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https://git.sr.ht/~eliasnaur/gio
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gpu/backend: move backend interface types to a separate package
Signed-off-by: Elias Naur <mail@eliasnaur.com>
This commit is contained in:
Elias Naur
+28
-26
@@ -2,10 +2,12 @@
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package gpu
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import "gioui.org/gpu/backend"
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var (
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shader_blit_frag = [...]ShaderSources{
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ShaderSources{
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Uniforms: []UniformLocation{
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shader_blit_frag = [...]backend.ShaderSources{
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backend.ShaderSources{
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Uniforms: []backend.UniformLocation{
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{Name: "_12._color", Type: 0, Size: 4, Offset: 0},
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},
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UniformSize: 16,
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@@ -47,8 +49,8 @@ var (
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*/
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HLSL: []byte(nil),
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},
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ShaderSources{
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Textures: []TextureBinding{
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backend.ShaderSources{
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Textures: []backend.TextureBinding{
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{Name: "tex", Binding: 0},
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},
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GLES2: "#version 100\nprecision mediump float;\nprecision highp int;\n\nuniform mediump sampler2D tex;\n\nvarying vec2 vUV;\n\nvoid main()\n{\n gl_FragData[0] = texture2D(tex, vUV);\n}\n\n",
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@@ -87,12 +89,12 @@ var (
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HLSL: []byte(nil),
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},
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}
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shader_blit_vert = ShaderSources{
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Inputs: []InputLocation{
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shader_blit_vert = backend.ShaderSources{
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Inputs: []backend.InputLocation{
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{Name: "pos", Location: 0, Semantic: "POSITION", SemanticIndex: 0, Type: 0, Size: 2},
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{Name: "uv", Location: 1, Semantic: "NORMAL", SemanticIndex: 0, Type: 0, Size: 2},
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},
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Uniforms: []UniformLocation{
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Uniforms: []backend.UniformLocation{
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{Name: "_15.z", Type: 0, Size: 1, Offset: 0},
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{Name: "_15.scale", Type: 0, Size: 2, Offset: 8},
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{Name: "_15.offset", Type: 0, Size: 2, Offset: 16},
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@@ -152,13 +154,13 @@ var (
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*/
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HLSL: []byte(nil),
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}
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shader_cover_frag = [...]ShaderSources{
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ShaderSources{
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Uniforms: []UniformLocation{
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shader_cover_frag = [...]backend.ShaderSources{
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backend.ShaderSources{
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Uniforms: []backend.UniformLocation{
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{Name: "_12._color", Type: 0, Size: 4, Offset: 0},
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},
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UniformSize: 16,
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Textures: []TextureBinding{
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Textures: []backend.TextureBinding{
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{Name: "cover", Binding: 1},
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},
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GLES2: "#version 100\nprecision mediump float;\nprecision highp int;\n\nstruct Color\n{\n vec4 _color;\n};\n\nuniform Color _12;\n\nuniform mediump sampler2D cover;\n\nvarying highp vec2 vCoverUV;\nvarying vec2 vUV;\n\nvoid main()\n{\n gl_FragData[0] = _12._color;\n float cover_1 = abs(texture2D(cover, vCoverUV).x);\n gl_FragData[0] *= cover_1;\n}\n\n",
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@@ -206,8 +208,8 @@ var (
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*/
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HLSL: []byte(nil),
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},
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ShaderSources{
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Textures: []TextureBinding{
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backend.ShaderSources{
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Textures: []backend.TextureBinding{
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{Name: "tex", Binding: 0},
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{Name: "cover", Binding: 1},
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},
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@@ -254,12 +256,12 @@ var (
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HLSL: []byte(nil),
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},
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}
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shader_cover_vert = ShaderSources{
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Inputs: []InputLocation{
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shader_cover_vert = backend.ShaderSources{
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Inputs: []backend.InputLocation{
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{Name: "pos", Location: 0, Semantic: "POSITION", SemanticIndex: 0, Type: 0, Size: 2},
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{Name: "uv", Location: 1, Semantic: "NORMAL", SemanticIndex: 0, Type: 0, Size: 2},
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},
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Uniforms: []UniformLocation{
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Uniforms: []backend.UniformLocation{
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{Name: "_19.z", Type: 0, Size: 1, Offset: 0},
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{Name: "_19.scale", Type: 0, Size: 2, Offset: 8},
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{Name: "_19.offset", Type: 0, Size: 2, Offset: 16},
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@@ -324,8 +326,8 @@ var (
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*/
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HLSL: []byte(nil),
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}
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shader_intersect_frag = ShaderSources{
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Textures: []TextureBinding{
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shader_intersect_frag = backend.ShaderSources{
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Textures: []backend.TextureBinding{
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{Name: "cover", Binding: 0},
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},
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GLES2: "#version 100\nprecision mediump float;\nprecision highp int;\n\nuniform mediump sampler2D cover;\n\nvarying highp vec2 vUV;\n\nvoid main()\n{\n float cover_1 = abs(texture2D(cover, vUV).x);\n gl_FragData[0].x = cover_1;\n}\n\n",
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@@ -364,12 +366,12 @@ var (
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*/
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HLSL: []byte(nil),
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}
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shader_intersect_vert = ShaderSources{
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Inputs: []InputLocation{
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shader_intersect_vert = backend.ShaderSources{
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Inputs: []backend.InputLocation{
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{Name: "pos", Location: 0, Semantic: "POSITION", SemanticIndex: 0, Type: 0, Size: 2},
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{Name: "uv", Location: 1, Semantic: "NORMAL", SemanticIndex: 0, Type: 0, Size: 2},
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},
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Uniforms: []UniformLocation{
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Uniforms: []backend.UniformLocation{
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{Name: "_40.scale", Type: 0, Size: 2, Offset: 0},
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{Name: "_40.offset", Type: 0, Size: 2, Offset: 8},
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},
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@@ -422,7 +424,7 @@ var (
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*/
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HLSL: []byte(nil),
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}
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shader_stencil_frag = ShaderSources{
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shader_stencil_frag = backend.ShaderSources{
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GLES2: "#version 100\nprecision mediump float;\nprecision highp int;\n\nvarying vec2 vTo;\nvarying vec2 vFrom;\nvarying vec2 vCtrl;\n\nvoid main()\n{\n float dx = vTo.x - vFrom.x;\n bool increasing = vTo.x >= vFrom.x;\n bvec2 _35 = bvec2(increasing);\n vec2 left = vec2(_35.x ? vFrom.x : vTo.x, _35.y ? vFrom.y : vTo.y);\n bvec2 _41 = bvec2(increasing);\n vec2 right = vec2(_41.x ? vTo.x : vFrom.x, _41.y ? vTo.y : vFrom.y);\n vec2 extent = clamp(vec2(vFrom.x, vTo.x), vec2(-0.5), vec2(0.5));\n float midx = mix(extent.x, extent.y, 0.5);\n float x0 = midx - left.x;\n vec2 p1 = vCtrl - left;\n vec2 v = right - vCtrl;\n float t = x0 / (p1.x + sqrt((p1.x * p1.x) + ((v.x - p1.x) * x0)));\n float y = mix(mix(left.y, vCtrl.y, t), mix(vCtrl.y, right.y, t), t);\n vec2 d_half = mix(p1, v, vec2(t));\n float dy = d_half.y / d_half.x;\n float width = extent.y - extent.x;\n dy = abs(dy * width);\n vec4 sides = vec4((dy * 0.5) + y, (dy * (-0.5)) + y, (0.5 - y) / dy, ((-0.5) - y) / dy);\n sides = clamp(sides + vec4(0.5), vec4(0.0), vec4(1.0));\n float area = 0.5 * ((((sides.z - (sides.z * sides.y)) + 1.0) - sides.x) + (sides.x * sides.w));\n area *= width;\n if (width == 0.0)\n {\n area = 0.0;\n }\n gl_FragData[0].x = area;\n}\n\n",
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/*
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static float2 vTo;
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@@ -486,15 +488,15 @@ var (
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*/
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HLSL: []byte(nil),
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}
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shader_stencil_vert = ShaderSources{
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Inputs: []InputLocation{
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shader_stencil_vert = backend.ShaderSources{
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Inputs: []backend.InputLocation{
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{Name: "corner", Location: 0, Semantic: "POSITION", SemanticIndex: 0, Type: 0, Size: 2},
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{Name: "maxy", Location: 1, Semantic: "NORMAL", SemanticIndex: 0, Type: 0, Size: 1},
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{Name: "from", Location: 2, Semantic: "TEXCOORD", SemanticIndex: 0, Type: 0, Size: 2},
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{Name: "ctrl", Location: 3, Semantic: "TEXCOORD", SemanticIndex: 1, Type: 0, Size: 2},
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{Name: "to", Location: 4, Semantic: "TEXCOORD", SemanticIndex: 2, Type: 0, Size: 2},
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},
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Uniforms: []UniformLocation{
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Uniforms: []backend.UniformLocation{
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{Name: "_15.scale", Type: 0, Size: 2, Offset: 0},
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{Name: "_15.offset", Type: 0, Size: 2, Offset: 8},
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{Name: "_15.pathOffset", Type: 0, Size: 2, Offset: 16},
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