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168 lines
7.4 KiB
C
168 lines
7.4 KiB
C
/* GSK - The GTK Scene Kit
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*
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* Copyright 2020 Red Hat Inc
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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 <http://www.gnu.org/licenses/>.
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*/
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#ifndef __GSK_GL_SHADER_H__
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#define __GSK_GL_SHADER_H__
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#if !defined (__GSK_H_INSIDE__) && !defined (GTK_COMPILATION)
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#error "Only <gsk/gsk.h> can be included directly."
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#endif
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#include <stdarg.h>
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#include <gsk/gsktypes.h>
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#include <gsk/gskenums.h>
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G_BEGIN_DECLS
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#define GSK_TYPE_SHADER_ARGS_BUILDER (gsk_shader_args_builder_get_type ())
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/**
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* GskShaderArgsBuilder:
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*
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* An object to build the uniforms data for a `GskGLShader`.
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*/
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typedef struct _GskShaderArgsBuilder GskShaderArgsBuilder;
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#define GSK_TYPE_GL_SHADER (gsk_gl_shader_get_type ())
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GDK_AVAILABLE_IN_ALL
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G_DECLARE_FINAL_TYPE (GskGLShader, gsk_gl_shader, GSK, GL_SHADER, GObject)
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GDK_AVAILABLE_IN_ALL
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GskGLShader * gsk_gl_shader_new_from_bytes (GBytes *sourcecode);
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GDK_AVAILABLE_IN_ALL
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GskGLShader * gsk_gl_shader_new_from_resource (const char *resource_path);
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GDK_AVAILABLE_IN_ALL
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gboolean gsk_gl_shader_compile (GskGLShader *shader,
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GskRenderer *renderer,
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GError **error);
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GDK_AVAILABLE_IN_ALL
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GBytes * gsk_gl_shader_get_source (GskGLShader *shader);
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GDK_AVAILABLE_IN_ALL
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const char * gsk_gl_shader_get_resource (GskGLShader *shader);
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GDK_AVAILABLE_IN_ALL
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int gsk_gl_shader_get_n_textures (GskGLShader *shader);
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GDK_AVAILABLE_IN_ALL
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int gsk_gl_shader_get_n_uniforms (GskGLShader *shader);
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GDK_AVAILABLE_IN_ALL
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const char * gsk_gl_shader_get_uniform_name (GskGLShader *shader,
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int idx);
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GDK_AVAILABLE_IN_ALL
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int gsk_gl_shader_find_uniform_by_name (GskGLShader *shader,
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const char *name);
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GDK_AVAILABLE_IN_ALL
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GskGLUniformType gsk_gl_shader_get_uniform_type (GskGLShader *shader,
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int idx);
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GDK_AVAILABLE_IN_ALL
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int gsk_gl_shader_get_uniform_offset (GskGLShader *shader,
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int idx);
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GDK_AVAILABLE_IN_ALL
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gsize gsk_gl_shader_get_args_size (GskGLShader *shader);
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/* Helpers for managing shader args */
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GDK_AVAILABLE_IN_ALL
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GBytes * gsk_gl_shader_format_args_va (GskGLShader *shader,
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va_list uniforms);
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GDK_AVAILABLE_IN_ALL
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GBytes * gsk_gl_shader_format_args (GskGLShader *shader,
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...) G_GNUC_NULL_TERMINATED;
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GDK_AVAILABLE_IN_ALL
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float gsk_gl_shader_get_arg_float (GskGLShader *shader,
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GBytes *args,
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int idx);
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GDK_AVAILABLE_IN_ALL
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gint32 gsk_gl_shader_get_arg_int (GskGLShader *shader,
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GBytes *args,
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int idx);
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GDK_AVAILABLE_IN_ALL
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guint32 gsk_gl_shader_get_arg_uint (GskGLShader *shader,
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GBytes *args,
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int idx);
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GDK_AVAILABLE_IN_ALL
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gboolean gsk_gl_shader_get_arg_bool (GskGLShader *shader,
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GBytes *args,
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int idx);
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GDK_AVAILABLE_IN_ALL
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void gsk_gl_shader_get_arg_vec2 (GskGLShader *shader,
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GBytes *args,
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int idx,
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graphene_vec2_t *out_value);
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GDK_AVAILABLE_IN_ALL
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void gsk_gl_shader_get_arg_vec3 (GskGLShader *shader,
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GBytes *args,
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int idx,
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graphene_vec3_t *out_value);
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GDK_AVAILABLE_IN_ALL
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void gsk_gl_shader_get_arg_vec4 (GskGLShader *shader,
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GBytes *args,
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int idx,
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graphene_vec4_t *out_value);
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GDK_AVAILABLE_IN_ALL
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GType gsk_shader_args_builder_get_type (void) G_GNUC_CONST;
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GDK_AVAILABLE_IN_ALL
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GskShaderArgsBuilder *gsk_shader_args_builder_new (GskGLShader *shader,
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GBytes *initial_values);
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GDK_AVAILABLE_IN_ALL
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GBytes * gsk_shader_args_builder_to_args (GskShaderArgsBuilder *builder);
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GDK_AVAILABLE_IN_ALL
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GBytes * gsk_shader_args_builder_free_to_args (GskShaderArgsBuilder *builder);
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GDK_AVAILABLE_IN_ALL
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GskShaderArgsBuilder *gsk_shader_args_builder_ref (GskShaderArgsBuilder *builder);
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GDK_AVAILABLE_IN_ALL
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void gsk_shader_args_builder_unref (GskShaderArgsBuilder *builder);
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GDK_AVAILABLE_IN_ALL
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void gsk_shader_args_builder_set_float (GskShaderArgsBuilder *builder,
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int idx,
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float value);
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GDK_AVAILABLE_IN_ALL
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void gsk_shader_args_builder_set_int (GskShaderArgsBuilder *builder,
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int idx,
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gint32 value);
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GDK_AVAILABLE_IN_ALL
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void gsk_shader_args_builder_set_uint (GskShaderArgsBuilder *builder,
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int idx,
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guint32 value);
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GDK_AVAILABLE_IN_ALL
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void gsk_shader_args_builder_set_bool (GskShaderArgsBuilder *builder,
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int idx,
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gboolean value);
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GDK_AVAILABLE_IN_ALL
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void gsk_shader_args_builder_set_vec2 (GskShaderArgsBuilder *builder,
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int idx,
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const graphene_vec2_t *value);
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GDK_AVAILABLE_IN_ALL
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void gsk_shader_args_builder_set_vec3 (GskShaderArgsBuilder *builder,
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int idx,
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const graphene_vec3_t *value);
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GDK_AVAILABLE_IN_ALL
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void gsk_shader_args_builder_set_vec4 (GskShaderArgsBuilder *builder,
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int idx,
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const graphene_vec4_t *value);
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G_END_DECLS
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#endif /* __GSK_GL_SHADER_H__ */
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