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Fix bugs with Cg shaders

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This commit is contained in:
rdb 2014-07-18 11:32:31 +00:00
parent dba717fe83
commit a76a011105
1 changed files with 11 additions and 3 deletions
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14
panda/src/glstuff/glCgShaderContext_src.cxx
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@ -449,8 +449,8 @@ update_shader_vertex_arrays(ShaderContext *prev, bool force) {
}
}
if (_glgsg->_data_reader->get_array_info(name,
array_reader, num_values, numeric_type,
start, stride)) {
array_reader, num_values, numeric_type,
start, stride)) {
const unsigned char *client_pointer;
if (!_glgsg->setup_array_data(client_pointer, array_reader, force)) {
return false;
@ -458,15 +458,21 @@ update_shader_vertex_arrays(ShaderContext *prev, bool force) {
CGparameter p = _cg_parameter_map[_shader->_var_spec[i]._id._seqno];
cgGLEnableClientState(p);
if (numeric_type == GeomEnums::NT_packed_dabc) {
cgGLSetParameterPointer(p, GL_BGRA, GL_UNSIGNED_BYTE,
stride, client_pointer + start);
} else {
if (name == InternalName::get_normal() && num_values == 4) {
// In some cases, the normals are aligned to 4 values.
// This would cause an error on some rivers, so we tell it
// to use the first three values only.
num_values = 3;
}
cgGLSetParameterPointer(p,
num_values, _glgsg->get_numeric_type(numeric_type),
stride, client_pointer + start);
}
cgGLEnableClientState(p);
} else {
CGparameter p = _cg_parameter_map[_shader->_var_spec[i]._id._seqno];
cgGLDisableClientState(p);
@ -599,6 +605,8 @@ update_shader_texture_bindings(ShaderContext *prev) {
if (!_glgsg->update_texture(tc, false)) {
continue;
}
_glgsg->apply_texture(tc);
}
cg_report_errors();