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libs/gl.git
10 years agoSupport OpenGL ES on Android
Mikko Rasa [Fri, 17 Oct 2014 20:49:10 +0000 (23:49 +0300)]
Support OpenGL ES on Android

Some features are still likely to be broken, but basic rendering works
at least.

10 years agoPrefer glDrawBuffers over glDrawBuffer
Mikko Rasa [Fri, 17 Oct 2014 20:09:44 +0000 (23:09 +0300)]
Prefer glDrawBuffers over glDrawBuffer

OpenGL ES does not have glDrawBuffer, so this logic change makes porting
a bit easier.

10 years agoOnly check against number of light units when binding Lighting
Mikko Rasa [Fri, 17 Oct 2014 19:28:51 +0000 (22:28 +0300)]
Only check against number of light units when binding Lighting

Feeding lights to shaders through ProgramData is not subject to
GL_MAX_LIGHTS, it makes sense to remove that limit from attaching them.

10 years agoTweak extension behavior on Radeon
Mikko Rasa [Fri, 17 Oct 2014 18:44:01 +0000 (21:44 +0300)]
Tweak extension behavior on Radeon

10 years agoDon't bind the default object if nothing was bound before
Mikko Rasa [Fri, 17 Oct 2014 18:40:28 +0000 (21:40 +0300)]
Don't bind the default object if nothing was bound before

10 years agoAllow applying a VertexArray in non-legacy mode
Mikko Rasa [Fri, 17 Oct 2014 18:30:08 +0000 (21:30 +0300)]
Allow applying a VertexArray in non-legacy mode

Mesh::bind now has consistent results whether or not vertex array objects
are available.  This is unlikely to be needed on full OpenGL, but is
necessary for OpenGL ES 2.0 support (ES 3.0 has VAOs).

10 years agoFallback to glDrawElements if EXT_draw_range_elements is unavailable
Mikko Rasa [Fri, 17 Oct 2014 11:18:27 +0000 (14:18 +0300)]
Fallback to glDrawElements if EXT_draw_range_elements is unavailable

10 years agoAdd facilities to disable extensions and force lower versions
Mikko Rasa [Fri, 17 Oct 2014 10:36:54 +0000 (13:36 +0300)]
Add facilities to disable extensions and force lower versions

Useful for testing some exotic combinations without actually having to
dig up suitable hardware.

10 years agoUpdate gl.xml to latest version
Mikko Rasa [Fri, 17 Oct 2014 08:47:38 +0000 (11:47 +0300)]
Update gl.xml to latest version

10 years agoInitialize camera matrices in constructor
Mikko Rasa [Thu, 16 Oct 2014 09:07:57 +0000 (12:07 +0300)]
Initialize camera matrices in constructor

10 years agoDelay loading matrices until they are needed
Mikko Rasa [Wed, 15 Oct 2014 21:12:32 +0000 (00:12 +0300)]
Delay loading matrices until they are needed

If all renderables use modern shaders, it's not necessary to touch the
system matrix stacks at all.  OpenGL ES 2.0 and OpenGL 3.0 core do not
even have system matrix stacks.

10 years agoRun a tighter ship with extensions
Mikko Rasa [Wed, 15 Oct 2014 16:49:47 +0000 (19:49 +0300)]
Run a tighter ship with extensions

10 years agoRemove a number of rarely used legacy features
Mikko Rasa [Wed, 15 Oct 2014 16:40:16 +0000 (19:40 +0300)]
Remove a number of rarely used legacy features

ShadowMap will now need shaders to work, but it was already broken in
fixed-function anyway due to using large texture unit numbers.  Since
all modern hardware supports shaders, even with free drivers, this is
unlikely to be an issue.

The removed pixel format GL_RED is used in ARB_texture_rg, but we don't
support that extension yet.

10 years agoEnhance the extension generator to support different APIs
Mikko Rasa [Wed, 15 Oct 2014 15:54:16 +0000 (18:54 +0300)]
Enhance the extension generator to support different APIs

10 years agoRefactor and optimize the extension generator script
Mikko Rasa [Wed, 15 Oct 2014 15:36:31 +0000 (18:36 +0300)]
Refactor and optimize the extension generator script

Overly short variable names have been expanded
parse_file was getting a bit unwieldy and has been split
getElementsByTagName is recursive and slow, replaced with custom function

10 years agoDon't leak AsyncUpdaters if Mesh async loading is aborted
Mikko Rasa [Tue, 30 Sep 2014 17:14:28 +0000 (20:14 +0300)]
Don't leak AsyncUpdaters if Mesh async loading is aborted

10 years agoRewrite ResourceManager internals for more scalability
Mikko Rasa [Tue, 30 Sep 2014 17:05:45 +0000 (20:05 +0300)]
Rewrite ResourceManager internals for more scalability

Since loading small resources can often take less than one frame,
especially with vsync enabled, the thread can now handle more than one
resource at once.  The code is also somewhat better structured for using
more than one thread in the future.

10 years agoBetter handling of unloaded textures
Mikko Rasa [Mon, 29 Sep 2014 21:07:20 +0000 (00:07 +0300)]
Better handling of unloaded textures

Since it's no longer guaranteed that calling ResourceManager::resource_used
will result in Resource::load being called, it's better to avoid the
binding logic entirely in the unloaded case.  In particular, parameters
must not be updated until the GL texture object has been created.

Generating an ID for the texture has been delayed to the last phase of
loading to further differentiate the loaded and unloaded states.

10 years agoAvoid segfaults when LoadingThread's resource is cleared
Mikko Rasa [Mon, 29 Sep 2014 20:35:16 +0000 (23:35 +0300)]
Avoid segfaults when LoadingThread's resource is cleared

10 years agoDelay opening the resource file until loading actually starts
Mikko Rasa [Mon, 29 Sep 2014 16:40:48 +0000 (19:40 +0300)]
Delay opening the resource file until loading actually starts

Opening it when the load is queued can cause large numbers of open files
to be created at once and dissipate slowly as the queue is processed.

10 years agoMinor fixes
Mikko Rasa [Sun, 28 Sep 2014 18:08:00 +0000 (21:08 +0300)]
Minor fixes

10 years agoFix TexGen unbinding
Mikko Rasa [Sun, 28 Sep 2014 18:07:33 +0000 (21:07 +0300)]
Fix TexGen unbinding

10 years agoExclude EnvironMap effect itself when creating the map
Mikko Rasa [Sun, 28 Sep 2014 18:02:28 +0000 (21:02 +0300)]
Exclude EnvironMap effect itself when creating the map

This avoids an unnecessary texture bind/unbind cycle if the EnvironmentMap
is contained within its own environment.

10 years agoPut transform matrices into a uniform block too
Mikko Rasa [Sun, 28 Sep 2014 17:54:56 +0000 (20:54 +0300)]
Put transform matrices into a uniform block too

I'm fairly certain the glBufferSubData call required to update the block
contents is no slower than the glUniformMatrix* calls to set the uniforms
directly.

10 years agoDon't consider the current buffer in deciding whether to bind BufferRange
Mikko Rasa [Sun, 28 Sep 2014 17:52:17 +0000 (20:52 +0300)]
Don't consider the current buffer in deciding whether to bind BufferRange

glBindBufferRange should only be called if the buffer range bound to that
index was changed.  The buffer binding gets changed as a side-effect, but
should not factor into the decision.

10 years agoRework ProgramData to do less unnecessary work
Mikko Rasa [Sun, 28 Sep 2014 16:58:08 +0000 (19:58 +0300)]
Rework ProgramData to do less unnecessary work

Changes are now tracked per-uniform, allowing more updates to be skipped.
The buffers used in a program are cached, making the no-changes case
faster.

Additionally, Program now creates a UniformBlockInfo struct for the
default uniform.  The program-wide uniform layout hash has been repurposed
to cover the entire program.

10 years agoTighten checks in UniformBlock
Mikko Rasa [Sun, 28 Sep 2014 16:45:01 +0000 (19:45 +0300)]
Tighten checks in UniformBlock

A single UniformBlock can only be a default block or a named block, not
any strange mixture of the two.

10 years agoIntroduce a typedef for uniform layout hashes in Program
Mikko Rasa [Sun, 28 Sep 2014 15:29:30 +0000 (18:29 +0300)]
Introduce a typedef for uniform layout hashes in Program

10 years agoAdjust the desert pillars demo to recent changes
Mikko Rasa [Sat, 27 Sep 2014 15:43:02 +0000 (18:43 +0300)]
Adjust the desert pillars demo to recent changes

Also decrease the cube's shininess from 150 to 120 for compatibility with
older OpenGL versions.

10 years agoMove the reflectivity parameter to material
Mikko Rasa [Sat, 27 Sep 2014 15:42:35 +0000 (18:42 +0300)]
Move the reflectivity parameter to material

Logically it belongs there, even if OpenGL has no fixed-function support
for it.

10 years agoRectify some omissions in ProgramBuilder builtin variables
Mikko Rasa [Sat, 27 Sep 2014 10:46:48 +0000 (13:46 +0300)]
Rectify some omissions in ProgramBuilder builtin variables

10 years agoFix uniform stride assignments
Mikko Rasa [Sat, 27 Sep 2014 10:44:51 +0000 (13:44 +0300)]
Fix uniform stride assignments

10 years agoFix the resource disassociation loop in ~ResourceManager
Mikko Rasa [Fri, 26 Sep 2014 15:01:40 +0000 (18:01 +0300)]
Fix the resource disassociation loop in ~ResourceManager

10 years agoUnbind things if they are deleted while current
Mikko Rasa [Fri, 26 Sep 2014 15:00:18 +0000 (18:00 +0300)]
Unbind things if they are deleted while current

Failing to do so can lead to all sorts of stale-state issues, especially
if a newly created thing happens to get the exact same address as the
just deleted one.

10 years agoUse uniform blocks in generated shaders if supported
Mikko Rasa [Fri, 26 Sep 2014 14:35:51 +0000 (17:35 +0300)]
Use uniform blocks in generated shaders if supported

10 years agoInitialize StandardVariables::skylight
Mikko Rasa [Fri, 26 Sep 2014 10:30:39 +0000 (13:30 +0300)]
Initialize StandardVariables::skylight

10 years agoEmit separate declarations for struct types
Mikko Rasa [Fri, 26 Sep 2014 10:19:53 +0000 (13:19 +0300)]
Emit separate declarations for struct types

I'm going to add uniform block support shortly and structs can't be
declared inside blocks.

10 years agoDeal with hash collisions in assigning uniform block bind points
Mikko Rasa [Fri, 26 Sep 2014 10:06:52 +0000 (13:06 +0300)]
Deal with hash collisions in assigning uniform block bind points

10 years agoImprove bounding sphere handling in Object
Mikko Rasa [Wed, 24 Sep 2014 17:36:33 +0000 (20:36 +0300)]
Improve bounding sphere handling in Object

10 years agoUpdate Object's bounding sphere when mesh is loaded
Mikko Rasa [Wed, 24 Sep 2014 17:34:24 +0000 (20:34 +0300)]
Update Object's bounding sphere when mesh is loaded

10 years agoAdd a ResourceWatcher interface
Mikko Rasa [Wed, 24 Sep 2014 12:49:41 +0000 (15:49 +0300)]
Add a ResourceWatcher interface

10 years agoEnable asynchronous loading of Meshes
Mikko Rasa [Tue, 23 Sep 2014 21:08:21 +0000 (00:08 +0300)]
Enable asynchronous loading of Meshes

This currently causes object bounding spheres to be incorrect when using
managed meshes.  The situation will be rectified shortly.

10 years agoAdd an asynchronous update interface to Bufferable
Mikko Rasa [Tue, 23 Sep 2014 20:23:14 +0000 (23:23 +0300)]
Add an asynchronous update interface to Bufferable

10 years agoRefactor the internal interface of Bufferable a bit
Mikko Rasa [Tue, 23 Sep 2014 17:11:16 +0000 (20:11 +0300)]
Refactor the internal interface of Bufferable a bit

10 years agoMiscellaneous fixes to ResourceManager
Mikko Rasa [Thu, 18 Sep 2014 17:42:20 +0000 (20:42 +0300)]
Miscellaneous fixes to ResourceManager

10 years agoSome fixes to VAO management
Mikko Rasa [Tue, 16 Sep 2014 07:31:36 +0000 (10:31 +0300)]
Some fixes to VAO management

10 years agoMinor adjustments
Mikko Rasa [Mon, 15 Sep 2014 10:35:11 +0000 (13:35 +0300)]
Minor adjustments

10 years agoAdd a hidden option to disable progress meter
Mikko Rasa [Mon, 15 Sep 2014 10:34:21 +0000 (13:34 +0300)]
Add a hidden option to disable progress meter

Intended for scripts that call the MSP export operators multiple times.

10 years agoAdd an object property for inheriting the specified technique
Mikko Rasa [Mon, 15 Sep 2014 10:23:11 +0000 (13:23 +0300)]
Add an object property for inheriting the specified technique

This allows using object-specific textures while still sharing material
and shaders.

10 years agoUse image path as texture identifier if available
Mikko Rasa [Mon, 15 Sep 2014 09:43:28 +0000 (12:43 +0300)]
Use image path as texture identifier if available

This is more likely to be correct in common resource loading setups.

10 years agoTake material diffuse intensity into account
Mikko Rasa [Mon, 15 Sep 2014 08:24:46 +0000 (11:24 +0300)]
Take material diffuse intensity into account

10 years agoDisplay overall progress when exporting scenes
Mikko Rasa [Mon, 15 Sep 2014 08:24:11 +0000 (11:24 +0300)]
Display overall progress when exporting scenes

10 years agoImplement automatic unloading when a total size limit is exceeded
Mikko Rasa [Mon, 8 Sep 2014 20:50:35 +0000 (23:50 +0300)]
Implement automatic unloading when a total size limit is exceeded

10 years agoImplement automatic resource unloading based on age
Mikko Rasa [Mon, 8 Sep 2014 18:28:22 +0000 (21:28 +0300)]
Implement automatic resource unloading based on age

10 years agoSet dirty_params when unloading textures
Mikko Rasa [Mon, 8 Sep 2014 17:06:37 +0000 (20:06 +0300)]
Set dirty_params when unloading textures

This ensures that things like MIN_FILTER get set correctly when it is
reloaded.

10 years agoImplement manual loading policy and async flag
Mikko Rasa [Sun, 7 Sep 2014 17:16:36 +0000 (20:16 +0300)]
Implement manual loading policy and async flag

10 years agoThrow an exception if Resource::load did not create an AsyncLoader
Mikko Rasa [Sat, 30 Aug 2014 22:38:35 +0000 (01:38 +0300)]
Throw an exception if Resource::load did not create an AsyncLoader

This is only a safeguard against programming errors and should never be
hit in normal use.

10 years agoDissolve the association to resources when ResourceManager is destroyed
Mikko Rasa [Sat, 30 Aug 2014 22:37:36 +0000 (01:37 +0300)]
Dissolve the association to resources when ResourceManager is destroyed

10 years agoEnable resource management on Texture2D
Mikko Rasa [Sat, 23 Aug 2014 16:12:48 +0000 (19:12 +0300)]
Enable resource management on Texture2D

10 years agoFoundation for a resource management system
Mikko Rasa [Sun, 17 Aug 2014 19:07:50 +0000 (22:07 +0300)]
Foundation for a resource management system

10 years agoAdd memory-mapping functions for Buffer
Mikko Rasa [Sun, 17 Aug 2014 15:23:30 +0000 (18:23 +0300)]
Add memory-mapping functions for Buffer

10 years agoMake the viewer capable of viewing scenes
Mikko Rasa [Sun, 17 Aug 2014 14:44:10 +0000 (17:44 +0300)]
Make the viewer capable of viewing scenes

10 years agoAdd a Loader for Scene, and a matching Blender exporter
Mikko Rasa [Sun, 17 Aug 2014 14:43:41 +0000 (17:43 +0300)]
Add a Loader for Scene, and a matching Blender exporter

10 years agoSet MeshExporter default values to match those in the operator
Mikko Rasa [Sat, 16 Aug 2014 22:46:27 +0000 (01:46 +0300)]
Set MeshExporter default values to match those in the operator

10 years agoFix line exporting
Mikko Rasa [Sat, 16 Aug 2014 22:45:54 +0000 (01:45 +0300)]
Fix line exporting

10 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.

10 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.

10 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.

10 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.

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

10 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.

10 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.

10 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

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

10 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

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

10 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

10 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.

10 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.

10 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

10 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).

10 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

10 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

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

10 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

10 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

10 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

10 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

10 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