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Add support for ARB_texture_multisample

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GLSL Version : >= 140

Purpose:
Allow users to use features by enabling this extension, even in low versions.

Extension Name:
ARB_texture_multisample

Builtin-variables:
Nah

Builtin-functions:
Nah

Keywords:
      sampler2DMS, isampler2DMS, usampler2DMS,
      sampler2DMSArray, isampler2DMSArray, usampler2DMSArray

Reference:
https://www.khronos.org/registry/OpenGL/extensions/ARB/ARB_texture_multisample.txt
This commit is contained in:
Chow 2019-11-26 16:28:52 +08:00
parent bd97b6f9f2
commit a8f9886cc6
5 changed files with 102 additions and 85 deletions
Download patch file Download diff file Expand all files Collapse all files

6
glslang/MachineIndependent/Scan.cpp
View file

@ -1421,6 +1421,9 @@ int TScanContext::tokenizeIdentifier()
afterType = true;
if (parseContext.isEsProfile() && parseContext.version >= 310)
return keyword;
if (!parseContext.isEsProfile() && (parseContext.version > 140 ||
(parseContext.version == 140 && parseContext.extensionsTurnedOn(1, &E_GL_ARB_texture_multisample))))
return keyword;
return es30ReservedFromGLSL(150);
case SAMPLER2DMSARRAY:
@ -1430,6 +1433,9 @@ int TScanContext::tokenizeIdentifier()
if ((parseContext.isEsProfile() && parseContext.version >= 320) ||
parseContext.extensionsTurnedOn(1, &E_GL_OES_texture_storage_multisample_2d_array))
return keyword;
if (!parseContext.isEsProfile() && (parseContext.version > 140 ||
(parseContext.version == 140 && parseContext.extensionsTurnedOn(1, &E_GL_ARB_texture_multisample))))
return keyword;
return es30ReservedFromGLSL(150);
case SAMPLER1D:

2
glslang/MachineIndependent/Versions.cpp
View file

@ -172,6 +172,7 @@ void TParseVersions::initializeExtensionBehavior()
extensionBehavior[E_GL_ARB_tessellation_shader] = EBhDisable;
extensionBehavior[E_GL_ARB_enhanced_layouts] = EBhDisable;
extensionBehavior[E_GL_ARB_texture_cube_map_array] = EBhDisable;
extensionBehavior[E_GL_ARB_texture_multisample] = EBhDisable;
extensionBehavior[E_GL_ARB_shader_texture_lod] = EBhDisable;
extensionBehavior[E_GL_ARB_explicit_attrib_location] = EBhDisable;
extensionBehavior[E_GL_ARB_explicit_uniform_location] = EBhDisable;
@ -379,6 +380,7 @@ void TParseVersions::getPreamble(std::string& preamble)
"#define GL_ARB_tessellation_shader 1\n"
"#define GL_ARB_enhanced_layouts 1\n"
"#define GL_ARB_texture_cube_map_array 1\n"
"#define GL_ARB_texture_multisample 1\n"
"#define GL_ARB_shader_texture_lod 1\n"
"#define GL_ARB_explicit_attrib_location 1\n"
"#define GL_ARB_explicit_uniform_location 1\n"

1
glslang/MachineIndependent/Versions.h
View file

@ -124,6 +124,7 @@ const char* const E_GL_ARB_compute_shader = "GL_ARB_compute_shader
const char* const E_GL_ARB_tessellation_shader = "GL_ARB_tessellation_shader";
const char* const E_GL_ARB_enhanced_layouts = "GL_ARB_enhanced_layouts";
const char* const E_GL_ARB_texture_cube_map_array = "GL_ARB_texture_cube_map_array";
const char* const E_GL_ARB_texture_multisample = "GL_ARB_texture_multisample";
const char* const E_GL_ARB_shader_texture_lod = "GL_ARB_shader_texture_lod";
const char* const E_GL_ARB_explicit_attrib_location = "GL_ARB_explicit_attrib_location";
const char* const E_GL_ARB_explicit_uniform_location = "GL_ARB_explicit_uniform_location";