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Author SHA1 Message Date
Adam Jackson
93deac5295 Fix incompatibility with <GL/glext.h> 
New extensions in glext.h follow the pattern:

    #ifndef GL_ARB_texture_rectangle
    #define GL_ARB_texture_rectangle 1
    #define GL_TEXTURE_RECTANGLE_ARB          0x84F5
    #define GL_TEXTURE_BINDING_RECTANGLE_ARB  0x84F6
    #define GL_PROXY_TEXTURE_RECTANGLE_ARB    0x84F7
    #define GL_MAX_RECTANGLE_TEXTURE_SIZE_ARB 0x84F8
    #endif /* GL_ARB_texture_rectangle */

Versions.h tries to declare:

    const char* const GL_ARB_texture_rectangle = "GL_ARB_texture_rectangle";

Which means, if you've included glext.h before Versions.h, that the
compiler will see "const char* const 1 = ...", and rightly refuse to
continue.

The ham-fisted approach taken here is to rename the variables in
Versions.h with a leading underscore.  This does sort of undermine the
comment about "better to have the compiler do spelling checks", but.

Signed-off-by: Adam Jackson <ajax@redhat.com>
 2015-06-30 10:11:38 -04:00
John Kessenich
b61b82182f glslang front-end: Implement AEP *_point_size extensions. 
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@31560 e7fa87d3-cd2b-0410-9028-fcbf551c1848
 2015-06-23 04:14:00 +00:00
John Kessenich
edadf45605 glslang: Add API override of version and profile for testing purposes. From Lei Zhang <antiagainst@google.com>. 
Add defaultProfile and forceDefaultVersionAndProfile into shader
compilation interface.

forceDefaultVersionAndProfile allows us to force parsing the input
shaders using defaultVersion and defaultProfile, regardless of
the #version directive in input shaders.

These two parameters enables us to programmatically invoke glslang
but specify version and profile from somewhere else like command
line.

git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@31504 e7fa87d3-cd2b-0410-9028-fcbf551c1848
 2015-06-16 19:01:56 +00:00
John Kessenich
f6deb6203a glslang AEP: Geometry shader features nominally working. (Full semantic check and turn on pending.) Also picked up partial tessellation shader interface, shader_io_blocks, and mirrored OES set of extensions functionality. 
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@31487 e7fa87d3-cd2b-0410-9028-fcbf551c1848
 2015-06-14 21:36:44 +00:00
John Kessenich
453bb26ef5 glslang AEP: The extension scheme, extension-enabled stage-existence testing, and compute-shader interface. Still needs in/out blocks, unsized arrays, etc. before real testing can be done. 
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@31479 e7fa87d3-cd2b-0410-9028-fcbf551c1848
 2015-06-12 05:01:25 +00:00
John Kessenich
ad54b24fba Implement GL_ARB_viewport_array extension. 
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@28653 e7fa87d3-cd2b-0410-9028-fcbf551c1848
 2014-10-17 20:01:27 +00:00
John Kessenich
cd77f8e922 Implement GL_ARB_shader_texture_image_samples. Also add in gl_MaxSamples and the float imageAtomicExchange. 
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@27721 e7fa87d3-cd2b-0410-9028-fcbf551c1848
 2014-08-13 16:54:02 +00:00
John Kessenich
699684180f Implement cull distances for GLSL 4.5 (but not as an extension yet, just a 4.5 feature). 
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@27714 e7fa87d3-cd2b-0410-9028-fcbf551c1848
 2014-08-13 06:37:59 +00:00
John Kessenich
13fd6c9dd7 Implement GL_ARB_derivative_control. 
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@27713 e7fa87d3-cd2b-0410-9028-fcbf551c1848
 2014-08-13 04:15:56 +00:00
John Kessenich
265f5fb80e Finish virtually all of the remaining atomic counter functionality. Still need offset collision detection. 
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@27712 e7fa87d3-cd2b-0410-9028-fcbf551c1848
 2014-08-13 01:04:28 +00:00
John Kessenich
ddea678e3e Implement GL_ARB_shader_image_load_store. Partly done (format layout qualifiers) from a submission. 
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@27670 e7fa87d3-cd2b-0410-9028-fcbf551c1848
 2014-08-10 18:19:36 +00:00
John Kessenich
f856599601 Implement most of GL_ARB_explicit_attrib_location (all but index on fragment output). 
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@27545 e7fa87d3-cd2b-0410-9028-fcbf551c1848
 2014-07-29 19:31:13 +00:00
John Kessenich
3591930f23 Add partial support for GL_ARB_shader_texture_lod. 
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@26945 e7fa87d3-cd2b-0410-9028-fcbf551c1848
 2014-06-03 19:28:48 +00:00
John Kessenich
e5fbec8a17 Support GL_ARB_texture_cube_map_array extension for desktop. 
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@25025 e7fa87d3-cd2b-0410-9028-fcbf551c1848
 2014-01-26 22:22:54 +00:00
John Kessenich
b76d6d6496 GL_ARB_enhanced_layouts, part 1: Track whether constants are literals, to enable version-specific checking of layout(... = literal) vs. layout(... = expression). 
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@24675 e7fa87d3-cd2b-0410-9028-fcbf551c1848
 2014-01-07 18:14:48 +00:00
John Kessenich
e8fe7b81d7 Allow tessellation shaders to work on versions back to 150. Also combined all the tessellation tests into a single run. 
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@24569 e7fa87d3-cd2b-0410-9028-fcbf551c1848
 2013-12-18 18:47:12 +00:00
John Kessenich
623833fabc Tessellation partial implementation (not ready for use yet), including: 
- the built-in constants
 - built-in variable declarations, some dependent on gl_MaxPatchVertices
 - layout qualifier for vertices (shared with geometry shader max_vertices)
 - layout qualifiers for vertex spacing, vertex order, point mode, and primitive type
 - link semantics for layout qualifiers

Still TBD:
 - patch qualifier and arrayed input handling
 - sizing of gl_out[]
 - additional semantic checking
 - supporting the extension on version 150

git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@24468 e7fa87d3-cd2b-0410-9028-fcbf551c1848
 2013-12-11 18:57:40 +00:00
John Kessenich
d6bef9186b Correct textureGather*() extension support: 
- add extension behavior and warning message for partial extension support
 - add partial support for gpu_shader5 for textureGather*
 - add interactions between texture rectangle and textureGather*
 - add checks to distinguish between gpu_shader5 and texture_gather extension feature differences


git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@24183 e7fa87d3-cd2b-0410-9028-fcbf551c1848
 2013-11-23 21:10:51 +00:00
John Kessenich
ad43f6f684 Implement GL_EXT_shader_texture_lod. 
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@24177 e7fa87d3-cd2b-0410-9028-fcbf551c1848
 2013-11-22 17:30:34 +00:00
John Kessenich
bd1a5b7727 Add GL_OES_EGL_image_external. Includes new keyword, type, name mangling, built-in function calls, etc. 
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@24007 e7fa87d3-cd2b-0410-9028-fcbf551c1848
 2013-11-11 23:29:59 +00:00
John Kessenich
99296369d3 Add GL_EXT_frag_depth. 
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@24003 e7fa87d3-cd2b-0410-9028-fcbf551c1848
 2013-11-11 20:51:50 +00:00
John Kessenich
06a37c3964 Add GL_OES_standard_derivatives. Also added extension infrastructure that allows built-in symbols to be tagged with extensions and automatically error checked against them. 
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@24002 e7fa87d3-cd2b-0410-9028-fcbf551c1848
 2013-11-11 20:31:45 +00:00
John Kessenich
115a0adc29 Add GL_OES_texture_3D extension. Also, minor tweaks to extension adding infrastructure. 
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@24001 e7fa87d3-cd2b-0410-9028-fcbf551c1848
 2013-11-11 18:50:06 +00:00
John Kessenich
c78a126ba6 Tie "location = " to the right stages/versions/extensions. Also add "#define extension 1" extension support and instructions. 
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@23633 e7fa87d3-cd2b-0410-9028-fcbf551c1848
 2013-10-22 00:21:04 +00:00
John Kessenich
21a8770f92 Add texture gather functions (and extension check) for GLSL 400 and GL_ARB_texture_gather. 
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@23631 e7fa87d3-cd2b-0410-9028-fcbf551c1848
 2013-10-21 19:25:59 +00:00
John Kessenich
816e9bc90b Improve robustness of extension checking, and its intersection with ES 100 features. 
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@23388 e7fa87d3-cd2b-0410-9028-fcbf551c1848
 2013-10-04 21:09:36 +00:00
John Kessenich
61c2d1410a Document how to add a new feature enabled by an extension in Versions.cpp. Also reorganized slightly to localize related functions. 
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@23376 e7fa87d3-cd2b-0410-9028-fcbf551c1848
 2013-10-03 20:23:57 +00:00
John Kessenich
45b009a364 Update copyrights to 2013 for files with real change in them. 
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@20101 e7fa87d3-cd2b-0410-9028-fcbf551c1848
 2013-01-11 18:40:40 +00:00
John Kessenich
9fd55bd338 Add a new shader-versioning infrastructure capable of handling multiple profiles, desktop/ES, many versions, features coming and going in different versions across different profiles, and extensions. 
NB: *Use* of this infrastructure is so far only skeletal.

Fixed a few typos and minor issues along the way.


git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@19951 e7fa87d3-cd2b-0410-9028-fcbf551c1848
 2012-12-13 00:05:26 +00:00