TheCloud/panda3d
1
0
Fork 0
mirror of https://github.com/panda3d/panda3d.git synced 2025-10-17 12:12:10 -04:00
Code Issues Packages Projects Releases Wiki Activity

More builtin uniforms & vertex attribs

Browse Source
This commit is contained in:
rdb 2009-07-02 18:00:41 +00:00
parent 8950ddbf15
commit bb5b817ce8
1 changed files with 81 additions and 40 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

121
panda/src/glstuff/glShaderContext_src.cxx
View File

@ -105,6 +105,7 @@ CLP(ShaderContext)(Shader *s, GSG *gsg) : ShaderContext(s) {
// Analyze the uniforms and put them in _glsl_parameter_map
if (s->_glsl_parameter_map.size() == 0) {
int seqno = 0, texunitno = 0;
string noprefix;
int param_count, param_maxlength, param_size;
GLenum param_type;
gsg->_glGetProgramiv(_glsl_program, GL_ACTIVE_UNIFORMS, &param_count);
@ -119,25 +120,52 @@ CLP(ShaderContext)(Shader *s, GSG *gsg) : ShaderContext(s) {
arg_id._seqno = seqno++;
s->_glsl_parameter_map.push_back(p);
PT(InternalName) inputname = InternalName::make(param_name);
if (inputname->get_name() == "p3d_ModelViewProjectionMatrix") {
Shader::ShaderMatSpec bind;
bind._id = arg_id;
bind._piece = Shader::SMP_whole;
bind._func = Shader::SMF_compose;
bind._part[0] = Shader::SMO_model_to_view;
bind._arg[0] = NULL;
bind._part[1] = Shader::SMO_view_to_apiclip;
bind._arg[1] = NULL;
s->_mat_spec.push_back(bind);
continue;
}
if (inputname->get_name().substr(0, 11) == "p3d_Texture") {
Shader::ShaderTexSpec bind;
bind._id = arg_id;
bind._name = 0;
bind._desired_type = Texture::TT_2d_texture;
bind._stage = atoi(inputname->get_name().substr(12).c_str());
s->_tex_spec.push_back(bind);
if (inputname->get_name().substr(0, 4) == "p3d_" || inputname->get_name().substr(0, 3) == "gl_") {
if (inputname->get_name().substr(0, 3) == "gl_") noprefix = inputname->get_name().substr(3);
else noprefix = inputname->get_name().substr(4);
if (noprefix == "ModelViewProjectionMatrix") {
Shader::ShaderMatSpec bind;
bind._id = arg_id;
bind._piece = Shader::SMP_whole;
bind._func = Shader::SMF_compose;
bind._part[0] = Shader::SMO_model_to_view;
bind._arg[0] = NULL;
bind._part[1] = Shader::SMO_view_to_apiclip;
bind._arg[1] = NULL;
s->_mat_spec.push_back(bind);
continue;
}
if (noprefix == "ModelViewMatrix") {
Shader::ShaderMatSpec bind;
bind._id = arg_id;
bind._piece = Shader::SMP_whole;
bind._func = Shader::SMF_first;
bind._part[0] = Shader::SMO_model_to_view;
bind._arg[0] = NULL;
s->_mat_spec.push_back(bind);
continue;
}
if (noprefix == "ProjectionMatrix") {
Shader::ShaderMatSpec bind;
bind._id = arg_id;
bind._piece = Shader::SMP_whole;
bind._func = Shader::SMF_first;
bind._part[0] = Shader::SMO_view_to_apiclip;
bind._arg[0] = NULL;
s->_mat_spec.push_back(bind);
continue;
}
if (noprefix.substr(0, 7) == "Texture") {
Shader::ShaderTexSpec bind;
bind._id = arg_id;
bind._name = 0;
bind._desired_type = Texture::TT_2d_texture;
bind._stage = atoi(noprefix.substr(7).c_str());
s->_tex_spec.push_back(bind);
continue;
}
GLCAT.error() << "Unrecognized uniform name '" << param_name << "'!\n";
continue;
}
switch (param_type) {
@ -247,28 +275,41 @@ CLP(ShaderContext)(Shader *s, GSG *gsg) : ShaderContext(s) {
param_name = new char[param_maxlength];
for (int i = 0; i < param_count; ++i) {
gsg->_glGetActiveAttrib(_glsl_program, i, param_maxlength, NULL, &param_size, &param_type, param_name);
Shader::ShaderVarSpec bind;
Shader::ShaderArgId arg_id;
arg_id._name = param_name;
arg_id._seqno = -1;
PT(InternalName) inputname = InternalName::make(param_name);
bind._append_uv = -1;
if (inputname->get_name() == "p3d_Vertex") {
bind._name = InternalName::get_vertex();
s->_var_spec.push_back(bind);
gsg->_glBindAttribLocation(_glsl_program, i, param_name);
continue;
}
if (inputname->get_name() == "p3d_Normal") {
bind._name = InternalName::get_normal();
s->_var_spec.push_back(bind);
gsg->_glBindAttribLocation(_glsl_program, i, param_name);
continue;
}
if (inputname->get_name() == "p3d_Color") {
bind._name = InternalName::get_color();
s->_var_spec.push_back(bind);
gsg->_glBindAttribLocation(_glsl_program, i, param_name);
if (inputname->get_name().substr(0, 4) == "p3d_" || inputname->get_name().substr(0, 3) == "gl_") {
if (inputname->get_name().substr(0, 3) == "gl_") noprefix = inputname->get_name().substr(3);
else noprefix = inputname->get_name().substr(4);
Shader::ShaderVarSpec bind;
Shader::ShaderArgId arg_id;
arg_id._name = param_name;
arg_id._seqno = -1;
bind._append_uv = -1;
if (noprefix == "Vertex") {
bind._name = InternalName::get_vertex();
s->_var_spec.push_back(bind);
gsg->_glBindAttribLocation(_glsl_program, i, param_name);
continue;
}
if (noprefix == "Normal") {
bind._name = InternalName::get_normal();
s->_var_spec.push_back(bind);
gsg->_glBindAttribLocation(_glsl_program, i, param_name);
continue;
}
if (noprefix == "Color") {
bind._name = InternalName::get_color();
s->_var_spec.push_back(bind);
gsg->_glBindAttribLocation(_glsl_program, i, param_name);
continue;
}
if (noprefix.substr(0, 13) == "MultiTexCoord") {
bind._name = InternalName::get_texcoord();
bind._append_uv = atoi(inputname->get_name().substr(13).c_str());
s->_var_spec.push_back(bind);
gsg->_glBindAttribLocation(_glsl_program, i, param_name);
continue;
}
GLCAT.error() << "Unrecognized vertex attrib '" << param_name << "'!\n";
continue;
}
}