diff options
Diffstat (limited to 'base/state.c')
| -rw-r--r-- | base/state.c | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/base/state.c b/base/state.c deleted file mode 100644 index 1e9d95b..0000000 --- a/base/state.c +++ /dev/null @@ -1,135 +0,0 @@ - -#define BUFFER_WIDTH 256 // render buffer -#define BUFFER_HEIGHT 240 // render buffer -#define FPS 60.1 -#ifdef _WIN32 - #define SLEEP_MARGIN_NS 330000 // 0.33ms (Windows timing functionality is utter garbage) -#else - #define SLEEP_MARGIN_NS 100000 // 0.1ms -#endif - -#define ONE_SECOND_NS 1000000000 -#define FRAMETIME (ONE_SECOND_NS / FPS) - -#define SCREEN_WIDTH 256 // screen size -#define SCREEN_HEIGHT 240 // screen size - -uint32_t buffer[BUFFER_WIDTH * BUFFER_HEIGHT] __attribute__((section(".bss"), aligned(4096))); -uint32_t display_buffer[SCREEN_WIDTH * SCREEN_HEIGHT] __attribute__((section(".bss"), aligned(4096))); - -#ifdef PROFILER -#define MAX_PROFILING_ENTRIES (64) - -struct function_cycles { - const char *name; - uint64_t cycles; - uint32_t count; -}; - -struct debug_state { - struct function_cycles timings[MAX_PROFILING_ENTRIES]; -}; -#endif - -struct state { - // Pointers (8-byte aligned) - uint32_t *display_buffer; - struct { int32_t x, y, w, h; } viewport; - int32_t mouse_dx; - int32_t mouse_dy; - int32_t filter_override; // Manual override: -1 = automatic, 0 = off, 1 = on - float filter_frequency; // Frequency in Hz for squarewave toggle - - float contrast; - float saturation; - float brightness; - float tone_data[4]; - - // OpenGL Objects - GLuint shader_program; - GLuint texture; - GLuint vao; - GLuint vbo; - GLuint ebo; - - // Shader Uniforms - GLuint uniform_resolution; - GLuint uniform_src_image_size; - GLuint uniform_brightness; - GLuint uniform_tone; - GLuint uniform_crt_emulation; - GLuint uniform_sampler_location; - GLuint uniform_tex_bounds; - - // Rendering & Dynamic Resolution - uint32_t screen_width; // for the debugger - uint32_t screen_height; // for the debugger - uint32_t render_width; // The actual remake resolution (e.g., 360) - uint32_t render_height; // The actual remake resolution (e.g., 270) - uint32_t render_x; // X position inside BUFFER_WIDTH (to track centering) - uint32_t render_y; // Y position inside BUFFER_HEIGHT (to track centering) - uint32_t frame_number; - size_t total_allocated; - bool freewheeling; - bool toggle_crt_emulation; - bool fullscreen; -#ifdef PROFILER - bool overlay; - struct debug_state debug; -#endif -}; - -struct state state; - -static struct remake_callbacks *current_part = 0; -static void render_callback(); -static void audio_callback(int16_t *audio_buffer, size_t frames); -static void init_callback(); -static void shutdown_callback(); - -#ifndef PROFILER -#define PROFILE_NAMED(name) -#define PROFILE_FUNCTION() - -#else - -struct profiling_context { - uint32_t func_id; -}; - -__attribute__((section(".bss"))) -uint8_t debug_line_buffer[MAX_PROFILING_ENTRIES * 256]; // NOTE(peter): for storing all performance strings in an array to print to the debug-output - -__attribute__((always_inline, hot)) -static inline uint64_t read_tsc() { - unsigned int aux; - uint64_t result = __rdtscp(&aux); - return result; -} - -__attribute__((always_inline, hot)) -static inline void end_profiling(struct profiling_context *ctx) __attribute__((unused)); -__attribute__((always_inline, hot)) -static inline void end_profiling(struct profiling_context *ctx) { - state.debug.timings[ctx->func_id].cycles += read_tsc(); - state.debug.timings[ctx->func_id].count++; -} - -#define PROFILE_NAMED(name) \ - uint32_t func_id = __COUNTER__; \ - if((state).debug.timings[func_id].count == 0) \ - (state).debug.timings[func_id] = (struct function_cycles){(name), 0, 0}; \ - (state).debug.timings[func_id].cycles -= read_tsc(); \ - struct profiling_context ctx __attribute__((cleanup(end_profiling))) = { func_id }; - -#define PROFILE_FUNCTION() \ - uint32_t func_id = __COUNTER__; \ - if((state).debug.timings[func_id].count == 0) \ - (state).debug.timings[func_id] = (struct function_cycles){__func__, 0, 0}; \ - (state).debug.timings[func_id].cycles -= read_tsc(); \ - struct profiling_context ctx __attribute__((cleanup(end_profiling))) = { func_id }; -#endif - - - - |