ShaderGLES2::Version* ShaderGLES2::get_current_version() {
Version *_v=version_map.getptr(conditional_version);
if (_v) {
if (conditional_version.code_version!=0) {
CustomCode *cc=custom_code_map.getptr(conditional_version.code_version);
ERR_FAIL_COND_V(!cc,_v);
if (cc->version==_v->code_version)
return _v;
} else {
return _v;
}
}
if (!_v)
version_map[conditional_version]=Version();
Version &v = version_map[conditional_version];
if (!_v) {
v.uniform_location = memnew_arr( GLint, uniform_count );
} else {
if (v.ok) {
//bye bye shaders
glDeleteShader( v.vert_id );
glDeleteShader( v.frag_id );
glDeleteProgram( v.id );
v.id=0;
}
}
v.ok=false;
/* SETUP CONDITIONALS */
Vector<const char*> strings;
#ifdef GLEW_ENABLED
strings.push_back("#version 120\n"); //ATI requieres this before anything
#endif
int define_line_ofs=1;
for(int j=0;j<conditional_count;j++) {
bool enable=((1<<j)&conditional_version.version);
strings.push_back(enable?conditional_defines[j]:"");
if (enable)
define_line_ofs++;
if (enable) {
DEBUG_PRINT(conditional_defines[j]);
}
}
//keep them around during the function
CharString code_string;
CharString code_string2;
CharString code_globals;
//print_line("code version? "+itos(conditional_version.code_version));
CustomCode *cc=NULL;
if ( conditional_version.code_version>0 ) {
//do custom code related stuff
ERR_FAIL_COND_V( !custom_code_map.has( conditional_version.code_version ), NULL );
cc=&custom_code_map[conditional_version.code_version];
v.code_version=cc->version;
define_line_ofs+=2;
}
/* CREATE PROGRAM */
v.id = glCreateProgram();
ERR_FAIL_COND_V(v.id==0, NULL);
/* VERTEX SHADER */
if (cc) {
for(int i=0;i<cc->custom_defines.size();i++) {
strings.push_back(cc->custom_defines[i]);
DEBUG_PRINT("CD #"+itos(i)+": "+String(cc->custom_defines[i]));
}
}
int strings_base_size=strings.size();
#if 0
if (cc) {
String _code_string = "#define VERTEX_SHADER_CODE "+cc->vertex+"\n";
String _code_globals = "#define VERTEX_SHADER_GLOBALS "+cc->vertex_globals+"\n";
code_string=_code_string.ascii();
code_globals=_code_globals.ascii();
DEBUG_PRINT( code_globals.get_data() );
DEBUG_PRINT( code_string.get_data() );
strings.push_back(code_globals);
strings.push_back(code_string);
}
#endif
strings.push_back(vertex_code0.get_data());
if (cc) {
code_globals=cc->vertex_globals.ascii();
strings.push_back(code_globals.get_data());
}
strings.push_back(vertex_code1.get_data());
if (cc) {
code_string=cc->vertex.ascii();
strings.push_back(code_string.get_data());
}
strings.push_back(vertex_code2.get_data());
#ifdef DEBUG_SHADER
DEBUG_PRINT("\nVertex Code:\n\n"+String(code_string.get_data()));
for(int i=0;i<strings.size();i++) {
//print_line("vert strings "+itos(i)+":"+String(strings[i]));
}
#endif
v.vert_id = glCreateShader(GL_VERTEX_SHADER);
glShaderSource(v.vert_id,strings.size(),&strings[0],NULL);
glCompileShader(v.vert_id);
GLint status;
glGetShaderiv(v.vert_id,GL_COMPILE_STATUS,&status);
if (status==GL_FALSE) {
// error compiling
GLsizei iloglen;
glGetShaderiv(v.vert_id,GL_INFO_LOG_LENGTH,&iloglen);
if (iloglen<0) {
glDeleteShader(v.vert_id);
glDeleteProgram( v.id );
v.id=0;
ERR_PRINT("NO LOG, WTF");
} else {
if (iloglen==0) {
iloglen = 4096; //buggy driver (Adreno 220+....)
}
char *ilogmem = (char*)Memory::alloc_static(iloglen+1);
ilogmem[iloglen]=0;
glGetShaderInfoLog(v.vert_id, iloglen, &iloglen, ilogmem);
String err_string=get_shader_name()+": Vertex Program Compilation Failed:\n";
err_string+=ilogmem;
err_string=_fix_error_code_line(err_string,vertex_code_start,define_line_ofs);
ERR_PRINT(err_string.ascii().get_data());
Memory::free_static(ilogmem);
glDeleteShader(v.vert_id);
glDeleteProgram( v.id );
v.id=0;
}
ERR_FAIL_V(NULL);
}
/* FRAGMENT SHADER */
strings.resize(strings_base_size);
#if 0
if (cc) {
String _code_string = "#define FRAGMENT_SHADER_CODE "+cc->fragment+"\n";
String _code_globals = "#define FRAGMENT_SHADER_GLOBALS "+cc->fragment_globals+"\n";
code_string=_code_string.ascii();
code_globals=_code_globals.ascii();
DEBUG_PRINT( code_globals.get_data() );
DEBUG_PRINT( code_string.get_data() );
strings.push_back(code_globals);
strings.push_back(code_string);
}
#endif
strings.push_back(fragment_code0.get_data());
if (cc) {
code_globals=cc->fragment_globals.ascii();
strings.push_back(code_globals.get_data());
}
strings.push_back(fragment_code1.get_data());
if (cc) {
code_string=cc->fragment.ascii();
strings.push_back(code_string.get_data());
}
strings.push_back(fragment_code2.get_data());
if (cc) {
code_string2=cc->light.ascii();
strings.push_back(code_string2.get_data());
}
strings.push_back(fragment_code3.get_data());
#ifdef DEBUG_SHADER
DEBUG_PRINT("\nFragment Code:\n\n"+String(code_string.get_data()));
for(int i=0;i<strings.size();i++) {
//print_line("frag strings "+itos(i)+":"+String(strings[i]));
}
#endif
v.frag_id = glCreateShader(GL_FRAGMENT_SHADER);
glShaderSource(v.frag_id,strings.size(),&strings[0],NULL);
glCompileShader(v.frag_id);
glGetShaderiv(v.frag_id,GL_COMPILE_STATUS,&status);
if (status==GL_FALSE) {
// error compiling
GLsizei iloglen;
glGetShaderiv(v.frag_id,GL_INFO_LOG_LENGTH,&iloglen);
if (iloglen<0) {
glDeleteShader(v.frag_id);
glDeleteShader(v.vert_id);
glDeleteProgram( v.id );
v.id=0;
ERR_PRINT("NO LOG, WTF");
} else {
if (iloglen==0) {
iloglen = 4096; //buggy driver (Adreno 220+....)
}
char *ilogmem = (char*)Memory::alloc_static(iloglen+1);
ilogmem[iloglen]=0;
glGetShaderInfoLog(v.frag_id, iloglen, &iloglen, ilogmem);
String err_string=get_shader_name()+": Fragment Program Compilation Failed:\n";
err_string+=ilogmem;
err_string=_fix_error_code_line(err_string,fragment_code_start,define_line_ofs);
ERR_PRINT(err_string.ascii().get_data());
Memory::free_static(ilogmem);
glDeleteShader(v.frag_id);
glDeleteShader(v.vert_id);
glDeleteProgram( v.id );
v.id=0;
}
ERR_FAIL_V( NULL );
}
glAttachShader(v.id,v.frag_id);
glAttachShader(v.id,v.vert_id);
// bind attributes before linking
for (int i=0;i<attribute_pair_count;i++) {
glBindAttribLocation(v.id, attribute_pairs[i].index, attribute_pairs[i].name );
}
glLinkProgram(v.id);
glGetProgramiv(v.id, GL_LINK_STATUS, &status);
if (status==GL_FALSE) {
// error linking
GLsizei iloglen;
glGetProgramiv(v.id,GL_INFO_LOG_LENGTH,&iloglen);
if (iloglen<0) {
glDeleteShader(v.frag_id);
glDeleteShader(v.vert_id);
glDeleteProgram( v.id );
v.id=0;
ERR_FAIL_COND_V(iloglen<=0, NULL);
}
if (iloglen==0) {
iloglen = 4096; //buggy driver (Adreno 220+....)
}
char *ilogmem = (char*)Memory::alloc_static(iloglen+1);
ilogmem[iloglen]=0;
glGetProgramInfoLog(v.id, iloglen, &iloglen, ilogmem);
String err_string=get_shader_name()+": Program LINK FAILED:\n";
err_string+=ilogmem;
err_string=_fix_error_code_line(err_string,fragment_code_start,define_line_ofs);
ERR_PRINT(err_string.ascii().get_data());
Memory::free_static(ilogmem);
glDeleteShader(v.frag_id);
glDeleteShader(v.vert_id);
glDeleteProgram( v.id );
v.id=0;
ERR_FAIL_V(NULL);
}
/* UNIFORMS */
glUseProgram(v.id);
//print_line("uniforms: ");
for(int j=0;j<uniform_count;j++) {
v.uniform_location[j]=glGetUniformLocation(v.id,uniform_names[j]);
//print_line("uniform "+String(uniform_names[j])+" location "+itos(v.uniform_location[j]));
}
// set texture uniforms
for (int i=0;i<texunit_pair_count;i++) {
GLint loc = glGetUniformLocation(v.id,texunit_pairs[i].name);
if (loc>=0)
glUniform1i(loc,texunit_pairs[i].index);
}
if ( cc ) {
v.custom_uniform_locations.resize(cc->custom_uniforms.size());
for(int i=0;i<cc->custom_uniforms.size();i++) {
v.custom_uniform_locations[i]=glGetUniformLocation(v.id,String(cc->custom_uniforms[i]).ascii().get_data());
}
}
glUseProgram(0);
v.ok=true;
return &v;
}
ShaderGLES2::Version *ShaderGLES2::get_current_version() {
Version *_v = version_map.getptr(conditional_version);
if (_v) {
if (conditional_version.code_version != 0) {
CustomCode *cc = custom_code_map.getptr(conditional_version.code_version);
ERR_FAIL_COND_V(!cc, _v);
if (cc->version == _v->code_version)
return _v;
} else {
return _v;
}
}
if (!_v)
version_map[conditional_version] = Version();
Version &v = version_map[conditional_version];
if (!_v) {
v.uniform_location = memnew_arr(GLint, uniform_count);
} else {
if (v.ok) {
glDeleteShader(v.vert_id);
glDeleteShader(v.frag_id);
glDeleteProgram(v.id);
v.id = 0;
}
}
v.ok = false;
Vector<const char *> strings;
#ifdef GLES_OVER_GL
strings.push_back("#version 120\n");
strings.push_back("#define USE_GLES_OVER_GL\n");
#else
strings.push_back("#version 100\n");
//angle does not like
#ifdef JAVASCRIPT_ENABLED
strings.push_back("#define USE_HIGHP_PRECISION\n");
#endif
#endif
int define_line_ofs = 1;
for (int j = 0; j < conditional_count; j++) {
bool enable = (conditional_version.version & (1 << j)) > 0;
if (enable) {
strings.push_back(conditional_defines[j]);
define_line_ofs++;
DEBUG_PRINT(conditional_defines[j]);
}
}
// keep them around during the function
CharString code_string;
CharString code_string2;
CharString code_globals;
CustomCode *cc = NULL;
if (conditional_version.code_version > 0) {
cc = custom_code_map.getptr(conditional_version.code_version);
ERR_FAIL_COND_V(!cc, NULL);
v.code_version = cc->version;
define_line_ofs += 2;
}
// program
v.id = glCreateProgram();
ERR_FAIL_COND_V(v.id == 0, NULL);
if (cc) {
for (int i = 0; i < cc->custom_defines.size(); i++) {
strings.push_back(cc->custom_defines.write[i]);
DEBUG_PRINT("CD #" + itos(i) + ": " + String(cc->custom_defines[i].get_data()));
}
}
// vertex shader
int string_base_size = strings.size();
strings.push_back(vertex_code0.get_data());
if (cc) {
code_globals = cc->vertex_globals.ascii();
strings.push_back(code_globals.get_data());
}
strings.push_back(vertex_code1.get_data());
if (cc) {
code_string = cc->vertex.ascii();
strings.push_back(code_string.get_data());
}
strings.push_back(vertex_code2.get_data());
#ifdef DEBUG_SHADER
DEBUG_PRINT("\nVertex Code:\n\n" + String(code_string.get_data()));
#endif
v.vert_id = glCreateShader(GL_VERTEX_SHADER);
glShaderSource(v.vert_id, strings.size(), &strings[0], NULL);
glCompileShader(v.vert_id);
GLint status;
glGetShaderiv(v.vert_id, GL_COMPILE_STATUS, &status);
if (status == GL_FALSE) {
GLsizei iloglen;
glGetShaderiv(v.vert_id, GL_INFO_LOG_LENGTH, &iloglen);
if (iloglen < 0) {
glDeleteShader(v.vert_id);
glDeleteProgram(v.id);
v.id = 0;
ERR_PRINT("No OpenGL vertex shader compiler log. What the frick?");
} else {
if (iloglen == 0) {
iloglen = 4096; // buggy driver (Adreno 220+)
}
char *ilogmem = (char *)Memory::alloc_static(iloglen + 1);
ilogmem[iloglen] = '\0';
glGetShaderInfoLog(v.vert_id, iloglen, &iloglen, ilogmem);
String err_string = get_shader_name() + ": Vertex shader compilation failed:\n";
err_string += ilogmem;
_display_error_with_code(err_string, strings);
Memory::free_static(ilogmem);
glDeleteShader(v.vert_id);
glDeleteProgram(v.id);
v.id = 0;
}
ERR_FAIL_V(NULL);
}
strings.resize(string_base_size);
// fragment shader
strings.push_back(fragment_code0.get_data());
if (cc) {
code_globals = cc->fragment_globals.ascii();
strings.push_back(code_globals.get_data());
}
strings.push_back(fragment_code1.get_data());
if (cc) {
code_string = cc->light.ascii();
strings.push_back(code_string.get_data());
}
strings.push_back(fragment_code2.get_data());
if (cc) {
code_string2 = cc->fragment.ascii();
strings.push_back(code_string2.get_data());
}
strings.push_back(fragment_code3.get_data());
#ifdef DEBUG_SHADER
if (cc) {
DEBUG_PRINT("\nFragment Code:\n\n" + String(cc->fragment_globals));
}
DEBUG_PRINT("\nFragment Code:\n\n" + String(code_string.get_data()));
#endif
v.frag_id = glCreateShader(GL_FRAGMENT_SHADER);
glShaderSource(v.frag_id, strings.size(), &strings[0], NULL);
glCompileShader(v.frag_id);
glGetShaderiv(v.frag_id, GL_COMPILE_STATUS, &status);
if (status == GL_FALSE) {
GLsizei iloglen;
glGetShaderiv(v.frag_id, GL_INFO_LOG_LENGTH, &iloglen);
if (iloglen < 0) {
glDeleteShader(v.frag_id);
glDeleteShader(v.vert_id);
glDeleteProgram(v.id);
v.id = 0;
ERR_PRINT("No OpenGL fragment shader compiler log. What the frick?");
} else {
if (iloglen == 0) {
iloglen = 4096; // buggy driver (Adreno 220+)
}
char *ilogmem = (char *)Memory::alloc_static(iloglen + 1);
ilogmem[iloglen] = '\0';
glGetShaderInfoLog(v.frag_id, iloglen, &iloglen, ilogmem);
String err_string = get_shader_name() + ": Fragment shader compilation failed:\n";
err_string += ilogmem;
_display_error_with_code(err_string, strings);
Memory::free_static(ilogmem);
glDeleteShader(v.frag_id);
glDeleteShader(v.vert_id);
glDeleteProgram(v.id);
v.id = 0;
}
ERR_FAIL_V(NULL);
}
glAttachShader(v.id, v.frag_id);
glAttachShader(v.id, v.vert_id);
// bind the attribute locations. This has to be done before linking so that the
// linker doesn't assign some random indices
for (int i = 0; i < attribute_pair_count; i++) {
glBindAttribLocation(v.id, attribute_pairs[i].index, attribute_pairs[i].name);
}
glLinkProgram(v.id);
glGetProgramiv(v.id, GL_LINK_STATUS, &status);
if (status == GL_FALSE) {
GLsizei iloglen;
glGetProgramiv(v.id, GL_INFO_LOG_LENGTH, &iloglen);
if (iloglen < 0) {
glDeleteShader(v.frag_id);
glDeleteShader(v.vert_id);
glDeleteProgram(v.id);
v.id = 0;
ERR_PRINT("No OpenGL program link log. What the frick?");
ERR_FAIL_V(NULL);
}
if (iloglen == 0) {
iloglen = 4096; // buggy driver (Adreno 220+)
}
char *ilogmem = (char *)Memory::alloc_static(iloglen + 1);
ilogmem[iloglen] = '\0';
glGetProgramInfoLog(v.id, iloglen, &iloglen, ilogmem);
String err_string = get_shader_name() + ": Program linking failed:\n";
err_string += ilogmem;
_display_error_with_code(err_string, strings);
Memory::free_static(ilogmem);
glDeleteShader(v.frag_id);
glDeleteShader(v.vert_id);
glDeleteProgram(v.id);
v.id = 0;
ERR_FAIL_V(NULL);
}
// get uniform locations
glUseProgram(v.id);
for (int i = 0; i < uniform_count; i++) {
v.uniform_location[i] = glGetUniformLocation(v.id, uniform_names[i]);
}
for (int i = 0; i < texunit_pair_count; i++) {
GLint loc = glGetUniformLocation(v.id, texunit_pairs[i].name);
if (loc >= 0) {
if (texunit_pairs[i].index < 0) {
glUniform1i(loc, max_image_units + texunit_pairs[i].index);
} else {
glUniform1i(loc, texunit_pairs[i].index);
}
}
}
if (cc) {
// uniforms
for (int i = 0; i < cc->custom_uniforms.size(); i++) {
String native_uniform_name = _mkid(cc->custom_uniforms[i]);
GLint location = glGetUniformLocation(v.id, (native_uniform_name).ascii().get_data());
v.custom_uniform_locations[cc->custom_uniforms[i]] = location;
}
// textures
for (int i = 0; i < cc->texture_uniforms.size(); i++) {
String native_uniform_name = _mkid(cc->texture_uniforms[i]);
GLint location = glGetUniformLocation(v.id, (native_uniform_name).ascii().get_data());
v.custom_uniform_locations[cc->texture_uniforms[i]] = location;
}
}
glUseProgram(0);
v.ok = true;
if (cc) {
cc->versions.insert(conditional_version.version);
}
return &v;
}
ShaderGLES3::Version *ShaderGLES3::get_current_version() {
Version *_v = version_map.getptr(conditional_version);
if (_v) {
if (conditional_version.code_version != 0) {
CustomCode *cc = custom_code_map.getptr(conditional_version.code_version);
ERR_FAIL_COND_V(!cc, _v);
if (cc->version == _v->code_version)
return _v;
} else {
return _v;
}
}
if (!_v)
version_map[conditional_version] = Version();
Version &v = version_map[conditional_version];
if (!_v) {
v.uniform_location = memnew_arr(GLint, uniform_count);
} else {
if (v.ok) {
//bye bye shaders
glDeleteShader(v.vert_id);
glDeleteShader(v.frag_id);
glDeleteProgram(v.id);
v.id = 0;
}
}
v.ok = false;
/* SETUP CONDITIONALS */
Vector<const char *> strings;
#ifdef GLES_OVER_GL
strings.push_back("#version 330\n");
strings.push_back("#define GLES_OVER_GL\n");
#else
strings.push_back("#version 300 es\n");
#endif
int define_line_ofs = 1;
for (int i = 0; i < custom_defines.size(); i++) {
strings.push_back(custom_defines[i].get_data());
define_line_ofs++;
}
for (int j = 0; j < conditional_count; j++) {
bool enable = ((1 << j) & conditional_version.version);
strings.push_back(enable ? conditional_defines[j] : "");
if (enable)
define_line_ofs++;
if (enable) {
DEBUG_PRINT(conditional_defines[j]);
}
}
//keep them around during the function
CharString code_string;
CharString code_string2;
CharString code_globals;
CharString material_string;
CustomCode *cc = NULL;
if (conditional_version.code_version > 0) {
//do custom code related stuff
ERR_FAIL_COND_V(!custom_code_map.has(conditional_version.code_version), NULL);
cc = &custom_code_map[conditional_version.code_version];
v.code_version = cc->version;
define_line_ofs += 2;
}
/* CREATE PROGRAM */
v.id = glCreateProgram();
ERR_FAIL_COND_V(v.id == 0, NULL);
/* VERTEX SHADER */
if (cc) {
for (int i = 0; i < cc->custom_defines.size(); i++) {
strings.push_back(cc->custom_defines[i].get_data());
DEBUG_PRINT("CD #" + itos(i) + ": " + String(cc->custom_defines[i]));
}
}
int strings_base_size = strings.size();
//vertex precision is high
strings.push_back("precision highp float;\n");
strings.push_back("precision highp int;\n");
#ifndef GLES_OVER_GL
strings.push_back("precision highp sampler2D;\n");
strings.push_back("precision highp samplerCube;\n");
strings.push_back("precision highp sampler2DArray;\n");
#endif
strings.push_back(vertex_code0.get_data());
if (cc) {
material_string = cc->uniforms.ascii();
strings.push_back(material_string.get_data());
}
strings.push_back(vertex_code1.get_data());
if (cc) {
code_globals = cc->vertex_globals.ascii();
strings.push_back(code_globals.get_data());
}
strings.push_back(vertex_code2.get_data());
if (cc) {
code_string = cc->vertex.ascii();
strings.push_back(code_string.get_data());
}
strings.push_back(vertex_code3.get_data());
#ifdef DEBUG_SHADER
DEBUG_PRINT("\nVertex Code:\n\n" + String(code_string.get_data()));
for (int i = 0; i < strings.size(); i++) {
//print_line("vert strings "+itos(i)+":"+String(strings[i]));
}
#endif
v.vert_id = glCreateShader(GL_VERTEX_SHADER);
glShaderSource(v.vert_id, strings.size(), &strings[0], NULL);
glCompileShader(v.vert_id);
GLint status;
glGetShaderiv(v.vert_id, GL_COMPILE_STATUS, &status);
if (status == GL_FALSE) {
// error compiling
GLsizei iloglen;
glGetShaderiv(v.vert_id, GL_INFO_LOG_LENGTH, &iloglen);
if (iloglen < 0) {
glDeleteShader(v.vert_id);
glDeleteProgram(v.id);
v.id = 0;
ERR_PRINT("Vertex shader compilation failed with empty log");
} else {
if (iloglen == 0) {
iloglen = 4096; //buggy driver (Adreno 220+....)
}
char *ilogmem = (char *)memalloc(iloglen + 1);
ilogmem[iloglen] = 0;
glGetShaderInfoLog(v.vert_id, iloglen, &iloglen, ilogmem);
String err_string = get_shader_name() + ": Vertex Program Compilation Failed:\n";
err_string += ilogmem;
_display_error_with_code(err_string, strings);
memfree(ilogmem);
glDeleteShader(v.vert_id);
glDeleteProgram(v.id);
v.id = 0;
}
ERR_FAIL_V(NULL);
}
//_display_error_with_code("pepo", strings);
/* FRAGMENT SHADER */
strings.resize(strings_base_size);
//fragment precision is medium
strings.push_back("precision highp float;\n");
strings.push_back("precision highp int;\n");
#ifndef GLES_OVER_GL
strings.push_back("precision highp sampler2D;\n");
strings.push_back("precision highp samplerCube;\n");
strings.push_back("precision highp sampler2DArray;\n");
#endif
strings.push_back(fragment_code0.get_data());
if (cc) {
material_string = cc->uniforms.ascii();
strings.push_back(material_string.get_data());
}
strings.push_back(fragment_code1.get_data());
if (cc) {
code_globals = cc->fragment_globals.ascii();
strings.push_back(code_globals.get_data());
}
strings.push_back(fragment_code2.get_data());
if (cc) {
code_string = cc->light.ascii();
strings.push_back(code_string.get_data());
}
strings.push_back(fragment_code3.get_data());
if (cc) {
code_string2 = cc->fragment.ascii();
strings.push_back(code_string2.get_data());
}
strings.push_back(fragment_code4.get_data());
#ifdef DEBUG_SHADER
DEBUG_PRINT("\nFragment Globals:\n\n" + String(code_globals.get_data()));
DEBUG_PRINT("\nFragment Code:\n\n" + String(code_string2.get_data()));
for (int i = 0; i < strings.size(); i++) {
//print_line("frag strings "+itos(i)+":"+String(strings[i]));
}
#endif
v.frag_id = glCreateShader(GL_FRAGMENT_SHADER);
glShaderSource(v.frag_id, strings.size(), &strings[0], NULL);
glCompileShader(v.frag_id);
glGetShaderiv(v.frag_id, GL_COMPILE_STATUS, &status);
if (status == GL_FALSE) {
// error compiling
GLsizei iloglen;
glGetShaderiv(v.frag_id, GL_INFO_LOG_LENGTH, &iloglen);
if (iloglen < 0) {
glDeleteShader(v.frag_id);
glDeleteShader(v.vert_id);
glDeleteProgram(v.id);
v.id = 0;
ERR_PRINT("Fragment shader compilation failed with empty log");
} else {
if (iloglen == 0) {
iloglen = 4096; //buggy driver (Adreno 220+....)
}
char *ilogmem = (char *)memalloc(iloglen + 1);
ilogmem[iloglen] = 0;
glGetShaderInfoLog(v.frag_id, iloglen, &iloglen, ilogmem);
String err_string = get_shader_name() + ": Fragment Program Compilation Failed:\n";
err_string += ilogmem;
_display_error_with_code(err_string, strings);
ERR_PRINT(err_string.ascii().get_data());
memfree(ilogmem);
glDeleteShader(v.frag_id);
glDeleteShader(v.vert_id);
glDeleteProgram(v.id);
v.id = 0;
}
ERR_FAIL_V(NULL);
}
glAttachShader(v.id, v.frag_id);
glAttachShader(v.id, v.vert_id);
// bind attributes before linking
for (int i = 0; i < attribute_pair_count; i++) {
glBindAttribLocation(v.id, attribute_pairs[i].index, attribute_pairs[i].name);
}
//if feedback exists, set it up
if (feedback_count) {
Vector<const char *> feedback;
for (int i = 0; i < feedback_count; i++) {
if (feedbacks[i].conditional == -1 || (1 << feedbacks[i].conditional) & conditional_version.version) {
//conditional for this feedback is enabled
feedback.push_back(feedbacks[i].name);
}
}
if (feedback.size()) {
glTransformFeedbackVaryings(v.id, feedback.size(), feedback.ptr(), GL_INTERLEAVED_ATTRIBS);
}
}
glLinkProgram(v.id);
glGetProgramiv(v.id, GL_LINK_STATUS, &status);
if (status == GL_FALSE) {
// error linking
GLsizei iloglen;
glGetProgramiv(v.id, GL_INFO_LOG_LENGTH, &iloglen);
if (iloglen < 0) {
glDeleteShader(v.frag_id);
glDeleteShader(v.vert_id);
glDeleteProgram(v.id);
v.id = 0;
ERR_FAIL_COND_V(iloglen <= 0, NULL);
}
if (iloglen == 0) {
iloglen = 4096; //buggy driver (Adreno 220+....)
}
char *ilogmem = (char *)Memory::alloc_static(iloglen + 1);
ilogmem[iloglen] = 0;
glGetProgramInfoLog(v.id, iloglen, &iloglen, ilogmem);
String err_string = get_shader_name() + ": Program LINK FAILED:\n";
err_string += ilogmem;
_display_error_with_code(err_string, strings);
ERR_PRINT(err_string.ascii().get_data());
Memory::free_static(ilogmem);
glDeleteShader(v.frag_id);
glDeleteShader(v.vert_id);
glDeleteProgram(v.id);
v.id = 0;
ERR_FAIL_V(NULL);
}
/* UNIFORMS */
glUseProgram(v.id);
//print_line("uniforms: ");
for (int j = 0; j < uniform_count; j++) {
v.uniform_location[j] = glGetUniformLocation(v.id, uniform_names[j]);
//print_line("uniform "+String(uniform_names[j])+" location "+itos(v.uniform_location[j]));
}
// set texture uniforms
for (int i = 0; i < texunit_pair_count; i++) {
GLint loc = glGetUniformLocation(v.id, texunit_pairs[i].name);
if (loc >= 0) {
if (texunit_pairs[i].index < 0) {
glUniform1i(loc, max_image_units + texunit_pairs[i].index); //negative, goes down
} else {
glUniform1i(loc, texunit_pairs[i].index);
}
}
}
// assign uniform block bind points
for (int i = 0; i < ubo_count; i++) {
GLint loc = glGetUniformBlockIndex(v.id, ubo_pairs[i].name);
if (loc >= 0)
glUniformBlockBinding(v.id, loc, ubo_pairs[i].index);
}
if (cc) {
v.texture_uniform_locations.resize(cc->texture_uniforms.size());
for (int i = 0; i < cc->texture_uniforms.size(); i++) {
v.texture_uniform_locations.write[i] = glGetUniformLocation(v.id, String(cc->texture_uniforms[i]).ascii().get_data());
glUniform1i(v.texture_uniform_locations[i], i + base_material_tex_index);
}
}
glUseProgram(0);
v.ok = true;
return &v;
}
