mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-12-27 06:00:22 +00:00
246 lines
9.0 KiB
C
246 lines
9.0 KiB
C
/* gskgldriverprivate.h
|
|
*
|
|
* Copyright 2020 Christian Hergert <chergert@redhat.com>
|
|
*
|
|
* This file is free software; you can redistribute it and/or modify it under
|
|
* the terms of the GNU Lesser General Public License as published by the Free
|
|
* Software Foundation; either version 2.1 of the License, or (at your option)
|
|
* any later version.
|
|
*
|
|
* This file is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
|
|
* License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
* SPDX-License-Identifier: LGPL-2.1-or-later
|
|
*/
|
|
|
|
#ifndef __GSK_GL_DRIVER_PRIVATE_H__
|
|
#define __GSK_GL_DRIVER_PRIVATE_H__
|
|
|
|
#include <gdk/gdkgltextureprivate.h>
|
|
|
|
#include "gskgltypesprivate.h"
|
|
#include "gskgltextureprivate.h"
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
enum {
|
|
UNIFORM_SHARED_ALPHA,
|
|
UNIFORM_SHARED_SOURCE,
|
|
UNIFORM_SHARED_CLIP_RECT,
|
|
UNIFORM_SHARED_VIEWPORT,
|
|
UNIFORM_SHARED_PROJECTION,
|
|
UNIFORM_SHARED_MODELVIEW,
|
|
|
|
UNIFORM_SHARED_LAST
|
|
};
|
|
|
|
enum {
|
|
UNIFORM_CUSTOM_SIZE = UNIFORM_SHARED_LAST,
|
|
UNIFORM_CUSTOM_TEXTURE1,
|
|
UNIFORM_CUSTOM_TEXTURE2,
|
|
UNIFORM_CUSTOM_TEXTURE3,
|
|
UNIFORM_CUSTOM_TEXTURE4,
|
|
UNIFORM_CUSTOM_ARG0,
|
|
UNIFORM_CUSTOM_ARG1,
|
|
UNIFORM_CUSTOM_ARG2,
|
|
UNIFORM_CUSTOM_ARG3,
|
|
UNIFORM_CUSTOM_ARG4,
|
|
UNIFORM_CUSTOM_ARG5,
|
|
UNIFORM_CUSTOM_ARG6,
|
|
UNIFORM_CUSTOM_ARG7,
|
|
|
|
UNIFORM_CUSTOM_LAST
|
|
};
|
|
|
|
typedef struct {
|
|
gconstpointer pointer;
|
|
float scale_x;
|
|
float scale_y;
|
|
int pointer_is_child;
|
|
graphene_rect_t parent_rect; /* Valid when pointer_is_child */
|
|
} GskTextureKey;
|
|
|
|
#define GSK_GL_NO_UNIFORMS CONCAT_EXPANDED(UNIFORM_INVALID_,__COUNTER__)
|
|
#define CONCAT_EXPANDED(a,b) CONCAT_EXPANDED2(a,b)
|
|
#define CONCAT_EXPANDED2(a,b) a##b
|
|
#define GSK_GL_ADD_UNIFORM(pos, KEY, name) UNIFORM_##KEY = UNIFORM_SHARED_LAST + pos,
|
|
#define GSK_GL_DEFINE_PROGRAM(name, resource, uniforms) enum { uniforms };
|
|
# include "gskglprograms.defs"
|
|
#undef GSK_GL_DEFINE_PROGRAM
|
|
#undef GSK_GL_ADD_UNIFORM
|
|
#undef GSK_GL_NO_UNIFORMS
|
|
#undef CONCAT_EXPANDED
|
|
#undef CONCAT_EXPANDED2
|
|
|
|
#define GSK_TYPE_GL_DRIVER (gsk_gl_driver_get_type())
|
|
|
|
G_DECLARE_FINAL_TYPE (GskGLDriver, gsk_gl_driver, GSK, GL_DRIVER, GObject)
|
|
|
|
struct _GskGLRenderTarget
|
|
{
|
|
guint framebuffer_id;
|
|
guint texture_id;
|
|
int format;
|
|
int width;
|
|
int height;
|
|
};
|
|
|
|
struct _GskGLDriver
|
|
{
|
|
GObject parent_instance;
|
|
|
|
GskGLCommandQueue *shared_command_queue;
|
|
GskGLCommandQueue *command_queue;
|
|
|
|
GskGLGlyphLibrary *glyphs_library;
|
|
GskGLIconLibrary *icons_library;
|
|
GskGLShadowLibrary *shadows_library;
|
|
|
|
GArray *texture_pool;
|
|
GHashTable *textures;
|
|
GHashTable *key_to_texture_id;
|
|
GHashTable *texture_id_to_key;
|
|
|
|
GHashTable *shader_cache;
|
|
|
|
GArray *autorelease_framebuffers;
|
|
GPtrArray *render_targets;
|
|
|
|
#define GSK_GL_NO_UNIFORMS
|
|
#define GSK_GL_ADD_UNIFORM(pos, KEY, name)
|
|
#define GSK_GL_DEFINE_PROGRAM(name, resource, uniforms) \
|
|
GskGLProgram *name ## _no_clip; \
|
|
GskGLProgram *name ## _rect_clip; \
|
|
GskGLProgram *name;
|
|
# include "gskglprograms.defs"
|
|
#undef GSK_GL_NO_UNIFORMS
|
|
#undef GSK_GL_ADD_UNIFORM
|
|
#undef GSK_GL_DEFINE_PROGRAM
|
|
|
|
gint64 current_frame_id;
|
|
|
|
/* Used to reduce number of comparisons */
|
|
guint stamps[UNIFORM_SHARED_LAST];
|
|
|
|
guint debug : 1;
|
|
guint in_frame : 1;
|
|
};
|
|
|
|
GskGLDriver * gsk_gl_driver_for_display (GdkDisplay *display,
|
|
gboolean debug_shaders,
|
|
GError **error);
|
|
GskGLCommandQueue * gsk_gl_driver_create_command_queue (GskGLDriver *self,
|
|
GdkGLContext *context);
|
|
GdkGLContext * gsk_gl_driver_get_context (GskGLDriver *self);
|
|
gboolean gsk_gl_driver_create_render_target (GskGLDriver *self,
|
|
int width,
|
|
int height,
|
|
int format,
|
|
GskGLRenderTarget **render_target);
|
|
guint gsk_gl_driver_release_render_target (GskGLDriver *self,
|
|
GskGLRenderTarget *render_target,
|
|
gboolean release_texture);
|
|
void gsk_gl_driver_begin_frame (GskGLDriver *self,
|
|
GskGLCommandQueue *command_queue);
|
|
void gsk_gl_driver_end_frame (GskGLDriver *self);
|
|
void gsk_gl_driver_after_frame (GskGLDriver *self);
|
|
GdkTexture * gsk_gl_driver_create_gdk_texture (GskGLDriver *self,
|
|
guint texture_id);
|
|
void gsk_gl_driver_cache_texture (GskGLDriver *self,
|
|
const GskTextureKey *key,
|
|
guint texture_id);
|
|
guint gsk_gl_driver_load_texture (GskGLDriver *self,
|
|
GdkTexture *texture,
|
|
gboolean ensure_mipmap);
|
|
GskGLTexture * gsk_gl_driver_create_texture (GskGLDriver *self,
|
|
float width,
|
|
float height,
|
|
int format);
|
|
void gsk_gl_driver_release_texture (GskGLDriver *self,
|
|
GskGLTexture *texture);
|
|
void gsk_gl_driver_release_texture_by_id (GskGLDriver *self,
|
|
guint texture_id);
|
|
GskGLTexture * gsk_gl_driver_mark_texture_permanent (GskGLDriver *self,
|
|
guint texture_id);
|
|
void gsk_gl_driver_add_texture_slices (GskGLDriver *self,
|
|
GdkTexture *texture,
|
|
gboolean ensure_mipmap,
|
|
GskGLTextureSlice **out_slices,
|
|
guint *out_n_slices);
|
|
GskGLProgram * gsk_gl_driver_lookup_shader (GskGLDriver *self,
|
|
GskGLShader *shader,
|
|
GError **error);
|
|
|
|
#ifdef G_ENABLE_DEBUG
|
|
void gsk_gl_driver_save_atlases_to_png (GskGLDriver *self,
|
|
const char *directory);
|
|
#endif
|
|
|
|
static inline GskGLTexture *
|
|
gsk_gl_driver_get_texture_by_id (GskGLDriver *self,
|
|
guint texture_id)
|
|
{
|
|
return g_hash_table_lookup (self->textures, GUINT_TO_POINTER (texture_id));
|
|
}
|
|
|
|
/**
|
|
* gsk_gl_driver_lookup_texture:
|
|
* @self: a `GskGLDriver`
|
|
* @key: the key for the texture
|
|
*
|
|
* Looks up a texture in the texture cache by @key.
|
|
*
|
|
* If the texture could not be found, then zero is returned.
|
|
*
|
|
* Returns: a positive integer if the texture was found; otherwise 0.
|
|
*/
|
|
static inline guint
|
|
gsk_gl_driver_lookup_texture (GskGLDriver *self,
|
|
const GskTextureKey *key)
|
|
{
|
|
gpointer id;
|
|
|
|
if (g_hash_table_lookup_extended (self->key_to_texture_id, key, NULL, &id))
|
|
{
|
|
GskGLTexture *texture = g_hash_table_lookup (self->textures, id);
|
|
|
|
if (texture != NULL)
|
|
texture->last_used_in_frame = self->current_frame_id;
|
|
|
|
return GPOINTER_TO_UINT (id);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static inline void
|
|
gsk_gl_driver_slice_texture (GskGLDriver *self,
|
|
GdkTexture *texture,
|
|
gboolean ensure_mipmap,
|
|
GskGLTextureSlice **out_slices,
|
|
guint *out_n_slices)
|
|
{
|
|
GskGLTexture *t;
|
|
|
|
t = gdk_texture_get_render_data (texture, self);
|
|
|
|
if (t && t->slices &&
|
|
(t->has_mipmap || !ensure_mipmap))
|
|
{
|
|
*out_slices = t->slices;
|
|
*out_n_slices = t->n_slices;
|
|
return;
|
|
}
|
|
|
|
gsk_gl_driver_add_texture_slices (self, texture, ensure_mipmap, out_slices, out_n_slices);
|
|
}
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GSK_GL_DRIVER_PRIVATE_H__ */
|