forked from AuroraMiddleware/gtk
06d5c8e72d
Instead of using uniforms for color used in multiple programs, pass it as vertex attributes. This will let us batch more draw calls, since we don't have to change uniforms so often. In particular, for syntax-highlighted text.
242 lines
9.2 KiB
C
242 lines
9.2 KiB
C
/* gskngldriverprivate.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_NGL_DRIVER_PRIVATE_H__
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#define __GSK_NGL_DRIVER_PRIVATE_H__
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#include <gdk/gdkgltextureprivate.h>
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#include "gskngltypesprivate.h"
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#include "gskngltexturepoolprivate.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_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_NGL_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_NGL_ADD_UNIFORM(pos, KEY, name) UNIFORM_##KEY = UNIFORM_SHARED_LAST + pos,
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#define GSK_NGL_DEFINE_PROGRAM(name, resource, uniforms) enum { uniforms };
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# include "gsknglprograms.defs"
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#undef GSK_NGL_DEFINE_PROGRAM
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#undef GSK_NGL_ADD_UNIFORM
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#undef GSK_NGL_NO_UNIFORMS
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#undef CONCAT_EXPANDED
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#undef CONCAT_EXPANDED2
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#define GSK_TYPE_NGL_DRIVER (gsk_ngl_driver_get_type())
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G_DECLARE_FINAL_TYPE (GskNglDriver, gsk_ngl_driver, GSK, NGL_DRIVER, GObject)
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struct _GskNglRenderTarget
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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 width;
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int height;
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};
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struct _GskNglDriver
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{
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GObject parent_instance;
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GskNglCommandQueue *shared_command_queue;
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GskNglCommandQueue *command_queue;
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GskNglTexturePool texture_pool;
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GskNglGlyphLibrary *glyphs;
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GskNglIconLibrary *icons;
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GskNglShadowLibrary *shadows;
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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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GPtrArray *atlases;
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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_NGL_NO_UNIFORMS
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#define GSK_NGL_ADD_UNIFORM(pos, KEY, name)
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#define GSK_NGL_DEFINE_PROGRAM(name, resource, uniforms) \
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GskNglProgram *name ## _no_clip; \
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GskNglProgram *name ## _rect_clip; \
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GskNglProgram *name;
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# include "gsknglprograms.defs"
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#undef GSK_NGL_NO_UNIFORMS
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#undef GSK_NGL_ADD_UNIFORM
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#undef GSK_NGL_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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GskNglDriver *gsk_ngl_driver_from_shared_context (GdkGLContext *context,
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gboolean debug_shaders,
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GError **error);
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GskNglCommandQueue *gsk_ngl_driver_create_command_queue (GskNglDriver *self,
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GdkGLContext *context);
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GdkGLContext *gsk_ngl_driver_get_context (GskNglDriver *self);
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gboolean gsk_ngl_driver_create_render_target (GskNglDriver *self,
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int width,
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int height,
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int min_filter,
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int mag_filter,
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GskNglRenderTarget **render_target);
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guint gsk_ngl_driver_release_render_target (GskNglDriver *self,
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GskNglRenderTarget *render_target,
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gboolean release_texture);
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void gsk_ngl_driver_begin_frame (GskNglDriver *self,
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GskNglCommandQueue *command_queue);
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void gsk_ngl_driver_end_frame (GskNglDriver *self);
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void gsk_ngl_driver_after_frame (GskNglDriver *self);
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GdkTexture *gsk_ngl_driver_create_gdk_texture (GskNglDriver *self,
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guint texture_id);
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void gsk_ngl_driver_cache_texture (GskNglDriver *self,
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const GskTextureKey *key,
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guint texture_id);
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guint gsk_ngl_driver_load_texture (GskNglDriver *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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GskNglTexture *gsk_ngl_driver_create_texture (GskNglDriver *self,
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float width,
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float height,
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int min_filter,
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int mag_filter);
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void gsk_ngl_driver_release_texture (GskNglDriver *self,
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GskNglTexture *texture);
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void gsk_ngl_driver_release_texture_by_id (GskNglDriver *self,
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guint texture_id);
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GskNglTexture *gsk_ngl_driver_mark_texture_permanent (GskNglDriver *self,
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guint texture_id);
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void gsk_ngl_driver_add_texture_slices (GskNglDriver *self,
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GdkTexture *texture,
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GskNglTextureSlice **out_slices,
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guint *out_n_slices);
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GskNglProgram *gsk_ngl_driver_lookup_shader (GskNglDriver *self,
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GskGLShader *shader,
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GError **error);
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GskNglTextureAtlas *gsk_ngl_driver_create_atlas (GskNglDriver *self);
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#ifdef G_ENABLE_DEBUG
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void gsk_ngl_driver_save_atlases_to_png (GskNglDriver *self,
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const char *directory);
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#endif
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static inline GskNglTexture *
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gsk_ngl_driver_get_texture_by_id (GskNglDriver *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_ngl_driver_lookup_texture:
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* @self: a #GskNglDriver
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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_ngl_driver_lookup_texture (GskNglDriver *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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GskNglTexture *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_ngl_driver_slice_texture (GskNglDriver *self,
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GdkTexture *texture,
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GskNglTextureSlice **out_slices,
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guint *out_n_slices)
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{
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GskNglTexture *t;
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if ((t = gdk_texture_get_render_data (texture, self)))
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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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gsk_ngl_driver_add_texture_slices (self, texture, out_slices, out_n_slices);
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}
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G_END_DECLS
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#endif /* __GSK_NGL_DRIVER_PRIVATE_H__ */
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