Fixed texture array support for embedded shaders.

3rdparty/glsl-optimizer/src/glsl/builtin_functions.cpp

@@ -161,6 +161,7 @@ lod_exists_in_stage(const _mesa_glsl_parse_state *state)
     */
    return state->stage == MESA_SHADER_VERTEX ||
           state->is_version(130, 300) ||
+          state->EXT_texture_array_enable || /* BK - don't complain about texture array in fragment shaders. */
           state->ARB_shader_texture_lod_enable;
 }
 

3rdparty/glsl-optimizer/src/glsl/glsl_parser_extras.cpp

@@ -570,7 +570,7 @@ static const _mesa_glsl_extension _mesa_glsl_supported_extensions[] = {
    EXT(EXT_shader_integer_mix,         true,  true,      EXT_shader_integer_mix),
    EXT(EXT_shader_texture_lod,         false, true,      ARB_shader_texture_lod),
    EXT(EXT_shadow_samplers,            false, true,      EXT_shadow_samplers),
-   EXT(EXT_texture_array,              true,  false,     EXT_texture_array),
+   EXT(EXT_texture_array,              true,  true,      EXT_texture_array), // BK - made it available in ESSL
 };
 
 #undef EXT

src/bgfx_shader.sh

@@ -362,6 +362,10 @@ float bgfxShadow2DProj(sampler2DShadow _sampler, vec4 _coord)
 #		define texture2D(_sampler, _coord) tex2D(_sampler, _coord)
 #		define texture2DProj(_sampler, _coord) bgfxTexture2DProj(_sampler, _coord)
 
+#		define SAMPLER2DARRAY(_name, _reg) SAMPLER2D(_name, _reg)
+#		define texture2DArray(_sampler, _coord) texture2D(_sampler, (_coord).xy)
+#		define texture2DArrayLod(_sampler, _coord, _lod) texture2DLod(_sampler, _coord, _lod)
+
 #		define SAMPLER2DSHADOW(_name, _reg) uniform sampler2DShadow _name : REGISTER(s, _reg)
 #		define shadow2D(_sampler, _coord) bgfxShadow2D(_sampler, _coord)
 #		define shadow2DProj(_sampler, _coord) bgfxShadow2DProj(_sampler, _coord)