#include <msp/datafile/collection.h>
+#include <msp/gl/extensions/arb_direct_state_access.h>
+#include <msp/gl/extensions/arb_seamless_cube_map.h>
#include <msp/gl/extensions/arb_texture_cube_map.h>
#include <msp/gl/extensions/arb_texture_storage.h>
#include <msp/io/memory.h>
#include <msp/strings/format.h>
-#include "bindable.h"
#include "error.h"
-#include "pixelstore.h"
#include "texturecube.h"
using namespace std;
allocated(0)
{
static Require _req(ARB_texture_cube_map);
+ if(ARB_seamless_cube_map)
+ glEnable(GL_TEXTURE_CUBE_MAP_SEAMLESS);
}
void TextureCube::storage(PixelFormat fmt, unsigned sz, unsigned lv)
{
if(size>0)
- throw invalid_operation("TextureCube::storage");
+ {
+ if(fmt!=format || sz!=size || (lv && lv!=levels))
+ throw incompatible_data("TextureCube::storage");
+ return;
+ }
if(sz==0)
throw invalid_argument("TextureCube::storage");
throw invalid_operation("TextureCube::allocate");
if(level>=levels)
throw invalid_argument("TextureCube::allocate");
+
+ bool direct = ARB_texture_storage && ARB_direct_state_access;
+ if(!direct)
+ {
+ glActiveTexture(GL_TEXTURE0);
+ glBindTexture(target, id);
+ }
+
+ allocate_(level);
+
+ if(!direct)
+ glBindTexture(target, 0);
+}
+
+void TextureCube::allocate_(unsigned level)
+{
if(allocated&(64<<level))
return;
if(ARB_texture_storage)
{
- BindRestore _bind(this);
- glTexStorage2D(target, levels, storage_fmt, size, size);
+ GLenum fmt = get_gl_pixelformat(storage_fmt);
+ if(ARB_direct_state_access)
+ glTextureStorage2D(id, levels, fmt, size, size);
+ else
+ glTexStorage2D(target, levels, fmt, size, size);
apply_swizzle();
- allocated |= (1<<levels)-1;
+ allocated |= (64<<levels)-1;
}
else
{
for(unsigned i=0; i<6; ++i)
- image(enumerate_faces(i), level, 0);
+ image_(enumerate_faces(i), level, 0);
}
}
{
if(size==0)
throw invalid_operation("TextureCube::image");
-
- unsigned s = get_level_size(level);
- if(s==0)
+ if(level>=levels)
throw out_of_range("TextureCube::image");
if(ARB_texture_storage)
- return sub_image(face, level, 0, 0, s, s, data);
+ {
+ unsigned lsz = get_level_size(level);
+ return sub_image(face, level, 0, 0, lsz, lsz, data);
+ }
+
+ glActiveTexture(GL_TEXTURE0);
+ glBindTexture(target, id);
+
+ image_(face, level, data);
+
+ if(auto_gen_mipmap && level==0 && (allocated&63)==63)
+ {
+ generate_mipmap_();
+ allocated |= (64<<levels)-1;
+ }
- BindRestore _bind(this);
+ glBindTexture(target, 0);
+}
+void TextureCube::image_(TextureCubeFace face, unsigned level, const void *data)
+{
if(!allocated)
{
glTexParameteri(target, GL_TEXTURE_MAX_LEVEL, levels-1);
apply_swizzle();
}
- PixelComponents comp = get_components(storage_fmt);
- DataType type = get_component_type(storage_fmt);
- glTexImage2D(face, level, storage_fmt, s, s, 0, comp, type, data);
+ unsigned lsz = get_level_size(level);
+ GLenum fmt = get_gl_pixelformat(storage_fmt);
+ GLenum comp = get_gl_components(get_components(storage_fmt));
+ GLenum type = get_gl_type(get_component_type(storage_fmt));
+ glTexImage2D(face, level, fmt, lsz, lsz, 0, comp, type, data);
if(level==0)
{
allocated |= 1<<get_face_index(face);
if((allocated&63)==63)
- {
allocated |= 64;
- if(auto_gen_mipmap)
- {
- generate_mipmap();
- allocated |= (64<<levels)-1;
- }
- }
}
else if(!(allocated&(64<<level)))
{
for(unsigned i=0; i<6; ++i)
if(enumerate_faces(i)!=face)
- glTexImage2D(enumerate_faces(i), level, storage_fmt, s, s, 0, comp, type, 0);
+ glTexImage2D(enumerate_faces(i), level, fmt, lsz, lsz, 0, comp, type, 0);
allocated |= 64<<level;
}
{
if(size==0)
throw invalid_operation("TextureCube::sub_image");
+ if(level>=levels)
+ throw out_of_range("TextureCube::sub_image");
- BindRestore _bind(this);
- allocate(level);
+ bool direct = (ARB_direct_state_access && (ARB_texture_storage || (allocated&(1<<level))));
+ if(!direct)
+ {
+ glActiveTexture(GL_TEXTURE0);
+ glBindTexture(target, id);
+ }
- PixelComponents comp = get_components(storage_fmt);
- DataType type = get_component_type(storage_fmt);
- glTexSubImage2D(face, level, x, y, wd, ht, comp, type, data);
+ allocate_(level);
+
+ GLenum comp = get_gl_components(get_components(storage_fmt));
+ GLenum type = get_gl_type(get_component_type(storage_fmt));
+ if(ARB_direct_state_access)
+ glTextureSubImage3D(id, level, x, y, get_face_index(face), wd, ht, 1, comp, type, data);
+ else
+ glTexSubImage2D(face, level, x, y, wd, ht, comp, type, data);
if(auto_gen_mipmap && level==0)
- generate_mipmap();
+ generate_mipmap_();
+
+ if(!direct)
+ glBindTexture(target, 0);
}
void TextureCube::sub_image(TextureCubeFace face, unsigned level, int x, int y, unsigned wd, unsigned ht, PixelComponents comp, DataType type, const void *data)
{
unsigned w = img.get_width();
unsigned h = img.get_height();
- PixelFormat fmt = pixelformat_from_image(img);
- if(size==0)
- {
- if(w!=h)
- throw incompatible_data("TextureCube::image");
-
- storage(make_pixelformat(get_components(fmt), get_component_type(fmt), use_srgb_format), w);
- }
- else if(w!=size || h!=size)
+ if(w!=h)
throw incompatible_data("TextureCube::image");
- PixelStore pstore = PixelStore::from_image(img);
- BindRestore _bind_ps(pstore);
+ PixelFormat fmt = pixelformat_from_image(img);
+ storage(make_pixelformat(get_components(fmt), get_component_type(fmt), use_srgb_format), w);
image(face, 0, img.get_pixels());
}
else if(w!=size || h!=size)
throw incompatible_data("TextureCube::image");
- PixelStore pstore = PixelStore::from_image(img);
- BindRestore _bind_ps(pstore);
-
const char *pixels = reinterpret_cast<const char *>(img.get_pixels());
unsigned face_size = img.get_stride()*size;
for(unsigned i=0; i<6; ++i)