1 #include <string.h>

2 #include "vkgl.h"

3 #include "vku.h"

4

5 static struct vkgl_state {

6 VkClearValue clear;

7 } st;

8

9 void vkgl_clear_color(float r, float g, float b, float a)

10 {

11 st.clear.color.float32[0] = r;

12 st.clear.color.float32[1] = g;

13 st.clear.color.float32[2] = b;

14 st.clear.color.float32[3] = a;

15 }

16

17 void vkgl_clear_depth(float z)

18 {

19 st.clear.depthStencil.depth = z;

20 }

21

22 void vkgl_clear_stencil(int s)

23 {

24 st.clear.depthStencil.stencil = s;

25 }

26

27 void vkgl_clear(unsigned int flags)

28 {

29 VkImageSubresourceRange wtf;

30 VkSubmitInfo si;

31

32 memset(&wtf, 0, sizeof wtf);

33

34 if(flags & VKGL_COLOR_BUFFER_BIT) {

35 wtf.aspectMask |= VK_IMAGE_ASPECT_COLOR_BIT;

36 }

37 if(flags & VKGL_DEPTH_BUFFER_BIT) {

38 wtf.aspectMask |= VK_IMAGE_ASPECT_DEPTH_BIT;

39 }

40 if(flags & VKGL_STENCIL_BUFFER_BIT) {

41 wtf.aspectMask |= VK_IMAGE_ASPECT_STENCIL_BIT;

42 }

43 wtf.levelCount = 1;

44 wtf.layerCount = 1;

45

46 vku_begin_cmdbuf(vkcmdbuf, VK_COMMAND_BUFFER_USAGE_SIMULTANEOUS_USE_BIT);

47 if(flags & VKGL_COLOR_BUFFER_BIT) {

48 vkCmdClearColorImage(vkcmdbuf, swapchain_images[next_swapchain_image],

49 VK_IMAGE_LAYOUT_GENERAL, &st.clear.color, 1, &wtf);

50 }

51 if(flags & (VKGL_DEPTH_BUFFER_BIT | VKGL_STENCIL_BUFFER_BIT)) {

52 vkCmdClearDepthStencilImage(vkcmdbuf, swapchain_images[next_swapchain_image],

53 VK_IMAGE_LAYOUT_GENERAL, &st.clear.depthStencil, 1, &wtf);

54 }

55 vku_end_cmdbuf(vkcmdbuf);

56

57 memset(&si, 0, sizeof si);

58 si.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;

59 si.commandBufferCount = 1;

60 si.pCommandBuffers = &vkcmdbuf;

61

62 vkQueueSubmit(vkq, 1, &si, 0);

63 }