@ -37,6 +37,7 @@ using Tegra::Shader::IpaMode;
using Tegra : : Shader : : IpaSampleMode ;
using Tegra : : Shader : : PixelImap ;
using Tegra : : Shader : : Register ;
using Tegra : : Shader : : TextureType ;
using VideoCommon : : Shader : : BuildTransformFeedback ;
using VideoCommon : : Shader : : Registry ;
@ -526,6 +527,9 @@ private:
if ( device . HasImageLoadFormatted ( ) ) {
code . AddLine ( " #extension GL_EXT_shader_image_load_formatted : require " ) ;
}
if ( device . HasTextureShadowLod ( ) ) {
code . AddLine ( " #extension GL_EXT_texture_shadow_lod : require " ) ;
}
if ( device . HasWarpIntrinsics ( ) ) {
code . AddLine ( " #extension GL_NV_gpu_shader5 : require " ) ;
code . AddLine ( " #extension GL_NV_shader_thread_group : require " ) ;
@ -909,13 +913,13 @@ private:
return " samplerBuffer " ;
}
switch ( sampler . type ) {
case Te gra: : Shader : : Te xtureType: : Texture1D :
case Te xtureType: : Texture1D :
return " sampler1D " ;
case Te gra: : Shader : : Te xtureType: : Texture2D :
case Te xtureType: : Texture2D :
return " sampler2D " ;
case Te gra: : Shader : : Te xtureType: : Texture3D :
case Te xtureType: : Texture3D :
return " sampler3D " ;
case Te gra: : Shader : : Te xtureType: : TextureCube :
case Te xtureType: : TextureCube :
return " samplerCube " ;
default :
UNREACHABLE ( ) ;
@ -1380,8 +1384,19 @@ private:
const std : : size_t count = operation . GetOperandsCount ( ) ;
const bool has_array = meta - > sampler . is_array ;
const bool has_shadow = meta - > sampler . is_shadow ;
const bool workaround_lod_array_shadow_as_grad =
! device . HasTextureShadowLod ( ) & & function_suffix = = " Lod " & & meta - > sampler . is_shadow & &
( ( meta - > sampler . type = = TextureType : : Texture2D & & meta - > sampler . is_array ) | |
meta - > sampler . type = = TextureType : : TextureCube ) ;
std : : string expr = " texture " ;
if ( workaround_lod_array_shadow_as_grad ) {
expr + = " Grad " ;
} else {
expr + = function_suffix ;
}
std : : string expr = " texture " + function_suffix ;
if ( ! meta - > aoffi . empty ( ) ) {
expr + = " Offset " ;
} else if ( ! meta - > ptp . empty ( ) ) {
@ -1415,6 +1430,16 @@ private:
expr + = ' ) ' ;
}
if ( workaround_lod_array_shadow_as_grad ) {
switch ( meta - > sampler . type ) {
case TextureType : : Texture2D :
return expr + " , vec2(0.0), vec2(0.0)) " ;
case TextureType : : TextureCube :
return expr + " , vec3(0.0), vec3(0.0)) " ;
}
UNREACHABLE ( ) ;
}
for ( const auto & variant : extras ) {
if ( const auto argument = std : : get_if < TextureArgument > ( & variant ) ) {
expr + = GenerateTextureArgument ( * argument ) ;
@ -2041,8 +2066,19 @@ private:
const auto meta = std : : get_if < MetaTexture > ( & operation . GetMeta ( ) ) ;
ASSERT ( meta ) ;
std : : string expr = GenerateTexture (
operation , " Lod " , { TextureArgument { Type : : Float , meta - > lod } , TextureOffset { } } ) ;
std : : string expr { } ;
if ( ! device . HasTextureShadowLod ( ) & & meta - > sampler . is_shadow & &
( ( meta - > sampler . type = = TextureType : : Texture2D & & meta - > sampler . is_array ) | |
meta - > sampler . type = = TextureType : : TextureCube ) ) {
LOG_ERROR ( Render_OpenGL ,
" Device lacks GL_EXT_texture_shadow_lod, using textureGrad as a workaround " ) ;
expr = GenerateTexture ( operation , " Lod " , { } ) ;
} else {
expr = GenerateTexture ( operation , " Lod " ,
{ TextureArgument { Type : : Float , meta - > lod } , TextureOffset { } } ) ;
}
if ( meta - > sampler . is_shadow ) {
expr = " vec4( " + expr + ' ) ' ;
}