mirror
/
OpenTTD
mirror of https://github.com/OpenTTD/OpenTTD
1
0
Fork 0
Code Issues

Codechange: remove ZeroedMemoryAllocator from OpenGLBackend

pull/13641/head
Rubidium 2025-02-22 14:31:57 +01:00 committed by rubidium42
parent 3e511f2ce7
commit 7121bc9f31
1 changed files with 31 additions and 31 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

62
src/video/opengl.h
View File

@ -25,47 +25,47 @@ const char *FindStringInExtensionList(const char *string, const char *substring)
class OpenGLSprite;
/** Platform-independent back-end class for OpenGL video drivers. */
class OpenGLBackend : public ZeroedMemoryAllocator, SpriteEncoder {
class OpenGLBackend : public SpriteEncoder {
private:
static OpenGLBackend *instance; ///< Singleton instance pointer.
bool persistent_mapping_supported; ///< Persistent pixel buffer mapping supported.
GLsync sync_vid_mapping; ///< Sync object for the persistently mapped video buffer.
GLsync sync_anim_mapping; ///< Sync object for the persistently mapped animation buffer.
bool persistent_mapping_supported = false; ///< Persistent pixel buffer mapping supported.
GLsync sync_vid_mapping{}; ///< Sync object for the persistently mapped video buffer.
GLsync sync_anim_mapping{}; ///< Sync object for the persistently mapped animation buffer.
void *vid_buffer; ///< Pointer to the mapped video buffer.
GLuint vid_pbo; ///< Pixel buffer object storing the memory used for the video driver to draw to.
GLuint vid_texture; ///< Texture handle for the video buffer texture.
GLuint vid_program; ///< Shader program for rendering a RGBA video buffer.
GLuint pal_program; ///< Shader program for rendering a paletted video buffer.
GLuint vao_quad; ///< Vertex array object storing the rendering state for the fullscreen quad.
GLuint vbo_quad; ///< Vertex buffer with a fullscreen quad.
GLuint pal_texture; ///< Palette lookup texture.
void *vid_buffer = nullptr; ///< Pointer to the mapped video buffer.
GLuint vid_pbo = 0; ///< Pixel buffer object storing the memory used for the video driver to draw to.
GLuint vid_texture = 0; ///< Texture handle for the video buffer texture.
GLuint vid_program = 0; ///< Shader program for rendering a RGBA video buffer.
GLuint pal_program = 0; ///< Shader program for rendering a paletted video buffer.
GLuint vao_quad = 0; ///< Vertex array object storing the rendering state for the fullscreen quad.
GLuint vbo_quad = 0; ///< Vertex buffer with a fullscreen quad.
GLuint pal_texture = 0; ///< Palette lookup texture.
void *anim_buffer; ///< Pointer to the mapped animation buffer.
GLuint anim_pbo; ///< Pixel buffer object storing the memory used for the animation buffer.
GLuint anim_texture; ///< Texture handle for the animation buffer texture.
void *anim_buffer = nullptr; ///< Pointer to the mapped animation buffer.
GLuint anim_pbo = 0; ///< Pixel buffer object storing the memory used for the animation buffer.
GLuint anim_texture = 0; ///< Texture handle for the animation buffer texture.
GLuint remap_program; ///< Shader program for blending and rendering a RGBA + remap texture.
GLint remap_sprite_loc; ///< Uniform location for sprite parameters.
GLint remap_screen_loc; ///< Uniform location for screen size.
GLint remap_zoom_loc; ///< Uniform location for sprite zoom.
GLint remap_rgb_loc; ///< Uniform location for RGB mode flag.
GLuint remap_program = 0; ///< Shader program for blending and rendering a RGBA + remap texture.
GLint remap_sprite_loc = 0; ///< Uniform location for sprite parameters.
GLint remap_screen_loc = 0; ///< Uniform location for screen size.
GLint remap_zoom_loc = 0; ///< Uniform location for sprite zoom.
GLint remap_rgb_loc = 0; ///< Uniform location for RGB mode flag.
GLuint sprite_program; ///< Shader program for blending and rendering a sprite to the video buffer.
GLint sprite_sprite_loc; ///< Uniform location for sprite parameters.
GLint sprite_screen_loc; ///< Uniform location for screen size.
GLint sprite_zoom_loc; ///< Uniform location for sprite zoom.
GLint sprite_rgb_loc; ///< Uniform location for RGB mode flag.
GLint sprite_crash_loc; ///< Uniform location for crash remap mode flag.
GLuint sprite_program = 0; ///< Shader program for blending and rendering a sprite to the video buffer.
GLint sprite_sprite_loc = 0; ///< Uniform location for sprite parameters.
GLint sprite_screen_loc = 0; ///< Uniform location for screen size.
GLint sprite_zoom_loc = 0; ///< Uniform location for sprite zoom.
GLint sprite_rgb_loc = 0; ///< Uniform location for RGB mode flag.
GLint sprite_crash_loc = 0; ///< Uniform location for crash remap mode flag.
LRUCache<SpriteID, Sprite> cursor_cache; ///< Cache of encoded cursor sprites.
LRUCache<SpriteID, Sprite> cursor_cache; ///< Cache of encoded cursor sprites.
PaletteID last_sprite_pal = (PaletteID)-1; ///< Last uploaded remap palette.
bool clear_cursor_cache = false; ///< A clear of the cursor cache is pending.
bool clear_cursor_cache = false; ///< A clear of the cursor cache is pending.
Point cursor_pos; ///< Cursor position
bool cursor_in_window; ///< Cursor inside this window
std::vector<CursorSprite> cursor_sprites; ///< Sprites comprising cursor
Point cursor_pos{}; ///< Cursor position
bool cursor_in_window = false; ///< Cursor inside this window
std::vector<CursorSprite> cursor_sprites{}; ///< Sprites comprising cursor
OpenGLBackend();
~OpenGLBackend();