From: Jakob Bornecrantz Date: Mon, 2 Jun 2008 15:22:45 +0000 (+0200) Subject: i915: Implement and use the reworked batchbuffer code X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=7cc23a9eaebc788ae34f6e06c6227524d08a7693;p=mesa.git i915: Implement and use the reworked batchbuffer code --- diff --git a/src/gallium/drivers/i915simple/i915_batch.h b/src/gallium/drivers/i915simple/i915_batch.h index 6c62e84bc38..9379d1fb5de 100644 --- a/src/gallium/drivers/i915simple/i915_batch.h +++ b/src/gallium/drivers/i915simple/i915_batch.h @@ -40,6 +40,7 @@ struct i915_batchbuffer unsigned char *ptr; size_t size; + size_t actual_size; size_t relocs; size_t max_relocs; @@ -50,39 +51,25 @@ i915_batchbuffer_check( struct i915_batchbuffer *batch, size_t dwords, size_t relocs ) { -#if 0 /* To be used */ /** TODO JB: Check relocs */ return dwords * 4 <= batch->size - (batch->ptr - batch->map); -#else - if (batch->winsys->batch_start( batch->winsys, dwords, relocs )) - return 1; - return 0; -#endif } static INLINE size_t i915_batchbuffer_space( struct i915_batchbuffer *batch ) { -#if 0 /* To be used */ return batch->size - (batch->ptr - batch->map); -#else - return 0; -#endif } static INLINE void i915_batchbuffer_dword( struct i915_batchbuffer *batch, unsigned dword ) { -#if 0 /* To be used */ if (i915_batchbuffer_space(batch) < 4) return; *(unsigned *)batch->ptr = dword; batch->ptr += 4; -#else - batch->winsys->batch_dword( batch->winsys, dword ); -#endif } static INLINE void @@ -90,14 +77,11 @@ i915_batchbuffer_write( struct i915_batchbuffer *batch, void *data, size_t size ) { -#if 0 /* To be used */ if (i915_batchbuffer_space(batch) < size) return; memcpy(data, batch->ptr, size); batch->ptr += size; -#else -#endif } static INLINE void @@ -135,4 +119,4 @@ i915_batchbuffer_flush( struct i915_batchbuffer *batch, i915->hardware_dirty = ~0; \ } while (0) -#endif +#endif diff --git a/src/gallium/drivers/i915simple/i915_context.c b/src/gallium/drivers/i915simple/i915_context.c index 378e4a5d4db..243b4a68522 100644 --- a/src/gallium/drivers/i915simple/i915_context.c +++ b/src/gallium/drivers/i915simple/i915_context.c @@ -181,7 +181,7 @@ struct pipe_context *i915_create_context( struct pipe_screen *screen, /* Batch stream debugging is a bit hacked up at the moment: */ - i915->batch = CALLOC_STRUCT(i915_batchbuffer); + i915->batch = i915_winsys->batch_get(i915_winsys); i915->batch->winsys = i915_winsys; return &i915->pipe; diff --git a/src/gallium/drivers/i915simple/i915_debug.c b/src/gallium/drivers/i915simple/i915_debug.c index a121dc0af48..5e26d1b9057 100644 --- a/src/gallium/drivers/i915simple/i915_debug.c +++ b/src/gallium/drivers/i915simple/i915_debug.c @@ -861,8 +861,9 @@ void i915_dump_batchbuffer( struct i915_context *i915 ) { struct debug_stream stream; + /* TODO fix me */ unsigned *start = 0;/*i915->batch_start;*/ - unsigned *end = i915->winsys->batch_start( i915->winsys, 0, 0 ); + unsigned *end = 0;/*i915->winsys->batch_start( i915->winsys, 0, 0 );*/ unsigned long bytes = (unsigned long) (end - start) * 4; boolean done = FALSE; diff --git a/src/gallium/drivers/i915simple/i915_winsys.h b/src/gallium/drivers/i915simple/i915_winsys.h index 5e16543f4ec..9afaa16a62c 100644 --- a/src/gallium/drivers/i915simple/i915_winsys.h +++ b/src/gallium/drivers/i915simple/i915_winsys.h @@ -55,6 +55,7 @@ extern "C" { * etc. */ +struct i915_batchbuffer; struct pipe_buffer; struct pipe_fence_handle; struct pipe_winsys; @@ -75,20 +76,10 @@ struct pipe_screen; struct i915_winsys { /** - * Reserve space on batch buffer. - * - * Returns a null pointer if there is insufficient space in the batch buffer - * to hold the requested number of dwords and relocations. - * - * The number of dwords should also include the number of relocations. + * Get the current batch buffer from the winsys. */ - unsigned *(*batch_start)( struct i915_winsys *sws, - unsigned dwords, - unsigned relocs ); - - void (*batch_dword)( struct i915_winsys *sws, - unsigned dword ); - + struct i915_batchbuffer *(*batch_get)( struct i915_winsys *sws ); + /** * Emit a relocation to a buffer. * @@ -103,7 +94,10 @@ struct i915_winsys { struct pipe_buffer *buf, unsigned access_flags, unsigned delta ); - + + /** + * Flush the batch. + */ void (*batch_flush)( struct i915_winsys *sws, struct pipe_fence_handle **fence ); }; diff --git a/src/gallium/winsys/dri/intel/intel_batchbuffer.c b/src/gallium/winsys/dri/intel/intel_batchbuffer.c index 09d4eef4844..aa33c120453 100644 --- a/src/gallium/winsys/dri/intel/intel_batchbuffer.c +++ b/src/gallium/winsys/dri/intel/intel_batchbuffer.c @@ -65,8 +65,10 @@ intel_batchbuffer_reset(struct intel_batchbuffer *batch) driBOUnrefUserList(batch->list); driBOResetList(batch->list); - batch->size = batch->intel->intelScreen->max_batch_size; - driBOData(batch->buffer, batch->size, NULL, NULL, 0); + /* base.size is the size available to the i915simple driver */ + batch->base.size = batch->intel->intelScreen->max_batch_size - BATCH_RESERVED; + batch->base.actual_size = batch->intel->intelScreen->max_batch_size; + driBOData(batch->buffer, batch->base.actual_size, NULL, NULL, 0); /* * Add the batchbuffer to the validate list. @@ -105,9 +107,9 @@ intel_batchbuffer_reset(struct intel_batchbuffer *batch) batch->reloc[2] = 0; /* Only a single relocation list. */ batch->reloc[3] = 0; /* Only a single relocation list. */ - batch->map = driBOMap(batch->buffer, DRM_BO_FLAG_WRITE, 0); + batch->base.map = driBOMap(batch->buffer, DRM_BO_FLAG_WRITE, 0); batch->poolOffset = driBOPoolOffset(batch->buffer); - batch->ptr = batch->map; + batch->base.ptr = batch->base.map; batch->dirty_state = ~0; batch->nr_relocs = 0; batch->flags = 0; @@ -142,9 +144,9 @@ intel_batchbuffer_free(struct intel_batchbuffer *batch) DRM_FENCE_TYPE_EXE, GL_FALSE); driFenceUnReference(&batch->last_fence); } - if (batch->map) { + if (batch->base.map) { driBOUnmap(batch->buffer); - batch->map = NULL; + batch->base.map = NULL; } driBOUnReference(batch->buffer); driBOFreeList(batch->list); @@ -191,7 +193,7 @@ intel_offset_relocation(struct intel_batchbuffer *batch, reloc = batch->reloc + (I915_RELOC_HEADER + batch->nr_relocs * I915_RELOC0_STRIDE); - reloc[0] = ((uint8_t *)batch->ptr - batch->drmBOVirtual); + reloc[0] = ((uint8_t *)batch->base.ptr - batch->drmBOVirtual); intel_batchbuffer_emit_dword(batch, req->presumed_offset + pre_add); reloc[1] = pre_add; reloc[2] = itemLoc; @@ -382,7 +384,7 @@ struct _DriFenceObject * intel_batchbuffer_flush(struct intel_batchbuffer *batch) { struct intel_context *intel = batch->intel; - GLuint used = batch->ptr - batch->map; + GLuint used = batch->base.ptr - batch->base.map; GLboolean was_locked = intel->locked; struct _DriFenceObject *fence; @@ -396,32 +398,32 @@ intel_batchbuffer_flush(struct intel_batchbuffer *batch) */ #if 0 /* ZZZ JB: what should we do here? */ if (used & 4) { - ((int *) batch->ptr)[0] = intel->vtbl.flush_cmd(); - ((int *) batch->ptr)[1] = 0; - ((int *) batch->ptr)[2] = MI_BATCH_BUFFER_END; + ((int *) batch->base.ptr)[0] = intel->vtbl.flush_cmd(); + ((int *) batch->base.ptr)[1] = 0; + ((int *) batch->base.ptr)[2] = MI_BATCH_BUFFER_END; used += 12; } else { - ((int *) batch->ptr)[0] = intel->vtbl.flush_cmd(); - ((int *) batch->ptr)[1] = MI_BATCH_BUFFER_END; + ((int *) batch->base.ptr)[0] = intel->vtbl.flush_cmd(); + ((int *) batch->base.ptr)[1] = MI_BATCH_BUFFER_END; used += 8; } #else if (used & 4) { - ((int *) batch->ptr)[0] = ((0<<29)|(4<<23)); // MI_FLUSH; - ((int *) batch->ptr)[1] = 0; - ((int *) batch->ptr)[2] = (0xA<<23); // MI_BATCH_BUFFER_END; + ((int *) batch->base.ptr)[0] = ((0<<29)|(4<<23)); // MI_FLUSH; + ((int *) batch->base.ptr)[1] = 0; + ((int *) batch->base.ptr)[2] = (0xA<<23); // MI_BATCH_BUFFER_END; used += 12; } else { - ((int *) batch->ptr)[0] = ((0<<29)|(4<<23)); // MI_FLUSH; - ((int *) batch->ptr)[1] = (0xA<<23); // MI_BATCH_BUFFER_END; + ((int *) batch->base.ptr)[0] = ((0<<29)|(4<<23)); // MI_FLUSH; + ((int *) batch->base.ptr)[1] = (0xA<<23); // MI_BATCH_BUFFER_END; used += 8; } #endif driBOUnmap(batch->buffer); - batch->ptr = NULL; - batch->map = NULL; + batch->base.ptr = NULL; + batch->base.map = NULL; /* TODO: Just pass the relocation list and dma buffer up to the * kernel. @@ -455,6 +457,6 @@ intel_batchbuffer_data(struct intel_batchbuffer *batch, { assert((bytes & 3) == 0); intel_batchbuffer_require_space(batch, bytes, flags); - memcpy(batch->ptr, data, bytes); - batch->ptr += bytes; + memcpy(batch->base.ptr, data, bytes); + batch->base.ptr += bytes; } diff --git a/src/gallium/winsys/dri/intel/intel_batchbuffer.h b/src/gallium/winsys/dri/intel/intel_batchbuffer.h index 9e4b8043bfb..dcb2121ddfd 100644 --- a/src/gallium/winsys/dri/intel/intel_batchbuffer.h +++ b/src/gallium/winsys/dri/intel/intel_batchbuffer.h @@ -3,6 +3,7 @@ #include "mtypes.h" #include "ws_dri_bufmgr.h" +#include "i915simple/i915_batch.h" struct intel_context; @@ -17,7 +18,8 @@ struct intel_context; struct intel_batchbuffer { - struct bufmgr *bm; + struct i915_batchbuffer base; + struct intel_context *intel; struct _DriBufferObject *buffer; @@ -26,15 +28,11 @@ struct intel_batchbuffer struct _DriBufferList *list; GLuint list_count; - GLubyte *map; - GLubyte *ptr; uint32_t *reloc; GLuint reloc_size; GLuint nr_relocs; - GLuint size; - GLuint dirty_state; GLuint id; @@ -83,7 +81,7 @@ intel_offset_relocation(struct intel_batchbuffer *batch, static INLINE GLuint intel_batchbuffer_space(struct intel_batchbuffer *batch) { - return (batch->size - BATCH_RESERVED) - (batch->ptr - batch->map); + return (batch->base.size - BATCH_RESERVED) - (batch->base.ptr - batch->base.map); } @@ -92,8 +90,8 @@ intel_batchbuffer_emit_dword(struct intel_batchbuffer *batch, GLuint dword) { assert(batch->map); assert(intel_batchbuffer_space(batch) >= 4); - *(GLuint *) (batch->ptr) = dword; - batch->ptr += 4; + *(GLuint *) (batch->base.ptr) = dword; + batch->base.ptr += 4; } static INLINE void @@ -114,20 +112,25 @@ intel_batchbuffer_require_space(struct intel_batchbuffer *batch, /* Here are the crusty old macros, to be removed: */ +#undef BATCH_LOCALS #define BATCH_LOCALS +#undef BEGIN_BATCH #define BEGIN_BATCH(n, flags) do { \ assert(!intel->prim.flush); \ intel_batchbuffer_require_space(intel->batch, (n)*4, flags); \ } while (0) +#undef OUT_BATCH #define OUT_BATCH(d) intel_batchbuffer_emit_dword(intel->batch, d) +#undef OUT_RELOC #define OUT_RELOC(buf,flags,mask,delta) do { \ assert((delta) >= 0); \ intel_offset_relocation(intel->batch, delta, buf, flags, mask); \ } while (0) +#undef ADVANCE_BATCH #define ADVANCE_BATCH() do { } while(0) diff --git a/src/gallium/winsys/dri/intel/intel_winsys_i915.c b/src/gallium/winsys/dri/intel/intel_winsys_i915.c index a35825d36ab..013291364a1 100644 --- a/src/gallium/winsys/dri/intel/intel_winsys_i915.c +++ b/src/gallium/winsys/dri/intel/intel_winsys_i915.c @@ -63,28 +63,11 @@ intel_i915_winsys( struct i915_winsys *sws ) /* Simple batchbuffer interface: */ -static unsigned *intel_i915_batch_start( struct i915_winsys *sws, - unsigned dwords, - unsigned relocs ) +static struct i915_batchbuffer* +intel_i915_batch_get( struct i915_winsys *sws ) { struct intel_context *intel = intel_i915_winsys(sws)->intel; - - /* XXX: check relocs. - */ - if (intel_batchbuffer_space( intel->batch ) >= dwords * 4) { - /* XXX: Hmm, the driver can't really do much with this pointer: - */ - return (unsigned *)intel->batch->ptr; - } - else - return NULL; -} - -static void intel_i915_batch_dword( struct i915_winsys *sws, - unsigned dword ) -{ - struct intel_context *intel = intel_i915_winsys(sws)->intel; - intel_batchbuffer_emit_dword( intel->batch, dword ); + return &intel->batch->base; } static void intel_i915_batch_reloc( struct i915_winsys *sws, @@ -106,22 +89,13 @@ static void intel_i915_batch_reloc( struct i915_winsys *sws, mask |= DRM_BO_FLAG_READ; } -#if 0 /* JB old */ - intel_batchbuffer_emit_reloc( intel->batch, - dri_bo( buf ), - flags, mask, - delta ); -#else /* new */ intel_offset_relocation( intel->batch, delta, dri_bo( buf ), flags, mask ); -#endif } - - static void intel_i915_batch_flush( struct i915_winsys *sws, struct pipe_fence_handle **fence ) { @@ -166,8 +140,7 @@ intel_create_i915simple( struct intel_context *intel, /* Fill in this struct with callbacks that i915simple will need to * communicate with the window system, buffer manager, etc. */ - iws->winsys.batch_start = intel_i915_batch_start; - iws->winsys.batch_dword = intel_i915_batch_dword; + iws->winsys.batch_get = intel_i915_batch_get; iws->winsys.batch_reloc = intel_i915_batch_reloc; iws->winsys.batch_flush = intel_i915_batch_flush; iws->pws = winsys;