static void sisTexImage2D( GLcontext *ctx, GLenum target, GLint level,
GLint internalFormat,
GLint width, GLint height, GLint border,
GLenum format, GLenum type, const GLvoid *pixels,
const struct gl_pixelstore_attrib *packing,
struct gl_texture_object *texObj,
struct gl_texture_image *texImage )
{
sisContextPtr smesa = SIS_CONTEXT(ctx);
sisTexObjPtr t;
if ( texObj->DriverData == NULL )
sisAllocTexObj( texObj );
t = texObj->DriverData;
/* Note, this will call sisChooseTextureFormat */
_mesa_store_teximage2d(ctx, target, level, internalFormat,
width, height, border, format, type, pixels,
&ctx->Unpack, texObj, texImage);
/* Allocate offscreen space for the texture */
sisFreeTexImage(smesa, t, level);
sisAllocTexImage(smesa, t, level, texImage);
/* Upload the texture */
WaitEngIdle(smesa);
memcpy(t->image[level].Data, texImage->Data, t->image[level].size);
if (smesa->PrevTexFormat[ctx->Texture.CurrentUnit] != t->format)
{
smesa->TexStates[ctx->Texture.CurrentUnit] |= NEW_TEXTURE_ENV;
smesa->PrevTexFormat[ctx->Texture.CurrentUnit] = t->format;
}
smesa->TexStates[ctx->Texture.CurrentUnit] |= NEW_TEXTURING;
}
/* Make sure there are more than num dwords left in the AGP queue. */
static void
sisMakeRoomAGP( sisContextPtr smesa, GLint num )
{
int size = num * 4;
if (size <= AGP_SpaceLeft) {
AGP_SpaceLeft -= size;
return;
}
/* Wrapping */
if (AGP_WritePtr + num > (GLfloat *)(smesa->AGPCmdBufBase +
smesa->AGPCmdBufSize))
{
sisFireVertsAGP( smesa );
AGP_WritePtr = (GLfloat *)smesa->AGPCmdBufBase;
AGP_StartPtr = AGP_WritePtr;
sisUpdateAGP( smesa );
WaitEngIdle( smesa ); /* XXX Why is this necessary? */
}
if (size > AGP_SpaceLeft) {
/* Update the cached engine read pointer */
AGP_ReadPtr = (GLfloat *)((long)MMIO_READ(REG_3D_AGPCmBase) -
(long)smesa->AGPCmdBufAddr + (long)smesa->AGPCmdBufBase);
sisUpdateAGP( smesa );
while (size > AGP_SpaceLeft) {
/* Spin until space is available. */
AGP_ReadPtr = (GLfloat *)((long)MMIO_READ(REG_3D_AGPCmBase) -
(long)smesa->AGPCmdBufAddr + (long)smesa->AGPCmdBufBase);
sisUpdateAGP( smesa );
}
}
AGP_SpaceLeft -= size;
}
void sisSpanRenderStart( GLcontext *ctx )
{
sisContextPtr smesa = SIS_CONTEXT(ctx);
SIS_FIREVERTICES(smesa);
LOCK_HARDWARE();
WaitEngIdle( smesa );
}
static void sisTexSubImage2D( GLcontext *ctx,
GLenum target,
GLint level,
GLint xoffset, GLint yoffset,
GLsizei width, GLsizei height,
GLenum format, GLenum type,
const GLvoid *pixels,
const struct gl_pixelstore_attrib *packing,
struct gl_texture_object *texObj,
struct gl_texture_image *texImage )
{
sisContextPtr smesa = SIS_CONTEXT(ctx);
sisTexObjPtr t;
GLuint copySize;
GLint texelBytes;
const char *src;
GLubyte *dst;
int j;
GLuint soffset;
if ( texObj->DriverData == NULL )
sisAllocTexObj( texObj );
t = texObj->DriverData;
_mesa_store_texsubimage2d(ctx, target, level, xoffset, yoffset, width,
height, format, type, pixels, packing, texObj,
texImage);
/* Allocate offscreen space for the texture */
sisFreeTexImage(smesa, t, level);
sisAllocTexImage(smesa, t, level, texImage);
/* Upload the texture */
WaitEngIdle(smesa);
texelBytes = _mesa_get_format_bytes(texImage->TexFormat);
copySize = width * texelBytes;
src = (char *)texImage->Data + (xoffset + yoffset * texImage->Width) *
texelBytes;
dst = t->image[level].Data + (xoffset + yoffset * texImage->Width) *
texelBytes;
soffset = texImage->Width * texelBytes;
for (j = yoffset; j < yoffset + height; j++) {
memcpy( dst, src, copySize );
src += soffset;
dst += soffset;
}
smesa->clearTexCache = GL_TRUE;
if (smesa->PrevTexFormat[ctx->Texture.CurrentUnit] != t->format)
{
smesa->TexStates[ctx->Texture.CurrentUnit] |= NEW_TEXTURE_ENV;
smesa->PrevTexFormat[ctx->Texture.CurrentUnit] = t->format;
}
smesa->TexStates[ctx->Texture.CurrentUnit] |= NEW_TEXTURING;
}
/* Make sure all commands have been sent to the hardware and have
* completed processing.
*/
static void
sisFinish( GLcontext *ctx )
{
sisContextPtr smesa = SIS_CONTEXT(ctx);
SIS_FIREVERTICES(smesa);
LOCK_HARDWARE();
WaitEngIdle( smesa );
UNLOCK_HARDWARE();
}
