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Add support for 2D texture arrays to ShaderGenerator and BufferViewer (actual render-to-texture-array functionality to come)

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This commit is contained in:
rdb 2013-08-12 09:18:24 +00:00
parent a1c70ce95e
commit d489f68115
3 changed files with 22 additions and 4 deletions
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11
direct/src/showbase/BufferViewer.py
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@ -290,6 +290,17 @@ class BufferViewer(DirectObject):
card = NodePath(self.cardmaker.generate())
card.setTexture(tex)
cards.append(card)
elif (tex.getTextureType() == Texture.TT2dTextureArray):
for layer in range(tex.getZSize()):
self.cardmaker.setUvRange((0, 1, 1, 0), (0, 0, 1, 1),\
(layer, layer, layer, layer))
card = NodePath(self.cardmaker.generate())
# 2D texture arrays are not supported by
# the fixed-function pipeline, so we need to
# enable the shader generator to view them.
card.setShaderAuto()
card.setTexture(tex)
cards.append(card)
else:
card = win.getTextureCard()
card.setTexture(tex)

4
panda/src/pgraph/textureAttrib.cxx
View File

@ -962,8 +962,10 @@ sort_on_stages() {
for (si = _on_stages.begin(); si != _on_stages.end(); ++si) {
StageNode &sn = (*si);
TextureStage *stage = sn._stage;
Texture *texture = sn._texture;
nassertv(stage != NULL);
if (stage->is_fixed_function()) {
nassertv(texture != NULL);
if (stage->is_fixed_function() && texture->get_texture_type() != Texture::TT_2d_texture_array) {
const InternalName *name = stage->get_texcoord_name();
// This pair of lines will get the next consecutive texcoord index

7
panda/src/pgraphnodes/shaderGenerator.cxx
View File

@ -612,7 +612,7 @@ update_shadow_buffer(NodePath light_np) {
// - shadow mapping
// - most texgen modes
// - texmatrix
// - 1D/2D/3D textures, cube textures
// - 1D/2D/3D textures, cube textures, 2D tex arrays
// - linear/exp/exp2 fog
//
// Not yet supported:
@ -956,6 +956,7 @@ synthesize_shader(const RenderState *rs) {
switch (tex->get_texture_type()) {
case Texture::TT_cube_map:
case Texture::TT_3d_texture:
case Texture::TT_2d_texture_array:
text << "xyz";
break;
case Texture::TT_2d_texture:
@ -998,6 +999,7 @@ synthesize_shader(const RenderState *rs) {
switch(tex->get_texture_type()) {
case Texture::TT_cube_map:
case Texture::TT_3d_texture:
case Texture::TT_2d_texture_array:
text << "xyz";
break;
case Texture::TT_2d_texture:
@ -1625,6 +1627,9 @@ texture_type_as_string(Texture::TextureType ttype) {
case Texture::TT_cube_map:
return "CUBE";
break;
case Texture::TT_2d_texture_array:
return "2DARRAY";
break;
default:
pgraph_cat.error() << "Unsupported texture type!\n";
return "2D";