diff options
| author | 3gg <3gg@shellblade.net> | 2025-12-27 12:03:39 -0800 |
|---|---|---|
| committer | 3gg <3gg@shellblade.net> | 2025-12-27 12:03:39 -0800 |
| commit | 5a079a2d114f96d4847d1ee305d5b7c16eeec50e (patch) | |
| tree | 8926ab44f168acf787d8e19608857b3af0f82758 /contrib/SDL-3.2.8/src/render/SDL_sysrender.h | |
Initial commit
Diffstat (limited to 'contrib/SDL-3.2.8/src/render/SDL_sysrender.h')
| -rw-r--r-- | contrib/SDL-3.2.8/src/render/SDL_sysrender.h | 372 |
1 files changed, 372 insertions, 0 deletions
diff --git a/contrib/SDL-3.2.8/src/render/SDL_sysrender.h b/contrib/SDL-3.2.8/src/render/SDL_sysrender.h new file mode 100644 index 0000000..9d39dfd --- /dev/null +++ b/contrib/SDL-3.2.8/src/render/SDL_sysrender.h | |||
| @@ -0,0 +1,372 @@ | |||
| 1 | /* | ||
| 2 | Simple DirectMedia Layer | ||
| 3 | Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org> | ||
| 4 | |||
| 5 | This software is provided 'as-is', without any express or implied | ||
| 6 | warranty. In no event will the authors be held liable for any damages | ||
| 7 | arising from the use of this software. | ||
| 8 | |||
| 9 | Permission is granted to anyone to use this software for any purpose, | ||
| 10 | including commercial applications, and to alter it and redistribute it | ||
| 11 | freely, subject to the following restrictions: | ||
| 12 | |||
| 13 | 1. The origin of this software must not be misrepresented; you must not | ||
| 14 | claim that you wrote the original software. If you use this software | ||
| 15 | in a product, an acknowledgment in the product documentation would be | ||
| 16 | appreciated but is not required. | ||
| 17 | 2. Altered source versions must be plainly marked as such, and must not be | ||
| 18 | misrepresented as being the original software. | ||
| 19 | 3. This notice may not be removed or altered from any source distribution. | ||
| 20 | */ | ||
| 21 | #include "SDL_internal.h" | ||
| 22 | |||
| 23 | #ifndef SDL_sysrender_h_ | ||
| 24 | #define SDL_sysrender_h_ | ||
| 25 | |||
| 26 | #include "../video/SDL_surface_c.h" | ||
| 27 | |||
| 28 | #include "SDL_yuv_sw_c.h" | ||
| 29 | |||
| 30 | // Set up for C function definitions, even when using C++ | ||
| 31 | #ifdef __cplusplus | ||
| 32 | extern "C" { | ||
| 33 | #endif | ||
| 34 | |||
| 35 | typedef enum SDL_TextureAddressMode | ||
| 36 | { | ||
| 37 | SDL_TEXTURE_ADDRESS_AUTO, | ||
| 38 | SDL_TEXTURE_ADDRESS_CLAMP, | ||
| 39 | SDL_TEXTURE_ADDRESS_WRAP, | ||
| 40 | } SDL_TextureAddressMode; | ||
| 41 | |||
| 42 | /** | ||
| 43 | * A rectangle, with the origin at the upper left (double precision). | ||
| 44 | */ | ||
| 45 | typedef struct SDL_DRect | ||
| 46 | { | ||
| 47 | double x; | ||
| 48 | double y; | ||
| 49 | double w; | ||
| 50 | double h; | ||
| 51 | } SDL_DRect; | ||
| 52 | |||
| 53 | // The SDL 2D rendering system | ||
| 54 | |||
| 55 | typedef struct SDL_RenderDriver SDL_RenderDriver; | ||
| 56 | |||
| 57 | // Rendering view state | ||
| 58 | typedef struct SDL_RenderViewState | ||
| 59 | { | ||
| 60 | int pixel_w; | ||
| 61 | int pixel_h; | ||
| 62 | SDL_Rect viewport; | ||
| 63 | SDL_Rect pixel_viewport; | ||
| 64 | SDL_Rect clip_rect; | ||
| 65 | SDL_Rect pixel_clip_rect; | ||
| 66 | bool clipping_enabled; | ||
| 67 | SDL_FPoint scale; | ||
| 68 | |||
| 69 | // Support for logical output coordinates | ||
| 70 | SDL_RendererLogicalPresentation logical_presentation_mode; | ||
| 71 | int logical_w, logical_h; | ||
| 72 | SDL_FRect logical_src_rect; | ||
| 73 | SDL_FRect logical_dst_rect; | ||
| 74 | SDL_FPoint logical_scale; | ||
| 75 | SDL_FPoint logical_offset; | ||
| 76 | |||
| 77 | SDL_FPoint current_scale; // this is just `scale * logical_scale`, precalculated, since we use it a lot. | ||
| 78 | } SDL_RenderViewState; | ||
| 79 | |||
| 80 | // Define the SDL texture structure | ||
| 81 | struct SDL_Texture | ||
| 82 | { | ||
| 83 | // Public API definition | ||
| 84 | SDL_PixelFormat format; /**< The format of the texture, read-only */ | ||
| 85 | int w; /**< The width of the texture, read-only. */ | ||
| 86 | int h; /**< The height of the texture, read-only. */ | ||
| 87 | |||
| 88 | int refcount; /**< Application reference count, used when freeing texture */ | ||
| 89 | |||
| 90 | // Private API definition | ||
| 91 | SDL_Colorspace colorspace; // The colorspace of the texture | ||
| 92 | float SDR_white_point; // The SDR white point for this content | ||
| 93 | float HDR_headroom; // The HDR headroom needed by this content | ||
| 94 | SDL_TextureAccess access; // The texture access mode | ||
| 95 | SDL_BlendMode blendMode; // The texture blend mode | ||
| 96 | SDL_ScaleMode scaleMode; // The texture scale mode | ||
| 97 | SDL_FColor color; // Texture modulation values | ||
| 98 | SDL_RenderViewState view; // Target texture view state | ||
| 99 | |||
| 100 | SDL_Renderer *renderer; | ||
| 101 | |||
| 102 | // Support for formats not supported directly by the renderer | ||
| 103 | SDL_Texture *native; | ||
| 104 | SDL_SW_YUVTexture *yuv; | ||
| 105 | void *pixels; | ||
| 106 | int pitch; | ||
| 107 | SDL_Rect locked_rect; | ||
| 108 | SDL_Surface *locked_surface; // Locked region exposed as a SDL surface | ||
| 109 | |||
| 110 | Uint32 last_command_generation; // last command queue generation this texture was in. | ||
| 111 | |||
| 112 | SDL_PropertiesID props; | ||
| 113 | |||
| 114 | void *internal; // Driver specific texture representation | ||
| 115 | |||
| 116 | SDL_Texture *prev; | ||
| 117 | SDL_Texture *next; | ||
| 118 | }; | ||
| 119 | |||
| 120 | typedef enum | ||
| 121 | { | ||
| 122 | SDL_RENDERCMD_NO_OP, | ||
| 123 | SDL_RENDERCMD_SETVIEWPORT, | ||
| 124 | SDL_RENDERCMD_SETCLIPRECT, | ||
| 125 | SDL_RENDERCMD_SETDRAWCOLOR, | ||
| 126 | SDL_RENDERCMD_CLEAR, | ||
| 127 | SDL_RENDERCMD_DRAW_POINTS, | ||
| 128 | SDL_RENDERCMD_DRAW_LINES, | ||
| 129 | SDL_RENDERCMD_FILL_RECTS, | ||
| 130 | SDL_RENDERCMD_COPY, | ||
| 131 | SDL_RENDERCMD_COPY_EX, | ||
| 132 | SDL_RENDERCMD_GEOMETRY | ||
| 133 | } SDL_RenderCommandType; | ||
| 134 | |||
| 135 | typedef struct SDL_RenderCommand | ||
| 136 | { | ||
| 137 | SDL_RenderCommandType command; | ||
| 138 | union | ||
| 139 | { | ||
| 140 | struct | ||
| 141 | { | ||
| 142 | size_t first; | ||
| 143 | SDL_Rect rect; | ||
| 144 | } viewport; | ||
| 145 | struct | ||
| 146 | { | ||
| 147 | bool enabled; | ||
| 148 | SDL_Rect rect; | ||
| 149 | } cliprect; | ||
| 150 | struct | ||
| 151 | { | ||
| 152 | size_t first; | ||
| 153 | size_t count; | ||
| 154 | float color_scale; | ||
| 155 | SDL_FColor color; | ||
| 156 | SDL_BlendMode blend; | ||
| 157 | SDL_Texture *texture; | ||
| 158 | SDL_TextureAddressMode texture_address_mode; | ||
| 159 | } draw; | ||
| 160 | struct | ||
| 161 | { | ||
| 162 | size_t first; | ||
| 163 | float color_scale; | ||
| 164 | SDL_FColor color; | ||
| 165 | } color; | ||
| 166 | } data; | ||
| 167 | struct SDL_RenderCommand *next; | ||
| 168 | } SDL_RenderCommand; | ||
| 169 | |||
| 170 | typedef struct SDL_VertexSolid | ||
| 171 | { | ||
| 172 | SDL_FPoint position; | ||
| 173 | SDL_FColor color; | ||
| 174 | } SDL_VertexSolid; | ||
| 175 | |||
| 176 | typedef enum | ||
| 177 | { | ||
| 178 | SDL_RENDERLINEMETHOD_POINTS, | ||
| 179 | SDL_RENDERLINEMETHOD_LINES, | ||
| 180 | SDL_RENDERLINEMETHOD_GEOMETRY, | ||
| 181 | } SDL_RenderLineMethod; | ||
| 182 | |||
| 183 | // Define the SDL renderer structure | ||
| 184 | struct SDL_Renderer | ||
| 185 | { | ||
| 186 | void (*WindowEvent)(SDL_Renderer *renderer, const SDL_WindowEvent *event); | ||
| 187 | bool (*GetOutputSize)(SDL_Renderer *renderer, int *w, int *h); | ||
| 188 | bool (*SupportsBlendMode)(SDL_Renderer *renderer, SDL_BlendMode blendMode); | ||
| 189 | bool (*CreateTexture)(SDL_Renderer *renderer, SDL_Texture *texture, SDL_PropertiesID create_props); | ||
| 190 | bool (*QueueSetViewport)(SDL_Renderer *renderer, SDL_RenderCommand *cmd); | ||
| 191 | bool (*QueueSetDrawColor)(SDL_Renderer *renderer, SDL_RenderCommand *cmd); | ||
| 192 | bool (*QueueDrawPoints)(SDL_Renderer *renderer, SDL_RenderCommand *cmd, const SDL_FPoint *points, | ||
| 193 | int count); | ||
| 194 | bool (*QueueDrawLines)(SDL_Renderer *renderer, SDL_RenderCommand *cmd, const SDL_FPoint *points, | ||
| 195 | int count); | ||
| 196 | bool (*QueueFillRects)(SDL_Renderer *renderer, SDL_RenderCommand *cmd, const SDL_FRect *rects, | ||
| 197 | int count); | ||
| 198 | bool (*QueueCopy)(SDL_Renderer *renderer, SDL_RenderCommand *cmd, SDL_Texture *texture, | ||
| 199 | const SDL_FRect *srcrect, const SDL_FRect *dstrect); | ||
| 200 | bool (*QueueCopyEx)(SDL_Renderer *renderer, SDL_RenderCommand *cmd, SDL_Texture *texture, | ||
| 201 | const SDL_FRect *srcquad, const SDL_FRect *dstrect, | ||
| 202 | const double angle, const SDL_FPoint *center, const SDL_FlipMode flip, float scale_x, float scale_y); | ||
| 203 | bool (*QueueGeometry)(SDL_Renderer *renderer, SDL_RenderCommand *cmd, SDL_Texture *texture, | ||
| 204 | const float *xy, int xy_stride, const SDL_FColor *color, int color_stride, const float *uv, int uv_stride, | ||
| 205 | int num_vertices, const void *indices, int num_indices, int size_indices, | ||
| 206 | float scale_x, float scale_y); | ||
| 207 | |||
| 208 | void (*InvalidateCachedState)(SDL_Renderer *renderer); | ||
| 209 | bool (*RunCommandQueue)(SDL_Renderer *renderer, SDL_RenderCommand *cmd, void *vertices, size_t vertsize); | ||
| 210 | bool (*UpdateTexture)(SDL_Renderer *renderer, SDL_Texture *texture, | ||
| 211 | const SDL_Rect *rect, const void *pixels, | ||
| 212 | int pitch); | ||
| 213 | #ifdef SDL_HAVE_YUV | ||
| 214 | bool (*UpdateTextureYUV)(SDL_Renderer *renderer, SDL_Texture *texture, | ||
| 215 | const SDL_Rect *rect, | ||
| 216 | const Uint8 *Yplane, int Ypitch, | ||
| 217 | const Uint8 *Uplane, int Upitch, | ||
| 218 | const Uint8 *Vplane, int Vpitch); | ||
| 219 | bool (*UpdateTextureNV)(SDL_Renderer *renderer, SDL_Texture *texture, | ||
| 220 | const SDL_Rect *rect, | ||
| 221 | const Uint8 *Yplane, int Ypitch, | ||
| 222 | const Uint8 *UVplane, int UVpitch); | ||
| 223 | #endif | ||
| 224 | bool (*LockTexture)(SDL_Renderer *renderer, SDL_Texture *texture, | ||
| 225 | const SDL_Rect *rect, void **pixels, int *pitch); | ||
| 226 | void (*UnlockTexture)(SDL_Renderer *renderer, SDL_Texture *texture); | ||
| 227 | void (*SetTextureScaleMode)(SDL_Renderer *renderer, SDL_Texture *texture, SDL_ScaleMode scaleMode); | ||
| 228 | bool (*SetRenderTarget)(SDL_Renderer *renderer, SDL_Texture *texture); | ||
| 229 | SDL_Surface *(*RenderReadPixels)(SDL_Renderer *renderer, const SDL_Rect *rect); | ||
| 230 | bool (*RenderPresent)(SDL_Renderer *renderer); | ||
| 231 | void (*DestroyTexture)(SDL_Renderer *renderer, SDL_Texture *texture); | ||
| 232 | |||
| 233 | void (*DestroyRenderer)(SDL_Renderer *renderer); | ||
| 234 | |||
| 235 | bool (*SetVSync)(SDL_Renderer *renderer, int vsync); | ||
| 236 | |||
| 237 | void *(*GetMetalLayer)(SDL_Renderer *renderer); | ||
| 238 | void *(*GetMetalCommandEncoder)(SDL_Renderer *renderer); | ||
| 239 | |||
| 240 | bool (*AddVulkanRenderSemaphores)(SDL_Renderer *renderer, Uint32 wait_stage_mask, Sint64 wait_semaphore, Sint64 signal_semaphore); | ||
| 241 | |||
| 242 | // The current renderer info | ||
| 243 | const char *name; | ||
| 244 | SDL_PixelFormat *texture_formats; | ||
| 245 | int num_texture_formats; | ||
| 246 | bool software; | ||
| 247 | |||
| 248 | // The window associated with the renderer | ||
| 249 | SDL_Window *window; | ||
| 250 | bool hidden; | ||
| 251 | |||
| 252 | // Whether we should simulate vsync | ||
| 253 | bool wanted_vsync; | ||
| 254 | bool simulate_vsync; | ||
| 255 | Uint64 simulate_vsync_interval_ns; | ||
| 256 | Uint64 last_present; | ||
| 257 | |||
| 258 | SDL_RenderViewState *view; | ||
| 259 | SDL_RenderViewState main_view; | ||
| 260 | |||
| 261 | // The window pixel to point coordinate scale | ||
| 262 | SDL_FPoint dpi_scale; | ||
| 263 | |||
| 264 | // The method of drawing lines | ||
| 265 | SDL_RenderLineMethod line_method; | ||
| 266 | |||
| 267 | // The list of textures | ||
| 268 | SDL_Texture *textures; | ||
| 269 | SDL_Texture *target; | ||
| 270 | SDL_Mutex *target_mutex; | ||
| 271 | |||
| 272 | SDL_Colorspace output_colorspace; | ||
| 273 | float SDR_white_point; | ||
| 274 | float HDR_headroom; | ||
| 275 | |||
| 276 | float desired_color_scale; | ||
| 277 | float color_scale; | ||
| 278 | SDL_FColor color; /**< Color for drawing operations values */ | ||
| 279 | SDL_BlendMode blendMode; /**< The drawing blend mode */ | ||
| 280 | SDL_TextureAddressMode texture_address_mode; | ||
| 281 | |||
| 282 | SDL_RenderCommand *render_commands; | ||
| 283 | SDL_RenderCommand *render_commands_tail; | ||
| 284 | SDL_RenderCommand *render_commands_pool; | ||
| 285 | Uint32 render_command_generation; | ||
| 286 | SDL_FColor last_queued_color; | ||
| 287 | float last_queued_color_scale; | ||
| 288 | SDL_Rect last_queued_viewport; | ||
| 289 | SDL_Rect last_queued_cliprect; | ||
| 290 | bool last_queued_cliprect_enabled; | ||
| 291 | bool color_queued; | ||
| 292 | bool viewport_queued; | ||
| 293 | bool cliprect_queued; | ||
| 294 | |||
| 295 | void *vertex_data; | ||
| 296 | size_t vertex_data_used; | ||
| 297 | size_t vertex_data_allocation; | ||
| 298 | |||
| 299 | // Shaped window support | ||
| 300 | bool transparent_window; | ||
| 301 | SDL_Surface *shape_surface; | ||
| 302 | SDL_Texture *shape_texture; | ||
| 303 | |||
| 304 | SDL_PropertiesID props; | ||
| 305 | |||
| 306 | SDL_Texture *debug_char_texture_atlas; | ||
| 307 | |||
| 308 | bool destroyed; // already destroyed by SDL_DestroyWindow; just free this struct in SDL_DestroyRenderer. | ||
| 309 | |||
| 310 | void *internal; | ||
| 311 | |||
| 312 | SDL_Renderer *next; | ||
| 313 | }; | ||
| 314 | |||
| 315 | // Define the SDL render driver structure | ||
| 316 | struct SDL_RenderDriver | ||
| 317 | { | ||
| 318 | bool (*CreateRenderer)(SDL_Renderer *renderer, SDL_Window *window, SDL_PropertiesID props); | ||
| 319 | |||
| 320 | const char *name; | ||
| 321 | }; | ||
| 322 | |||
| 323 | // Not all of these are available in a given build. Use #ifdefs, etc. | ||
| 324 | extern SDL_RenderDriver D3D_RenderDriver; | ||
| 325 | extern SDL_RenderDriver D3D11_RenderDriver; | ||
| 326 | extern SDL_RenderDriver D3D12_RenderDriver; | ||
| 327 | extern SDL_RenderDriver GL_RenderDriver; | ||
| 328 | extern SDL_RenderDriver GLES2_RenderDriver; | ||
| 329 | extern SDL_RenderDriver METAL_RenderDriver; | ||
| 330 | extern SDL_RenderDriver VULKAN_RenderDriver; | ||
| 331 | extern SDL_RenderDriver PS2_RenderDriver; | ||
| 332 | extern SDL_RenderDriver PSP_RenderDriver; | ||
| 333 | extern SDL_RenderDriver SW_RenderDriver; | ||
| 334 | extern SDL_RenderDriver VITA_GXM_RenderDriver; | ||
| 335 | extern SDL_RenderDriver GPU_RenderDriver; | ||
| 336 | |||
| 337 | // Clean up any renderers at shutdown | ||
| 338 | extern void SDL_QuitRender(void); | ||
| 339 | |||
| 340 | // Add a supported texture format to a renderer | ||
| 341 | extern bool SDL_AddSupportedTextureFormat(SDL_Renderer *renderer, SDL_PixelFormat format); | ||
| 342 | |||
| 343 | // Setup colorspace conversion | ||
| 344 | extern void SDL_SetupRendererColorspace(SDL_Renderer *renderer, SDL_PropertiesID props); | ||
| 345 | |||
| 346 | // Colorspace conversion functions | ||
| 347 | extern bool SDL_RenderingLinearSpace(SDL_Renderer *renderer); | ||
| 348 | extern void SDL_ConvertToLinear(SDL_FColor *color); | ||
| 349 | extern void SDL_ConvertFromLinear(SDL_FColor *color); | ||
| 350 | |||
| 351 | // Blend mode functions | ||
| 352 | extern SDL_BlendFactor SDL_GetBlendModeSrcColorFactor(SDL_BlendMode blendMode); | ||
| 353 | extern SDL_BlendFactor SDL_GetBlendModeDstColorFactor(SDL_BlendMode blendMode); | ||
| 354 | extern SDL_BlendOperation SDL_GetBlendModeColorOperation(SDL_BlendMode blendMode); | ||
| 355 | extern SDL_BlendFactor SDL_GetBlendModeSrcAlphaFactor(SDL_BlendMode blendMode); | ||
| 356 | extern SDL_BlendFactor SDL_GetBlendModeDstAlphaFactor(SDL_BlendMode blendMode); | ||
| 357 | extern SDL_BlendOperation SDL_GetBlendModeAlphaOperation(SDL_BlendMode blendMode); | ||
| 358 | |||
| 359 | /* drivers call this during their Queue*() methods to make space in a array that are used | ||
| 360 | for a vertex buffer during RunCommandQueue(). Pointers returned here are only valid until | ||
| 361 | the next call, because it might be in an array that gets realloc()'d. */ | ||
| 362 | extern void *SDL_AllocateRenderVertices(SDL_Renderer *renderer, size_t numbytes, size_t alignment, size_t *offset); | ||
| 363 | |||
| 364 | // Let the video subsystem destroy a renderer without making its pointer invalid. | ||
| 365 | extern void SDL_DestroyRendererWithoutFreeing(SDL_Renderer *renderer); | ||
| 366 | |||
| 367 | // Ends C function definitions when using C++ | ||
| 368 | #ifdef __cplusplus | ||
| 369 | } | ||
| 370 | #endif | ||
| 371 | |||
| 372 | #endif // SDL_sysrender_h_ | ||
