void *
k_pool_replace(MemPool_t *pool, ptr_t block, size_t bytes)
{
struct BlockHeader_t *pHeader = (struct BlockHeader_t *) block - 1;
const byte newListNum = get_next_power_of_two(bytes + sizeof(struct BlockHeader_t));
if (pHeader->listNum != newListNum)
{
size_t oldSize = 1U << pHeader->listNum;
void *newp = k_pool_select(pool, bytes);
if (bytes <= oldSize)
k_memcpy(newp, block, bytes);
else
k_memcpy(newp, block, oldSize);
k_pool_release(pool, block);
return newp;
}
else
{
return block;
}
}
void *
k_pool_select(MemPool_t *pool, size_t bytes)
{
if(!pool)
return NULL;
const byte listNum = get_next_power_of_two(bytes + sizeof(struct BlockHeader_t));
if (!pool->freeSlicesLists[listNum])
{
if (!find_new_block_for_list(pool, listNum))
{
return NULL;
}
}
pool->numAllocatedBlocks[listNum]++;
pool->numBlockAllocations[listNum]++;
void * res = 1 + detach_first_block(pool, listNum);
return res;
}
void GL1TextureProvider::create(int new_width, int new_height, int new_depth, int array_size, TextureFormat texture_format, int levels)
{
throw_if_disposed();
GLint gl_internal_format;
GLenum gl_pixel_format;
to_opengl_textureformat(texture_format, gl_internal_format, gl_pixel_format);
if ( (new_width > 32768) || (new_width < 1) )
{
throw Exception("Invalid texture width in the GL1 target");
}
if ( (texture_type == GL_TEXTURE_2D) || (texture_type == GL_TEXTURE_3D) )
{
if ( (new_height > 32768) || (new_height < 1) )
{
throw Exception("Invalid texture height in the GL1 target");
}
}
if ( texture_type == GL_TEXTURE_3D )
{
if ( (new_depth > 32768) || (new_depth < 1) )
{
throw Exception("Invalid texture depth in the GL1 target");
}
}
width = new_width;
height = new_height;
depth = new_depth;
GL1TextureStateTracker state_tracker(texture_type, handle);
#ifndef __ANDROID__
if (texture_type == GL_TEXTURE_1D)
{
pot_width = get_next_power_of_two(new_width);
if (pot_width == new_width)
{
power_of_two_texture=true;
}
else
{
power_of_two_texture=false;
}
pot_ratio_width = (float) width / pot_width;
glTexImage1D(
GL_TEXTURE_1D, // target
0, // level
gl_internal_format, // internalformat
pot_width, // width
0, // border
gl_pixel_format, // format
GL_UNSIGNED_BYTE, // type (it really doesn't matter since nothing is uploaded)
nullptr); // texels (0 to avoid uploading)
}
#endif
if (texture_type == GL_TEXTURE_2D)
{
pot_width = get_next_power_of_two(new_width);
pot_height = get_next_power_of_two(new_height);
if ( (pot_width == new_width) && (pot_height == new_height))
{
power_of_two_texture=true;
}
else
{
power_of_two_texture=false;
}
pot_ratio_width = (float) width / pot_width;
pot_ratio_height = (float) height / pot_height;
glTexImage2D(
GL_TEXTURE_2D, // target
0, // level
gl_internal_format, // internalformat
pot_width, // width
pot_height, // height
0, // border
gl_pixel_format, // format
GL_UNSIGNED_BYTE, // type (it really doesn't matter since nothing is uploaded)
nullptr); // texels (0 to avoid uploading)
// Clear the whole texture if it is npot
if (!power_of_two_texture)
{
PixelBuffer image = PixelBuffer(pot_width, pot_height, tf_rgba8);
void *data = image.get_data();
memset(data, 0, pot_width * pot_height * 4);
GLenum format;
GLenum type;
to_opengl_pixelformat(image, format, type);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
const int bytesPerPixel = image.get_bytes_per_pixel();
#ifndef __ANDROID__
glPixelStorei(GL_UNPACK_ROW_LENGTH, image.get_pitch() / bytesPerPixel);
glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0);
glPixelStorei(GL_UNPACK_SKIP_ROWS, 0);
#endif
glTexImage2D(
GL_TEXTURE_2D, // target
0, // level
gl_internal_format, // internalformat
pot_width, // width
pot_height, // height
0, // border
format, // format
type, // type
data); // texels
}
}
else
{
pot_width = get_next_power_of_two(new_width);
pot_height = get_next_power_of_two(new_height);
pot_depth = get_next_power_of_two(new_depth);
pot_ratio_width = (float) width / pot_width;
pot_ratio_height = (float) height / pot_height;
pot_ratio_depth = (float) depth / pot_depth;
if ( (pot_width == new_width) && (pot_height == new_height) && (pot_depth == new_depth))
{
power_of_two_texture=true;
}
else
{
power_of_two_texture=false;
}
glTexImage3D(
GL_TEXTURE_3D, // target
0, // level
gl_internal_format, // internalformat
pot_width, // width
pot_height, // height
pot_depth, // depth
0, // border
gl_pixel_format, // format
GL_UNSIGNED_BYTE, // type (it really doesn't matter since nothing is uploaded)
nullptr); // texels (0 to avoid uploading)
}
}
