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d3dx9: Implement loading luminance/alpha data in D3DXLoadSurfaceFromMemory().

This commit is contained in:
Henri Verbeet 2012-03-08 20:27:12 +01:00 committed by Alexandre Julliard
parent fb79915803
commit 5380572057
3 changed files with 176 additions and 51 deletions
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7
dlls/d3dx9_36/d3dx9_36_private.h
View File

@ -32,6 +32,11 @@
#define ARRAY_SIZE(array) (sizeof(array)/sizeof(*array))
struct vec4
{
float x, y, z, w;
};
/* for internal use */
typedef enum _FormatType {
FORMAT_ARGB, /* unsigned */
@ -44,6 +49,8 @@ typedef struct _PixelFormatDesc {
BYTE shift[4];
UINT bytes_per_pixel;
FormatType type;
void (*from_rgba)(const struct vec4 *src, struct vec4 *dst);
void (*to_rgba)(const struct vec4 *src, struct vec4 *dst);
} PixelFormatDesc;
HRESULT map_view_of_file(LPCWSTR filename, LPVOID *buffer, DWORD *length) DECLSPEC_HIDDEN;

167
dlls/d3dx9_36/surface.c
View File

@ -670,6 +670,57 @@ static DWORD make_argb_color(CONST struct argb_conversion_info *info, CONST DWOR
return val;
}
static void format_to_vec4(const PixelFormatDesc *format, const DWORD *src, struct vec4 *dst)
{
DWORD mask;
if (format->bits[1])
{
mask = (1 << format->bits[1]) - 1;
dst->x = (float)((*src >> format->shift[1]) & mask) / mask;
}
else
dst->x = 1.0f;
if (format->bits[2])
{
mask = (1 << format->bits[2]) - 1;
dst->y = (float)((*src >> format->shift[2]) & mask) / mask;
}
else
dst->y = 1.0f;
if (format->bits[3])
{
mask = (1 << format->bits[3]) - 1;
dst->z = (float)((*src >> format->shift[3]) & mask) / mask;
}
else
dst->z = 1.0f;
if (format->bits[0])
{
mask = (1 << format->bits[0]) - 1;
dst->w = (float)((*src >> format->shift[0]) & mask) / mask;
}
else
dst->w = 1.0f;
}
static void format_from_vec4(const PixelFormatDesc *format, const struct vec4 *src, DWORD *dst)
{
*dst = 0;
if (format->bits[1])
*dst |= (DWORD)(src->x * ((1 << format->bits[1]) - 1) + 0.5f) << format->shift[1];
if (format->bits[2])
*dst |= (DWORD)(src->y * ((1 << format->bits[2]) - 1) + 0.5f) << format->shift[2];
if (format->bits[3])
*dst |= (DWORD)(src->z * ((1 << format->bits[3]) - 1) + 0.5f) << format->shift[3];
if (format->bits[0])
*dst |= (DWORD)(src->w * ((1 << format->bits[0]) - 1) + 0.5f) << format->shift[0];
}
/************************************************************
* copy_simple_data
*
@ -685,6 +736,7 @@ static void copy_simple_data(CONST BYTE *src, UINT srcpitch, POINT srcsize,
D3DCOLOR colorkey)
{
struct argb_conversion_info conv_info, ck_conv_info;
const PixelFormatDesc *ck_format = NULL;
DWORD channels[4], pixel;
UINT minwidth, minheight;
UINT x, y;
@ -695,33 +747,58 @@ static void copy_simple_data(CONST BYTE *src, UINT srcpitch, POINT srcsize,
minwidth = (srcsize.x < destsize.x) ? srcsize.x : destsize.x;
minheight = (srcsize.y < destsize.y) ? srcsize.y : destsize.y;
if(colorkey) {
/* color keys are always represented in D3DFMT_A8R8G8B8 format */
const PixelFormatDesc *ckformatdesc;
ckformatdesc = get_format_info(D3DFMT_A8R8G8B8);
init_argb_conversion_info(srcformat, ckformatdesc, &ck_conv_info);
if (colorkey)
{
/* Color keys are always represented in D3DFMT_A8R8G8B8 format. */
ck_format = get_format_info(D3DFMT_A8R8G8B8);
init_argb_conversion_info(srcformat, ck_format, &ck_conv_info);
}
for(y = 0;y < minheight;y++) {
const BYTE *srcptr = src + y * srcpitch;
BYTE *destptr = dest + y * destpitch;
DWORD val = 0;
DWORD val;
for(x = 0;x < minwidth;x++) {
/* extract source color components */
pixel = dword_from_bytes(srcptr, srcformat->bytes_per_pixel);
get_relevant_argb_components(&conv_info, pixel, channels);
/* recombine the components */
val = make_argb_color(&conv_info, channels);
if (!srcformat->to_rgba && !destformat->from_rgba)
{
get_relevant_argb_components(&conv_info, pixel, channels);
val = make_argb_color(&conv_info, channels);
if(colorkey) {
get_relevant_argb_components(&ck_conv_info, pixel, channels);
pixel = make_argb_color(&ck_conv_info, channels);
if(pixel == colorkey)
/* make this pixel transparent */
val &= ~conv_info.destmask[0];
if (colorkey)
{
get_relevant_argb_components(&ck_conv_info, pixel, channels);
pixel = make_argb_color(&ck_conv_info, channels);
if (pixel == colorkey)
val &= ~conv_info.destmask[0];
}
}
else
{
struct vec4 color, tmp;
format_to_vec4(srcformat, &pixel, &color);
if (srcformat->to_rgba)
srcformat->to_rgba(&color, &tmp);
else
tmp = color;
if (ck_format)
{
format_from_vec4(ck_format, &tmp, &pixel);
if (pixel == colorkey)
tmp.w = 0.0f;
}
if (destformat->from_rgba)
destformat->from_rgba(&tmp, &color);
else
color = tmp;
format_from_vec4(destformat, &color, &val);
}
dword_to_bytes(destptr, val, destformat->bytes_per_pixel);
@ -751,6 +828,7 @@ static void point_filter_simple_data(CONST BYTE *src, UINT srcpitch, POINT srcsi
D3DCOLOR colorkey)
{
struct argb_conversion_info conv_info, ck_conv_info;
const PixelFormatDesc *ck_format = NULL;
DWORD channels[4], pixel;
UINT x, y;
@ -758,12 +836,11 @@ static void point_filter_simple_data(CONST BYTE *src, UINT srcpitch, POINT srcsi
ZeroMemory(channels, sizeof(channels));
init_argb_conversion_info(srcformat, destformat, &conv_info);
if(colorkey) {
/* color keys are always represented in D3DFMT_A8R8G8B8 format */
const PixelFormatDesc *ckformatdesc;
ckformatdesc = get_format_info(D3DFMT_A8R8G8B8);
init_argb_conversion_info(srcformat, ckformatdesc, &ck_conv_info);
if (colorkey)
{
/* Color keys are always represented in D3DFMT_A8R8G8B8 format. */
ck_format = get_format_info(D3DFMT_A8R8G8B8);
init_argb_conversion_info(srcformat, ck_format, &ck_conv_info);
}
for(y = 0;y < destsize.y;y++) {
@ -772,21 +849,47 @@ static void point_filter_simple_data(CONST BYTE *src, UINT srcpitch, POINT srcsi
for(x = 0;x < destsize.x;x++) {
const BYTE *srcptr = bufptr + (x * srcsize.x / destsize.x) * srcformat->bytes_per_pixel;
DWORD val = 0;
DWORD val;
/* extract source color components */
pixel = dword_from_bytes(srcptr, srcformat->bytes_per_pixel);
get_relevant_argb_components(&conv_info, pixel, channels);
/* recombine the components */
val = make_argb_color(&conv_info, channels);
if (!srcformat->to_rgba && !destformat->from_rgba)
{
get_relevant_argb_components(&conv_info, pixel, channels);
val = make_argb_color(&conv_info, channels);
if(colorkey) {
get_relevant_argb_components(&ck_conv_info, pixel, channels);
pixel = make_argb_color(&ck_conv_info, channels);
if(pixel == colorkey)
/* make this pixel transparent */
val &= ~conv_info.destmask[0];
if (colorkey)
{
get_relevant_argb_components(&ck_conv_info, pixel, channels);
pixel = make_argb_color(&ck_conv_info, channels);
if (pixel == colorkey)
val &= ~conv_info.destmask[0];
}
}
else
{
struct vec4 color, tmp;
format_to_vec4(srcformat, &pixel, &color);
if (srcformat->to_rgba)
srcformat->to_rgba(&color, &tmp);
else
tmp = color;
if (ck_format)
{
format_from_vec4(ck_format, &tmp, &pixel);
if (pixel == colorkey)
tmp.w = 0.0f;
}
if (destformat->from_rgba)
destformat->from_rgba(&tmp, &color);
else
color = tmp;
format_from_vec4(destformat, &color, &val);
}
dword_to_bytes(destptr, val, destformat->bytes_per_pixel);

53
dlls/d3dx9_36/util.c
View File

@ -22,6 +22,20 @@
WINE_DEFAULT_DEBUG_CHANNEL(d3dx);
static void la_from_rgba(const struct vec4 *rgba, struct vec4 *la)
{
la->x = rgba->x * 0.2125f + rgba->y * 0.7154f + rgba->z * 0.0721f;
la->w = rgba->w;
}
static void la_to_rgba(const struct vec4 *la, struct vec4 *rgba)
{
rgba->x = la->x;
rgba->y = la->x;
rgba->z = la->x;
rgba->w = la->w;
}
/************************************************************
* pixel format table providing info about number of bytes per pixel,
* number of bits per channel and format type.
@ -30,25 +44,26 @@ WINE_DEFAULT_DEBUG_CHANNEL(d3dx);
*/
static const PixelFormatDesc formats[] =
{
/* format bits per channel shifts per channel bpp type */
{ D3DFMT_R8G8B8, { 0, 8, 8, 8 }, { 0, 16, 8, 0 }, 3, FORMAT_ARGB },
{ D3DFMT_A8R8G8B8, { 8, 8, 8, 8 }, { 24, 16, 8, 0 }, 4, FORMAT_ARGB },
{ D3DFMT_X8R8G8B8, { 0, 8, 8, 8 }, { 0, 16, 8, 0 }, 4, FORMAT_ARGB },
{ D3DFMT_A8B8G8R8, { 8, 8, 8, 8 }, { 24, 0, 8, 16 }, 4, FORMAT_ARGB },
{ D3DFMT_X8B8G8R8, { 0, 8, 8, 8 }, { 0, 0, 8, 16 }, 4, FORMAT_ARGB },
{ D3DFMT_R5G6B5, { 0, 5, 6, 5 }, { 0, 11, 5, 0 }, 2, FORMAT_ARGB },
{ D3DFMT_X1R5G5B5, { 0, 5, 5, 5 }, { 0, 10, 5, 0 }, 2, FORMAT_ARGB },
{ D3DFMT_A1R5G5B5, { 1, 5, 5, 5 }, { 15, 10, 5, 0 }, 2, FORMAT_ARGB },
{ D3DFMT_R3G3B2, { 0, 3, 3, 2 }, { 0, 5, 2, 0 }, 1, FORMAT_ARGB },
{ D3DFMT_A8R3G3B2, { 8, 3, 3, 2 }, { 8, 5, 2, 0 }, 2, FORMAT_ARGB },
{ D3DFMT_A4R4G4B4, { 4, 4, 4, 4 }, { 12, 8, 4, 0 }, 2, FORMAT_ARGB },
{ D3DFMT_X4R4G4B4, { 0, 4, 4, 4 }, { 0, 8, 4, 0 }, 2, FORMAT_ARGB },
{ D3DFMT_A2R10G10B10, { 2, 10, 10, 10 }, { 30, 20, 10, 0 }, 4, FORMAT_ARGB },
{ D3DFMT_A2B10G10R10, { 2, 10, 10, 10 }, { 30, 0, 10, 20 }, 4, FORMAT_ARGB },
{ D3DFMT_G16R16, { 0, 16, 16, 0 }, { 0, 0, 16, 0 }, 4, FORMAT_ARGB },
{ D3DFMT_A8, { 8, 0, 0, 0 }, { 0, 0, 0, 0 }, 1, FORMAT_ARGB },
{ D3DFMT_UNKNOWN, { 0, 0, 0, 0 }, { 0, 0, 0, 0 }, 0, FORMAT_UNKNOWN }, /* marks last element */
/* format bpc shifts bpp type from_rgba to_rgba */
{D3DFMT_R8G8B8, {0, 8, 8, 8}, { 0, 16, 8, 0}, 3, FORMAT_ARGB, NULL, NULL },
{D3DFMT_A8R8G8B8, {8, 8, 8, 8}, {24, 16, 8, 0}, 4, FORMAT_ARGB, NULL, NULL },
{D3DFMT_X8R8G8B8, {0, 8, 8, 8}, { 0, 16, 8, 0}, 4, FORMAT_ARGB, NULL, NULL },
{D3DFMT_A8B8G8R8, {8, 8, 8, 8}, {24, 0, 8, 16}, 4, FORMAT_ARGB, NULL, NULL },
{D3DFMT_X8B8G8R8, {0, 8, 8, 8}, { 0, 0, 8, 16}, 4, FORMAT_ARGB, NULL, NULL },
{D3DFMT_R5G6B5, {0, 5, 6, 5}, { 0, 11, 5, 0}, 2, FORMAT_ARGB, NULL, NULL },
{D3DFMT_X1R5G5B5, {0, 5, 5, 5}, { 0, 10, 5, 0}, 2, FORMAT_ARGB, NULL, NULL },
{D3DFMT_A1R5G5B5, {1, 5, 5, 5}, {15, 10, 5, 0}, 2, FORMAT_ARGB, NULL, NULL },
{D3DFMT_R3G3B2, {0, 3, 3, 2}, { 0, 5, 2, 0}, 1, FORMAT_ARGB, NULL, NULL },
{D3DFMT_A8R3G3B2, {8, 3, 3, 2}, { 8, 5, 2, 0}, 2, FORMAT_ARGB, NULL, NULL },
{D3DFMT_A4R4G4B4, {4, 4, 4, 4}, {12, 8, 4, 0}, 2, FORMAT_ARGB, NULL, NULL },
{D3DFMT_X4R4G4B4, {0, 4, 4, 4}, { 0, 8, 4, 0}, 2, FORMAT_ARGB, NULL, NULL },
{D3DFMT_A2R10G10B10, {2, 10, 10, 10}, {30, 20, 10, 0}, 4, FORMAT_ARGB, NULL, NULL },
{D3DFMT_A2B10G10R10, {2, 10, 10, 10}, {30, 0, 10, 20}, 4, FORMAT_ARGB, NULL, NULL },
{D3DFMT_G16R16, {0, 16, 16, 0}, { 0, 0, 16, 0}, 4, FORMAT_ARGB, NULL, NULL },
{D3DFMT_A8, {8, 0, 0, 0}, { 0, 0, 0, 0}, 1, FORMAT_ARGB, NULL, NULL },
{D3DFMT_A8L8, {8, 8, 0, 0}, { 8, 0, 0, 0}, 2, FORMAT_ARGB, la_from_rgba, la_to_rgba},
/* marks last element */
{D3DFMT_UNKNOWN, {0, 0, 0, 0}, { 0, 0, 0, 0}, 0, FORMAT_UNKNOWN, NULL, NULL },
};