95 lines
2.7 KiB
GLSL
95 lines
2.7 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 PerPatch
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{
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PatchData Patches[256];
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} _53;
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layout(binding = 2, std140) uniform GlobalGround
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{
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vec4 GroundScale;
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vec4 GroundPosition;
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vec4 InvGroundSize_PatchScale;
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} _156;
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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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} _236;
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layout(binding = 1) uniform mediump sampler2D TexLOD;
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layout(binding = 0) uniform mediump sampler2D TexHeightmap;
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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 vec2 Position;
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layout(location = 1) out vec3 EyeVec;
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layout(location = 0) out vec2 TexCoord;
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void main()
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{
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float _301 = 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 _303 = floor(_301);
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uint _308 = uint(_303);
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uvec2 _310 = uvec2(Position);
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uvec2 _317 = (uvec2(1u) << uvec2(_308, _308 + 1u)) - uvec2(1u);
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uint _384;
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if (_310.x < 32u)
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{
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_384 = _317.x;
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}
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else
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{
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_384 = 0u;
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}
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uint _385;
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if (_310.y < 32u)
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{
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_385 = _317.y;
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}
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else
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{
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_385 = 0u;
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}
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vec4 _345 = vec4((_310 + uvec2(_384, _385)).xyxy & (~_317).xxyy);
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vec2 _173 = ((_53.Patches[(gl_InstanceID + SPIRV_Cross_BaseInstance)].Position.xz * _156.InvGroundSize_PatchScale.zw) + mix(_345.xy, _345.zw, vec2(_301 - _303))) * _156.InvGroundSize_PatchScale.xy;
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mediump float _362 = textureLod(TexLOD, _173, 0.0).x * 7.96875;
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float _364 = floor(_362);
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vec2 _185 = _156.InvGroundSize_PatchScale.xy * exp2(_364);
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vec3 _230 = (vec3(_173.x, mix(textureLod(TexHeightmap, _173 + (_185 * 0.5), _364).x, textureLod(TexHeightmap, _173 + (_185 * 1.0), _364 + 1.0).x, _362 - _364), _173.y) * _156.GroundScale.xyz) + _156.GroundPosition.xyz;
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EyeVec = _230 - _236.g_CamPos.xyz;
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TexCoord = _173 + (_156.InvGroundSize_PatchScale.xy * 0.5);
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gl_Position = (((_236.g_ViewProj_Row0 * _230.x) + (_236.g_ViewProj_Row1 * _230.y)) + (_236.g_ViewProj_Row2 * _230.z)) + _236.g_ViewProj_Row3;
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}
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