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libs/gl.git
9 years agoFix line exporting
Mikko Rasa [Sat, 16 Aug 2014 22:45:54 +0000 (01:45 +0300)]
Fix line exporting

9 years agoUse a renderer in the viewer
Mikko Rasa [Sat, 16 Aug 2014 09:53:37 +0000 (12:53 +0300)]
Use a renderer in the viewer

Some renderables using more sophisticated features won't even render
properly without one.

9 years agoRework loading in viewer
Mikko Rasa [Sat, 16 Aug 2014 09:39:16 +0000 (12:39 +0300)]
Rework loading in viewer

It can now load external resources, and adding new types of renderables
in the future is easier.

9 years agoSupport hemispherical skylight in ProgramBuilder
Mikko Rasa [Sun, 13 Jul 2014 13:10:59 +0000 (16:10 +0300)]
Support hemispherical skylight in ProgramBuilder

OpenGL's fixed-function pipeline does not have any similar feature, so
this can't be supported without shaders.

9 years agoMove extension requirements from ProgramData to UniformBlock
Mikko Rasa [Mon, 16 Jun 2014 21:02:03 +0000 (00:02 +0300)]
Move extension requirements from ProgramData to UniformBlock

ProgramData no longer manipulates GL directly, and it's used in places
like Renderer and Material.  This changes allows those things to be used
without shader support.

9 years agoMake older gcc versions happy
Mikko Rasa [Mon, 16 Jun 2014 20:08:26 +0000 (23:08 +0300)]
Make older gcc versions happy

9 years agoUse GL_VERSION_x_y to guard the enums for promoted extensions
Mikko Rasa [Mon, 16 Jun 2014 20:06:01 +0000 (23:06 +0300)]
Use GL_VERSION_x_y to guard the enums for promoted extensions

The core names for enums are used in headers, and older systems might
have the extension present but too old core version.

9 years agoRearrange ProgramBuilder's standard variables
Mikko Rasa [Tue, 20 May 2014 22:09:49 +0000 (01:09 +0300)]
Rearrange ProgramBuilder's standard variables

The rgb_light_foo names were getting a bit stupid, and the hierarchy also
makes more sense this way.  The use of gl_FrontLightProduct was dropped
as too cumbersome to maintain.  The future is with modern shaders anyway.

Texture now only affects ambient and diffuse colors, not specular.  There
will likely be support for a separate specular map in the future.

9 years agoTexUnit's constructor shouldn't be public
Mikko Rasa [Fri, 16 May 2014 18:39:46 +0000 (21:39 +0300)]
TexUnit's constructor shouldn't be public

9 years agoImprove interface documentation a bit
Mikko Rasa [Fri, 16 May 2014 18:35:30 +0000 (21:35 +0300)]
Improve interface documentation a bit

9 years agoAdd support for array and multiple lights in generated shaders
Mikko Rasa [Fri, 16 May 2014 17:17:32 +0000 (20:17 +0300)]
Add support for array and multiple lights in generated shaders

9 years agoGeneralize shader interface handling
Mikko Rasa [Thu, 15 May 2014 21:59:26 +0000 (00:59 +0300)]
Generalize shader interface handling

9 years agoRefactor certain variable operations into functions
Mikko Rasa [Thu, 15 May 2014 09:00:01 +0000 (12:00 +0300)]
Refactor certain variable operations into functions

9 years agoInline variables which are simple aliases, even if not optimizing
Mikko Rasa [Tue, 13 May 2014 16:43:31 +0000 (19:43 +0300)]
Inline variables which are simple aliases, even if not optimizing

This fixes another problem with unoptimized legacy shaders, making them
work properly again.

9 years agoTweak goal variable handling in ProgramBuilder
Mikko Rasa [Tue, 13 May 2014 09:21:28 +0000 (12:21 +0300)]
Tweak goal variable handling in ProgramBuilder

All variables now have types, and goal variables are recognized by the
lack of references to them.  This solves a problem where non-optimized
legacy shaders would emit an assignment to frag_color without declaring
it first.

9 years agoPass the sRGB flag when loading a Texture2D from an image file
Mikko Rasa [Thu, 8 May 2014 18:00:26 +0000 (21:00 +0300)]
Pass the sRGB flag when loading a Texture2D from an image file

9 years agoDon't store ProgramData in Lighting
Mikko Rasa [Thu, 8 May 2014 17:55:53 +0000 (20:55 +0300)]
Don't store ProgramData in Lighting

It can't be kept up to date automatically, as Lighting can't track the
individual Lights' state.  It's also hard to make optimize out unnecessary
updates.  It's typically computed very few times per frame anyway, so the
performance hit is negligible (as opposed to something like Material,
which might get used hundreds or thousands of times per frame).

9 years agoMinor tweaks to the Blender exporter
Mikko Rasa [Tue, 6 May 2014 21:17:26 +0000 (00:17 +0300)]
Minor tweaks to the Blender exporter

9 years agoFix exporting meshes without UV coordinates
Mikko Rasa [Tue, 6 May 2014 21:13:35 +0000 (00:13 +0300)]
Fix exporting meshes without UV coordinates

9 years agoMore options for exporting techniques
Mikko Rasa [Tue, 6 May 2014 21:02:39 +0000 (00:02 +0300)]
More options for exporting techniques

9 years agoAdd an object property to control compound exporting
Mikko Rasa [Tue, 6 May 2014 20:43:22 +0000 (23:43 +0300)]
Add an object property to control compound exporting

9 years agoAdd an option to export a separate mesh file when exporting an object
Mikko Rasa [Mon, 5 May 2014 19:58:13 +0000 (22:58 +0300)]
Add an option to export a separate mesh file when exporting an object

9 years agoRestore the progress bar in the exporter
Mikko Rasa [Mon, 5 May 2014 19:27:50 +0000 (22:27 +0300)]
Restore the progress bar in the exporter

9 years agoSome fixes to UV coordinate exporting
Mikko Rasa [Mon, 5 May 2014 19:27:07 +0000 (22:27 +0300)]
Some fixes to UV coordinate exporting

9 years agoRefactor object exporter to a separate class
Mikko Rasa [Mon, 5 May 2014 18:49:57 +0000 (21:49 +0300)]
Refactor object exporter to a separate class

10 years agoSupport linear to sRGB conversion when loading materials and textures
Mikko Rasa [Tue, 29 Apr 2014 05:28:27 +0000 (08:28 +0300)]
Support linear to sRGB conversion when loading materials and textures

10 years agoUse make_tex's wrap parameter in makefont.py
Mikko Rasa [Mon, 21 Apr 2014 07:40:17 +0000 (10:40 +0300)]
Use make_tex's wrap parameter in makefont.py

10 years agoMove sRGB formulas to color.h
Mikko Rasa [Mon, 21 Apr 2014 07:36:17 +0000 (10:36 +0300)]
Move sRGB formulas to color.h

10 years agoAdd a resource collection class
Mikko Rasa [Sun, 20 Apr 2014 09:44:05 +0000 (12:44 +0300)]
Add a resource collection class

It's annoying to have to implement the same collection everywhere,
especially loading textures from image files.

10 years agoAdd viewport support to Framebuffer
Mikko Rasa [Sun, 12 Jan 2014 12:14:31 +0000 (14:14 +0200)]
Add viewport support to Framebuffer

10 years agoInitialize slot even when unused to silence optimizer warnings
Mikko Rasa [Sun, 12 Jan 2014 12:11:59 +0000 (14:11 +0200)]
Initialize slot even when unused to silence optimizer warnings

10 years agoTweak some ProgramBuilder variables
Mikko Rasa [Sun, 5 Jan 2014 11:50:54 +0000 (13:50 +0200)]
Tweak some ProgramBuilder variables

10 years agoSupport sRGB pixelformats through GL_EXT_texture_sRGB
Mikko Rasa [Sun, 5 Jan 2014 11:47:10 +0000 (13:47 +0200)]
Support sRGB pixelformats through GL_EXT_texture_sRGB

10 years agoFix component handling error in Color
Mikko Rasa [Sun, 5 Jan 2014 11:46:14 +0000 (13:46 +0200)]
Fix component handling error in Color

10 years agoUse base pixelformat when loading texture data
Mikko Rasa [Sun, 5 Jan 2014 10:51:29 +0000 (12:51 +0200)]
Use base pixelformat when loading texture data

10 years agoAdd gamma correction and sRGB conversion support to ColorCurve
Mikko Rasa [Sat, 28 Dec 2013 15:14:07 +0000 (17:14 +0200)]
Add gamma correction and sRGB conversion support to ColorCurve

10 years agoAdd basic support for 1D textures
Mikko Rasa [Sat, 28 Dec 2013 15:10:36 +0000 (17:10 +0200)]
Add basic support for 1D textures

10 years agoConvert desertpillars to use the new shader customization
Mikko Rasa [Mon, 23 Dec 2013 16:22:19 +0000 (18:22 +0200)]
Convert desertpillars to use the new shader customization

10 years agoMore flexible system for customizing generated shaders
Mikko Rasa [Mon, 23 Dec 2013 16:14:13 +0000 (18:14 +0200)]
More flexible system for customizing generated shaders

Any standard variable can now be overridden, and new ones added.  It's
still somewhat fragile concerning variable ordering and some other things,
but it works when used correctly.

10 years agoSimplify VAO setup code
Mikko Rasa [Sun, 22 Dec 2013 00:15:06 +0000 (02:15 +0200)]
Simplify VAO setup code

Previously buffer binding semantics caused complications, as index buffer
was unbound while a mesh was bound so batches couldn't be updated.  Now
that buffers behave better with bounds meshes, batches can take care of
themselves again.

Triggering the setup from bind() instead of draw() gets rid of another
bunch of complications, since it will only be called when the VAO is going
to be actually used.

10 years agoAvoid segfault for trying to refresh a Mesh with no buffers
Mikko Rasa [Sat, 21 Dec 2013 16:58:31 +0000 (18:58 +0200)]
Avoid segfault for trying to refresh a Mesh with no buffers

10 years agoThrow an exception if trying to draw a Mesh with a different Mesh bound
Mikko Rasa [Sat, 21 Dec 2013 16:57:41 +0000 (18:57 +0200)]
Throw an exception if trying to draw a Mesh with a different Mesh bound

10 years agoEnforce unbinding as well as binding buffers
Mikko Rasa [Sat, 21 Dec 2013 16:51:47 +0000 (18:51 +0200)]
Enforce unbinding as well as binding buffers

10 years agoPresent Mesh's index buffer as current while the Mesh is bound
Mikko Rasa [Sat, 21 Dec 2013 11:30:02 +0000 (13:30 +0200)]
Present Mesh's index buffer as current while the Mesh is bound

This simplifies the internal update operations.

10 years agoUse RAII binders in place of manual binding
Mikko Rasa [Sat, 21 Dec 2013 11:20:21 +0000 (13:20 +0200)]
Use RAII binders in place of manual binding

10 years agoBufferAlias is now obsolete
Mikko Rasa [Sat, 21 Dec 2013 09:59:28 +0000 (11:59 +0200)]
BufferAlias is now obsolete

10 years agoAdd support for multiple binding points in the RAII binders
Mikko Rasa [Sat, 21 Dec 2013 09:58:57 +0000 (11:58 +0200)]
Add support for multiple binding points in the RAII binders

10 years agoRewrite Bind as two different classes
Mikko Rasa [Sat, 21 Dec 2013 09:36:40 +0000 (11:36 +0200)]
Rewrite Bind as two different classes

Boolean flag parameters are not too clear without seeing the declaration.
This new implementation also doesn't use dynamic allocation.

10 years agoMake desertpillars compatible with the modernization changes
Mikko Rasa [Sat, 21 Dec 2013 09:17:17 +0000 (11:17 +0200)]
Make desertpillars compatible with the modernization changes

10 years agoEscape from the renderer before applying postprocessors
Mikko Rasa [Thu, 19 Dec 2013 21:15:36 +0000 (23:15 +0200)]
Escape from the renderer before applying postprocessors

10 years agoAutomatically determine texture units for effects
Mikko Rasa [Thu, 19 Dec 2013 21:10:15 +0000 (23:10 +0200)]
Automatically determine texture units for effects

At the moment this breaks such effects in fixed-function mode on platforms
that support shader-only texture units.  Will devise a fix later.

10 years agoAdd missing initializer
Mikko Rasa [Thu, 19 Dec 2013 21:03:49 +0000 (23:03 +0200)]
Add missing initializer

10 years agoAdd an overload of bind_attribute that takes a VertexComponent
Mikko Rasa [Thu, 19 Dec 2013 20:40:52 +0000 (22:40 +0200)]
Add an overload of bind_attribute that takes a VertexComponent

10 years agoAdd missing #include
Mikko Rasa [Tue, 17 Dec 2013 20:13:32 +0000 (22:13 +0200)]
Add missing #include

10 years agoAdd shd_eye_matrix to ShadowMap's shdata
Mikko Rasa [Mon, 16 Dec 2013 20:25:49 +0000 (22:25 +0200)]
Add shd_eye_matrix to ShadowMap's shdata

10 years agoUse vector and matrix operations in ShadowMap
Mikko Rasa [Mon, 16 Dec 2013 20:24:55 +0000 (22:24 +0200)]
Use vector and matrix operations in ShadowMap

10 years agoIntegrate modern shaders and VAOs with Renderer
Mikko Rasa [Sun, 15 Dec 2013 23:26:55 +0000 (01:26 +0200)]
Integrate modern shaders and VAOs with Renderer

10 years agoThe Scope enum has no need to be public
Mikko Rasa [Sun, 15 Dec 2013 23:23:50 +0000 (01:23 +0200)]
The Scope enum has no need to be public

10 years agoSupport generating modern, GLSL 1.30+ shaders with ProgramBuilder
Mikko Rasa [Sun, 15 Dec 2013 23:22:54 +0000 (01:22 +0200)]
Support generating modern, GLSL 1.30+ shaders with ProgramBuilder

10 years agoCreate ProgramData for materials and lights
Mikko Rasa [Sun, 15 Dec 2013 23:16:31 +0000 (01:16 +0200)]
Create ProgramData for materials and lights

10 years agoAdd interface for glBindFragDataLocation, required for modern shaders
Mikko Rasa [Sun, 15 Dec 2013 23:05:29 +0000 (01:05 +0200)]
Add interface for glBindFragDataLocation, required for modern shaders

10 years agoRemove VertexArray's own dirty member now that it's a Bufferable
Mikko Rasa [Sun, 15 Dec 2013 23:04:48 +0000 (01:04 +0200)]
Remove VertexArray's own dirty member now that it's a Bufferable

10 years agoAdd vertex array object support to Mesh
Mikko Rasa [Sun, 15 Dec 2013 23:03:26 +0000 (01:03 +0200)]
Add vertex array object support to Mesh

Renderer integration to be added soon.

10 years agoExplicitly bind buffer in Bufferable::update_buffer
Mikko Rasa [Sun, 15 Dec 2013 18:03:20 +0000 (20:03 +0200)]
Explicitly bind buffer in Bufferable::update_buffer

This reduces unnecessary bind/unbind thrashing if the buffer needs to be
resized.

10 years agoAdd some accessors to Buffer
Mikko Rasa [Sun, 15 Dec 2013 18:02:46 +0000 (20:02 +0200)]
Add some accessors to Buffer

10 years agoAdd a public refresh function to Bufferable
Mikko Rasa [Sat, 30 Nov 2013 18:15:29 +0000 (20:15 +0200)]
Add a public refresh function to Bufferable

This is needed soon for VAO support.

10 years agoTweak buffer logic a bit in Batch::draw
Mikko Rasa [Sat, 30 Nov 2013 16:56:42 +0000 (18:56 +0200)]
Tweak buffer logic a bit in Batch::draw

Excplicitly binding the buffer first avoids unnecessary implicit binds in
the buffer update code.

10 years agoConvert VertexArray into a Bufferable
Mikko Rasa [Sat, 30 Nov 2013 16:55:10 +0000 (18:55 +0200)]
Convert VertexArray into a Bufferable

10 years agoUse renderer for lighting in the shaders demo
Mikko Rasa [Fri, 29 Nov 2013 09:50:42 +0000 (11:50 +0200)]
Use renderer for lighting in the shaders demo

10 years agoDon't bother with clearing winding test
Mikko Rasa [Fri, 29 Nov 2013 09:35:47 +0000 (11:35 +0200)]
Don't bother with clearing winding test

Why was that even there?  Winding test is stored as part of Renderer's
State, so it will be cleared by a pop.

10 years agoRemove vertex array tracking from Renderer
Mikko Rasa [Fri, 29 Nov 2013 08:46:27 +0000 (10:46 +0200)]
Remove vertex array tracking from Renderer

It's unnecessary because VertexArray has its own state tracking and never
needs to be unbound.

10 years agoMove vertex buffer management from VertexArray to Mesh
Mikko Rasa [Thu, 28 Nov 2013 20:21:59 +0000 (22:21 +0200)]
Move vertex buffer management from VertexArray to Mesh

It was getting in the way of implementing vertex array objects.

10 years agoRestore old samples value if create_targets fails
Mikko Rasa [Thu, 28 Nov 2013 12:51:23 +0000 (14:51 +0200)]
Restore old samples value if create_targets fails

An application could use try-catch to check if a certain level of
multisampling is available, and leaving samples to that value would
interfere with later operations.

10 years agoRemove get(int *)
Mikko Rasa [Thu, 28 Nov 2013 12:42:58 +0000 (14:42 +0200)]
Remove get(int *)

By contrast to the previous commit, this was rather useless and not
actually used anywhere in the code.

10 years agoUse wrappers for single-value glGet* calls
Mikko Rasa [Thu, 28 Nov 2013 12:39:49 +0000 (14:39 +0200)]
Use wrappers for single-value glGet* calls

Having to create temporary stack variables just for passing in the return
pointer is quite annoying.

10 years agoCheck range when attaching Lights to a Lighting
Mikko Rasa [Thu, 28 Nov 2013 12:24:11 +0000 (14:24 +0200)]
Check range when attaching Lights to a Lighting

10 years agoFix some incorrect whitespace
Mikko Rasa [Thu, 28 Nov 2013 12:23:30 +0000 (14:23 +0200)]
Fix some incorrect whitespace

10 years agoBetter state tracking for bound objects
Mikko Rasa [Thu, 28 Nov 2013 12:14:56 +0000 (14:14 +0200)]
Better state tracking for bound objects

10 years agoGive TexEnv a default object since it can't be disabled
Mikko Rasa [Thu, 28 Nov 2013 11:11:35 +0000 (13:11 +0200)]
Give TexEnv a default object since it can't be disabled

10 years agoRewrite light binding to match textures
Mikko Rasa [Thu, 28 Nov 2013 00:02:49 +0000 (02:02 +0200)]
Rewrite light binding to match textures

Both have multiple multiple parallel bind points, so it makes sense they
behave in the same way.

10 years agoAlways bind textures in a specific texture unit
Mikko Rasa [Wed, 27 Nov 2013 21:23:33 +0000 (23:23 +0200)]
Always bind textures in a specific texture unit

This eliminates one level of global state, simplifying the API and
offering new optimization possibilities.  Since single-texturing is a
common use case, the parameterless bind/unbind functions have been left
in but changed to operate on unit 0.

10 years agoRemove ambient color from Light
Mikko Rasa [Wed, 27 Nov 2013 10:05:01 +0000 (12:05 +0200)]
Remove ambient color from Light

It doesn't make much sense, as there's already the global ambient color in
Lighting.  I haven't ever used it either, so remove directly instead of
deprecating.

10 years agoRemove some deprecated stuff
Mikko Rasa [Wed, 27 Nov 2013 09:56:01 +0000 (11:56 +0200)]
Remove some deprecated stuff

10 years agoConvert Matrix to use floats
Mikko Rasa [Wed, 27 Nov 2013 09:06:38 +0000 (11:06 +0200)]
Convert Matrix to use floats

This halves matrix storage size to 64 bytes and reduces overhead from
conversions at certain places.  If an application desires greater
precision, it can use the LinAl::Matrix and Geometry::AffineTransformation
classes internally.

10 years agoMake TexUnits aware of their incides
Mikko Rasa [Wed, 27 Nov 2013 08:30:26 +0000 (10:30 +0200)]
Make TexUnits aware of their incides

10 years agoUnbind Lighting in Renderer destructor
Mikko Rasa [Mon, 25 Nov 2013 18:29:32 +0000 (20:29 +0200)]
Unbind Lighting in Renderer destructor

This solves a problem where the same lightning would get bound later and
retain an incorrect matrix due to already being bound.  It's not really a
proper fix but works in the most common cases.

10 years agoCheck and report the use of legacy built-in variables in a program
Mikko Rasa [Mon, 25 Nov 2013 15:25:22 +0000 (17:25 +0200)]
Check and report the use of legacy built-in variables in a program

10 years agoUse sizeof when passing buffer size
Mikko Rasa [Mon, 25 Nov 2013 15:24:49 +0000 (17:24 +0200)]
Use sizeof when passing buffer size

10 years agoBe more direct about getting uniform counts from the program object
Mikko Rasa [Mon, 25 Nov 2013 15:24:18 +0000 (17:24 +0200)]
Be more direct about getting uniform counts from the program object

10 years agoAdd function to check GLSL version
Mikko Rasa [Mon, 25 Nov 2013 15:22:12 +0000 (17:22 +0200)]
Add function to check GLSL version

10 years agoRefactor version number extraction and checks
Mikko Rasa [Mon, 25 Nov 2013 15:21:46 +0000 (17:21 +0200)]
Refactor version number extraction and checks

10 years agoStore and expose the projection matrix
Mikko Rasa [Mon, 25 Nov 2013 14:23:51 +0000 (16:23 +0200)]
Store and expose the projection matrix

10 years agoMake better use of matrix operations in Camera
Mikko Rasa [Mon, 25 Nov 2013 14:21:57 +0000 (16:21 +0200)]
Make better use of matrix operations in Camera

10 years agoHomogenise binding semantics
Mikko Rasa [Fri, 11 Oct 2013 12:53:16 +0000 (15:53 +0300)]
Homogenise binding semantics

Objects that wrap always-on state should restore default states when
unbound.

Enable/disable of otherwise global state should be exposed through
binding, not a flag in an object.

10 years agoDeal with nontrivial image configurations
Mikko Rasa [Fri, 11 Oct 2013 11:51:41 +0000 (14:51 +0300)]
Deal with nontrivial image configurations

10 years agoGet function pointers on OS X through weak symbols
Mikko Rasa [Thu, 10 Oct 2013 12:24:09 +0000 (15:24 +0300)]
Get function pointers on OS X through weak symbols

10 years agoExtract parameter and return type information from gl.xml
Mikko Rasa [Thu, 10 Oct 2013 12:23:19 +0000 (15:23 +0300)]
Extract parameter and return type information from gl.xml

10 years agoHave the maketex script take texture parameters as options
Mikko Rasa [Fri, 4 Oct 2013 11:11:35 +0000 (14:11 +0300)]
Have the maketex script take texture parameters as options

10 years agoAdd a shortcut for specifying both texture filters
Mikko Rasa [Thu, 3 Oct 2013 21:21:26 +0000 (00:21 +0300)]
Add a shortcut for specifying both texture filters

10 years agoFinal touches of OS X support
Mikko Rasa [Thu, 3 Oct 2013 08:02:04 +0000 (11:02 +0300)]
Final touches of OS X support