From 5c6aec2f39e1c3bbb218ad19b5b475028125105a Mon Sep 17 00:00:00 2001 From: Jon Smirl Date: Sun, 8 May 2005 05:01:03 +0000 Subject: dri fb works using renderbuffers now in RGBA mode --- src/mesa/drivers/dri/fb/fb_dri.c | 158 +++++++++++---------------------------- 1 file changed, 43 insertions(+), 115 deletions(-) (limited to 'src/mesa/drivers/dri/fb') diff --git a/src/mesa/drivers/dri/fb/fb_dri.c b/src/mesa/drivers/dri/fb/fb_dri.c index bf7843d9f1..264f8f0b24 100644 --- a/src/mesa/drivers/dri/fb/fb_dri.c +++ b/src/mesa/drivers/dri/fb/fb_dri.c @@ -70,14 +70,6 @@ typedef struct { } fbContext, *fbContextPtr; -typedef struct { - GLframebuffer *mesa_framebuffer; - void *currentBuffer; - void *frontBuffer; - void *backBuffer; - int currentPitch; -} fbDrawable, *fbDrawablePtr; - #define FB_CONTEXT(ctx) ((fbContextPtr)(ctx->DriverCtx)) #ifdef USE_NEW_INTERFACE @@ -130,33 +122,6 @@ viewport(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h) } -/* specifies the buffer for swrast span rendering/reading */ -static void -set_buffer( GLcontext *ctx, GLframebuffer *buffer, GLuint bufferBit ) -{ - fbContextPtr fbdevctx = FB_CONTEXT(ctx); - __DRIdrawablePrivate *dPriv = fbdevctx->dri.drawable; - fbDrawablePtr fbdrawable = (fbDrawablePtr)dPriv->driverPrivate; - - /* What a twisted mess of private structs - */ - assert(buffer == fbdrawable->mesa_framebuffer); - - - switch (bufferBit) { - case BUFFER_BIT_FRONT_LEFT: - fbdrawable->currentBuffer = fbdrawable->frontBuffer; - break; - case BUFFER_BIT_BACK_LEFT: - fbdrawable->currentBuffer = fbdrawable->backBuffer; - break; - default: - /* This happens a lot if the client renders to the frontbuffer */ - if (0) _mesa_problem(ctx, "bad bufferBit in set_buffer()"); - } -} - - static void init_core_functions( struct dd_function_table *functions ) { @@ -178,11 +143,9 @@ init_core_functions( struct dd_function_table *functions ) #define NAME(PREFIX) PREFIX##_B8G8R8 #define FORMAT GL_RGBA8 #define SPAN_VARS \ - const fbContextPtr fbdevctx = FB_CONTEXT(ctx); \ - __DRIdrawablePrivate *dPriv = fbdevctx->dri.drawable; \ - const fbDrawablePtr fbdrawable = (fbDrawablePtr)dPriv->driverPrivate; + driRenderbuffer *drb = (driRenderbuffer *) rb; #define INIT_PIXEL_PTR(P, X, Y) \ - GLubyte *P = (GLubyte *)fbdrawable->currentBuffer + (Y) * fbdrawable->currentPitch + (X) * 3 + GLubyte *P = (GLubyte *)drb->Base.Data + (Y) * drb->pitch + (X) * 3; #define INC_PIXEL_PTR(P) P += 3 #define STORE_PIXEL(DST, X, Y, VALUE) \ DST[0] = VALUE[BCOMP]; \ @@ -201,11 +164,9 @@ init_core_functions( struct dd_function_table *functions ) #define NAME(PREFIX) PREFIX##_B8G8R8A8 #define FORMAT GL_RGBA8 #define SPAN_VARS \ - const fbContextPtr fbdevctx = FB_CONTEXT(ctx); \ - __DRIdrawablePrivate *dPriv = fbdevctx->dri.drawable; \ - const fbDrawablePtr fbdrawable = (fbDrawablePtr)dPriv->driverPrivate; + driRenderbuffer *drb = (driRenderbuffer *) rb; #define INIT_PIXEL_PTR(P, X, Y) \ - GLubyte *P = (GLubyte *)fbdrawable->currentBuffer + (Y) * fbdrawable->currentPitch + (X) * 4; + GLubyte *P = (GLubyte *)drb->Base.Data + (Y) * drb->pitch + (X) * 4; #define INC_PIXEL_PTR(P) P += 4 #define STORE_PIXEL(DST, X, Y, VALUE) \ DST[0] = VALUE[BCOMP]; \ @@ -230,11 +191,9 @@ init_core_functions( struct dd_function_table *functions ) #define NAME(PREFIX) PREFIX##_B5G6R5 #define FORMAT GL_RGBA8 #define SPAN_VARS \ - const fbContextPtr fbdevctx = FB_CONTEXT(ctx); \ - __DRIdrawablePrivate *dPriv = fbdevctx->dri.drawable; \ - const fbDrawablePtr fbdrawable = (fbDrawablePtr)dPriv->driverPrivate; + driRenderbuffer *drb = (driRenderbuffer *) rb; #define INIT_PIXEL_PTR(P, X, Y) \ - GLushort *P = (GLushort *) ((char *)fbdrawable->currentBuffer + (Y) * fbdrawable->currentPitch + (X) * 2) + GLushort *P = (GLushort *)drb->Base.Data + (Y) * drb->pitch + (X) * 2; #define INC_PIXEL_PTR(P) P += 1 #define STORE_PIXEL(DST, X, Y, VALUE) \ DST[0] = ( (((VALUE[RCOMP]) & 0xf8) << 8) | (((VALUE[GCOMP]) & 0xfc) << 3) | ((VALUE[BCOMP]) >> 3) ) @@ -251,11 +210,9 @@ init_core_functions( struct dd_function_table *functions ) #define NAME(PREFIX) PREFIX##_B5G5R5 #define FORMAT GL_RGBA8 #define SPAN_VARS \ - const fbContextPtr fbdevctx = FB_CONTEXT(ctx); \ - __DRIdrawablePrivate *dPriv = fbdevctx->dri.drawable; \ - const fbDrawablePtr fbdrawable = (fbDrawablePtr)dPriv->driverPrivate; + driRenderbuffer *drb = (driRenderbuffer *) rb; #define INIT_PIXEL_PTR(P, X, Y) \ - GLushort *P = (GLushort *) ((char *)fbdrawable->currentBuffer + (Y) * fbdrawable->currentPitch + (X) * 2) + GLushort *P = (GLushort *)drb->Base.Data + (Y) * drb->pitch + (X) * 2; #define INC_PIXEL_PTR(P) P += 1 #define STORE_PIXEL(DST, X, Y, VALUE) \ DST[0] = ( (((VALUE[RCOMP]) & 0xf8) << 7) | (((VALUE[GCOMP]) & 0xf8) << 2) | ((VALUE[BCOMP]) >> 3) ) @@ -272,11 +229,9 @@ init_core_functions( struct dd_function_table *functions ) #define NAME(PREFIX) PREFIX##_CI8 #define FORMAT GL_COLOR_INDEX8_EXT #define SPAN_VARS \ - const fbContextPtr fbdevctx = FB_CONTEXT(ctx); \ - __DRIdrawablePrivate *dPriv = fbdevctx->dri.drawable; \ - const fbDrawablePtr fbdrawable = (fbDrawablePtr)dPriv->driverPrivate; + driRenderbuffer *drb = (driRenderbuffer *) rb; #define INIT_PIXEL_PTR(P, X, Y) \ - GLubyte *P = (GLubyte *)fbdrawable->currentBuffer + (Y) * fbdrawable->currentPitch + (X) + GLubyte *P = (GLubyte *)drb->Base.Data + (Y) * drb->pitch + (X); #define INC_PIXEL_PTR(P) P += 1 #define STORE_PIXEL(DST, X, Y, VALUE) \ *DST = VALUE[0] @@ -412,7 +367,6 @@ fbCreateContext( const __GLcontextModes *glVisual, { struct swrast_device_driver *swdd; swdd = _swrast_GetDeviceDriverReference( ctx ); - swdd->SetBuffer = set_buffer; } /* use default TCL pipeline */ @@ -464,7 +418,7 @@ fbCreateBuffer( __DRIscreenPrivate *driScrnPriv, const __GLcontextModes *mesaVis, GLboolean isPixmap ) { - fbDrawablePtr fbdrawable; + struct gl_framebuffer *mesa_framebuffer; if (isPixmap) { return GL_FALSE; /* not implemented */ @@ -475,28 +429,9 @@ fbCreateBuffer( __DRIscreenPrivate *driScrnPriv, const GLboolean swAccum = mesaVis->accumRedBits > 0; const GLboolean swStencil = mesaVis->stencilBits > 0; - fbdrawable = _mesa_calloc(sizeof(*fbdrawable)); - if (!fbdrawable) + mesa_framebuffer = _mesa_create_framebuffer(mesaVis); + if (!mesa_framebuffer) return 0; - -#if 0 - fbdrawable->mesa_framebuffer = (void *) - _mesa_create_framebuffer( mesaVis, - swDepth, - swStencil, - swAccum, - swAlpha ); - - if (!fbdrawable->mesa_framebuffer) { - _mesa_free(fbdrawable); - return 0; - } -#else - fbdrawable->mesa_framebuffer = _mesa_create_framebuffer(mesaVis); - if (!fbdrawable->mesa_framebuffer) { - _mesa_free(fbdrawable); - return 0; - } /* XXX double-check these parameters (bpp vs cpp, etc) */ { @@ -504,7 +439,8 @@ fbCreateBuffer( __DRIscreenPrivate *driScrnPriv, driScrnPriv->fbOrigin, driScrnPriv->fbStride); fbSetSpanFunctions(drb, mesaVis); - _mesa_add_renderbuffer(fbdrawable->mesa_framebuffer, + drb->Base.Data = driScrnPriv->pFB; + _mesa_add_renderbuffer(mesa_framebuffer, BUFFER_FRONT_LEFT, &drb->Base); } if (mesaVis->doubleBufferMode) { @@ -513,30 +449,20 @@ fbCreateBuffer( __DRIscreenPrivate *driScrnPriv, driScrnPriv->fbOrigin, driScrnPriv->fbStride); fbSetSpanFunctions(drb, mesaVis); - _mesa_add_renderbuffer(fbdrawable->mesa_framebuffer, + drb->Base.Data = _mesa_malloc(driScrnPriv->fbStride * driScrnPriv->fbHeight); + _mesa_add_renderbuffer(mesa_framebuffer, BUFFER_BACK_LEFT, &drb->Base); } - _mesa_add_soft_renderbuffers(fbdrawable->mesa_framebuffer, + _mesa_add_soft_renderbuffers(mesa_framebuffer, GL_FALSE, /* color */ swDepth, swStencil, swAccum, - swAlpha, + 0, GL_FALSE /* aux */); - -#endif - - driDrawPriv->driverPrivate = fbdrawable; - - fbdrawable->frontBuffer = driScrnPriv->pFB; - fbdrawable->currentPitch = driScrnPriv->fbStride; - fbdrawable->currentBuffer = fbdrawable->frontBuffer; - /* Replace the framebuffer back buffer with a malloc'ed one -- - * big speedup. - */ - fbdrawable->backBuffer = _mesa_malloc(fbdrawable->currentPitch * driScrnPriv->fbHeight); + driDrawPriv->driverPrivate = mesa_framebuffer; return 1; } @@ -546,11 +472,10 @@ fbCreateBuffer( __DRIscreenPrivate *driScrnPriv, static void fbDestroyBuffer(__DRIdrawablePrivate *driDrawPriv) { - fbDrawablePtr fbdrawable = (fbDrawablePtr)driDrawPriv->driverPrivate; + struct gl_framebuffer *mesa_framebuffer = (struct gl_framebuffer *)driDrawPriv->driverPrivate; - _mesa_destroy_framebuffer(fbdrawable->mesa_framebuffer); - _mesa_free(fbdrawable->backBuffer); - _mesa_free(fbdrawable); + _mesa_free(mesa_framebuffer->Attachment[BUFFER_BACK_LEFT].Renderbuffer->Data); + _mesa_destroy_framebuffer(mesa_framebuffer); driDrawPriv->driverPrivate = NULL; } @@ -561,29 +486,32 @@ fbDestroyBuffer(__DRIdrawablePrivate *driDrawPriv) static void fbSwapBuffers( __DRIdrawablePrivate *dPriv ) { - fbDrawablePtr fbdrawable = (fbDrawablePtr)dPriv->driverPrivate; + struct gl_framebuffer *mesa_framebuffer = (struct gl_framebuffer *)dPriv->driverPrivate; + struct gl_renderbuffer * front_renderbuffer = mesa_framebuffer->Attachment[BUFFER_FRONT_LEFT].Renderbuffer; + void *frontBuffer = front_renderbuffer->Data; + int currentPitch = ((driRenderbuffer *)front_renderbuffer)->pitch; + void *backBuffer = mesa_framebuffer->Attachment[BUFFER_BACK_LEFT].Renderbuffer->Data; if (dPriv->driContextPriv && dPriv->driContextPriv->driverPrivate) { - fbContextPtr fbmesa; - GLcontext *ctx; - fbmesa = (fbContextPtr) dPriv->driContextPriv->driverPrivate; - ctx = fbmesa->glCtx; + fbContextPtr fbmesa = (fbContextPtr) dPriv->driContextPriv->driverPrivate; + GLcontext *ctx = fbmesa->glCtx; + if (ctx->Visual.doubleBufferMode) { int i; int offset = 0; - char *tmp = _mesa_malloc(fbdrawable->currentPitch); + char *tmp = _mesa_malloc(currentPitch); _mesa_notifySwapBuffers( ctx ); /* flush pending rendering comands */ - ASSERT(fbdrawable->frontBuffer); - ASSERT(fbdrawable->backBuffer); + ASSERT(frontBuffer); + ASSERT(backBuffer); for (i = 0; i < dPriv->h; i++) { - _mesa_memcpy(tmp, (char *) fbdrawable->backBuffer + offset, - fbdrawable->currentPitch); - _mesa_memcpy((char *) fbdrawable->frontBuffer + offset, tmp, - fbdrawable->currentPitch); - offset += fbdrawable->currentPitch; + _mesa_memcpy(tmp, (char *) backBuffer + offset, + currentPitch); + _mesa_memcpy((char *) frontBuffer + offset, tmp, + currentPitch); + offset += currentPitch; } _mesa_free(tmp); @@ -606,13 +534,13 @@ fbMakeCurrent( __DRIcontextPrivate *driContextPriv, { if ( driContextPriv ) { fbContextPtr newFbCtx = - (fbContextPtr) driContextPriv->driverPrivate; + (fbContextPtr) driContextPriv->driverPrivate; newFbCtx->dri.drawable = driDrawPriv; - _mesa_make_current( newFbCtx->glCtx, - ((fbDrawablePtr)driDrawPriv->driverPrivate)->mesa_framebuffer, - ((fbDrawablePtr)driReadPriv->driverPrivate)->mesa_framebuffer); + _mesa_make_current( newFbCtx->glCtx, + driDrawPriv->driverPrivate, + driReadPriv->driverPrivate); } else { _mesa_make_current( NULL, NULL, NULL ); } -- cgit v1.2.3