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918 Commits

Author SHA1 Message Date
rdb ad3ab3ad21 Define stable ordering for WeakPointerTo for use as map/set key 
Currently, the WeakPointerTo comparison operators compare the raw pointers, but this is not useful as it may cause a false equality if one weak pointer in the comparison is expired and points to memory that has since been reused.

Instead, we can define a comparison based on the control block pointer, which exists since the new weak pointer implementation in 0bb81a43c9.  This is implemented in the owner_before method, matching C++11 std::weak_ptr semantics.

I would now recommend deprecating most comparison operators of WeakPointerTo or redefining them to make more sense, ie. comparing equal if they (once) referred to the same object and not if they simply point to the same memory address.  This has not yet been done, though code that uses the comparison operators has been fixed in this commit.

Overloads of std::owner_less have been provided for creating a map or set with Weak(Const)PointerTo keys.
 2018-07-30 17:27:09 +02:00
rdb 02b32a5814 glgsg: support vertices-float64 in core profile shaders 
Requires OpenGL 4.1 or GL_ARB_vertex_attrib_64bit extension.
 2018-07-26 22:58:15 +02:00
rdb ecfeae8a27 shader: support double-precision vertex columns in GLSL 2018-07-26 22:07:20 +02:00
rdb 7fe72c47f3 glgsg: update copy of glext.h 2018-07-23 09:02:12 +02:00
rdb 359ce3e9ef glgsg: fix error with glObjectLabel and SSBO 2018-07-17 22:59:23 +02:00
rdb b5194d9ff2 glgsg: pad SSBOs to 16 byte boundary (required by some drivers) 2018-07-17 22:59:15 +02:00
rdb 06539f5c66 glsl: support passing uint variables to shader 2018-07-17 22:32:34 +02:00
rdb 799f0b4f78 glgsg: work around driver bug extracting buffer texture data 
Some drivers would report the wrong internal format.  But it's silly that we query the internal format anyway, since buffer textures have a fixed sized internal format.
 2018-07-17 17:04:50 +02:00
rdb e41eeaae23 glgsg: if 32-bit unorm depth is not available, fallback to float 
This prevents falling back to 24-bit depth if 32-bit depth is requested.
 2018-07-12 14:17:02 +02:00
rdb 828233a8f2 glgsg: support gl-depth-zero-to-one to get same NDC Z range as D3D 2018-07-12 14:13:32 +02:00
rdb 16daf08e42 glgsg: fix some GCC warning messages 2018-07-11 13:33:50 +02:00
rdb 96a48a6848 glgsg: fix issue with extract_texture_data and buffer textures 
It would always extract the last-created buffer texture, not the texture in question.
 2018-07-04 20:56:07 +02:00
rdb 94cbdc563b general: fix a few more compiler warnings 2018-06-30 17:19:23 +02:00
rdb 886e1c2f16 general: fix many compilation warnings in GCC 8 2018-06-19 00:37:28 +02:00
rdb d48695cb2e glgsg: fix occasional WeakPointerTo dereference 2018-06-14 22:51:35 +02:00
rdb f804b10d45 Fix more compiler warnings 2018-06-14 22:49:45 +02:00
Sam Edwards b2bfb31114 general: Remove `using std::*` from headers 
Also remove most `using namespace std;` statements. The only one that remains is in py_panda.h.

Closes #350
Closes #335
 2018-06-14 16:04:49 +02:00
Sam Edwards a971bc1dfc general: Break apart BUILDING_PANDAGL 2018-06-12 16:15:45 -06:00
rdb b88bd99704 Various compiler warning fixes 2018-06-12 12:38:07 +02:00
Sam Edwards 7790f8429d general: Fully qualify header references into the std namespace 
Closes #341
 2018-06-07 10:35:12 +02:00
Sam Edwards e2b4353800 general: Replace NULL (and 0 as pointer) with C++11 nullptr 
Exceptions to this replacement are:
- .c files
- Headers included by a .c file
- stb_image.h
- dr_flac.h
- Strings
- Comments
 2018-06-03 16:35:13 -06:00
rdb e0245d2777 First step towards eliminating `using namespace std;` (#335) 2018-06-03 20:32:23 +02:00
rdb 21d8c29645 More warning fixes 2018-06-03 06:45:35 -04:00
Sam Edwards 159b43e563 general: Address a few more compiler warnings 2018-06-01 02:54:13 -06:00
rdb 6b726fa697 general: fix various compiler warnings and issues exposed thereby 2018-05-30 11:09:35 +02:00
rdb 9fad3dba60 general: remove macros for compatibility with non-C++11 compilers 
Now that we require MSVC 2015, we no longer need all this nonsense, so we can write cleaner code.
 2018-05-23 23:33:05 +02:00
rdb 0bb81a43c9 express: make a thread safe weak pointer implementation (#321) 
To access a WeakPointerTo in a thread-safe way, use something like this:

    if (auto ptr = weak_ptr.lock()) {
      ..use ptr as regular PointerTo
    }

The new implementation no longer needs a reference to be stored to all weak pointers on the WeakReferenceList; a mere count of weak pointers is sufficient.  Therefore, callbacks theoretically no longer require a WeakPointerTo to be constructed.

The WeakPointerTo class is not actually atomic; it could be made so, but I don't believe it's worth it at this time.
 2018-05-15 13:40:21 +02:00
Sam Edwards 52e7c952b3 putil: Rename config_util to config_putil 2018-05-14 02:36:42 -06:00
rdb 3b4d4b0804 glgsg: fix broken upload of downscaled texture without mipmaps 
Fixes #306
 2018-04-30 19:13:54 -04:00
rdb 94476fd1f0 glgsg: fix invalid operation error with multisample FBO 
Panda is forgetting to reset the current FBO when resolving multisamples.
 2018-04-04 21:46:01 +02:00
rdb 9638eb47eb Add support for geometry with adjacency information 
Example code: https://gist.github.com/rdb/7cebb8941b962c59d5a092048efb3855
 2018-03-01 21:20:19 +01:00
rdb 428c5cbbf3 gles2gsg: fix compilation error with OpenGL ES 2 2018-01-05 14:34:15 +01:00
rdb a96b171095 glgsg: only consider texture/texgen in munger if !gl_parallel_arrays 
This could possibly be used to workaround issue #218
 2017-12-31 09:51:25 +01:00
rdb 7ee9467f8d shadows: fix shadow buffer creation deadlock in multithreaded pipeline 
Fixes #162
 2017-12-30 17:47:15 +01:00
rdb ef7f856c46 cocoa: support windowless offscreen rendering on macOS 
Fixes: #183
 2017-12-20 14:27:08 +01:00
rdb f82a940878 glgsg: fix shader version in macOS 3.2+ context 2017-12-20 14:16:05 +01:00
rdb e9a50c8898 texture: fix get_clear_data() return type, make it work with sRGB 2017-12-19 19:27:36 +01:00
rdb e4e24eee56 glgsg: use T_float when downloading 24-bit depth textures 
This is to match behavior with previous Panda3D versions.  See #212
 2017-12-19 18:44:44 +01:00
rdb 29f50be15e Fix bug: copy-to-ram depth texture binding gets format set to RGB 
This was a regression introduced by be8f4de337

Fixes: #212
 2017-12-16 21:03:08 +01:00
rdb 410049fd4b Improvements for ShaderGenerator-based programs: 
* Disable state munger, which isn't needed
 * Reflect updates to TextureStage properties (Fixes #178)
 * Also respect combine mode and rgb scale changes
 * Allow rehashing and clearing generated shader cache

State munger is now disabled whenever any shader is applied.  Panda assumes that any custom shader will apply color scale by itself.
 2017-10-18 11:16:29 +02:00
rdb 85a9cdd052 Add a way to get access to OpenGL texture index 2017-10-05 17:34:26 +02:00
rdb e3d8123940 glsl: fix broken shadowMatrix as member of named light input 
Fixes: #157
 2017-08-07 22:58:02 +02:00
rdb e45af355cc glgsg: fix multisample FBO regression (on Intel Windows driver) 2017-07-09 15:32:13 +02:00
rdb fa1c480508 general: clean up use of override keyword 2017-07-03 12:56:23 +02:00
rdb 48c811e112 cull: remove GeomMunger stored on CullableObject 2017-07-03 11:47:59 +02:00
rdb 7755a2e1c7 shadows: provide dummy shadow maps for nonexistent/noncasting lights 2017-05-15 14:50:50 +02:00
rdb e67ebd80cd glgsg: deal with false negatives with feature checks on Intel 2017-04-14 19:40:02 +02:00
rdb fa1b656961 glgsg: fix get_host() of GL FBO. Fixes LP 1672560 shadow bug 2017-04-09 22:14:20 +02:00
rdb 2980bbc955 android: fix error when uploading BGRA image 2017-04-03 01:41:28 +02:00
rdb 6f8b379bda Big patch full of performance improvements 
This particularly benefits applications with a lot of nodes.
 2017-04-03 01:41:23 +02:00