| /* |
| * Copyright 2024 Rive |
| */ |
| |
| VARYING_BLOCK_BEGIN |
| #ifndef @USE_TEXEL_FETCH_WITH_FRAG_COORD |
| NO_PERSPECTIVE VARYING(0, float2, v_texCoord); |
| #endif |
| VARYING_BLOCK_END |
| |
| #ifdef @VERTEX |
| VERTEX_TEXTURE_BLOCK_BEGIN |
| VERTEX_TEXTURE_BLOCK_END |
| |
| VERTEX_STORAGE_BUFFER_BLOCK_BEGIN |
| VERTEX_STORAGE_BUFFER_BLOCK_END |
| |
| VERTEX_MAIN(@blitVertexMain, Attrs, attrs, _vertexID, _instanceID) |
| { |
| // Fill the entire screen. The caller will use a scissor test to control the |
| // bounds being drawn. |
| float2 coord; |
| coord.x = (_vertexID & 1) == 0 ? -1. : 1.; |
| coord.y = (_vertexID & 2) == 0 ? -1. : 1.; |
| #ifndef @USE_TEXEL_FETCH_WITH_FRAG_COORD |
| VARYING_INIT(v_texCoord, float2); |
| v_texCoord.x = coord.x * .5 + .5; |
| v_texCoord.y = coord.y * -.5 + .5; |
| VARYING_PACK(v_texCoord); |
| #endif |
| float4 pos = float4(coord, 0, 1); |
| EMIT_VERTEX(pos); |
| } |
| #endif // @VERTEX |
| |
| #ifdef @FRAGMENT |
| FRAG_TEXTURE_BLOCK_BEGIN |
| TEXTURE_RGBA8(0, 0, @sourceTexture); |
| FRAG_TEXTURE_BLOCK_END |
| |
| #ifndef @USE_TEXEL_FETCH_WITH_FRAG_COORD |
| DYNAMIC_SAMPLER_BLOCK_BEGIN |
| SAMPLER_DYNAMIC(0, 1, blitSampler) |
| DYNAMIC_SAMPLER_BLOCK_END |
| #endif |
| |
| FRAG_DATA_MAIN(half4, @blitFragmentMain) |
| { |
| half4 srcColor; |
| #ifndef @USE_TEXEL_FETCH_WITH_FRAG_COORD |
| VARYING_UNPACK(v_texCoord, float2); |
| srcColor = TEXTURE_SAMPLE_LOD(@sourceTexture, blitSampler, v_texCoord, .0); |
| #else |
| srcColor = TEXEL_FETCH(@sourceTexture, int2(floor(_fragCoord.xy))); |
| #endif |
| EMIT_FRAG_DATA(srcColor); |
| } |
| #endif // @FRAGMENT |
