diff options
Diffstat (limited to 'servers/rendering/renderer_rd')
4 files changed, 52 insertions, 3 deletions
diff --git a/servers/rendering/renderer_rd/renderer_canvas_render_rd.cpp b/servers/rendering/renderer_rd/renderer_canvas_render_rd.cpp index 3af5047854..6267f684e3 100644 --- a/servers/rendering/renderer_rd/renderer_canvas_render_rd.cpp +++ b/servers/rendering/renderer_rd/renderer_canvas_render_rd.cpp @@ -541,6 +541,14 @@ void RendererCanvasRenderRD::_render_item(RD::DrawListID p_draw_list, RID p_rend src_rect = Rect2(0, 0, 1, 1); } + if (rect->flags & CANVAS_RECT_MSDF) { + push_constant.flags |= FLAGS_USE_MSDF; + push_constant.msdf[0] = rect->px_range; // Pixel range. + push_constant.msdf[1] = rect->outline; // Outline size. + push_constant.msdf[2] = 0.f; // Reserved. + push_constant.msdf[3] = 0.f; // Reserved. + } + push_constant.modulation[0] = rect->modulate.r * base_color.r; push_constant.modulation[1] = rect->modulate.g * base_color.g; push_constant.modulation[2] = rect->modulate.b * base_color.b; diff --git a/servers/rendering/renderer_rd/renderer_canvas_render_rd.h b/servers/rendering/renderer_rd/renderer_canvas_render_rd.h index 7c4f62832c..ec7d7e2854 100644 --- a/servers/rendering/renderer_rd/renderer_canvas_render_rd.h +++ b/servers/rendering/renderer_rd/renderer_canvas_render_rd.h @@ -84,8 +84,9 @@ class RendererCanvasRenderRD : public RendererCanvasRender { FLAGS_LIGHT_COUNT_SHIFT = 20, FLAGS_DEFAULT_NORMAL_MAP_USED = (1 << 26), - FLAGS_DEFAULT_SPECULAR_MAP_USED = (1 << 27) + FLAGS_DEFAULT_SPECULAR_MAP_USED = (1 << 27), + FLAGS_USE_MSDF = (1 << 28), }; enum { @@ -388,7 +389,10 @@ class RendererCanvasRenderRD : public RendererCanvasRender { //rect struct { float modulation[4]; - float ninepatch_margins[4]; + union { + float msdf[4]; + float ninepatch_margins[4]; + }; float dst_rect[4]; float src_rect[4]; float pad[2]; diff --git a/servers/rendering/renderer_rd/shaders/canvas.glsl b/servers/rendering/renderer_rd/shaders/canvas.glsl index a443bcdcb8..2911e8b731 100644 --- a/servers/rendering/renderer_rd/shaders/canvas.glsl +++ b/servers/rendering/renderer_rd/shaders/canvas.glsl @@ -458,6 +458,14 @@ void light_blend_compute(uint light_base, vec4 light_color, inout vec3 color) { #endif +float msdf_median(float r, float g, float b, float a) { + return min(max(min(r, g), min(max(r, g), b)), a); +} + +vec2 msdf_map(vec2 value, vec2 in_min, vec2 in_max, vec2 out_min, vec2 out_max) { + return out_min + (out_max - out_min) * (value - in_min) / (in_max - in_min); +} + void main() { vec4 color = color_interp; vec2 uv = uv_interp; @@ -485,7 +493,34 @@ void main() { #endif - color *= texture(sampler2D(color_texture, texture_sampler), uv); +#ifndef USE_PRIMITIVE + if (bool(draw_data.flags & FLAGS_USE_MSDF)) { + float px_range = draw_data.ninepatch_margins.x; + float outline_thickness = draw_data.ninepatch_margins.y; + //float reserved1 = draw_data.ninepatch_margins.z; + //float reserved2 = draw_data.ninepatch_margins.w; + + vec4 msdf_sample = texture(sampler2D(color_texture, texture_sampler), uv); + vec2 msdf_size = vec2(textureSize(sampler2D(color_texture, texture_sampler), 0)); + vec2 dest_size = vec2(1.0) / fwidth(uv); + float px_size = max(0.5 * dot((vec2(px_range) / msdf_size), dest_size), 1.0); + float d = msdf_median(msdf_sample.r, msdf_sample.g, msdf_sample.b, msdf_sample.a) - 0.5; + + if (outline_thickness > 0) { + float cr = clamp(outline_thickness, 0.0, px_range / 2) / px_range; + float a = clamp((d + cr) * px_size, 0.0, 1.0); + color.a = a * color.a; + } else { + float a = clamp(d * px_size + 0.5, 0.0, 1.0); + color.a = a * color.a; + } + + } else { +#else + { +#endif + color *= texture(sampler2D(color_texture, texture_sampler), uv); + } uint light_count = (draw_data.flags >> FLAGS_LIGHT_COUNT_SHIFT) & 0xF; //max 16 lights bool using_light = light_count > 0 || canvas_data.directional_light_count > 0; diff --git a/servers/rendering/renderer_rd/shaders/canvas_uniforms_inc.glsl b/servers/rendering/renderer_rd/shaders/canvas_uniforms_inc.glsl index 451f9b0089..0cff505cae 100644 --- a/servers/rendering/renderer_rd/shaders/canvas_uniforms_inc.glsl +++ b/servers/rendering/renderer_rd/shaders/canvas_uniforms_inc.glsl @@ -24,6 +24,8 @@ #define FLAGS_DEFAULT_NORMAL_MAP_USED (1 << 26) #define FLAGS_DEFAULT_SPECULAR_MAP_USED (1 << 27) +#define FLAGS_USE_MSDF (1 << 28) + #define SAMPLER_NEAREST_CLAMP 0 #define SAMPLER_LINEAR_CLAMP 1 #define SAMPLER_NEAREST_WITH_MIPMAPS_CLAMP 2 |