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-rw-r--r--src/mesa/drivers/dri/common/drirenderbuffer.h7
-rw-r--r--src/mesa/drivers/dri/tdfx/tdfx_context.c10
-rw-r--r--src/mesa/drivers/dri/tdfx/tdfx_context.h12
-rw-r--r--src/mesa/drivers/dri/tdfx/tdfx_lock.c23
-rw-r--r--src/mesa/drivers/dri/tdfx/tdfx_pixels.c12
-rw-r--r--src/mesa/drivers/dri/tdfx/tdfx_screen.c12
-rw-r--r--src/mesa/drivers/dri/tdfx/tdfx_span.c25
7 files changed, 69 insertions, 32 deletions
diff --git a/src/mesa/drivers/dri/common/drirenderbuffer.h b/src/mesa/drivers/dri/common/drirenderbuffer.h
index cd73b781741..747f92fcdbe 100644
--- a/src/mesa/drivers/dri/common/drirenderbuffer.h
+++ b/src/mesa/drivers/dri/common/drirenderbuffer.h
@@ -52,8 +52,11 @@ typedef struct {
*/
GLboolean depthHasSurface;
- /* XXX this is for s3v only. A handy flag to know if this is the back
- * color buffer.
+ /**
+ * A handy flag to know if this is the back color buffer.
+ *
+ * \note
+ * This is currently only used by s3v and tdfx.
*/
GLboolean backBuffer;
} driRenderbuffer;
diff --git a/src/mesa/drivers/dri/tdfx/tdfx_context.c b/src/mesa/drivers/dri/tdfx/tdfx_context.c
index e9c07bd862e..bd9dade89b5 100644
--- a/src/mesa/drivers/dri/tdfx/tdfx_context.c
+++ b/src/mesa/drivers/dri/tdfx/tdfx_context.c
@@ -657,8 +657,10 @@ tdfxMakeCurrent( __DRIcontextPrivate *driContextPriv,
GLcontext *newCtx = newFx->glCtx;
GET_CURRENT_CONTEXT(curCtx);
- if ( newFx->driDrawable != driDrawPriv ) {
+ if ((newFx->driDrawable != driDrawPriv)
+ || (newFx->driReadable != driReadPriv)) {
newFx->driDrawable = driDrawPriv;
+ newFx->driReadable = driReadPriv;
newFx->dirty = ~0;
}
else {
@@ -676,6 +678,11 @@ tdfxMakeCurrent( __DRIcontextPrivate *driContextPriv,
newFx->dirty = ~0;
}
+ driUpdateFramebufferSize(newCtx, driDrawPriv);
+ if (driDrawPriv != driReadPriv) {
+ driUpdateFramebufferSize(newCtx, driReadPriv);
+ }
+
if ( !newFx->Glide.Initialized ) {
if ( !tdfxInitContext( driDrawPriv, newFx ) )
return GL_FALSE;
@@ -700,7 +707,6 @@ tdfxMakeCurrent( __DRIcontextPrivate *driContextPriv,
UNLOCK_HARDWARE( newFx );
}
- driUpdateFramebufferSize(newCtx, driDrawPriv);
_mesa_make_current( newCtx,
(GLframebuffer *) driDrawPriv->driverPrivate,
(GLframebuffer *) driReadPriv->driverPrivate );
diff --git a/src/mesa/drivers/dri/tdfx/tdfx_context.h b/src/mesa/drivers/dri/tdfx/tdfx_context.h
index b8349fec73b..89a7a9d6c4e 100644
--- a/src/mesa/drivers/dri/tdfx/tdfx_context.h
+++ b/src/mesa/drivers/dri/tdfx/tdfx_context.h
@@ -895,7 +895,17 @@ struct tdfx_context {
/* stuff added for DRI */
__DRIscreenPrivate *driScreen;
__DRIcontextPrivate *driContext;
- __DRIdrawablePrivate *driDrawable;
+
+ /**
+ * DRI drawable bound to this context for drawing.
+ */
+ __DRIdrawablePrivate *driDrawable;
+
+ /**
+ * DRI drawable bound to this context for reading.
+ */
+ __DRIdrawablePrivate *driReadable;
+
drm_context_t hHWContext;
drm_hw_lock_t *driHwLock;
int driFd;
diff --git a/src/mesa/drivers/dri/tdfx/tdfx_lock.c b/src/mesa/drivers/dri/tdfx/tdfx_lock.c
index ae3ba1a8321..a20c91d030a 100644
--- a/src/mesa/drivers/dri/tdfx/tdfx_lock.c
+++ b/src/mesa/drivers/dri/tdfx/tdfx_lock.c
@@ -47,16 +47,20 @@
void tdfxGetLock( tdfxContextPtr fxMesa )
{
__DRIcontextPrivate *cPriv = fxMesa->driContext;
- __DRIdrawablePrivate *dPriv = cPriv->driDrawablePriv;
- __DRIscreenPrivate *sPriv = dPriv->driScreenPriv;
+ __DRIdrawablePrivate *const drawable = cPriv->driDrawablePriv;
+ __DRIdrawablePrivate *const readable = cPriv->driReadablePriv;
+ __DRIscreenPrivate *sPriv = drawable->driScreenPriv;
TDFXSAREAPriv *saPriv = (TDFXSAREAPriv *) (((char *) sPriv->pSAREA) +
fxMesa->fxScreen->sarea_priv_offset);
- unsigned int stamp = dPriv->lastStamp;
+ unsigned int stamp = drawable->lastStamp;
drmGetLock( fxMesa->driFd, fxMesa->hHWContext, 0 );
- /* This macro will update dPriv's cliprects if needed */
- DRI_VALIDATE_DRAWABLE_INFO( sPriv, dPriv );
+ /* This macro will update drawable's cliprects if needed */
+ DRI_VALIDATE_DRAWABLE_INFO(sPriv, drawable);
+ if (drawable != readable) {
+ DRI_VALIDATE_DRAWABLE_INFO(sPriv, readable);
+ }
if ( saPriv->fifoOwner != fxMesa->hHWContext ) {
fxMesa->Glide.grDRIImportFifo( saPriv->fifoPtr, saPriv->fifoRead );
@@ -83,10 +87,15 @@ void tdfxGetLock( tdfxContextPtr fxMesa )
}
#endif
- if ( *dPriv->pStamp != stamp || saPriv->ctxOwner != fxMesa->hHWContext ) {
+ if ((*drawable->pStamp != stamp)
+ || (saPriv->ctxOwner != fxMesa->hHWContext)) {
+ driUpdateFramebufferSize(fxMesa->glCtx, drawable);
+ if (drawable != readable) {
+ driUpdateFramebufferSize(fxMesa->glCtx, readable);
+ }
+
tdfxUpdateClipping(fxMesa->glCtx);
tdfxUploadClipping(fxMesa);
- driUpdateFramebufferSize(fxMesa->glCtx, dPriv);
}
DEBUG_LOCK();
diff --git a/src/mesa/drivers/dri/tdfx/tdfx_pixels.c b/src/mesa/drivers/dri/tdfx/tdfx_pixels.c
index 1a5a2b11090..732270b2bd3 100644
--- a/src/mesa/drivers/dri/tdfx/tdfx_pixels.c
+++ b/src/mesa/drivers/dri/tdfx/tdfx_pixels.c
@@ -496,9 +496,9 @@ tdfx_readpixels_R5G6B5(GLcontext * ctx, GLint x, GLint y,
{
tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
GrLfbInfo_t info;
-
- const GLint winX = fxMesa->x_offset;
- const GLint winY = fxMesa->y_offset + fxMesa->height - 1;
+ __DRIdrawablePrivate *const readable = fxMesa->driReadable;
+ const GLint winX = readable->x;
+ const GLint winY = readable->y + readable->h - 1;
const GLint scrX = winX + x;
const GLint scrY = winY - y;
@@ -554,9 +554,9 @@ tdfx_readpixels_R8G8B8A8(GLcontext * ctx, GLint x, GLint y,
{
tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
GrLfbInfo_t info;
-
- const GLint winX = fxMesa->x_offset;
- const GLint winY = fxMesa->y_offset + fxMesa->height - 1;
+ __DRIdrawablePrivate *const readable = fxMesa->driReadable;
+ const GLint winX = readable->x;
+ const GLint winY = readable->y + readable->h - 1;
const GLint scrX = winX + x;
const GLint scrY = winY - y;
diff --git a/src/mesa/drivers/dri/tdfx/tdfx_screen.c b/src/mesa/drivers/dri/tdfx/tdfx_screen.c
index 5e3d07f65bb..646f5126eb0 100644
--- a/src/mesa/drivers/dri/tdfx/tdfx_screen.c
+++ b/src/mesa/drivers/dri/tdfx/tdfx_screen.c
@@ -73,6 +73,9 @@ tdfxCreateScreen( __DRIscreenPrivate *sPriv )
{
tdfxScreenPrivate *fxScreen;
TDFXDRIPtr fxDRIPriv = (TDFXDRIPtr) sPriv->pDevPriv;
+ PFNGLXSCRENABLEEXTENSIONPROC glx_enable_extension =
+ (PFNGLXSCRENABLEEXTENSIONPROC) (*dri_interface->getProcAddress("glxEnableExtension"));
+ void *const psc = sPriv->psc->screenConfigs;
if (sPriv->devPrivSize != sizeof(TDFXDRIRec)) {
fprintf(stderr,"\nERROR! sizeof(TDFXDRIRec) does not match passed size from device driver\n");
@@ -113,6 +116,10 @@ tdfxCreateScreen( __DRIscreenPrivate *sPriv )
return GL_FALSE;
}
+ if (glx_enable_extension != NULL) {
+ (*glx_enable_extension)(psc, "GLX_SGI_make_current_read");
+ }
+
return GL_TRUE;
}
@@ -180,6 +187,7 @@ tdfxCreateBuffer( __DRIscreenPrivate *driScrnPriv,
driDrawPriv);
tdfxSetSpanFunctions(backRb, mesaVis);
_mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &backRb->Base);
+ backRb->backBuffer = GL_TRUE;
}
if (mesaVis->depthBits == 16) {
@@ -265,7 +273,9 @@ tdfxSwapBuffers( __DRIdrawablePrivate *driDrawPriv )
return;
LOCK_HARDWARE( fxMesa );
fxMesa->Glide.grSstSelect( fxMesa->Glide.Board );
+#ifdef DEBUG
printf("SwapBuf SetState 1\n");
+#endif
fxMesa->Glide.grGlideSetState(fxMesa->Glide.State );
}
}
@@ -325,7 +335,9 @@ tdfxSwapBuffers( __DRIdrawablePrivate *driDrawPriv )
if (ctx->DriverCtx != fxMesa) {
fxMesa = TDFX_CONTEXT(ctx);
fxMesa->Glide.grSstSelect( fxMesa->Glide.Board );
+#ifdef DEBUG
printf("SwapBuf SetState 2\n");
+#endif
fxMesa->Glide.grGlideSetState(fxMesa->Glide.State );
}
UNLOCK_HARDWARE( fxMesa );
diff --git a/src/mesa/drivers/dri/tdfx/tdfx_span.c b/src/mesa/drivers/dri/tdfx/tdfx_span.c
index ee5eb459bee..d9d52d2b6f5 100644
--- a/src/mesa/drivers/dri/tdfx/tdfx_span.c
+++ b/src/mesa/drivers/dri/tdfx/tdfx_span.c
@@ -47,21 +47,19 @@
#define LOCAL_VARS \
- __DRIdrawablePrivate *dPriv = fxMesa->driDrawable; \
- tdfxScreenPrivate *fxPriv = fxMesa->fxScreen; \
- GLboolean isFront = (ctx->DrawBuffer->_ColorDrawBufferMask[0] \
- == BUFFER_BIT_FRONT_LEFT); \
- GLuint pitch = isFront ? (fxMesa->screen_width * BYTESPERPIXEL) \
- : info.strideInBytes; \
- GLuint height = fxMesa->height; \
+ driRenderbuffer *drb = (driRenderbuffer *) rb; \
+ __DRIdrawablePrivate *const dPriv = drb->dPriv; \
+ GLuint pitch = drb->backBuffer ? info.strideInBytes \
+ : (drb->pitch * drb->cpp); \
+ const GLuint bottom = dPriv->h - 1; \
char *buf = (char *)((char *)info.lfbPtr + \
- dPriv->x * fxPriv->cpp + \
- dPriv->y * pitch); \
+ (dPriv->x * drb->cpp) + \
+ (dPriv->y * pitch)); \
GLuint p; \
(void) buf; (void) p;
-#define Y_FLIP(_y) (height - _y - 1)
+#define Y_FLIP(_y) (bottom - _y)
#define HW_WRITE_LOCK() \
@@ -71,10 +69,9 @@
UNLOCK_HARDWARE( fxMesa ); \
LOCK_HARDWARE( fxMesa ); \
info.size = sizeof(GrLfbInfo_t); \
- if ( fxMesa->Glide.grLfbLock( GR_LFB_WRITE_ONLY, \
- fxMesa->DrawBuffer, LFB_MODE, \
- GR_ORIGIN_UPPER_LEFT, FXFALSE, &info ) ) \
- {
+ if (fxMesa->Glide.grLfbLock(GR_LFB_WRITE_ONLY, fxMesa->DrawBuffer, \
+ LFB_MODE, GR_ORIGIN_UPPER_LEFT, FXFALSE, \
+ &info)) {
#define HW_WRITE_UNLOCK() \
fxMesa->Glide.grLfbUnlock( GR_LFB_WRITE_ONLY, fxMesa->DrawBuffer );\
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-02 17:48:07 +0000