#include <algorithm>
#include <cstring>
#include <set>
+#include <msp/gl/extensions/arb_uniform_buffer_object.h>
#include <msp/strings/format.h>
#include <msp/strings/utils.h>
#include "extension.h"
{ FRAGMENT, "rgb_surface", "vec3", "rgb_lit_surface", "l" },
{ FRAGMENT, "rgb_unlit_surface", "vec3", "basic_color.rgb", "!s" },
{ FRAGMENT, "rgb_unlit_surface", "vec3", "basic_color.rgb*l_shadow", "s" },
- { FRAGMENT, "rgb_lit_surface", "vec3", "rgb_illumination_diffuse", "!m" },
+ { FRAGMENT, "rgb_lit_surface", "vec3", "rgb_illumination_diffuse", "!m!t" },
+ { FRAGMENT, "rgb_lit_surface", "vec3", "rgb_illumination_diffuse*diffuse_sample.rgb", "!mt" },
{ FRAGMENT, "rgb_lit_surface", "vec3", "rgb_surface_ambient+rgb_surface_diffuse", "m!p" },
{ FRAGMENT, "rgb_lit_surface", "vec3", "rgb_surface_ambient+rgb_surface_diffuse+rgb_surface_specular", "mp" },
{ FRAGMENT, "surface_alpha", "float", "basic_color.a", "!m" },
{ FRAGMENT, "surface_alpha", "float", "basic_color.a", "m!l" },
{ FRAGMENT, "surface_alpha", "float", "material.diffuse.a", "ml!t" },
- { FRAGMENT, "surface_alpha", "float", "material.diffuse.a*tex_sample.a", "mlt" },
+ { FRAGMENT, "surface_alpha", "float", "material.diffuse.a*diffuse_sample.a", "mlt" },
{ FRAGMENT, "basic_color", "vec4", "vec4(1.0)", "!m!t" },
- { FRAGMENT, "basic_color", "vec4", "tex_sample", "!mt" },
+ { FRAGMENT, "basic_color", "vec4", "diffuse_sample", "!mt" },
{ FRAGMENT, "basic_color", "vec4", "color", "m!t" },
- { FRAGMENT, "basic_color", "vec4", "color*tex_sample", "mt" },
+ { FRAGMENT, "basic_color", "vec4", "color*diffuse_sample", "mt" },
{ FRAGMENT, "rgb_surface_ambient", "vec3", "rgb_illumination_ambient*material.ambient.rgb", "!t" },
- { FRAGMENT, "rgb_surface_ambient", "vec3", "rgb_illumination_ambient*material.ambient.rgb*tex_sample.rgb", "t" },
+ { FRAGMENT, "rgb_surface_ambient", "vec3", "rgb_illumination_ambient*material.ambient.rgb*diffuse_sample.rgb", "t" },
{ FRAGMENT, "rgb_illumination_ambient", "vec3", "ambient_color.rgb", "!y" },
{ FRAGMENT, "rgb_illumination_ambient", "vec3", "ambient_color.rgb+l_skylight*sky_color.rgb", "y" },
{ FRAGMENT, "l_skylight", "float", "dot(n_zzz_normal, zzz_sky_dir)*0.5+0.5", 0 },
{ FRAGMENT, "l_specular[i]", "float", "pow(max(dot(n_zzz_half_vec[i], n_zzz_normal), 0.0), material.shininess)", 0 },
{ FRAGMENT, "rgb_surface_diffuse", "vec3", "rgb_illumination_diffuse*material.diffuse.rgb", "!t" },
- { FRAGMENT, "rgb_surface_diffuse", "vec3", "rgb_illumination_diffuse*material.diffuse.rgb*tex_sample.rgb", "t" },
+ { FRAGMENT, "rgb_surface_diffuse", "vec3", "rgb_illumination_diffuse*material.diffuse.rgb*diffuse_sample.rgb", "t" },
{ FRAGMENT, "rgb_illumination_diffuse", "vec3", "rgb_light_diffuse", "!s" },
{ FRAGMENT, "rgb_illumination_diffuse", "vec3", "rgb_light_diffuse*l_shadow", "s" },
{ FRAGMENT, "rgb_light_diffuse[i]", "vec3", "l_diffuse[i]*light_sources[i].diffuse.rgb", 0 },
{ FRAGMENT, "n_tbn_normal", "vec3", "normal_sample*2.0-1.0", "n" },
{ FRAGMENT, "n_eye_normal", "vec3", "normalize(eye_normal)", "!n" },
{ FRAGMENT, "normal_sample", "vec3", "texture2D(normalmap, texture_coord).xyz", 0 },
- { FRAGMENT, "tex_sample", "vec4", "texture2D(texture, texture_coord)", 0 },
+ { FRAGMENT, "diffuse_sample", "vec4", "texture2D(diffusemap, texture_coord)", 0 },
{ VERTEX, "gl_Position", "vec4", "projection_matrix*eye_vertex", 0 },
- { VERTEX, "shd_vertex", "vec3", "vec3(dot(eye_vertex, gl_EyePlaneS[shadow_unit]), dot(eye_vertex, gl_EyePlaneT[shadow_unit]), dot(eye_vertex, gl_EyePlaneR[shadow_unit]))", "g" },
- { VERTEX, "shd_vertex", "vec3", "(shd_eye_matrix*eye_vertex).xyz", "!g" },
+ { VERTEX, "shd_vertex", "vec3", "(shd_eye_matrix*eye_vertex).xyz", 0 },
{ VERTEX, "tbn_sky_dir", "vec3", "eye_sky_dir*eye_tbn_matrix", "n" },
{ VERTEX, "tbn_light_dir[i]", "vec3", "eye_light_dir[i]*eye_tbn_matrix", 0 },
{ VERTEX, "eye_light_dir[i]", "vec3", "normalize(eye_light_position[i].xyz-eye_vertex.xyz*eye_light_position[i].w)", 0 },
{ ATTRIBUTE, "tangent", "vec3", 0, 0 },
{ ATTRIBUTE, "binormal", "vec3", 0, 0 },
- { UNIFORM, "shadow_unit", "int", 0, 0 },
- { UNIFORM, "texture", "sampler2D", 0, 0 },
+ { UNIFORM, "diffusemap", "sampler2D", 0, 0 },
{ UNIFORM, "shadow", "sampler2DShadow", 0, 0 },
- { UNIFORM, "shadow_darkness", "float", 0, 0 },
+ { UNIFORM, "ShadowMap::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 },
- { UNIFORM, "eye_obj_matrix", "mat4", "gl_ModelViewMatrix", 0 },
- { UNIFORM, "eye_obj_normal_matrix", "mat3", "gl_NormalMatrix", 0 },
- { UNIFORM, "projection_matrix", "mat4", "gl_ProjectionMatrix", 0 },
- { UNIFORM, "shd_eye_matrix", "mat4", 0, 0 },
- { UNIFORM, "light_sources", "LightSourceParameters[MAX_LIGHTS]", "gl_LightSource[i]", 0 },
- { UNIFORM, "ambient_color", "vec4", 0, 0 },
- { UNIFORM, "sky_color", "vec4", 0, 0 },
- { UNIFORM, "eye_sky_dir", "vec3", 0, 0 },
- { UNIFORM, "horizon_limit", "float", 0, 0 },
- { UNIFORM, "material", "MaterialParameters", "gl_FrontMaterial", 0 },
+ { UNIFORM, "EnvMap::env_eye_matrix", "mat3", 0, 0 },
+ { UNIFORM, "Material::reflectivity", "float", 0, 0 },
+ { UNIFORM, "Transform::eye_obj_matrix", "mat4", "gl_ModelViewMatrix", 0 },
+ { UNIFORM, "Transform::eye_obj_normal_matrix", "mat3", "gl_NormalMatrix", 0 },
+ { UNIFORM, "Transform::projection_matrix", "mat4", "gl_ProjectionMatrix", 0 },
+ { UNIFORM, "ShadowMap::shd_eye_matrix", "mat4", 0, 0 },
+ { UNIFORM, "Lighting::light_sources", "LightSourceParameters[MAX_LIGHTS]", "gl_LightSource[i]", 0 },
+ { UNIFORM, "Lighting::ambient_color", "vec4", "gl_LightModel.ambient", 0 },
+ { UNIFORM, "Lighting::sky_color", "vec4", 0, 0 },
+ { UNIFORM, "Lighting::eye_sky_dir", "vec3", 0, 0 },
+ { UNIFORM, "Lighting::horizon_limit", "float", 0, 0 },
+ { UNIFORM, "Material::material", "MaterialParameters", "gl_FrontMaterial", 0 },
{ TYPE, "LightSourceParameters", "struct { vec4 position; vec4 diffuse; vec4 specular; }", "gl_LightSourceParameters", 0 },
{ TYPE, "MaterialParameters", "struct { vec4 ambient; vec4 diffuse; vec4 specular; float shininess; }", "gl_MaterialParameters", 0 },
start = semicolon+1;
}
}
+
+ if((get_gl_api()==OPENGL && !features.legacy) || (get_gl_api()==OPENGL_ES2 && get_glsl_version()>=Version(3, 0)))
+ {
+ aliases["texture2D"] = "texture";
+ aliases["shadow2D"] = "texture";
+ }
}
void ProgramBuilder::set_optimize(bool o)
continue;
}
+ const char *def_uq_name = unqualified_name(def->name);
+
// See if this variable can satisfy any unresolved variables
ShaderVariable *last_resolved = 0;
for(list<ShaderVariable>::iterator j=variables.begin(); j!=variables.end(); ++j)
if(j->variable)
continue;
- if(!name_match(def->name, j->resolved_name.c_str()))
+ if(!name_match(def_uq_name, j->resolved_name.c_str()))
continue;
if(last_resolved)
if(!features.legacy)
{
- prog.bind_fragment_data(0, "frag_color");
+ // OpenGL ES does not support binding fragment shader outputs
+ if(get_gl_api()!=OPENGL_ES2)
+ prog.bind_fragment_data(0, "frag_color");
+
prog.bind_attribute(VERTEX4, "vertex");
if(features.lighting)
prog.bind_attribute(NORMAL3, "normal");
{
string source;
+ bool use_blocks = !features.legacy && ARB_uniform_buffer_object;
+
if(!features.legacy)
- source += "#version 130\n";
+ {
+ if(get_gl_api()==OPENGL_ES2)
+ {
+ if(use_blocks)
+ source += "#version 300 es\n";
+ }
+ else
+ {
+ source += "#version 130\n";
+ if(use_blocks)
+ source += "#extension GL_ARB_uniform_buffer_object: require\n";
+ }
+ }
set<const VariableDefinition *> declared_types;
+ set<string> uniform_blocks;
for(list<ShaderVariable *>::const_iterator i=variables.begin(); i!=variables.end(); ++i)
if((*i)->variable->scope==UNIFORM && (*i)->is_referenced_from(scope) && !(*i)->inlined)
{
declared_types.insert((*i)->type);
}
- source += format("uniform %s;\n", (*i)->create_declaration());
+ if(!(*i)->resolved_block.empty() && use_blocks)
+ uniform_blocks.insert((*i)->resolved_block);
+ else
+ source += format("uniform %s;\n", (*i)->create_declaration());
}
+ for(set<string>::const_iterator i=uniform_blocks.begin(); i!=uniform_blocks.end(); ++i)
+ {
+ source += format("uniform %s\n{\n", *i);
+ for(list<ShaderVariable *>::const_iterator j=variables.begin(); j!=variables.end(); ++j)
+ if((*j)->resolved_block==*i)
+ source += format("\t%s;\n", (*j)->create_declaration());
+ source += "};\n";
+ }
+
/* Interface variables need to have global declarations. */
for(list<ShaderVariable *>::const_iterator i=variables.begin(); i!=variables.end(); ++i)
{
decl += "[i]";
}
const char *oper = ((*j)->array_sum ? "+=" : "=");
- source += format("\t\t%s %s %s;\n", decl, oper, (*j)->create_expression("i"));
+ source += format("\t\t%s %s %s;\n", decl, oper, create_expression(**j, "i"));
}
InterfaceFlags interface = (*j)->get_interface_flags(scope);
if(interface&OUTPUT)
{
- string expr = ((*j)->inlined ? (*j)->create_expression("i") : (*j)->resolved_name+"[i]");
+ string expr = ((*j)->inlined ? create_expression(**j, "i") : (*j)->resolved_name+"[i]");
source += format("\t\t%c_%s[i] = %s;\n", interfaces[scope], (*j)->resolved_name, expr);
}
}
if((*i)->variable->scope==scope && !(*i)->inlined)
{
string decl = ((interface&GOAL) ? (*i)->resolved_name : (*i)->create_declaration());
- source += format("\t%s = %s;\n", decl, (*i)->create_expression());
+ source += format("\t%s = %s;\n", decl, create_expression(**i));
}
if((interface&(OUTPUT|GOAL))==OUTPUT)
{
- string expr = ((*i)->inlined ? (*i)->create_expression() : (*i)->resolved_name);
+ string expr = ((*i)->inlined ? create_expression(**i) : (*i)->resolved_name);
source += format("\t%c_%s = %s;\n", interfaces[scope], (*i)->resolved_name, expr);
}
}
return cond;
}
+const char *ProgramBuilder::unqualified_name(const char *name)
+{
+ for(const char *p=name; *p; ++p)
+ if(*p==':' && *++p==':')
+ name = p+1;
+ return name;
+}
+
ProgramBuilder::MatchType ProgramBuilder::name_match(const char *n1, const char *n2, const char **space)
{
int i = 0;
return result;
}
+string ProgramBuilder::create_expression(const ShaderVariable &var, const char *loop) const
+{
+ string expr = var.create_expression(loop);
+ return replace_identifiers(expr.c_str(), aliases);
+}
+
ProgramBuilder::StandardFeatures::StandardFeatures():
texture(false),
{
variable = &var;
const char *space = 0;
- MatchType match = name_match(var.name, resolved_name.c_str(), &space);
+ const char *var_uq_name = unqualified_name(variable->name);
+ MatchType match = name_match(var_uq_name, resolved_name.c_str(), &space);
+
+ if(var_uq_name!=variable->name)
+ resolved_block.assign(variable->name, var_uq_name-2);
if(match==FUZZY)
resolve_space(string(space, 3));