| #include "glheader.h" |
| #include "macros.h" |
| #include "mtypes.h" |
| #include "colormac.h" |
| |
| #include "i810screen.h" |
| #include "i810_dri.h" |
| |
| #include "i810span.h" |
| #include "i810ioctl.h" |
| #include "swrast/swrast.h" |
| |
| |
| #define DBG 0 |
| |
| #define LOCAL_VARS \ |
| i810ContextPtr imesa = I810_CONTEXT(ctx); \ |
| __DRIdrawablePrivate *dPriv = imesa->driDrawable; \ |
| driRenderbuffer *drb = (driRenderbuffer *) rb; \ |
| GLuint pitch = drb->pitch; \ |
| GLuint height = dPriv->h; \ |
| GLushort p; \ |
| char *buf = (char *)(drb->flippedData + \ |
| dPriv->x * 2 + \ |
| dPriv->y * pitch); \ |
| (void) buf; (void) p |
| |
| #define LOCAL_DEPTH_VARS \ |
| i810ContextPtr imesa = I810_CONTEXT(ctx); \ |
| __DRIdrawablePrivate *dPriv = imesa->driDrawable; \ |
| driRenderbuffer *drb = (driRenderbuffer *) rb; \ |
| GLuint pitch = drb->pitch; \ |
| GLuint height = dPriv->h; \ |
| char *buf = (char *)(drb->Base.Data + \ |
| dPriv->x * 2 + \ |
| dPriv->y * pitch) |
| |
| #define INIT_MONO_PIXEL(p, color) \ |
| p = PACK_COLOR_565( color[0], color[1], color[2] ) |
| |
| #define Y_FLIP(_y) (height - _y - 1) |
| |
| #define HW_LOCK() |
| |
| #define HW_UNLOCK() |
| |
| /* 16 bit, 565 rgb color spanline and pixel functions |
| */ |
| #define WRITE_RGBA( _x, _y, r, g, b, a ) \ |
| *(GLushort *)(buf + _x*2 + _y*pitch) = ( (((int)r & 0xf8) << 8) | \ |
| (((int)g & 0xfc) << 3) | \ |
| (((int)b & 0xf8) >> 3)) |
| #define WRITE_PIXEL( _x, _y, p ) \ |
| *(GLushort *)(buf + _x*2 + _y*pitch) = p |
| |
| #define READ_RGBA( rgba, _x, _y ) \ |
| do { \ |
| GLushort p = *(GLushort *)(buf + _x*2 + _y*pitch); \ |
| rgba[0] = ((p >> 8) & 0xf8) * 255 / 0xf8; \ |
| rgba[1] = ((p >> 3) & 0xfc) * 255 / 0xfc; \ |
| rgba[2] = ((p << 3) & 0xf8) * 255 / 0xf8; \ |
| rgba[3] = 255; \ |
| } while(0) |
| |
| #define TAG(x) i810##x##_565 |
| #include "spantmp.h" |
| |
| /* 16 bit depthbuffer functions. |
| */ |
| #define VALUE_TYPE GLushort |
| |
| #define WRITE_DEPTH( _x, _y, d ) \ |
| *(GLushort *)(buf + (_x)*2 + (_y)*pitch) = d; |
| |
| #define READ_DEPTH( d, _x, _y ) \ |
| d = *(GLushort *)(buf + (_x)*2 + (_y)*pitch); |
| |
| #define TAG(x) i810##x##_z16 |
| #include "depthtmp.h" |
| |
| |
| /* Move locking out to get reasonable span performance. |
| */ |
| void i810SpanRenderStart( GLcontext *ctx ) |
| { |
| i810ContextPtr imesa = I810_CONTEXT(ctx); |
| I810_FIREVERTICES(imesa); |
| LOCK_HARDWARE(imesa); |
| i810RegetLockQuiescent( imesa ); |
| } |
| |
| void i810SpanRenderFinish( GLcontext *ctx ) |
| { |
| i810ContextPtr imesa = I810_CONTEXT( ctx ); |
| _swrast_flush( ctx ); |
| UNLOCK_HARDWARE( imesa ); |
| } |
| |
| void i810InitSpanFuncs( GLcontext *ctx ) |
| { |
| struct swrast_device_driver *swdd = _swrast_GetDeviceDriverReference(ctx); |
| swdd->SpanRenderStart = i810SpanRenderStart; |
| swdd->SpanRenderFinish = i810SpanRenderFinish; |
| } |
| |
| |
| |
| /** |
| * Plug in the Get/Put routines for the given driRenderbuffer. |
| */ |
| void |
| i810SetSpanFunctions(driRenderbuffer *drb, const GLvisual *vis) |
| { |
| if (drb->Base.InternalFormat == GL_RGBA) { |
| /* always 565 RGB */ |
| i810InitPointers_565(&drb->Base); |
| } |
| else if (drb->Base.InternalFormat == GL_DEPTH_COMPONENT16) { |
| i810InitDepthPointers_z16(&drb->Base); |
| } |
| else if (drb->Base.InternalFormat == GL_DEPTH_COMPONENT24) { |
| /* should never get here */ |
| drb->Base.GetRow = NULL; |
| drb->Base.GetValues = NULL; |
| drb->Base.PutRow = NULL; |
| drb->Base.PutMonoRow = NULL; |
| drb->Base.PutValues = NULL; |
| drb->Base.PutMonoValues = NULL; |
| } |
| else if (drb->Base.InternalFormat == GL_STENCIL_INDEX8_EXT) { |
| drb->Base.GetRow = NULL; |
| drb->Base.GetValues = NULL; |
| drb->Base.PutRow = NULL; |
| drb->Base.PutMonoRow = NULL; |
| drb->Base.PutValues = NULL; |
| drb->Base.PutMonoValues = NULL; |
| } |
| } |