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Fix extract_texture_data for buffer textures

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This commit is contained in:
rdb 2016-11-29 23:05:01 +01:00
parent 5ad900a413
commit 441b791e57
3 changed files with 44 additions and 17 deletions
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57
panda/src/glstuff/glGraphicsStateGuardian_src.cxx
View File

@ -1356,6 +1356,8 @@ reset() {
get_extension_func("glMapBuffer");
_glUnmapBuffer = (PFNGLUNMAPBUFFERPROC)
get_extension_func("glUnmapBuffer");
_glGetBufferSubData = (PFNGLGETBUFFERSUBDATAPROC)
get_extension_func("glGetBufferSubData");
#endif
}
#ifndef OPENGLES_1
@ -1376,6 +1378,8 @@ reset() {
get_extension_func("glMapBufferARB");
_glUnmapBuffer = (PFNGLUNMAPBUFFERPROC)
get_extension_func("glUnmapBufferARB");
_glGetBufferSubData = (PFNGLGETBUFFERSUBDATAPROC)
get_extension_func("glGetBufferSubDataARB");
}
#endif // OPENGLES_1
@ -12644,20 +12648,26 @@ do_extract_texture_data(CLP(TextureContext) *gtc) {
GLint minfilter, magfilter;
GLfloat border_color[4];
glGetTexParameteriv(target, GL_TEXTURE_WRAP_S, &wrap_u);
glGetTexParameteriv(target, GL_TEXTURE_WRAP_T, &wrap_v);
wrap_w = GL_REPEAT;
#ifndef OPENGLES_1
if (_supports_3d_texture) {
glGetTexParameteriv(target, GL_TEXTURE_WRAP_R, &wrap_w);
}
#ifdef OPENGLES
if (true) {
#else
if (target != GL_TEXTURE_BUFFER) {
#endif
glGetTexParameteriv(target, GL_TEXTURE_MIN_FILTER, &minfilter);
glGetTexParameteriv(target, GL_TEXTURE_MAG_FILTER, &magfilter);
glGetTexParameteriv(target, GL_TEXTURE_WRAP_S, &wrap_u);
glGetTexParameteriv(target, GL_TEXTURE_WRAP_T, &wrap_v);
wrap_w = GL_REPEAT;
#ifndef OPENGLES_1
if (_supports_3d_texture) {
glGetTexParameteriv(target, GL_TEXTURE_WRAP_R, &wrap_w);
}
#endif
glGetTexParameteriv(target, GL_TEXTURE_MIN_FILTER, &minfilter);
glGetTexParameteriv(target, GL_TEXTURE_MAG_FILTER, &magfilter);
#ifndef OPENGLES
glGetTexParameterfv(target, GL_TEXTURE_BORDER_COLOR, border_color);
glGetTexParameterfv(target, GL_TEXTURE_BORDER_COLOR, border_color);
#endif
}
GLenum page_target = target;
if (target == GL_TEXTURE_CUBE_MAP) {
@ -13122,14 +13132,20 @@ do_extract_texture_data(CLP(TextureContext) *gtc) {
tex->set_component_type(type);
tex->set_format(format);
tex->set_wrap_u(get_panda_wrap_mode(wrap_u));
tex->set_wrap_v(get_panda_wrap_mode(wrap_v));
tex->set_wrap_w(get_panda_wrap_mode(wrap_w));
tex->set_border_color(LColor(border_color[0], border_color[1],
border_color[2], border_color[3]));
#ifdef OPENGLES
if (true) {
#else
if (target != GL_TEXTURE_BUFFER) {
#endif
tex->set_wrap_u(get_panda_wrap_mode(wrap_u));
tex->set_wrap_v(get_panda_wrap_mode(wrap_v));
tex->set_wrap_w(get_panda_wrap_mode(wrap_w));
tex->set_border_color(LColor(border_color[0], border_color[1],
border_color[2], border_color[3]));
tex->set_minfilter(get_panda_filter_type(minfilter));
// tex->set_magfilter(get_panda_filter_type(magfilter));
tex->set_minfilter(get_panda_filter_type(minfilter));
//tex->set_magfilter(get_panda_filter_type(magfilter));
}
PTA_uchar image;
size_t page_size = 0;
@ -13216,6 +13232,13 @@ extract_texture_image(PTA_uchar &image, size_t &page_size,
}
}
#ifndef OPENGLES
} else if (target == GL_TEXTURE_BUFFER) {
// In the case of a buffer texture, we need to get it from the buffer.
image = PTA_uchar::empty_array(tex->get_expected_ram_mipmap_image_size(n));
_glGetBufferSubData(target, 0, image.size(), image.p());
#endif
} else if (compression == Texture::CM_off) {
// An uncompressed 1-d, 2-d, or 3-d texture.
image = PTA_uchar::empty_array(tex->get_expected_ram_mipmap_image_size(n));

1
panda/src/glstuff/glGraphicsStateGuardian_src.h
View File

@ -801,6 +801,7 @@ public:
#ifndef OPENGLES
PFNGLMAPBUFFERPROC _glMapBuffer;
PFNGLUNMAPBUFFERPROC _glUnmapBuffer;
PFNGLGETBUFFERSUBDATAPROC _glGetBufferSubData;
#endif
#ifdef OPENGLES

3
panda/src/gobj/texture.cxx
View File

@ -7411,6 +7411,9 @@ do_set_simple_ram_image(CData *cdata, CPTA_uchar image, int x_size, int y_size)
*/
int Texture::
do_get_expected_num_mipmap_levels(const CData *cdata) const {
if (cdata->_texture_type == Texture::TT_buffer_texture) {
return 1;
}
int size = max(cdata->_x_size, cdata->_y_size);
if (cdata->_texture_type == Texture::TT_3d_texture) {
size = max(size, cdata->_z_size);