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libs/gl.git
3 years agoRequire conditions to be booleans
Mikko Rasa [Tue, 6 Apr 2021 21:21:23 +0000 (00:21 +0300)]
Require conditions to be booleans

3 years agoDisallow certain types from appearing on variables
Mikko Rasa [Tue, 6 Apr 2021 21:17:02 +0000 (00:17 +0300)]
Disallow certain types from appearing on variables

3 years agoAdjust GLSL builtins
Mikko Rasa [Tue, 6 Apr 2021 09:54:06 +0000 (12:54 +0300)]
Adjust GLSL builtins

Remove some functions which are complicated to implement in SPIR-V due
to the use of ad-hoc struct types or pointers.  I may add them back
later if there turns out to be some use for them.

Add inline definitions for some overloads taking mixed vector and scalar
arguments.  SPIR-V operations require all operands to have the same
number of elements.  Builtin functions are always inlined even if used
more than once.

3 years agoLeave no-op constructors as they are
Mikko Rasa [Tue, 6 Apr 2021 09:48:44 +0000 (12:48 +0300)]
Leave no-op constructors as they are

In particular, don't break a matrix down into columns and construct
it again.  These could just be removed from the AST entirely, but the
expression resolver currently does not do node replacement and it's
easier to just skip this in the backend.

3 years agoFix GLSL member access index calculation
Mikko Rasa [Tue, 6 Apr 2021 09:46:48 +0000 (12:46 +0300)]
Fix GLSL member access index calculation

Also show it in debug output

3 years agoRefactor layout qualifier creation with constructors
Mikko Rasa [Mon, 5 Apr 2021 13:54:49 +0000 (16:54 +0300)]
Refactor layout qualifier creation with constructors

3 years agoShow label for all interface blocks in GLSL debug output
Mikko Rasa [Mon, 5 Apr 2021 13:47:07 +0000 (16:47 +0300)]
Show label for all interface blocks in GLSL debug output

3 years agoTrack composite assignments and references in UnusedVariableRemover
Mikko Rasa [Mon, 5 Apr 2021 13:46:11 +0000 (16:46 +0300)]
Track composite assignments and references in UnusedVariableRemover

3 years agoRefactor add_to_chain as a common utility function
Mikko Rasa [Mon, 5 Apr 2021 13:44:16 +0000 (16:44 +0300)]
Refactor add_to_chain as a common utility function

3 years agoMark all expression result types as used
Mikko Rasa [Mon, 5 Apr 2021 12:59:36 +0000 (15:59 +0300)]
Mark all expression result types as used

UnusedTypeRemover was missing several expression node types.  Now it
handles expressions through the general expression mechanism.

3 years agoMake DumpTree able to dump arbitrary nodes
Mikko Rasa [Mon, 5 Apr 2021 12:43:02 +0000 (15:43 +0300)]
Make DumpTree able to dump arbitrary nodes

Remove that ability from Formatter since it makes assumptions about the
state of the nodes, like certain references existing.

3 years agoDon't return references from apply functions
Mikko Rasa [Mon, 5 Apr 2021 12:22:40 +0000 (15:22 +0300)]
Don't return references from apply functions

It's somewhat error prone, even though it hasn't caused any problems
yet.

3 years agoAlways use member access for interface blocks, even anonymous ones
Mikko Rasa [Mon, 5 Apr 2021 11:49:41 +0000 (14:49 +0300)]
Always use member access for interface blocks, even anonymous ones

Having variable references magically refer to variables inside interface
blocks causes trouble when generating SPIR-V.

This currently breaks one test case because UnusedVariableRemover can't
track access chains.

3 years agoOutput the interface block as is in the AST dump
Mikko Rasa [Mon, 5 Apr 2021 11:13:36 +0000 (14:13 +0300)]
Output the interface block as is in the AST dump

This is more useful for debugging

3 years agoChange the naming scheme for the interface block map
Mikko Rasa [Mon, 5 Apr 2021 11:08:21 +0000 (14:08 +0300)]
Change the naming scheme for the interface block map

Adding a space in the keys for block name makes it impossible for them to
conflict with identifiers and allows instance names to be used directly.

3 years agoRecognize matrix data order qualifiers and add one if missing
Mikko Rasa [Mon, 5 Apr 2021 09:28:11 +0000 (12:28 +0300)]
Recognize matrix data order qualifiers and add one if missing

3 years agoRequire initializers on constant variables
Mikko Rasa [Mon, 5 Apr 2021 09:25:49 +0000 (12:25 +0300)]
Require initializers on constant variables

3 years agoOffset layout qualifiers are only allowed on uniform block members
Mikko Rasa [Mon, 5 Apr 2021 09:25:12 +0000 (12:25 +0300)]
Offset layout qualifiers are only allowed on uniform block members

Same goes for the alignment qualifier.

3 years agoAdd visitors to calculate offsets of struct members
Mikko Rasa [Sun, 4 Apr 2021 09:35:00 +0000 (12:35 +0300)]
Add visitors to calculate offsets of struct members

It's not used yet, but will be required for creating SPIR-V modules.

3 years agoMake function dependency collection its own visitor class
Mikko Rasa [Sun, 4 Apr 2021 08:38:42 +0000 (11:38 +0300)]
Make function dependency collection its own visitor class

I need it for creating SPIR-V entry points too.

3 years agoStore the index of the member in MemberAccess
Mikko Rasa [Sun, 4 Apr 2021 08:32:31 +0000 (11:32 +0300)]
Store the index of the member in MemberAccess

3 years agoFix mismatched new[]/delete
Mikko Rasa [Sat, 3 Apr 2021 20:01:12 +0000 (23:01 +0300)]
Fix mismatched new[]/delete

3 years agoRearrange some utility struct constructors
Mikko Rasa [Sat, 3 Apr 2021 20:00:55 +0000 (23:00 +0300)]
Rearrange some utility struct constructors

3 years agoGuard against hitting the end of the array in get_gl_type
Mikko Rasa [Sat, 3 Apr 2021 19:58:51 +0000 (22:58 +0300)]
Guard against hitting the end of the array in get_gl_type

3 years agoComments and cosmetic cleanups
Mikko Rasa [Sat, 3 Apr 2021 19:56:09 +0000 (22:56 +0300)]
Comments and cosmetic cleanups

3 years agoDo an early return from Mesh::draw if there's no data
Mikko Rasa [Sat, 3 Apr 2021 18:55:58 +0000 (21:55 +0300)]
Do an early return from Mesh::draw if there's no data

Otherwise if would try to set zero-sized storage for the buffers, which
is not allowed.

Also guard against empty batches in resize_buffers just in case.

3 years agoUse uniform block and texture bindings from GLSL
Mikko Rasa [Sat, 3 Apr 2021 18:17:27 +0000 (21:17 +0300)]
Use uniform block and texture bindings from GLSL

3 years agoAdd a target version option to the command-line GLSL compiler
Mikko Rasa [Sat, 3 Apr 2021 16:54:26 +0000 (19:54 +0300)]
Add a target version option to the command-line GLSL compiler

3 years agoBetter way to request features for different GLSL versions
Mikko Rasa [Sat, 3 Apr 2021 16:53:55 +0000 (19:53 +0300)]
Better way to request features for different GLSL versions

3 years agoAssign bindings to all uniform blocks and sampler uniforms
Mikko Rasa [Sat, 3 Apr 2021 16:40:34 +0000 (19:40 +0300)]
Assign bindings to all uniform blocks and sampler uniforms

3 years agoAdd legacy conversion for binding layout qualifiers
Mikko Rasa [Sat, 3 Apr 2021 16:33:29 +0000 (19:33 +0300)]
Add legacy conversion for binding layout qualifiers

These are not yet used by Program because there's no good way to detect
which uniforms had bindings in case the implementation does support the
qualifiers.  Anything missing a binding gets assigned binding 0, which
is also a valid manually specified binding.  Upcoming commits will move
bindings entirely to GLSL side.

3 years agoStore constant id limit as range, not max value
Mikko Rasa [Sat, 3 Apr 2021 15:39:26 +0000 (18:39 +0300)]
Store constant id limit as range, not max value

3 years agoBetter checking of where the binding qualifier is allowed
Mikko Rasa [Sat, 3 Apr 2021 14:12:50 +0000 (17:12 +0300)]
Better checking of where the binding qualifier is allowed

3 years agoDisallow the descriptor set qualifier for now
Mikko Rasa [Sat, 3 Apr 2021 14:11:34 +0000 (17:11 +0300)]
Disallow the descriptor set qualifier for now

It's only meaningful for Vulkan, which isn't implemented yet

3 years agoAllocate locations to interface variables
Mikko Rasa [Sat, 3 Apr 2021 10:56:16 +0000 (13:56 +0300)]
Allocate locations to interface variables

3 years agoImprove compatibility checks of location qualifiers in various contexts
Mikko Rasa [Sat, 3 Apr 2021 10:20:34 +0000 (13:20 +0300)]
Improve compatibility checks of location qualifiers in various contexts

3 years agoEven more validation for uniform mismatches
Mikko Rasa [Sat, 3 Apr 2021 08:32:46 +0000 (11:32 +0300)]
Even more validation for uniform mismatches

3 years agoValidate location overlap and type matching for GLSL interfaces
Mikko Rasa [Fri, 2 Apr 2021 20:05:06 +0000 (23:05 +0300)]
Validate location overlap and type matching for GLSL interfaces

3 years agoAlso allocate a buffer when mapping it
Mikko Rasa [Fri, 2 Apr 2021 19:36:38 +0000 (22:36 +0300)]
Also allocate a buffer when mapping it

3 years agoFix a misformatted branch in GLSL compiler debug output
Mikko Rasa [Fri, 2 Apr 2021 15:21:28 +0000 (18:21 +0300)]
Fix a misformatted branch in GLSL compiler debug output

3 years agoStore program resource information in vectors instead of maps
Mikko Rasa [Fri, 2 Apr 2021 11:45:38 +0000 (14:45 +0300)]
Store program resource information in vectors instead of maps

3 years agoStore name in attributes collected from SPIR-V module
Mikko Rasa [Fri, 2 Apr 2021 09:54:29 +0000 (12:54 +0300)]
Store name in attributes collected from SPIR-V module

3 years agoFix an error in calculating SPIR-V uniform offsets
Mikko Rasa [Fri, 2 Apr 2021 09:48:46 +0000 (12:48 +0300)]
Fix an error in calculating SPIR-V uniform offsets

3 years agoRename some things in Program
Mikko Rasa [Fri, 2 Apr 2021 09:09:01 +0000 (12:09 +0300)]
Rename some things in Program

3 years agoClear all maps before linking the Program
Mikko Rasa [Fri, 2 Apr 2021 07:31:12 +0000 (10:31 +0300)]
Clear all maps before linking the Program

3 years agoAdd default constructors for the info structs in Program
Mikko Rasa [Fri, 2 Apr 2021 07:29:50 +0000 (10:29 +0300)]
Add default constructors for the info structs in Program

3 years agoMake constant id range configurable and avoid duplicates
Mikko Rasa [Thu, 1 Apr 2021 21:26:37 +0000 (00:26 +0300)]
Make constant id range configurable and avoid duplicates

GlslangValidator apparently only allows IDs up to 2047.  I've yet to find
out if there's a limit in SPIR-V itself.

3 years agoSplit up ComponentSpecializer
Mikko Rasa [Thu, 1 Apr 2021 21:13:58 +0000 (00:13 +0300)]
Split up ComponentSpecializer

It was weird having the same class do two things, and also those things
should be done at slightly different points of the compilation process.

3 years agoFix extension declarations in GLSL output
Mikko Rasa [Thu, 1 Apr 2021 19:31:35 +0000 (22:31 +0300)]
Fix extension declarations in GLSL output

3 years agoSplit glsl/generate.cpp in two
Mikko Rasa [Thu, 1 Apr 2021 19:26:09 +0000 (22:26 +0300)]
Split glsl/generate.cpp in two

3 years agoMark generated array types as internal
Mikko Rasa [Thu, 1 Apr 2021 10:59:26 +0000 (13:59 +0300)]
Mark generated array types as internal

3 years agoFix layout processing for old GLSL versions
Mikko Rasa [Wed, 31 Mar 2021 21:20:51 +0000 (00:20 +0300)]
Fix layout processing for old GLSL versions

layout(location) is not supported in 1.10 and 1.20, even with the
ARB_explicit_attrib_location extension.

3 years agoAdd missing NodeRemover invocation to LegacyConverter
Mikko Rasa [Wed, 31 Mar 2021 21:14:25 +0000 (00:14 +0300)]
Add missing NodeRemover invocation to LegacyConverter

3 years agoRefactor layout legacy conversion code to be more extensible
Mikko Rasa [Wed, 31 Mar 2021 20:43:58 +0000 (23:43 +0300)]
Refactor layout legacy conversion code to be more extensible

3 years agoUse type information in converting legacy texture sampling functions
Mikko Rasa [Wed, 31 Mar 2021 20:21:47 +0000 (23:21 +0300)]
Use type information in converting legacy texture sampling functions

3 years agoFill in the required version if empty
Mikko Rasa [Wed, 31 Mar 2021 19:39:18 +0000 (22:39 +0300)]
Fill in the required version if empty

Most of the version checks won't trigger for GLSL 1.20 and none will for
GLSL 1.10.

3 years agoCombine the precision handling visitors and rewrite the logic
Mikko Rasa [Wed, 31 Mar 2021 19:25:38 +0000 (22:25 +0300)]
Combine the precision handling visitors and rewrite the logic

It had fallen befind the times and still used the textual type
information.  The logic of what to do is now also contained in the
visitor.

3 years agoRename compatibility.* to finalize.*
Mikko Rasa [Wed, 31 Mar 2021 18:07:07 +0000 (21:07 +0300)]
Rename compatibility.* to finalize.*

This seems more appropriate for some SPIR-V stuff I'm going to add.

3 years agoAlways remove location qualifier if not supported
Mikko Rasa [Wed, 31 Mar 2021 18:02:21 +0000 (21:02 +0300)]
Always remove location qualifier if not supported

3 years agoMove LegacyConverter invocation to the finalize stage
Mikko Rasa [Wed, 31 Mar 2021 18:01:02 +0000 (21:01 +0300)]
Move LegacyConverter invocation to the finalize stage

3 years agoAdd support for loading SPIR-V shaders
Mikko Rasa [Wed, 31 Mar 2021 15:04:46 +0000 (18:04 +0300)]
Add support for loading SPIR-V shaders

3 years agoRename size to array_size in Program variable info structs
Mikko Rasa [Wed, 31 Mar 2021 14:54:13 +0000 (17:54 +0300)]
Rename size to array_size in Program variable info structs

3 years agoAdd a compile mode flag to the command-line GLSL compiler
Mikko Rasa [Wed, 31 Mar 2021 11:47:52 +0000 (14:47 +0300)]
Add a compile mode flag to the command-line GLSL compiler

3 years agoUse DataType instead of GLenum for Program variable types
Mikko Rasa [Tue, 30 Mar 2021 14:51:39 +0000 (17:51 +0300)]
Use DataType instead of GLenum for Program variable types

3 years agoAdd data types for vectors, matrices, images and samplers
Mikko Rasa [Tue, 30 Mar 2021 13:49:21 +0000 (16:49 +0300)]
Add data types for vectors, matrices, images and samplers

3 years agoUpdate gl.xml to latest version
Mikko Rasa [Tue, 30 Mar 2021 13:47:00 +0000 (16:47 +0300)]
Update gl.xml to latest version

3 years agoAdd some precondition checks to Program
Mikko Rasa [Tue, 30 Mar 2021 13:40:52 +0000 (16:40 +0300)]
Add some precondition checks to Program

Adding stages from multiple modules presents some difficulties in matching
the interfaces.

3 years agoSplit Module into a base class and format-specific class
Mikko Rasa [Tue, 30 Mar 2021 11:55:01 +0000 (14:55 +0300)]
Split Module into a base class and format-specific class

3 years agoRefactor adding and compiling shader stages in Program
Mikko Rasa [Tue, 30 Mar 2021 11:49:26 +0000 (14:49 +0300)]
Refactor adding and compiling shader stages in Program

SPIR-V stages don't need to be compiled so it makes more sense to compile
when adding stages from GLSL.

3 years agoTrack allocation status of Buffer
Mikko Rasa [Mon, 29 Mar 2021 22:34:08 +0000 (01:34 +0300)]
Track allocation status of Buffer

If ABR_buffer_storage is not supported, calling storage() and then
sub_data() did not result in the buffer being allocated.

3 years agoMake Text more flexible about which texture slot it uses
Mikko Rasa [Sun, 28 Mar 2021 22:28:06 +0000 (01:28 +0300)]
Make Text more flexible about which texture slot it uses

Different material types have different names for their textures so
using a fixed name here does not cut it anymore.

3 years agoUse validate_name when copying ProgramData
Mikko Rasa [Sun, 28 Mar 2021 21:26:45 +0000 (00:26 +0300)]
Use validate_name when copying ProgramData

It makes sense to use the same debug build logic here.

3 years agoAvoid accessing a null object if there's only a sampler for some unit
Mikko Rasa [Sun, 28 Mar 2021 21:26:01 +0000 (00:26 +0300)]
Avoid accessing a null object if there's only a sampler for some unit

3 years agoFix loading .tex2d files with ResourceManager
Mikko Rasa [Sun, 28 Mar 2021 14:01:10 +0000 (17:01 +0300)]
Fix loading .tex2d files with ResourceManager

The texture's loader already informs the resource manager of the location
of the image, so it shouldn't be done here.  There's also no need to load
the image first anymore.

3 years agoMove checking of vertex attribute indices to VertexSetup
Mikko Rasa [Sun, 28 Mar 2021 13:48:48 +0000 (16:48 +0300)]
Move checking of vertex attribute indices to VertexSetup

This avoids issues when loading meshes with ResourceManager, since it's
not possible to read the value of GL_MAX_VERTEX_ATTRIBS from the loading
thread.

3 years agoRefactor lexical conversion of vertex attributes
Mikko Rasa [Sun, 28 Mar 2021 13:12:35 +0000 (16:12 +0300)]
Refactor lexical conversion of vertex attributes

There was an error in the size of the base string for the GENERIC
attribute, causing it to never match.  Using a utility function makes
it less dependent on magic numbers.

Color is still handled specially because of the type suffix.

3 years agoFix TextureCube mipmap level allocation tracking
Mikko Rasa [Sun, 28 Mar 2021 12:30:00 +0000 (15:30 +0300)]
Fix TextureCube mipmap level allocation tracking

3 years agoExport texture extension modes from Blender
Mikko Rasa [Sun, 28 Mar 2021 12:02:23 +0000 (15:02 +0300)]
Export texture extension modes from Blender

3 years agoAdd CLAMP_TO_BORDER and border color to Sampler
Mikko Rasa [Sun, 28 Mar 2021 11:26:52 +0000 (14:26 +0300)]
Add CLAMP_TO_BORDER and border color to Sampler

3 years agoSupport defining uniform values for materials in Blender
Mikko Rasa [Sun, 28 Mar 2021 11:12:05 +0000 (14:12 +0300)]
Support defining uniform values for materials in Blender

3 years agoRename material map to material atlas in the exporter
Mikko Rasa [Sun, 28 Mar 2021 10:50:20 +0000 (13:50 +0300)]
Rename material map to material atlas in the exporter

3 years agoFix handling of techniques in object exporter
Mikko Rasa [Sun, 28 Mar 2021 10:40:17 +0000 (13:40 +0300)]
Fix handling of techniques in object exporter

Materials with external rendering mode don't get technique resources
generated them, so it's better to use the technique name here.

3 years agoFix exporting of materials without any textures
Mikko Rasa [Sun, 28 Mar 2021 09:47:29 +0000 (12:47 +0300)]
Fix exporting of materials without any textures

If a generator expression produces no items, trying to access __next__()
produces a StopIteration exception.  It's better to create a list so we
can check if it's empty.

3 years agoFix and improve vertex group support
Mikko Rasa [Sun, 28 Mar 2021 09:46:33 +0000 (12:46 +0300)]
Fix and improve vertex group support

Some parts of the export code had gotten out of sync in 306be12.

Groups and weights now have dedicated attributes instead of using an
arbitrary generic attribute.  They're also separate attributes,
allowing up to four groups per vertex.

3 years agoAdd support for exporting vertex colors
Mikko Rasa [Sun, 21 Mar 2021 16:15:02 +0000 (18:15 +0200)]
Add support for exporting vertex colors

3 years agoRefactor the mesh exporter to use UVs directly from UV layers
Mikko Rasa [Sun, 21 Mar 2021 16:14:18 +0000 (18:14 +0200)]
Refactor the mesh exporter to use UVs directly from UV layers

3 years agoFix suspicious code in the mesh exporter
Mikko Rasa [Sun, 21 Mar 2021 16:11:14 +0000 (18:11 +0200)]
Fix suspicious code in the mesh exporter

The pivot_vertices function was expecting a list of vertices, but only
one vertex was passed in.  In fact the entire function seemed rather
useless now that the mesh is triangulated at an early stage.

3 years agoUpdate the desert pillars demo to work once again
Mikko Rasa [Sun, 21 Mar 2021 15:51:09 +0000 (17:51 +0200)]
Update the desert pillars demo to work once again

There's some warnings which require a more comprehensive overhaul to
get rid of.

3 years agoAdd a collection parameter to RenderPass::set_material
Mikko Rasa [Sun, 21 Mar 2021 15:50:19 +0000 (17:50 +0200)]
Add a collection parameter to RenderPass::set_material

If the pass did not already have a shader, it will try to create one from
the material and fail if it has no collection.

3 years agoRearrange vertex attributes
Mikko Rasa [Sun, 21 Mar 2021 15:28:59 +0000 (17:28 +0200)]
Rearrange vertex attributes

Since fixed function is no longer supported, I don't have to care what
attribute number Nvidia gives the fixed function attributes.  The old
layout had weird holes and made custom attributes hard to add; now the
free attributes are neatly at the end.

The duality between standard and generic attributes has been removed.
User-defined attributes now have their own range.  No deprecated
versions have been kept since they would be difficult to support
properly.

3 years agoRename VertexComponent to VertexAttribute
Mikko Rasa [Sun, 21 Mar 2021 09:40:30 +0000 (11:40 +0200)]
Rename VertexComponent to VertexAttribute

Also rename the related functions.  Get_component_type and
get_component_size in particular were problematic since pixelformat.h
uses the same names, and the ones in vertexformat.h don't take an enum
type.

3 years agoRefactor vertex builders
Mikko Rasa [Sun, 21 Mar 2021 09:21:35 +0000 (11:21 +0200)]
Refactor vertex builders

All attributes are now stored in a single vector.

3 years agoRearrange various uniforms to be declared in the file which uses them
Mikko Rasa [Sat, 20 Mar 2021 17:33:15 +0000 (19:33 +0200)]
Rearrange various uniforms to be declared in the file which uses them

3 years agoSupport exporting unlit materials
Mikko Rasa [Sat, 20 Mar 2021 15:33:40 +0000 (17:33 +0200)]
Support exporting unlit materials

These use the emission surface type in Blender.  While that may seem
strange at first, it's actually a good match to how unlit materials
behave in a realtime scene.

3 years agoRefactor material property handling in the Blender exporter
Mikko Rasa [Sat, 20 Mar 2021 15:32:54 +0000 (17:32 +0200)]
Refactor material property handling in the Blender exporter

3 years agoAdjust uniform organization for UnlitMaterial
Mikko Rasa [Sat, 20 Mar 2021 13:37:12 +0000 (15:37 +0200)]
Adjust uniform organization for UnlitMaterial

Its only property are now stored in a struct to match other material
types.  This allows using the name "color" without conflicting with the
vertex attribute.  The texture uniform was also renamed in order to
avoid clashing with the texture() function.

3 years agoDecouple DataType from the OpenGL constants
Mikko Rasa [Sat, 20 Mar 2021 11:44:09 +0000 (13:44 +0200)]
Decouple DataType from the OpenGL constants

This allows defining the values so that manipulation of related types is
easier.  And I can't keep relying on the GL values anyway, with the goal
of adding a Vulkan backend.

3 years agoFix function inlining regressions
Mikko Rasa [Thu, 18 Mar 2021 13:16:10 +0000 (15:16 +0200)]
Fix function inlining regressions

3 years agoFix test case errors revealed by the previous commit
Mikko Rasa [Thu, 18 Mar 2021 11:27:55 +0000 (13:27 +0200)]
Fix test case errors revealed by the previous commit

And one case of adjusted error message too.

3 years agoAdd a bunch of validation for declarations in GLSL
Mikko Rasa [Thu, 18 Mar 2021 11:23:18 +0000 (13:23 +0200)]
Add a bunch of validation for declarations in GLSL

This is why I renamed the old DeclarationValidator a few commits ago,
because that name is a better fit here.