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fuchsia / fuchsia / 85cd568e67d8113f3206af9af9060764abef7f35 / . / lib / magma / third_party / vkcube / cube.cc
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/*
* Copyright (c) 2015-2016 The Khronos Group Inc.
* Copyright (c) 2015-2016 Valve Corporation
* Copyright (c) 2015-2016 LunarG, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Author: Chia-I Wu <olv@lunarg.com>
* Author: Courtney Goeltzenleuchter <courtney@LunarG.com>
* Author: Ian Elliott <ian@LunarG.com>
* Author: Jon Ashburn <jon@lunarg.com>
* Author: Gwan-gyeong Mun <elongbug@gmail.com>
* Author: Tony Barbour <tony@LunarG.com>
*/
extern "C" {
#include "vkcube.h"
}
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
#include <assert.h>
#include <signal.h>
#if defined(VK_USE_PLATFORM_XLIB_KHR) || defined(VK_USE_PLATFORM_XCB_KHR)
#include <X11/Xutil.h>
#endif
#if defined(VK_USE_PLATFORM_MAGMA_KHR)
#include <chrono>
#endif
#if defined(MAGMA_USE_SHIM)
#include "vulkan_shim.h"
#else
#include <vulkan/vulkan.h>
#endif
#include "platform_trace.h"
#ifdef MAGMA_ENABLE_TRACING
#include <lib/async-loop/cpp/loop.h>
#include <trace-provider/provider.h>
#endif
//#include <vulkan/vk_sdk_platform.h>
#include "linmath.h"
#define DEMO_TEXTURE_COUNT 1
#define APP_SHORT_NAME "cube"
#define APP_LONG_NAME "The Vulkan Cube Demo Program"
// Allow a maximum of two outstanding presentation operations.
#define FRAME_LAG 2
#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
#if defined(NDEBUG) && defined(__GNUC__)
#define U_ASSERT_ONLY __attribute__((unused))
#else
#define U_ASSERT_ONLY
#endif
#if defined(__GNUC__)
#define UNUSED __attribute__((unused))
#else
#define UNUSED
#endif
#define ERR_EXIT(err_msg, err_class) \
do { \
printf(err_msg); \
fflush(stdout); \
exit(1); \
} while (0)
#define GET_INSTANCE_PROC_ADDR(inst, entrypoint) \
{ \
demo->fp##entrypoint = \
(PFN_vk##entrypoint)vkGetInstanceProcAddr(inst, "vk" #entrypoint); \
if (demo->fp##entrypoint == NULL) { \
ERR_EXIT("vkGetInstanceProcAddr failed to find vk" #entrypoint, \
"vkGetInstanceProcAddr Failure"); \
} \
}
static PFN_vkGetDeviceProcAddr g_gdpa = NULL;
#define GET_DEVICE_PROC_ADDR(dev, entrypoint) \
{ \
if (!g_gdpa) \
g_gdpa = (PFN_vkGetDeviceProcAddr)vkGetInstanceProcAddr( \
demo->inst, "vkGetDeviceProcAddr"); \
demo->fp##entrypoint = \
(PFN_vk##entrypoint)g_gdpa(dev, "vk" #entrypoint); \
if (demo->fp##entrypoint == NULL) { \
ERR_EXIT("vkGetDeviceProcAddr failed to find vk" #entrypoint, \
"vkGetDeviceProcAddr Failure"); \
} \
}
/*
* structure to track all objects related to a texture.
*/
struct texture_object {
VkSampler sampler;
VkImage image;
VkImageLayout imageLayout;
VkMemoryAllocateInfo mem_alloc;
VkDeviceMemory mem;
VkImageView view;
uint32_t tex_width, tex_height;
};
static const char* tex_files[] = {"lunarg.ppm"};
static int validation_error = 0;
struct vkcube_vs_uniform {
// Must start with MVP
float mvp[4][4];
float position[12 * 3][4];
float color[12 * 3][4];
};
struct vktexcube_vs_uniform {
// Must start with MVP
float mvp[4][4];
float position[12 * 3][4];
float attr[12 * 3][4];
};
//--------------------------------------------------------------------------------------
// Mesh and VertexFormat Data
//--------------------------------------------------------------------------------------
// clang-format off
static const float g_vertex_buffer_data[] = {
-1.0f,-1.0f,-1.0f, // -X side
-1.0f,-1.0f, 1.0f,
-1.0f, 1.0f, 1.0f,
-1.0f, 1.0f, 1.0f,
-1.0f, 1.0f,-1.0f,
-1.0f,-1.0f,-1.0f,
-1.0f,-1.0f,-1.0f, // -Z side
1.0f, 1.0f,-1.0f,
1.0f,-1.0f,-1.0f,
-1.0f,-1.0f,-1.0f,
-1.0f, 1.0f,-1.0f,
1.0f, 1.0f,-1.0f,
-1.0f,-1.0f,-1.0f, // -Y side
1.0f,-1.0f,-1.0f,
1.0f,-1.0f, 1.0f,
-1.0f,-1.0f,-1.0f,
1.0f,-1.0f, 1.0f,
-1.0f,-1.0f, 1.0f,
-1.0f, 1.0f,-1.0f, // +Y side
-1.0f, 1.0f, 1.0f,
1.0f, 1.0f, 1.0f,
-1.0f, 1.0f,-1.0f,
1.0f, 1.0f, 1.0f,
1.0f, 1.0f,-1.0f,
1.0f, 1.0f,-1.0f, // +X side
1.0f, 1.0f, 1.0f,
1.0f,-1.0f, 1.0f,
1.0f,-1.0f, 1.0f,
1.0f,-1.0f,-1.0f,
1.0f, 1.0f,-1.0f,
-1.0f, 1.0f, 1.0f, // +Z side
-1.0f,-1.0f, 1.0f,
1.0f, 1.0f, 1.0f,
-1.0f,-1.0f, 1.0f,
1.0f,-1.0f, 1.0f,
1.0f, 1.0f, 1.0f,
};
static const float g_uv_buffer_data[] = {
0.0f, 1.0f, // -X side
1.0f, 1.0f,
1.0f, 0.0f,
1.0f, 0.0f,
0.0f, 0.0f,
0.0f, 1.0f,
1.0f, 1.0f, // -Z side
0.0f, 0.0f,
0.0f, 1.0f,
1.0f, 1.0f,
1.0f, 0.0f,
0.0f, 0.0f,
1.0f, 0.0f, // -Y side
1.0f, 1.0f,
0.0f, 1.0f,
1.0f, 0.0f,
0.0f, 1.0f,
0.0f, 0.0f,
1.0f, 0.0f, // +Y side
0.0f, 0.0f,
0.0f, 1.0f,
1.0f, 0.0f,
0.0f, 1.0f,
1.0f, 1.0f,
1.0f, 0.0f, // +X side
0.0f, 0.0f,
0.0f, 1.0f,
0.0f, 1.0f,
1.0f, 1.0f,
1.0f, 0.0f,
0.0f, 0.0f, // +Z side
0.0f, 1.0f,
1.0f, 0.0f,
0.0f, 1.0f,
1.0f, 1.0f,
1.0f, 0.0f,
};
// clang-format on
void dumpMatrix(const char *note, mat4x4 MVP) {
int i;
printf("%s: \n", note);
for (i = 0; i < 4; i++) {
printf("%f, %f, %f, %f\n", MVP[i][0], MVP[i][1], MVP[i][2], MVP[i][3]);
}
printf("\n");
fflush(stdout);
}
void dumpVec4(const char *note, vec4 vector) {
printf("%s: \n", note);
printf("%f, %f, %f, %f\n", vector[0], vector[1], vector[2], vector[3]);
printf("\n");
fflush(stdout);
}
VKAPI_ATTR VkBool32 VKAPI_CALL
BreakCallback(VkFlags msgFlags, VkDebugReportObjectTypeEXT objType,
uint64_t srcObject, size_t location, int32_t msgCode,
const char *pLayerPrefix, const char *pMsg,
void *pUserData) {
assert(false);
return false;
}
typedef struct {
VkImage image;
VkCommandBuffer cmd;
VkCommandBuffer graphics_to_present_cmd;
VkImageView view;
} SwapchainBuffers;
struct demo {
#if defined(VK_USE_PLATFORM_XLIB_KHR) | defined(VK_USE_PLATFORM_XCB_KHR)
Display* display;
Window xlib_window;
Atom xlib_wm_delete_window;
xcb_connection_t *connection;
xcb_screen_t *screen;
xcb_window_t xcb_window;
xcb_intern_atom_reply_t *atom_wm_delete_window;
#endif
VkSurfaceKHR surface;
bool prepared;
bool use_staging_buffer;
bool use_xlib;
bool separate_present_queue;
VkInstance inst;
VkPhysicalDevice gpu;
VkDevice device;
VkQueue graphics_queue;
VkQueue present_queue;
uint32_t graphics_queue_family_index;
uint32_t present_queue_family_index;
VkSemaphore image_acquired_semaphores[FRAME_LAG];
VkSemaphore draw_complete_semaphores[FRAME_LAG];
VkSemaphore image_ownership_semaphores[FRAME_LAG];
VkPhysicalDeviceProperties gpu_props;
VkQueueFamilyProperties *queue_props;
VkPhysicalDeviceMemoryProperties memory_properties;
uint32_t enabled_extension_count;
uint32_t enabled_layer_count;
const char* extension_names[64];
const char* enabled_layers[64];
uint32_t width, height;
VkFormat format;
VkColorSpaceKHR color_space;
PFN_vkGetPhysicalDeviceSurfaceSupportKHR
fpGetPhysicalDeviceSurfaceSupportKHR;
PFN_vkGetPhysicalDeviceSurfaceCapabilitiesKHR
fpGetPhysicalDeviceSurfaceCapabilitiesKHR;
PFN_vkGetPhysicalDeviceSurfaceFormatsKHR
fpGetPhysicalDeviceSurfaceFormatsKHR;
PFN_vkGetPhysicalDeviceSurfacePresentModesKHR
fpGetPhysicalDeviceSurfacePresentModesKHR;
PFN_vkCreateSwapchainKHR fpCreateSwapchainKHR;
PFN_vkDestroySwapchainKHR fpDestroySwapchainKHR;
PFN_vkGetSwapchainImagesKHR fpGetSwapchainImagesKHR;
PFN_vkAcquireNextImageKHR fpAcquireNextImageKHR;
PFN_vkQueuePresentKHR fpQueuePresentKHR;
uint32_t swapchainImageCount;
VkSwapchainKHR swapchain;
SwapchainBuffers *buffers;
VkPresentModeKHR presentMode;
VkFence fences[FRAME_LAG];
int frame_index;
VkCommandPool cmd_pool;
VkCommandPool present_cmd_pool;
struct {
VkFormat format;
VkImage image;
VkMemoryAllocateInfo mem_alloc;
VkDeviceMemory mem;
VkImageView view;
} depth;
struct texture_object textures[DEMO_TEXTURE_COUNT];
struct texture_object staging_texture;
struct {
VkBuffer buf;
VkMemoryAllocateInfo mem_alloc;
VkDeviceMemory mem;
VkDescriptorBufferInfo buffer_info;
} uniform_data;
VkCommandBuffer cmd; // Buffer for initialization commands
VkPipelineLayout pipeline_layout;
VkDescriptorSetLayout desc_layout;
VkPipelineCache pipelineCache;
VkRenderPass render_pass;
VkPipeline pipeline;
mat4x4 projection_matrix;
mat4x4 view_matrix;
mat4x4 model_matrix;
float spin_angle;
float spin_increment;
bool pause;
VkShaderModule vert_shader_module;
VkShaderModule frag_shader_module;
VkDescriptorPool desc_pool;
VkDescriptorSet desc_set;
VkFramebuffer *framebuffers;
bool quit;
int32_t curFrame;
int32_t frameCount;
bool validate;
bool use_break;
bool suppress_popups;
PFN_vkCreateDebugReportCallbackEXT CreateDebugReportCallback;
PFN_vkDestroyDebugReportCallbackEXT DestroyDebugReportCallback;
VkDebugReportCallbackEXT msg_callback;
PFN_vkDebugReportMessageEXT DebugReportMessage;
uint32_t current_buffer;
uint32_t queue_family_count;
};
VKAPI_ATTR VkBool32 VKAPI_CALL
dbgFunc(VkFlags msgFlags, VkDebugReportObjectTypeEXT objType,
uint64_t srcObject, size_t location, int32_t msgCode,
const char *pLayerPrefix, const char *pMsg, void *pUserData) {
// clang-format off
char *message = (char *)malloc(strlen(pMsg) + 100);
assert(message);
// We know we're submitting queues without fences, ignore this
if (strstr(pMsg, "vkQueueSubmit parameter, VkFence fence, is null pointer"))
return false;
if (msgFlags & VK_DEBUG_REPORT_INFORMATION_BIT_EXT) {
sprintf(message, "INFORMATION: [%s] Code %d : %s", pLayerPrefix, msgCode, pMsg);
validation_error = 1;
} else if (msgFlags & VK_DEBUG_REPORT_WARNING_BIT_EXT) {
sprintf(message, "WARNING: [%s] Code %d : %s", pLayerPrefix, msgCode, pMsg);
validation_error = 1;
} else if (msgFlags & VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT) {
sprintf(message, "PERFORMANCE WARNING: [%s] Code %d : %s", pLayerPrefix, msgCode, pMsg);
validation_error = 1;
} else if (msgFlags & VK_DEBUG_REPORT_ERROR_BIT_EXT) {
sprintf(message, "ERROR: [%s] Code %d : %s", pLayerPrefix, msgCode, pMsg);
validation_error = 1;
} else if (msgFlags & VK_DEBUG_REPORT_DEBUG_BIT_EXT) {
sprintf(message, "DEBUG: [%s] Code %d : %s", pLayerPrefix, msgCode, pMsg);
validation_error = 1;
} else {
sprintf(message, "INFORMATION: [%s] Code %d : %s", pLayerPrefix, msgCode, pMsg);
validation_error = 1;
}
printf("%s\n", message);
fflush(stdout);
free(message);
// clang-format on
/*
* false indicates that layer should not bail-out of an
* API call that had validation failures. This may mean that the
* app dies inside the driver due to invalid parameter(s).
* That's what would happen without validation layers, so we'll
* keep that behavior here.
*/
return false;
}
// Forward declaration:
static void demo_resize(struct demo *demo);
static bool memory_type_from_properties(struct demo *demo, uint32_t typeBits,
VkFlags requirements_mask,
uint32_t *typeIndex) {
// Search memtypes to find first index with those properties
for (uint32_t i = 0; i < VK_MAX_MEMORY_TYPES; i++) {
if ((typeBits & 1) == 1) {
// Type is available, does it match user properties?
if ((demo->memory_properties.memoryTypes[i].propertyFlags &
requirements_mask) == requirements_mask) {
*typeIndex = i;
return true;
}
}
typeBits >>= 1;
}
// No memory types matched, return failure
return false;
}
static void demo_flush_init_cmd(struct demo *demo) {
VkResult U_ASSERT_ONLY err;
// This function could get called twice if the texture uses a staging buffer
// In that case the second call should be ignored
if (demo->cmd == VK_NULL_HANDLE)
return;
err = vkEndCommandBuffer(demo->cmd);
assert(!err);
VkFence fence;
VkFenceCreateInfo fence_ci = {.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO,
.pNext = NULL,
.flags = 0};
vkCreateFence(demo->device, &fence_ci, NULL, &fence);
const VkCommandBuffer cmd_bufs[] = {demo->cmd};
VkSubmitInfo submit_info = {.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO,
.pNext = NULL,
.waitSemaphoreCount = 0,
.pWaitSemaphores = NULL,
.pWaitDstStageMask = NULL,
.commandBufferCount = 1,
.pCommandBuffers = cmd_bufs,
.signalSemaphoreCount = 0,
.pSignalSemaphores = NULL};
err = vkQueueSubmit(demo->graphics_queue, 1, &submit_info, fence);
assert(!err);
err = vkWaitForFences(demo->device, 1, &fence, VK_TRUE, UINT64_MAX);
assert(!err);
vkFreeCommandBuffers(demo->device, demo->cmd_pool, 1, cmd_bufs);
vkDestroyFence(demo->device, fence, NULL);
demo->cmd = VK_NULL_HANDLE;
}
static void demo_set_image_layout(struct demo *demo, VkImage image,
VkImageAspectFlags aspectMask,
VkImageLayout old_image_layout,
VkImageLayout new_image_layout,
VkAccessFlagBits srcAccessMask,
VkPipelineStageFlags src_stages,
VkPipelineStageFlags dest_stages) {
assert(demo->cmd);
VkImageMemoryBarrier image_memory_barrier = {
.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
.pNext = NULL,
.srcAccessMask = srcAccessMask,
.dstAccessMask = 0,
.oldLayout = old_image_layout,
.newLayout = new_image_layout,
.image = image,
.subresourceRange = {aspectMask, 0, 1, 0, 1}};
switch (new_image_layout) {
case VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL:
/* Make sure anything that was copying from this image has completed */
image_memory_barrier.dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;
break;
case VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL:
image_memory_barrier.dstAccessMask =
VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
break;
case VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL:
image_memory_barrier.dstAccessMask =
VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT;
break;
case VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL:
image_memory_barrier.dstAccessMask =
VK_ACCESS_SHADER_READ_BIT | VK_ACCESS_INPUT_ATTACHMENT_READ_BIT;
break;
case VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL:
image_memory_barrier.dstAccessMask = VK_ACCESS_TRANSFER_READ_BIT;
break;
case VK_IMAGE_LAYOUT_PRESENT_SRC_KHR:
image_memory_barrier.dstAccessMask = VK_ACCESS_MEMORY_READ_BIT;
break;
default:
image_memory_barrier.dstAccessMask = 0;
break;
}
VkImageMemoryBarrier *pmemory_barrier = &image_memory_barrier;
vkCmdPipelineBarrier(demo->cmd, src_stages, dest_stages, 0, 0, NULL, 0,
NULL, 1, pmemory_barrier);
}
static void demo_draw_build_cmd(struct demo *demo, VkCommandBuffer cmd_buf) {
const VkCommandBufferBeginInfo cmd_buf_info = {
.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO,
.pNext = NULL,
.flags = VK_COMMAND_BUFFER_USAGE_SIMULTANEOUS_USE_BIT,
.pInheritanceInfo = NULL,
};
const VkClearValue clear_values[2] = {
[0] = {.color.float32 = {0.2f, 0.2f, 0.2f, 0.2f}},
[1] = {.depthStencil = {1.0f, 0}},
};
const VkRenderPassBeginInfo rp_begin = {
.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO,
.pNext = NULL,
.renderPass = demo->render_pass,
.framebuffer = demo->framebuffers[demo->current_buffer],
.renderArea.offset.x = 0,
.renderArea.offset.y = 0,
.renderArea.extent.width = demo->width,
.renderArea.extent.height = demo->height,
.clearValueCount = 2,
.pClearValues = clear_values,
};
VkResult U_ASSERT_ONLY err;
err = vkBeginCommandBuffer(cmd_buf, &cmd_buf_info);
assert(!err);
vkCmdBeginRenderPass(cmd_buf, &rp_begin, VK_SUBPASS_CONTENTS_INLINE);
vkCmdBindPipeline(cmd_buf, VK_PIPELINE_BIND_POINT_GRAPHICS, demo->pipeline);
vkCmdBindDescriptorSets(cmd_buf, VK_PIPELINE_BIND_POINT_GRAPHICS,
demo->pipeline_layout, 0, 1, &demo->desc_set, 0,
NULL);
VkViewport viewport;
memset(&viewport, 0, sizeof(viewport));
viewport.height = (float)demo->height;
viewport.width = (float)demo->width;
viewport.minDepth = (float)0.0f;
viewport.maxDepth = (float)1.0f;
vkCmdSetViewport(cmd_buf, 0, 1, &viewport);
VkRect2D scissor;
memset(&scissor, 0, sizeof(scissor));
scissor.extent.width = demo->width;
scissor.extent.height = demo->height;
scissor.offset.x = 0;
scissor.offset.y = 0;
vkCmdSetScissor(cmd_buf, 0, 1, &scissor);
vkCmdDraw(cmd_buf, 12 * 3, 1, 0, 0);
// Note that ending the renderpass changes the image's layout from
// COLOR_ATTACHMENT_OPTIMAL to PRESENT_SRC_KHR
vkCmdEndRenderPass(cmd_buf);
if (demo->separate_present_queue) {
// We have to transfer ownership from the graphics queue family to the
// present queue family to be able to present. Note that we don't have
// to transfer from present queue family back to graphics queue family at
// the start of the next frame because we don't care about the image's
// contents at that point.
VkImageMemoryBarrier image_ownership_barrier = {
.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
.pNext = NULL,
.srcAccessMask = 0,
.dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
.oldLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR,
.newLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR,
.srcQueueFamilyIndex = demo->graphics_queue_family_index,
.dstQueueFamilyIndex = demo->present_queue_family_index,
.image = demo->buffers[demo->current_buffer].image,
.subresourceRange = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1}};
vkCmdPipelineBarrier(cmd_buf,
VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT,
VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, 0,
0, NULL, 0, NULL, 1, &image_ownership_barrier);
}
err = vkEndCommandBuffer(cmd_buf);
assert(!err);
}
void demo_build_image_ownership_cmd(struct demo *demo, int i) {
VkResult U_ASSERT_ONLY err;
const VkCommandBufferBeginInfo cmd_buf_info = {
.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO,
.pNext = NULL,
.flags = VK_COMMAND_BUFFER_USAGE_SIMULTANEOUS_USE_BIT,
.pInheritanceInfo = NULL,
};
err = vkBeginCommandBuffer(demo->buffers[i].graphics_to_present_cmd,
&cmd_buf_info);
assert(!err);
VkImageMemoryBarrier image_ownership_barrier = {
.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
.pNext = NULL,
.srcAccessMask = 0,
.dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
.oldLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR,
.newLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR,
.srcQueueFamilyIndex = demo->graphics_queue_family_index,
.dstQueueFamilyIndex = demo->present_queue_family_index,
.image = demo->buffers[i].image,
.subresourceRange = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1}};
vkCmdPipelineBarrier(demo->buffers[i].graphics_to_present_cmd,
VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT,
VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, 0, 0,
NULL, 0, NULL, 1, &image_ownership_barrier);
err = vkEndCommandBuffer(demo->buffers[i].graphics_to_present_cmd);
assert(!err);
}
void demo_update_data_buffer(struct demo *demo) {
mat4x4 MVP, Model, VP;
int matrixSize = sizeof(MVP);
uint8_t *pData;
VkResult U_ASSERT_ONLY err;
mat4x4_mul(VP, demo->projection_matrix, demo->view_matrix);
// Rotate 22.5 degrees around the Y axis
mat4x4_dup(Model, demo->model_matrix);
mat4x4_rotate(demo->model_matrix, Model, 0.0f, 1.0f, 0.0f,
(float)degreesToRadians(demo->spin_angle));
mat4x4_mul(MVP, VP, demo->model_matrix);
err = vkMapMemory(demo->device, demo->uniform_data.mem, 0,
demo->uniform_data.mem_alloc.allocationSize, 0,
(void **)&pData);
assert(!err);
memcpy(pData, (const void *)&MVP[0][0], matrixSize);
vkUnmapMemory(demo->device, demo->uniform_data.mem);
}
static void demo_draw(struct demo *demo) {
VkResult U_ASSERT_ONLY err;
// Ensure no more than FRAME_LAG renderings are outstanding
vkWaitForFences(demo->device, 1, &demo->fences[demo->frame_index], VK_TRUE, UINT64_MAX);
vkResetFences(demo->device, 1, &demo->fences[demo->frame_index]);
TRACE_NONCE_DECLARE(nonce);
TRACE_ASYNC_BEGIN("cube", "acquire next image", nonce);
while (true) {
// Get the index of the next available swapchain image:
err = demo->fpAcquireNextImageKHR(demo->device, demo->swapchain, 5000 * 1000 * 1000,
demo->image_acquired_semaphores[demo->frame_index],
VK_NULL_HANDLE, &demo->current_buffer);
if (err == VK_ERROR_OUT_OF_DATE_KHR) {
// demo->swapchain is out of date (e.g. the window was resized) and
// must be recreated:
demo->frame_index += 1;
demo->frame_index %= FRAME_LAG;
demo_resize(demo);
demo_draw(demo);
return;
} else if (err == VK_SUBOPTIMAL_KHR) {
// demo->swapchain is not as optimal as it could be, but the platform's
// presentation engine will still present the image correctly.
} else if (err == VK_TIMEOUT) {
printf("timed out waiting for swapchain image acquire, retrying\n");
continue;
} else {
assert(!err);
break;
}
}
TRACE_ASYNC_END("cube", "acquire next image", nonce);
// Wait for the image acquired semaphore to be signaled to ensure
// that the image won't be rendered to until the presentation
// engine has fully released ownership to the application, and it is
// okay to render to the image.
VkFence nullFence = VK_NULL_HANDLE;
VkPipelineStageFlags pipe_stage_flags;
VkSubmitInfo submit_info;
submit_info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
submit_info.pNext = NULL;
submit_info.pWaitDstStageMask = &pipe_stage_flags;
pipe_stage_flags = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
submit_info.waitSemaphoreCount = 1;
submit_info.pWaitSemaphores = &demo->image_acquired_semaphores[demo->frame_index];
submit_info.commandBufferCount = 1;
submit_info.pCommandBuffers = &demo->buffers[demo->current_buffer].cmd;
submit_info.signalSemaphoreCount = 1;
submit_info.pSignalSemaphores = &demo->draw_complete_semaphores[demo->frame_index];
err = vkQueueSubmit(demo->graphics_queue, 1, &submit_info, demo->fences[demo->frame_index]);
assert(!err);
if (demo->separate_present_queue) {
// If we are using separate queues, change image ownership to the
// present queue before presenting, waiting for the draw complete
// semaphore and signalling the ownership released semaphore when finished
pipe_stage_flags = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
submit_info.waitSemaphoreCount = 1;
submit_info.pWaitSemaphores = &demo->draw_complete_semaphores[demo->frame_index];
submit_info.commandBufferCount = 1;
submit_info.pCommandBuffers =
&demo->buffers[demo->current_buffer].graphics_to_present_cmd;
submit_info.signalSemaphoreCount = 1;
submit_info.pSignalSemaphores = &demo->image_ownership_semaphores[demo->frame_index];
err = vkQueueSubmit(demo->present_queue, 1, &submit_info, nullFence);
assert(!err);
}
// If we are using separate queues we have to wait for image ownership,
// otherwise wait for draw complete
VkPresentInfoKHR present = {
.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR,
.pNext = NULL,
.waitSemaphoreCount = 1,
.pWaitSemaphores = (demo->separate_present_queue)
? &demo->image_ownership_semaphores[demo->frame_index]
: &demo->draw_complete_semaphores[demo->frame_index],
.swapchainCount = 1,
.pSwapchains = &demo->swapchain,
.pImageIndices = &demo->current_buffer,
};
err = demo->fpQueuePresentKHR(demo->present_queue, &present);
demo->frame_index += 1;
demo->frame_index %= FRAME_LAG;
if (err == VK_ERROR_OUT_OF_DATE_KHR) {
// demo->swapchain is out of date (e.g. the window was resized) and
// must be recreated:
demo_resize(demo);
} else if (err == VK_SUBOPTIMAL_KHR) {
// demo->swapchain is not as optimal as it could be, but the platform's
// presentation engine will still present the image correctly.
} else {
assert(!err);
}
}
static void demo_prepare_buffers(struct demo *demo) {
VkResult U_ASSERT_ONLY err;
VkSwapchainKHR oldSwapchain = demo->swapchain;
// Check the surface capabilities and formats
VkSurfaceCapabilitiesKHR surfCapabilities;
err = demo->fpGetPhysicalDeviceSurfaceCapabilitiesKHR(
demo->gpu, demo->surface, &surfCapabilities);
assert(!err);
uint32_t presentModeCount;
err = demo->fpGetPhysicalDeviceSurfacePresentModesKHR(
demo->gpu, demo->surface, &presentModeCount, NULL);
assert(!err);
VkPresentModeKHR *presentModes =
(VkPresentModeKHR *)malloc(presentModeCount * sizeof(VkPresentModeKHR));
assert(presentModes);
err = demo->fpGetPhysicalDeviceSurfacePresentModesKHR(
demo->gpu, demo->surface, &presentModeCount, presentModes);
assert(!err);
VkExtent2D swapchainExtent;
// width and height are either both 0xFFFFFFFF, or both not 0xFFFFFFFF.
if (surfCapabilities.currentExtent.width == 0xFFFFFFFF) {
// If the surface size is undefined, the size is set to the size
// of the images requested, which must fit within the minimum and
// maximum values.
swapchainExtent.width = demo->width;
swapchainExtent.height = demo->height;
if (swapchainExtent.width < surfCapabilities.minImageExtent.width) {
swapchainExtent.width = surfCapabilities.minImageExtent.width;
} else if (swapchainExtent.width > surfCapabilities.maxImageExtent.width) {
swapchainExtent.width = surfCapabilities.maxImageExtent.width;
}
if (swapchainExtent.height < surfCapabilities.minImageExtent.height) {
swapchainExtent.height = surfCapabilities.minImageExtent.height;
} else if (swapchainExtent.height > surfCapabilities.maxImageExtent.height) {
swapchainExtent.height = surfCapabilities.maxImageExtent.height;
}
} else {
// If the surface size is defined, the swap chain size must match
swapchainExtent = surfCapabilities.currentExtent;
demo->width = surfCapabilities.currentExtent.width;
demo->height = surfCapabilities.currentExtent.height;
}
printf("using resolution %ux%u\n", demo->width, demo->height);
mat4x4_perspective(demo->projection_matrix, (float)degreesToRadians(45.0f),
(float)demo->width / (float)demo->height, 0.1f, 100.0f);
// The FIFO present mode is guaranteed by the spec to be supported
// and to have no tearing. It's a great default present mode to use.
VkPresentModeKHR swapchainPresentMode = VK_PRESENT_MODE_FIFO_KHR;
// There are times when you may wish to use another present mode. The
// following code shows how to select them, and the comments provide some
// reasons you may wish to use them.
//
// It should be noted that Vulkan 1.0 doesn't provide a method for
// synchronizing rendering with the presentation engine's display. There
// is a method provided for throttling rendering with the display, but
// there are some presentation engines for which this method will not work.
// If an application doesn't throttle its rendering, and if it renders much
// faster than the refresh rate of the display, this can waste power on
// mobile devices. That is because power is being spent rendering images
// that may never be seen.
// VK_PRESENT_MODE_IMMEDIATE_KHR is for applications that don't care about
// tearing, or have some way of synchronizing their rendering with the
// display.
// VK_PRESENT_MODE_MAILBOX_KHR may be useful for applications that
// generally render a new presentable image every refresh cycle, but are
// occasionally early. In this case, the application wants the new image
// to be displayed instead of the previously-queued-for-presentation image
// that has not yet been displayed.
// VK_PRESENT_MODE_FIFO_RELAXED_KHR is for applications that generally
// render a new presentable image every refresh cycle, but are occasionally
// late. In this case (perhaps because of stuttering/latency concerns),
// the application wants the late image to be immediately displayed, even
// though that may mean some tearing.
if (demo->presentMode != swapchainPresentMode) {
for (size_t i = 0; i < presentModeCount; ++i) {
if (presentModes[i] == demo->presentMode) {
swapchainPresentMode = demo->presentMode;
break;
}
}
}
if (swapchainPresentMode != demo->presentMode) {
ERR_EXIT("Present mode specified is not supported\n", "Present mode unsupported");
}
// Determine the number of VkImage's to use in the swap chain.
// Application desires to only acquire 1 image at a time (which is
// "surfCapabilities.minImageCount").
uint32_t desiredNumOfSwapchainImages = surfCapabilities.maxImageCount;
// If maxImageCount is 0, we can ask for as many images as we want;
// otherwise we're limited to maxImageCount
if ((surfCapabilities.maxImageCount > 0) &&
(desiredNumOfSwapchainImages > surfCapabilities.maxImageCount)) {
// Application must settle for fewer images than desired:
desiredNumOfSwapchainImages = surfCapabilities.maxImageCount;
}
VkSurfaceTransformFlagBitsKHR preTransform;
if (surfCapabilities.supportedTransforms &
VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR) {
preTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
} else {
preTransform = surfCapabilities.currentTransform;
}
VkSwapchainCreateInfoKHR swapchain_ci = {
.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR,
.pNext = NULL,
.surface = demo->surface,
.minImageCount = desiredNumOfSwapchainImages,
.imageFormat = demo->format,
.imageColorSpace = demo->color_space,
.imageExtent =
{
.width = swapchainExtent.width, .height = swapchainExtent.height,
},
.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT,
.preTransform = preTransform,
.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR,
.imageArrayLayers = 1,
.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE,
.queueFamilyIndexCount = 0,
.pQueueFamilyIndices = NULL,
.presentMode = swapchainPresentMode,
.oldSwapchain = oldSwapchain,
.clipped = true,
};
uint32_t i;
err = demo->fpCreateSwapchainKHR(demo->device, &swapchain_ci, NULL,
&demo->swapchain);
assert(!err);
// If we just re-created an existing swapchain, we should destroy the old
// swapchain at this point.
// Note: destroying the swapchain also cleans up all its associated
// presentable images once the platform is done with them.
if (oldSwapchain != VK_NULL_HANDLE) {
demo->fpDestroySwapchainKHR(demo->device, oldSwapchain, NULL);
}
err = demo->fpGetSwapchainImagesKHR(demo->device, demo->swapchain,
&demo->swapchainImageCount, NULL);
assert(!err);
VkImage *swapchainImages =
(VkImage *)malloc(demo->swapchainImageCount * sizeof(VkImage));
assert(swapchainImages);
err = demo->fpGetSwapchainImagesKHR(demo->device, demo->swapchain,
&demo->swapchainImageCount,
swapchainImages);
assert(!err);
demo->buffers = (SwapchainBuffers *)malloc(sizeof(SwapchainBuffers) *
demo->swapchainImageCount);
assert(demo->buffers);
for (i = 0; i < demo->swapchainImageCount; i++) {
VkImageViewCreateInfo color_image_view = {
.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,
.pNext = NULL,
.format = demo->format,
.components =
{
.r = VK_COMPONENT_SWIZZLE_R,
.g = VK_COMPONENT_SWIZZLE_G,
.b = VK_COMPONENT_SWIZZLE_B,
.a = VK_COMPONENT_SWIZZLE_A,
},
.subresourceRange = {.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
.baseMipLevel = 0,
.levelCount = 1,
.baseArrayLayer = 0,
.layerCount = 1},
.viewType = VK_IMAGE_VIEW_TYPE_2D,
.flags = 0,
};
demo->buffers[i].image = swapchainImages[i];
color_image_view.image = demo->buffers[i].image;
err = vkCreateImageView(demo->device, &color_image_view, NULL,
&demo->buffers[i].view);
assert(!err);
}
if (NULL != presentModes) {
free(presentModes);
}
}
static void demo_prepare_depth(struct demo *demo) {
const VkFormat depth_format = VK_FORMAT_D16_UNORM;
const VkImageCreateInfo image = {
.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
.pNext = NULL,
.imageType = VK_IMAGE_TYPE_2D,
.format = depth_format,
.extent = {demo->width, demo->height, 1},
.mipLevels = 1,
.arrayLayers = 1,
.samples = VK_SAMPLE_COUNT_1_BIT,
.tiling = VK_IMAGE_TILING_OPTIMAL,
.usage = VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT,
.flags = 0,
};
VkImageViewCreateInfo view = {
.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,
.pNext = NULL,
.image = VK_NULL_HANDLE,
.format = depth_format,
.subresourceRange = {.aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT,
.baseMipLevel = 0,
.levelCount = 1,
.baseArrayLayer = 0,
.layerCount = 1},
.flags = 0,
.viewType = VK_IMAGE_VIEW_TYPE_2D,
};
VkMemoryRequirements mem_reqs;
VkResult U_ASSERT_ONLY err;
bool U_ASSERT_ONLY pass;
demo->depth.format = depth_format;
/* create image */
err = vkCreateImage(demo->device, &image, NULL, &demo->depth.image);
assert(!err);
vkGetImageMemoryRequirements(demo->device, demo->depth.image, &mem_reqs);
assert(!err);
demo->depth.mem_alloc.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
demo->depth.mem_alloc.pNext = NULL;
demo->depth.mem_alloc.allocationSize = mem_reqs.size;
demo->depth.mem_alloc.memoryTypeIndex = 0;
pass = memory_type_from_properties(demo, mem_reqs.memoryTypeBits,
0, /* No requirements */
&demo->depth.mem_alloc.memoryTypeIndex);
assert(pass);
/* allocate memory */
err = vkAllocateMemory(demo->device, &demo->depth.mem_alloc, NULL,
&demo->depth.mem);
assert(!err);
/* bind memory */
err =
vkBindImageMemory(demo->device, demo->depth.image, demo->depth.mem, 0);
assert(!err);
/* create image view */
view.image = demo->depth.image;
err = vkCreateImageView(demo->device, &view, NULL, &demo->depth.view);
assert(!err);
}
#include "magma.ppm.h"
/* Load a ppm file into memory */
bool loadTexture(const char *filename, uint8_t *rgba_data,
VkSubresourceLayout *layout, uint32_t *width, uint32_t *height) {
// #include "lunarg.ppm.h"
// constexpr bool kDataIsAscii = false;
// const char* ppm = reinterpret_cast<const char*>(lunarg_ppm);
// const uint32_t len = lunarg_ppm_len;//sizeof(lunarg_ppm);
constexpr bool kDataIsAscii = true;
const char* ppm = magma_ppm;
const uint32_t len = sizeof(magma_ppm);
const char *cPtr = ppm;
if (cPtr >= (ppm + len) || (strncmp(cPtr, "P6\n", 3) && strncmp(cPtr, "P3\n", 3))) {
fprintf(stderr, "ppm invalid %x %x %x\n", cPtr[0], cPtr[1], cPtr[2]);
return false;
}
while(strncmp(cPtr++, "\n", 1));
sscanf(cPtr, "%u %u", width, height);
if (rgba_data == NULL) {
return true;
}
while(strncmp(cPtr++, "\n", 1));
if (cPtr >= (ppm + len) || strncmp(cPtr, "255\n", 4)) {
fprintf(stderr, "ppm invalid %x %x %x %x\n", cPtr[0], cPtr[1], cPtr[2], cPtr[3]);
return false;
}
while(strncmp(cPtr++, "\n", 1));
for (uint32_t y = 0; y < *height; y++) {
uint8_t *rowPtr = rgba_data;
for (uint32_t x = 0; x < *width; x++) {
if (kDataIsAscii) {
sscanf(cPtr, "%hhu ", &rowPtr[0]);
while(strncmp(cPtr++, " ", 1));
sscanf(cPtr, "%hhu ", &rowPtr[1]);
while(strncmp(cPtr++, " ", 1));
sscanf(cPtr, "%hhu ", &rowPtr[2]);
while(strncmp(cPtr++, " ", 1));
if (*cPtr == '\n')
cPtr++;
} else {
memcpy(rowPtr, cPtr, 3);
cPtr += 3;
}
rowPtr[3] = 255; /* Alpha of 1 */
rowPtr += 4;
}
rgba_data += layout->rowPitch;
}
return true;
}
static void demo_prepare_texture_image(struct demo *demo, const char *filename,
struct texture_object *tex_obj,
VkImageTiling tiling,
VkImageUsageFlags usage,
VkFlags required_props) {
const VkFormat tex_format = VK_FORMAT_R8G8B8A8_UNORM;
uint32_t tex_width;
uint32_t tex_height;
VkResult U_ASSERT_ONLY err;
bool U_ASSERT_ONLY pass;
if (!loadTexture(filename, NULL, NULL, &tex_width, &tex_height)) {
ERR_EXIT("Failed to load textures", "Load Texture Failure");
}
tex_obj->tex_width = tex_width;
tex_obj->tex_height = tex_height;
const VkImageCreateInfo image_create_info = {
.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
.pNext = NULL,
.imageType = VK_IMAGE_TYPE_2D,
.format = tex_format,
.extent = {tex_width, tex_height, 1},
.mipLevels = 1,
.arrayLayers = 1,
.samples = VK_SAMPLE_COUNT_1_BIT,
.tiling = tiling,
.usage = usage,
.flags = 0,
.initialLayout = VK_IMAGE_LAYOUT_PREINITIALIZED,
};
VkMemoryRequirements mem_reqs;
err =
vkCreateImage(demo->device, &image_create_info, NULL, &tex_obj->image);
assert(!err);
vkGetImageMemoryRequirements(demo->device, tex_obj->image, &mem_reqs);
tex_obj->mem_alloc.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
tex_obj->mem_alloc.pNext = NULL;
tex_obj->mem_alloc.allocationSize = mem_reqs.size;
tex_obj->mem_alloc.memoryTypeIndex = 0;
pass = memory_type_from_properties(demo, mem_reqs.memoryTypeBits,
required_props,
&tex_obj->mem_alloc.memoryTypeIndex);
assert(pass);
/* allocate memory */
err = vkAllocateMemory(demo->device, &tex_obj->mem_alloc, NULL,
&(tex_obj->mem));
assert(!err);
/* bind memory */
err = vkBindImageMemory(demo->device, tex_obj->image, tex_obj->mem, 0);
assert(!err);
if (required_props & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) {
const VkImageSubresource subres = {
.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
.mipLevel = 0,
.arrayLayer = 0,
};
VkSubresourceLayout layout;
void *data;
vkGetImageSubresourceLayout(demo->device, tex_obj->image, &subres,
&layout);
err = vkMapMemory(demo->device, tex_obj->mem, 0,
tex_obj->mem_alloc.allocationSize, 0, &data);
assert(!err);
if (!loadTexture(filename, reinterpret_cast<uint8_t*>(data), &layout, &tex_width, &tex_height)) {
fprintf(stderr, "Error loading texture: %s\n", filename);
}
vkUnmapMemory(demo->device, tex_obj->mem);
}
tex_obj->imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
}
static void demo_destroy_texture_image(struct demo *demo,
struct texture_object *tex_objs) {
/* clean up staging resources */
vkFreeMemory(demo->device, tex_objs->mem, NULL);
vkDestroyImage(demo->device, tex_objs->image, NULL);
}
static void demo_prepare_textures(struct demo *demo) {
const VkFormat tex_format = VK_FORMAT_R8G8B8A8_UNORM;
VkFormatProperties props;
uint32_t i;
vkGetPhysicalDeviceFormatProperties(demo->gpu, tex_format, &props);
for (i = 0; i < DEMO_TEXTURE_COUNT; i++) {
VkResult U_ASSERT_ONLY err;
if ((props.linearTilingFeatures &
VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT) &&
!demo->use_staging_buffer) {
/* Device can texture using linear textures */
demo_prepare_texture_image(
demo, tex_files[i], &demo->textures[i], VK_IMAGE_TILING_LINEAR,
VK_IMAGE_USAGE_SAMPLED_BIT,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT |
VK_MEMORY_PROPERTY_HOST_COHERENT_BIT);
// Nothing in the pipeline needs to be complete to start, and don't allow fragment
// shader to run until layout transition completes
demo_set_image_layout(demo, demo->textures[i].image, VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_PREINITIALIZED, demo->textures[i].imageLayout,
static_cast<VkAccessFlagBits>(0), VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT);
demo->staging_texture.image = 0;
} else if (props.optimalTilingFeatures &
VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT) {
/* Must use staging buffer to copy linear texture to optimized */
memset(&demo->staging_texture, 0, sizeof(demo->staging_texture));
demo_prepare_texture_image(
demo, tex_files[i], &demo->staging_texture, VK_IMAGE_TILING_LINEAR,
VK_IMAGE_USAGE_TRANSFER_SRC_BIT,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT |
VK_MEMORY_PROPERTY_HOST_COHERENT_BIT);
demo_prepare_texture_image(
demo, tex_files[i], &demo->textures[i], VK_IMAGE_TILING_OPTIMAL,
(VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT),
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
demo_set_image_layout(demo, demo->staging_texture.image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_PREINITIALIZED,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
static_cast<VkAccessFlagBits>(0),
VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
VK_PIPELINE_STAGE_TRANSFER_BIT);
demo_set_image_layout(demo, demo->textures[i].image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_PREINITIALIZED,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
static_cast<VkAccessFlagBits>(0),
VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
VK_PIPELINE_STAGE_TRANSFER_BIT);
VkImageCopy copy_region = {
.srcSubresource = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1},
.srcOffset = {0, 0, 0},
.dstSubresource = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1},
.dstOffset = {0, 0, 0},
.extent = {demo->staging_texture.tex_width,
demo->staging_texture.tex_height, 1},
};
vkCmdCopyImage(
demo->cmd, demo->staging_texture.image,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, demo->textures[i].image,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, &copy_region);
demo_set_image_layout(demo, demo->textures[i].image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
demo->textures[i].imageLayout,
VK_ACCESS_TRANSFER_WRITE_BIT,
VK_PIPELINE_STAGE_TRANSFER_BIT,
VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT);
} else {
/* Can't support VK_FORMAT_R8G8B8A8_UNORM !? */
assert(!"No support for R8G8B8A8_UNORM as texture image format");
}
const VkSamplerCreateInfo sampler = {
.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO,
.pNext = NULL,
.magFilter = VK_FILTER_LINEAR,
.minFilter = VK_FILTER_LINEAR,
.mipmapMode = VK_SAMPLER_MIPMAP_MODE_NEAREST,
.addressModeU = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE,
.addressModeV = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE,
.addressModeW = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE,
.mipLodBias = 0.0f,
.anisotropyEnable = VK_FALSE,
.maxAnisotropy = 1,
.compareOp = VK_COMPARE_OP_NEVER,
.minLod = 0.0f,
.maxLod = 0.0f,
.borderColor = VK_BORDER_COLOR_FLOAT_OPAQUE_WHITE,
.unnormalizedCoordinates = VK_FALSE,
};
VkImageViewCreateInfo view = {
.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,
.pNext = NULL,
.image = VK_NULL_HANDLE,
.viewType = VK_IMAGE_VIEW_TYPE_2D,
.format = tex_format,
.components =
{
VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_G,
VK_COMPONENT_SWIZZLE_B, VK_COMPONENT_SWIZZLE_A,
},
.subresourceRange = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1},
.flags = 0,
};
/* create sampler */
err = vkCreateSampler(demo->device, &sampler, NULL,
&demo->textures[i].sampler);
assert(!err);
/* create image view */
view.image = demo->textures[i].image;
err = vkCreateImageView(demo->device, &view, NULL,
&demo->textures[i].view);
assert(!err);
}
}
void demo_prepare_cube_data_buffer(struct demo *demo) {
VkBufferCreateInfo buf_info;
VkMemoryRequirements mem_reqs;
uint8_t *pData;
int i;
mat4x4 MVP, VP;
VkResult U_ASSERT_ONLY err;
bool U_ASSERT_ONLY pass;
struct vktexcube_vs_uniform data;
mat4x4_mul(VP, demo->projection_matrix, demo->view_matrix);
mat4x4_mul(MVP, VP, demo->model_matrix);
memcpy(data.mvp, MVP, sizeof(MVP));
// dumpMatrix("MVP", MVP);
for (i = 0; i < 12 * 3; i++) {
data.position[i][0] = g_vertex_buffer_data[i * 3];
data.position[i][1] = g_vertex_buffer_data[i * 3 + 1];
data.position[i][2] = g_vertex_buffer_data[i * 3 + 2];
data.position[i][3] = 1.0f;
data.attr[i][0] = g_uv_buffer_data[2 * i];
data.attr[i][1] = g_uv_buffer_data[2 * i + 1];
data.attr[i][2] = 0;
data.attr[i][3] = 0;
}
memset(&buf_info, 0, sizeof(buf_info));
buf_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
buf_info.usage = VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT;
buf_info.size = sizeof(data);
err =
vkCreateBuffer(demo->device, &buf_info, NULL, &demo->uniform_data.buf);
assert(!err);
vkGetBufferMemoryRequirements(demo->device, demo->uniform_data.buf,
&mem_reqs);
demo->uniform_data.mem_alloc.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
demo->uniform_data.mem_alloc.pNext = NULL;
demo->uniform_data.mem_alloc.allocationSize = mem_reqs.size;
demo->uniform_data.mem_alloc.memoryTypeIndex = 0;
pass = memory_type_from_properties(
demo, mem_reqs.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT |
VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
&demo->uniform_data.mem_alloc.memoryTypeIndex);
assert(pass);
err = vkAllocateMemory(demo->device, &demo->uniform_data.mem_alloc, NULL,
&(demo->uniform_data.mem));
assert(!err);
err = vkMapMemory(demo->device, demo->uniform_data.mem, 0,
demo->uniform_data.mem_alloc.allocationSize, 0,
(void **)&pData);
assert(!err);
memcpy(pData, &data, sizeof data);
vkUnmapMemory(demo->device, demo->uniform_data.mem);
err = vkBindBufferMemory(demo->device, demo->uniform_data.buf,
demo->uniform_data.mem, 0);
assert(!err);
demo->uniform_data.buffer_info.buffer = demo->uniform_data.buf;
demo->uniform_data.buffer_info.offset = 0;
demo->uniform_data.buffer_info.range = sizeof(data);
}
static void demo_prepare_descriptor_layout(struct demo *demo) {
const VkDescriptorSetLayoutBinding layout_bindings[2] = {
[0] =
{
.binding = 0,
.descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
.descriptorCount = 1,
.stageFlags = VK_SHADER_STAGE_VERTEX_BIT,
.pImmutableSamplers = NULL,
},
[1] =
{
.binding = 1,
.descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
.descriptorCount = DEMO_TEXTURE_COUNT,
.stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT,
.pImmutableSamplers = NULL,
},
};
const VkDescriptorSetLayoutCreateInfo descriptor_layout = {
.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO,
.pNext = NULL,
.bindingCount = 2,
.pBindings = layout_bindings,
};
VkResult U_ASSERT_ONLY err;
err = vkCreateDescriptorSetLayout(demo->device, &descriptor_layout, NULL,
&demo->desc_layout);
assert(!err);
const VkPipelineLayoutCreateInfo pPipelineLayoutCreateInfo = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,
.pNext = NULL,
.setLayoutCount = 1,
.pSetLayouts = &demo->desc_layout,
};
err = vkCreatePipelineLayout(demo->device, &pPipelineLayoutCreateInfo, NULL,
&demo->pipeline_layout);
assert(!err);
}
static void demo_prepare_render_pass(struct demo *demo) {
// The initial layout for the color and depth attachments will be LAYOUT_UNDEFINED
// because at the start of the renderpass, we don't care about their contents.
// At the start of the subpass, the color attachment's layout will be transitioned
// to LAYOUT_COLOR_ATTACHMENT_OPTIMAL and the depth stencil attachment's layout
// will be transitioned to LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL. At the end of
// the renderpass, the color attachment's layout will be transitioned to
// LAYOUT_PRESENT_SRC_KHR to be ready to present. This is all done as part of
// the renderpass, no barriers are necessary.
const VkAttachmentDescription attachments[2] = {
[0] =
{
.format = demo->format,
.samples = VK_SAMPLE_COUNT_1_BIT,
.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR,
.storeOp = VK_ATTACHMENT_STORE_OP_STORE,
.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE,
.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE,
.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED,
.finalLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR,
},
[1] =
{
.format = demo->depth.format,
.samples = VK_SAMPLE_COUNT_1_BIT,
.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR,
.storeOp = VK_ATTACHMENT_STORE_OP_DONT_CARE,
.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE,
.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE,
.initialLayout =
VK_IMAGE_LAYOUT_UNDEFINED,
.finalLayout =
VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
},
};
const VkAttachmentReference color_reference = {
.attachment = 0, .layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
};
const VkAttachmentReference depth_reference = {
.attachment = 1,
.layout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
};
const VkSubpassDescription subpass = {
.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS,
.flags = 0,
.inputAttachmentCount = 0,
.pInputAttachments = NULL,
.colorAttachmentCount = 1,
.pColorAttachments = &color_reference,
.pResolveAttachments = NULL,
.pDepthStencilAttachment = &depth_reference,
.preserveAttachmentCount = 0,
.pPreserveAttachments = NULL,
};
const VkRenderPassCreateInfo rp_info = {
.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO,
.pNext = NULL,
.attachmentCount = 2,
.pAttachments = attachments,
.subpassCount = 1,
.pSubpasses = &subpass,
.dependencyCount = 0,
.pDependencies = NULL,
};
VkResult U_ASSERT_ONLY err;
err = vkCreateRenderPass(demo->device, &rp_info, NULL, &demo->render_pass);
assert(!err);
}
static VkShaderModule demo_prepare_vs(struct demo *demo) {
VkShaderModuleCreateInfo sh_info = {};
sh_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO;
#include "cube.vert.h"
sh_info.codeSize = sizeof(cube_vert);
sh_info.pCode = cube_vert;
VkResult U_ASSERT_ONLY err = vkCreateShaderModule(demo->device, &sh_info, NULL, &demo->vert_shader_module);
assert(!err);
return demo->vert_shader_module;
}
static VkShaderModule demo_prepare_fs(struct demo *demo) {
VkShaderModuleCreateInfo sh_info = {};
sh_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO;
#include "cube.frag.h"
sh_info.codeSize = sizeof(cube_frag);
sh_info.pCode = cube_frag;
VkResult U_ASSERT_ONLY err = vkCreateShaderModule(demo->device, &sh_info, NULL, &demo->frag_shader_module);
assert(!err);
return demo->frag_shader_module;
}
static void demo_prepare_pipeline(struct demo *demo) {
VkGraphicsPipelineCreateInfo pipeline;
VkPipelineCacheCreateInfo pipelineCache;
VkPipelineVertexInputStateCreateInfo vi;
VkPipelineInputAssemblyStateCreateInfo ia;
VkPipelineRasterizationStateCreateInfo rs;
VkPipelineColorBlendStateCreateInfo cb;
VkPipelineDepthStencilStateCreateInfo ds;
VkPipelineViewportStateCreateInfo vp;
VkPipelineMultisampleStateCreateInfo ms;
VkDynamicState dynamicStateEnables[VK_DYNAMIC_STATE_RANGE_SIZE];
VkPipelineDynamicStateCreateInfo dynamicState;
VkResult U_ASSERT_ONLY err;
memset(dynamicStateEnables, 0, sizeof dynamicStateEnables);
memset(&dynamicState, 0, sizeof dynamicState);
dynamicState.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO;
dynamicState.pDynamicStates = dynamicStateEnables;
memset(&pipeline, 0, sizeof(pipeline));
pipeline.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO;
pipeline.layout = demo->pipeline_layout;
memset(&vi, 0, sizeof(vi));
vi.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
memset(&ia, 0, sizeof(ia));
ia.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO;
ia.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
memset(&rs, 0, sizeof(rs));
rs.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO;
rs.polygonMode = VK_POLYGON_MODE_FILL;
rs.cullMode = VK_CULL_MODE_BACK_BIT;
rs.frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE;
rs.depthClampEnable = VK_FALSE;
rs.rasterizerDiscardEnable = VK_FALSE;
rs.depthBiasEnable = VK_FALSE;
rs.lineWidth = 1.0f;
memset(&cb, 0, sizeof(cb));
cb.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO;
VkPipelineColorBlendAttachmentState att_state[1];
memset(att_state, 0, sizeof(att_state));
att_state[0].colorWriteMask = 0xf;
att_state[0].blendEnable = VK_FALSE;
cb.attachmentCount = 1;
cb.pAttachments = att_state;
memset(&vp, 0, sizeof(vp));
vp.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO;
vp.viewportCount = 1;
dynamicStateEnables[dynamicState.dynamicStateCount++] =
VK_DYNAMIC_STATE_VIEWPORT;
vp.scissorCount = 1;
dynamicStateEnables[dynamicState.dynamicStateCount++] =
VK_DYNAMIC_STATE_SCISSOR;
memset(&ds, 0, sizeof(ds));
ds.sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO;
ds.depthTestEnable = VK_TRUE;
ds.depthWriteEnable = VK_TRUE;
ds.depthCompareOp = VK_COMPARE_OP_LESS_OR_EQUAL;
ds.depthBoundsTestEnable = VK_FALSE;
ds.back.failOp = VK_STENCIL_OP_KEEP;
ds.back.passOp = VK_STENCIL_OP_KEEP;
ds.back.compareOp = VK_COMPARE_OP_ALWAYS;
ds.stencilTestEnable = VK_FALSE;
ds.front = ds.back;
memset(&ms, 0, sizeof(ms));
ms.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO;
ms.pSampleMask = NULL;
ms.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT;
// Two stages: vs and fs
pipeline.stageCount = 2;
VkPipelineShaderStageCreateInfo shaderStages[2];
memset(&shaderStages, 0, 2 * sizeof(VkPipelineShaderStageCreateInfo));
shaderStages[0].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
shaderStages[0].stage = VK_SHADER_STAGE_VERTEX_BIT;
shaderStages[0].module = demo_prepare_vs(demo);
shaderStages[0].pName = "main";
shaderStages[1].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
shaderStages[1].stage = VK_SHADER_STAGE_FRAGMENT_BIT;
shaderStages[1].module = demo_prepare_fs(demo);
shaderStages[1].pName = "main";
memset(&pipelineCache, 0, sizeof(pipelineCache));
pipelineCache.sType = VK_STRUCTURE_TYPE_PIPELINE_CACHE_CREATE_INFO;
err = vkCreatePipelineCache(demo->device, &pipelineCache, NULL,
&demo->pipelineCache);
assert(!err);
pipeline.pVertexInputState = &vi;
pipeline.pInputAssemblyState = &ia;
pipeline.pRasterizationState = &rs;
pipeline.pColorBlendState = &cb;
pipeline.pMultisampleState = &ms;
pipeline.pViewportState = &vp;
pipeline.pDepthStencilState = &ds;
pipeline.pStages = shaderStages;
pipeline.renderPass = demo->render_pass;
pipeline.pDynamicState = &dynamicState;
pipeline.renderPass = demo->render_pass;
err = vkCreateGraphicsPipelines(demo->device, demo->pipelineCache, 1,
&pipeline, NULL, &demo->pipeline);
assert(!err);
vkDestroyShaderModule(demo->device, demo->frag_shader_module, NULL);
vkDestroyShaderModule(demo->device, demo->vert_shader_module, NULL);
}
static void demo_prepare_descriptor_pool(struct demo *demo) {
const VkDescriptorPoolSize type_counts[2] = {
[0] =
{
.type = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
.descriptorCount = 1,
},
[1] =
{
.type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
.descriptorCount = DEMO_TEXTURE_COUNT,
},
};
const VkDescriptorPoolCreateInfo descriptor_pool = {
.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO,
.pNext = NULL,
.maxSets = 1,
.poolSizeCount = 2,
.pPoolSizes = type_counts,
};
VkResult U_ASSERT_ONLY err;
err = vkCreateDescriptorPool(demo->device, &descriptor_pool, NULL,
&demo->desc_pool);
assert(!err);
}
static void demo_prepare_descriptor_set(struct demo *demo) {
VkDescriptorImageInfo tex_descs[DEMO_TEXTURE_COUNT];
VkWriteDescriptorSet writes[2];
VkResult U_ASSERT_ONLY err;
uint32_t i;
VkDescriptorSetAllocateInfo alloc_info = {
.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO,
.pNext = NULL,
.descriptorPool = demo->desc_pool,
.descriptorSetCount = 1,
.pSetLayouts = &demo->desc_layout};
err = vkAllocateDescriptorSets(demo->device, &alloc_info, &demo->desc_set);
assert(!err);
memset(&tex_descs, 0, sizeof(tex_descs));
for (i = 0; i < DEMO_TEXTURE_COUNT; i++) {
tex_descs[i].sampler = demo->textures[i].sampler;
tex_descs[i].imageView = demo->textures[i].view;
tex_descs[i].imageLayout = VK_IMAGE_LAYOUT_GENERAL;
}
memset(&writes, 0, sizeof(writes));
writes[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
writes[0].dstSet = demo->desc_set;
writes[0].descriptorCount = 1;
writes[0].descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
writes[0].pBufferInfo = &demo->uniform_data.buffer_info;
writes[1].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
writes[1].dstSet = demo->desc_set;
writes[1].dstBinding = 1;
writes[1].descriptorCount = DEMO_TEXTURE_COUNT;
writes[1].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
writes[1].pImageInfo = tex_descs;
vkUpdateDescriptorSets(demo->device, 2, writes, 0, NULL);
}
static void demo_prepare_framebuffers(struct demo *demo) {
VkImageView attachments[2];
attachments[1] = demo->depth.view;
const VkFramebufferCreateInfo fb_info = {
.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO,
.pNext = NULL,
.renderPass = demo->render_pass,
.attachmentCount = 2,
.pAttachments = attachments,
.width = demo->width,
.height = demo->height,
.layers = 1,
};
VkResult U_ASSERT_ONLY err;
uint32_t i;
demo->framebuffers = (VkFramebuffer *)malloc(demo->swapchainImageCount *
sizeof(VkFramebuffer));
assert(demo->framebuffers);
for (i = 0; i < demo->swapchainImageCount; i++) {
attachments[0] = demo->buffers[i].view;
err = vkCreateFramebuffer(demo->device, &fb_info, NULL,
&demo->framebuffers[i]);
assert(!err);
}
}
static void demo_prepare(struct demo *demo) {
VkResult U_ASSERT_ONLY err;
const VkCommandPoolCreateInfo cmd_pool_info = {
.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO,
.pNext = NULL,
.queueFamilyIndex = demo->graphics_queue_family_index,
.flags = 0,
};
err = vkCreateCommandPool(demo->device, &cmd_pool_info, NULL,
&demo->cmd_pool);
assert(!err);
const VkCommandBufferAllocateInfo cmd = {
.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO,
.pNext = NULL,
.commandPool = demo->cmd_pool,
.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY,
.commandBufferCount = 1,
};
err = vkAllocateCommandBuffers(demo->device, &cmd, &demo->cmd);
assert(!err);
VkCommandBufferBeginInfo cmd_buf_info = {
.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO,
.pNext = NULL,
.flags = 0,
.pInheritanceInfo = NULL,
};
err = vkBeginCommandBuffer(demo->cmd, &cmd_buf_info);
assert(!err);
demo_prepare_buffers(demo);
demo_prepare_depth(demo);
demo_prepare_textures(demo);
demo_prepare_cube_data_buffer(demo);
demo_prepare_descriptor_layout(demo);
demo_prepare_render_pass(demo);
demo_prepare_pipeline(demo);
for (uint32_t i = 0; i < demo->swapchainImageCount; i++) {
err =
vkAllocateCommandBuffers(demo->device, &cmd, &demo->buffers[i].cmd);
assert(!err);
}
if (demo->separate_present_queue) {
const VkCommandPoolCreateInfo cmd_pool_info = {
.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO,
.pNext = NULL,
.queueFamilyIndex = demo->present_queue_family_index,
.flags = 0,
};
err = vkCreateCommandPool(demo->device, &cmd_pool_info, NULL,
&demo->present_cmd_pool);
assert(!err);
const VkCommandBufferAllocateInfo cmd = {
.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO,
.pNext = NULL,
.commandPool = demo->present_cmd_pool,
.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY,
.commandBufferCount = 1,
};
for (uint32_t i = 0; i < demo->swapchainImageCount; i++) {
err = vkAllocateCommandBuffers(
demo->device, &cmd, &demo->buffers[i].graphics_to_present_cmd);
assert(!err);
demo_build_image_ownership_cmd(demo, i);
}
}
demo_prepare_descriptor_pool(demo);
demo_prepare_descriptor_set(demo);
demo_prepare_framebuffers(demo);
for (uint32_t i = 0; i < demo->swapchainImageCount; i++) {
demo->current_buffer = i;
demo_draw_build_cmd(demo, demo->buffers[i].cmd);
}
/*
* Prepare functions above may generate pipeline commands
* that need to be flushed before beginning the render loop.
*/
demo_flush_init_cmd(demo);
if (demo->staging_texture.image) {
demo_destroy_texture_image(demo, &demo->staging_texture);
}
demo->current_buffer = 0;
demo->prepared = true;
}
static void demo_cleanup(struct demo *demo) {
uint32_t i;
demo->prepared = false;
vkDeviceWaitIdle(demo->device);
// Wait for fences from present operations
for (i = 0; i < FRAME_LAG; i++) {
vkWaitForFences(demo->device, 1, &demo->fences[i], VK_TRUE, UINT64_MAX);
vkDestroyFence(demo->device, demo->fences[i], NULL);
vkDestroySemaphore(demo->device, demo->image_acquired_semaphores[i], NULL);
vkDestroySemaphore(demo->device, demo->draw_complete_semaphores[i], NULL);
if (demo->separate_present_queue) {
vkDestroySemaphore(demo->device, demo->image_ownership_semaphores[i], NULL);
}
}
for (i = 0; i < demo->swapchainImageCount; i++) {
vkDestroyFramebuffer(demo->device, demo->framebuffers[i], NULL);
}
free(demo->framebuffers);
vkDestroyDescriptorPool(demo->device, demo->desc_pool, NULL);
vkDestroyPipeline(demo->device, demo->pipeline, NULL);
vkDestroyPipelineCache(demo->device, demo->pipelineCache, NULL);
vkDestroyRenderPass(demo->device, demo->render_pass, NULL);
vkDestroyPipelineLayout(demo->device, demo->pipeline_layout, NULL);
vkDestroyDescriptorSetLayout(demo->device, demo->desc_layout, NULL);
for (i = 0; i < DEMO_TEXTURE_COUNT; i++) {
vkDestroyImageView(demo->device, demo->textures[i].view, NULL);
vkDestroyImage(demo->device, demo->textures[i].image, NULL);
vkFreeMemory(demo->device, demo->textures[i].mem, NULL);
vkDestroySampler(demo->device, demo->textures[i].sampler, NULL);
}
demo->fpDestroySwapchainKHR(demo->device, demo->swapchain, NULL);
vkDestroyImageView(demo->device, demo->depth.view, NULL);
vkDestroyImage(demo->device, demo->depth.image, NULL);
vkFreeMemory(demo->device, demo->depth.mem, NULL);
vkDestroyBuffer(demo->device, demo->uniform_data.buf, NULL);
vkFreeMemory(demo->device, demo->uniform_data.mem, NULL);
for (i = 0; i < demo->swapchainImageCount; i++) {
vkDestroyImageView(demo->device, demo->buffers[i].view, NULL);
vkFreeCommandBuffers(demo->device, demo->cmd_pool, 1,
&demo->buffers[i].cmd);
}
free(demo->buffers);
free(demo->queue_props);
vkDestroyCommandPool(demo->device, demo->cmd_pool, NULL);
if (demo->separate_present_queue) {
vkDestroyCommandPool(demo->device, demo->present_cmd_pool, NULL);
}
vkDestroyDevice(demo->device, NULL);
if (demo->validate) {
demo->DestroyDebugReportCallback(demo->inst, demo->msg_callback, NULL);
}
vkDestroySurfaceKHR(demo->inst, demo->surface, NULL);
vkDestroyInstance(demo->inst, NULL);
#if defined(VK_USE_PLATFORM_XLIB_KHR)
if (demo->use_xlib) {
XDestroyWindow(demo->display, demo->xlib_window);
XCloseDisplay(demo->display);
} else {
xcb_destroy_window(demo->connection, demo->xcb_window);
xcb_disconnect(demo->connection);
}
free(demo->atom_wm_delete_window);
#elif defined(VK_USE_PLATFORM_XCB_KHR)
xcb_destroy_window(demo->connection, demo->xcb_window);
xcb_disconnect(demo->connection);
free(demo->atom_wm_delete_window);
#endif
}
static void demo_resize(struct demo *demo) {
uint32_t i;
// Don't react to resize until after first initialization.
if (!demo->prepared) {
return;
}
// In order to properly resize the window, we must re-create the swapchain
// AND redo the command buffers, etc.
//
// First, perform part of the demo_cleanup() function:
demo->prepared = false;
vkDeviceWaitIdle(demo->device);
for (i = 0; i < demo->swapchainImageCount; i++) {
vkDestroyFramebuffer(demo->device, demo->framebuffers[i], NULL);
}
free(demo->framebuffers);
vkDestroyDescriptorPool(demo->device, demo->desc_pool, NULL);
vkDestroyPipeline(demo->device, demo->pipeline, NULL);
vkDestroyPipelineCache(demo->device, demo->pipelineCache, NULL);
vkDestroyRenderPass(demo->device, demo->render_pass, NULL);
vkDestroyPipelineLayout(demo->device, demo->pipeline_layout, NULL);
vkDestroyDescriptorSetLayout(demo->device, demo->desc_layout, NULL);
for (i = 0; i < DEMO_TEXTURE_COUNT; i++) {
vkDestroyImageView(demo->device, demo->textures[i].view, NULL);
vkDestroyImage(demo->device, demo->textures[i].image, NULL);
vkFreeMemory(demo->device, demo->textures[i].mem, NULL);
vkDestroySampler(demo->device, demo->textures[i].sampler, NULL);
}
vkDestroyImageView(demo->device, demo->depth.view, NULL);
vkDestroyImage(demo->device, demo->depth.image, NULL);
vkFreeMemory(demo->device, demo->depth.mem, NULL);
vkDestroyBuffer(demo->device, demo->uniform_data.buf, NULL);
vkFreeMemory(demo->device, demo->uniform_data.mem, NULL);
for (i = 0; i < demo->swapchainImageCount; i++) {
vkDestroyImageView(demo->device, demo->buffers[i].view, NULL);
vkFreeCommandBuffers(demo->device, demo->cmd_pool, 1,
&demo->buffers[i].cmd);
}
vkDestroyCommandPool(demo->device, demo->cmd_pool, NULL);
if (demo->separate_present_queue) {
vkDestroyCommandPool(demo->device, demo->present_cmd_pool, NULL);
}
free(demo->buffers);
// Second, re-perform the demo_prepare() function, which will re-create the
// swapchain:
demo_prepare(demo);
}
// On MS-Windows, make this a global, so it's available to WndProc()
struct demo demo;
#if defined(VK_USE_PLATFORM_XLIB_KHR)
static void demo_create_xlib_window(struct demo *demo) {
demo->display = XOpenDisplay(NULL);
long visualMask = VisualScreenMask;
int numberOfVisuals;
XVisualInfo vInfoTemplate={};
vInfoTemplate.screen = DefaultScreen(demo->display);
XVisualInfo *visualInfo = XGetVisualInfo(demo->display, visualMask,
&vInfoTemplate, &numberOfVisuals);
Colormap colormap = XCreateColormap(
demo->display, RootWindow(demo->display, vInfoTemplate.screen),
visualInfo->visual, AllocNone);
XSetWindowAttributes windowAttributes={};
windowAttributes.colormap = colormap;
windowAttributes.background_pixel = 0xFFFFFFFF;
windowAttributes.border_pixel = 0;
windowAttributes.event_mask =
KeyPressMask | KeyReleaseMask | StructureNotifyMask | ExposureMask;
demo->xlib_window = XCreateWindow(
demo->display, RootWindow(demo->display, vInfoTemplate.screen), 0, 0,
demo->width, demo->height, 0, visualInfo->depth, InputOutput,
visualInfo->visual,
CWBackPixel | CWBorderPixel | CWEventMask | CWColormap, &windowAttributes);
XSelectInput(demo->display, demo->xlib_window, ExposureMask | KeyPressMask);
XMapWindow(demo->display, demo->xlib_window);
XFlush(demo->display);
demo->xlib_wm_delete_window =
XInternAtom(demo->display, "WM_DELETE_WINDOW", False);
}
static void demo_handle_xlib_event(struct demo *demo, const XEvent *event) {
switch(event->type) {
case ClientMessage:
if ((Atom)event->xclient.data.l[0] == demo->xlib_wm_delete_window)
demo->quit = true;
break;
case KeyPress:
switch (event->xkey.keycode) {
case 0x9: // Escape
demo->quit = true;
break;
case 0x71: // left arrow key
demo->spin_angle += demo->spin_increment;
break;
case 0x72: // right arrow key
demo->spin_angle -= demo->spin_increment;
break;
case 0x41:
demo->pause = !demo->pause;
break;
}
break;
case ConfigureNotify:
if ((demo->width != event->xconfigure.width) ||
(demo->height != event->xconfigure.height)) {
demo->width = event->xconfigure.width;
demo->height = event->xconfigure.height;
demo_resize(demo);
}
break;
default:
break;
}
}
static void demo_run_xlib(struct demo *demo) {
while (!demo->quit) {
XEvent event;
if (demo->pause) {
XNextEvent(demo->display, &event);
demo_handle_xlib_event(demo, &event);
} else {
while (XPending(demo->display) > 0) {
XNextEvent(demo->display, &event);
demo_handle_xlib_event(demo, &event);
}
}
demo_update_data_buffer(demo);
demo_draw(demo);
demo->curFrame++;
if (demo->frameCount != INT32_MAX && demo->curFrame == demo->frameCount)
demo->quit = true;
}
}
#endif // VK_USE_PLATFORM_XLIB_KHR
#ifdef VK_USE_PLATFORM_XCB_KHR
static void demo_handle_xcb_event(struct demo *demo,
const xcb_generic_event_t *event) {
uint8_t event_code = event->response_type & 0x7f;
switch (event_code) {
case XCB_EXPOSE:
// TODO: Resize window
break;
case XCB_CLIENT_MESSAGE:
if ((*(xcb_client_message_event_t *)event).data.data32[0] ==
(*demo->atom_wm_delete_window).atom) {
demo->quit = true;
}
break;
case XCB_KEY_RELEASE: {
const xcb_key_release_event_t *key =
(const xcb_key_release_event_t *)event;
switch (key->detail) {
case 0x9: // Escape
demo->quit = true;
break;
case 0x71: // left arrow key
demo->spin_angle += demo->spin_increment;
break;
case 0x72: // right arrow key
demo->spin_angle -= demo->spin_increment;
break;
case 0x41:
demo->pause = !demo->pause;
break;
}
} break;
case XCB_CONFIGURE_NOTIFY: {
const xcb_configure_notify_event_t *cfg =
(const xcb_configure_notify_event_t *)event;
if ((demo->width != cfg->width) || (demo->height != cfg->height)) {
demo->width = cfg->width;
demo->height = cfg->height;
demo_resize(demo);
}
} break;
default:
break;
}
}
static void demo_run_xcb(struct demo *demo) {
xcb_flush(demo->connection);
while (!demo->quit) {
xcb_generic_event_t *event;
if (demo->pause) {
event = xcb_wait_for_event(demo->connection);
} else {
event = xcb_poll_for_event(demo->connection);
while(event) {
demo_handle_xcb_event(demo, event);
free(event);
event = xcb_poll_for_event(demo->connection);
}
}
demo_update_data_buffer(demo);
demo_draw(demo);
demo->curFrame++;
if (demo->frameCount != INT32_MAX && demo->curFrame == demo->frameCount)
demo->quit = true;
}
}
static void demo_create_xcb_window(struct demo *demo) {
uint32_t value_mask, value_list[32];
demo->xcb_window = xcb_generate_id(demo->connection);
value_mask = XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK;
value_list[0] = demo->screen->black_pixel;
value_list[1] = XCB_EVENT_MASK_KEY_RELEASE | XCB_EVENT_MASK_EXPOSURE |
XCB_EVENT_MASK_STRUCTURE_NOTIFY;
xcb_create_window(demo->connection, XCB_COPY_FROM_PARENT, demo->xcb_window,
demo->screen->root, 0, 0, demo->width, demo->height, 0,
XCB_WINDOW_CLASS_INPUT_OUTPUT, demo->screen->root_visual,
value_mask, value_list);
/* Magic code that will send notification when window is destroyed */
xcb_intern_atom_cookie_t cookie =
xcb_intern_atom(demo->connection, 1, 12, "WM_PROTOCOLS");
xcb_intern_atom_reply_t *reply =
xcb_intern_atom_reply(demo->connection, cookie, 0);
xcb_intern_atom_cookie_t cookie2 =
xcb_intern_atom(demo->connection, 0, 16, "WM_DELETE_WINDOW");
demo->atom_wm_delete_window =
xcb_intern_atom_reply(demo->connection, cookie2, 0);
xcb_change_property(demo->connection, XCB_PROP_MODE_REPLACE, demo->xcb_window,
(*reply).atom, 4, 32, 1,
&(*demo->atom_wm_delete_window).atom);
free(reply);
xcb_map_window(demo->connection, demo->xcb_window);
// Force the x/y coordinates to 100,100 results are identical in consecutive
// runs
const uint32_t coords[] = {100, 100};
xcb_configure_window(demo->connection, demo->xcb_window,
XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y, coords);
}
// VK_USE_PLATFORM_XCB_KHR
#endif
#if defined(VK_USE_PLATFORM_MAGMA_KHR)
static void demo_run_magma(struct demo *demo)
{
uint32_t num_frames = 60;
uint32_t elapsed_frames = 0;
static const float kMsPerSec =
std::chrono::milliseconds(std::chrono::seconds(1)).count();
float total_ms = 0;
auto t0 = std::chrono::high_resolution_clock::now();
while (!demo->quit) {
demo_update_data_buffer(demo);
auto t1 = std::chrono::high_resolution_clock::now();
std::chrono::duration<double, std::milli> elapsed = t1 - t0;
total_ms += elapsed.count();
t0 = t1;
if (elapsed_frames && (elapsed_frames % num_frames) == 0) {
float fps = num_frames / (total_ms / kMsPerSec);
printf("Framerate average for last %u frames: %f frames per second\n", num_frames,
fps);
total_ms = 0;
//attempt to log once per second
num_frames = fps;
elapsed_frames = 0;
}
demo_draw(demo);
demo->curFrame++;
elapsed_frames++;
if (demo->frameCount != INT32_MAX && demo->curFrame == demo->frameCount)
demo->quit = true;
}
}
#endif /**/
/*
* Return 1 (true) if all layer names specified in check_names
* can be found in given layer properties.
*/
static VkBool32 demo_check_layers(uint32_t check_count, const char **check_names,
uint32_t layer_count,
VkLayerProperties *layers) {
for (uint32_t i = 0; i < check_count; i++) {
VkBool32 found = 0;
for (uint32_t j = 0; j < layer_count; j++) {
if (!strcmp(check_names[i], layers[j].layerName)) {
found = 1;
break;
}
}
if (!found) {
fprintf(stderr, "Cannot find layer: %s\n", check_names[i]);
return 0;
}
}
return 1;
}
static void demo_init_vk(struct demo *demo) {
VkResult err;
uint32_t instance_extension_count = 0;
uint32_t instance_layer_count = 0;
uint32_t validation_layer_count = 0;
const char **instance_validation_layers = NULL;
demo->enabled_extension_count = 0;
demo->enabled_layer_count = 0;
const char *instance_validation_layers_alt1[] = {
"VK_LAYER_LUNARG_standard_validation"
};
const char *instance_validation_layers_alt2[] = {
"VK_LAYER_GOOGLE_threading", "VK_LAYER_LUNARG_parameter_validation",
"VK_LAYER_LUNARG_object_tracker", "VK_LAYER_LUNARG_core_validation",
"VK_LAYER_LUNARG_swapchain", "VK_LAYER_GOOGLE_unique_objects"
};
/* Look for validation layers */
VkBool32 validation_found = 0;
if (demo->validate) {
err = vkEnumerateInstanceLayerProperties(&instance_layer_count, NULL);
assert(!err);
instance_validation_layers = instance_validation_layers_alt1;
if (instance_layer_count > 0) {
VkLayerProperties *instance_layers = reinterpret_cast<VkLayerProperties*>(
malloc(sizeof (VkLayerProperties) * instance_layer_count));
err = vkEnumerateInstanceLayerProperties(&instance_layer_count,
instance_layers);
assert(!err);
validation_found = demo_check_layers(
ARRAY_SIZE(instance_validation_layers_alt1),
instance_validation_layers, instance_layer_count,
instance_layers);
if (validation_found) {
demo->enabled_layer_count = ARRAY_SIZE(instance_validation_layers_alt1);
demo->enabled_layers[0] = "VK_LAYER_LUNARG_standard_validation";
validation_layer_count = 1;
} else {
// use alternative set of validation layers
instance_validation_layers = instance_validation_layers_alt2;
demo->enabled_layer_count = ARRAY_SIZE(instance_validation_layers_alt2);
validation_found = demo_check_layers(
ARRAY_SIZE(instance_validation_layers_alt2),
instance_validation_layers, instance_layer_count,
instance_layers);
validation_layer_count =
ARRAY_SIZE(instance_validation_layers_alt2);
for (uint32_t i = 0; i < validation_layer_count; i++) {
demo->enabled_layers[i] = instance_validation_layers[i];
}
}
free(instance_layers);
}
if (!validation_found) {
ERR_EXIT("vkEnumerateInstanceLayerProperties failed to find "
"required validation layer.\n\n"
"Please look at the Getting Started guide for additional "
"information.\n",
"vkCreateInstance Failure");
}
}
/* Look for instance extensions */
VkBool32 surfaceExtFound = 0;
VkBool32 platformSurfaceExtFound = 0;
#if defined(VK_USE_PLATFORM_XLIB_KHR)
VkBool32 xlibSurfaceExtFound = 0;
#endif
memset(demo->extension_names, 0, sizeof(demo->extension_names));
err = vkEnumerateInstanceExtensionProperties(
NULL, &instance_extension_count, NULL);
assert(!err);
if (instance_extension_count > 0) {
VkExtensionProperties *instance_extensions = reinterpret_cast<VkExtensionProperties*>(
malloc(sizeof(VkExtensionProperties) * instance_extension_count));
err = vkEnumerateInstanceExtensionProperties(
NULL, &instance_extension_count, instance_extensions);
assert(!err);
for (uint32_t i = 0; i < instance_extension_count; i++) {
if (!strcmp(VK_KHR_SURFACE_EXTENSION_NAME,
instance_extensions[i].extensionName)) {
surfaceExtFound = 1;
demo->extension_names[demo->enabled_extension_count++] =
VK_KHR_SURFACE_EXTENSION_NAME;
}
#if defined(VK_USE_PLATFORM_XLIB_KHR)
if (!strcmp(VK_KHR_XLIB_SURFACE_EXTENSION_NAME,
instance_extensions[i].extensionName)) {
platformSurfaceExtFound = 1;
xlibSurfaceExtFound = 1;
demo->extension_names[demo->enabled_extension_count++] =
VK_KHR_XLIB_SURFACE_EXTENSION_NAME;
}
#endif
#if defined(VK_USE_PLATFORM_XCB_KHR)
if (!strcmp(VK_KHR_XCB_SURFACE_EXTENSION_NAME,
instance_extensions[i].extensionName)) {
platformSurfaceExtFound = 1;
demo->extension_names[demo->enabled_extension_count++] =
VK_KHR_XCB_SURFACE_EXTENSION_NAME;
}
#endif
#if defined(VK_USE_PLATFORM_MAGMA_KHR)
if (!strcmp(VK_KHR_MAGMA_SURFACE_EXTENSION_NAME,
instance_extensions[i].extensionName)) {
platformSurfaceExtFound = 1;
demo->extension_names[demo->enabled_extension_count++] =
VK_KHR_MAGMA_SURFACE_EXTENSION_NAME;
}
#endif
if (!strcmp(VK_EXT_DEBUG_REPORT_EXTENSION_NAME,
instance_extensions[i].extensionName)) {
if (demo->validate) {
demo->extension_names[demo->enabled_extension_count++] =
VK_EXT_DEBUG_REPORT_EXTENSION_NAME;
}
}
assert(demo->enabled_extension_count < 64);
}
free(instance_extensions);
}
if (!surfaceExtFound) {
ERR_EXIT("vkEnumerateInstanceExtensionProperties failed to find "
"the " VK_KHR_SURFACE_EXTENSION_NAME
" extension.\n\nDo you have a compatible "
"Vulkan installable client driver (ICD) installed?\nPlease "
"look at the Getting Started guide for additional "
"information.\n",
"vkCreateInstance Failure");
}
if (!platformSurfaceExtFound) {
#if defined(VK_USE_PLATFORM_XCB_KHR)
ERR_EXIT("vkEnumerateInstanceExtensionProperties failed to find "
"the " VK_KHR_XCB_SURFACE_EXTENSION_NAME
" extension.\n\nDo you have a compatible "
"Vulkan installable client driver (ICD) installed?\nPlease "
"look at the Getting Started guide for additional "
"information.\n",
"vkCreateInstance Failure");
#endif
#if defined(VK_USE_PLATFORM_MAGMA_KHR)
ERR_EXIT("vkEnumerateInstanceExtensionProperties failed to find "
"the " VK_KHR_MAGMA_SURFACE_EXTENSION_NAME
" extension.\n\nDo you have a compatible "
"Vulkan installable client driver (ICD) installed?\nPlease "
"look at the Getting Started guide for additional "
"information.\n",
"vkCreateInstance Failure");
#endif
}
#if defined(VK_USE_PLATFORM_XLIB_KHR)
if (demo->use_xlib && !xlibSurfaceExtFound) {
ERR_EXIT("vkEnumerateInstanceExtensionProperties failed to find "
"the " VK_KHR_XLIB_SURFACE_EXTENSION_NAME
" extension.\n\nDo you have a compatible "
"Vulkan installable client driver (ICD) installed?\nPlease "
"look at the Getting Started guide for additional "
"information.\n",
"vkCreateInstance Failure");
}
#endif
const VkApplicationInfo app = {
.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO,
.pNext = NULL,
.pApplicationName = APP_SHORT_NAME,
.applicationVersion = 0,
.pEngineName = APP_SHORT_NAME,
.engineVersion = 0,
.apiVersion = VK_API_VERSION_1_0,
};
VkInstanceCreateInfo inst_info = {
.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO,
.pNext = NULL,
.pApplicationInfo = &app,
.enabledLayerCount = demo->enabled_layer_count,
.ppEnabledLayerNames = (const char *const *)instance_validation_layers,
.enabledExtensionCount = demo->enabled_extension_count,
.ppEnabledExtensionNames = (const char *const *)demo->extension_names,
};
/*
* This is info for a temp callback to use during CreateInstance.
* After the instance is created, we use the instance-based
* function to register the final callback.
*/
VkDebugReportCallbackCreateInfoEXT dbgCreateInfo;
if (demo->validate) {
dbgCreateInfo.sType = VK_STRUCTURE_TYPE_DEBUG_REPORT_CREATE_INFO_EXT;
dbgCreateInfo.pNext = NULL;
dbgCreateInfo.pfnCallback = demo->use_break ? BreakCallback : dbgFunc;
dbgCreateInfo.pUserData = demo;
dbgCreateInfo.flags =
VK_DEBUG_REPORT_ERROR_BIT_EXT | VK_DEBUG_REPORT_WARNING_BIT_EXT;
inst_info.pNext = &dbgCreateInfo;
}
uint32_t gpu_count;
err = vkCreateInstance(&inst_info, NULL, &demo->inst);
if (err == VK_ERROR_INCOMPATIBLE_DRIVER) {
ERR_EXIT("Cannot find a compatible Vulkan installable client driver "
"(ICD).\n\nPlease look at the Getting Started guide for "
"additional information.\n",
"vkCreateInstance Failure");
} else if (err == VK_ERROR_EXTENSION_NOT_PRESENT) {
ERR_EXIT("Cannot find a specified extension library"
".\nMake sure your layers path is set appropriately.\n",
"vkCreateInstance Failure");
} else if (err) {
ERR_EXIT("vkCreateInstance failed.\n\nDo you have a compatible Vulkan "
"installable client driver (ICD) installed?\nPlease look at "
"the Getting Started guide for additional information.\n",
"vkCreateInstance Failure");
}
/* Make initial call to query gpu_count, then second call for gpu info*/
err = vkEnumeratePhysicalDevices(demo->inst, &gpu_count, NULL);
assert(!err && gpu_count > 0);
if (gpu_count > 0) {
VkPhysicalDevice *physical_devices = reinterpret_cast<VkPhysicalDevice*>(malloc(sizeof(VkPhysicalDevice) * gpu_count));
err = vkEnumeratePhysicalDevices(demo->inst, &gpu_count, physical_devices);
assert(!err);
/* For cube demo we just grab the first physical device */
demo->gpu = physical_devices[0];
free(physical_devices);
} else {
ERR_EXIT("vkEnumeratePhysicalDevices reported zero accessible devices.\n\n"
"Do you have a compatible Vulkan installable client driver (ICD) "
"installed?\nPlease look at the Getting Started guide for "
"additional information.\n",
"vkEnumeratePhysicalDevices Failure");
}
/* Look for device extensions */
uint32_t device_extension_count = 0;
VkBool32 swapchainExtFound = 0;
demo->enabled_extension_count = 0;
memset(demo->extension_names, 0, sizeof(demo->extension_names));
err = vkEnumerateDeviceExtensionProperties(demo->gpu, NULL,
&device_extension_count, NULL);
assert(!err);
if (device_extension_count > 0) {
VkExtensionProperties *device_extensions = reinterpret_cast<VkExtensionProperties*>(
malloc(sizeof(VkExtensionProperties) * device_extension_count));
err = vkEnumerateDeviceExtensionProperties(
demo->gpu, NULL, &device_extension_count, device_extensions);
assert(!err);
for (uint32_t i = 0; i < device_extension_count; i++) {
if (!strcmp(VK_KHR_SWAPCHAIN_EXTENSION_NAME,
device_extensions[i].extensionName)) {
swapchainExtFound = 1;
demo->extension_names[demo->enabled_extension_count++] =
VK_KHR_SWAPCHAIN_EXTENSION_NAME;
}
assert(demo->enabled_extension_count < 64);
}
free(device_extensions);
}
if (!swapchainExtFound) {
ERR_EXIT("vkEnumerateDeviceExtensionProperties failed to find "
"the " VK_KHR_SWAPCHAIN_EXTENSION_NAME
" extension.\n\nDo you have a compatible "
"Vulkan installable client driver (ICD) installed?\nPlease "
"look at the Getting Started guide for additional "
"information.\n",
"vkCreateInstance Failure");
}
if (demo->validate) {
demo->CreateDebugReportCallback =
(PFN_vkCreateDebugReportCallbackEXT)vkGetInstanceProcAddr(
demo->inst, "vkCreateDebugReportCallbackEXT");
demo->DestroyDebugReportCallback =
(PFN_vkDestroyDebugReportCallbackEXT)vkGetInstanceProcAddr(
demo->inst, "vkDestroyDebugReportCallbackEXT");
if (!demo->CreateDebugReportCallback) {
ERR_EXIT(
"GetProcAddr: Unable to find vkCreateDebugReportCallbackEXT\n",
"vkGetProcAddr Failure");
}
if (!demo->DestroyDebugReportCallback) {
ERR_EXIT(
"GetProcAddr: Unable to find vkDestroyDebugReportCallbackEXT\n",
"vkGetProcAddr Failure");
}
demo->DebugReportMessage =
(PFN_vkDebugReportMessageEXT)vkGetInstanceProcAddr(
demo->inst, "vkDebugReportMessageEXT");
if (!demo->DebugReportMessage) {
ERR_EXIT("GetProcAddr: Unable to find vkDebugReportMessageEXT\n",
"vkGetProcAddr Failure");
}
VkDebugReportCallbackCreateInfoEXT dbgCreateInfo;
PFN_vkDebugReportCallbackEXT callback;
callback = demo->use_break ? BreakCallback : dbgFunc;
dbgCreateInfo.sType = VK_STRUCTURE_TYPE_DEBUG_REPORT_CREATE_INFO_EXT;
dbgCreateInfo.pNext = NULL;
dbgCreateInfo.pfnCallback = callback;
dbgCreateInfo.pUserData = demo;
dbgCreateInfo.flags =
VK_DEBUG_REPORT_ERROR_BIT_EXT | VK_DEBUG_REPORT_WARNING_BIT_EXT;
err = demo->CreateDebugReportCallback(demo->inst, &dbgCreateInfo, NULL,
&demo->msg_callback);
switch (err) {
case VK_SUCCESS:
break;
case VK_ERROR_OUT_OF_HOST_MEMORY:
ERR_EXIT("CreateDebugReportCallback: out of host memory\n",
"CreateDebugReportCallback Failure");
break;
default:
ERR_EXIT("CreateDebugReportCallback: unknown failure\n",
"CreateDebugReportCallback Failure");
break;
}
}
vkGetPhysicalDeviceProperties(demo->gpu, &demo->gpu_props);
/* Call with NULL data to get count */
vkGetPhysicalDeviceQueueFamilyProperties(demo->gpu,
&demo->queue_family_count, NULL);
assert(demo->queue_family_count >= 1);
demo->queue_props = (VkQueueFamilyProperties *)malloc(
demo->queue_family_count * sizeof(VkQueueFamilyProperties));
vkGetPhysicalDeviceQueueFamilyProperties(
demo->gpu, &demo->queue_family_count, demo->queue_props);
// Query fine-grained feature support for this device.
// If app has specific feature requirements it should check supported
// features based on this query
VkPhysicalDeviceFeatures physDevFeatures;
vkGetPhysicalDeviceFeatures(demo->gpu, &physDevFeatures);
GET_INSTANCE_PROC_ADDR(demo->inst, GetPhysicalDeviceSurfaceSupportKHR);
GET_INSTANCE_PROC_ADDR(demo->inst, GetPhysicalDeviceSurfaceCapabilitiesKHR);
GET_INSTANCE_PROC_ADDR(demo->inst, GetPhysicalDeviceSurfaceFormatsKHR);
GET_INSTANCE_PROC_ADDR(demo->inst, GetPhysicalDeviceSurfacePresentModesKHR);
GET_INSTANCE_PROC_ADDR(demo->inst, GetSwapchainImagesKHR);
}
static void demo_create_device(struct demo *demo) {
VkResult U_ASSERT_ONLY err;
float queue_priorities[1] = {0.0};
VkDeviceQueueCreateInfo queues[2];
queues[0].sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
queues[0].pNext = NULL;
queues[0].queueFamilyIndex = demo->graphics_queue_family_index;
queues[0].queueCount = 1;
queues[0].pQueuePriorities = queue_priorities;
queues[0].flags = 0;
VkDeviceCreateInfo device = {
.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO,
.pNext = NULL,
.queueCreateInfoCount = 1,
.pQueueCreateInfos = queues,
.enabledLayerCount = 0,
.ppEnabledLayerNames = NULL,
.enabledExtensionCount = demo->enabled_extension_count,
.ppEnabledExtensionNames = (const char *const *)demo->extension_names,
.pEnabledFeatures =
NULL, // If specific features are required, pass them in here
};
if (demo->separate_present_queue) {
queues[1].sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
queues[1].pNext = NULL;
queues[1].queueFamilyIndex = demo->present_queue_family_index;
queues[1].queueCount = 1;
queues[1].pQueuePriorities = queue_priorities;
queues[1].flags = 0;
device.queueCreateInfoCount = 2;
}
err = vkCreateDevice(demo->gpu, &device, NULL, &demo->device);
assert(!err);
}
static void demo_init_vk_swapchain(struct demo *demo) {
VkResult U_ASSERT_ONLY err = VK_SUCCESS;
uint32_t i;
// Create a WSI surface for the window:
if (demo->use_xlib) {
#if defined(VK_USE_PLATFORM_XLIB_KHR)
VkXlibSurfaceCreateInfoKHR createInfo;
createInfo.sType = VK_STRUCTURE_TYPE_XLIB_SURFACE_CREATE_INFO_KHR;
createInfo.pNext = NULL;
createInfo.flags = 0;
createInfo.dpy = demo->display;
createInfo.window = demo->xlib_window;
err = vkCreateXlibSurfaceKHR(demo->inst, &createInfo, NULL,
&demo->surface);
#endif
}
else {
#if defined(VK_USE_PLATFORM_XCB_KHR)
VkXcbSurfaceCreateInfoKHR createInfo;
createInfo.sType = VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR;
createInfo.pNext = NULL;
createInfo.flags = 0;
createInfo.connection = demo->connection;
createInfo.window = demo->xcb_window;
err = vkCreateXcbSurfaceKHR(demo->inst, &createInfo, NULL, &demo->surface);
#elif defined(VK_USE_PLATFORM_MAGMA_KHR)
VkMagmaSurfaceCreateInfoKHR createInfo = {
.sType = VK_STRUCTURE_TYPE_MAGMA_SURFACE_CREATE_INFO_KHR,
.pNext = nullptr,
};
err = vkCreateMagmaSurfaceKHR(demo->inst, &createInfo, nullptr, &demo->surface);
#endif
}
assert(!err);
// Iterate over each queue to learn whether it supports presenting:
VkBool32 *supportsPresent =
(VkBool32 *)malloc(demo->queue_family_count * sizeof(VkBool32));
for (i = 0; i < demo->queue_family_count; i++) {
demo->fpGetPhysicalDeviceSurfaceSupportKHR(demo->gpu, i, demo->surface,
&supportsPresent[i]);
}
// Search for a graphics and a present queue in the array of queue
// families, try to find one that supports both
uint32_t graphicsQueueFamilyIndex = UINT32_MAX;
uint32_t presentQueueFamilyIndex = UINT32_MAX;
for (i = 0; i < demo->queue_family_count; i++) {
if ((demo->queue_props[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) != 0) {
if (graphicsQueueFamilyIndex == UINT32_MAX) {
graphicsQueueFamilyIndex = i;
}
if (supportsPresent[i] == VK_TRUE) {
graphicsQueueFamilyIndex = i;
presentQueueFamilyIndex = i;
break;
}
}
}
if (presentQueueFamilyIndex == UINT32_MAX) {
// If didn't find a queue that supports both graphics and present, then
// find a separate present queue.
for (i = 0; i < demo->queue_family_count; ++i) {
if (supportsPresent[i] == VK_TRUE) {
presentQueueFamilyIndex = i;
break;
}
}
}
// Generate error if could not find both a graphics and a present queue
if (graphicsQueueFamilyIndex == UINT32_MAX ||
presentQueueFamilyIndex == UINT32_MAX) {
ERR_EXIT("Could not find both graphics and present queues\n",
"Swapchain Initialization Failure");
}
demo->graphics_queue_family_index = graphicsQueueFamilyIndex;
demo->present_queue_family_index = presentQueueFamilyIndex;
demo->separate_present_queue =
(demo->graphics_queue_family_index != demo->present_queue_family_index);
free(supportsPresent);
demo_create_device(demo);
GET_DEVICE_PROC_ADDR(demo->device, CreateSwapchainKHR);
GET_DEVICE_PROC_ADDR(demo->device, DestroySwapchainKHR);
GET_DEVICE_PROC_ADDR(demo->device, GetSwapchainImagesKHR);
GET_DEVICE_PROC_ADDR(demo->device, AcquireNextImageKHR);
GET_DEVICE_PROC_ADDR(demo->device, QueuePresentKHR);
vkGetDeviceQueue(demo->device, demo->graphics_queue_family_index, 0,
&demo->graphics_queue);
if (!demo->separate_present_queue) {
demo->present_queue = demo->graphics_queue;
} else {
vkGetDeviceQueue(demo->device, demo->present_queue_family_index, 0,
&demo->present_queue);
}
// Get the list of VkFormat's that are supported:
uint32_t formatCount;
err = demo->fpGetPhysicalDeviceSurfaceFormatsKHR(demo->gpu, demo->surface,
&formatCount, NULL);
assert(!err);
VkSurfaceFormatKHR *surfFormats =
(VkSurfaceFormatKHR *)malloc(formatCount * sizeof(VkSurfaceFormatKHR));
err = demo->fpGetPhysicalDeviceSurfaceFormatsKHR(demo->gpu, demo->surface,
&formatCount, surfFormats);
assert(!err);
// If the format list includes just one entry of VK_FORMAT_UNDEFINED,
// the surface has no preferred format. Otherwise, at least one
// supported format will be returned.
if (formatCount == 1 && surfFormats[0].format == VK_FORMAT_UNDEFINED) {
demo->format = VK_FORMAT_B8G8R8A8_UNORM;
} else {
assert(formatCount >= 1);
demo->format = surfFormats[0].format;
}
demo->color_space = surfFormats[0].colorSpace;
demo->quit = false;
demo->curFrame = 0;
// Create semaphores to synchronize acquiring presentable buffers before
// rendering and waiting for drawing to be complete before presenting
VkSemaphoreCreateInfo semaphoreCreateInfo = {
.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO,
.pNext = NULL,
.flags = 0,