diff options
Diffstat (limited to 'src/mesa/drivers/dri/s3v/s3v_xmesa.c')
-rw-r--r-- | src/mesa/drivers/dri/s3v/s3v_xmesa.c | 341 |
1 files changed, 341 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/s3v/s3v_xmesa.c b/src/mesa/drivers/dri/s3v/s3v_xmesa.c new file mode 100644 index 0000000000..f1e123d676 --- /dev/null +++ b/src/mesa/drivers/dri/s3v/s3v_xmesa.c @@ -0,0 +1,341 @@ +/* + * Author: Max Lingua <sunmax@libero.it> + */ + +#include "s3v_context.h" +#include "s3v_vb.h" +#include "s3v_dri.h" +#include "main/context.h" +#include "main/matrix.h" +#include "main/framebuffer.h" +#include "main/renderbuffer.h" +#include "main/viewport.h" + +#include "swrast/swrast.h" +#include "swrast_setup/swrast_setup.h" +#include "tnl/tnl.h" +#include "vbo/vbo.h" + +/* #define DEBUG(str) printf str */ + +static const __DRIconfig ** +s3vInitScreen(__DRIscreen *sPriv) +{ + sPriv->private = (void *) s3vCreateScreen( sPriv ); + + if (!sPriv->private) { + s3vDestroyScreen( sPriv ); + return GL_FALSE; + } + + return NULL; +} + +static void +s3vDestroyContext(__DRIcontextPrivate *driContextPriv) +{ + s3vContextPtr vmesa = (s3vContextPtr)driContextPriv->driverPrivate; + + if (vmesa) { + _swsetup_DestroyContext( vmesa->glCtx ); + _tnl_DestroyContext( vmesa->glCtx ); + _vbo_DestroyContext( vmesa->glCtx ); + _swrast_DestroyContext( vmesa->glCtx ); + + s3vFreeVB( vmesa->glCtx ); + + /* free the Mesa context */ + vmesa->glCtx->DriverCtx = NULL; + _mesa_destroy_context(vmesa->glCtx); + + _mesa_free(vmesa); + driContextPriv->driverPrivate = NULL; + } +} + + +static GLboolean +s3vCreateBuffer( __DRIscreenPrivate *driScrnPriv, + __DRIdrawablePrivate *driDrawPriv, + const __GLcontextModes *mesaVis, + GLboolean isPixmap ) +{ + s3vScreenPtr screen = (s3vScreenPtr) driScrnPriv->private; + + if (isPixmap) { + return GL_FALSE; /* not implemented */ + } + else { + struct gl_framebuffer *fb = _mesa_create_framebuffer(mesaVis); + + { + driRenderbuffer *frontRb + = driNewRenderbuffer(MESA_FORMAT_ARGB8888, NULL, screen->cpp, + screen->frontOffset, screen->frontPitch, + driDrawPriv); + s3vSetSpanFunctions(frontRb, mesaVis); + _mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &frontRb->Base); + } + + if (mesaVis->doubleBufferMode) { + driRenderbuffer *backRb + = driNewRenderbuffer(MESA_FORMAT_ARGB8888, NULL, screen->cpp, + screen->backOffset, screen->backPitch, + driDrawPriv); + s3vSetSpanFunctions(backRb, mesaVis); + _mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &backRb->Base); + backRb->backBuffer = GL_TRUE; + } + + if (mesaVis->depthBits == 16) { + driRenderbuffer *depthRb + = driNewRenderbuffer(MESA_FORMAT_Z16, NULL, screen->cpp, + screen->depthOffset, screen->depthPitch, + driDrawPriv); + s3vSetSpanFunctions(depthRb, mesaVis); + _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base); + } + else if (mesaVis->depthBits == 24) { + driRenderbuffer *depthRb + = driNewRenderbuffer(MESA_FORMAT_Z24_S8, NULL, screen->cpp, + screen->depthOffset, screen->depthPitch, + driDrawPriv); + s3vSetSpanFunctions(depthRb, mesaVis); + _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base); + } + + /* no h/w stencil yet? + if (mesaVis->stencilBits > 0) { + driRenderbuffer *stencilRb + = driNewRenderbuffer(MESA_FORMAT_S8, NULL, + screen->cpp, screen->depthOffset, + screen->depthPitch, driDrawPriv); + s3vSetSpanFunctions(stencilRb, mesaVis); + _mesa_add_renderbuffer(fb, BUFFER_STENCIL, &stencilRb->Base); + } + */ + + _mesa_add_soft_renderbuffers(fb, + GL_FALSE, /* color */ + GL_FALSE, /* depth */ + mesaVis->stencilBits > 0, + mesaVis->accumRedBits > 0, + GL_FALSE, /* alpha */ + GL_FALSE /* aux */); + driDrawPriv->driverPrivate = (void *) fb; + + return (driDrawPriv->driverPrivate != NULL); + } +} + + +static void +s3vDestroyBuffer(__DRIdrawablePrivate *driDrawPriv) +{ + _mesa_reference_framebuffer((GLframebuffer **)(&(driDrawPriv->driverPrivate)), NULL); +} + +static void +s3vSwapBuffers(__DRIdrawablePrivate *drawablePrivate) +{ + __DRIdrawablePrivate *dPriv = (__DRIdrawablePrivate *) drawablePrivate; + __DRIscreenPrivate *sPriv; + GLcontext *ctx; + s3vContextPtr vmesa; + s3vScreenPtr s3vscrn; + + vmesa = (s3vContextPtr) dPriv->driContextPriv->driverPrivate; + sPriv = vmesa->driScreen; + s3vscrn = vmesa->s3vScreen; + ctx = vmesa->glCtx; + + DEBUG(("*** s3vSwapBuffers ***\n")); + +/* DMAFLUSH(); */ + + _mesa_notifySwapBuffers( ctx ); + + vmesa = (s3vContextPtr) dPriv->driContextPriv->driverPrivate; +/* driScrnPriv = vmesa->driScreen; */ + +/* if (vmesa->EnabledFlags & S3V_BACK_BUFFER) */ + +/* _mesa_notifySwapBuffers( ctx ); */ +#if 1 +{ + int x0, y0, x1, y1; +/* + int nRect = dPriv->numClipRects; + XF86DRIClipRectPtr pRect = dPriv->pClipRects; + + __DRIscreenPrivate *driScrnPriv = vmesa->driScreen; +*/ + +/* + DEBUG(("s3vSwapBuffers: S3V_BACK_BUFFER = 1 - nClip = %i\n", nRect)); +*/ +/* vmesa->drawOffset=vmesa->s3vScreen->backOffset; */ + + x0 = dPriv->x; + y0 = dPriv->y; + + x1 = x0 + dPriv->w - 1; + y1 = y0 + dPriv->h - 1; + + DMAOUT_CHECK(BITBLT_SRC_BASE, 15); + DMAOUT(vmesa->s3vScreen->backOffset); + DMAOUT(0); /* 0xc0000000 */ + DMAOUT( ((x0 << 16) | x1) ); + DMAOUT( ((y0 << 16) | y1) ); + DMAOUT( (vmesa->DestStride << 16) | vmesa->SrcStride ); + DMAOUT( (~(0)) ); + DMAOUT( (~(0)) ); + DMAOUT(0); + DMAOUT(0); + /* FIXME */ + DMAOUT(0); + DMAOUT(0); + DMAOUT( (0x01 | /* Autoexecute */ + 0x02 | /* clip */ + 0x04 | /* 16 bit */ + 0x20 | /* draw */ + 0x400 | /* word alignment (bit 10=1) */ + (0x2 << 11) | /* offset = 1 byte */ + (0xCC << 17) | /* rop #204 */ + (0x3 << 25)) ); /* l-r, t-b */ + DMAOUT(vmesa->ScissorWH); + DMAOUT( /* 0 */ vmesa->SrcXY ); + DMAOUT( (dPriv->x << 16) | dPriv->y ); + DMAFINISH(); + + DMAFLUSH(); + + vmesa->restore_primitive = -1; + +} +#endif +} + +static GLboolean +s3vMakeCurrent(__DRIcontextPrivate *driContextPriv, + __DRIdrawablePrivate *driDrawPriv, + __DRIdrawablePrivate *driReadPriv) +{ + int x1,x2,y1,y2; + int cx, cy, cw, ch; + unsigned int src_stride, dest_stride; + int cl; + + s3vContextPtr vmesa; + __DRIdrawablePrivate *dPriv = driDrawPriv; + vmesa = (s3vContextPtr) dPriv->driContextPriv->driverPrivate; + + DEBUG(("s3vMakeCurrent\n")); + + DEBUG(("dPriv->x=%i y=%i w=%i h=%i\n", dPriv->x, dPriv->y, + dPriv->w, dPriv->h)); + + if (driContextPriv) { + GET_CURRENT_CONTEXT(ctx); + s3vContextPtr oldVirgeCtx = ctx ? S3V_CONTEXT(ctx) : NULL; + s3vContextPtr newVirgeCtx = (s3vContextPtr) driContextPriv->driverPrivate; + + if ( newVirgeCtx != oldVirgeCtx ) { + + newVirgeCtx->dirty = ~0; + cl = 1; + DEBUG(("newVirgeCtx != oldVirgeCtx\n")); +/* s3vUpdateClipping(newVirgeCtx->glCtx ); */ + } + + if (newVirgeCtx->driDrawable != driDrawPriv) { + newVirgeCtx->driDrawable = driDrawPriv; + DEBUG(("driDrawable != driDrawPriv\n")); + s3vUpdateWindow ( newVirgeCtx->glCtx ); + s3vUpdateViewportOffset( newVirgeCtx->glCtx ); +/* s3vUpdateClipping(newVirgeCtx->glCtx ); */ + } +/* + s3vUpdateWindow ( newVirgeCtx->glCtx ); + s3vUpdateViewportOffset( newVirgeCtx->glCtx ); +*/ + +/* + _mesa_make_current( newVirgeCtx->glCtx, + (GLframebuffer *) driDrawPriv->driverPrivate, + (GLframebuffer *) driReadPriv->driverPrivate ); + + _mesa_set_viewport(newVirgeCtx->glCtx, 0, 0, + newVirgeCtx->driDrawable->w, + newVirgeCtx->driDrawable->h); +*/ + +#if 0 + newVirgeCtx->Window &= ~W_GIDMask; + newVirgeCtx->Window |= (driDrawPriv->index << 5); + CHECK_DMA_BUFFER(newVirgeCtx,1); + WRITE(newVirgeCtx->buf, S3VWindow, newVirgeCtx->Window); +#endif + + newVirgeCtx->new_state |= S3V_NEW_WINDOW; /* FIXME */ + + _mesa_make_current( newVirgeCtx->glCtx, + (GLframebuffer *) driDrawPriv->driverPrivate, + (GLframebuffer *) driReadPriv->driverPrivate ); + + if (!newVirgeCtx->glCtx->Viewport.Width) { + _mesa_set_viewport(newVirgeCtx->glCtx, 0, 0, + driDrawPriv->w, driDrawPriv->h); + +/* s3vUpdateClipping(newVirgeCtx->glCtx ); */ + } + +/* + if (cl) { + s3vUpdateClipping(newVirgeCtx->glCtx ); + cl =0; + } +*/ + + newVirgeCtx->new_state |= S3V_NEW_CLIP; + + if (1) { + cx = dPriv->x; + cw = dPriv->w; + cy = dPriv->y; + ch = dPriv->h; + } + + x1 = y1 = 0; + x2 = cw-1; + y2 = ch-1; + + /* src_stride = vmesa->s3vScreen->w * vmesa->s3vScreen->cpp; + dest_stride = ((x2+31)&~31) * vmesa->s3vScreen->cpp; */ + src_stride = vmesa->driScreen->fbWidth * 2; + dest_stride = ((x2+31)&~31) * 2; + } else { + _mesa_make_current( NULL, NULL, NULL ); + } + + return GL_TRUE; +} + + +static GLboolean +s3vUnbindContext( __DRIcontextPrivate *driContextPriv ) +{ + return GL_TRUE; +} + +const struct __DriverAPIRec driDriverAPI = { + .InitScreen = s3vInitScreen, + .DestroyScreen = s3vDestroyScreen, + .CreateContext = s3vCreateContext, + .DestroyContext = s3vDestroyContext, + .CreateBuffer = s3vCreateBuffer, + .DestroyBuffer = s3vDestroyBuffer, + .SwapBuffers = s3vSwapBuffers, + .MakeCurrent = s3vMakeCurrent, + .UnbindContext = s3vUnbindContext, +}; |