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-rw-r--r--bgfx/effects/hq4x/blit.json121
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diff --git a/bgfx/effects/hq4x/blit.json b/bgfx/effects/hq4x/blit.json
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-// license:BSD-3-Clause
-// copyright-holders:Ryan Holtz
-//============================================================
-//
-// blit.json: A simple texture-to-target copy.
-//
-//============================================================
-{
- // blend (required): The blend state for this effect.
- "blend": {
- // equation (optional): What equation to perform on the source and destination blend values.
- // values: "add", "sub", "revSub", "min", "max"
- // default: "add"
- //
- // "subtract" and "revSubtract" are provided as aliases for "sub" and "revSub"
- "equation": "add",
-
- // blend function parameters (optional): What factors to use in the blend function when calculating the final pixel.
- // values: "0", "1", "srccolor", "1-srccolor", "dstcolor", "1-dstcolor", "srcalpha", "1-srcalpha", "dstalpha", "1-dstalpha"
- // defaults (srcColor, srcAlpha): "1"
- // defaults (dstColor, dstAlpha): "0"
- //
- // "zero", "one", "invsrccolor", "invdstcolor", "invsrcalpha", and "invdstalpha" are provided as aliases for "0", "1", "1-srccolor", "1-dstcolor", "1-srcalpha", and "1-dstalpha"
- "srcColor": "srcalpha",
- "dstColor": "1-srcalpha",
- "srcAlpha": "srcalpha",
- "dstAlpha": "1-srcalpha"
- },
-
- // depth (required): The depth state for this effect.
- "depth": {
- // function (optional): The depth function to use when drawing.
- // values: "never", "less", "equal", "lequal", "greater", "notequal", "gequal", "always"
- // default: "always"
- "function": "always",
-
- // writeenable (optional): Whether to store Z-buffer data.
- // values: true, false
- // default: false
- "writeenable": false
- },
-
- // cull (required): The cull mode for this effect.
- "cull": {
- // mode (optional): What winding, if any, to cull.
- // values: "none", "cw", "ccw"
- // default: "ccw"
- //
- // "clockwise" and "counterclockwise" are provided as aliases for "cw" and "ccw"
- "mode": "none"
- },
-
- // write (required): Write enable for color and alpha channels.
- "write": {
- // rgb (optional): Whether to store color data when drawing.
- // values: true, false
- // default: false
- "rgb": true,
-
- // alpha (optional): Whether to store alpha data when drawing.
- // values: true, false
- // default: false
- "alpha": true
- },
-
- // vertex (required): The vertex shader to use when drawing.
- // value: A string containing the path and name of a shader file to use, minus the extension.
- "vertex": "chains/hq4x/vs_blit",
-
- // pixel/fragment (required): The pixel or fragment shader to use when drawing.
- // value: A string containing the path and name of a shader file to use, minus the extension.
- "fragment": "chains/hq4x/fs_blit",
-
- // uniforms (required): The list of uniforms for this effect. Can be empty, but must exist.
- "uniforms": [
- {
- // name (required): The name of the uniform, as used in either the vertex or pixel/fragment shader.
- // value: A string containing the name of the uniform as described above.
- //
- // NOTE: Some names correspond to special values that will be automatically filled by the BGFX
- // code if they are used by the shader. These names are:
- // "u_screen_dims"
- // The dimensions of the first texture input if present, otherwise the dimensions of the output window.
- // Valid values: xy
- // "u_inv_screen_dims"
- // The reciprocal of u_screen_dims.
- // Valid values: xy
- // "u_source_dims"
- // The size, in pixels, of the screen texture incoming to the chain.
- // Valid values: xy
- // "u_rotation_type"
- // This screen's rotation type. 0 if ROT0, 1 if ROT90, 2 if ROT180, 3 of ROT270.
- // Valid values: x
- // "u_swap_xy"
- // Whether this screen is swapped on the X and Y axes. 1 if true, 0 if false.
- // Valid values: x
- // "u_quad_dims"
- // The dimensions, in pixels, occupied by this one screen primitive itself in the output window.
- // Valid values: xy
- // "u_tex_sizeN"
- // The dimensions, in pixels, of the texture in input pair N. Starts at 0.
- // valid values: xy
- "name": "s_tex",
-
- // type (required): The type of the uniform.
- // values: "int", "vec4", "mat3", "mat4"
- //
- // Note: "int" should only be used for samplers.
- "type": "int",
-
- // values (required): The array of numbers with which to initialize the uniform.
- // value: A JSON array containin the correct amount of numbers to initialize a uniform of the
- // above-specified type. The following size rules should be followed:
- // "int": 1 float
- // "vec4": 4 floats
- // "mat3": 9 floats
- // "mat4": 16 floats
- "values": [ 1.0 ]
- }
- ]
-} \ No newline at end of file