ReceiveTempSMS
/
Sweden-Number
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

windowscodecs/tests: Merge decode_bc*() into a single function. 

Signed-off-by: Ziqing Hui <zhui@codeweavers.com>
Signed-off-by: Esme Povirk <esme@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Ziqing Hui 2020-08-19 10:03:37 +08:00 committed by Alexandre Julliard
parent 8e59928778
commit b447bd97e5
1 changed files with 79 additions and 127 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

206
dlls/windowscodecs/tests/ddsformat.c
View File

@ -542,67 +542,33 @@ static DWORD rgb565_to_argb(WORD color, BYTE alpha)
(GET_RGB565_B(color) * 0xFF + 0x0F) / 0x1F);
}
static void decode_bc1(const BYTE *blocks, UINT block_count, UINT width, UINT height, DWORD *buffer)
static void decode_block(const BYTE *block_data, UINT block_count, DXGI_FORMAT format,
UINT width, UINT height, DWORD *buffer)
{
static const UINT BLOCK_SIZE = 8;
const BYTE *block, *color_indices, *alpha_indices, *alpha_table;
int i, j, x, y, block_x, block_y, color_index, alpha_index;
int block_size, color_offset, color_indices_offset;
WORD color[4], color_value = 0;
BYTE alpha[8], alpha_value = 0;
UINT stride = (width + 3) / 4 * 4;
int i, j, color_index, pixel_index = 0;
const BYTE *block, *color_indices;
DWORD *pixel = buffer;
BOOL has_alpha;
WORD color[4];
for (i = 0; i < block_count; i++)
{
block = blocks + i * BLOCK_SIZE;
color[0] = *((WORD *)block);
color[1] = *((WORD *)block + 1);
has_alpha = color[0] <= color[1];
if (has_alpha) {
color[2] = MAKE_RGB565(((GET_RGB565_R(color[0]) + GET_RGB565_R(color[1]) + 1) / 2),
((GET_RGB565_G(color[0]) + GET_RGB565_G(color[1]) + 1) / 2),
((GET_RGB565_B(color[0]) + GET_RGB565_B(color[1]) + 1) / 2));
color[3] = 0;
} else {
color[2] = MAKE_RGB565(((GET_RGB565_R(color[0]) * 2 + GET_RGB565_R(color[1]) + 1) / 3),
((GET_RGB565_G(color[0]) * 2 + GET_RGB565_G(color[1]) + 1) / 3),
((GET_RGB565_B(color[0]) * 2 + GET_RGB565_B(color[1]) + 1) / 3));
color[3] = MAKE_RGB565(((GET_RGB565_R(color[0]) + GET_RGB565_R(color[1]) * 2 + 1) / 3),
((GET_RGB565_G(color[0]) + GET_RGB565_G(color[1]) * 2 + 1) / 3),
((GET_RGB565_B(color[0]) + GET_RGB565_B(color[1]) * 2 + 1) / 3));
}
color_indices = block + 4;
for (j = 0; j < 16; j++, pixel_index++)
{
if ((pixel_index % stride >= width) ||
(pixel_index / stride >= height)) continue;
color_index = (color_indices[j / 4] >> ((j % 4) * 2)) & 0x3;
*pixel = (has_alpha && !color[color_index])? 0: rgb565_to_argb(color[color_index], 0xFF);
pixel++;
}
if (format == DXGI_FORMAT_BC1_UNORM) {
block_size = 8;
color_offset = 0;
color_indices_offset = 4;
} else {
block_size = 16;
color_offset = 8;
color_indices_offset = 12;
}
}
static void decode_bc2(const BYTE *blocks, UINT block_count, UINT width, UINT height, DWORD *buffer)
{
static const UINT BLOCK_SIZE = 16;
int i, j, alpha, color_index, block_x, block_y, x, y;
const BYTE *block, *color_indices, *alpha_table;
WORD color[4];
block_x = 0;
block_y = 0;
for (i = 0; i < block_count; i++)
{
block = blocks + i * BLOCK_SIZE;
block = block_data + i * block_size;
color[0] = *((WORD *)(block + 8));
color[1] = *((WORD *)(block + 10));
color[0] = *((WORD *)(block + color_offset));
color[1] = *((WORD *)(block + color_offset + 2));
color[2] = MAKE_RGB565(((GET_RGB565_R(color[0]) * 2 + GET_RGB565_R(color[1]) + 1) / 3),
((GET_RGB565_G(color[0]) * 2 + GET_RGB565_G(color[1]) + 1) / 3),
((GET_RGB565_B(color[0]) * 2 + GET_RGB565_B(color[1]) + 1) / 3));
@ -610,76 +576,73 @@ static void decode_bc2(const BYTE *blocks, UINT block_count, UINT width, UINT he
((GET_RGB565_G(color[0]) + GET_RGB565_G(color[1]) * 2 + 1) / 3),
((GET_RGB565_B(color[0]) + GET_RGB565_B(color[1]) * 2 + 1) / 3));
alpha_table = block;
color_indices = block + 12;
switch (format)
{
case DXGI_FORMAT_BC1_UNORM:
if (color[0] <= color[1]) {
color[2] = MAKE_RGB565(((GET_RGB565_R(color[0]) + GET_RGB565_R(color[1]) + 1) / 2),
((GET_RGB565_G(color[0]) + GET_RGB565_G(color[1]) + 1) / 2),
((GET_RGB565_B(color[0]) + GET_RGB565_B(color[1]) + 1) / 2));
color[3] = 0;
}
break;
case DXGI_FORMAT_BC2_UNORM:
alpha_table = block;
break;
case DXGI_FORMAT_BC3_UNORM:
alpha[0] = *block;
alpha[1] = *(block + 1);
if (alpha[0] > alpha[1]) {
for (j = 2; j < 8; j++)
{
alpha[j] = (BYTE)((alpha[0] * (8 - j) + alpha[1] * (j - 1) + 3) / 7);
}
} else {
for (j = 2; j < 6; j++)
{
alpha[j] = (BYTE)((alpha[0] * (6 - j) + alpha[1] * (j - 1) + 2) / 5);
}
alpha[6] = 0;
alpha[7] = 0xFF;
}
alpha_indices = block + 2;
break;
default:
break;
}
color_indices = block + color_indices_offset;
for (j = 0; j < 16; j++)
{
x = block_x + j % 4;
y = block_y + j / 4;
if (x >= width || y >= height) continue;
alpha = (alpha_table[j / 2] >> (j % 2) * 4) & 0xF;
color_index = (color_indices[j / 4] >> ((j % 4) * 2)) & 0x3;
buffer[x + y * width] = rgb565_to_argb(color[color_index], (BYTE)((alpha * 0xFF + 0x7)/ 0xF));
}
block_x += 4;
if (block_x >= width) {
block_x = 0;
block_y += 4;
}
}
}
color_value = color[color_index];
static void decode_bc3(const BYTE *block_data, UINT block_count, UINT width, UINT height, DWORD *buffer)
{
static const UINT BLOCK_SIZE = 16;
int i, j, color_index, alpha_index, block_x, block_y, x, y;
const BYTE *block, *color_indices, *alpha_indices;
WORD color[4];
BYTE alpha[8];
block_x = 0;
block_y = 0;
for (i = 0; i < block_count; i++)
{
block = block_data + i * BLOCK_SIZE;
color[0] = *((WORD *)(block + 8));
color[1] = *((WORD *)(block + 10));
color[2] = MAKE_RGB565(((GET_RGB565_R(color[0]) * 2 + GET_RGB565_R(color[1]) + 1) / 3),
((GET_RGB565_G(color[0]) * 2 + GET_RGB565_G(color[1]) + 1) / 3),
((GET_RGB565_B(color[0]) * 2 + GET_RGB565_B(color[1]) + 1) / 3));
color[3] = MAKE_RGB565(((GET_RGB565_R(color[0]) + GET_RGB565_R(color[1]) * 2 + 1) / 3),
((GET_RGB565_G(color[0]) + GET_RGB565_G(color[1]) * 2 + 1) / 3),
((GET_RGB565_B(color[0]) + GET_RGB565_B(color[1]) * 2 + 1) / 3));
alpha[0] = *block;
alpha[1] = *(block + 1);
if (alpha[0] > alpha[1]) {
for (j = 2; j < 8; j++)
switch (format)
{
alpha[j] = (BYTE)((alpha[0] * (8 - j) + alpha[1] * (j - 1) + 3) / 7);
case DXGI_FORMAT_BC1_UNORM:
if ((color[0] <= color[1]) && !color_value) {
color_value = 0;
alpha_value = 0;
} else {
alpha_value = 0xFF;
}
break;
case DXGI_FORMAT_BC2_UNORM:
alpha_value = (alpha_table[j / 2] >> (j % 2) * 4) & 0xF;
alpha_value = (BYTE)((alpha_value * 0xFF + 0x7)/ 0xF);
break;
case DXGI_FORMAT_BC3_UNORM:
alpha_index = (*((DWORD *)(alpha_indices + (j / 8) * 3)) >> ((j % 8) * 3)) & 0x7;
alpha_value = alpha[alpha_index];
break;
default:
break;
}
} else {
for (j = 2; j < 6; j++)
{
alpha[j] = (BYTE)((alpha[0] * (6 - j) + alpha[1] * (j - 1) + 2) / 5);
}
alpha[6] = 0;
alpha[7] = 0xFF;
}
alpha_indices = block + 2;
color_indices = block + 12;
for (j = 0; j < 16; j++)
{
x = block_x + j % 4;
y = block_y + j / 4;
if (x >= width || y >= height) continue;
alpha_index = (*((DWORD *)(alpha_indices + (j / 8) * 3)) >> ((j % 8) * 3)) & 0x7;
color_index = (color_indices[j / 4] >> ((j % 4) * 2)) & 0x3;
buffer[x + y * width] = rgb565_to_argb(color[color_index], alpha[alpha_index]);
buffer[x + y * width] = rgb565_to_argb(color_value, alpha_value);
}
block_x += 4;
@ -1143,20 +1106,9 @@ static void test_dds_decoder_frame_data(IWICBitmapFrameDecode* frame, IWICDdsFra
if (format_info.DxgiFormat == DXGI_FORMAT_BC1_UNORM ||
format_info.DxgiFormat == DXGI_FORMAT_BC2_UNORM ||
format_info.DxgiFormat == DXGI_FORMAT_BC3_UNORM ) {
switch (format_info.DxgiFormat)
{
case DXGI_FORMAT_BC1_UNORM:
decode_bc1(test_data[i].data + block_offset, width_in_blocks * height_in_blocks, frame_width, frame_height, pixels);
break;
case DXGI_FORMAT_BC2_UNORM:
decode_bc2(test_data[i].data + block_offset, width_in_blocks * height_in_blocks, frame_width, frame_height, pixels);
break;
case DXGI_FORMAT_BC3_UNORM:
decode_bc3(test_data[i].data + block_offset, width_in_blocks * height_in_blocks, frame_width, frame_height, pixels);
break;
default:
break;
}
decode_block(test_data[i].data + block_offset, width_in_blocks * height_in_blocks,
format_info.DxgiFormat, frame_width, frame_height, pixels);
hr = IWICBitmapFrameDecode_CopyPixels(frame, &rect, stride, sizeof(buffer), buffer);
ok(hr == S_OK, "Test %u, frame %u: CopyPixels failed, hr %#x\n", i, frame_index, hr);