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New shader code

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This commit is contained in:
Josh Yelon 2005-09-04 19:52:26 +00:00
parent f7ee3b5729
commit e012688824
17 changed files with 741 additions and 816 deletions
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6
panda/src/glstuff/Sources.pp
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@ -40,9 +40,9 @@
glTextureContext_src.cxx \ glTextureContext_src.cxx \
glTextureContext_src.I \ glTextureContext_src.I \
glTextureContext_src.h \ glTextureContext_src.h \
glCgShaderContext_src.cxx \ glShaderContext_src.cxx \
glCgShaderContext_src.h \ glShaderContext_src.h \
glCgShaderContext_src.I \ glShaderContext_src.I \
#define SOURCES \ #define SOURCES \
$[INSTALL_HEADERS] glpure.cxx $[INSTALL_HEADERS] glpure.cxx

219
panda/src/glstuff/glCgShaderContext_src.I
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@ -1,219 +0,0 @@
// Filename: glCgShaderContext_src.I
// Created by: sshodhan (19Jul04)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
//
// All use of this software is subject to the terms of the Panda 3d
// Software license. You should have received a copy of this license
// along with this source code; you will also find a current copy of
// the license at http://etc.cmu.edu/panda3d/docs/license/ .
//
// To contact the maintainers of this program write to
// panda3d-general@lists.sourceforge.net .
//
////////////////////////////////////////////////////////////////////
#ifdef HAVE_CGGL
////////////////////////////////////////////////////////////////////
// Function: CLP(CgShaderContext)::Constructor
// Access: Published
// Description: Use CLP(CgShaderContext)() to construct a new
// CLP(CgShaderContext object.
////////////////////////////////////////////////////////////////////
INLINE CLP(CgShaderContext)::
CLP(CgShaderContext)(PT(CgShader) cg_shader) :
CgShaderContext(cg_shader) {
init_cg_shader_context();
}
////////////////////////////////////////////////////////////////////
// Function: CLP(CgShaderContext)::set_param 1f
// Access: Published
// Description: Send 1f values to vertex or fragment shaders
// Your shaders must declare these as uniform params
// and can make use of them
////////////////////////////////////////////////////////////////////
INLINE void CLP(CgShaderContext)::
set_param(const string &pname, const float value, bool vert_or_frag) {
if (vert_or_frag) {
cgGLSetParameter1f(_cg_shader->_vertex_1f_params[pname], value);
} else {
cgGLSetParameter1f(_cg_shader->_fragment_1f_params[pname], value);
}
}
////////////////////////////////////////////////////////////////////
// Function: CLP(CgShaderContext)::set_param 1d
// Access: Published
// Description: Send 1d values to vertex or fragment shaders
// Your shaders must declare these as uniform params
// and can make use of them
////////////////////////////////////////////////////////////////////
INLINE void CLP(CgShaderContext)::
set_param(const string &pname, const double value, bool vert_or_frag) {
if (vert_or_frag) {
cgGLSetParameter1f(_cg_shader->_vertex_1d_params[pname], value);
} else {
cgGLSetParameter1f(_cg_shader->_fragment_1d_params[pname], value);
}
}
////////////////////////////////////////////////////////////////////
// Function: CLP(CgShaderContext)::set_param 2f
// Access: Published
// Description: Send 2f values to vertex or fragment shaders
// Your shaders must declare these as uniform params
// and can make use of them
////////////////////////////////////////////////////////////////////
INLINE void CLP(CgShaderContext)::
set_param(const string &pname, const float value1, const float value2,
bool vert_or_frag) {
if (vert_or_frag) {
cgGLSetParameter2f(_cg_shader->_vertex_2f_params[pname], value1, value2);
} else {
cgGLSetParameter2f(_cg_shader->_fragment_2f_params[pname], value1, value2);
}
}
////////////////////////////////////////////////////////////////////
// Function: CLP(CgShaderContext)::set_param 2d
// Access: Published
// Description: Send 2d values to vertex or fragment shaders
// Your shaders must declare these as uniform params
// and can make use of them
////////////////////////////////////////////////////////////////////
INLINE void CLP(CgShaderContext)::
set_param(const string &pname, const double value1, const double value2,
bool vert_or_frag) {
if (vert_or_frag) {
cgGLSetParameter2d(_cg_shader->_vertex_2d_params[pname], value1, value2);
} else {
cgGLSetParameter2d(_cg_shader->_fragment_2d_params[pname], value1, value2);
}
}
////////////////////////////////////////////////////////////////////
// Function: CLP(CgShaderContext)::set_param 3f
// Access: Published
// Description: Send 3f values to vertex or fragment shaders
// Your shaders must declare these as uniform params
// and can make use of them
////////////////////////////////////////////////////////////////////
INLINE void CLP(CgShaderContext)::
set_param(const string &pname, const float value1, const float value2,
const float value3, bool vert_or_frag) {
if (vert_or_frag) {
cgGLSetParameter3f(_cg_shader->_vertex_3f_params[pname], value1, value2, value3);
} else {
cgGLSetParameter3f(_cg_shader->_fragment_3f_params[pname], value1, value2, value3);
}
}
////////////////////////////////////////////////////////////////////
// Function: CLP(CgShaderContext)::set_param 3d
// Access: Published
// Description: Send 3d values to vertex or fragment shaders
// Your shaders must declare these as uniform params
// and can make use of them
////////////////////////////////////////////////////////////////////
INLINE void CLP(CgShaderContext)::
set_param(const string &pname, const double value1, const double value2,
const double value3, bool vert_or_frag) {
if (vert_or_frag) {
cgGLSetParameter3d(_cg_shader->_vertex_3d_params[pname], value1, value2, value3);
} else {
cgGLSetParameter3d(_cg_shader->_fragment_3d_params[pname], value1, value2, value3);
}
}
////////////////////////////////////////////////////////////////////
// Function: CLP(CgShaderContext)::set_param 4f
// Access: Published
// Description: Send 4f values to vertex or fragment shaders
// Your shaders must declare these as uniform params
// and can make use of them
////////////////////////////////////////////////////////////////////
INLINE void CLP(CgShaderContext)::
set_param(const string &pname, const float value1, const float value2,
const float value3, const float value4, bool vert_or_frag) {
if (vert_or_frag) {
cgGLSetParameter4f(_cg_shader->_vertex_4f_params[pname], value1, value2, value3, value4);
} else {
cgGLSetParameter4f(_cg_shader->_fragment_4f_params[pname], value1, value2, value3, value4);
}
}
////////////////////////////////////////////////////////////////////
// Function: CLP(CgShaderContext)::set_param 4d
// Access: Published
// Description: Send 4d values to vertex or fragment shaders
// Your shaders must declare these as uniform params
// and can make use of them
////////////////////////////////////////////////////////////////////
INLINE void CLP(CgShaderContext)::
set_param(const string &pname, const double value1, const double value2,
const double value3, const double value4, bool vert_or_frag) {
if (vert_or_frag) {
cgGLSetParameter4d(_cg_shader->_vertex_4d_params[pname], value1, value2, value3, value4);
} else {
cgGLSetParameter4d(_cg_shader->_fragment_4d_params[pname], value1, value2, value3, value4);
}
}
////////////////////////////////////////////////////////////////////
// Function: CLP(CgShaderContext)::set_param texture
// Access: Published
// Description: Send texture to vertex or fragment shaders
// Your shaders must declare these as uniform params
// and can make use of them
// What we actually send is the OpenGL texture index
// for a texture
////////////////////////////////////////////////////////////////////
INLINE void CLP(CgShaderContext)::
set_param(const string &pname, Texture *t , bool vert_or_frag, GraphicsStateGuardianBase *gsg) {
TextureContext *tc = t->prepare_now(gsg->get_prepared_objects(),gsg);
CLP(TextureContext) *gtc = DCAST(CLP(TextureContext), tc);
if (vert_or_frag) {
cgGLSetTextureParameter(_cg_shader->_vertex_texture_params[pname], gtc->_index);
} else {
cgGLSetTextureParameter(_cg_shader->_fragment_texture_params[pname], gtc->_index);
}
}
////////////////////////////////////////////////////////////////////
// Function: CLP(CgShaderContext)::enable_texture_param
// Access: Published
// Description: Enable a texture that has already been set
////////////////////////////////////////////////////////////////////
INLINE void CLP(CgShaderContext)::
enable_texture_param(const string &pname, bool vert_or_frag) {
if (vert_or_frag) {
cgGLEnableTextureParameter(_cg_shader->_vertex_texture_params[pname]);
} else {
cgGLEnableTextureParameter(_cg_shader->_fragment_texture_params[pname]);
}
}
////////////////////////////////////////////////////////////////////
// Function: CLP(CgShaderContext)::enable_texture_param
// Access: Published
// Description: Disable a texture
////////////////////////////////////////////////////////////////////
INLINE void CLP(CgShaderContext)::
disable_texture_param(const string &pname, bool vert_or_frag) {
if (vert_or_frag) {
cgGLDisableTextureParameter(_cg_shader->_vertex_texture_params[pname]);
} else {
cgGLDisableTextureParameter(_cg_shader->_fragment_texture_params[pname]);
}
}
#endif

425
panda/src/glstuff/glCgShaderContext_src.cxx
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@ -1,425 +0,0 @@
// Filename: glCgShaderContext_src.cxx
// Created by: sshodhan (19Jul04)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
//
// All use of this software is subject to the terms of the Panda 3d
// Software license. You should have received a copy of this license
// along with this source code; you will also find a current copy of
// the license at http://etc.cmu.edu/panda3d/docs/license/ .
//
// To contact the maintainers of this program write to
// panda3d-general@lists.sourceforge.net .
//
////////////////////////////////////////////////////////////////////
#include "pandabase.h"
#ifdef HAVE_CGGL
#include <Cg/cgGL.h>
TypeHandle CLP(CgShaderContext)::_type_handle;
////////////////////////////////////////////////////////////////////
// Function: CgShaderContext::init_cg
// Access: Published
// Description: Create the profiles : just go for the best available
//
////////////////////////////////////////////////////////////////////
bool CLP(CgShaderContext)::
init_cg_shader_context() {
// Get The Latest GL Vertex Profile
_cg_shader->cgVertexProfile = cgGLGetLatestProfile(CG_GL_VERTEX);
// Get The Latest GL Fragment Profile
_cg_shader->cgFragmentProfile = cgGLGetLatestProfile(CG_GL_FRAGMENT);
// Validate Our Profile Determination
if (_cg_shader->cgVertexProfile == CG_PROFILE_UNKNOWN) {
cerr << "VERTEX PROFILE UNKNOWN" << endl;
return false;
}
if (_cg_shader->cgFragmentProfile == CG_PROFILE_UNKNOWN) {
cerr << "FRAGMENT PROFILE UNKNOWN" << endl;
return false;
}
cgGLSetOptimalOptions(_cg_shader->cgVertexProfile);// Set The Current Profile
cgGLSetOptimalOptions(_cg_shader->cgFragmentProfile);// Set The Current Profile
return true;
}
////////////////////////////////////////////////////////////////////
// Function: CgShaderContext::load_shaders
// Access: Published
// Description: Download the programs to the GPU
////////////////////////////////////////////////////////////////////
void CLP(CgShaderContext)::
load_shaders() {
// Load The Programs
cgGLLoadProgram(_cg_shader->cgVertexProgram);
cgGLLoadProgram(_cg_shader->cgFragmentProgram);
}
////////////////////////////////////////////////////////////////////
// Function: CgShaderContext::bind
// Access: Published
// Description: We support Textures, Matrices and Numbers as
// parameters to the shaders. We iterate through
// maps which have <name, CgParameter> tuples
// There are two maps..one for vertex shader params
// and one for fragment shader params.
////////////////////////////////////////////////////////////////////
void CLP(CgShaderContext)::
bind(GraphicsStateGuardianBase *gsg) {
CgShader::CGPARAMETER::const_iterator param_iter; // Use this to go through all params
// Matrix params
// Vertex
for (param_iter = _cg_shader->_vertex_matrix_params.begin();
param_iter != _cg_shader->_vertex_matrix_params.end(); param_iter++) {
set_param(param_iter->first, _cg_shader->_cg_matrices[param_iter->first].matrix,
_cg_shader->_cg_matrices[param_iter->first].transform, 1);
}
// Fragment
for (param_iter = _cg_shader->_fragment_matrix_params.begin();
param_iter != _cg_shader->_fragment_matrix_params.end(); param_iter++) {
set_param(param_iter->first, _cg_shader->_cg_matrices[param_iter->first].matrix,
_cg_shader->_cg_matrices[param_iter->first].transform, 0);
}
// BIND THE FRAGMENT AND SHADER PROGRAMS (after Matrices are loaded)
cgGLEnableProfile(_cg_shader->cgVertexProfile);
cgGLBindProgram(_cg_shader->cgVertexProgram);
cgGLEnableProfile(_cg_shader->cgFragmentProfile);
cgGLBindProgram(_cg_shader->cgFragmentProgram);
// Texture params
// Vertex
for (param_iter = _cg_shader->_vertex_texture_params.begin();
param_iter != _cg_shader->_vertex_texture_params.end(); param_iter++) {
set_param(param_iter->first, _cg_shader->_cg_textures[param_iter->first] , 1, gsg);
enable_texture_param(param_iter->first, 1);
}
//Fragment
for (param_iter = _cg_shader->_fragment_texture_params.begin();
param_iter != _cg_shader->_fragment_texture_params.end(); param_iter++) {
set_param(param_iter->first, _cg_shader->_cg_textures[param_iter->first] , 0, gsg);
enable_texture_param(param_iter->first, 0);
}
// 1F params
// Vertex
for (param_iter = _cg_shader->_vertex_1f_params.begin();
param_iter != _cg_shader->_vertex_1f_params.end(); param_iter++) {
set_param(param_iter->first, _cg_shader->_cg_params1f[param_iter->first] , 1);
}
//Fragment
for (param_iter = _cg_shader->_fragment_1f_params.begin();
param_iter != _cg_shader->_fragment_1f_params.end(); param_iter++) {
set_param(param_iter->first, _cg_shader->_cg_params1f[param_iter->first] , 0);
}
// 2F params
// Vertex
for (param_iter = _cg_shader->_vertex_2f_params.begin();
param_iter != _cg_shader->_vertex_2f_params.end(); param_iter++) {
set_param(param_iter->first, _cg_shader->_cg_params2f[param_iter->first][0],
_cg_shader->_cg_params2f[param_iter->first][1], 1);
}
//Fragment
for (param_iter = _cg_shader->_fragment_2f_params.begin();
param_iter != _cg_shader->_fragment_2f_params.end(); param_iter++) {
set_param(param_iter->first, _cg_shader->_cg_params2f[param_iter->first][0],
_cg_shader->_cg_params2f[param_iter->first][1], 0);
}
// 3F params
// Vertex
for (param_iter = _cg_shader->_vertex_3f_params.begin();
param_iter != _cg_shader->_vertex_3f_params.end(); param_iter++) {
set_param(param_iter->first, _cg_shader->_cg_params3f[param_iter->first][0],
_cg_shader->_cg_params3f[param_iter->first][1],
_cg_shader->_cg_params3f[param_iter->first][2], 1);
}
//Fragment
for (param_iter = _cg_shader->_fragment_3f_params.begin();
param_iter != _cg_shader->_fragment_3f_params.end(); param_iter++) {
set_param(param_iter->first, _cg_shader->_cg_params3f[param_iter->first][0],
_cg_shader->_cg_params3f[param_iter->first][1],
_cg_shader->_cg_params3f[param_iter->first][2], 0);
}
// 4F params
// Vertex
for (param_iter = _cg_shader->_vertex_4f_params.begin();
param_iter != _cg_shader->_vertex_4f_params.end(); param_iter++) {
set_param(param_iter->first, _cg_shader->_cg_params4f[param_iter->first][0],
_cg_shader->_cg_params4f[param_iter->first][1],
_cg_shader->_cg_params4f[param_iter->first][2],
_cg_shader->_cg_params4f[param_iter->first][3], 1);
}
//Fragment
for (param_iter = _cg_shader->_fragment_4f_params.begin();
param_iter != _cg_shader->_fragment_4f_params.end(); param_iter++) {
set_param(param_iter->first, _cg_shader->_cg_params4f[param_iter->first][0],
_cg_shader->_cg_params4f[param_iter->first][1],
_cg_shader->_cg_params4f[param_iter->first][2],
_cg_shader->_cg_params4f[param_iter->first][3],0);
}
// 1D params
// Vertex
for (param_iter = _cg_shader->_vertex_1d_params.begin();
param_iter != _cg_shader->_vertex_1d_params.end(); param_iter++) {
set_param(param_iter->first, _cg_shader->_cg_params1d[param_iter->first] , 1);
}
//Fragment
for (param_iter = _cg_shader->_fragment_1d_params.begin();
param_iter != _cg_shader->_fragment_1d_params.end(); param_iter++) {
set_param(param_iter->first, _cg_shader->_cg_params1d[param_iter->first] , 0);
}
// 2D params
// Vertex
for (param_iter = _cg_shader->_vertex_2d_params.begin();
param_iter != _cg_shader->_vertex_2d_params.end(); param_iter++) {
set_param(param_iter->first, _cg_shader->_cg_params2d[param_iter->first][0],
_cg_shader->_cg_params2d[param_iter->first][1], 1);
}
//Fragment
for (param_iter = _cg_shader->_fragment_2d_params.begin();
param_iter != _cg_shader->_fragment_2d_params.end(); param_iter++) {
set_param(param_iter->first, _cg_shader->_cg_params2d[param_iter->first][0],
_cg_shader->_cg_params2d[param_iter->first][1], 0);
}
// 3D params
// Vertex
for (param_iter = _cg_shader->_vertex_3d_params.begin();
param_iter != _cg_shader->_vertex_3d_params.end(); param_iter++) {
set_param(param_iter->first, _cg_shader->_cg_params3d[param_iter->first][0],
_cg_shader->_cg_params3d[param_iter->first][1],
_cg_shader->_cg_params3d[param_iter->first][2], 1);
}
//Fragment
for (param_iter = _cg_shader->_fragment_3d_params.begin();
param_iter != _cg_shader->_fragment_3d_params.end(); param_iter++) {
set_param(param_iter->first, _cg_shader->_cg_params3d[param_iter->first][0],
_cg_shader->_cg_params3d[param_iter->first][1],
_cg_shader->_cg_params3d[param_iter->first][2], 0);
}
// 4D params
// Vertex
for (param_iter = _cg_shader->_vertex_4d_params.begin();
param_iter != _cg_shader->_vertex_4d_params.end(); param_iter++) {
set_param(param_iter->first, _cg_shader->_cg_params4d[param_iter->first][0],
_cg_shader->_cg_params4d[param_iter->first][1],
_cg_shader->_cg_params4d[param_iter->first][2],
_cg_shader->_cg_params4d[param_iter->first][3], 1);
}
//Fragment
for (param_iter = _cg_shader->_fragment_4d_params.begin();
param_iter != _cg_shader->_fragment_4d_params.end(); param_iter++) {
set_param(param_iter->first, _cg_shader->_cg_params4d[param_iter->first][0],
_cg_shader->_cg_params4d[param_iter->first][1],
_cg_shader->_cg_params4d[param_iter->first][2],
_cg_shader->_cg_params4d[param_iter->first][3],0);
}
}
////////////////////////////////////////////////////////////////////
// Function: CgShaderContext::unbind
// Access: Published
// Description: Disable textures and shaders
////////////////////////////////////////////////////////////////////
void CLP(CgShaderContext)::
un_bind(){
CgShader::CGPARAMETER::const_iterator param_iter;
for (param_iter = _cg_shader->_vertex_texture_params.begin();
param_iter != _cg_shader->_vertex_texture_params.end(); param_iter++) {
disable_texture_param(param_iter->first, 1);
}
for (param_iter = _cg_shader->_fragment_texture_params.begin();
param_iter != _cg_shader->_fragment_texture_params.end(); param_iter++) {
disable_texture_param(param_iter->first, 0);
}
cgGLDisableProfile(_cg_shader->cgVertexProfile);// Disable Our Vertex Profile
cgGLDisableProfile(_cg_shader->cgFragmentProfile);// Disable Our Fragment Profile
}
////////////////////////////////////////////////////////////////////
// Function: CLP(CgShaderContext)::set_param Matrix
// Access: Published
// Description: Select a matrix type and a transform type
// Matrices you can send to your shaders are:
// MTXMODELVIEW,MTXPROJECTION,MTXTEXTURE,MTXMODELVIEWPROJECTION,
// and they can have th transforms:
// TRFIDENTITY,TRFTRANSPOSE,TRFINVERSE,TRFINVERSETRANSPOSE,
////////////////////////////////////////////////////////////////////
void CLP(CgShaderContext)::
set_param(const string &pname, CgShader::Matrix_Type m, CgShader::Transform_Type t,
bool vert_or_frag) {
// MODELVIEW BEGINS
if (m == CgShader::MTXMODELVIEW) {
if (t == CgShader::TRFIDENTITY) {
if (vert_or_frag) {
cgGLSetStateMatrixParameter(_cg_shader->_vertex_matrix_params[pname],
CG_GL_MODELVIEW_MATRIX, CG_GL_MATRIX_IDENTITY);
} else {
cgGLSetStateMatrixParameter(_cg_shader->_fragment_matrix_params[pname],
CG_GL_MODELVIEW_MATRIX, CG_GL_MATRIX_IDENTITY);
}
} else if (t == CgShader::TRFTRANSPOSE) {
if (vert_or_frag) {
cgGLSetStateMatrixParameter(_cg_shader->_vertex_matrix_params[pname],
CG_GL_MODELVIEW_MATRIX, CG_GL_MATRIX_TRANSPOSE);
} else {
cgGLSetStateMatrixParameter(_cg_shader->_fragment_matrix_params[pname],
CG_GL_MODELVIEW_MATRIX, CG_GL_MATRIX_TRANSPOSE);
}
} else if (t == CgShader::TRFINVERSE) {
if (vert_or_frag) {
cgGLSetStateMatrixParameter(_cg_shader->_vertex_matrix_params[pname],
CG_GL_MODELVIEW_MATRIX, CG_GL_MATRIX_INVERSE);
} else {
cgGLSetStateMatrixParameter(_cg_shader->_fragment_matrix_params[pname],
CG_GL_MODELVIEW_MATRIX, CG_GL_MATRIX_INVERSE);
}
} else if (t == CgShader::TRFINVERSETRANSPOSE) {
if (vert_or_frag) {
cgGLSetStateMatrixParameter(_cg_shader->_vertex_matrix_params[pname],
CG_GL_MODELVIEW_MATRIX, CG_GL_MATRIX_INVERSE_TRANSPOSE);
} else {
cgGLSetStateMatrixParameter(_cg_shader->_fragment_matrix_params[pname],
CG_GL_MODELVIEW_MATRIX, CG_GL_MATRIX_INVERSE_TRANSPOSE);
}
}
// MODELVIEW ENDS
// PROJECTION BEGINS
} else if (m == CgShader::MTXPROJECTION) {
if (t == CgShader::TRFIDENTITY) {
if (vert_or_frag) {
cgGLSetStateMatrixParameter(_cg_shader->_vertex_matrix_params[pname],
CG_GL_PROJECTION_MATRIX, CG_GL_MATRIX_IDENTITY);
} else {
cgGLSetStateMatrixParameter(_cg_shader->_fragment_matrix_params[pname],
CG_GL_PROJECTION_MATRIX, CG_GL_MATRIX_IDENTITY);
}
} else if (t == CgShader::TRFTRANSPOSE) {
if (vert_or_frag) {
cgGLSetStateMatrixParameter(_cg_shader->_vertex_matrix_params[pname],
CG_GL_PROJECTION_MATRIX, CG_GL_MATRIX_TRANSPOSE);
} else {
cgGLSetStateMatrixParameter(_cg_shader->_fragment_matrix_params[pname],
CG_GL_PROJECTION_MATRIX, CG_GL_MATRIX_TRANSPOSE);
}
} else if (t == CgShader::TRFINVERSE) {
if (vert_or_frag) {
cgGLSetStateMatrixParameter(_cg_shader->_vertex_matrix_params[pname],
CG_GL_PROJECTION_MATRIX, CG_GL_MATRIX_INVERSE);
} else {
cgGLSetStateMatrixParameter(_cg_shader->_fragment_matrix_params[pname],
CG_GL_PROJECTION_MATRIX, CG_GL_MATRIX_INVERSE);
}
} else if (t == CgShader::TRFINVERSETRANSPOSE) {
if (vert_or_frag) {
cgGLSetStateMatrixParameter(_cg_shader->_vertex_matrix_params[pname],
CG_GL_PROJECTION_MATRIX, CG_GL_MATRIX_INVERSE_TRANSPOSE);
} else {
cgGLSetStateMatrixParameter(_cg_shader->_fragment_matrix_params[pname],
CG_GL_PROJECTION_MATRIX, CG_GL_MATRIX_INVERSE_TRANSPOSE);
}
}
// PROJECTION ENDS
// TEXTURE BEGINS
} else if (m == CgShader::MTXTEXTURE) {
if (t == CgShader::TRFIDENTITY) {
if (vert_or_frag) {
cgGLSetStateMatrixParameter(_cg_shader->_vertex_matrix_params[pname],
CG_GL_TEXTURE_MATRIX, CG_GL_MATRIX_IDENTITY);
} else {
cgGLSetStateMatrixParameter(_cg_shader->_fragment_matrix_params[pname],
CG_GL_TEXTURE_MATRIX, CG_GL_MATRIX_IDENTITY);
}
} else if (t == CgShader::TRFTRANSPOSE) {
if (vert_or_frag) {
cgGLSetStateMatrixParameter(_cg_shader->_vertex_matrix_params[pname],
CG_GL_TEXTURE_MATRIX, CG_GL_MATRIX_TRANSPOSE);
} else {
cgGLSetStateMatrixParameter(_cg_shader->_fragment_matrix_params[pname],
CG_GL_TEXTURE_MATRIX, CG_GL_MATRIX_TRANSPOSE);
}
} else if (t == CgShader::TRFINVERSE) {
if (vert_or_frag) {
cgGLSetStateMatrixParameter(_cg_shader->_vertex_matrix_params[pname],
CG_GL_TEXTURE_MATRIX, CG_GL_MATRIX_INVERSE);
} else {
cgGLSetStateMatrixParameter(_cg_shader->_fragment_matrix_params[pname],
CG_GL_TEXTURE_MATRIX, CG_GL_MATRIX_INVERSE);
}
} else if (t == CgShader::TRFINVERSETRANSPOSE) {
if (vert_or_frag) {
cgGLSetStateMatrixParameter(_cg_shader->_vertex_matrix_params[pname],
CG_GL_TEXTURE_MATRIX, CG_GL_MATRIX_INVERSE_TRANSPOSE);
} else {
cgGLSetStateMatrixParameter(_cg_shader->_fragment_matrix_params[pname],
CG_GL_TEXTURE_MATRIX, CG_GL_MATRIX_INVERSE_TRANSPOSE);
}
}
// TEXTURE ENDS
// MODELVIEWPROJECTION BEGINS
} else if (m == CgShader::MTXMODELVIEWPROJECTION) {
if (t == CgShader::TRFIDENTITY) {
if (vert_or_frag) {
cgGLSetStateMatrixParameter(_cg_shader->_vertex_matrix_params[pname],
CG_GL_MODELVIEW_PROJECTION_MATRIX, CG_GL_MATRIX_IDENTITY);
} else {
cgGLSetStateMatrixParameter(_cg_shader->_fragment_matrix_params[pname],
CG_GL_MODELVIEW_PROJECTION_MATRIX, CG_GL_MATRIX_IDENTITY);
}
} else if (t == CgShader::TRFTRANSPOSE) {
if (vert_or_frag) {
cgGLSetStateMatrixParameter(_cg_shader->_vertex_matrix_params[pname],
CG_GL_MODELVIEW_PROJECTION_MATRIX, CG_GL_MATRIX_TRANSPOSE);
} else {
cgGLSetStateMatrixParameter(_cg_shader->_fragment_matrix_params[pname],
CG_GL_MODELVIEW_PROJECTION_MATRIX, CG_GL_MATRIX_TRANSPOSE);
}
} else if (t == CgShader::TRFINVERSE) {
if (vert_or_frag) {
cgGLSetStateMatrixParameter(_cg_shader->_vertex_matrix_params[pname],
CG_GL_MODELVIEW_PROJECTION_MATRIX, CG_GL_MATRIX_INVERSE);
} else {
cgGLSetStateMatrixParameter(_cg_shader->_fragment_matrix_params[pname],
CG_GL_MODELVIEW_PROJECTION_MATRIX, CG_GL_MATRIX_INVERSE);
}
} else if (t == CgShader::TRFINVERSETRANSPOSE) {
if (vert_or_frag) {
cgGLSetStateMatrixParameter(_cg_shader->_vertex_matrix_params[pname],
CG_GL_MODELVIEW_PROJECTION_MATRIX, CG_GL_MATRIX_INVERSE_TRANSPOSE);
} else {
cgGLSetStateMatrixParameter(_cg_shader->_fragment_matrix_params[pname],
CG_GL_MODELVIEW_PROJECTION_MATRIX, CG_GL_MATRIX_INVERSE_TRANSPOSE);
}
}
}
// MODELVIEWPROJECTION ENDS
}
#endif

109
panda/src/glstuff/glCgShaderContext_src.h
View File

@ -1,109 +0,0 @@
// Filename: glCgShaderContext_src.h
// Created by: sshodhan (19Jul04)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
//
// All use of this software is subject to the terms of the Panda 3d
// Software license. You should have received a copy of this license
// along with this source code; you will also find a current copy of
// the license at http://etc.cmu.edu/panda3d/docs/license/ .
//
// To contact the maintainers of this program write to
// panda3d-general@lists.sourceforge.net .
//
////////////////////////////////////////////////////////////////////
#include "pandabase.h"
#ifdef HAVE_CGGL
#include "cgShader.h"
#include "cgShaderContext.h"
#include "luse.h"
#include "pmap.h"
#include "texture.h"
#include "dcast.h"
#include <Cg/cgGL.h>
////////////////////////////////////////////////////////////////////
// Class : GLCgShaderContext
// Description : The GL version of CgShaderContext.
// This class binds and unbinds shaders, does the
// actual API specific parameter passing based on
// the CgShader object pointed to in CgShaderContext
////////////////////////////////////////////////////////////////////
class EXPCL_GL CLP(CgShaderContext) : public CgShaderContext {
public:
CLP(CgShaderContext)(PT(CgShader) cg_shader);
INLINE void set_param(const string &pname, const float value,
bool vert_or_frag);
INLINE void set_param(const string &pname, const double value,
bool vert_or_frag);
INLINE void set_param(const string &pname, const float value1,
const float value2, bool vert_or_frag);
INLINE void set_param(const string &pname, const double value1,
const double value2, bool vert_or_frag);
INLINE void set_param(const string &pname, const float value1,
const float value2, const float value3, bool vert_or_frag);
INLINE void set_param(const string &pname, const double value1,
const double value2, const double value3, bool vert_or_frag);
INLINE void set_param(const string &pname, const float value1,
const float value2, const float value3, const float value4,
bool vert_or_frag);
INLINE void set_param(const string &pname, const double value1,
const double value2, const double value3, const double value4,
bool vert_or_frag);
INLINE void set_param(const string &pname, Texture *t, bool vert_or_frag, GraphicsStateGuardianBase *gsg);
void set_param(const string &pname, CgShader::Matrix_Type m,
CgShader::Transform_Type t, bool vert_or_frag);
INLINE void enable_texture_param(const string &pname, bool vert_or_frag);
INLINE void disable_texture_param(const string &pname, bool vert_or_frag);
void load_shaders();
public:
INLINE void bind(GraphicsStateGuardianBase *gsg);
INLINE void un_bind();
bool init_cg_shader_context();
public:
static TypeHandle get_class_type() {
return _type_handle;
}
static void init_type() {
CgShaderContext::init_type();
register_type(_type_handle, CLASSPREFIX_QUOTED "CgShaderContext",
CgShaderContext::get_class_type());
}
virtual TypeHandle get_type() const {
return get_class_type();
}
virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
private:
static TypeHandle _type_handle;
};
#include "glCgShaderContext_src.I"
#endif

89
panda/src/glstuff/glGraphicsStateGuardian_src.cxx
View File

@ -51,6 +51,7 @@
#include "fogAttrib.h" #include "fogAttrib.h"
#include "depthOffsetAttrib.h" #include "depthOffsetAttrib.h"
#include "shadeModelAttrib.h" #include "shadeModelAttrib.h"
#include "shaderAttrib.h"
#include "fog.h" #include "fog.h"
#include "clockObject.h" #include "clockObject.h"
#include "string_utils.h" #include "string_utils.h"
@ -64,9 +65,8 @@
#include "mutexHolder.h" #include "mutexHolder.h"
#include "indirectLess.h" #include "indirectLess.h"
#include "pStatTimer.h" #include "pStatTimer.h"
#ifdef HAVE_CGGL #include "shader.h"
#include "cgShaderAttrib.h" #include "shaderMode.h"
#endif
#include <algorithm> #include <algorithm>
@ -279,9 +279,8 @@ CLP(GraphicsStateGuardian)(const FrameBufferProperties &properties) :
GraphicsStateGuardian(properties, CS_yup_right) GraphicsStateGuardian(properties, CS_yup_right)
{ {
_error_count = 0; _error_count = 0;
#ifdef HAVE_CGGL _shader_mode = (ShaderMode *)NULL;
_cg_shader = (CgShader *)NULL; _shader_context = (CLP(ShaderContext) *)NULL;
#endif
} }
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
@ -774,9 +773,8 @@ reset() {
_texgen_forced_normal = false; _texgen_forced_normal = false;
#ifdef HAVE_CGGL _shader_mode = (ShaderMode *)NULL;
_cg_shader = (CgShader *)NULL; _shader_context = (CLP(ShaderContext) *)NULL;
#endif
// Count the max number of lights // Count the max number of lights
GLint max_lights; GLint max_lights;
@ -1927,6 +1925,27 @@ release_geom(GeomContext *gc) {
delete ggc; delete ggc;
} }
////////////////////////////////////////////////////////////////////
// Function: GLGraphicsStateGuardian::prepare_shader
// Access: Public, Virtual
// Description: yadda.
////////////////////////////////////////////////////////////////////
ShaderContext *CLP(GraphicsStateGuardian)::
prepare_shader(Shader *shader) {
return new CLP(ShaderContext)(shader);
}
////////////////////////////////////////////////////////////////////
// Function: GLGraphicsStateGuardian::release_shader
// Access: Public, Virtual
// Description: yadda.
////////////////////////////////////////////////////////////////////
void CLP(GraphicsStateGuardian)::
release_shader(ShaderContext *sc) {
CLP(ShaderContext) *gsc = DCAST(CLP(ShaderContext), sc);
delete gsc;
}
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
// Function: GLGraphicsStateGuardian::record_deleted_display_list // Function: GLGraphicsStateGuardian::record_deleted_display_list
// Access: Public // Access: Public
@ -2561,49 +2580,33 @@ issue_shade_model(const ShadeModelAttrib *attrib) {
} }
} }
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
// Function: GLGraphicsStateGuardian::issue_cg_shader_bind // Function: GLGraphicsStateGuardian::issue_shader
// Access: Public, Virtual // Access: Public, Virtual
// Description: Bind shader of current node // Description: Bind a shader.
// and unbind the shader of the previous node
// Create a new GLCgShaderContext if this shader
// object is coming in for the first time
// Also maintain the map of CgShader objects to
// respective GLCgShaderContexts
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
#ifdef HAVE_CGGL
void CLP(GraphicsStateGuardian):: void CLP(GraphicsStateGuardian)::
issue_cg_shader_bind(const CgShaderAttrib *attrib) { issue_shader(const ShaderAttrib *attrib) {
ShaderMode *mode = attrib->get_shader_mode();
Shader *shader = mode->get_shader();
CLP(ShaderContext) *context = (CLP(ShaderContext) *)(shader->prepare_now(get_prepared_objects(), this));
if (attrib->is_off()) { //Current node has no shaders if (context != _shader_context) {
if (_cg_shader != (CgShader *) NULL) { // Use a completely different shader than before.
_gl_cg_shader_contexts[_cg_shader]->un_bind();// Prev node had shaders // Unbind old shader, bind the new one.
if (_shader_context != 0) {
_shader_context->unbind();
_shader_context = 0;
} }
_cg_shader = attrib->get_cg_shader();//Store current node.. here NULL if (context != 0) {
} else {// Current node has shaders context->bind(mode);
if (_cg_shader != (CgShader *) NULL) { _shader_context = context;
_gl_cg_shader_contexts[_cg_shader]->un_bind();// Prev node had shaders
}
_cg_shader = attrib->get_cg_shader();//Store current node
CGSHADERCONTEXTS::const_iterator csci;
csci = _gl_cg_shader_contexts.find(_cg_shader);
if (csci != _gl_cg_shader_contexts.end()) { // Already have context?
(*csci).second->bind(this); // Bind the current shader
} else {// First time CgShader object...need to make a new GLCgShaderContext
PT(CLP(CgShaderContext)) csc = new CLP(CgShaderContext)(_cg_shader);
_cg_shader->load_shaders(); // Profiles created lets load from HD
csc->load_shaders(); // Programs loaded, compile and download to GPU
CGSHADERCONTEXTS::value_type shader_and_context(_cg_shader, csc);
_gl_cg_shader_contexts.insert(shader_and_context);
csc->bind(this);// Bind the new shader
} }
} else {
// Use the same shader as before, but with new input arguments.
context->rebind(_shader_mode, mode);
} }
report_my_gl_errors();
} }
#endif
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
// Function: GLGraphicsStateGuardian::issue_render_mode // Function: GLGraphicsStateGuardian::issue_render_mode

23
panda/src/glstuff/glGraphicsStateGuardian_src.h
View File

@ -27,6 +27,7 @@
#include "textureAttrib.h" #include "textureAttrib.h"
#include "texMatrixAttrib.h" #include "texMatrixAttrib.h"
#include "texGenAttrib.h" #include "texGenAttrib.h"
#include "shaderAttrib.h"
#include "textureStage.h" #include "textureStage.h"
#include "antialiasAttrib.h" #include "antialiasAttrib.h"
#include "renderModeAttrib.h" #include "renderModeAttrib.h"
@ -37,9 +38,8 @@
#include "pmap.h" #include "pmap.h"
#include "geomVertexArrayData.h" #include "geomVertexArrayData.h"
#include "pmutex.h" #include "pmutex.h"
#ifdef HAVE_CGGL #include "shader.h"
#include "cgShader.h" #include "shaderMode.h"
#endif
class PlaneNode; class PlaneNode;
class Light; class Light;
@ -102,6 +102,10 @@ public:
virtual GeomContext *prepare_geom(Geom *geom); virtual GeomContext *prepare_geom(Geom *geom);
virtual void release_geom(GeomContext *gc); virtual void release_geom(GeomContext *gc);
virtual ShaderContext *prepare_shader(Shader *shader);
virtual void release_shader(ShaderContext *sc);
void record_deleted_display_list(GLuint index); void record_deleted_display_list(GLuint index);
virtual VertexBufferContext *prepare_vertex_buffer(GeomVertexArrayData *data); virtual VertexBufferContext *prepare_vertex_buffer(GeomVertexArrayData *data);
@ -135,9 +139,7 @@ public:
virtual void issue_fog(const FogAttrib *attrib); virtual void issue_fog(const FogAttrib *attrib);
virtual void issue_depth_offset(const DepthOffsetAttrib *attrib); virtual void issue_depth_offset(const DepthOffsetAttrib *attrib);
virtual void issue_shade_model(const ShadeModelAttrib *attrib); virtual void issue_shade_model(const ShadeModelAttrib *attrib);
#ifdef HAVE_CGGL virtual void issue_shader(const ShaderAttrib *attrib);
virtual void issue_cg_shader_bind(const CgShaderAttrib *attrib);
#endif
virtual void do_issue_material(); virtual void do_issue_material();
@ -294,6 +296,8 @@ protected:
bool _polygon_offset_enabled; bool _polygon_offset_enabled;
bool _flat_shade_model; bool _flat_shade_model;
int _decal_level; int _decal_level;
PT(ShaderMode) _shader_mode;
CLP(ShaderContext) *_shader_context;
bool _dithering_enabled; bool _dithering_enabled;
bool _texgen_forced_normal; bool _texgen_forced_normal;
@ -305,7 +309,6 @@ protected:
RenderModeAttrib::Mode _render_mode; RenderModeAttrib::Mode _render_mode;
float _point_size; float _point_size;
bool _point_perspective; bool _point_perspective;
bool _vertex_blending_enabled; bool _vertex_blending_enabled;
CPT(DisplayRegion) _actual_display_region; CPT(DisplayRegion) _actual_display_region;
@ -315,12 +318,6 @@ protected:
bool _use_sender; bool _use_sender;
#endif // SUPPORT_IMMEDIATE_MODE #endif // SUPPORT_IMMEDIATE_MODE
#ifdef HAVE_CGGL
PT(CgShader) _cg_shader; // The current CgShader object
typedef pmap< PT(CgShader), PT(CLP(CgShaderContext)) > CGSHADERCONTEXTS;
CGSHADERCONTEXTS _gl_cg_shader_contexts;// Associate CgShader with GLCgShaderContext
#endif
int _pass_number; int _pass_number;
bool _auto_rescale_normal; bool _auto_rescale_normal;
GLuint _geom_display_list; GLuint _geom_display_list;

2
panda/src/glstuff/glstuff_src.cxx
View File

@ -27,7 +27,7 @@
#include "glIndexBufferContext_src.cxx" #include "glIndexBufferContext_src.cxx"
#include "glGeomContext_src.cxx" #include "glGeomContext_src.cxx"
#include "glGeomMunger_src.cxx" #include "glGeomMunger_src.cxx"
#include "glCgShaderContext_src.cxx" #include "glShaderContext_src.cxx"
#include "glImmediateModeSender_src.cxx" #include "glImmediateModeSender_src.cxx"
#include "glGraphicsStateGuardian_src.cxx" #include "glGraphicsStateGuardian_src.cxx"

2
panda/src/glstuff/glstuff_src.h
View File

@ -45,7 +45,7 @@
#include "glIndexBufferContext_src.h" #include "glIndexBufferContext_src.h"
#include "glGeomContext_src.h" #include "glGeomContext_src.h"
#include "glGeomMunger_src.h" #include "glGeomMunger_src.h"
#include "glCgShaderContext_src.h" #include "glShaderContext_src.h"
#include "glImmediateModeSender_src.h" #include "glImmediateModeSender_src.h"
#include "glGraphicsStateGuardian_src.h" #include "glGraphicsStateGuardian_src.h"

6
panda/src/pgraph/Sources.pp
View File

@ -90,6 +90,8 @@
selectiveChildNode.I selectiveChildNode.h \ selectiveChildNode.I selectiveChildNode.h \
sequenceNode.I sequenceNode.h \ sequenceNode.I sequenceNode.h \
shadeModelAttrib.I shadeModelAttrib.h \ shadeModelAttrib.I shadeModelAttrib.h \
shaderMode.I shaderMode.h \
shaderAttrib.I shaderAttrib.h \
showBoundsEffect.I showBoundsEffect.h \ showBoundsEffect.I showBoundsEffect.h \
spotlight.I spotlight.h \ spotlight.I spotlight.h \
stateMunger.I stateMunger.h \ stateMunger.I stateMunger.h \
@ -189,6 +191,8 @@
selectiveChildNode.cxx \ selectiveChildNode.cxx \
sequenceNode.cxx \ sequenceNode.cxx \
shadeModelAttrib.cxx \ shadeModelAttrib.cxx \
shaderMode.cxx \
shaderAttrib.cxx \
showBoundsEffect.cxx \ showBoundsEffect.cxx \
spotlight.cxx \ spotlight.cxx \
stateMunger.cxx \ stateMunger.cxx \
@ -284,6 +288,8 @@
selectiveChildNode.I selectiveChildNode.h \ selectiveChildNode.I selectiveChildNode.h \
sequenceNode.I sequenceNode.h \ sequenceNode.I sequenceNode.h \
shadeModelAttrib.I shadeModelAttrib.h \ shadeModelAttrib.I shadeModelAttrib.h \
shaderMode.I shaderMode.h \
shaderAttrib.I shaderAttrib.h \
showBoundsEffect.I showBoundsEffect.h \ showBoundsEffect.I showBoundsEffect.h \
spotlight.I spotlight.h \ spotlight.I spotlight.h \
stateMunger.I stateMunger.h \ stateMunger.I stateMunger.h \

6
panda/src/pgraph/config_pgraph.cxx
View File

@ -80,6 +80,8 @@
#include "selectiveChildNode.h" #include "selectiveChildNode.h"
#include "sequenceNode.h" #include "sequenceNode.h"
#include "shadeModelAttrib.h" #include "shadeModelAttrib.h"
#include "shaderMode.h"
#include "shaderAttrib.h"
#include "showBoundsEffect.h" #include "showBoundsEffect.h"
#include "spotlight.h" #include "spotlight.h"
#include "stateMunger.h" #include "stateMunger.h"
@ -318,6 +320,8 @@ init_libpgraph() {
SelectiveChildNode::init_type(); SelectiveChildNode::init_type();
SequenceNode::init_type(); SequenceNode::init_type();
ShadeModelAttrib::init_type(); ShadeModelAttrib::init_type();
ShaderMode::init_type();
ShaderAttrib::init_type();
ShowBoundsEffect::init_type(); ShowBoundsEffect::init_type();
Spotlight::init_type(); Spotlight::init_type();
StateMunger::init_type(); StateMunger::init_type();
@ -374,6 +378,8 @@ init_libpgraph() {
RenderState::register_with_read_factory(); RenderState::register_with_read_factory();
SequenceNode::register_with_read_factory(); SequenceNode::register_with_read_factory();
ShadeModelAttrib::register_with_read_factory(); ShadeModelAttrib::register_with_read_factory();
ShaderMode::register_with_read_factory();
ShaderAttrib::register_with_read_factory();
ShowBoundsEffect::register_with_read_factory(); ShowBoundsEffect::register_with_read_factory();
Spotlight::register_with_read_factory(); Spotlight::register_with_read_factory();
SwitchNode::register_with_read_factory(); SwitchNode::register_with_read_factory();

2
panda/src/pgraph/pgraph_composite4.cxx
View File

@ -9,6 +9,8 @@
#include "selectiveChildNode.cxx" #include "selectiveChildNode.cxx"
#include "sequenceNode.cxx" #include "sequenceNode.cxx"
#include "shadeModelAttrib.cxx" #include "shadeModelAttrib.cxx"
#include "shaderMode.cxx"
#include "shaderAttrib.cxx"
#include "showBoundsEffect.cxx" #include "showBoundsEffect.cxx"
#include "spotlight.cxx" #include "spotlight.cxx"
#include "stateMunger.cxx" #include "stateMunger.cxx"

53
panda/src/pgraph/shaderAttrib.I Executable file
View File

@ -0,0 +1,53 @@
// Filename: shaderAttrib.I
// Created by: sshodhan (10Jul04)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
//
// All use of this software is subject to the terms of the Panda 3d
// Software license. You should have received a copy of this license
// along with this source code; you will also find a current copy of
// the license at http://etc.cmu.edu/panda3d/docs/license/ .
//
// To contact the maintainers of this program write to
// panda3d-general@lists.sourceforge.net .
//
////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////
// Function: ShaderAttrib::Constructor
// Access: Private
// Description: Use ShaderAttrib::make() to construct a new
// ShaderAttrib object.
////////////////////////////////////////////////////////////////////
INLINE ShaderAttrib::
ShaderAttrib() {
}
////////////////////////////////////////////////////////////////////
// Function: ShaderAttrib::is_off
// Access: Published
// Description: Returns true if the ShaderAttrib is an 'off'
// ShaderAttrib, indicating that it should disable
// the previous shader profiles
////////////////////////////////////////////////////////////////////
INLINE bool ShaderAttrib::
is_off() const {
return _shader_mode == (ShaderMode *)NULL;
}
////////////////////////////////////////////////////////////////////
// Function: ShaderAttrib::get_shader_mode
// Access: Published
// Description: If the ShaderAttrib is not an 'off' ShaderAttrib,
// returns the ShaderMode that is associated. Otherwise,
// return NULL.
////////////////////////////////////////////////////////////////////
INLINE ShaderMode *ShaderAttrib::
get_shader_mode() const {
return _shader_mode;
}

124
panda/src/pgraph/shaderAttrib.cxx Executable file
View File

@ -0,0 +1,124 @@
// Filename: shaderAttrib.cxx
// Created by: sshodhan (10Jul04)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
//
// All use of this software is subject to the terms of the Panda 3d
// Software license. You should have received a copy of this license
// along with this source code; you will also find a current copy of
// the license at http://etc.cmu.edu/panda3d/docs/license/ .
//
// To contact the maintainers of this program write to
// panda3d-general@lists.sourceforge.net .
//
////////////////////////////////////////////////////////////////////
#include "pandabase.h"
#include "shaderAttrib.h"
#include "config_effects.h"
#include "graphicsStateGuardianBase.h"
#include "bamReader.h"
#include "bamWriter.h"
#include "datagram.h"
#include "datagramIterator.h"
TypeHandle ShaderAttrib::_type_handle;
////////////////////////////////////////////////////////////////////
// Function: ShaderAttrib::make
// Access: Published, Static
// Description: Constructs a new ShaderAttrib object suitable for
// process the indicated geometry with shaders
////////////////////////////////////////////////////////////////////
CPT(RenderAttrib) ShaderAttrib::
make(ShaderMode *shader_mode) {
ShaderAttrib *attrib = new ShaderAttrib;
attrib->_shader_mode = shader_mode;
return return_new(attrib);
}
////////////////////////////////////////////////////////////////////
// Function: ShaderAttrib::make_off
// Access: Published, Static
// Description: Constructs a new ShaderAttrib object suitable for
// rendering geometry with no shader interference
////////////////////////////////////////////////////////////////////
CPT(RenderAttrib) ShaderAttrib::
make_off() {
ShaderAttrib *attrib = new ShaderAttrib;
return return_new(attrib);
}
////////////////////////////////////////////////////////////////////
// Function: ShaderAttrib::issue
// Access: Public, Virtual
// Description: Calls the appropriate method on the indicated GSG
// to issue the graphics commands appropriate to the
// given attribute. This is normally called
// (indirectly) only from
// GraphicsStateGuardian::set_state() or modify_state().
////////////////////////////////////////////////////////////////////
void ShaderAttrib::
issue(GraphicsStateGuardianBase *gsg) const {
gsg->issue_shader(this);
}
////////////////////////////////////////////////////////////////////
// Function: ShaderAttrib::make_default_impl
// Access: Protected, Virtual
// Description: Intended to be overridden by derived ShaderAttrib
// types to specify what the default property for a
// TexGenAttrib of this type should be.
//
// This should return a newly-allocated ShaderAttrib of
// the same type that corresponds to whatever the
// standard default for this kind of ShaderAttrib is.
////////////////////////////////////////////////////////////////////
RenderAttrib *ShaderAttrib::
make_default_impl() const {
return new ShaderAttrib;
}
////////////////////////////////////////////////////////////////////
// Function: ShaderAttrib::compare_to_impl
// Access: Protected, Virtual
// Description: Intended to be overridden by derived ShaderAttrib
// types to return a unique number indicating whether
// this ShaderAttrib is equivalent to the other one.
//
// This should return 0 if the two ShaderAttrib objects
// are equivalent, a number less than zero if this one
// should be sorted before the other one, and a number
// greater than zero otherwise.
//
// This will only be called with two ShaderAttrib
// objects whose get_type() functions return the same.
////////////////////////////////////////////////////////////////////
int ShaderAttrib::
compare_to_impl(const RenderAttrib *other) const {
const ShaderAttrib *cgsa;
DCAST_INTO_R(cgsa, other, 0);
// Comparing pointers by subtraction is problematic. Instead of
// doing this, we'll just depend on the built-in != and < operators
// for comparing pointers.
if (_shader_mode != cgsa->_shader_mode) {
return _shader_mode < cgsa->_shader_mode ? -1 : 1;
}
return 0;
}
////////////////////////////////////////////////////////////////////
// Function: ShaderAttrib::register_with_read_factory
// Access: Public, Static
// Description: Factory method to generate a Shader object
////////////////////////////////////////////////////////////////////
void ShaderAttrib::
register_with_read_factory() {
// IMPLEMENT ME
}

86
panda/src/pgraph/shaderAttrib.h Executable file
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// Filename: shaderAttrib.h
// Created by: sshodhan (10Jul04)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
//
// All use of this software is subject to the terms of the Panda 3d
// Software license. You should have received a copy of this license
// along with this source code; you will also find a current copy of
// the license at http://etc.cmu.edu/panda3d/docs/license/ .
//
// To contact the maintainers of this program write to
// panda3d-general@lists.sourceforge.net .
//
////////////////////////////////////////////////////////////////////
#ifndef SHADERATTRIB_H
#define SHADERATTRIB_H
#include "pandabase.h"
#include "luse.h"
#include "pmap.h"
#include "shader.h"
#include "renderAttrib.h"
#include "typedObject.h"
#include "typedReferenceCount.h"
#include "pointerTo.h"
#include "factoryParam.h"
#include "dcast.h"
#include "shaderMode.h"
////////////////////////////////////////////////////////////////////
// Class : ShaderAttrib
// Description : fill me in
////////////////////////////////////////////////////////////////////
class EXPCL_PANDA ShaderAttrib: public RenderAttrib {
private:
INLINE ShaderAttrib();
PUBLISHED:
static CPT(RenderAttrib) make(ShaderMode *sm);
static CPT(RenderAttrib) make_off();
INLINE bool is_off() const;
INLINE ShaderMode *get_shader_mode() const;
static void register_with_read_factory();
virtual void issue(GraphicsStateGuardianBase *gsg) const;
protected:
virtual RenderAttrib *make_default_impl() const;
virtual int compare_to_impl(const RenderAttrib *other) const;
private:
PT(ShaderMode) _shader_mode;
public:
static TypeHandle get_class_type() {
return _type_handle;
}
static void init_type() {
RenderAttrib::init_type();
register_type(_type_handle, "ShaderAttrib",
RenderAttrib::get_class_type());
}
virtual TypeHandle get_type() const {
return get_class_type();
}
virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
private:
static TypeHandle _type_handle;
};
#include "shaderAttrib.I"
#endif // SHADERATTRIB_H

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panda/src/pgraph/shaderMode.I Executable file
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// Filename: shaderMode.I
// Heavily Modified: jyelon (01Sep05)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
//
// All use of this software is subject to the terms of the Panda 3d
// Software license. You should have received a copy of this license
// along with this source code; you will also find a current copy of
// the license at http://etc.cmu.edu/panda3d/docs/license/ .
//
// To contact the maintainers of this program write to
// panda3d-general@lists.sourceforge.net .
//
////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////
// Function: ShaderModeArg::Constructor
// Access: Public
// Description: initialize a shader arg storage structure.
////////////////////////////////////////////////////////////////////
INLINE ShaderModeArg::
ShaderModeArg(void) {
_type = SAT_INVALID;
}
////////////////////////////////////////////////////////////////////
// Function: ShaderModeArg::Destructor
// Access: Public
// Description: delete a shader arg storage structure.
////////////////////////////////////////////////////////////////////
INLINE ShaderModeArg::
~ShaderModeArg(void) {
}
////////////////////////////////////////////////////////////////////
// Function: ShaderMode::get_shader
// Access: Public
// Description: Return the Shader associated with this shader mode.
////////////////////////////////////////////////////////////////////
INLINE Shader *ShaderMode::
get_shader(void) {
return _shader;
}

237
panda/src/pgraph/shaderMode.cxx Executable file
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// Filename: shaderMode.cxx
// Created by: jyelon (01Sep05)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
//
// All use of this software is subject to the terms of the Panda 3d
// Software license. You should have received a copy of this license
// along with this source code; you will also find a current copy of
// the license at http://etc.cmu.edu/panda3d/docs/license/ .
//
// To contact the maintainers of this program write to
// panda3d-general@lists.sourceforge.net .
//
////////////////////////////////////////////////////////////////////
#include "pandabase.h"
#include "shader.h"
#include "shaderMode.h"
#include "virtualFileSystem.h"
TypeHandle ShaderMode::_type_handle;
////////////////////////////////////////////////////////////////////
// Function: ShaderMode::load
// Access: Published
// Description: Obtain the shader associated with the specified
// file and construct a ShaderMode for that shader.
////////////////////////////////////////////////////////////////////
PT(ShaderMode) ShaderMode::
load(const Filename &file)
{
string text;
VirtualFileSystem *vfs = VirtualFileSystem::get_global_ptr();
if (!vfs->read_file(file, text)) {
cerr << "Could not read " << file << "\n";
return new ShaderMode(new Shader("", file));
}
return new ShaderMode(new Shader(text, file));
}
////////////////////////////////////////////////////////////////////
// Function: ShaderMode::load
// Access: Published
// Description: Obtain the shader associated with the specified
// file and construct a ShaderMode for that shader.
////////////////////////////////////////////////////////////////////
PT(ShaderMode) ShaderMode::
load(const string &file)
{
Filename fn(file);
return load(fn);
}
////////////////////////////////////////////////////////////////////
// Function: ShaderMode::make
// Access: Published
// Description: Obtain the shader associated with the specified
// text and construct a ShaderMode for that shader.
////////////////////////////////////////////////////////////////////
PT(ShaderMode) ShaderMode::
make(const string &text)
{
return new ShaderMode(new Shader(text, ""));
}
////////////////////////////////////////////////////////////////////
// Function: ShaderMode::Constructor
// Access: Published
// Description: Use to construct a new shader instance.
////////////////////////////////////////////////////////////////////
ShaderMode::
ShaderMode(Shader *shader) {
_shader = shader;
}
////////////////////////////////////////////////////////////////////
// Function: ShaderMode::Destructor
// Access: Public
// Description: delete a shader
////////////////////////////////////////////////////////////////////
ShaderMode::
~ShaderMode() {
}
////////////////////////////////////////////////////////////////////
// Function: ShaderMode::mod_param
// Access: Private
// Description: To set a parameter, you must first access it and
// then clear it. This function accesses then clears
// the storage for a parameter, prior to setting it.
////////////////////////////////////////////////////////////////////
INLINE ShaderModeArg *ShaderMode::
mod_param(const string &pname, int t) {
int index = _shader->arg_index(pname);
if (index >= (int)(_args.size()))
_args.resize(index+1);
ShaderModeArg *arg = &(_args[index]);
arg->_type = t;
arg->_nvalue = NodePath();
arg->_tvalue = (Texture*)NULL;
arg->_fvalue = LVector4d(0,0,0,0);
return arg;
}
////////////////////////////////////////////////////////////////////
// Function: ShaderMode::set_param texture
// Access: Public
// Description: Store texture in the map to associate with
// param name
////////////////////////////////////////////////////////////////////
void ShaderMode::
set_param(const string &pname, Texture *x) {
ShaderModeArg *arg = mod_param(pname, ShaderModeArg::SAT_TEXTURE);
arg->_tvalue = x;
}
////////////////////////////////////////////////////////////////////
// Function: ShaderMode::set_param nodepath
// Access: Public
// Description: Store nodepath in the map to associate with
// param name
////////////////////////////////////////////////////////////////////
void ShaderMode::
set_param(const string &pname, const NodePath &x) {
ShaderModeArg *arg = mod_param(pname, ShaderModeArg::SAT_NODEPATH);
arg->_nvalue = x;
}
////////////////////////////////////////////////////////////////////
// Function: ShaderMode::set_param 1f
// Access: Public
// Description: Store 1f in the map to associate with
// param name
////////////////////////////////////////////////////////////////////
void ShaderMode::
set_param(const string &pname, float x) {
ShaderModeArg *arg = mod_param(pname, ShaderModeArg::SAT_FLOAT);
arg->_fvalue = LVector4d(x,0,0,0);
}
////////////////////////////////////////////////////////////////////
// Function: ShaderMode::set_param 2f
// Access: Public
// Description: Store 2f in the map to associate with
// param name
////////////////////////////////////////////////////////////////////
void ShaderMode::
set_param(const string &pname, LVector2f x) {
ShaderModeArg *arg = mod_param(pname, ShaderModeArg::SAT_FLOAT);
arg->_fvalue = LVector4d(x[0],x[1],0,0);
}
////////////////////////////////////////////////////////////////////
// Function: ShaderMode::set_param 3f
// Access: Public
// Description: Store 3f in the map to associate with
// param name
////////////////////////////////////////////////////////////////////
void ShaderMode::
set_param(const string &pname, LVector3f x) {
ShaderModeArg *arg = mod_param(pname, ShaderModeArg::SAT_FLOAT);
arg->_fvalue = LVector4d(x[0],x[1],x[2],0);
}
////////////////////////////////////////////////////////////////////
// Function: ShaderMode::set_param 4f
// Access: Public
// Description: Store 4f in the map to associate with
// param name
////////////////////////////////////////////////////////////////////
void ShaderMode::
set_param(const string &pname, LVector4f x) {
ShaderModeArg *arg = mod_param(pname, ShaderModeArg::SAT_FLOAT);
arg->_fvalue = LVector4d(x[0],x[1],x[2],x[3]);
}
////////////////////////////////////////////////////////////////////
// Function: ShaderMode::set_param 1d
// Access: Public
// Description: Store 1d in the map to associate with
// param name
////////////////////////////////////////////////////////////////////
void ShaderMode::
set_param(const string &pname, double x) {
ShaderModeArg *arg = mod_param(pname, ShaderModeArg::SAT_FLOAT);
arg->_fvalue = LVector4d(x,0,0,0);
}
////////////////////////////////////////////////////////////////////
// Function: ShaderMode::set_param 2d
// Access: Public
// Description: Store 2d in the map to associate with
// param name
////////////////////////////////////////////////////////////////////
void ShaderMode::
set_param(const string &pname, LVector2d x) {
ShaderModeArg *arg = mod_param(pname, ShaderModeArg::SAT_FLOAT);
arg->_fvalue = LVector4d(x[0],x[1],0,0);
}
////////////////////////////////////////////////////////////////////
// Function: ShaderMode::set_param 3d
// Access: Public
// Description: Store 3d in the map to associate with
// param name
////////////////////////////////////////////////////////////////////
void ShaderMode::
set_param(const string &pname, LVector3d x) {
ShaderModeArg *arg = mod_param(pname, ShaderModeArg::SAT_FLOAT);
arg->_fvalue = LVector4d(x[0],x[1],x[2],0);
}
////////////////////////////////////////////////////////////////////
// Function: ShaderMode::set_param 4d
// Access: Public
// Description: Store 4d in the map to associate with
// param name
////////////////////////////////////////////////////////////////////
void ShaderMode::
set_param(const string &pname, LVector4d x) {
ShaderModeArg *arg = mod_param(pname, ShaderModeArg::SAT_FLOAT);
arg->_fvalue = x;
}
////////////////////////////////////////////////////////////////////
// Function: ShaderMode::register_with_read_factory
// Access: Public, Static
// Description: Factory method to generate a ShaderMode object
////////////////////////////////////////////////////////////////////
void ShaderMode::
register_with_read_factory() {
// IMPLEMENT ME
}

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panda/src/pgraph/shaderMode.h Executable file
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// Filename: shaderMode.h
// Created by: jyelon (01Sep05)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
//
// All use of this software is subject to the terms of the Panda 3d
// Software license. You should have received a copy of this license
// along with this source code; you will also find a current copy of
// the license at http://etc.cmu.edu/panda3d/docs/license/ .
//
// To contact the maintainers of this program write to
// panda3d-general@lists.sourceforge.net .
//
////////////////////////////////////////////////////////////////////
#ifndef SHADERMODE_H
#define SHADERMODE_H
#include "pandabase.h"
#include "nodePath.h"
////////////////////////////////////////////////////////////////////
// Class : ShaderModeArg
// Description : The ShaderModeArg is a small structure designed to hold
// any of the various kinds of values that can be
// passed to a shader. Basically, it is a temporary
// storage repository for shader input parameters.
////////////////////////////////////////////////////////////////////
class ShaderModeArg
{
public:
enum ShaderModeArgType
{
SAT_INVALID,
SAT_FLOAT,
SAT_TEXTURE,
SAT_NODEPATH,
};
INLINE ShaderModeArg(void);
INLINE ~ShaderModeArg(void);
int _type;
NodePath _nvalue;
PT(Texture) _tvalue;
LVector4d _fvalue;
};
////////////////////////////////////////////////////////////////////
// Class : ShaderMode
// Summary: The ShaderMode object contains a Shader and a
// list of input data to pass into the shader when
// it is executing.
////////////////////////////////////////////////////////////////////
class EXPCL_PANDA ShaderMode: public TypedWritableReferenceCount {
public:
PT(Shader) _shader;
vector<ShaderModeArg> _args;
PUBLISHED:
ShaderMode(Shader *body);
static PT(ShaderMode) load(const string &file);
static PT(ShaderMode) load(const Filename &file);
static PT(ShaderMode) make(const string &text);
~ShaderMode();
INLINE Shader *get_shader(void);
// Overloaded set_param to be used based on your param type
void set_param(const string &pname, Texture *t);
void set_param(const string &pname, const NodePath &np);
void set_param(const string &pname, float p1f);
void set_param(const string &pname, LVector2f p2f);
void set_param(const string &pname, LVector3f p3f);
void set_param(const string &pname, LVector4f p4f);
void set_param(const string &pname, double p1d);
void set_param(const string &pname, LVector2d p2d);
void set_param(const string &pname, LVector3d p3d);
void set_param(const string &pname, LVector4d p4d);
static void register_with_read_factory(void);
private:
ShaderModeArg *mod_param(const string &pname, int kind);
public:
static TypeHandle get_class_type() {
return _type_handle;
}
static void init_type() {
TypedWritableReferenceCount::init_type();
register_type(_type_handle, "ShaderMode",
TypedWritableReferenceCount::get_class_type());
}
virtual TypeHandle get_type() const {
return get_class_type();
}
virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
private:
static TypeHandle _type_handle;
};
#include "shaderMode.I"
#endif