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 diff --git a/doc/specs/vulkan/appendices/VK_EXT_blend_operation_advanced.txt b/doc/specs/vulkan/appendices/VK_EXT_blend_operation_advanced.txtindex f6b9701..5244152 100644--- a/doc/specs/vulkan/appendices/VK_EXT_blend_operation_advanced.txt+++ b/doc/specs/vulkan/appendices/VK_EXT_blend_operation_advanced.txt@@ -53,9 +53,9 @@ according to the pname:srcPremultiplied and pname:dstPremultiplied members of slink:VkPipelineColorBlendAdvancedStateCreateInfoEXT. If a color is considered non-premultiplied, the (R,G,B) color components are multiplied by the alpha component prior to blending.-For non-premultiplied color components in the range eq#[0,1]#, the+For non-premultiplied color components in the range [eq]#[0,1]#, the corresponding premultiplied color component would have values in the range-eq#[0 {times} A, 1 {times} A]#.+[eq]#[0 {times} A, 1 {times} A]#. Many of these advanced blending equations are formulated where the result of blending source and destination colors with partial coverage have threediff --git a/doc/specs/vulkan/appendices/VK_NV_clip_space_w_scaling.txt b/doc/specs/vulkan/appendices/VK_NV_clip_space_w_scaling.txtindex 642b759..416d240 100644--- a/doc/specs/vulkan/appendices/VK_NV_clip_space_w_scaling.txt+++ b/doc/specs/vulkan/appendices/VK_NV_clip_space_w_scaling.txt@@ -18,27 +18,28 @@ to the final post-processed image. This extension provides a mechanism to render VR scenes at a non-uniform resolution, in particular a resolution that falls linearly from the center towards the edges.-This is achieved by scaling the "w" coordinate of the vertices in the clip-space before perspective divide.-The clip space "w" coordinate of the vertices can: be offset as of a-function of "x" and "y" coordinates as follows:+This is achieved by scaling the [eq]#w# coordinate of the vertices in the+clip space before perspective divide.+The clip space [eq]#w# coordinate of the vertices can: be offset as of a+function of [eq]#x# and [eq]#y# coordinates as follows: - w' = w + Ax + By+[eq]#w' = w + Ax + By# In the intended use case for viewport position scaling, an application should use a set of 4 viewports, one for each of the 4 quadrants of a Cartesian coordinate system. Each viewport is set to the dimension of the image, but is scissored to the quadrant it represents.-The application should specify A and B coefficients of the w-scaling-equation above, that have the same value, but different signs, for each of-the viewports.-The signs of A and B should match the signs of X and Y for the quadrant that-they represent such that the value of "w'" will always be greater than or-equal to the original "w" value for the entire image.-Since the offset to "w", (Ax + By), is always positive and increases with-the absolute values of "x" and "y", the effective resolution will fall off-linearly from the center of the image to its edges.+The application should specify [eq]#A# and [eq]#B# coefficients of the+[eq]#w#-scaling equation above, that have the same value, but different+signs, for each of the viewports.+The signs of [eq]#A# and [eq]#B# should match the signs of [eq]#x# and+[eq]#y# for the quadrant that they represent such that the value of [eq]#w'#+will always be greater than or equal to the original [eq]#w# value for the+entire image.+Since the offset to [eq]#w#, ([eq]#Ax + By#), is always positive, and+increases with the absolute values of [eq]#x# and [eq]#y#, the effective+resolution will fall off linearly from the center of the image to its edges. === New Object Types diff --git a/doc/specs/vulkan/appendices/VK_NV_viewport_swizzle.txt b/doc/specs/vulkan/appendices/VK_NV_viewport_swizzle.txtindex f299f00..e55a05d 100644--- a/doc/specs/vulkan/appendices/VK_NV_viewport_swizzle.txt+++ b/doc/specs/vulkan/appendices/VK_NV_viewport_swizzle.txt@@ -20,10 +20,10 @@ single-pass cubemap rendering (broadcasting a primitive to multiple faces and reorienting the vertex position for each face) and voxel rasterization. The per-viewport component remapping and negation provided by the swizzle allows application code to re-orient three-dimensional geometry with a view-along any of the X, Y, or Z axes.-If a perspective projection and depth buffering is required, 1/W buffering-should be used, as described in the single-pass cubemap rendering example in the "Issues" section below.+along any of the *X*, *Y*, or *Z* axes.+If a perspective projection and depth buffering is required, [eq]#1/W#+buffering should be used, as described in the single-pass cubemap rendering example in === New Object Types@@ -74,8 +74,8 @@ rendering to a cubemap. In this example, the application would attach a cubemap texture to a layered FBO where the six cube faces are treated as layers. Vertices are sent through the vertex shader without applying a projection-matrix, where the gl_Position output is (x,y,z,1) and the center of the-cubemap is at (0,0,0).+matrix, where the code:gl_Position output is [eq]#(x,y,z,1)# and the center+of the cubemap is at [eq]#(0,0,0)#. With unextended Vulkan, one could have a conventional instanced geometry shader that looks something like the following: @@ -184,39 +184,40 @@ not need to be modified as part of this coordinate transformation. Note that while the rotate() operation in the regular geometry shader above could include an arbitrary post-rotation projection matrix, the viewport swizzle does not support arbitrary math.-To get proper projection, 1/W buffering should be used.+To get proper projection, [eq]#1/W# buffering should be used. To do this: 1.-Program the viewport swizzles to move the pre-projection W eye coordinate-(typically 1.0) into the Z coordinate of the swizzle output and the eye-coordinate component used for depth into the W coordinate.-For example, the viewport corresponding to the +Z face might use a swizzle-of (+X, -Y, +W, +Z).-The Z normalized device coordinate computed after swizzling would then be-z'/w' = 1/Z_eye.+Program the viewport swizzles to move the pre-projection [eq]#W# eye+coordinate (typically 1.0) into the [eq]#Z# coordinate of the swizzle output+and the eye coordinate component used for depth into the [eq]#W# coordinate.+For example, the viewport corresponding to the [eq]#+Z# face might use a+swizzle of [eq]#(+X, -Y, +W, +Z)#.+The [eq]#Z# normalized device coordinate computed after swizzling would then+be [eq]#z'/w' = 1/Z~eye~#. 2. On NVIDIA implementations supporting floating-point depth buffers with-values outside [0,1], prevent unwanted near plane clipping by enabling+values outside [eq]#[0,1]#, prevent unwanted near plane clipping by enabling DEPTH_CLAMP. Ensure that the depth clamp doesn't mess up depth testing by programming the-depth range to very large values, such as minDepthBounds=-z,-maxDepthBounds=+z), where z == 2^127.-It should be possible to use IEEE infinity encodings also (0xFF800000 for--INF, 0x7F800000 for +INF).+depth range to very large values, such as [eq]#pname:minDepthBounds=-z#,+[eq]#pname:maxDepthBounds=+z#, where [eq]#z = 2^127^#.+It should be possible to use IEEE infinity encodings also (0xFF800000 for+-INF, 0x7F800000 for +INF). Even when near/far clipping is disabled, primitives extending behind the eye-will still be clipped because one or more vertices will have a negative W-coordinate and fail X/Y clipping tests.+will still be clipped because one or more vertices will have a negative+[eq]#W# coordinate and fail [eq]#X#/[eq]#Y# clipping tests. -On other implementations, scale X, Y, and Z eye coordinates so that vertices-on the near plane have a post-swizzle W coordinate of 1.0.-For example, if the near plane is at Z_eye = 1/256, scale X, Y, and Z by-256.+On other implementations, scale [eq]#X#, [eq]#Y#, and [eq]#Z# eye+coordinates so that vertices on the near plane have a post-swizzle [eq]#W#+coordinate of 1.0.+For example, if the near plane is at [eq]#Z~eye~ = 1/256#, scale [eq]#X#,+[eq]#Y#, and [eq]#Z# by 256. 3.-Adjust depth testing to reflect the fact that 1/W values are large near the-eye and small away from the eye.+Adjust depth testing to reflect the fact that [eq]#1/W# values are large+near the eye and small away from the eye. Clear the depth buffer to zero (infinitely far away) and use a depth test of GREATER instead of LESS. diff --git a/doc/specs/vulkan/chapters/VK_KHR_surface/wsi.txt b/doc/specs/vulkan/chapters/VK_KHR_surface/wsi.txtindex 33b6144..fc3bdcf 100644--- a/doc/specs/vulkan/chapters/VK_KHR_surface/wsi.txt+++ b/doc/specs/vulkan/chapters/VK_KHR_surface/wsi.txt@@ -821,7 +821,7 @@ E = (\frac{c_1 + c_2 \times L^{m_1}}{1 + c_3 \times L^{m_1}})^{m_2} \] +++++++++++++++++++ - where:+where: latexmath:[m_1 = 2610 / 4096 \times \frac{1}{4} = 0.1593017578125] + latexmath:[m_2 = 2523 / 4096 \times 128 = 78.84375] +@@ -843,12 +843,9 @@ E & = \end{aligned} +++++++++++++++++++ -latexmath:[L \text{ - is the signal normalized by the reference white-level}] +-latexmath:[r \text{ - is the reference white level and has a signal value of-0.5}] +-latexmath:[a = 0.17883277 \text{ and } b = 0.28466892 \text{, and } c =-0.55991073]+[eq]#_L_# -- is the signal normalized by the reference white level ++[eq]#_r_# -- is the reference white level and has a signal value of 0.5 ++[eq]#_a_ = 0.17883277# and [eq]#_b_ = 0.28466892# and [eq]#_c_ = 0.55991073# === Adobe RGB (1998) OETFdiff --git a/doc/specs/vulkan/chapters/copies.txt b/doc/specs/vulkan/chapters/copies.txtindex 2778d30..de36b05 100644--- a/doc/specs/vulkan/chapters/copies.txt+++ b/doc/specs/vulkan/chapters/copies.txt@@ -1322,11 +1322,11 @@ pname:layerCount layers are blitted to the destination image. Slices in the source region bounded by pname:srcOffsets[0].pname:z and pname:srcOffsets[1].pname:z are copied to slices in the destination region bounded by pname:dstOffsets[0].pname:z and pname:dstOffsets[1].pname:z.-For each destination slice, a source z coordinate is linearly interpolated+For each destination slice, a source *z* coordinate is linearly interpolated between pname:srcOffsets[0].pname:z and pname:srcOffsets[1].pname:z. If the pname:filter parameter is ename:VK_FILTER_LINEAR then the value sampled from the source image is taken by doing linear filtering using the-interpolated z coordinate.+interpolated *z* coordinate. If pname:filter parameter is ename:VK_FILTER_NEAREST then value sampled from the source image is taken from the single nearest slice (with undefined rounding mode).diff --git a/doc/specs/vulkan/chapters/descriptorsets.txt b/doc/specs/vulkan/chapters/descriptorsets.txtindex 302becc..42d0494 100644--- a/doc/specs/vulkan/chapters/descriptorsets.txt+++ b/doc/specs/vulkan/chapters/descriptorsets.txt@@ -1799,8 +1799,8 @@ structure, as specified below. [[descriptorsets-updates-consecutive, consecutive binding updates]] If the pname:dstBinding has fewer than pname:descriptorCount array elements remaining starting from pname:dstArrayElement, then the remainder will be-used to update the subsequent binding - pname:dstBinding+1 starting at array-element zero.+used to update the subsequent binding - [eq]#pname:dstBinding+1# starting at+array element zero. If a binding has a pname:descriptorCount of zero, it is skipped. This behavior applies recursively, with the update affecting consecutive bindings as needed to update all pname:descriptorCount descriptors.diff --git a/doc/specs/vulkan/chapters/features.txt b/doc/specs/vulkan/chapters/features.txtindex 18efa9c..d8538b0 100644--- a/doc/specs/vulkan/chapters/features.txt+++ b/doc/specs/vulkan/chapters/features.txt@@ -3403,8 +3403,8 @@ ifdef::VK_KHR_sampler_ycbcr_conversion[] plane 1, and a 16-bit R component in each 16-bit word of plane 2. The horizontal and vertical dimensions of the R and B planes are halved relative to the image dimensions, and each R and B component is shared- with the G components for which latexmath:[\lfloor i_G \times 0.5\- rfloor = i_B = i_R] and latexmath:[\lfloor j_G \times 0.5 \rfloor = j_B+ with the G components for which latexmath:[\lfloor i_G \times 0.5+ \rfloor = i_B = i_R] and latexmath:[\lfloor j_G \times 0.5 \rfloor = j_B = j_R]. The location of each plane when this image is in linear layout can be determined via vkGetImageSubresourceLayout, usingdiff --git a/doc/specs/vulkan/chapters/interfaces.txt b/doc/specs/vulkan/chapters/interfaces.txtindex 03768a8..90687bc 100644--- a/doc/specs/vulkan/chapters/interfaces.txt+++ b/doc/specs/vulkan/chapters/interfaces.txt@@ -1172,9 +1172,9 @@ the code:Output storage class. + The variable decorated with code:FragStencilRefEXT must: be declared as a scalar integer value.-Only the least significant [eq]#s# bits of the integer value of the variable+Only the least significant *s* bits of the integer value of the variable decorated with code:FragStencilRefEXT are considered for stencil testing,-where [eq]#s# is the number of bits in the stencil framebuffer attachment,+where *s* is the number of bits in the stencil framebuffer attachment, and higher order bits are discarded. endif::VK_EXT_shader_stencil_export[]diff --git a/doc/specs/vulkan/chapters/textures.txt b/doc/specs/vulkan/chapters/textures.txtindex 0f6748a..ea228ef 100644--- a/doc/specs/vulkan/chapters/textures.txt+++ b/doc/specs/vulkan/chapters/textures.txt@@ -1707,7 +1707,7 @@ The LOD parameter [eq]#{lambda}# is computed as follows: \begin{aligned} \lambda_{base}(x,y) & = \begin{cases}- shaderOp.Lod & \text{(from optional: SPIR-V operand)} \\+ shaderOp.Lod & \text{(from optional SPIR-V operand)} \\ \log_2 \left ( \frac{\rho_{max}}{N} \right ) & \text{otherwise} \end{cases} \\ \lambda'(x,y) & = \lambda_{base} + \mathbin{clamp}(sampler.bias + shaderOp.bias,-maxSamplerLodBias,maxSamplerLodBias) \\@@ -1729,13 +1729,13 @@ where: sampler.bias & = mipLodBias & \text{(from sampler descriptor)} \\ shaderOp.bias & = \begin{cases}- Bias & \text{(from optional: SPIR-V operand)} \\+ Bias & \text{(from optional SPIR-V operand)} \\ 0 & \text{otherwise} \end{cases} \\ sampler.lod_{min} & = minLod & \text{(from sampler descriptor)} \\ shaderOp.lod_{min} & = \begin{cases}- MinLod & \text{(from optional: SPIR-V operand)} \\+ MinLod & \text{(from optional SPIR-V operand)} \\ 0 & \text{otherwise} \end{cases} \\ \\@@ -1760,7 +1760,7 @@ computed based on the LOD parameter, as follows: \begin{aligned} d_{l} = \begin{cases}- nearest(d'), & \text{mipmapMode is VK_SAMPLER_MIPMAP_MODE_NEAREST} \\+ nearest(d'), & \text{mipmapMode is VK\_SAMPLER\_MIPMAP\_MODE\_NEAREST} \\ d', & \text{otherwise} \end{cases} \end{aligned}