comparison: src/context.c
src/context.c
- changeset 95
- 622887f7e954
- parent 92
- 78ce93fb46e5
equal
deleted
inserted
replaced
| 94:24bd333be668 | 95:622887f7e954 |
|---|---|
| 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 25 * POSSIBILITY OF SUCH DAMAGE. | 25 * POSSIBILITY OF SUCH DAMAGE. |
| 26 */ | 26 */ |
| 27 | 27 |
| 28 #include "ascension/context.h" | 28 #include "ascension/context.h" |
| 29 #include "ascension/error.h" | |
| 30 #include "ascension/utils.h" | |
| 31 | 29 |
| 32 #include <SDL2/SDL.h> | 30 #include <SDL2/SDL.h> |
| 33 #include <SDL2/SDL_ttf.h> | 31 #include <SDL2/SDL_ttf.h> |
| 34 #include <SDL2/SDL_image.h> | 32 #include <SDL2/SDL_image.h> |
| 35 | 33 |
| 34 #include <GL/gl.h> | |
| 35 | |
| 36 #include <cx/printf.h> | |
| 37 | |
| 36 #include <time.h> | 38 #include <time.h> |
| 37 | 39 |
| 38 AscContext asc_context; | 40 AscContext asc_context; |
| 41 | |
| 42 void asc_error_impl(const char* file, unsigned line, char const* fmt, ...) { | |
| 43 asc_set_flag(asc_context.flags, ASC_FLAG_HAS_ERROR); | |
| 44 | |
| 45 // write to error buffer | |
| 46 va_list args; | |
| 47 va_start(args, fmt); | |
| 48 CxBuffer* buf = &asc_context.error_buffer; | |
| 49 size_t bufpos = buf->pos; | |
| 50 int written = cx_vfprintf(buf, cxBufferWriteFunc, fmt, args); | |
| 51 cxBufferPut(buf, '\n'); | |
| 52 va_end(args); | |
| 53 | |
| 54 // also print to stderr | |
| 55 // avoid double-formatting, get it directly from the buffer | |
| 56 fprintf(stderr, "[ERROR %s %u] %.*s\n", | |
| 57 file, line, written, buf->space+bufpos); | |
| 58 } | |
| 59 | |
| 60 bool asc_has_error(void) { | |
| 61 return asc_test_flag(asc_context.flags, ASC_FLAG_HAS_ERROR); | |
| 62 } | |
| 63 | |
| 64 char const* asc_get_error(void) { | |
| 65 // we zero-terminate the current buffer contents before providing them | |
| 66 cxBufferPut(&asc_context.error_buffer, 0); | |
| 67 --asc_context.error_buffer.pos; | |
| 68 --asc_context.error_buffer.size; | |
| 69 return asc_context.error_buffer.space; | |
| 70 } | |
| 71 | |
| 72 void asc_clear_error(void) { | |
| 73 cxBufferClear(&asc_context.error_buffer); | |
| 74 asc_clear_flag(asc_context.flags, ASC_FLAG_HAS_ERROR); | |
| 75 } | |
| 76 | |
| 77 void asc_error_gl(unsigned code, const char *message) { | |
| 78 const char *glerr; | |
| 79 switch(code) { | |
| 80 case GL_NO_ERROR: | |
| 81 return; | |
| 82 case GL_INVALID_ENUM: | |
| 83 glerr = "invalid enum"; | |
| 84 break; | |
| 85 case GL_INVALID_VALUE: | |
| 86 glerr = "invalid value"; | |
| 87 break; | |
| 88 case GL_INVALID_OPERATION: | |
| 89 glerr = "invalid operation"; | |
| 90 break; | |
| 91 case GL_INVALID_FRAMEBUFFER_OPERATION: | |
| 92 glerr = "invalid framebuffer operation"; | |
| 93 break; | |
| 94 case GL_OUT_OF_MEMORY: | |
| 95 glerr = "out of memory"; | |
| 96 break; | |
| 97 case GL_STACK_UNDERFLOW: | |
| 98 glerr = "stack underflow"; | |
| 99 break; | |
| 100 case GL_STACK_OVERFLOW: | |
| 101 glerr = "stack overflow"; | |
| 102 break; | |
| 103 default: | |
| 104 glerr = "unknown GL error"; | |
| 105 } | |
| 106 asc_error("%s\nGL Error: %s", message, glerr); | |
| 107 } | |
| 108 | |
| 109 int asc_error_catch_all_gl(void) { | |
| 110 GLenum error; | |
| 111 int ret = 0; | |
| 112 while ((error = glGetError()) != GL_NO_ERROR) { | |
| 113 asc_error_gl(error, "Uncaught"); | |
| 114 ret = 1; | |
| 115 } | |
| 116 return ret; | |
| 117 } | |
| 39 | 118 |
| 40 static uint64_t asc_nanos(void) { | 119 static uint64_t asc_nanos(void) { |
| 41 struct timespec ts; | 120 struct timespec ts; |
| 42 clock_gettime(CLOCK_MONOTONIC, &ts); | 121 clock_gettime(CLOCK_MONOTONIC, &ts); |
| 43 return 1000000000ull*(uint64_t)ts.tv_sec + (uint64_t)ts.tv_nsec; | 122 return 1000000000ull*(uint64_t)ts.tv_sec + (uint64_t)ts.tv_nsec; |
