1 #include <stdio.h>

2 #include <stdlib.h>

3 #include <string.h>

4 #include <errno.h>

5 #include "vksdr.h"

6 #include "vku.h"

7

8 VkShaderModule vku_load_shader(const char *fname)

9 {

10 int size;

11 VkShaderModuleCreateInfo inf;

12 VkShaderModule sdr;

13 FILE *fp;

14 void *buf = 0;

15

16 if(!(fp = fopen(fname, "rb"))) {

17 fprintf(stderr, "vku_load_shader: failed to load %s: %s\n", fname, strerror(errno));

18 return 0;

19 }

20 fseek(fp, 0, SEEK_END);

21 size = ftell(fp);

22 rewind(fp);

23

24 if(!(buf = malloc(size + 1))) {

25 fprintf(stderr, "vku_load_shader: failed to allocate buffer\n");

26 goto err;

27 }

28 if(fread(buf, 1, size, fp) < size) {

29 fprintf(stderr, "vku_load_shader: unexpected end of file while reading: %s\n", fname);

30 goto err;

31 }

32

33 memset(&inf, 0, sizeof inf);

34 inf.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO;

35 inf.codeSize = size;

36 inf.pCode = buf;

37

38 if(vkCreateShaderModule(vkdev, &inf, 0, &sdr) != 0) {

39 fprintf(stderr, "vku_load_shader: failed to create shader: %s\n", fname);

40 goto err;

41 }

42 return sdr;

43

44 err:

45 fclose(fp);

46 free(buf);

47 return 0;

48 }

49

50 void vku_destroy_shader(VkShaderModule sdr)

51 {

52 vkDestroyShaderModule(vkdev, sdr, 0);

53 }