2164>
63 lines
2.3 KiB
C
63 lines
2.3 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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#ifndef __SHELL_GLSL_EFFECT_H__
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#define __SHELL_GLSL_EFFECT_H__
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#include "st.h"
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#include <gtk/gtk.h>
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/**
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* ShellSnippetHook:
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* Temporary hack to work around Cogl not exporting CoglSnippetHook in
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* the 1.0 API. Don't use.
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*/
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typedef enum {
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/* Per pipeline vertex hooks */
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SHELL_SNIPPET_HOOK_VERTEX = 0,
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SHELL_SNIPPET_HOOK_VERTEX_TRANSFORM,
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/* Per pipeline fragment hooks */
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SHELL_SNIPPET_HOOK_FRAGMENT = 2048,
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/* Per layer vertex hooks */
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SHELL_SNIPPET_HOOK_TEXTURE_COORD_TRANSFORM = 4096,
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/* Per layer fragment hooks */
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SHELL_SNIPPET_HOOK_LAYER_FRAGMENT = 6144,
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SHELL_SNIPPET_HOOK_TEXTURE_LOOKUP
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} ShellSnippetHook;
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#define SHELL_TYPE_GLSL_EFFECT (shell_glsl_effect_get_type ())
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G_DECLARE_DERIVABLE_TYPE (ShellGLSLEffect, shell_glsl_effect,
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SHELL, GLSL_EFFECT, ClutterOffscreenEffect)
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struct _ShellGLSLEffectClass
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{
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ClutterOffscreenEffectClass parent_class;
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CoglPipeline *base_pipeline;
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void (*build_pipeline) (ShellGLSLEffect *effect);
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};
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void shell_glsl_effect_add_glsl_snippet (ShellGLSLEffect *effect,
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ShellSnippetHook hook,
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const char *declarations,
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const char *code,
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gboolean is_replace);
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int shell_glsl_effect_get_uniform_location (ShellGLSLEffect *effect,
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const char *name);
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void shell_glsl_effect_set_uniform_float (ShellGLSLEffect *effect,
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int uniform,
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int n_components,
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int total_count,
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const float *value);
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void shell_glsl_effect_set_uniform_matrix (ShellGLSLEffect *effect,
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int uniform,
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gboolean transpose,
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int dimensions,
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int total_count,
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const float *value);
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#endif /* __SHELL_GLSL_EFFECT_H__ */
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