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1 #include <string.h>
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2 #include "vkgl.h"
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3 #include "vku.h"
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4
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5 static struct vkgl_state {
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6 VkClearValue clear;
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7 } st;
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8
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9 void vkgl_clear_color(float r, float g, float b, float a)
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10 {
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11 st.clear.color.float32[0] = r;
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12 st.clear.color.float32[1] = g;
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13 st.clear.color.float32[2] = b;
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14 st.clear.color.float32[3] = a;
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15 }
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16
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17 void vkgl_clear_depth(float z)
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18 {
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19 st.clear.depthStencil.depth = z;
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20 }
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21
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22 void vkgl_clear_stencil(int s)
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23 {
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24 st.clear.depthStencil.stencil = s;
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25 }
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26
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27 void vkgl_clear(unsigned int flags)
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28 {
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29 VkImageSubresourceRange wtf;
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30 VkSubmitInfo si;
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31
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32 memset(&wtf, 0, sizeof wtf);
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33
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34 if(flags & VKGL_COLOR_BUFFER_BIT) {
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35 wtf.aspectMask |= VK_IMAGE_ASPECT_COLOR_BIT;
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36 }
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37 if(flags & VKGL_DEPTH_BUFFER_BIT) {
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38 wtf.aspectMask |= VK_IMAGE_ASPECT_DEPTH_BIT;
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39 }
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40 if(flags & VKGL_STENCIL_BUFFER_BIT) {
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41 wtf.aspectMask |= VK_IMAGE_ASPECT_STENCIL_BIT;
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42 }
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43 wtf.levelCount = 1;
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44 wtf.layerCount = 1;
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45
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46 vku_begin_cmdbuf(vkcmdbuf, VK_COMMAND_BUFFER_USAGE_SIMULTANEOUS_USE_BIT);
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47 if(flags & VKGL_COLOR_BUFFER_BIT) {
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48 vkCmdClearColorImage(vkcmdbuf, swapchain_images[next_swapchain_image],
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49 VK_IMAGE_LAYOUT_GENERAL, &st.clear.color, 1, &wtf);
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50 }
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51 if(flags & (VKGL_DEPTH_BUFFER_BIT | VKGL_STENCIL_BUFFER_BIT)) {
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52 vkCmdClearDepthStencilImage(vkcmdbuf, swapchain_images[next_swapchain_image],
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53 VK_IMAGE_LAYOUT_GENERAL, &st.clear.depthStencil, 1, &wtf);
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54 }
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55 vku_end_cmdbuf(vkcmdbuf);
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56
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57 memset(&si, 0, sizeof si);
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58 si.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
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59 si.commandBufferCount = 1;
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60 si.pCommandBuffers = &vkcmdbuf;
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61
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62 vkQueueSubmit(vkq, 1, &si, 0);
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63 }
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