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-rw-r--r--drivers/gles2/rasterizer_gles2.cpp42
-rw-r--r--drivers/gles2/shader_compiler_gles2.cpp8
-rw-r--r--drivers/gles2/shader_compiler_gles2.h3
-rw-r--r--drivers/gles2/shaders/canvas.glsl12
4 files changed, 49 insertions, 16 deletions
diff --git a/drivers/gles2/rasterizer_gles2.cpp b/drivers/gles2/rasterizer_gles2.cpp
index ae5f3d8f2f..3660be20db 100644
--- a/drivers/gles2/rasterizer_gles2.cpp
+++ b/drivers/gles2/rasterizer_gles2.cpp
@@ -4611,6 +4611,9 @@ void RasterizerGLES2::_update_shader( Shader* p_shader) const {
if (fragment_flags.uses_texpixel_size) {
enablers.push_back("#define USE_TEXPIXEL_SIZE\n");
}
+ if (light_flags.uses_shadow_color) {
+ enablers.push_back("#define USE_LIGHT_SHADOW_COLOR\n");
+ }
if (vertex_flags.uses_worldvec) {
enablers.push_back("#define USE_WORLD_VEC\n");
@@ -9260,7 +9263,9 @@ void RasterizerGLES2::canvas_render_items(CanvasItem *p_item_list,int p_z,const
_canvas_item_setup_shader_uniforms(material,shader_cache);
}
- if (material && material->unshaded) {
+ bool unshaded = material && material->shading_mode==VS::CANVAS_ITEM_SHADING_UNSHADED;
+
+ if (unshaded) {
canvas_shader.set_uniform(CanvasShaderGLES2::MODULATE,Color(1,1,1,1));
reset_modulate=true;
} else if (reset_modulate) {
@@ -9317,13 +9322,15 @@ void RasterizerGLES2::canvas_render_items(CanvasItem *p_item_list,int p_z,const
canvas_opacity = ci->final_opacity;
- _canvas_item_render_commands<false>(ci,current_clip,reclip);
- if (canvas_blend_mode==VS::MATERIAL_BLEND_MODE_MIX && p_light && (!material || !material->unshaded)) {
+ if (unshaded || (p_modulate.a>0.001 && (!material || material->shading_mode!=VS::CANVAS_ITEM_SHADING_ONLY_LIGHT)))
+ _canvas_item_render_commands<false>(ci,current_clip,reclip);
+
+ if (canvas_blend_mode==VS::MATERIAL_BLEND_MODE_MIX && p_light && !unshaded) {
CanvasLight *light = p_light;
bool light_used=false;
- bool subtract=false;
+ VS::CanvasLightMode mode=VS::CANVAS_LIGHT_MODE_ADD;
while(light) {
@@ -9332,21 +9339,28 @@ void RasterizerGLES2::canvas_render_items(CanvasItem *p_item_list,int p_z,const
//intersects this light
- if (!light_used || subtract!=light->subtract) {
+ if (!light_used || mode!=light->mode) {
- subtract=light->subtract;
+ mode=light->mode;
- if (subtract) {
+ switch(mode) {
- glBlendEquation(GL_FUNC_REVERSE_SUBTRACT);
- glBlendFunc(GL_SRC_ALPHA,GL_ONE);
-
- } else {
+ case VS::CANVAS_LIGHT_MODE_ADD: {
+ glBlendEquation(GL_FUNC_ADD);
+ glBlendFunc(GL_SRC_ALPHA,GL_ONE);
- glBlendEquation(GL_FUNC_ADD);
- glBlendFunc(GL_SRC_ALPHA,GL_ONE);
+ } break;
+ case VS::CANVAS_LIGHT_MODE_SUB: {
+ glBlendEquation(GL_FUNC_REVERSE_SUBTRACT);
+ glBlendFunc(GL_SRC_ALPHA,GL_ONE);
+ } break;
+ case VS::CANVAS_LIGHT_MODE_MIX: {
+ glBlendEquation(GL_FUNC_ADD);
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ } break;
}
+
}
if (!light_used) {
@@ -9384,7 +9398,7 @@ void RasterizerGLES2::canvas_render_items(CanvasItem *p_item_list,int p_z,const
canvas_shader.set_uniform(CanvasShaderGLES2::LIGHT_MATRIX,light->light_shader_xform);
canvas_shader.set_uniform(CanvasShaderGLES2::LIGHT_POS,light->light_shader_pos);
- canvas_shader.set_uniform(CanvasShaderGLES2::LIGHT_COLOR,light->color);
+ canvas_shader.set_uniform(CanvasShaderGLES2::LIGHT_COLOR,Color(light->color.r*light->energy,light->color.g*light->energy,light->color.b*light->energy,light->color.a));
canvas_shader.set_uniform(CanvasShaderGLES2::LIGHT_HEIGHT,light->height);
canvas_shader.set_uniform(CanvasShaderGLES2::LIGHT_LOCAL_MATRIX,light->xform_cache.affine_inverse());
diff --git a/drivers/gles2/shader_compiler_gles2.cpp b/drivers/gles2/shader_compiler_gles2.cpp
index 8d378ceec1..69bd269948 100644
--- a/drivers/gles2/shader_compiler_gles2.cpp
+++ b/drivers/gles2/shader_compiler_gles2.cpp
@@ -266,6 +266,9 @@ String ShaderCompilerGLES2::dump_node_code(SL::Node *p_node,int p_level,bool p_a
uses_normal=true;
}
+ if (vnode->name==vname_shadow) {
+ uses_shadow_color=true;
+ }
}
@@ -616,6 +619,7 @@ Error ShaderCompilerGLES2::compile(const String& p_code, ShaderLanguage::ShaderT
uses_texpixel_size=false;
uses_worldvec=false;
vertex_code_writes_vertex=false;
+ uses_shadow_color=false;
uniforms=r_uniforms;
flags=&r_flags;
r_flags.use_color_interp=false;
@@ -651,6 +655,7 @@ Error ShaderCompilerGLES2::compile(const String& p_code, ShaderLanguage::ShaderT
r_flags.uses_normal=uses_normal;
r_flags.uses_texpixel_size=uses_texpixel_size;
r_flags.uses_worldvec=uses_worldvec;
+ r_flags.uses_shadow_color=uses_shadow_color;
r_code_line=code;
r_globals_line=global_code;
@@ -827,7 +832,9 @@ ShaderCompilerGLES2::ShaderCompilerGLES2() {
mode_replace_table[5]["LIGHT_VEC"]="light_vec";
mode_replace_table[5]["LIGHT_HEIGHT"]="light_height";
mode_replace_table[5]["LIGHT_COLOR"]="light";
+ mode_replace_table[5]["LIGHT_UV"]="light_uv";
mode_replace_table[5]["LIGHT"]="light_out";
+ mode_replace_table[5]["SHADOW"]="shadow_color";
mode_replace_table[5]["SCREEN_UV"]="screen_uv";
mode_replace_table[5]["POINT_COORD"]="gl_PointCoord";
mode_replace_table[5]["TIME"]="time";
@@ -857,5 +864,6 @@ ShaderCompilerGLES2::ShaderCompilerGLES2() {
vname_normal="NORMAL";
vname_texpixel_size="TEXTURE_PIXEL_SIZE";
vname_world_vec="WORLD_VERTEX";
+ vname_shadow="SHADOW";
}
diff --git a/drivers/gles2/shader_compiler_gles2.h b/drivers/gles2/shader_compiler_gles2.h
index 87722602fd..87016fd968 100644
--- a/drivers/gles2/shader_compiler_gles2.h
+++ b/drivers/gles2/shader_compiler_gles2.h
@@ -55,6 +55,7 @@ private:
bool uses_texpixel_size;
bool uses_worldvec;
bool vertex_code_writes_vertex;
+ bool uses_shadow_color;
Flags *flags;
StringName vname_discard;
@@ -74,6 +75,7 @@ private:
StringName vname_normal;
StringName vname_texpixel_size;
StringName vname_world_vec;
+ StringName vname_shadow;
Map<StringName,ShaderLanguage::Uniform> *uniforms;
@@ -110,6 +112,7 @@ public:
bool uses_normal;
bool uses_texpixel_size;
bool uses_worldvec;
+ bool uses_shadow_color;
};
Error compile(const String& p_code, ShaderLanguage::ShaderType p_type, String& r_code_line, String& r_globals_line, Flags& r_flags, Map<StringName,ShaderLanguage::Uniform> *r_uniforms=NULL);
diff --git a/drivers/gles2/shaders/canvas.glsl b/drivers/gles2/shaders/canvas.glsl
index baa7e664b5..bb47de6688 100644
--- a/drivers/gles2/shaders/canvas.glsl
+++ b/drivers/gles2/shaders/canvas.glsl
@@ -230,7 +230,11 @@ FRAGMENT_SHADER_CODE
float att=1.0;
- vec4 light = texture2D(light_texture,light_uv_interp.xy) * light_color;
+ vec2 light_uv = light_uv_interp.xy;
+ vec4 light = texture2D(light_texture,light_uv) * light_color;
+#if defined(USE_LIGHT_SHADOW_COLOR)
+ vec4 shadow_color=vec4(0.0,0.0,0.0,0.0);
+#endif
#if defined(USE_LIGHT_SHADER_CODE)
//light is written by the light shader
@@ -362,7 +366,11 @@ LIGHT_SHADER_CODE
#endif
- color.rgb*=shadow_attenuation;
+#if defined(USE_LIGHT_SHADOW_COLOR)
+ color=mix(shadow_color,color,shadow_attenuation);
+#else
+ color.rgb*=shadow_attenuation;
+#endif
//use shadows
#endif
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-01 06:25:07 +0000