void GrGLPathTexGenProgramEffects::setPathTexGenState(GrGpuGL* gpu,
const GrDrawEffect& drawEffect,
int effectIdx) {
uint32_t totalKey = fTransforms[effectIdx].fTransformKey;
int texCoordIndex = fTransforms[effectIdx].fTexCoordIndex;
int numTransforms = drawEffect.effect()->numTransforms();
for (int t = 0; t < numTransforms; ++t) {
switch (get_matrix_type(totalKey, t)) {
case kNoPersp_MatrixType: {
const SkMatrix& transform = get_transform_matrix(drawEffect, t);
gpu->enablePathTexGen(texCoordIndex++,
GrGpuGL::kST_PathTexGenComponents,
transform);
break;
}
case kGeneral_MatrixType: {
const SkMatrix& transform = get_transform_matrix(drawEffect, t);
gpu->enablePathTexGen(texCoordIndex++,
GrGpuGL::kSTR_PathTexGenComponents,
transform);
break;
}
default:
SkFAIL("Unexpected matrixs type.");
}
}
}
static int lauem3m( int axes[3],
const Symmetry * symmetry )
{
int i, count, axis, tmpval;
int prop_rot[3][3], t_mat[3][3];
for ( i = 0; i < 3; i++ ) { axes[i] = -1; }
count = 0;
for ( i = 0; i < symmetry->size; i++ ) {
get_proper_rotation( prop_rot, symmetry->rot[i] );
/* Search four-fold rotation */
if ( ! ( mat_get_trace_i3( prop_rot ) == 1 ) ) {
continue;
}
axis = get_rotation_axis( prop_rot );
if ( ! ( ( axis == axes[0] ) ||
( axis == axes[1] ) ||
( axis == axes[2] ) ) ) {
axes[count] = axis;
count++;
}
}
get_transform_matrix( t_mat, axes );
if ( mat_get_determinant_i3( t_mat ) < 0 ) {
tmpval = axes[0];
axes[0] = axes[1];
axes[1] = tmpval;
}
return 1;
}
static int laue4m( int axes[3],
const Symmetry * symmetry )
{
int i, num_ortho_axis, norm, min_norm, is_found, tmpval;
int axis_vec[3];
int prop_rot[3][3], t_mat[3][3];
int ortho_axes[NUM_ROT_AXES];
for ( i = 0; i < symmetry->size; i++ ) {
get_proper_rotation( prop_rot, symmetry->rot[i] );
/* Search foud-fold rotation */
if ( mat_get_trace_i3( prop_rot ) == 1 ) {
/* The first axis */
axes[2] = get_rotation_axis( prop_rot );
break;
}
}
/* The second axis */
num_ortho_axis = get_orthogonal_axis( ortho_axes, prop_rot, 4 );
if ( ! num_ortho_axis ) { goto err; }
min_norm = 8;
is_found = 0;
for ( i = 0; i < num_ortho_axis; i++ ) {
norm = mat_norm_squared_i3( rot_axes[ortho_axes[i]] );
if ( norm < min_norm ) {
min_norm = norm;
axes[0] = ortho_axes[i];
is_found = 1;
}
}
if ( ! is_found ) { goto err; }
/* The third axis */
mat_multiply_matrix_vector_i3( axis_vec, prop_rot, rot_axes[axes[0]] );
is_found = 0;
for ( i = 0; i < NUM_ROT_AXES; i++ ) {
if ( is_exist_axis( axis_vec, i ) ) {
is_found = 1;
axes[1] = i;
break;
}
}
if ( ! is_found ) { goto err; }
get_transform_matrix( t_mat, axes );
if ( mat_get_determinant_i3( t_mat ) < 0 ) {
tmpval = axes[0];
axes[0] = axes[1];
axes[1] = tmpval;
}
return 1;
err:
return 0;
}
void GrGLPathTexGenProgramEffects::setPathTexGenState(GrGpuGL* gpu,
const GrDrawEffect& drawEffect,
int effectIdx) {
EffectKey totalKey = fTransforms[effectIdx].fTransformKey;
int texCoordIndex = fTransforms[effectIdx].fTexCoordIndex;
int numTransforms = (*drawEffect.effect())->numTransforms();
for (int t = 0; t < numTransforms; ++t) {
switch (get_matrix_type(totalKey, t)) {
case kIdentity_MatrixType: {
SkASSERT(get_transform_matrix(drawEffect, t).isIdentity());
GrGLfloat identity[] = {1, 0, 0,
0, 1, 0};
gpu->enablePathTexGen(texCoordIndex++,
GrGpuGL::kST_PathTexGenComponents,
identity);
break;
}
case kTrans_MatrixType: {
GrGLfloat tx, ty;
get_transform_translation(drawEffect, t, &tx, &ty);
GrGLfloat translate[] = {1, 0, tx,
0, 1, ty};
gpu->enablePathTexGen(texCoordIndex++,
GrGpuGL::kST_PathTexGenComponents,
translate);
break;
}
case kNoPersp_MatrixType: {
const SkMatrix& transform = get_transform_matrix(drawEffect, t);
gpu->enablePathTexGen(texCoordIndex++,
GrGpuGL::kST_PathTexGenComponents,
transform);
break;
}
case kGeneral_MatrixType: {
const SkMatrix& transform = get_transform_matrix(drawEffect, t);
gpu->enablePathTexGen(texCoordIndex++,
GrGpuGL::kSTR_PathTexGenComponents,
transform);
break;
}
default:
SkFAIL("Unexpected matrixs type.");
}
}
}
/* pointgroup is modified. */
void ptg_get_transformation_matrix( Pointgroup * pointgroup,
const Symmetry * symmetry )
{
int axes[3];
int transform_mat[3][3];
get_axes( axes, pointgroup->laue, symmetry );
get_transform_matrix( transform_mat, axes );
mat_copy_matrix_i3( pointgroup->transform_mat, transform_mat );
}
glm::vec4 Decal::get_decal_rect() const
{
glm::vec2 min, max, tmp;
tmp = glm::vec3(-1.0f, -1.0f, 1.0f) * get_transform_matrix();
min = tmp;
max = tmp;
tmp = glm::vec3( 1.0f, -1.0f, 1.0f) * get_transform_matrix();
min = glm::min(min, tmp);
max = glm::max(max, tmp);
tmp = glm::vec3(-1.0f, 1.0f, 1.0f) * get_transform_matrix();
min = glm::min(min, tmp);
max = glm::max(max, tmp);
tmp = glm::vec3( 1.0f, 1.0f, 1.0f) * get_transform_matrix();
min = glm::min(min, tmp);
max = glm::max(max, tmp);
return glm::vec4(min, max);
}
void GrGLProgram::setTransformData(const GrPendingFragmentStage& processor,
GrGLInstalledFragProc* ip) {
SkTArray<GrGLInstalledFragProc::Transform, true>& transforms = ip->fTransforms;
int numTransforms = transforms.count();
SkASSERT(numTransforms == processor.getProcessor()->numTransforms());
for (int t = 0; t < numTransforms; ++t) {
SkASSERT(transforms[t].fHandle.isValid());
const SkMatrix& matrix = get_transform_matrix(processor, ip->fLocalCoordAttrib, t);
if (!transforms[t].fCurrentValue.cheapEqualTo(matrix)) {
fProgramDataManager.setSkMatrix(transforms[t].fHandle.convertToUniformHandle(), matrix);
transforms[t].fCurrentValue = matrix;
}
}
}
void GrGLVertexProgramEffects::setTransformData(const GrGLProgramDataManager& programResourceManager,
const GrDrawEffect& drawEffect,
int effectIdx) {
SkTArray<Transform, true>& transforms = fTransforms[effectIdx];
int numTransforms = transforms.count();
SkASSERT(numTransforms == drawEffect.effect()->numTransforms());
for (int t = 0; t < numTransforms; ++t) {
SkASSERT(transforms[t].fHandle.isValid());
const SkMatrix& matrix = get_transform_matrix(drawEffect, t);
if (!transforms[t].fCurrentValue.cheapEqualTo(matrix)) {
programResourceManager.setSkMatrix(transforms[t].fHandle, matrix);
transforms[t].fCurrentValue = matrix;
}
}
}
void GrGLVertexProgramEffects::setTransformData(const GrGLUniformManager& uniformManager,
const GrDrawEffect& drawEffect,
int effectIdx) {
SkTArray<Transform, true>& transforms = fTransforms[effectIdx];
int numTransforms = transforms.count();
SkASSERT(numTransforms == (*drawEffect.effect())->numTransforms());
for (int t = 0; t < numTransforms; ++t) {
SkASSERT(transforms[t].fHandle.isValid() != (kVoid_GrSLType == transforms[t].fType));
switch (transforms[t].fType) {
case kVoid_GrSLType:
SkASSERT(get_transform_matrix(drawEffect, t).isIdentity());
break;
case kVec2f_GrSLType: {
GrGLfloat tx, ty;
get_transform_translation(drawEffect, t, &tx, &ty);
if (transforms[t].fCurrentValue.get(SkMatrix::kMTransX) != tx ||
transforms[t].fCurrentValue.get(SkMatrix::kMTransY) != ty) {
uniformManager.set2f(transforms[t].fHandle, tx, ty);
transforms[t].fCurrentValue.set(SkMatrix::kMTransX, tx);
transforms[t].fCurrentValue.set(SkMatrix::kMTransY, ty);
}
break;
}
case kMat33f_GrSLType: {
const SkMatrix& matrix = get_transform_matrix(drawEffect, t);
if (!transforms[t].fCurrentValue.cheapEqualTo(matrix)) {
uniformManager.setSkMatrix(transforms[t].fHandle, matrix);
transforms[t].fCurrentValue = matrix;
}
break;
}
default:
SkFAIL("Unexpected uniform type.");
}
}
}
static int laue_one_axis( int axes[3],
const Symmetry * symmetry,
const int rot_order )
{
int i, j, num_ortho_axis, det, min_det, is_found, tmpval;
int axis_vec[3], tmp_axes[3];
int prop_rot[3][3], t_mat[3][3];
int ortho_axes[NUM_ROT_AXES];
for ( i = 0; i < symmetry->size; i++ ) {
get_proper_rotation( prop_rot, symmetry->rot[i] );
/* Search foud-fold rotation */
if ( rot_order == 4 ) {
if ( mat_get_trace_i3( prop_rot ) == 1 ) {
/* The first axis */
axes[2] = get_rotation_axis( prop_rot );
break;
}
}
/* Search three-fold rotation */
if ( rot_order == 3 ) {
if ( mat_get_trace_i3( prop_rot ) == 0 ) {
/* The first axis */
axes[2] = get_rotation_axis( prop_rot );
break;
}
}
}
/* Candidates of the second axis */
num_ortho_axis = get_orthogonal_axis( ortho_axes, prop_rot, rot_order );
if ( ! num_ortho_axis ) { goto err; }
tmp_axes[2] = axes[2];
min_det = 4;
is_found = 0;
for ( i = 0; i < num_ortho_axis; i++ ) {
tmp_axes[0] = ortho_axes[i];
mat_multiply_matrix_vector_i3( axis_vec, prop_rot,
rot_axes[tmp_axes[0]] );
for ( j = 0; j < num_ortho_axis; j++ ) {
is_found = is_exist_axis( axis_vec, ortho_axes[j] );
if ( is_found == 1 ) {
tmp_axes[1] = ortho_axes[j];
break;
}
if ( is_found == -1 ) {
tmp_axes[1] = ortho_axes[j] + NUM_ROT_AXES;
break;
}
}
get_transform_matrix( t_mat, tmp_axes );
det = mat_get_determinant_i3( t_mat );
if ( det < 0 ) { det = -det; }
if ( det < min_det ) {
min_det = det;
axes[0] = tmp_axes[0];
axes[1] = tmp_axes[1];
}
}
if ( ! is_found ) { goto err; }
get_transform_matrix( t_mat, axes );
if ( mat_get_determinant_i3( t_mat ) < 0 ) {
tmpval = axes[0];
axes[0] = axes[1];
axes[1] = tmpval;
}
return 1;
err:
return 0;
}
static int laue3m( int axes[3],
const Symmetry * symmetry )
{
int i, is_found, tmpval, axis;
int prop_rot[3][3], prop_rot2[3][3], t_mat[3][3];
int axis_vec[3];
for ( i = 0; i < symmetry->size; i++ ) {
get_proper_rotation( prop_rot, symmetry->rot[i] );
/* Search three-fold rotation */
if ( mat_get_trace_i3( prop_rot ) == 0 ) {
/* The first axis */
axes[2] = get_rotation_axis( prop_rot );
debug_print("laue3m prop_rot\n");
debug_print_matrix_i3( prop_rot );
break;
}
}
is_found = 0;
for ( i = 0; i < symmetry->size; i++ ) {
get_proper_rotation( prop_rot2, symmetry->rot[i] );
/* Search two-fold rotation */
if ( ! ( mat_get_trace_i3( prop_rot2 ) == -1 ) ) {
continue;
}
/* The second axis */
axis = get_rotation_axis( prop_rot2 );
if ( ! ( axis == axes[2] ) ) {
axes[0] = axis;
is_found = 1;
break;
}
}
if ( ! is_found ) { goto err; }
/* The third axis */
mat_multiply_matrix_vector_i3( axis_vec, prop_rot, rot_axes[axes[0]] );
is_found = 0;
for ( i = 0; i < NUM_ROT_AXES; i++ ) {
is_found = is_exist_axis( axis_vec, i );
if ( is_found == 1 ) {
axes[1] = i;
break;
}
if ( is_found == -1 ) {
axes[1] = i + NUM_ROT_AXES;
break;
}
}
if ( ! is_found ) { goto err; }
get_transform_matrix( t_mat, axes );
if ( mat_get_determinant_i3( t_mat ) < 0 ) {
tmpval = axes[0];
axes[0] = axes[1];
axes[1] = tmpval;
}
return 1;
err:
return 0;
}
static int laue2m( int axes[3],
const Symmetry * symmetry )
{
int i, num_ortho_axis, norm, min_norm, is_found, tmpval;
int prop_rot[3][3], t_mat[3][3];
int ortho_axes[NUM_ROT_AXES];
for ( i = 0; i < symmetry->size; i++ ) {
get_proper_rotation( prop_rot, symmetry->rot[i] );
/* Search two-fold rotation */
if ( ! ( mat_get_trace_i3( prop_rot ) == -1 ) ) {
continue;
}
/* The first axis */
axes[1] = get_rotation_axis( prop_rot );
break;
}
/* The second axis */
num_ortho_axis = get_orthogonal_axis( ortho_axes, prop_rot, 2 );
if ( ! num_ortho_axis ) { goto err; }
min_norm = 8;
is_found = 0;
for ( i = 0; i < num_ortho_axis; i++ ) {
norm = mat_norm_squared_i3( rot_axes[ortho_axes[i]] );
if ( norm < min_norm ) {
min_norm = norm;
axes[0] = ortho_axes[i];
is_found = 1;
}
}
if ( ! is_found ) { goto err; }
/* The third axis */
min_norm = 8;
is_found = 0;
for ( i = 0; i < num_ortho_axis; i++ ) {
norm = mat_norm_squared_i3( rot_axes[ortho_axes[i]] );
if ( norm < min_norm && ( ! ( ortho_axes[i] == axes[0] ) ) ) {
min_norm = norm;
axes[2] = ortho_axes[i];
is_found = 1;
}
}
if ( ! is_found ) { goto err; }
get_transform_matrix( t_mat, axes );
if ( mat_get_determinant_i3( t_mat ) < 0 ) {
tmpval = axes[0];
axes[0] = axes[2];
axes[2] = tmpval;
}
return 1;
err:
return 0;
}
