7a6c2da9aa
GLSL and RelaxedPrecision are quite different in what they affect. RelaxedPrecision affects operations, while this is merely implied in GLSL based on inputs. This leads to situations where we have to promote mediump inputs to highp, and the simplest approach is to force highp temporaries for inputs which are consumed in a highp context. For completeness, we also demote RelaxedPrecision inputs to mediump variables. PHI is handled by copying the PHI into a temporary. We have to be very careful with hoisted temporaries, since the child temporary will not be analyzed up-front. We inherit the hoisted-ness state and emit the hoisted child temporary as necessary. When faking the temporaries with OpCopyObject, we make sure to block any variable hoisting. Hoisting children of PHI variables is fine, since PHIs are not hoisted with the same framework as other temporaries.
128 lines
3.4 KiB
GLSL
128 lines
3.4 KiB
GLSL
#version 310 es
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#ifdef GL_ARB_shader_draw_parameters
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#extension GL_ARB_shader_draw_parameters : enable
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#endif
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struct PatchData
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{
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vec4 Position;
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vec4 LODs;
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};
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layout(binding = 0, std140) uniform Offsets
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{
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PatchData Patches[256];
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} _53;
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layout(binding = 4, std140) uniform GlobalOcean
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{
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vec4 OceanScale;
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vec4 OceanPosition;
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vec4 InvOceanSize_PatchScale;
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vec4 NormalTexCoordScale;
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} _180;
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layout(binding = 0, std140) uniform GlobalVSData
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{
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vec4 g_ViewProj_Row0;
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vec4 g_ViewProj_Row1;
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vec4 g_ViewProj_Row2;
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vec4 g_ViewProj_Row3;
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vec4 g_CamPos;
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vec4 g_CamRight;
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vec4 g_CamUp;
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vec4 g_CamFront;
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vec4 g_SunDir;
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vec4 g_SunColor;
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vec4 g_TimeParams;
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vec4 g_ResolutionParams;
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vec4 g_CamAxisRight;
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vec4 g_FogColor_Distance;
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vec4 g_ShadowVP_Row0;
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vec4 g_ShadowVP_Row1;
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vec4 g_ShadowVP_Row2;
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vec4 g_ShadowVP_Row3;
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} _273;
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layout(binding = 1) uniform mediump sampler2D TexLOD;
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layout(binding = 0) uniform mediump sampler2D TexDisplacement;
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layout(location = 1) in vec4 LODWeights;
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#ifdef GL_ARB_shader_draw_parameters
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#define SPIRV_Cross_BaseInstance gl_BaseInstanceARB
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#else
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uniform int SPIRV_Cross_BaseInstance;
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#endif
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layout(location = 0) in vec4 Position;
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layout(location = 0) out vec3 EyeVec;
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layout(location = 1) out vec4 TexCoord;
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uvec4 _476;
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void main()
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{
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float _351 = all(equal(LODWeights, vec4(0.0))) ? _53.Patches[(gl_InstanceID + SPIRV_Cross_BaseInstance)].Position.w : dot(LODWeights, _53.Patches[(gl_InstanceID + SPIRV_Cross_BaseInstance)].LODs);
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float _353 = floor(_351);
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uint _358 = uint(_353);
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uvec4 _360 = uvec4(Position);
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uvec2 _367 = (uvec2(1u) << uvec2(_358, _358 + 1u)) - uvec2(1u);
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bool _370 = _360.x < 32u;
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uint _467;
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if (_370)
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{
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_467 = _367.x;
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}
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else
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{
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_467 = 0u;
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}
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uvec4 _445 = _476;
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_445.x = _467;
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bool _380 = _360.y < 32u;
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uint _470;
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if (_380)
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{
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_470 = _367.x;
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}
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else
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{
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_470 = 0u;
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}
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uvec4 _449 = _445;
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_449.y = _470;
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uint _472;
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if (_370)
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{
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_472 = _367.y;
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}
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else
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{
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_472 = 0u;
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}
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uvec4 _453 = _449;
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_453.z = _472;
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uint _474;
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if (_380)
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{
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_474 = _367.y;
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}
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else
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{
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_474 = 0u;
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}
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uvec4 _457 = _453;
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_457.w = _474;
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vec4 _416 = vec4((_360.xyxy + _457) & (~_367).xxyy);
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vec2 _197 = ((_53.Patches[(gl_InstanceID + SPIRV_Cross_BaseInstance)].Position.xz * _180.InvOceanSize_PatchScale.zw) + mix(_416.xy, _416.zw, vec2(_351 - _353))) * _180.InvOceanSize_PatchScale.xy;
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vec2 _204 = _197 * _180.NormalTexCoordScale.zw;
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mediump float _433 = textureLod(TexLOD, _197, 0.0).x * 7.96875;
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float hp_copy_433 = _433;
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float _435 = floor(hp_copy_433);
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vec2 _220 = (_180.InvOceanSize_PatchScale.xy * exp2(_435)) * _180.NormalTexCoordScale.zw;
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vec3 _267 = ((vec3(_197.x, 0.0, _197.y) + mix(textureLod(TexDisplacement, _204 + (_220 * 0.5), _435).yxz, textureLod(TexDisplacement, _204 + (_220 * 1.0), _435 + 1.0).yxz, vec3(_433 - _435))) * _180.OceanScale.xyz) + _180.OceanPosition.xyz;
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EyeVec = _267 - _273.g_CamPos.xyz;
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TexCoord = vec4(_204, _204 * _180.NormalTexCoordScale.xy) + ((_180.InvOceanSize_PatchScale.xyxy * 0.5) * _180.NormalTexCoordScale.zwzw);
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gl_Position = (((_273.g_ViewProj_Row0 * _267.x) + (_273.g_ViewProj_Row1 * _267.y)) + (_273.g_ViewProj_Row2 * _267.z)) + _273.g_ViewProj_Row3;
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}
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