Update Log for the Vulkan-Docs repository on Github. This just summarizes the periodic public updates, not individual commits to the tree. For the most part, commits on Github are done as single large patches at the release point, collecting together the resolution of many Khronos internal and public issues. ----------------------------------------------------- February 16, 2016 - Vulkan 1.0 initial public release ----------------------------------------------------- Change log for February 25, 2015 Vulkan 1.0.4 spec update: * Bump API patch number from 3 to 4 for the first public update to the spec. Add patch number to the spec title (this will be done automatically from XML, later). * Fixes for numerous editorial issues. Regularize descriptions of variable-length array queries. Properly tag enumerants so they come out in the right font (many were mislabeled in usage tags in vk.xml, or not tagged). Spelling and markup corrections (public issue 4). * Fix typos and clearly separate description of different types of memory areas (public issue 5). * Use standards-compliant preprocessor guard symbols on headers (public issue 7). * Note that Github users can't currently set labels on issues, and recommend a fallback approach (public issue 15). * Use latexmath prefix on len= attributes (public issue 29). * Make flink:vkCmdUpdateBuffer pname:dataSize limit consistent (public issue 65). * Add VK_KHR_mirror_clamp_to_edge extension to core API branch, as an optional feature not introducing new commands or enums (internal issue 104). * Cleanup invariance language inherited from the GL specification to not refer to nonexistent (GL-specific) state (internal issue 111). * Modify the flink:vkCmdDrawIndexed pname:vertexOffset definition to not be the "base offset within the index buffer" but rather the "value added to the vertex index before indexing into the vertex buffer" (internal issue 118). * Fix drawing chapter in the "Programmable Primitive Shading" section where it described categories of drawing commands. It referenced flink:vkCmdDrawIndexed twice. Replace the second reference with flink:vkCmdDrawIndexedIndirect (internal issue 119). * Typo fixed in <> sparse memory example (internal issue 122). * Add flink:VkDisplayPlaneAlphaFlagsKHR to section of VK_KHR_display extension (internal issue 125) * Add missing optional="false,true" to flink:vkGetImageSparseMemoryRequirements pname:pSparseMemoryRequirementCount parameter (internal issue 132) * Rename ename:VK_STRUCTURE_TYPE_DEBUG_REPORT_CREATE_INFO_EXT to ename:VK_STRUCTURE_TYPE_DEBUG_REPORT_CALLBACK_CREATE_INFO_EXT (internal issue 133) * Fix a handful of broken cross-references in the <> chapter (internal issue 134). * Fix "Input Attachement" GLSL example to use correct syntax (internal issue 135). * Update XML schema and documentation to accomodate recently added attributes for validity. Add some introductory material describing design choices and pointing to the public repository to file issues. * Put include of validity in the core spec extensions chapter on its own line, so that asciidoc is happy. * Fix vertexOffset language to specify that it's the value added to the vertex index before indexing into the vertex buffer, not the base offset within the index buffer. * Fix error in the description of flink:vkCmdNextSubpass. ----------------------------------------------------- Change log for March 4, 2016 Vulkan 1.0.5 spec update: * Bump API patch number to 5 for this update. Github Issues: * Correctly describe slink:VkPhysicalDeviceProperties pname:deviceName member as a string, not a pointer to a string. Also one typo fix for "hetereogeneous" (public issue 4). * Replace maynot: macro with may: not, and "may: or maynot:" with "may:" (public issue 4). * Clarify that redundantly setting the state of a fence or event has no effect (public issue 4). * Minor fixes to ref pages to track descriptions of memory bits that changed in the core spec. Fix name of a member in the description of sname:sname:VkPipelineMultisampleStateCreateInfo (public issues 8, 13). * Remove redundant validity statement for sname:VkGraphicsPipelineCreateInfo::pname:stageCount (public issue 14). * Fix typos in chapters 7-9 (public issue 14). * Clarify the example demonstrating the behavior of code:OpMemoryBarrier in the <<shaders-execution-memory-ordering,shader memory acces ordering>> section (public issue 16). * Specify that freeing mapped memory implicitly unmaps the memory in the description of flink:vkFreeMemory (public issue 17). * Forbid allocation callbacks from calling into the API in the <<memory-allocation,memory allocation>> section (public issue 20). * Add missing validity rules about size being greater than 0 and offset being less than size of object. Fix flink:VkMappedMemoryRange's misinterpretation of offset (public issues 27, 31). * Add validity rule disallowing overlapping source/destination descriptors in flink:VkCopyDescriptorSet (public issue 32). * Clarify that array and matrix stride has to be a multiple of the base alignment of the array or matrix in the <<interfaces-resources-layout,Offset and Stride Assignment>> section (public issue 38). * Correct parenthesis floor nesting error in equation for <<textures-RGB-sexp,RGB to shared exponent conversion>>. Clarify case of when exp' is forced to 0, avoiding log2(0) undefined problem (public issue 40). * Remove redundant statement from the code:FragDepth description in the <<interfaces-builtin-variables,Built-In Variables>> section (public issue 47). * Define the clamping of the <<textures-level-of-detail-operation,bias added to the scale factor>> by linking to the slink:VkPhysicalDevice feature pname:maxSamplerLodBias (public issue 64). * Fix typo "optimal linear resources" and clarify the set of resources <<features-limits-bufferImageGranularity,the pname:bufferImageGranularity resource>> applies to (public issue 67). * Replace 'descriptor accessed by a pipeline' language for sname:VkDescriptorSetAllocateInfo with more precise phrasing about binding a descriptor set before a command that invokes work using that set (public issue 69). * tstripadj.svg contained an Inkscape tag which caused Firefox and IE 11 to fail to render it, and was illegal SVG. Generating Plain SVG from the Inkscape SVG source fixes this (public issue 70). * Fix validity for sname:VkVertexInputBindingDescription and sname:VkVertexInputAttributeDescription numbers (public issue 72). Internal Issues: * Clarify the meaning of ename:VK_FORMAT_FEATURE_SAMPLED_IMAGE_FILTER_LINEAR_BIT in elink:VkFormatFeatureFlagBits with respect to depth compare (internal issue 107). * Added a note explaining that ename:VK_QUEUE_TRANSFER_BIT may or may not be reported for a queue family that already supports ename:VK_QUEUE_GRAPHICS_BIT or ename:VK_QUEUE_COMPUTE_BIT as the former is a strict subset of the latter ones (internal issue 116). * Add validity language for sname:VkDescriptorSetAllocateInfo about exceeding the descriptor pool capacity (internal issue 140). * Add ename:VK_INCOMPLETE success code for flink:vkEnumeratePhysicalDevices query (internal issue 163). Other Commits: * Add the VK_NV_glsl_shader extension definitions to the API. * Update GL_KHR_vulkan_glsl with 1) origin_upper_left as default 2) specialization array constant semantics. * Corrected/updated Data Format Specification date. ----------------------------------------------------- Change log for March 10, 2016 Vulkan 1.0.6 spec update: * Bump API patch number and header version number to 6 for this update. Github Issues: * Define 'invocation group' for compute and graphics shaders. Cleanup definition and use of 'workgroup', and add glossary entries (public issue 1). * Various minor editorial fixes (public issue 33). * Clarify locations for block members in the <<interfaces-iointerfaces-locations,Location Assignment>> section (public issue 45). * Editorial fixes for <<commandbuffer-allocation,Command Buffer Allocation>> section (public issues 54, 59). * Clarify behavior of depth test in the <<fragops-depth,Depth Test>> section (public issues 80, 81). * Remove discussion of return codes from flink:vkGetPhysicalDeviceSparseImageFormatProperties and flink:vkGetImageSparseMemoryRequirements, which don't return values (public issue 82). * Allow flink:vkCmdDrawIndirect and flink:vkCmdDrawIndexedIndirect pname:drawCount of 0, as well as 1, when the multiDrawIndirect feature is not supported (public issue 88). * Remove confusing wording in the <<features-limits,Limits>> section describing the slink:VkPhysicalDeviceLimits pname:minTexelBufferOffsetAlignment, pname:minUniformBufferOffsetAlignment, and pname:minStorageBufferOffsetAlignment members as both minimums and maximums (public issue 91). * Clarified that only the RGB components should be affected in places where sRGB is referred to in the spec, such as ASTC formats. Minor re-wording to avoid "color space" when actively incorrect, now that we refer to the Data Format Spec which actually makes a distinction between color space and transfer function (public issue 94). * Treat pname:pPropertyCount == 0 consistently in flink:vkEnumerateInstanceLayerProperties and flink:vkEnumerateDeviceLayerProperties (public issue 99) * Cleanup minor editorial issues in chapters 14-17 (public issue 100). * Clarify definition of flink:vkEnumerateInstanceExtensionProperties and flink:vkEnumerateDeviceExtensionProperties (public issue 101). * Define the flink:vkEnumerateInstanceExtensionProperties and flink:vkEnumerateDeviceExtensionProperties pname:pLayerName parameter to be a pointer to a null-terminated UTF-8 string (public issue 101). * Rearrange "Missing information" references in mandatory format tables (public issue 101). * Clarify that the enumerated extensions returned by flink:vkEnumerateInstanceExtensionProperties and flink:vkEnumerateDeviceExtensionProperties will only include extensions provided by the platform or extensions implemented in implicitly enabled layers (public issue 101). * Miscellaneous editorial fixes. Include the Vulkan spec patch number in the PDF title. Fix label on <<fig-non-strict-lines,Non strict lines>> diagram. Use more easily distinguished symbols in tables in the <<features-required-format-support,Required Format Support>> section. Don't require FQDNs used as layer names be encoded in lower case if not possible, in the <<extensions-naming-conventions, Extension and Layer Naming Conventions>> section (public issues 101, 119, 121). Internal Issues: * Fixed excessive spacing in tables in XHTML (internal issue 18). * Clarify that ename:VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT applies to secondary command buffers. Previously spec only referred to the members of pname:pCommandBuffers being affected by this bit. Added a separate slink:VkSubmitInfo Valid Usage restriction specifying that ename:VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT also applies to any secondary command buffers that are recorded into the primary command buffers in pname:pCommandBuffers (internal issue 106). * Clarify that slink:VkDeviceCreateInfo::pname:pEnabledFeatures can be NULL (internal issue 117). * Remove "the value of" where it is redundant (e.g. speaking of an API parameter, struct member, or SPIR-V variable, but not when speaking of color components) (internal issue 175). * Forced patch version to always be 0 in the header. Add a "VK_API_VERSION__" macro for people to use to do the right thing. Add a VK_HEADER_VERSION which captures the header release number independent of the spec patch number (internal issue 176). * Correct description of slink:VkPipelineShaderStageCreateInfo::pname:pName to "a pointer to a null-terminated UTF-8 string" (internal issue #197). Other Commits: * Updated DataFormat spec reference to the new date for revision 5 of that spec. * Fixed KEEP option (to retain LaTeX intermediate files) in the Makefile to be included when edited there, as well as set on the command line. * Reserve and add "VK_IMG_filter_cubic" to the registry, and implement script functionality to add and remove validity from existing functions. Includes schema and readme changes. * Update GL_KHR_vulkan_glsl so push_constants do not have descriptor sets. ----------------------------------------------------- Change log for March 25, 2016 Vulkan 1.0.7 spec update: * Bump API patch number and header version number to 7 for this update. Github Issues: * Fix slink:VkSpecializationMapEntry example to avoid C/C++ strict aliasing issues (public issue 14). * Clarify the meaning of "matching" in flink:vkCmdBindDescriptorSets validity language (public issue 33). * Add stub reference pages so xrefs to not-yet-written pages don't generate 404 errors. However, the actual content of these pages still needs to be filled in as time allows (public issue 44, but does not close that issue out). * Remove incorrect validity statement for flink:vkGetImageSparseMemoryRequirements (public issue 85). * Reword the <> feature in terms of "aliasing", and clarify that it applies to bindings in the same memory object (public issue 90). * Clarify the relationship of the slink:VkPhysicalDeviceLimits pname:maxViewportDimensions and pname:viewportBoundsRange limits (public issue 92). * Specify sparse unbound texture replacement in the <> section independently of robust buffer access language (public issue 100). * Add the <> section to explain architecture constraints Vulkan has chosen to accept in order to enable portable and performant code (public issue 122). * State that an object must not be destroyed until *all* (not *any*) uses of that object have completed (public issue 123). * Minor editorial cleanup (public issues 129, 134, 146, 148). * Add validity language for layer and extension names to slink:VkDeviceCreateInfo matching that used for slink:VkInstanceCreateInfo (public issue 130). * Clean up terminology for the case when the bits set in one bitmask are a subset of the bits set in another bitmask (public issue 138). * Document that input attachments are UniformConstant not Input, in the <> section (public glslang bug 169). Internal Issues: * Add max enum values to "flag bits" enums (internal issue #136). * Clarify language around the various uses of the term "block" in the <> section (internal issue #202). * Removed "expand" dependency from groups in vk.xml and added auto-generation code in the scripts to infer it instead, to ensure consistency. This caused renaming of sname:VkColorSpaceKHR and sname:VkPresentModeKHR etext:BEGIN_RANGE (etc.) tokens, but those tokens are metadata, not part of the API, and the Vulkan WG is OK with this change. This change adds ranges to two additional enums that were missing them due to not defining the "expand" attribute (internal issue 217). * Tweak makefile to generate ref page nroff (.3) files in the right output directory, working around an a2x limitation (internal issue 223). Other Commits: * Add validity requirements for flink:vkCmdCopyQueryPoolResults pname:dstBuffer parameter. * Fix ref page build to generate .3 targets in the right output directory.