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// Copyright (c) 2018-2026 Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
//
// This code is licensed under the MIT license (MIT) (http://opensource.org/licenses/MIT)
#ifndef VKVG_DEVICE_INTERNAL_H
#define VKVG_DEVICE_INTERNAL_H
#include "vkvg_fonts.h"
#include "vkvg_internal.h"
#define STENCIL_FILL_MASK 0x80
#define STENCIL_CLIP_MASK 0x7F
#define STENCIL_ALL_BIT 0xFF
#define VKVG_MAX_CACHED_CONTEXT_COUNT 2
extern PFN_vkCmdBindPipeline CmdBindPipeline;
extern PFN_vkCmdBindDescriptorSets CmdBindDescriptorSets;
extern PFN_vkCmdBindIndexBuffer CmdBindIndexBuffer;
extern PFN_vkCmdBindVertexBuffers CmdBindVertexBuffers;
extern PFN_vkCmdDrawIndexed CmdDrawIndexed;
extern PFN_vkCmdDraw CmdDraw;
extern PFN_vkCmdSetStencilReference CmdSetStencilReference;
extern PFN_vkCmdBeginRenderPass CmdBeginRenderPass;
extern PFN_vkCmdEndRenderPass CmdEndRenderPass;
extern PFN_vkCmdSetViewport CmdSetViewport;
extern PFN_vkCmdSetScissor CmdSetScissor;
extern PFN_vkCmdPushConstants CmdPushConstants;
extern PFN_vkWaitForFences WaitForFences;
extern PFN_vkResetFences ResetFences;
extern PFN_vkResetCommandBuffer ResetCommandBuffer;
typedef struct _cached_ctx {
thrd_t thread;
VkvgContext ctx;
struct _cached_ctx* pNext;
} _cached_ctx;
typedef struct _surface_class* SurfaceClass;
DIAGNOSTIC_DISABLE_UNUSED
CTOR_ARRAY(SurfaceClass)
ARRAY_DEL_ELT(SurfaceClass)
DIAGNOSTIC_RESTORE_UNUSED
typedef struct _vkvg_device_t {
vkvg_status_t status; /**< Current status of device, affected by last operation */
VkDevice vkDev; /**< Vulkan Logical Device */
VkPhysicalDevice phy; /**< Vulkan Physical device */
VkInstance instance; /**< Vulkan instance */
VkPhysicalDeviceMemoryProperties phyMemProps; /**< Vulkan Physical device memory properties */
VkDeviceSize minUniformBufferOffsetAlignment; /**< stored for dynamic uniform buffer offsets */
VkImageTiling supportedTiling; /**< Supported image tiling for surface, 0xFF=no support */
VkFormat stencilFormat; /**< Supported vulkan image format for stencil */
VkImageAspectFlags stencilAspectFlag; /**< stencil only or depth stencil, could be solved by
VK_KHR_separate_depth_stencil_layouts*/
VkFormat pngStagFormat; /**< Supported vulkan image format png write staging img */
VkImageTiling pngStagTiling; /**< tiling for the blit operation */
mtx_t mutex; /**< protect device access (queue, cahes, ...)from ctxs in separate threads */
bool threadAware; /**< if true, mutex is created and guard device queue and caches access */
VkhQueue gQueue; /**< Vulkan Queue with Graphic flag */
atomic_int references; /**< Reference count, prevent destroying device if still in use */
VkCommandPool cmdPool; /**< Global command pool for processing on surfaces without context */
VkCommandBuffer cmd; /**< Global command buffer */
VkFence fence; /**< this fence is kept signaled when idle, wait and reset are called before each recording. */
VkPipelineCache pipelineCache; /**< speed up startup by caching configured pipelines on disk */
VkPipelineLayout pipelineLayout; /**< layout common to all pipelines */
VkDescriptorSetLayout dslFont; /**< font cache descriptors layout */
VkDescriptorSetLayout dslSrc; /**< context source surface descriptors layout */
VkDescriptorSetLayout dslGrad; /**< context gradient descriptors layout */
VkSampler smpFont; /**< font immutable sampler */
VkDescriptorPool descriptorPool;
VkDescriptorSet dummySrcSet;
VkDescriptorSet dummyGradSet;
VkhDevice vkhDev;
bool holdVkhDev; /**< vkhDevice should be destroyed */
bool deferredResolve; /**< if true, resolve only on context destruction and set as source */
font_cache_t* fontCache; /**< Store everything relative to common font caching system */
VkvgContext lastCtx; /**< last element of double linked list of context, used to trigger font caching system update
on all contexts*/
int32_t cachedContextMaxCount; /**< Maximum context cache element count.*/
int32_t cachedContextCount; /**< Current context cache element count.*/
_cached_ctx* cachedContextLast; /**< Last element of single linked list of saved context for fast reuse.*/
#ifdef VKVG_WIRED_DEBUG
VkPipeline pipelineWired;
VkPipeline pipelineLineList;
#endif
#if VKVG_DBG_STATS
vkvg_debug_stats_t debug_stats; /**< debug statistics on memory usage and vulkan ressources */
#endif
array_SurfaceClass surfaceClasses;
} vkvg_device;
#define LOCK_DEVICE \
if (dev->threadAware) \
mtx_lock(&dev->mutex);
#define UNLOCK_DEVICE \
if (dev->threadAware) \
mtx_unlock(&dev->mutex);
bool _device_try_get_phyinfo(VkhPhyInfo* phys, uint32_t phyCount, VkPhysicalDeviceType gpuType, VkhPhyInfo* phy);
bool _device_init_function_pointers(VkvgDevice dev);
void _device_create_empty_texture(VkvgDevice dev, VkFormat format, VkImageTiling tiling);
void _device_get_best_image_tiling(VkvgDevice dev, VkFormat format, VkImageTiling* pTiling);
void _device_check_best_image_tiling(VkvgDevice dev, VkFormat format);
void _device_create_pipeline_cache(VkvgDevice dev);
VkRenderPass _device_createRenderPassMS(VkvgDevice dev, VkAttachmentLoadOp loadOp, VkAttachmentLoadOp stencilLoadOp);
VkRenderPass _device_createRenderPassNoResolve(VkvgDevice dev, VkAttachmentLoadOp loadOp,
VkAttachmentLoadOp stencilLoadOp);
void _device_setupPipelines(VkvgDevice dev);
void _device_createDescriptorSetLayout(VkvgDevice dev);
void _device_allocalte_dummy_descriptors(VkvgDevice dev);
void _device_wait_idle(VkvgDevice dev);
void _device_wait_and_reset_device_fence(VkvgDevice dev);
void _device_submit_cmd(VkvgDevice dev, VkCommandBuffer* cmd, VkFence fence);
bool _device_try_get_cached_context(VkvgDevice dev, VkvgContext* pCtx);
void _device_store_context(VkvgContext ctx);
#endif
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