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-rw-r--r--OpenAL32/alBuffer.c121
1 files changed, 109 insertions, 12 deletions
diff --git a/OpenAL32/alBuffer.c b/OpenAL32/alBuffer.c
index ac755688..1c9b2650 100644
--- a/OpenAL32/alBuffer.c
+++ b/OpenAL32/alBuffer.c
@@ -45,7 +45,7 @@ extern inline struct ALbuffer *RemoveBuffer(ALCdevice *device, ALuint id);
extern inline ALsizei FrameSizeFromUserFmt(enum UserFmtChannels chans, enum UserFmtType type);
extern inline ALsizei FrameSizeFromFmt(enum FmtChannels chans, enum FmtType type);
-static ALenum LoadData(ALbuffer *buffer, ALuint freq, ALenum NewFormat, ALsizei frames, enum UserFmtChannels SrcChannels, enum UserFmtType SrcType, const ALvoid *data, ALsizei align, ALboolean storesrc);
+static ALenum LoadData(ALbuffer *buffer, ALuint freq, ALenum NewFormat, ALsizei frames, enum UserFmtChannels SrcChannels, enum UserFmtType SrcType, const ALvoid *data, ALsizei align, ALbitfieldSOFT access, ALboolean storesrc);
static ALboolean IsValidType(ALenum type);
static ALboolean IsValidChannels(ALenum channels);
static ALboolean DecomposeUserFormat(ALenum format, enum UserFmtChannels *chans, enum UserFmtType *type);
@@ -53,6 +53,11 @@ static ALboolean DecomposeFormat(ALenum format, enum FmtChannels *chans, enum Fm
static ALsizei SanitizeAlignment(enum UserFmtType type, ALsizei align);
+#define FORMAT_MASK 0x00ffffff
+#define ACCESS_FLAGS (AL_MAP_READ_BIT_SOFT | AL_MAP_WRITE_BIT_SOFT)
+#define INVALID_FLAG_MASK ~(FORMAT_MASK | ACCESS_FLAGS)
+
+
AL_API ALvoid AL_APIENTRY alGenBuffers(ALsizei n, ALuint *buffers)
{
ALCcontext *context;
@@ -157,9 +162,9 @@ AL_API ALvoid AL_APIENTRY alBufferData(ALuint buffer, ALenum format, const ALvoi
LockBuffersRead(device);
if((albuf=LookupBuffer(device, buffer)) == NULL)
SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, done);
- if(!(size >= 0 && freq > 0))
+ if(!(size >= 0 && freq > 0) || (format&INVALID_FLAG_MASK) != 0)
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
- if(DecomposeUserFormat(format, &srcchannels, &srctype) == AL_FALSE)
+ if(DecomposeUserFormat(format&FORMAT_MASK, &srcchannels, &srctype) == AL_FALSE)
SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
align = SanitizeAlignment(srctype, ATOMIC_LOAD_SEQ(&albuf->UnpackAlign));
@@ -178,8 +183,9 @@ AL_API ALvoid AL_APIENTRY alBufferData(ALuint buffer, ALenum format, const ALvoi
if((size%framesize) != 0)
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
- err = LoadData(albuf, freq, format, size/framesize*align,
- srcchannels, srctype, data, align, AL_TRUE);
+ err = LoadData(albuf, freq, format&FORMAT_MASK, size/framesize*align,
+ srcchannels, srctype, data, align, format&ACCESS_FLAGS,
+ AL_TRUE);
if(err != AL_NO_ERROR)
SET_ERROR_AND_GOTO(context, err, done);
break;
@@ -204,7 +210,8 @@ AL_API ALvoid AL_APIENTRY alBufferData(ALuint buffer, ALenum format, const ALvoi
case UserFmtBFormat3D: newformat = AL_FORMAT_BFORMAT3D_FLOAT32; break;
}
err = LoadData(albuf, freq, newformat, size/framesize*align,
- srcchannels, srctype, data, align, AL_TRUE);
+ srcchannels, srctype, data, align, format&ACCESS_FLAGS,
+ AL_TRUE);
if(err != AL_NO_ERROR)
SET_ERROR_AND_GOTO(context, err, done);
break;
@@ -228,7 +235,8 @@ AL_API ALvoid AL_APIENTRY alBufferData(ALuint buffer, ALenum format, const ALvoi
case UserFmtBFormat3D: newformat = AL_FORMAT_BFORMAT3D_16; break;
}
err = LoadData(albuf, freq, newformat, size/framesize*align,
- srcchannels, srctype, data, align, AL_TRUE);
+ srcchannels, srctype, data, align, format&ACCESS_FLAGS,
+ AL_TRUE);
if(err != AL_NO_ERROR)
SET_ERROR_AND_GOTO(context, err, done);
break;
@@ -252,7 +260,8 @@ AL_API ALvoid AL_APIENTRY alBufferData(ALuint buffer, ALenum format, const ALvoi
case UserFmtBFormat3D: newformat = AL_FORMAT_BFORMAT3D_16; break;
}
err = LoadData(albuf, freq, newformat, size/framesize*align,
- srcchannels, srctype, data, align, AL_TRUE);
+ srcchannels, srctype, data, align, format&ACCESS_FLAGS,
+ AL_TRUE);
if(err != AL_NO_ERROR)
SET_ERROR_AND_GOTO(context, err, done);
break;
@@ -263,6 +272,80 @@ done:
ALCcontext_DecRef(context);
}
+AL_API void* AL_APIENTRY alMapBufferSOFT(ALuint buffer, ALsizei offset, ALsizei length, ALbitfieldSOFT access)
+{
+ void *retval = NULL;
+ ALCdevice *device;
+ ALCcontext *context;
+ ALbuffer *albuf;
+
+ context = GetContextRef();
+ if(!context) return retval;
+
+ device = context->Device;
+ LockBuffersRead(device);
+ if((albuf=LookupBuffer(device, buffer)) == NULL)
+ SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, done);
+ if(!access || (access&~(AL_MAP_READ_BIT_SOFT|AL_MAP_WRITE_BIT_SOFT)) != 0)
+ SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
+ WriteLock(&albuf->lock);
+ if(((access&AL_MAP_READ_BIT_SOFT) && !(albuf->Access&AL_MAP_READ_BIT_SOFT)) ||
+ ((access&AL_MAP_WRITE_BIT_SOFT) && !(albuf->Access&AL_MAP_WRITE_BIT_SOFT)))
+ {
+ WriteUnlock(&albuf->lock);
+ SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
+ }
+ if(offset < 0 || offset >= albuf->OriginalSize ||
+ length <= 0 || length > albuf->OriginalSize - offset)
+ {
+ WriteUnlock(&albuf->lock);
+ SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
+ }
+ if(ReadRef(&albuf->ref) != 0 || albuf->MappedAccess != 0)
+ {
+ WriteUnlock(&albuf->lock);
+ SET_ERROR_AND_GOTO(context, AL_INVALID_OPERATION, done);
+ }
+
+ retval = (ALbyte*)albuf->data + offset;
+ albuf->MappedAccess = access;
+ if((access&AL_MAP_WRITE_BIT_SOFT) && !(access&AL_MAP_READ_BIT_SOFT))
+ memset(retval, 0x55, length);
+ WriteUnlock(&albuf->lock);
+
+done:
+ UnlockBuffersRead(device);
+ ALCcontext_DecRef(context);
+
+ return retval;
+}
+
+AL_API void AL_APIENTRY alUnmapBufferSOFT(ALuint buffer)
+{
+ ALCdevice *device;
+ ALCcontext *context;
+ ALbuffer *albuf;
+
+ context = GetContextRef();
+ if(!context) return;
+
+ device = context->Device;
+ LockBuffersRead(device);
+ if((albuf=LookupBuffer(device, buffer)) == NULL)
+ SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, done);
+
+ WriteLock(&albuf->lock);
+ if(albuf->MappedAccess == 0)
+ alSetError(context, AL_INVALID_OPERATION);
+ else
+ albuf->MappedAccess = 0;
+ WriteUnlock(&albuf->lock);
+
+done:
+ UnlockBuffersRead(device);
+ ALCcontext_DecRef(context);
+}
+
AL_API ALvoid AL_APIENTRY alBufferSubDataSOFT(ALuint buffer, ALenum format, const ALvoid *data, ALsizei offset, ALsizei length)
{
enum UserFmtChannels srcchannels = UserFmtMono;
@@ -304,6 +387,11 @@ AL_API ALvoid AL_APIENTRY alBufferSubDataSOFT(ALuint buffer, ALenum format, cons
WriteUnlock(&albuf->lock);
SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
}
+ if(albuf->MappedAccess != 0)
+ {
+ WriteUnlock(&albuf->lock);
+ SET_ERROR_AND_GOTO(context, AL_INVALID_OPERATION, done);
+ }
if(albuf->OriginalType == UserFmtIMA4)
{
@@ -362,7 +450,7 @@ AL_API void AL_APIENTRY alBufferSamplesSOFT(ALuint buffer,
LockBuffersRead(device);
if((albuf=LookupBuffer(device, buffer)) == NULL)
SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, done);
- if(!(samples >= 0 && samplerate != 0))
+ if(!(samples >= 0 && samplerate != 0) || (internalformat&~FORMAT_MASK) != 0)
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
if(IsValidType(type) == AL_FALSE || IsValidChannels(channels) == AL_FALSE)
SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
@@ -374,7 +462,7 @@ AL_API void AL_APIENTRY alBufferSamplesSOFT(ALuint buffer,
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
err = LoadData(albuf, samplerate, internalformat, samples,
- channels, type, data, align, AL_FALSE);
+ channels, type, data, align, 0, AL_FALSE);
if(err != AL_NO_ERROR)
SET_ERROR_AND_GOTO(context, err, done);
@@ -956,7 +1044,7 @@ done:
* Currently, the new format must have the same channel configuration as the
* original format.
*/
-static ALenum LoadData(ALbuffer *ALBuf, ALuint freq, ALenum NewFormat, ALsizei frames, enum UserFmtChannels SrcChannels, enum UserFmtType SrcType, const ALvoid *data, ALsizei align, ALboolean storesrc)
+static ALenum LoadData(ALbuffer *ALBuf, ALuint freq, ALenum NewFormat, ALsizei frames, enum UserFmtChannels SrcChannels, enum UserFmtType SrcType, const ALvoid *data, ALsizei align, ALbitfieldSOFT access, ALboolean storesrc)
{
enum FmtChannels DstChannels = FmtMono;
enum FmtType DstType = FmtUByte;
@@ -968,6 +1056,12 @@ static ALenum LoadData(ALbuffer *ALBuf, ALuint freq, ALenum NewFormat, ALsizei f
if((long)SrcChannels != (long)DstChannels)
return AL_INVALID_ENUM;
+ if(access != 0)
+ {
+ if(!storesrc || (long)SrcType != (long)DstType)
+ return AL_INVALID_VALUE;
+ }
+
NewChannels = ChannelsFromFmt(DstChannels);
NewBytes = BytesFromFmt(DstType);
@@ -978,7 +1072,7 @@ static ALenum LoadData(ALbuffer *ALBuf, ALuint freq, ALenum NewFormat, ALsizei f
return AL_OUT_OF_MEMORY;
WriteLock(&ALBuf->lock);
- if(ReadRef(&ALBuf->ref) != 0)
+ if(ReadRef(&ALBuf->ref) != 0 || ALBuf->MappedAccess != 0)
{
WriteUnlock(&ALBuf->lock);
return AL_INVALID_OPERATION;
@@ -1041,6 +1135,7 @@ static ALenum LoadData(ALbuffer *ALBuf, ALuint freq, ALenum NewFormat, ALsizei f
ALBuf->FmtChannels = DstChannels;
ALBuf->FmtType = DstType;
ALBuf->Format = NewFormat;
+ ALBuf->Access = access;
ALBuf->SampleLen = frames;
ALBuf->LoopStart = 0;
@@ -1346,6 +1441,8 @@ ALbuffer *NewBuffer(ALCcontext *context)
if(!buffer)
SET_ERROR_AND_RETURN_VALUE(context, AL_OUT_OF_MEMORY, NULL);
RWLockInit(&buffer->lock);
+ buffer->Access = 0;
+ buffer->MappedAccess = 0;
err = NewThunkEntry(&buffer->id);
if(err == AL_NO_ERROR)
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-02 12:32:18 +0000