forked from AuroraMiddleware/gtk
82c02574f1
Allow to specify the filtering to use for the slices, and allow forcing the number of slices. This will be used in the next commit.
260 lines
10 KiB
C
260 lines
10 KiB
C
/* gskgldriverprivate.h
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*
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* Copyright 2020 Christian Hergert <chergert@redhat.com>
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*
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* This file is free software; you can redistribute it and/or modify it under
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* the terms of the GNU Lesser General Public License as published by the Free
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* Software Foundation; either version 2.1 of the License, or (at your option)
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* any later version.
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*
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* This file is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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* License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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*/
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#ifndef __GSK_GL_DRIVER_PRIVATE_H__
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#define __GSK_GL_DRIVER_PRIVATE_H__
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#include <gdk/gdkgltextureprivate.h>
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#include "gskgltypesprivate.h"
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#include "gskgltextureprivate.h"
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G_BEGIN_DECLS
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enum {
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UNIFORM_SHARED_ALPHA,
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UNIFORM_SHARED_SOURCE,
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UNIFORM_SHARED_CLIP_RECT,
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UNIFORM_SHARED_VIEWPORT,
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UNIFORM_SHARED_PROJECTION,
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UNIFORM_SHARED_MODELVIEW,
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UNIFORM_SHARED_LAST
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};
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enum {
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UNIFORM_CUSTOM_SIZE = UNIFORM_SHARED_LAST,
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UNIFORM_CUSTOM_TEXTURE1,
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UNIFORM_CUSTOM_TEXTURE2,
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UNIFORM_CUSTOM_TEXTURE3,
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UNIFORM_CUSTOM_TEXTURE4,
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UNIFORM_CUSTOM_ARG0,
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UNIFORM_CUSTOM_ARG1,
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UNIFORM_CUSTOM_ARG2,
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UNIFORM_CUSTOM_ARG3,
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UNIFORM_CUSTOM_ARG4,
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UNIFORM_CUSTOM_ARG5,
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UNIFORM_CUSTOM_ARG6,
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UNIFORM_CUSTOM_ARG7,
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UNIFORM_CUSTOM_LAST
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};
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typedef struct {
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gconstpointer pointer;
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float scale_x;
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float scale_y;
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int filter;
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int pointer_is_child;
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graphene_rect_t parent_rect; /* Valid when pointer_is_child */
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} GskTextureKey;
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#define GSK_GL_NO_UNIFORMS CONCAT_EXPANDED(UNIFORM_INVALID_,__COUNTER__)
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#define CONCAT_EXPANDED(a,b) CONCAT_EXPANDED2(a,b)
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#define CONCAT_EXPANDED2(a,b) a##b
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#define GSK_GL_ADD_UNIFORM(pos, KEY, name) UNIFORM_##KEY = UNIFORM_SHARED_LAST + pos,
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#define GSK_GL_DEFINE_PROGRAM(name, resource, uniforms) enum { uniforms };
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# include "gskglprograms.defs"
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#undef GSK_GL_DEFINE_PROGRAM
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#undef GSK_GL_ADD_UNIFORM
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#undef GSK_GL_NO_UNIFORMS
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#undef CONCAT_EXPANDED
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#undef CONCAT_EXPANDED2
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#define GSK_TYPE_GL_DRIVER (gsk_gl_driver_get_type())
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G_DECLARE_FINAL_TYPE (GskGLDriver, gsk_gl_driver, GSK, GL_DRIVER, GObject)
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struct _GskGLRenderTarget
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{
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guint framebuffer_id;
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guint texture_id;
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int min_filter;
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int mag_filter;
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int format;
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int width;
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int height;
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};
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struct _GskGLDriver
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{
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GObject parent_instance;
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GskGLCommandQueue *shared_command_queue;
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GskGLCommandQueue *command_queue;
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GskGLGlyphLibrary *glyphs_library;
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GskGLIconLibrary *icons_library;
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GskGLShadowLibrary *shadows_library;
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GArray *texture_pool;
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GHashTable *textures;
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GHashTable *key_to_texture_id;
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GHashTable *texture_id_to_key;
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GHashTable *shader_cache;
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GArray *autorelease_framebuffers;
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GPtrArray *render_targets;
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#define GSK_GL_NO_UNIFORMS
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#define GSK_GL_ADD_UNIFORM(pos, KEY, name)
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#define GSK_GL_DEFINE_PROGRAM(name, resource, uniforms) \
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GskGLProgram *name ## _no_clip; \
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GskGLProgram *name ## _rect_clip; \
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GskGLProgram *name;
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# include "gskglprograms.defs"
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#undef GSK_GL_NO_UNIFORMS
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#undef GSK_GL_ADD_UNIFORM
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#undef GSK_GL_DEFINE_PROGRAM
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gint64 current_frame_id;
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/* Used to reduce number of comparisons */
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guint stamps[UNIFORM_SHARED_LAST];
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guint debug : 1;
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guint in_frame : 1;
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};
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GskGLDriver * gsk_gl_driver_for_display (GdkDisplay *display,
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gboolean debug_shaders,
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GError **error);
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GskGLCommandQueue * gsk_gl_driver_create_command_queue (GskGLDriver *self,
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GdkGLContext *context);
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GdkGLContext * gsk_gl_driver_get_context (GskGLDriver *self);
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gboolean gsk_gl_driver_create_render_target (GskGLDriver *self,
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int width,
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int height,
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int format,
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int min_filter,
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int mag_filter,
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GskGLRenderTarget **render_target);
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guint gsk_gl_driver_release_render_target (GskGLDriver *self,
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GskGLRenderTarget *render_target,
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gboolean release_texture);
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void gsk_gl_driver_begin_frame (GskGLDriver *self,
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GskGLCommandQueue *command_queue);
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void gsk_gl_driver_end_frame (GskGLDriver *self);
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void gsk_gl_driver_after_frame (GskGLDriver *self);
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GdkTexture * gsk_gl_driver_create_gdk_texture (GskGLDriver *self,
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guint texture_id);
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void gsk_gl_driver_cache_texture (GskGLDriver *self,
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const GskTextureKey *key,
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guint texture_id);
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guint gsk_gl_driver_load_texture (GskGLDriver *self,
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GdkTexture *texture,
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int min_filter,
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int mag_filter);
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GskGLTexture * gsk_gl_driver_create_texture (GskGLDriver *self,
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float width,
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float height,
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int format,
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int min_filter,
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int mag_filter);
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void gsk_gl_driver_release_texture (GskGLDriver *self,
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GskGLTexture *texture);
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void gsk_gl_driver_release_texture_by_id (GskGLDriver *self,
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guint texture_id);
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GskGLTexture * gsk_gl_driver_mark_texture_permanent (GskGLDriver *self,
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guint texture_id);
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void gsk_gl_driver_add_texture_slices (GskGLDriver *self,
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GdkTexture *texture,
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int min_filter,
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int mag_filter,
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guint min_cols,
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guint min_rows,
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GskGLTextureSlice **out_slices,
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guint *out_n_slices);
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GskGLProgram * gsk_gl_driver_lookup_shader (GskGLDriver *self,
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GskGLShader *shader,
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GError **error);
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#ifdef G_ENABLE_DEBUG
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void gsk_gl_driver_save_atlases_to_png (GskGLDriver *self,
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const char *directory);
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#endif
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static inline GskGLTexture *
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gsk_gl_driver_get_texture_by_id (GskGLDriver *self,
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guint texture_id)
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{
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return g_hash_table_lookup (self->textures, GUINT_TO_POINTER (texture_id));
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}
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/**
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* gsk_gl_driver_lookup_texture:
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* @self: a `GskGLDriver`
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* @key: the key for the texture
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*
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* Looks up a texture in the texture cache by @key.
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*
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* If the texture could not be found, then zero is returned.
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*
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* Returns: a positive integer if the texture was found; otherwise 0.
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*/
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static inline guint
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gsk_gl_driver_lookup_texture (GskGLDriver *self,
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const GskTextureKey *key)
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{
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gpointer id;
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if (g_hash_table_lookup_extended (self->key_to_texture_id, key, NULL, &id))
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{
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GskGLTexture *texture = g_hash_table_lookup (self->textures, id);
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if (texture != NULL)
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texture->last_used_in_frame = self->current_frame_id;
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return GPOINTER_TO_UINT (id);
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}
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return 0;
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}
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static inline void
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gsk_gl_driver_slice_texture (GskGLDriver *self,
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GdkTexture *texture,
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int min_filter,
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int mag_filter,
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guint min_cols,
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guint min_rows,
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GskGLTextureSlice **out_slices,
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guint *out_n_slices)
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{
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GskGLTexture *t;
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if ((t = gdk_texture_get_render_data (texture, self)))
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{
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if (min_cols == 0 && min_rows == 0)
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{
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*out_slices = t->slices;
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*out_n_slices = t->n_slices;
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return;
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}
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}
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gsk_gl_driver_add_texture_slices (self, texture, min_filter, mag_filter, min_cols, min_rows, out_slices, out_n_slices);
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}
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G_END_DECLS
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#endif /* __GSK_GL_DRIVER_PRIVATE_H__ */
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