| /* |
| * Copyright 2023 Rive |
| */ |
| |
| // This header provides GLSL-specific #defines and declarations that enable our shaders to be |
| // compiled on MSL and GLSL both. |
| |
| #define GLSL |
| |
| #define float2 vec2 |
| #define float3 vec3 |
| #define packed_float3 vec3 |
| #define float4 vec4 |
| |
| #define half mediump float |
| #define half2 mediump vec2 |
| #define half3 mediump vec3 |
| #define half4 mediump vec4 |
| #define make_half float |
| #define make_half2 vec2 |
| #define make_half3 vec3 |
| #define make_half4 vec4 |
| |
| #define int2 ivec2 |
| #define int3 ivec3 |
| #define int4 ivec4 |
| |
| #define short mediump int |
| #define short2 mediump ivec2 |
| #define short3 mediump ivec3 |
| #define short4 mediump ivec4 |
| #define make_short ivec |
| #define make_short2 ivec2 |
| #define make_short3 ivec3 |
| #define make_short4 ivec4 |
| |
| #define uint2 uvec2 |
| #define uint3 uvec3 |
| #define uint4 uvec4 |
| |
| #define ushort mediump uint |
| #define ushort2 mediump uvec2 |
| #define ushort3 mediump uvec3 |
| #define ushort4 mediump uvec4 |
| #define make_ushort uint |
| #define make_ushort2 uvec2 |
| #define make_ushort3 uvec3 |
| #define make_ushort4 uvec4 |
| |
| #define float2x2 mat2 |
| #define make_half3x4 mat3x4 |
| |
| #define INLINE |
| |
| #if defined(GL_ANGLE_base_vertex_base_instance_shader_builtin) |
| #extension GL_ANGLE_base_vertex_base_instance_shader_builtin : require |
| #endif |
| |
| #define UNIFORM_BLOCK_BEGIN(N) \ |
| layout(std140) uniform N \ |
| { |
| // clang-format barrier... Otherwise it tries to merge this #define into the above macro... |
| #define UNIFORM_BLOCK_END(NAME) \ |
| } \ |
| NAME; |
| |
| #define ATTR_BLOCK_BEGIN(NAME) |
| #define ATTR(IDX, TYPE, NAME) layout(location = IDX) in TYPE NAME |
| #define ATTR_BLOCK_END |
| #define ATTR_LOAD(A, B, C, D) |
| #define ATTR_UNPACK(ID, attrs, NAME, TYPE) |
| |
| #ifdef @VERTEX |
| #define VARYING(IDX, TYPE, NAME) out TYPE NAME |
| #else |
| #define VARYING(IDX, TYPE, NAME) in TYPE NAME |
| #endif |
| #define FLAT flat |
| #define VARYING_BLOCK_BEGIN(NAME) |
| #define VARYING_BLOCK_END(_pos) |
| |
| #if defined(GL_NV_shader_noperspective_interpolation) |
| #extension GL_NV_shader_noperspective_interpolation : require |
| #define NO_PERSPECTIVE noperspective |
| #else |
| #define NO_PERSPECTIVE |
| #endif |
| |
| #ifdef @VERTEX |
| #define VERTEX_TEXTURE_BLOCK_BEGIN(NAME) |
| #define VERTEX_TEXTURE_BLOCK_END |
| #endif |
| |
| #ifdef @FRAGMENT |
| #define FRAG_TEXTURE_BLOCK_BEGIN(NAME) |
| #define FRAG_TEXTURE_BLOCK_END |
| #endif |
| |
| #define TEXTURE_RGBA32UI(IDX, NAME) uniform highp usampler2D NAME |
| #define TEXTURE_RGBA32F(IDX, NAME) uniform highp sampler2D NAME |
| #define TEXTURE_RGBA8(IDX, NAME) uniform mediump sampler2D NAME |
| |
| #define TEXEL_FETCH(TEXTURE_BLOCK, NAME, COORD) texelFetch(NAME, COORD, 0) |
| #define TEXTURE_SAMPLE(TEXTURE_BLOCK, NAME, SAMPLER_NAME, COORD) texture(NAME, COORD) |
| #define GRADIENT_SAMPLER_DECL(IDX, NAME) |
| |
| // Define macros for implementing pixel local storage based on available extensions. |
| #ifdef @PLS_IMPL_WEBGL |
| |
| #extension GL_ANGLE_shader_pixel_local_storage : require |
| |
| #define PLS_BLOCK_BEGIN |
| #define PLS_DECL4F(IDX, NAME) layout(binding = IDX, rgba8) uniform lowp pixelLocalANGLE NAME |
| #define PLS_DECL2F(IDX, NAME) layout(binding = IDX, r32ui) uniform highp upixelLocalANGLE NAME |
| #define PLS_BLOCK_END |
| |
| #define PLS_LOAD4F(P) pixelLocalLoadANGLE(P) |
| #define PLS_LOAD2F(P) unpackHalf2x16(pixelLocalLoadANGLE(P).x) |
| #define PLS_STORE4F(P, V) pixelLocalStoreANGLE(P, V) |
| #define PLS_STORE2F(P, X, Y) pixelLocalStoreANGLE(P, uvec4(packHalf2x16(vec2(X, Y)))) |
| |
| #define PLS_PRESERVE_VALUE(P) |
| |
| #define PLS_INTERLOCK_BEGIN |
| #define PLS_INTERLOCK_END |
| |
| #endif |
| |
| #ifdef @PLS_IMPL_EXT_NATIVE |
| |
| #extension GL_EXT_shader_pixel_local_storage : require |
| |
| // We need one of the framebuffer fetch extensions for the shader that loads the framebuffer. |
| #extension GL_ARM_shader_framebuffer_fetch : enable |
| #extension GL_EXT_shader_framebuffer_fetch : enable |
| |
| #define PLS_BLOCK_BEGIN \ |
| __pixel_localEXT PLS \ |
| { |
| #define PLS_DECL4F(IDX, NAME) layout(rgba8) lowp vec4 NAME |
| #define PLS_DECL2F(IDX, NAME) layout(rg16f) mediump vec2 NAME |
| #define PLS_BLOCK_END \ |
| } \ |
| ; |
| |
| #define PLS_LOAD4F(P) P |
| #define PLS_LOAD2F(P) P |
| #define PLS_STORE4F(P, V) P = (V) |
| #define PLS_STORE2F(P, X, Y) P = vec2(X, Y) |
| |
| #define PLS_PRESERVE_VALUE(P) |
| |
| #define PLS_INTERLOCK_BEGIN |
| #define PLS_INTERLOCK_END |
| |
| #endif |
| |
| #ifdef @PLS_IMPL_FRAMEBUFFER_FETCH |
| |
| #extension GL_EXT_shader_framebuffer_fetch : require |
| |
| #define PLS_BLOCK_BEGIN |
| #define PLS_DECL4F(IDX, NAME) layout(location = IDX) inout lowp vec4 NAME |
| #define PLS_DECL2F(IDX, NAME) layout(location = IDX) inout highp uvec4 NAME |
| #define PLS_BLOCK_END |
| |
| #define PLS_LOAD4F(P) P |
| #define PLS_LOAD2F(P) unpackHalf2x16(P.x) |
| #define PLS_STORE4F(P, V) P = (V) |
| #define PLS_STORE2F(P, X, Y) P.x = packHalf2x16(vec2(X, Y)) |
| |
| // When using multiple color attachments, we have to write a value to every color attachment, every |
| // shader invocation, or else the contents become undefined. |
| #define PLS_PRESERVE_VALUE(P) P = P |
| |
| #define PLS_INTERLOCK_BEGIN |
| #define PLS_INTERLOCK_END |
| |
| #endif |
| |
| #ifdef @PLS_IMPL_RW_TEXTURE |
| |
| #if defined(GL_ARB_fragment_shader_interlock) |
| #extension GL_ARB_fragment_shader_interlock : require |
| #define PLS_INTERLOCK_BEGIN beginInvocationInterlockARB() |
| #define PLS_INTERLOCK_END endInvocationInterlockARB() |
| #elif defined(GL_INTEL_fragment_shader_ordering) |
| #extension GL_INTEL_fragment_shader_ordering : require |
| #define PLS_INTERLOCK_BEGIN beginFragmentShaderOrderingINTEL() |
| #define PLS_INTERLOCK_END |
| #endif |
| |
| #define PLS_BLOCK_BEGIN |
| #define PLS_DECL4F(IDX, NAME) layout(binding = IDX, rgba8) uniform lowp coherent image2D NAME |
| #define PLS_DECL2F(IDX, NAME) layout(binding = IDX, r32ui) uniform highp coherent uimage2D NAME |
| #define PLS_BLOCK_END |
| |
| #define PLS_LOAD4F(P) imageLoad(P, plsCoord) |
| #define PLS_LOAD2F(P) unpackHalf2x16(imageLoad(P, plsCoord).x) |
| #define PLS_STORE4F(P, V) imageStore(P, plsCoord, V) |
| #define PLS_STORE2F(P, X, Y) imageStore(P, plsCoord, uvec4(packHalf2x16(vec2(X, Y)))) |
| |
| #define PLS_PRESERVE_VALUE(P) |
| |
| #endif |
| |
| #ifdef @ENABLE_BASE_INSTANCE_POLYFILL |
| #define BASE_INSTANCE_POLYFILL_DECL(NAME) uniform int NAME |
| // The Qualcomm compiler doesn't like how clang-format handles these lines. |
| // clang-format off |
| #define VERTEX_MAIN(NAME, Uniforms, uniforms, Attrs, attrs, Varyings, varyings, VertexTextures, textures, _vertexID, _instanceID, _pos) \ |
| void main() \ |
| { \ |
| int _vertexID = gl_VertexID; \ |
| int _instanceID = gl_InstanceID; \ |
| vec4 _pos; |
| // clang-format on |
| #else |
| #ifdef GL_ANGLE_base_vertex_base_instance_shader_builtin |
| #extension GL_ANGLE_base_vertex_base_instance_shader_builtin : require |
| #endif |
| // The Qualcomm compiler doesn't like how clang-format handles these lines. |
| // clang-format off |
| #define VERTEX_MAIN(NAME, Uniforms, uniforms, Attrs, attrs, Varyings, varyings, VertexTextures, textures, _vertexID, _instanceID, _pos) \ |
| void main() \ |
| { \ |
| int _vertexID = gl_VertexID; \ |
| int _instanceID = gl_BaseInstance + gl_InstanceID; \ |
| vec4 _pos; |
| // clang-format on |
| #endif |
| |
| #define VARYING_INIT(varyings, NAME, TYPE) |
| #define VARYING_PACK(varyings, NAME) |
| #define VARYING_UNPACK(varyings, NAME, TYPE) |
| |
| #define EMIT_VERTEX(varyings, _pos) \ |
| } \ |
| gl_Position = _pos; |
| |
| #define FRAG_DATA_MAIN(DATA_TYPE, NAME, Varyings, varyings) \ |
| out DATA_TYPE _fd; \ |
| void main() |
| |
| #define EMIT_FRAG_DATA(VALUE) _fd = VALUE |
| |
| #ifdef @PLS_IMPL_RW_TEXTURE |
| #define PLS_MAIN(NAME, Varyings, varyings, FragmentTextures, textures, _pos) \ |
| void main() \ |
| { \ |
| highp ivec2 plsCoord = ivec2(floor(gl_FragCoord.xy)); |
| #else |
| #define PLS_MAIN(NAME, Varyings, varyings, FragmentTextures, textures, _pos) \ |
| void main() \ |
| { |
| #endif |
| |
| #define EMIT_PLS } |
| |
| #define MUL(A, B) ((A) * (B)) |
| |
| precision highp float; |
| precision highp int; |
