drewcassidy
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quicktex
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hotfix/mipmap-alpha-fix
Andrew Cassidy 3 years ago
parent 7149864173
commit 09e05b7cde
6 changed files with 42 additions and 42 deletions
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8
quicktex/Texture.h
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@ -41,13 +41,13 @@ class Texture {
virtual int Width() const { return _width; }
virtual int Height() const { return _height; }
virtual std::tuple<int, int> Dimensions() const { return std::tuple<int, int>(_width, _height); }
virtual std::tuple<int, int> Size() const { return std::tuple<int, int>(_width, _height); }
/**
* The texture's total size
* @return The size of the texture in bytes.
*/
virtual size_t Size() const noexcept = 0;
virtual size_t NBytes() const noexcept = 0;
virtual const uint8_t *Data() const noexcept = 0;
virtual uint8_t *Data() noexcept = 0;
@ -85,7 +85,7 @@ class RawTexture : public Texture {
_pixels.at(x + (y * _width)) = val;
}
size_t Size() const noexcept override { return static_cast<unsigned long>(Width() * Height()) * sizeof(Color); }
size_t NBytes() const noexcept override { return static_cast<unsigned long>(Width() * Height()) * sizeof(Color); }
template <int N, int M> ColorBlock<N, M> GetBlock(int block_x, int block_y) const {
if (block_x < 0 || (block_x + 1) * N > _width) throw std::out_of_range("x value out of range.");
@ -178,7 +178,7 @@ template <typename B> class BlockTexture final : public Texture {
_blocks.at(x + (y * _width_b)) = val;
}
size_t Size() const noexcept override { return _blocks.size() * sizeof(B); }
size_t NBytes() const noexcept override { return _blocks.size() * sizeof(B); }
const uint8_t *Data() const noexcept override { return reinterpret_cast<const uint8_t *>(_blocks.data()); }
uint8_t *Data() noexcept override{ return reinterpret_cast<uint8_t *>(_blocks.data()); }

8
quicktex/_bindings.cpp
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@ -42,13 +42,13 @@ PYBIND11_MODULE(_quicktex, m) {
py::class_<Texture> texture(m, "Texture", py::buffer_protocol());
texture.def_property_readonly("nbytes", &Texture::NBytes);
texture.def_property_readonly("size", &Texture::Size);
texture.def_property_readonly("dimensions", &Texture::Dimensions);
texture.def_property_readonly("width", &Texture::Width);
texture.def_property_readonly("height", &Texture::Height);
texture.def_buffer([](Texture &t) { return py::buffer_info(t.Data(), t.Size()); });
texture.def("tobytes", [](const Texture &t) { return py::bytes(reinterpret_cast<const char *>(t.Data()), t.Size()); });
texture.def_buffer([](Texture &t) { return py::buffer_info(t.Data(), t.NBytes()); });
texture.def("tobytes", [](const Texture &t) { return py::bytes(reinterpret_cast<const char *>(t.Data()), t.NBytes()); });
// RawTexture
@ -57,7 +57,7 @@ PYBIND11_MODULE(_quicktex, m) {
raw_texture.def(py::init<int, int>(), "width"_a, "height"_a);
raw_texture.def_static("frombytes", &BufferToTexture<RawTexture>, "data"_a, "width"_a, "height"_a);
DefSubscript2D(raw_texture, &RawTexture::GetPixel, &RawTexture::SetPixel, &RawTexture::Dimensions);
DefSubscript2D(raw_texture, &RawTexture::GetPixel, &RawTexture::SetPixel, &RawTexture::Size);
InitS3TC(m);
}

8
quicktex/_bindings.h
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@ -93,7 +93,7 @@ template <typename T> T BufferToTexture(py::buffer buf, int width, int height) {
auto info = buf.request(false);
auto output = T(width, height);
auto dst_size = output.Size();
auto dst_size = output.NBytes();
if (info.format != py::format_descriptor<uint8_t>::format()) throw std::runtime_error("Incompatible format in python buffer: expected a byte array.");
if (info.size < (ssize_t)dst_size) std::runtime_error("Incompatible format in python buffer: Input data is smaller than texture size.");
@ -184,9 +184,9 @@ template <typename B> py::class_<B> BindBlock(py::module_& m, const char* name)
block.def_readonly_static("width", &B::Width, "The width of the block in pixels.");
block.def_readonly_static("height", &B::Height, "The height of the block in pixels.");
block.def_property_readonly_static(
"dimensions", [](py::object) { return std::make_tuple(B::Width, B::Height); }, "The dimensions of the block in pixels.");
"size", [](py::object) { return std::make_tuple(B::Width, B::Height); }, "The dimensions of the block in pixels.");
block.def_property_readonly_static(
"size", [](py::object) { return sizeof(B); }, "The size of the block in bytes.");
"nbytes", [](py::object) { return sizeof(B); }, "The size of the block in bytes.");
block.def(py::self == py::self);
@ -227,7 +227,7 @@ template <typename B> py::class_<BlockTexture<B>> BindBlockTexture(py::module_&
block_texture.def_property_readonly("width_blocks", &BTex::BlocksX, "The width of the texture in blocks.");
block_texture.def_property_readonly("height_blocks", &BTex::BlocksY, "The height of the texture in blocks.");
block_texture.def_property_readonly("dimensions_blocks", &BTex::BlocksXY, "The dimensions of the texture in blocks.");
block_texture.def_property_readonly("size_blocks", &BTex::BlocksXY, "The dimensions of the texture in blocks.");
DefSubscript2D(block_texture, &BTex::GetBlock, &BTex::SetBlock, &BTex::BlocksXY);

30
tests/test_bc1.py
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@ -16,10 +16,10 @@ class TestBC1Block(unittest.TestCase):
def test_size(self):
"""Test the size and dimensions of BC1Block"""
self.assertEqual(BC1Block.size, 8, 'incorrect block size')
self.assertEqual(BC1Block.nbytes, 8, 'incorrect block size')
self.assertEqual(BC1Block.width, 4, 'incorrect block width')
self.assertEqual(BC1Block.height, 4, 'incorrect block width')
self.assertEqual(BC1Block.dimensions, (4, 4), 'incorrect block dimensions')
self.assertEqual(BC1Block.size, (4, 4), 'incorrect block dimensions')
def test_buffer(self):
"""Test the buffer protocol of BC1Block"""
@ -29,7 +29,7 @@ class TestBC1Block(unittest.TestCase):
self.assertFalse(mv.readonly, 'buffer is readonly')
self.assertTrue(mv.c_contiguous, 'buffer is not contiguous')
self.assertEqual(mv.ndim, 1, 'buffer is multidimensional')
self.assertEqual(mv.nbytes, BC1Block.size, 'buffer is the wrong size')
self.assertEqual(mv.nbytes, BC1Block.nbytes, 'buffer is the wrong size')
self.assertEqual(mv.format, 'B', 'buffer has the wrong format')
mv[:] = block_bytes
@ -68,24 +68,24 @@ class TestBC1Block(unittest.TestCase):
class TestBC1Texture(unittest.TestCase):
def setUp(self):
self.tex = BC1Texture(self.w, self.h)
self.size = self.wb * self.hb * BC1Block.size
self.nbytes = self.wb * self.hb * BC1Block.nbytes
def test_size(self):
"""Test size of BC1Texture in bytes"""
self.assertEqual(self.tex.size, self.size, 'incorrect texture size')
self.assertEqual(len(self.tex.tobytes()), self.size, 'incorrect texture size from tobytes')
self.assertEqual(self.tex.nbytes, self.nbytes, 'incorrect texture size')
self.assertEqual(len(self.tex.tobytes()), self.nbytes, 'incorrect texture size from tobytes')
def test_dimensions(self):
"""Test dimensions of BC1Texture in pixels"""
self.assertEqual(self.tex.width, self.w, 'incorrect texture width')
self.assertEqual(self.tex.height, self.h, 'incorrect texture height')
self.assertEqual(self.tex.dimensions, (self.w, self.h), 'incorrect texture dimensions')
self.assertEqual(self.tex.size, (self.w, self.h), 'incorrect texture dimensions')
def test_dimensions_blocks(self):
"""Test dimensions of BC1Texture in blocks"""
self.assertEqual(self.tex.width_blocks, self.wb, 'incorrect texture width_blocks')
self.assertEqual(self.tex.height_blocks, self.hb, 'incorrect texture width_blocks')
self.assertEqual(self.tex.dimensions_blocks, (self.wb, self.hb), 'incorrect texture dimensions_blocks')
self.assertEqual(self.tex.size_blocks, (self.wb, self.hb), 'incorrect texture dimensions_blocks')
def test_blocks(self):
"""Test getting and setting blocks to BC1Texture"""
@ -97,9 +97,9 @@ class TestBC1Texture(unittest.TestCase):
b = self.tex.tobytes()
for x in range(self.wb):
for y in range(self.hb):
index = (x + (y * self.wb)) * BC1Block.size
index = (x + (y * self.wb)) * BC1Block.nbytes
tb = self.tex[x, y]
fb = BC1Block.frombytes(b[index:index + BC1Block.size])
fb = BC1Block.frombytes(b[index:index + BC1Block.nbytes])
self.assertEqual(tb, blocks[y][x], 'incorrect block read from texture')
self.assertEqual(fb, blocks[y][x], 'incorrect block read from texture bytes')
@ -116,7 +116,7 @@ class TestBC1Texture(unittest.TestCase):
self.assertFalse(mv.readonly, 'buffer is readonly')
self.assertTrue(mv.c_contiguous, 'buffer is not contiguous')
self.assertEqual(mv.nbytes, self.size, 'buffer is the wrong size')
self.assertEqual(mv.nbytes, self.nbytes, 'buffer is the wrong size')
self.assertEqual(mv.format, 'B', 'buffer has the wrong format')
data = block_bytes * self.wb * self.hb
@ -141,7 +141,7 @@ class TestBC1Encoder(unittest.TestCase):
"""Test encoder output with 4 color greyscale test block"""
out_tex = self.bc1_encoder.encode(BC1Blocks.greyscale.texture)
self.assertEqual(out_tex.dimensions_blocks, (1, 1), 'encoded texture has multiple blocks')
self.assertEqual(out_tex.size_blocks, (1, 1), 'encoded texture has multiple blocks')
out_block = out_tex[0, 0]
@ -152,7 +152,7 @@ class TestBC1Encoder(unittest.TestCase):
"""Test encoder output with 3 color test block"""
out_tex = self.bc1_encoder.encode(BC1Blocks.three_color.texture)
self.assertEqual(out_tex.dimensions_blocks, (1, 1), 'encoded texture has multiple blocks')
self.assertEqual(out_tex.size_blocks, (1, 1), 'encoded texture has multiple blocks')
out_block = out_tex[0, 0]
@ -166,7 +166,7 @@ class TestBC1Encoder(unittest.TestCase):
"""Test encoder output with 3 color test block with black pixels"""
out_tex = self.bc1_encoder.encode(BC1Blocks.three_color_black.texture)
self.assertEqual(out_tex.dimensions_blocks, (1, 1), 'encoded texture has multiple blocks')
self.assertEqual(out_tex.size_blocks, (1, 1), 'encoded texture has multiple blocks')
out_block = out_tex[0, 0]
has_black = 3 in [j for row in out_block.selectors for j in row]
@ -199,7 +199,7 @@ class TestBC1Decoder(unittest.TestCase):
in_tex[0, 0] = block
out_tex = self.bc1_decoder.decode(in_tex)
self.assertEqual(out_tex.dimensions, (4, 4), 'decoded texture has incorrect dimensions')
self.assertEqual(out_tex.size, (4, 4), 'decoded texture has incorrect dimensions')
out_img = Image.frombytes('RGBA', (4, 4), out_tex.tobytes())
img_diff = ImageChops.difference(out_img, image).convert('L')

26
tests/test_bc4.py
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@ -17,10 +17,10 @@ class TestBC4Block(unittest.TestCase):
def test_size(self):
"""Test the size and dimensions of BC4Block"""
self.assertEqual(BC4Block.size, 8, 'incorrect block size')
self.assertEqual(BC4Block.nbytes, 8, 'incorrect block size')
self.assertEqual(BC4Block.width, 4, 'incorrect block width')
self.assertEqual(BC4Block.height, 4, 'incorrect block width')
self.assertEqual(BC4Block.dimensions, (4, 4), 'incorrect block dimensions')
self.assertEqual(BC4Block.size, (4, 4), 'incorrect block dimensions')
def test_buffer(self):
"""Test the buffer protocol of BC4Block"""
@ -30,7 +30,7 @@ class TestBC4Block(unittest.TestCase):
self.assertFalse(mv.readonly, 'buffer is readonly')
self.assertTrue(mv.c_contiguous, 'buffer is not contiguous')
self.assertEqual(mv.ndim, 1, 'buffer is multidimensional')
self.assertEqual(mv.nbytes, BC4Block.size, 'buffer is the wrong size')
self.assertEqual(mv.nbytes, BC4Block.nbytes, 'buffer is the wrong size')
self.assertEqual(mv.format, 'B', 'buffer has the wrong format')
mv[:] = self.block_bytes
@ -81,24 +81,24 @@ class TestBC4Block(unittest.TestCase):
class TestBC4Texture(unittest.TestCase):
def setUp(self):
self.tex = BC4Texture(self.w, self.h)
self.size = self.wb * self.hb * BC4Block.size
self.nbytes = self.wb * self.hb * BC4Block.nbytes
def test_size(self):
"""Test size of BC4Texture in bytes"""
self.assertEqual(self.tex.size, self.size, 'incorrect texture size')
self.assertEqual(len(self.tex.tobytes()), self.size, 'incorrect texture size from tobytes')
self.assertEqual(self.tex.nbytes, self.nbytes, 'incorrect texture size')
self.assertEqual(len(self.tex.tobytes()), self.nbytes, 'incorrect texture size from tobytes')
def test_dimensions(self):
"""Test dimensions of BC4Texture in pixels"""
self.assertEqual(self.tex.width, self.w, 'incorrect texture width')
self.assertEqual(self.tex.height, self.h, 'incorrect texture height')
self.assertEqual(self.tex.dimensions, (self.w, self.h), 'incorrect texture dimensions')
self.assertEqual(self.tex.size, (self.w, self.h), 'incorrect texture dimensions')
def test_dimensions_blocks(self):
"""Test dimensions of BC4Texture in blocks"""
self.assertEqual(self.tex.width_blocks, self.wb, 'incorrect texture width_blocks')
self.assertEqual(self.tex.height_blocks, self.hb, 'incorrect texture width_blocks')
self.assertEqual(self.tex.dimensions_blocks, (self.wb, self.hb), 'incorrect texture dimensions_blocks')
self.assertEqual(self.tex.size_blocks, (self.wb, self.hb), 'incorrect texture dimensions_blocks')
def test_blocks(self):
"""Test getting and setting blocks to BC4Texture"""
@ -110,9 +110,9 @@ class TestBC4Texture(unittest.TestCase):
b = self.tex.tobytes()
for x in range(self.wb):
for y in range(self.hb):
index = (x + (y * self.wb)) * BC4Block.size
index = (x + (y * self.wb)) * BC4Block.nbytes
tb = self.tex[x, y]
fb = BC4Block.frombytes(b[index:index + BC4Block.size])
fb = BC4Block.frombytes(b[index:index + BC4Block.nbytes])
self.assertEqual(tb, blocks[y][x], 'incorrect block read from texture')
self.assertEqual(fb, blocks[y][x], 'incorrect block read from texture bytes')
@ -129,7 +129,7 @@ class TestBC4Texture(unittest.TestCase):
self.assertFalse(mv.readonly, 'buffer is readonly')
self.assertTrue(mv.c_contiguous, 'buffer is not contiguous')
self.assertEqual(mv.nbytes, self.size, 'buffer is the wrong size')
self.assertEqual(mv.nbytes, self.nbytes, 'buffer is the wrong size')
self.assertEqual(mv.format, 'B', 'buffer has the wrong format')
data = b'\xF0\x10\x88\x86\x68\xAC\xCF\xFA' * self.wb * self.hb
@ -149,7 +149,7 @@ class TestBC4Encoder(unittest.TestCase):
"""Test encoder output with 8 value test block"""
out_tex = self.bc4_encoder.encode(BC4Blocks.eight_value.texture)
self.assertEqual(out_tex.dimensions_blocks, (1, 1), 'encoded texture has multiple blocks')
self.assertEqual(out_tex.size_blocks, (1, 1), 'encoded texture has multiple blocks')
out_block = out_tex[0, 0]
@ -174,7 +174,7 @@ class TestBC4Decoder(unittest.TestCase):
in_tex[0, 0] = block
out_tex = self.bc4_decoder.decode(in_tex)
self.assertEqual(out_tex.dimensions, (4, 4), 'decoded texture has incorrect dimensions')
self.assertEqual(out_tex.size, (4, 4), 'decoded texture has incorrect dimensions')
out_img = Image.frombytes('RGBA', (4, 4), out_tex.tobytes())
img_diff = ImageChops.difference(out_img, image).convert('L')

4
tests/test_texture.py
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@ -17,10 +17,10 @@ class TestRawTexture(unittest.TestCase):
def test_size(self):
"""Test byte size and image dimensions"""
self.assertEqual(self.tex.size, self.size, "incorrect texture byte size")
self.assertEqual(self.tex.nbytes, self.size, "incorrect texture byte size")
self.assertEqual(self.tex.width, self.width, "incorrect texture width")
self.assertEqual(self.tex.height, self.height, "incorrect texture height")
self.assertEqual(self.tex.dimensions, (self.width, self.height), "incorrect texture dimensions")
self.assertEqual(self.tex.size, (self.width, self.height), "incorrect texture dimensions")
def test_pixels(self):
"""Test getting and setting pixel values"""

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