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Use ptrdiff types for databuffer offset/length handling

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Should improve addressing for non-32-bit systems
This commit is contained in:
Chris Robinson 2010-03-18 14:46:33 -07:00
parent e1965fe7d9
commit 2355d6a4a0
4 changed files with 42 additions and 33 deletions
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18
OpenAL32/Include/alDatabuffer.h
View File

@ -12,14 +12,14 @@ extern "C" {
typedef struct ALdatabuffer
{
ALubyte *data;
ALuint size;
ALenum state;
ALubyte *data;
ALintptrEXT size;
ALenum usage;
ALenum state;
ALenum usage;
/* Index to self */
ALuint databuffer;
ALuint databuffer;
struct ALdatabuffer *next;
} ALdatabuffer;
@ -28,9 +28,9 @@ ALvoid ALAPIENTRY alGenDatabuffersEXT(ALsizei n,ALuint *puiBuffers);
ALvoid ALAPIENTRY alDeleteDatabuffersEXT(ALsizei n, const ALuint *puiBuffers);
ALboolean ALAPIENTRY alIsDatabufferEXT(ALuint uiBuffer);
ALvoid ALAPIENTRY alDatabufferDataEXT(ALuint buffer,const ALvoid *data,ALsizei size,ALenum usage);
ALvoid ALAPIENTRY alDatabufferSubDataEXT(ALuint buffer, ALuint start, ALsizei length, const ALvoid *data);
ALvoid ALAPIENTRY alGetDatabufferSubDataEXT(ALuint buffer, ALuint start, ALsizei length, ALvoid *data);
ALvoid ALAPIENTRY alDatabufferDataEXT(ALuint buffer,const ALvoid *data,ALsizeiptrEXT size,ALenum usage);
ALvoid ALAPIENTRY alDatabufferSubDataEXT(ALuint buffer, ALintptrEXT start, ALsizeiptrEXT length, const ALvoid *data);
ALvoid ALAPIENTRY alGetDatabufferSubDataEXT(ALuint buffer, ALintptrEXT start, ALsizeiptrEXT length, ALvoid *data);
ALvoid ALAPIENTRY alDatabufferfEXT(ALuint buffer, ALenum eParam, ALfloat flValue);
ALvoid ALAPIENTRY alDatabufferfvEXT(ALuint buffer, ALenum eParam, const ALfloat* flValues);
@ -43,7 +43,7 @@ ALvoid ALAPIENTRY alGetDatabufferivEXT(ALuint buffer, ALenum eParam, ALint* plVa
ALvoid ALAPIENTRY alSelectDatabufferEXT(ALenum target, ALuint uiBuffer);
ALvoid* ALAPIENTRY alMapDatabufferEXT(ALuint uiBuffer, ALuint start, ALsizei length, ALenum access);
ALvoid* ALAPIENTRY alMapDatabufferEXT(ALuint uiBuffer, ALintptrEXT start, ALsizeiptrEXT length, ALenum access);
ALvoid ALAPIENTRY alUnmapDatabufferEXT(ALuint uiBuffer);
ALvoid ReleaseALDatabuffers(ALCdevice *device);

8
OpenAL32/alBuffer.c
View File

@ -276,7 +276,7 @@ ALAPI ALvoid ALAPIENTRY alBufferData(ALuint buffer,ALenum format,const ALvoid *d
{
if(Context->SampleSource)
{
ALuint offset;
ALintptrEXT offset;
if(Context->SampleSource->state == MAPPED)
{
@ -285,7 +285,7 @@ ALAPI ALvoid ALAPIENTRY alBufferData(ALuint buffer,ALenum format,const ALvoid *d
return;
}
offset = (ALuint)data;
offset = (ALintptrEXT)data;
data = Context->SampleSource->data + offset;
}
@ -525,7 +525,7 @@ ALvoid ALAPIENTRY alBufferSubDataEXT(ALuint buffer,ALenum format,const ALvoid *d
{
if(Context->SampleSource)
{
ALuint offset;
ALintptrEXT offset;
if(Context->SampleSource->state == MAPPED)
{
@ -534,7 +534,7 @@ ALvoid ALAPIENTRY alBufferSubDataEXT(ALuint buffer,ALenum format,const ALvoid *d
return;
}
offset = (ALuint)data;
offset = (ALintptrEXT)data;
data = Context->SampleSource->data + offset;
}

37
OpenAL32/alDatabuffer.c
View File

@ -202,7 +202,7 @@ ALboolean ALAPIENTRY alIsDatabufferEXT(ALuint uiBuffer)
*
* Fill databuffer with data
*/
ALvoid ALAPIENTRY alDatabufferDataEXT(ALuint buffer,const ALvoid *data,ALsizei size,ALenum usage)
ALvoid ALAPIENTRY alDatabufferDataEXT(ALuint buffer,const ALvoid *data,ALsizeiptrEXT size,ALenum usage)
{
ALCcontext *Context;
ALdatabuffer *ALBuf;
@ -223,18 +223,23 @@ ALvoid ALAPIENTRY alDatabufferDataEXT(ALuint buffer,const ALvoid *data,ALsizei s
usage == AL_DYNAMIC_WRITE_EXT || usage == AL_DYNAMIC_READ_EXT ||
usage == AL_DYNAMIC_COPY_EXT)
{
/* (Re)allocate data */
temp = realloc(ALBuf->data, size);
if(temp)
if(size >= 0)
{
ALBuf->data = temp;
ALBuf->size = size;
ALBuf->usage = usage;
if(data)
memcpy(ALBuf->data, data, size);
/* (Re)allocate data */
temp = realloc(ALBuf->data, size);
if(temp)
{
ALBuf->data = temp;
ALBuf->size = size;
ALBuf->usage = usage;
if(data)
memcpy(ALBuf->data, data, size);
}
else
alSetError(Context, AL_OUT_OF_MEMORY);
}
else
alSetError(Context, AL_OUT_OF_MEMORY);
alSetError(Context, AL_INVALID_VALUE);
}
else
alSetError(Context, AL_INVALID_ENUM);
@ -248,7 +253,7 @@ ALvoid ALAPIENTRY alDatabufferDataEXT(ALuint buffer,const ALvoid *data,ALsizei s
ProcessContext(Context);
}
ALvoid ALAPIENTRY alDatabufferSubDataEXT(ALuint uiBuffer, ALuint start, ALsizei length, const ALvoid *data)
ALvoid ALAPIENTRY alDatabufferSubDataEXT(ALuint uiBuffer, ALintptrEXT start, ALsizeiptrEXT length, const ALvoid *data)
{
ALCcontext *pContext;
ALdatabuffer *pBuffer;
@ -260,7 +265,7 @@ ALvoid ALAPIENTRY alDatabufferSubDataEXT(ALuint uiBuffer, ALuint start, ALsizei
Device = pContext->Device;
if((pBuffer=VerifyDatabuffer(Device->DatabufferList, uiBuffer)) != NULL)
{
if(length >= 0 && start+length <= pBuffer->size)
if(start >= 0 && length >= 0 && start+length <= pBuffer->size)
{
if(pBuffer->state == UNMAPPED)
memcpy(pBuffer->data+start, data, length);
@ -276,7 +281,7 @@ ALvoid ALAPIENTRY alDatabufferSubDataEXT(ALuint uiBuffer, ALuint start, ALsizei
ProcessContext(pContext);
}
ALvoid ALAPIENTRY alGetDatabufferSubDataEXT(ALuint uiBuffer, ALuint start, ALsizei length, ALvoid *data)
ALvoid ALAPIENTRY alGetDatabufferSubDataEXT(ALuint uiBuffer, ALintptrEXT start, ALsizeiptrEXT length, ALvoid *data)
{
ALCcontext *pContext;
ALdatabuffer *pBuffer;
@ -288,7 +293,7 @@ ALvoid ALAPIENTRY alGetDatabufferSubDataEXT(ALuint uiBuffer, ALuint start, ALsiz
Device = pContext->Device;
if((pBuffer=VerifyDatabuffer(Device->DatabufferList, uiBuffer)) != NULL)
{
if(length >= 0 && start+length <= pBuffer->size)
if(start >= 0 && length >= 0 && start+length <= pBuffer->size)
{
if(pBuffer->state == UNMAPPED)
memcpy(data, pBuffer->data+start, length);
@ -564,7 +569,7 @@ ALvoid ALAPIENTRY alSelectDatabufferEXT(ALenum target, ALuint uiBuffer)
}
ALvoid* ALAPIENTRY alMapDatabufferEXT(ALuint uiBuffer, ALuint start, ALsizei length, ALenum access)
ALvoid* ALAPIENTRY alMapDatabufferEXT(ALuint uiBuffer, ALintptrEXT start, ALsizeiptrEXT length, ALenum access)
{
ALCcontext *pContext;
ALdatabuffer *pBuffer;
@ -577,7 +582,7 @@ ALvoid* ALAPIENTRY alMapDatabufferEXT(ALuint uiBuffer, ALuint start, ALsizei len
Device = pContext->Device;
if((pBuffer=VerifyDatabuffer(Device->DatabufferList, uiBuffer)) != NULL)
{
if(length >= 0 && start+length <= pBuffer->size)
if(start >= 0 && length >= 0 && start+length <= pBuffer->size)
{
if(access == AL_READ_ONLY_EXT || access == AL_WRITE_ONLY_EXT ||
access == AL_READ_WRITE_EXT)

12
include/AL/alext.h
View File

@ -21,6 +21,8 @@
#ifndef AL_ALEXT_H
#define AL_ALEXT_H
#include <stddef.h>
#ifdef __cplusplus
extern "C" {
#endif
@ -122,6 +124,8 @@ typedef ALvoid (AL_APIENTRY*PFNALBUFFERDATASTATICPROC)(const ALint,ALenum,ALvoid
#ifndef AL_EXT_sample_buffer_object
#define AL_EXT_sample_buffer_object 1
typedef ptrdiff_t ALintptrEXT;
typedef ptrdiff_t ALsizeiptrEXT;
#define AL_SAMPLE_SOURCE_EXT 0x1040
#define AL_SAMPLE_SINK_EXT 0x1041
#define AL_READ_ONLY_EXT 0x1042
@ -139,9 +143,9 @@ typedef ALvoid (AL_APIENTRY*PFNALBUFFERDATASTATICPROC)(const ALint,ALenum,ALvoid
typedef ALvoid (AL_APIENTRY*PFNALGENDATABUFFERSEXTPROC)(ALsizei n,ALuint *puiBuffers);
typedef ALvoid (AL_APIENTRY*PFNALDELETEDATABUFFERSEXTPROC)(ALsizei n, const ALuint *puiBuffers);
typedef ALboolean (AL_APIENTRY*PFNALISDATABUFFEREXTPROC)(ALuint uiBuffer);
typedef ALvoid (AL_APIENTRY*PFNALDATABUFFERDATAEXTPROC)(ALuint buffer,const ALvoid *data,ALsizei size,ALenum usage);
typedef ALvoid (AL_APIENTRY*PFNALDATABUFFERSUBDATAEXTPROC)(ALuint buffer, ALuint start, ALsizei length, const ALvoid *);
typedef ALvoid (AL_APIENTRY*PFNALGETDATABUFFERSUBDATAEXTPROC)(ALuint buffer, ALuint start, ALsizei length, ALvoid *);
typedef ALvoid (AL_APIENTRY*PFNALDATABUFFERDATAEXTPROC)(ALuint buffer,const ALvoid *data,ALsizeiptrEXT size,ALenum usage);
typedef ALvoid (AL_APIENTRY*PFNALDATABUFFERSUBDATAEXTPROC)(ALuint buffer, ALintptrEXT start, ALsizeiptrEXT length, const ALvoid *);
typedef ALvoid (AL_APIENTRY*PFNALGETDATABUFFERSUBDATAEXTPROC)(ALuint buffer, ALintptrEXT start, ALsizeiptrEXT length, ALvoid *);
typedef ALvoid (AL_APIENTRY*PFNALDATABUFFERFEXTPROC)(ALuint buffer, ALenum eParam, ALfloat flValue);
typedef ALvoid (AL_APIENTRY*PFNALDATABUFFERFVEXTPROC)(ALuint buffer, ALenum eParam, const ALfloat* flValues);
typedef ALvoid (AL_APIENTRY*PFNALDATABUFFERIEXTPROC)(ALuint buffer, ALenum eParam, ALint lValue);
@ -151,7 +155,7 @@ typedef ALvoid (AL_APIENTRY*PFNALGETDATABUFFERFVEXTPROC)(ALuint buffer, ALenum e
typedef ALvoid (AL_APIENTRY*PFNALGETDATABUFFERIEXTPROC)(ALuint buffer, ALenum eParam, ALint *plValue);
typedef ALvoid (AL_APIENTRY*PFNALGETDATABUFFERIVEXTPROC)(ALuint buffer, ALenum eParam, ALint* plValues);
typedef ALvoid (AL_APIENTRY*PFNALSELECTDATABUFFEREXTPROC)(ALenum target, ALuint uiBuffer);
typedef ALvoid* (AL_APIENTRY*PFNALMAPDATABUFFEREXTPROC)(ALuint uiBuffer, ALuint start, ALsizei length, ALenum access);
typedef ALvoid* (AL_APIENTRY*PFNALMAPDATABUFFEREXTPROC)(ALuint uiBuffer, ALintptrEXT start, ALsizeiptrEXT length, ALenum access);
typedef ALvoid (AL_APIENTRY*PFNALUNMAPDATABUFFEREXTPROC)(ALuint uiBuffer);
#endif