X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fprogrambuilder.cpp;h=30457838e89bae1270ff3648a79250624a82d69e;hb=ae9abd6be3e556d0a202cc5ab05668da715382c9;hp=4043fc4471648f6dec62d611c7cf07479548c545;hpb=8e9d872c2ba8dc633d29a673ba93adf38d262a5c;p=libs%2Fgl.git diff --git a/source/programbuilder.cpp b/source/programbuilder.cpp index 4043fc44..30457838 100644 --- a/source/programbuilder.cpp +++ b/source/programbuilder.cpp @@ -19,6 +19,7 @@ Naming conventions: eye_* Eye space tbn_* Tangent-Binormal-Normal space shd_* Shadow space + env_* Environment space *_dir Direction vector zzz_* Wildcard space, resolved by the builder @@ -45,8 +46,10 @@ const ProgramBuilder::StandardVariable ProgramBuilder::standard_variables[] = { FRAGMENT, "color_base", "vec4", "color", "!l!sm" }, { FRAGMENT, "color_base", "vec4", "vec4(vec3(l_shadow), 1.0)", "!ls!m" }, { FRAGMENT, "color_base", "vec4", "color*vec4(vec3(l_shadow), 1.0)", "!lsm" }, - { FRAGMENT, "color_base", "vec4", "vec4(rgb_light_full, 1.0)", "l!m" }, - { FRAGMENT, "color_base", "vec4", "vec4(rgb_light_full, gl_FrontMaterial.diffuse.a)", "lm" }, + { FRAGMENT, "color_base", "vec4", "vec4(rgb_light_env, 1.0)", "l!m" }, + { FRAGMENT, "color_base", "vec4", "vec4(rgb_light_env, gl_FrontMaterial.diffuse.a)", "lm" }, + { FRAGMENT, "rgb_light_env", "vec3", "rgb_light_full+reflect_sample.rgb*reflectivity", "e" }, + { FRAGMENT, "rgb_light_env", "vec3", "rgb_light_full", "!e" }, { FRAGMENT, "rgb_light_full", "vec3", "rgb_light_shadow+gl_FrontLightModelProduct.sceneColor.rgb", "m" }, { FRAGMENT, "rgb_light_full", "vec3", "rgb_light_shadow", "!m" }, { FRAGMENT, "rgb_light_shadow", "vec3", "rgb_light*l_shadow", "s" }, @@ -55,18 +58,25 @@ const ProgramBuilder::StandardVariable ProgramBuilder::standard_variables[] = { FRAGMENT, "rgb_light", "vec3", "vec3(l_diffuse+l_specular)", "!mp" }, { FRAGMENT, "rgb_light", "vec3", "l_diffuse*gl_FrontLightProduct[0].diffuse.rgb", "m!p" }, { FRAGMENT, "rgb_light", "vec3", "l_diffuse*gl_FrontLightProduct[0].diffuse.rgb+l_specular*gl_FrontLightProduct[0].specular.rgb", "mp" }, + { FRAGMENT, "reflect_sample", "vec4", "textureCube(environment, env_reflect_dir)", 0 }, + { FRAGMENT, "env_reflect_dir", "vec3", "env_eye_matrix*eye_reflect_dir", 0 }, + { FRAGMENT, "eye_reflect_dir", "vec3", "eye_tbn_matrix*tbn_reflect_dir", "n" }, + { FRAGMENT, "zzz_reflect_dir", "vec3", "reflect(zzz_incident_dir, n_zzz_normal)", 0 }, { FRAGMENT, "l_shadow", "float", "mix(1.0, shadow_sample, shadow_darkness)", 0 }, { FRAGMENT, "shadow_sample", "float", "shadow2D(shadow, shd_vertex).r", 0 }, { FRAGMENT, "l_diffuse", "float", "max(dot(n_zzz_normal, n_zzz_light_dir), 0.0)", 0 }, { FRAGMENT, "l_specular", "float", "pow(max(dot(n_zzz_half_vec, n_zzz_normal), 0.0), gl_FrontMaterial.shininess)", 0 }, { FRAGMENT, "n_zzz_half_vec", "vec3", "normalize(zzz_light_dir-zzz_incident_dir)", 0 }, { FRAGMENT, "n_zzz_light_dir", "vec3", "normalize(zzz_light_dir)", 0 }, - { FRAGMENT, "n_tbn_normal", "vec3", "texture2D(normalmap, texture_coord).xyz*2.0-1.0", "n" }, + { FRAGMENT, "n_tbn_normal", "vec3", "normal_sample*2.0-1.0", "n" }, { FRAGMENT, "n_eye_normal", "vec3", "normalize(eye_normal)", "!n" }, - { FRAGMENT, "tex_sample", "vec4", "texture2D(texture, texture_coord)", 0 }, + { FRAGMENT, "normal_sample", "vec3", "texture2D(normalmap, texture_coord).xyz", "!c" }, + { FRAGMENT, "normal_sample", "vec3", "sample_normalmap(texture_coord)", "c" }, + { FRAGMENT, "tex_sample", "vec4", "texture2D(texture, texture_coord)", "!c" }, + { FRAGMENT, "tex_sample", "vec4", "sample_texture(texture_coord)", "c" }, { VERTEX, "gl_Position", 0, "gl_ProjectionMatrix*eye_vertex", 0 }, - { VERTEX, "shd_vertex", "vec3", "eye_vertex*eye_shd_rmatrix", 0 }, + { VERTEX, "shd_vertex", "vec3", "(eye_vertex*eye_shd_rmatrix).xyz", 0 }, { VERTEX, "eye_shd_rmatrix", "mat4", "mat4(gl_EyePlaneS[shadow_unit], gl_EyePlaneT[shadow_unit], gl_EyePlaneR[shadow_unit], vec4(0.0, 0.0, 0.0, 1.0))", 0 }, { VERTEX, "tbn_light_dir", "vec3", "eye_light_dir*eye_tbn_matrix", 0 }, { VERTEX, "eye_light_dir", "vec3", "normalize(gl_LightSource[0].position.xyz-eye_vertex.xyz*gl_LightSource[0].position.w)", 0 }, @@ -92,6 +102,9 @@ const ProgramBuilder::StandardVariable ProgramBuilder::standard_variables[] = { UNIFORM, "shadow", "sampler2DShadow", 0, 0 }, { UNIFORM, "shadow_darkness", "float", 0, 0 }, { UNIFORM, "normalmap", "sampler2D", 0, 0 }, + { UNIFORM, "environment", "samplerCube", 0, 0 }, + { UNIFORM, "env_eye_matrix", "mat3", 0, 0 }, + { UNIFORM, "reflectivity", "float", 0, 0 }, // Terminator entry { NO_SCOPE, 0, 0, 0, 0 } @@ -222,6 +235,13 @@ string ProgramBuilder::create_source(const list &variables, Va source += "vec4 transform_vertex(vec4);\n"; source += "vec3 transform_normal(vec3);\n"; } + else if(scope==FRAGMENT && features.colorify) + { + if(features.texture) + source += "vec4 sample_texture(vec2);\n"; + if(features.normalmap) + source += "vec3 sample_normalmap(vec2);\n"; + } source += "void main()\n{\n"; @@ -355,7 +375,8 @@ vector ProgramBuilder::extract_identifiers(const char *expression) { vector result; const char *ptr = expression; - unsigned start, length; + unsigned start = 0; + unsigned length = 0; while(parse_identifier(ptr, start, length)) { result.push_back(string(ptr+start, length)); @@ -368,7 +389,8 @@ string ProgramBuilder::replace_identifiers(const char *expression, const map(f) { + add("colorify", &StandardFeatures::colorify); add("lighting", &StandardFeatures::lighting); add("material", &StandardFeatures::material); add("normalmap", &StandardFeatures::normalmap);