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| author | Rémi Verschelde <rverschelde@gmail.com> | 2022-09-29 10:43:42 +0200 |
|---|---|---|
| committer | Rémi Verschelde <rverschelde@gmail.com> | 2022-09-29 10:43:42 +0200 |
| commit | 315a71103e2f23ade4d402e315bb9ec80361fc4c (patch) | |
| tree | 0b32462aae53aafaf2c3d13857058d1146baccc9 /servers/rendering | |
| parent | f8745f2f71c79972df66f17a3da75f6e328bc55d (diff) | |
| parent | 1a0890122f0b5985d9fb15eac07fb9cc27aceb45 (diff) | |
Merge pull request #66565 from clayjohn/canvas-lights
Clean up canvas light shader API.
Diffstat (limited to 'servers/rendering')
| -rw-r--r-- | servers/rendering/renderer_rd/renderer_canvas_render_rd.cpp | 2 | ||||
| -rw-r--r-- | servers/rendering/renderer_rd/shaders/canvas.glsl | 9 | ||||
| -rw-r--r-- | servers/rendering/shader_types.cpp | 3 |
3 files changed, 13 insertions, 1 deletions
diff --git a/servers/rendering/renderer_rd/renderer_canvas_render_rd.cpp b/servers/rendering/renderer_rd/renderer_canvas_render_rd.cpp index 0210151420..bbb53f7b97 100644 --- a/servers/rendering/renderer_rd/renderer_canvas_render_rd.cpp +++ b/servers/rendering/renderer_rd/renderer_canvas_render_rd.cpp @@ -2512,6 +2512,8 @@ RendererCanvasRenderRD::RendererCanvasRenderRD() { actions.renames["VERTEX_ID"] = "gl_VertexIndex"; actions.renames["LIGHT_POSITION"] = "light_position"; + actions.renames["LIGHT_DIRECTION"] = "light_direction"; + actions.renames["LIGHT_IS_DIRECTIONAL"] = "is_directional"; actions.renames["LIGHT_COLOR"] = "light_color"; actions.renames["LIGHT_ENERGY"] = "light_energy"; actions.renames["LIGHT"] = "light"; diff --git a/servers/rendering/renderer_rd/shaders/canvas.glsl b/servers/rendering/renderer_rd/shaders/canvas.glsl index f24d90a032..45dc63aa17 100644 --- a/servers/rendering/renderer_rd/shaders/canvas.glsl +++ b/servers/rendering/renderer_rd/shaders/canvas.glsl @@ -313,6 +313,14 @@ vec4 light_compute( vec2 uv, vec4 color, bool is_directional) { vec4 light = vec4(0.0); + vec3 light_direction = vec3(0.0); + + if (is_directional) { + light_direction = normalize(mix(vec3(light_position.xy, 0.0), vec3(0, 0, 1), light_position.z)); + light_position = vec3(0.0); + } else { + light_direction = normalize(light_position - light_vertex); + } #CODE : LIGHT @@ -686,7 +694,6 @@ void main() { vec3 light_pos = vec3(light_array.data[light_base].position, light_array.data[light_base].height); vec3 pos = light_vertex; vec3 light_vec = normalize(light_pos - pos); - float cNdotL = max(0.0, dot(normal, light_vec)); light_color.rgb = light_normal_compute(light_vec, normal, base_color, light_color.rgb, specular_shininess, specular_shininess_used); } diff --git a/servers/rendering/shader_types.cpp b/servers/rendering/shader_types.cpp index cd063f91ac..11799c8fde 100644 --- a/servers/rendering/shader_types.cpp +++ b/servers/rendering/shader_types.cpp @@ -297,6 +297,9 @@ ShaderTypes::ShaderTypes() { shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["SPECULAR_SHININESS"] = constt(ShaderLanguage::TYPE_VEC4); shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["LIGHT_COLOR"] = constt(ShaderLanguage::TYPE_VEC4); shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["LIGHT_POSITION"] = constt(ShaderLanguage::TYPE_VEC3); + shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["LIGHT_DIRECTION"] = constt(ShaderLanguage::TYPE_VEC3); + shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["LIGHT_ENERGY"] = constt(ShaderLanguage::TYPE_FLOAT); + shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["LIGHT_IS_DIRECTIONAL"] = constt(ShaderLanguage::TYPE_BOOL); shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["LIGHT_VERTEX"] = constt(ShaderLanguage::TYPE_VEC3); shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["LIGHT"] = ShaderLanguage::TYPE_VEC4; shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["SHADOW_MODULATE"] = ShaderLanguage::TYPE_VEC4; |