1098 lines
31 KiB
C++
1098 lines
31 KiB
C++
#pragma once
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#include <mbgl/shaders/shader_source.hpp>
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#include <mbgl/shaders/vulkan/shader_program.hpp>
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namespace mbgl {
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namespace shaders {
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template <>
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struct ShaderSource<BuiltIn::FillShader, gfx::Backend::Type::Vulkan> {
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static constexpr const char* name = "FillShader";
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static const std::array<UniformBlockInfo, 3> uniforms;
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static const std::array<AttributeInfo, 3> attributes;
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static constexpr std::array<AttributeInfo, 0> instanceAttributes{};
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static constexpr std::array<TextureInfo, 0> textures{};
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static constexpr auto vertex = R"(
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layout(location = 0) in ivec2 in_position;
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#if !defined(HAS_UNIFORM_u_color)
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layout(location = 1) in vec4 in_color;
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#endif
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#if !defined(HAS_UNIFORM_u_opacity)
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layout(location = 2) in vec2 in_opacity;
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#endif
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layout(set = 0, binding = 1) uniform FillDrawableUBO {
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mat4 matrix;
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} drawable;
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layout(set = 0, binding = 3) uniform FillInterpolateUBO {
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float color_t;
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float opacity_t;
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} interp;
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#if !defined(HAS_UNIFORM_u_color)
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layout(location = 0) out vec4 frag_color;
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#endif
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#if !defined(HAS_UNIFORM_u_opacity)
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layout(location = 1) out lowp float frag_opacity;
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#endif
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void main() {
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#if !defined(HAS_UNIFORM_u_color)
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frag_color = vec4(unpack_mix_color(in_color, interp.color_t));
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#endif
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#if !defined(HAS_UNIFORM_u_opacity)
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frag_opacity = unpack_mix_float(in_opacity, interp.opacity_t);
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#endif
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gl_Position = drawable.matrix * vec4(in_position, 0.0, 1.0);
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gl_Position.y *= -1.0;
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}
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)";
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static constexpr auto fragment = R"(
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#if !defined(HAS_UNIFORM_u_color)
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layout(location = 0) in vec4 frag_color;
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#endif
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#if !defined(HAS_UNIFORM_u_opacity)
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layout(location = 1) in lowp float frag_opacity;
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#endif
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layout(location = 0) out vec4 out_color;
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layout(set = 0, binding = 4) uniform FillEvaluatedPropsUBO {
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vec4 color;
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vec4 outline_color;
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float opacity;
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float fade;
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float from_scale;
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float to_scale;
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} props;
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void main() {
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#if defined(HAS_UNIFORM_u_color)
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const vec4 color = props.color;
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#else
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const vec4 color = frag_color;
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#endif
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#if defined(HAS_UNIFORM_u_opacity)
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const float opacity = props.opacity;
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#else
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const float opacity = frag_opacity;
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#endif
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out_color = color * opacity;
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}
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)";
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};
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template <>
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struct ShaderSource<BuiltIn::FillOutlineShader, gfx::Backend::Type::Vulkan> {
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static constexpr const char* name = "FillOutlineShader";
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static const std::array<UniformBlockInfo, 4> uniforms;
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static const std::array<AttributeInfo, 3> attributes;
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static constexpr std::array<AttributeInfo, 0> instanceAttributes{};
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static constexpr std::array<TextureInfo, 0> textures{};
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static constexpr auto vertex = R"(
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layout(location = 0) in ivec2 in_position;
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#if !defined(HAS_UNIFORM_u_outline_color)
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layout(location = 1) in vec4 in_color;
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#endif
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#if !defined(HAS_UNIFORM_u_opacity)
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layout(location = 2) in vec2 in_opacity;
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#endif
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layout(set = 0, binding = 1) uniform FillDrawableUBO {
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mat4 matrix;
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} drawable;
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layout(set = 0, binding = 3) uniform FillInterpolateUBO {
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float color_t;
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float opacity_t;
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} interp;
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#if !defined(HAS_UNIFORM_u_outline_color)
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layout(location = 0) out vec4 frag_color;
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#endif
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#if !defined(HAS_UNIFORM_u_opacity)
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layout(location = 1) out lowp float frag_opacity;
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#endif
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layout(location = 2) out vec2 frag_position;
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void main() {
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#if !defined(HAS_UNIFORM_u_outline_color)
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frag_color = vec4(unpack_mix_color(in_color, interp.color_t));
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#endif
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#if !defined(HAS_UNIFORM_u_opacity)
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frag_opacity = unpack_mix_float(in_opacity, interp.opacity_t);
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#endif
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gl_Position = drawable.matrix * vec4(in_position, 0.0, 1.0);
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gl_Position.y *= -1.0;
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frag_position = (gl_Position.xy / gl_Position.w + 1.0) / 2.0 * global.world_size;
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}
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)";
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static constexpr auto fragment = R"(
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#if !defined(HAS_UNIFORM_u_outline_color)
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layout(location = 0) in vec4 frag_color;
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#endif
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#if !defined(HAS_UNIFORM_u_opacity)
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layout(location = 1) in float frag_opacity;
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#endif
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layout(location = 2) in vec2 frag_position;
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layout(location = 0) out vec4 out_color;
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layout(set = 0, binding = 4) uniform FillEvaluatedPropsUBO {
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vec4 color;
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vec4 outline_color;
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float opacity;
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float fade;
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float from_scale;
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float to_scale;
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} props;
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void main() {
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#if defined(OVERDRAW_INSPECTOR)
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out_color = vec4(1.0);
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return;
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#endif
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#if defined(HAS_UNIFORM_u_outline_color)
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const vec4 color = props.outline_color;
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#else
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const vec4 color = frag_color;
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#endif
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#if defined(HAS_UNIFORM_u_opacity)
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const float opacity = props.opacity;
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#else
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const float opacity = frag_opacity;
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#endif
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float dist = length(frag_position - gl_FragCoord.xy);
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float alpha = 1.0 - smoothstep(0.0, 1.0, dist);
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out_color = color * opacity * alpha;
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}
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)";
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};
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template <>
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struct ShaderSource<BuiltIn::FillPatternShader, gfx::Backend::Type::Vulkan> {
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static constexpr const char* name = "FillPatternShader";
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static const std::array<UniformBlockInfo, 5> uniforms;
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static const std::array<AttributeInfo, 4> attributes;
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static constexpr std::array<AttributeInfo, 0> instanceAttributes{};
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static const std::array<TextureInfo, 1> textures;
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static constexpr auto vertex = R"(
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layout(location = 0) in ivec2 in_position;
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#if !defined(HAS_UNIFORM_u_pattern_from)
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layout(location = 1) in mediump uvec4 in_pattern_from;
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#endif
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#if !defined(HAS_UNIFORM_u_pattern_to)
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layout(location = 2) in mediump uvec4 in_pattern_to;
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#endif
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#if !defined(HAS_UNIFORM_u_opacity)
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layout(location = 3) in vec2 in_opacity;
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#endif
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layout(set = 0, binding = 1) uniform FillPatternDrawableUBO {
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mat4 matrix;
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vec2 pixel_coord_upper;
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vec2 pixel_coord_lower;
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vec2 texsize;
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float tile_ratio;
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float pad;
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} drawable;
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layout(set = 0, binding = 2) uniform FillPatternTilePropsUBO {
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vec4 pattern_from;
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vec4 pattern_to;
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} tile;
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layout(set = 0, binding = 3) uniform FillPatternInterpolateUBO {
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float pattern_from_t;
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float pattern_to_t;
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float opacity_t;
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} interp;
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layout(set = 0, binding = 4) uniform FillEvaluatedPropsUBO {
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vec4 color;
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vec4 outline_color;
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float opacity;
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float fade;
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float from_scale;
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float to_scale;
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} props;
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layout(location = 0) out vec2 frag_pos_a;
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layout(location = 1) out vec2 frag_pos_b;
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#if !defined(HAS_UNIFORM_u_pattern_from)
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layout(location = 2) out mediump vec4 frag_pattern_from;
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#endif
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#if !defined(HAS_UNIFORM_u_pattern_to)
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layout(location = 3) out mediump vec4 frag_pattern_to;
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#endif
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#if !defined(HAS_UNIFORM_u_opacity)
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layout(location = 4) out lowp float frag_opacity;
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#endif
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void main() {
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#if defined(HAS_UNIFORM_u_pattern_from)
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const vec4 frag_pattern_from = tile.pattern_from;
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#else
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frag_pattern_from = in_pattern_from;
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#endif
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#if defined(HAS_UNIFORM_u_pattern_to)
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const vec4 frag_pattern_to = tile.pattern_to;
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#else
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frag_pattern_to = in_pattern_to;
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#endif
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#if !defined(HAS_UNIFORM_u_opacity)
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frag_opacity = unpack_mix_float(in_opacity, interp.opacity_t);
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#endif
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const vec2 pattern_tl_a = frag_pattern_from.xy;
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const vec2 pattern_br_a = frag_pattern_from.zw;
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const vec2 pattern_tl_b = frag_pattern_to.xy;
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const vec2 pattern_br_b = frag_pattern_to.zw;
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const float pixelRatio = global.pixel_ratio;
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const float tileZoomRatio = drawable.tile_ratio;
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const float fromScale = props.from_scale;
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const float toScale = props.to_scale;
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const vec2 display_size_a = vec2((pattern_br_a.x - pattern_tl_a.x) / pixelRatio, (pattern_br_a.y - pattern_tl_a.y) / pixelRatio);
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const vec2 display_size_b = vec2((pattern_br_b.x - pattern_tl_b.x) / pixelRatio, (pattern_br_b.y - pattern_tl_b.y) / pixelRatio);
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frag_pos_a = get_pattern_pos(drawable.pixel_coord_upper, drawable.pixel_coord_lower, fromScale * display_size_a, tileZoomRatio, in_position),
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frag_pos_b = get_pattern_pos(drawable.pixel_coord_upper, drawable.pixel_coord_lower, toScale * display_size_b, tileZoomRatio, in_position),
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gl_Position = drawable.matrix * vec4(in_position, 0.0, 1.0);
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gl_Position.y *= -1.0;
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}
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)";
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static constexpr auto fragment = R"(
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layout(location = 0) in vec2 frag_pos_a;
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layout(location = 1) in vec2 frag_pos_b;
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#if !defined(HAS_UNIFORM_u_pattern_from)
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layout(location = 2) in vec4 frag_pattern_from;
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#endif
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#if !defined(HAS_UNIFORM_u_pattern_to)
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layout(location = 3) in vec4 frag_pattern_to;
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#endif
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#if !defined(HAS_UNIFORM_u_opacity)
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layout(location = 4) in lowp float frag_opacity;
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#endif
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layout(location = 0) out vec4 out_color;
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layout(set = 0, binding = 1) uniform FillPatternDrawableUBO {
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mat4 matrix;
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vec2 pixel_coord_upper;
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vec2 pixel_coord_lower;
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vec2 texsize;
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float tile_ratio;
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float pad;
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} drawable;
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layout(set = 0, binding = 2) uniform FillPatternTilePropsUBO {
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vec4 pattern_from;
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vec4 pattern_to;
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} tile;
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layout(set = 0, binding = 4) uniform FillEvaluatedPropsUBO {
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vec4 color;
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vec4 outline_color;
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float opacity;
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float fade;
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float from_scale;
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float to_scale;
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} props;
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layout(set = 1, binding = 0) uniform sampler2D image0_sampler;
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void main() {
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#if defined(OVERDRAW_INSPECTOR)
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out_color = vec4(1.0);
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return;
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#endif
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#if defined(HAS_UNIFORM_u_pattern_from)
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const vec4 pattern_from = tile.pattern_from;
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#else
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const vec4 pattern_from = frag_pattern_from;
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#endif
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#if defined(HAS_UNIFORM_u_pattern_to)
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const vec4 pattern_to = tile.pattern_to;
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#else
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const vec4 pattern_to = frag_pattern_to;
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#endif
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#if defined(HAS_UNIFORM_u_opacity)
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const float opacity = props.opacity;
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#else
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const float opacity = frag_opacity;
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#endif
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const vec2 pattern_tl_a = pattern_from.xy;
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const vec2 pattern_br_a = pattern_from.zw;
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const vec2 pattern_tl_b = pattern_to.xy;
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const vec2 pattern_br_b = pattern_to.zw;
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const vec2 imagecoord = mod(frag_pos_a, 1.0);
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const vec2 pos = mix(pattern_tl_a / drawable.texsize, pattern_br_a / drawable.texsize, imagecoord);
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const vec4 color1 = texture(image0_sampler, pos);
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const vec2 imagecoord_b = mod(frag_pos_b, 1.0);
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const vec2 pos2 = mix(pattern_tl_b / drawable.texsize, pattern_br_b / drawable.texsize, imagecoord_b);
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const vec4 color2 = texture(image0_sampler, pos2);
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out_color = mix(color1, color2, props.fade) * opacity;
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}
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)";
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};
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template <>
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struct ShaderSource<BuiltIn::FillOutlinePatternShader, gfx::Backend::Type::Vulkan> {
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static constexpr const char* name = "FillOutlinePatternShader";
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static const std::array<UniformBlockInfo, 5> uniforms;
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static const std::array<AttributeInfo, 4> attributes;
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static constexpr std::array<AttributeInfo, 0> instanceAttributes{};
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static const std::array<TextureInfo, 1> textures;
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static constexpr auto vertex = R"(
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layout(location = 0) in ivec2 in_position;
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#if !defined(HAS_UNIFORM_u_pattern_from)
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layout(location = 1) in mediump uvec4 in_pattern_from;
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#endif
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#if !defined(HAS_UNIFORM_u_pattern_to)
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layout(location = 2) in mediump uvec4 in_pattern_to;
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#endif
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#if !defined(HAS_UNIFORM_u_opacity)
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layout(location = 3) in vec2 in_opacity;
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#endif
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layout(set = 0, binding = 1) uniform FillOutlinePatternDrawableUBO {
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mat4 matrix;
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vec2 pixel_coord_upper;
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vec2 pixel_coord_lower;
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vec2 texsize;
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float tile_ratio;
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float pad;
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} drawable;
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layout(set = 0, binding = 2) uniform FillOutlinePatternTilePropsUBO {
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vec4 pattern_from;
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vec4 pattern_to;
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} tile;
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layout(set = 0, binding = 3) uniform FillOutlinePatternInterpolateUBO {
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float pattern_from_t;
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float pattern_to_t;
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float opacity_t;
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} interp;
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layout(set = 0, binding = 4) uniform FillEvaluatedPropsUBO {
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vec4 color;
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vec4 outline_color;
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float opacity;
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float fade;
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float from_scale;
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float to_scale;
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} props;
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layout(location = 0) out vec2 frag_pos_a;
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layout(location = 1) out vec2 frag_pos_b;
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layout(location = 2) out vec2 frag_pos;
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#if !defined(HAS_UNIFORM_u_pattern_from)
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layout(location = 3) out mediump vec4 frag_pattern_from;
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#endif
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#if !defined(HAS_UNIFORM_u_pattern_to)
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layout(location = 4) out mediump vec4 frag_pattern_to;
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#endif
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#if !defined(HAS_UNIFORM_u_opacity)
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layout(location = 5) out lowp float frag_opacity;
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#endif
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void main() {
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#if defined(HAS_UNIFORM_u_pattern_from)
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const vec4 frag_pattern_from = tile.pattern_from;
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#else
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frag_pattern_from = in_pattern_from;
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#endif
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#if defined(HAS_UNIFORM_u_pattern_to)
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const vec4 frag_pattern_to = tile.pattern_to;
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#else
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frag_pattern_to = in_pattern_to;
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#endif
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#if !defined(HAS_UNIFORM_u_opacity)
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frag_opacity = unpack_mix_float(in_opacity, interp.opacity_t);
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#endif
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const vec2 pattern_tl_a = frag_pattern_from.xy;
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const vec2 pattern_br_a = frag_pattern_from.zw;
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const vec2 pattern_tl_b = frag_pattern_to.xy;
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const vec2 pattern_br_b = frag_pattern_to.zw;
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const float pixelRatio = global.pixel_ratio;
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const float tileZoomRatio = drawable.tile_ratio;
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const float fromScale = props.from_scale;
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const float toScale = props.to_scale;
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const vec2 display_size_a = vec2((pattern_br_a.x - pattern_tl_a.x) / pixelRatio, (pattern_br_a.y - pattern_tl_a.y) / pixelRatio);
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const vec2 display_size_b = vec2((pattern_br_b.x - pattern_tl_b.x) / pixelRatio, (pattern_br_b.y - pattern_tl_b.y) / pixelRatio);
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const vec2 position2 = in_position.xy;
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vec4 position = drawable.matrix * vec4(in_position, 0.0, 1.0);
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position.y *= -1.0;
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frag_pos_a = get_pattern_pos(drawable.pixel_coord_upper, drawable.pixel_coord_lower, fromScale * display_size_a, tileZoomRatio, position2),
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frag_pos_b = get_pattern_pos(drawable.pixel_coord_upper, drawable.pixel_coord_lower, toScale * display_size_b, tileZoomRatio, position2),
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frag_pos = (position.xy / position.w + 1.0) / 2.0 * global.world_size;
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gl_Position = position;
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}
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)";
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static constexpr auto fragment = R"(
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layout(location = 0) in vec2 frag_pos_a;
|
|
layout(location = 1) in vec2 frag_pos_b;
|
|
layout(location = 2) in vec2 frag_pos;
|
|
|
|
#if !defined(HAS_UNIFORM_u_pattern_from)
|
|
layout(location = 3) in vec4 frag_pattern_from;
|
|
#endif
|
|
|
|
#if !defined(HAS_UNIFORM_u_pattern_to)
|
|
layout(location = 4) in vec4 frag_pattern_to;
|
|
#endif
|
|
|
|
#if !defined(HAS_UNIFORM_u_opacity)
|
|
layout(location = 5) in lowp float frag_opacity;
|
|
#endif
|
|
|
|
layout(location = 0) out vec4 out_color;
|
|
|
|
layout(set = 0, binding = 1) uniform FillOutlinePatternDrawableUBO {
|
|
mat4 matrix;
|
|
vec2 pixel_coord_upper;
|
|
vec2 pixel_coord_lower;
|
|
vec2 texsize;
|
|
float tile_ratio;
|
|
float pad;
|
|
} drawable;
|
|
|
|
layout(set = 0, binding = 2) uniform FillOutlinePatternTilePropsUBO {
|
|
vec4 pattern_from;
|
|
vec4 pattern_to;
|
|
} tile;
|
|
|
|
layout(set = 0, binding = 4) uniform FillEvaluatedPropsUBO {
|
|
vec4 color;
|
|
vec4 outline_color;
|
|
float opacity;
|
|
float fade;
|
|
float from_scale;
|
|
float to_scale;
|
|
} props;
|
|
|
|
layout(set = 1, binding = 0) uniform sampler2D image0_sampler;
|
|
|
|
void main() {
|
|
|
|
#if defined(OVERDRAW_INSPECTOR)
|
|
out_color = vec4(1.0);
|
|
return;
|
|
#endif
|
|
|
|
#if defined(HAS_UNIFORM_u_pattern_from)
|
|
const vec4 pattern_from = tile.pattern_from;
|
|
#else
|
|
const vec4 pattern_from = frag_pattern_from;
|
|
#endif
|
|
|
|
#if defined(HAS_UNIFORM_u_pattern_to)
|
|
const vec4 pattern_to = tile.pattern_to;
|
|
#else
|
|
const vec4 pattern_to = frag_pattern_to;
|
|
#endif
|
|
|
|
#if defined(HAS_UNIFORM_u_opacity)
|
|
const float opacity = props.opacity;
|
|
#else
|
|
const float opacity = frag_opacity;
|
|
#endif
|
|
|
|
const vec2 pattern_tl_a = pattern_from.xy;
|
|
const vec2 pattern_br_a = pattern_from.zw;
|
|
const vec2 pattern_tl_b = pattern_to.xy;
|
|
const vec2 pattern_br_b = pattern_to.zw;
|
|
|
|
const vec2 imagecoord = mod(frag_pos_a, 1.0);
|
|
const vec2 pos = mix(pattern_tl_a / drawable.texsize, pattern_br_a / drawable.texsize, imagecoord);
|
|
const vec4 color1 = texture(image0_sampler, pos);
|
|
|
|
const vec2 imagecoord_b = mod(frag_pos_b, 1.0);
|
|
const vec2 pos2 = mix(pattern_tl_b / drawable.texsize, pattern_br_b / drawable.texsize, imagecoord_b);
|
|
const vec4 color2 = texture(image0_sampler, pos2);
|
|
|
|
const float dist = length(frag_pos - gl_FragCoord.xy);
|
|
const float alpha = 1.0 - smoothstep(0.0, 1.0, dist);
|
|
|
|
out_color = mix(color1, color2, props.fade) * alpha * opacity;
|
|
}
|
|
)";
|
|
};
|
|
|
|
template <>
|
|
struct ShaderSource<BuiltIn::FillOutlineTriangulatedShader, gfx::Backend::Type::Vulkan> {
|
|
static constexpr const char* name = "FillOutlineTriangulatedShader";
|
|
|
|
static const std::array<UniformBlockInfo, 3> uniforms;
|
|
static const std::array<AttributeInfo, 2> attributes;
|
|
static constexpr std::array<AttributeInfo, 0> instanceAttributes{};
|
|
static constexpr std::array<TextureInfo, 0> textures{};
|
|
|
|
static constexpr auto vertex = R"(
|
|
|
|
layout(location = 0) in ivec2 in_pos_normal;
|
|
layout(location = 1) in uvec4 in_data;
|
|
|
|
layout(set = 0, binding = 1) uniform FillOutlineTriangulatedDrawableUBO {
|
|
mat4 matrix;
|
|
float ratio;
|
|
float pad1, pad2, pad3;
|
|
} drawable;
|
|
|
|
layout(location = 0) out float frag_width2;
|
|
layout(location = 1) out vec2 frag_normal;
|
|
layout(location = 2) out float frag_gamma_scale;
|
|
|
|
void main() {
|
|
// the distance over which the line edge fades out.
|
|
// Retina devices need a smaller distance to avoid aliasing.
|
|
float ANTIALIASING = 1.0 / DEVICE_PIXEL_RATIO / 2.0;
|
|
|
|
const vec2 a_extrude = in_data.xy - 128.0;
|
|
const vec2 pos = floor(in_pos_normal * 0.5);
|
|
|
|
// x is 1 if it's a round cap, 0 otherwise
|
|
// y is 1 if the normal points up, and -1 if it points down
|
|
// We store these in the least significant bit of in_pos_normal
|
|
mediump vec2 normal = in_pos_normal - 2.0 * pos;
|
|
frag_normal = vec2(normal.x, normal.y * 2.0 - 1.0);
|
|
frag_normal.y *= -1.0;
|
|
|
|
// these transformations used to be applied in the JS and native code bases.
|
|
// moved them into the shader for clarity and simplicity.
|
|
float width = 1.0;
|
|
float halfwidth = width / 2.0;
|
|
float outset = halfwidth + (halfwidth == 0.0 ? 0.0 : ANTIALIASING);
|
|
|
|
// Scale the extrusion vector down to a normal and then up by the line width
|
|
// of this vertex.
|
|
mediump vec2 dist = outset * a_extrude * LINE_NORMAL_SCALE;
|
|
|
|
vec4 projected_extrude = drawable.matrix * vec4(dist / drawable.ratio, 0.0, 0.0);
|
|
gl_Position = drawable.matrix * vec4(pos, 0.0, 1.0) + projected_extrude;
|
|
gl_Position.y *= -1.0;
|
|
|
|
// calculate how much the perspective view squishes or stretches the extrude
|
|
float extrude_length_without_perspective = length(dist);
|
|
float extrude_length_with_perspective = length(projected_extrude.xy / gl_Position.w * global.units_to_pixels);
|
|
|
|
frag_width2 = outset;
|
|
frag_gamma_scale = extrude_length_without_perspective / extrude_length_with_perspective;
|
|
}
|
|
)";
|
|
|
|
static constexpr auto fragment = R"(
|
|
|
|
layout(location = 0) in float frag_width2;
|
|
layout(location = 1) in vec2 frag_normal;
|
|
layout(location = 2) in float frag_gamma_scale;
|
|
|
|
layout(location = 0) out vec4 out_color;
|
|
|
|
layout(set = 0, binding = 4) uniform FillEvaluatedPropsUBO {
|
|
vec4 color;
|
|
vec4 outline_color;
|
|
float opacity;
|
|
float fade;
|
|
float from_scale;
|
|
float to_scale;
|
|
} props;
|
|
|
|
void main() {
|
|
|
|
#if defined(OVERDRAW_INSPECTOR)
|
|
out_color = vec4(1.0);
|
|
return;
|
|
#endif
|
|
|
|
// Calculate the distance of the pixel from the line in pixels.
|
|
const float dist = length(frag_normal) * frag_width2;
|
|
|
|
// Calculate the antialiasing fade factor. This is either when fading in the
|
|
// line in case of an offset line (`v_width2.y`) or when fading out (`v_width2.x`)
|
|
const float blur2 = (1.0 / DEVICE_PIXEL_RATIO) * frag_gamma_scale;
|
|
const float alpha = clamp(min(dist + blur2, frag_width2 - dist) / blur2, 0.0, 1.0);
|
|
|
|
out_color = props.outline_color * alpha * props.opacity;
|
|
}
|
|
)";
|
|
};
|
|
|
|
template <>
|
|
struct ShaderSource<BuiltIn::FillExtrusionShader, gfx::Backend::Type::Vulkan> {
|
|
static constexpr const char* name = "FillExtrusionShader";
|
|
|
|
static const std::array<UniformBlockInfo, 3> uniforms;
|
|
static const std::array<AttributeInfo, 5> attributes;
|
|
static constexpr std::array<AttributeInfo, 0> instanceAttributes{};
|
|
static constexpr std::array<TextureInfo, 0> textures{};
|
|
|
|
static constexpr auto vertex = R"(
|
|
|
|
layout(location = 0) in ivec2 in_position;
|
|
layout(location = 1) in ivec4 in_normal_ed;
|
|
|
|
#if !defined(HAS_UNIFORM_u_color)
|
|
layout(location = 2) in vec4 in_color;
|
|
#endif
|
|
|
|
#if !defined(HAS_UNIFORM_u_base)
|
|
layout(location = 3) in vec2 in_base;
|
|
#endif
|
|
|
|
#if !defined(HAS_UNIFORM_u_height)
|
|
layout(location = 4) in vec2 in_height;
|
|
#endif
|
|
|
|
layout(set = 0, binding = 1) uniform FillExtrusionDrawableUBO {
|
|
mat4 matrix;
|
|
vec2 texsize;
|
|
vec2 pixel_coord_upper;
|
|
vec2 pixel_coord_lower;
|
|
float height_factor;
|
|
float tile_ratio;
|
|
} drawable;
|
|
|
|
layout(set = 0, binding = 2) uniform FillExtrusionPropsUBO {
|
|
vec4 color;
|
|
vec4 light_color_pad;
|
|
vec4 light_position_base;
|
|
float height;
|
|
float light_intensity;
|
|
float vertical_gradient;
|
|
float opacity;
|
|
float fade;
|
|
float from_scale;
|
|
float to_scale;
|
|
float pad2;
|
|
} props;
|
|
|
|
layout(set = 0, binding = 4) uniform FillExtrusionInterpolateUBO {
|
|
float base_t;
|
|
float height_t;
|
|
float color_t;
|
|
float pattern_from_t;
|
|
float pattern_to_t;
|
|
float pad1, pad2, pad3;
|
|
} interp;
|
|
|
|
layout(location = 0) out mediump vec4 frag_color;
|
|
|
|
void main() {
|
|
|
|
#if defined(HAS_UNIFORM_u_base)
|
|
const float base = props.light_position_base.w;
|
|
#else
|
|
const float base = max(unpack_mix_float(in_base, interp.base_t), 0.0);
|
|
#endif
|
|
|
|
#if defined(HAS_UNIFORM_u_height)
|
|
const float height = props.height;
|
|
#else
|
|
const float height = max(unpack_mix_float(in_height, interp.height_t), 0.0);
|
|
#endif
|
|
|
|
#if defined(HAS_UNIFORM_u_color)
|
|
vec4 color = props.color;
|
|
#else
|
|
vec4 color = unpack_mix_color(in_color, interp.color_t);
|
|
#endif
|
|
|
|
const vec3 normal = in_normal_ed.xyz;
|
|
const float t = mod(normal.x, 2.0);
|
|
const float z = t != 0.0 ? height : base;
|
|
|
|
gl_Position = drawable.matrix * vec4(in_position, z, 1.0);
|
|
gl_Position.y *= -1.0;
|
|
|
|
#if defined(OVERDRAW_INSPECTOR)
|
|
frag_color = vec4(1.0);
|
|
return;
|
|
#endif
|
|
|
|
// Relative luminance (how dark/bright is the surface color?)
|
|
const float luminance = color.r * 0.2126 + color.g * 0.7152 + color.b * 0.0722;
|
|
|
|
vec4 vcolor = vec4(0.0, 0.0, 0.0, 1.0);
|
|
|
|
// Add slight ambient lighting so no extrusions are totally black
|
|
color += vec4(0.03, 0.03, 0.03, 1.0);
|
|
|
|
// Calculate cos(theta), where theta is the angle between surface normal and diffuse light ray
|
|
const float directionalFraction = clamp(dot(normal / 16384.0, props.light_position_base.xyz), 0.0, 1.0);
|
|
|
|
// Adjust directional so that the range of values for highlight/shading is
|
|
// narrower with lower light intensity and with lighter/brighter surface colors
|
|
const float minDirectional = 1.0 - props.light_intensity;
|
|
const float maxDirectional = max(1.0 - luminance + props.light_intensity, 1.0);
|
|
float directional = mix(minDirectional, maxDirectional, directionalFraction);
|
|
|
|
// Add gradient along z axis of side surfaces
|
|
if (normal.y != 0.0) {
|
|
// This avoids another branching statement, but multiplies by a constant of 0.84 if no
|
|
// vertical gradient, and otherwise calculates the gradient based on base + height
|
|
// TODO: If we're optimizing to the level of avoiding branches, we should pre-compute
|
|
// the square root when height is a uniform.
|
|
const float fMin = mix(0.7, 0.98, 1.0 - props.light_intensity);
|
|
const float factor = clamp((t + base) * pow(height / 150.0, 0.5), fMin, 1.0);
|
|
directional *= (1.0 - props.vertical_gradient) + (props.vertical_gradient * factor);
|
|
}
|
|
|
|
// Assign final color based on surface + ambient light color, diffuse light directional,
|
|
// and light color with lower bounds adjusted to hue of light so that shading is tinted
|
|
// with the complementary (opposite) color to the light color
|
|
const vec3 light_color = props.light_color_pad.rgb;
|
|
const vec3 minLight = mix(vec3(0.0), vec3(0.3), 1.0 - light_color.rgb);
|
|
vcolor += vec4(clamp(color.rgb * directional * light_color.rgb, minLight, vec3(1.0)), 0.0);
|
|
|
|
frag_color = vcolor * props.opacity;
|
|
}
|
|
)";
|
|
|
|
static constexpr auto fragment = R"(
|
|
|
|
layout(location = 0) in vec4 frag_color;
|
|
layout(location = 0) out vec4 out_color;
|
|
|
|
void main() {
|
|
out_color = frag_color;
|
|
}
|
|
)";
|
|
};
|
|
|
|
template <>
|
|
struct ShaderSource<BuiltIn::FillExtrusionPatternShader, gfx::Backend::Type::Vulkan> {
|
|
static constexpr const char* name = "FillExtrusionPatternShader";
|
|
|
|
static const std::array<UniformBlockInfo, 5> uniforms;
|
|
static const std::array<AttributeInfo, 6> attributes;
|
|
static constexpr std::array<AttributeInfo, 0> instanceAttributes{};
|
|
static const std::array<TextureInfo, 1> textures;
|
|
|
|
static constexpr auto vertex = R"(
|
|
|
|
layout(location = 0) in ivec2 in_position;
|
|
layout(location = 1) in ivec4 in_normal_ed;
|
|
|
|
#if !defined(HAS_UNIFORM_u_base)
|
|
layout(location = 2) in vec2 in_base;
|
|
#endif
|
|
|
|
#if !defined(HAS_UNIFORM_u_height)
|
|
layout(location = 3) in vec2 in_height;
|
|
#endif
|
|
|
|
#if !defined(HAS_UNIFORM_u_pattern_from)
|
|
layout(location = 4) in uvec4 in_pattern_from;
|
|
#endif
|
|
|
|
#if !defined(HAS_UNIFORM_u_pattern_to)
|
|
layout(location = 5) in uvec4 in_pattern_to;
|
|
#endif
|
|
|
|
layout(set = 0, binding = 1) uniform FillExtrusionDrawableUBO {
|
|
mat4 matrix;
|
|
vec2 texsize;
|
|
vec2 pixel_coord_upper;
|
|
vec2 pixel_coord_lower;
|
|
float height_factor;
|
|
float tile_ratio;
|
|
} drawable;
|
|
|
|
layout(set = 0, binding = 2) uniform FillExtrusionPropsUBO {
|
|
vec4 color;
|
|
vec4 light_color_pad;
|
|
vec4 light_position_base;
|
|
float height;
|
|
float light_intensity;
|
|
float vertical_gradient;
|
|
float opacity;
|
|
float fade;
|
|
float from_scale;
|
|
float to_scale;
|
|
float pad2;
|
|
} props;
|
|
|
|
layout(set = 0, binding = 3) uniform FillExtrusionTilePropsUBO {
|
|
vec4 pattern_from;
|
|
vec4 pattern_to;
|
|
} tile;
|
|
|
|
layout(set = 0, binding = 4) uniform FillExtrusionInterpolateUBO {
|
|
float base_t;
|
|
float height_t;
|
|
float color_t;
|
|
float pattern_from_t;
|
|
float pattern_to_t;
|
|
float pad1, pad2, pad3;
|
|
} interp;
|
|
|
|
layout(location = 0) out mediump vec4 frag_lighting;
|
|
layout(location = 1) out mediump vec2 frag_pos_a;
|
|
layout(location = 2) out mediump vec2 frag_pos_b;
|
|
|
|
#if !defined(HAS_UNIFORM_u_pattern_from)
|
|
layout(location = 3) out mediump vec4 frag_pattern_from;
|
|
#endif
|
|
|
|
#if !defined(HAS_UNIFORM_u_pattern_to)
|
|
layout(location = 4) out mediump vec4 frag_pattern_to;
|
|
#endif
|
|
|
|
void main() {
|
|
|
|
#if defined(HAS_UNIFORM_u_base)
|
|
const float base = props.light_position_base.w;
|
|
#else
|
|
const float base = max(unpack_mix_float(in_base, interp.base_t), 0.0);
|
|
#endif
|
|
|
|
#if defined(HAS_UNIFORM_u_height)
|
|
const float height = props.height;
|
|
#else
|
|
const float height = max(unpack_mix_float(in_height, interp.height_t), 0.0);
|
|
#endif
|
|
|
|
const vec3 normal = in_normal_ed.xyz;
|
|
const float edgedistance = in_normal_ed.w;
|
|
const float t = mod(normal.x, 2.0);
|
|
const float z = t != 0.0 ? height : base;
|
|
|
|
gl_Position = drawable.matrix * vec4(in_position, z, 1.0);
|
|
gl_Position.y *= -1.0;
|
|
|
|
#if defined(OVERDRAW_INSPECTOR)
|
|
frag_color = vec4(1.0);
|
|
return;
|
|
#endif
|
|
|
|
#if defined(HAS_UNIFORM_u_pattern_from)
|
|
const mediump vec4 pattern_from = tile.pattern_from;
|
|
#else
|
|
const mediump vec4 pattern_from = in_pattern_from;
|
|
frag_pattern_from = in_pattern_from;
|
|
#endif
|
|
|
|
#if defined(HAS_UNIFORM_u_pattern_to)
|
|
const mediump vec4 pattern_to = tile.pattern_to;
|
|
#else
|
|
const mediump vec4 pattern_to = in_pattern_to;
|
|
frag_pattern_to = in_pattern_to;
|
|
#endif
|
|
|
|
const vec2 pattern_tl_a = pattern_from.xy;
|
|
const vec2 pattern_br_a = pattern_from.zw;
|
|
const vec2 pattern_tl_b = pattern_to.xy;
|
|
const vec2 pattern_br_b = pattern_to.zw;
|
|
|
|
const float pixelRatio = global.pixel_ratio;
|
|
const float tileZoomRatio = drawable.tile_ratio;
|
|
const float fromScale = props.from_scale;
|
|
const float toScale = props.to_scale;
|
|
|
|
const vec2 display_size_a = vec2((pattern_br_a.x - pattern_tl_a.x) / pixelRatio, (pattern_br_a.y - pattern_tl_a.y) / pixelRatio);
|
|
const vec2 display_size_b = vec2((pattern_br_b.x - pattern_tl_b.x) / pixelRatio, (pattern_br_b.y - pattern_tl_b.y) / pixelRatio);
|
|
|
|
const vec2 pos = normal.x == 1.0 && normal.y == 0.0 && normal.z == 16384.0
|
|
? vec2(in_position) // extrusion top
|
|
: vec2(edgedistance, z * drawable.height_factor); // extrusion side
|
|
|
|
vec4 lighting = vec4(0.0, 0.0, 0.0, 1.0);
|
|
float directional = clamp(dot(normal / 16383.0, props.light_position_base.xyz), 0.0, 1.0);
|
|
directional = mix((1.0 - props.light_intensity), max((0.5 + props.light_intensity), 1.0), directional);
|
|
|
|
if (normal.y != 0.0) {
|
|
// This avoids another branching statement, but multiplies by a constant of 0.84 if no vertical gradient,
|
|
// and otherwise calculates the gradient based on base + height
|
|
directional *= (
|
|
(1.0 - props.vertical_gradient) +
|
|
(props.vertical_gradient * clamp((t + base) * pow(height / 150.0, 0.5), mix(0.7, 0.98, 1.0 - props.light_intensity), 1.0)));
|
|
}
|
|
|
|
lighting.rgb += clamp(directional * props.light_color_pad.rgb, mix(vec3(0.0), vec3(0.3), 1.0 - props.light_color_pad.rgb), vec3(1.0));
|
|
lighting *= props.opacity;
|
|
|
|
frag_lighting = lighting;
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frag_pos_a = get_pattern_pos(drawable.pixel_coord_upper, drawable.pixel_coord_lower, fromScale * display_size_a, tileZoomRatio, pos);
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frag_pos_b = get_pattern_pos(drawable.pixel_coord_upper, drawable.pixel_coord_lower, toScale * display_size_b, tileZoomRatio, pos);
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#if !defined(HAS_UNIFORM_u_pattern_from)
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frag_pattern_from = in_pattern_from;
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#endif
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#if !defined(HAS_UNIFORM_u_pattern_to)
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frag_pattern_to = in_pattern_to;
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#endif
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}
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)";
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static constexpr auto fragment = R"(
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layout(location = 0) in mediump vec4 frag_lighting;
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layout(location = 1) in mediump vec2 frag_pos_a;
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layout(location = 2) in mediump vec2 frag_pos_b;
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|
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#if !defined(HAS_UNIFORM_u_pattern_from)
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layout(location = 3) in mediump vec4 frag_pattern_from;
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#endif
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|
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#if !defined(HAS_UNIFORM_u_pattern_to)
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layout(location = 4) in mediump vec4 frag_pattern_to;
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#endif
|
|
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layout(location = 0) out vec4 out_color;
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|
|
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layout(set = 0, binding = 1) uniform FillExtrusionDrawableUBO {
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mat4 matrix;
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vec2 texsize;
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vec2 pixel_coord_upper;
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vec2 pixel_coord_lower;
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float height_factor;
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|
float tile_ratio;
|
|
} drawable;
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|
|
|
layout(set = 0, binding = 2) uniform FillExtrusionPropsUBO {
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vec4 color;
|
|
vec4 light_color_pad;
|
|
vec4 light_position_base;
|
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float height;
|
|
float light_intensity;
|
|
float vertical_gradient;
|
|
float opacity;
|
|
float fade;
|
|
float from_scale;
|
|
float to_scale;
|
|
float pad2;
|
|
} props;
|
|
|
|
layout(set = 0, binding = 3) uniform FillExtrusionTilePropsUBO {
|
|
vec4 pattern_from;
|
|
vec4 pattern_to;
|
|
} tile;
|
|
|
|
layout(set = 1, binding = 0) uniform sampler2D image0_sampler;
|
|
|
|
void main() {
|
|
|
|
#if defined(OVERDRAW_INSPECTOR)
|
|
out_color = vec4(1.0);
|
|
return;
|
|
#endif
|
|
|
|
#if defined(HAS_UNIFORM_u_pattern_from)
|
|
const vec4 pattern_from = tile.pattern_from;
|
|
#else
|
|
const vec4 pattern_from = frag_pattern_from;
|
|
#endif
|
|
#if defined(HAS_UNIFORM_u_pattern_to)
|
|
const vec4 pattern_to = tile.pattern_to;
|
|
#else
|
|
const vec4 pattern_to = frag_pattern_to;
|
|
#endif
|
|
|
|
const vec2 pattern_tl_a = pattern_from.xy;
|
|
const vec2 pattern_br_a = pattern_from.zw;
|
|
const vec2 pattern_tl_b = pattern_to.xy;
|
|
const vec2 pattern_br_b = pattern_to.zw;
|
|
|
|
const vec2 imagecoord = mod(frag_pos_a, 1.0);
|
|
const vec2 pos = mix(pattern_tl_a / drawable.texsize, pattern_br_a / drawable.texsize, imagecoord);
|
|
const vec4 color1 = texture(image0_sampler, pos);
|
|
|
|
const vec2 imagecoord_b = mod(frag_pos_b, 1.0);
|
|
const vec2 pos2 = mix(pattern_tl_b / drawable.texsize, pattern_br_b / drawable.texsize, imagecoord_b);
|
|
const vec4 color2 = texture(image0_sampler, pos2);
|
|
|
|
out_color = mix(color1, color2, props.fade) * frag_lighting;
|
|
}
|
|
)";
|
|
};
|
|
|
|
} // namespace shaders
|
|
} // namespace mbgl
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