diff options
author | Keith Whitwell <[email protected]> | 2009-10-25 00:02:16 +0100 |
---|---|---|
committer | Keith Whitwell <[email protected]> | 2009-10-25 00:02:16 +0100 |
commit | 4dd2f6640b70e2313f8771f7588aa49a861153aa (patch) | |
tree | d2cbc2b694839380de8e31a8a72f8c3d8f7c5eb1 /src | |
parent | 4f7931bb3554cb1839adc2044e3abe6d4af8b0b5 (diff) |
i965g: more work on compiling, particularly the brw_draw files
Diffstat (limited to 'src')
33 files changed, 722 insertions, 404 deletions
diff --git a/src/gallium/auxiliary/util/u_debug.c b/src/gallium/auxiliary/util/u_debug.c index 96d400c839b..321ac59a7db 100644 --- a/src/gallium/auxiliary/util/u_debug.c +++ b/src/gallium/auxiliary/util/u_debug.c @@ -69,6 +69,7 @@ #include "util/u_stream.h" #include "util/u_math.h" #include "util/u_tile.h" +#include "util/u_prim.h" #ifdef PIPE_SUBSYSTEM_WINDOWS_DISPLAY @@ -600,6 +601,32 @@ const char *pf_name( enum pipe_format format ) } + +static const struct debug_named_value pipe_prim_names[] = { +#ifdef DEBUG + DEBUG_NAMED_VALUE(PIPE_PRIM_POINTS), + DEBUG_NAMED_VALUE(PIPE_PRIM_LINES), + DEBUG_NAMED_VALUE(PIPE_PRIM_LINE_LOOP), + DEBUG_NAMED_VALUE(PIPE_PRIM_LINE_STRIP), + DEBUG_NAMED_VALUE(PIPE_PRIM_TRIANGLES), + DEBUG_NAMED_VALUE(PIPE_PRIM_TRIANGLE_STRIP), + DEBUG_NAMED_VALUE(PIPE_PRIM_TRIANGLE_FAN), + DEBUG_NAMED_VALUE(PIPE_PRIM_QUADS), + DEBUG_NAMED_VALUE(PIPE_PRIM_QUAD_STRIP), + DEBUG_NAMED_VALUE(PIPE_PRIM_POLYGON), +#endif + DEBUG_NAMED_VALUE_END +}; + + +const char *u_prim_name( unsigned prim ) +{ + return debug_dump_enum(pipe_prim_names, prim); +} + + + + #ifdef DEBUG void debug_dump_image(const char *prefix, unsigned format, unsigned cpp, diff --git a/src/gallium/auxiliary/util/u_prim.h b/src/gallium/auxiliary/util/u_prim.h index a9b533eea70..74343299623 100644 --- a/src/gallium/auxiliary/util/u_prim.h +++ b/src/gallium/auxiliary/util/u_prim.h @@ -135,4 +135,6 @@ static INLINE unsigned u_reduced_prim( unsigned pipe_prim ) } } +const char *u_prim_name( unsigned pipe_prim ); + #endif diff --git a/src/gallium/auxiliary/util/u_upload_mgr.h b/src/gallium/auxiliary/util/u_upload_mgr.h index 745b5834af6..d414a1f2f62 100644 --- a/src/gallium/auxiliary/util/u_upload_mgr.h +++ b/src/gallium/auxiliary/util/u_upload_mgr.h @@ -32,6 +32,8 @@ #ifndef U_UPLOAD_MGR_H #define U_UPLOAD_MGR_H +#include "pipe/p_error.h" + struct pipe_screen; struct pipe_buffer; struct u_upload_mgr; diff --git a/src/gallium/drivers/i965/Makefile b/src/gallium/drivers/i965/Makefile index 40c83648249..40e8aa8786d 100644 --- a/src/gallium/drivers/i965/Makefile +++ b/src/gallium/drivers/i965/Makefile @@ -61,7 +61,7 @@ C_SOURCES = \ brw_wm_state.c \ brw_wm_surface_state.c \ brw_bo.c \ - intel_batchbuffer.c \ + brw_batchbuffer.c \ intel_tex_layout.c include ../../Makefile.template diff --git a/src/gallium/drivers/i965/brw_batchbuffer.c b/src/gallium/drivers/i965/brw_batchbuffer.c new file mode 100644 index 00000000000..8bcac76ede1 --- /dev/null +++ b/src/gallium/drivers/i965/brw_batchbuffer.c @@ -0,0 +1,198 @@ +/************************************************************************** + * + * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#include "brw_batchbuffer.h" +#include "brw_decode.h" +#include "brw_reg.h" +#include "brw_winsys.h" + + +void +brw_batchbuffer_reset(struct brw_batchbuffer *batch) +{ + struct intel_context *intel = batch->intel; + + if (batch->buf != NULL) { + brw->sws->bo_unreference(batch->buf); + batch->buf = NULL; + } + + if (!batch->buffer && intel->ttm == GL_TRUE) + batch->buffer = malloc (intel->maxBatchSize); + + batch->buf = batch->sws->bo_alloc(batch->sws, + BRW_BUFFER_TYPE_BATCH, + intel->maxBatchSize, 4096); + if (batch->buffer) + batch->map = batch->buffer; + else { + batch->sws->bo_map(batch->buf, GL_TRUE); + batch->map = batch->buf->virtual; + } + batch->size = intel->maxBatchSize; + batch->ptr = batch->map; + batch->dirty_state = ~0; + batch->cliprect_mode = IGNORE_CLIPRECTS; +} + +struct brw_batchbuffer * +brw_batchbuffer_alloc(struct brw_winsys_screen *sws) +{ + struct brw_batchbuffer *batch = CALLOC_STRUCT(brw_batchbuffer); + + batch->sws = sws; + brw_batchbuffer_reset(batch); + + return batch; +} + +void +brw_batchbuffer_free(struct brw_batchbuffer *batch) +{ + if (batch->map) { + dri_bo_unmap(batch->buf); + batch->map = NULL; + } + + brw->sws->bo_unreference(batch->buf); + batch->buf = NULL; + FREE(batch); +} + + +void +_brw_batchbuffer_flush(struct brw_batchbuffer *batch, const char *file, + int line) +{ + struct intel_context *intel = batch->intel; + GLuint used = batch->ptr - batch->map; + + if (used == 0) + return; + + if (intel->first_post_swapbuffers_batch == NULL) { + intel->first_post_swapbuffers_batch = intel->batch->buf; + batch->sws->bo_reference(intel->first_post_swapbuffers_batch); + } + + if (intel->first_post_swapbuffers_batch == NULL) { + intel->first_post_swapbuffers_batch = intel->batch->buf; + batch->sws->bo_reference(intel->first_post_swapbuffers_batch); + } + + + if (INTEL_DEBUG & DEBUG_BATCH) + fprintf(stderr, "%s:%d: Batchbuffer flush with %db used\n", file, line, + used); + + /* Emit a flush if the bufmgr doesn't do it for us. */ + if (intel->always_flush_cache || !intel->ttm) { + *(GLuint *) (batch->ptr) = intel->vtbl.flush_cmd(); + batch->ptr += 4; + used = batch->ptr - batch->map; + } + + /* Round batchbuffer usage to 2 DWORDs. */ + + if ((used & 4) == 0) { + *(GLuint *) (batch->ptr) = 0; /* noop */ + batch->ptr += 4; + used = batch->ptr - batch->map; + } + + /* Mark the end of the buffer. */ + *(GLuint *) (batch->ptr) = MI_BATCH_BUFFER_END; /* noop */ + batch->ptr += 4; + used = batch->ptr - batch->map; + + batch->sws->bo_unmap(batch->buf); + + batch->map = NULL; + batch->ptr = NULL; + + batch->sws->bo_exec(batch->buf, used, NULL, 0, 0 ); + + if (INTEL_DEBUG & DEBUG_BATCH) { + dri_bo_map(batch->buf, GL_FALSE); + intel_decode(batch->buf->virtual, used / 4, batch->buf->offset, + brw->brw_screen->pci_id); + dri_bo_unmap(batch->buf); + } + + if (INTEL_DEBUG & DEBUG_SYNC) { + fprintf(stderr, "waiting for idle\n"); + dri_bo_map(batch->buf, GL_TRUE); + dri_bo_unmap(batch->buf); + } + + /* Reset the buffer: + */ + brw_batchbuffer_reset(batch); +} + + +/* This is the only way buffers get added to the validate list. + */ +GLboolean +brw_batchbuffer_emit_reloc(struct brw_batchbuffer *batch, + struct brw_winsys_buffer *buffer, + uint32_t read_domains, uint32_t write_domain, + uint32_t delta) +{ + int ret; + + if (batch->ptr - batch->map > batch->buf->size) + _mesa_printf ("bad relocation ptr %p map %p offset %d size %d\n", + batch->ptr, batch->map, batch->ptr - batch->map, batch->buf->size); + + ret = batch->sws->bo_emit_reloc(batch->buf, + read_domains, + write_domain, + delta, + batch->ptr - batch->map, + buffer); + + /* + * Using the old buffer offset, write in what the right data would be, in case + * the buffer doesn't move and we can short-circuit the relocation processing + * in the kernel + */ + brw_batchbuffer_emit_dword (batch, buffer->offset + delta); + + return GL_TRUE; +} + +void +brw_batchbuffer_data(struct brw_batchbuffer *batch, + const void *data, GLuint bytes, + enum cliprect_mode cliprect_mode) +{ + assert((bytes & 3) == 0); + brw_batchbuffer_require_space(batch, bytes); + __memcpy(batch->ptr, data, bytes); + batch->ptr += bytes; +} diff --git a/src/gallium/drivers/i965/brw_batchbuffer.h b/src/gallium/drivers/i965/brw_batchbuffer.h index b8492882e10..25bb9cefcac 100644 --- a/src/gallium/drivers/i965/brw_batchbuffer.h +++ b/src/gallium/drivers/i965/brw_batchbuffer.h @@ -33,18 +33,16 @@ void brw_batchbuffer_reset(struct brw_batchbuffer *batch); * Consider it a convenience function wrapping multple * intel_buffer_dword() calls. */ -void brw_batchbuffer_data(struct brw_batchbuffer *batch, +int brw_batchbuffer_data(struct brw_batchbuffer *batch, const void *data, GLuint bytes, enum cliprect_mode cliprect_mode); -void brw_batchbuffer_release_space(struct brw_batchbuffer *batch, - GLuint bytes); -GLboolean brw_batchbuffer_emit_reloc(struct brw_batchbuffer *batch, - struct brw_winsys_buffer *buffer, - uint32_t read_domains, - uint32_t write_domain, - uint32_t offset); +int brw_batchbuffer_emit_reloc(struct brw_batchbuffer *batch, + struct brw_winsys_buffer *buffer, + uint32_t read_domains, + uint32_t write_domain, + uint32_t offset); /* Inline functions - might actually be better off with these * non-inlined. Certainly better off switching all command packets to diff --git a/src/gallium/drivers/i965/brw_cc.c b/src/gallium/drivers/i965/brw_cc.c index 76759304eb0..ca10bc73f6c 100644 --- a/src/gallium/drivers/i965/brw_cc.c +++ b/src/gallium/drivers/i965/brw_cc.c @@ -57,7 +57,7 @@ static void calc_sane_viewport( const struct pipe_viewport_state *vp, svp->far = 1; } -static void prepare_cc_vp( struct brw_context *brw ) +static int prepare_cc_vp( struct brw_context *brw ) { struct brw_cc_viewport ccv; struct sane_viewport svp; @@ -72,6 +72,8 @@ static void prepare_cc_vp( struct brw_context *brw ) brw->sws->bo_unreference(brw->cc.vp_bo); brw->cc.vp_bo = brw_cache_data( &brw->cache, BRW_CC_VP, &ccv, NULL, 0 ); + + return 0; } const struct brw_tracked_state brw_cc_vp = { @@ -158,7 +160,7 @@ cc_unit_create_from_key(struct brw_context *brw, struct brw_cc_unit_key *key) return bo; } -static void prepare_cc_unit( struct brw_context *brw ) +static int prepare_cc_unit( struct brw_context *brw ) { struct brw_cc_unit_key key; @@ -172,6 +174,8 @@ static void prepare_cc_unit( struct brw_context *brw ) if (brw->cc.state_bo == NULL) brw->cc.state_bo = cc_unit_create_from_key(brw, &key); + + return 0; } const struct brw_tracked_state brw_cc_unit = { diff --git a/src/gallium/drivers/i965/brw_clip.c b/src/gallium/drivers/i965/brw_clip.c index 622d9dba96a..1a52fa771bf 100644 --- a/src/gallium/drivers/i965/brw_clip.c +++ b/src/gallium/drivers/i965/brw_clip.c @@ -146,7 +146,7 @@ static void compile_clip_prog( struct brw_context *brw, /* Calculate interpolants for triangle and line rasterization. */ -static void upload_clip_prog(struct brw_context *brw) +static int upload_clip_prog(struct brw_context *brw) { struct brw_clip_prog_key key; @@ -173,6 +173,8 @@ static void upload_clip_prog(struct brw_context *brw) &brw->clip.prog_data); if (brw->clip.prog_bo == NULL) compile_clip_prog( brw, &key ); + + return 0; } diff --git a/src/gallium/drivers/i965/brw_clip_state.c b/src/gallium/drivers/i965/brw_clip_state.c index 25b8c6372fa..bf4e6f51036 100644 --- a/src/gallium/drivers/i965/brw_clip_state.c +++ b/src/gallium/drivers/i965/brw_clip_state.c @@ -159,7 +159,7 @@ clip_unit_create_from_key(struct brw_context *brw, return bo; } -static void upload_clip_unit( struct brw_context *brw ) +static int upload_clip_unit( struct brw_context *brw ) { struct brw_clip_unit_key key; @@ -173,6 +173,8 @@ static void upload_clip_unit( struct brw_context *brw ) if (brw->clip.state_bo == NULL) { brw->clip.state_bo = clip_unit_create_from_key(brw, &key); } + + return 0; } const struct brw_tracked_state brw_clip_unit = { diff --git a/src/gallium/drivers/i965/brw_context.c b/src/gallium/drivers/i965/brw_context.c index e9605bafe6b..e10b7d8bf55 100644 --- a/src/gallium/drivers/i965/brw_context.c +++ b/src/gallium/drivers/i965/brw_context.c @@ -105,7 +105,7 @@ struct pipe_context *brw_create_context(struct pipe_screen *screen) brw->state.dirty.mesa = ~0; brw->state.dirty.brw = ~0; - brw->emit_state_always = 0; + brw->flags.always_emit_state = 0; make_empty_list(&brw->query.active_head); diff --git a/src/gallium/drivers/i965/brw_context.h b/src/gallium/drivers/i965/brw_context.h index dd782fdba9e..7ead641811c 100644 --- a/src/gallium/drivers/i965/brw_context.h +++ b/src/gallium/drivers/i965/brw_context.h @@ -182,6 +182,8 @@ struct brw_fragment_shader { #define PIPE_NEW_FRAGMENT_CONSTANTS 0x2 #define PIPE_NEW_VERTEX_CONSTANTS 0x2 #define PIPE_NEW_CLIP 0x2 +#define PIPE_NEW_INDEX_BUFFER 0x2 +#define PIPE_NEW_INDEX_RANGE 0x2 #define BRW_NEW_URB_FENCE 0x1 @@ -387,8 +389,8 @@ struct brw_cache { */ struct brw_tracked_state { struct brw_state_flags dirty; - void (*prepare)( struct brw_context *brw ); - void (*emit)( struct brw_context *brw ); + int (*prepare)( struct brw_context *brw ); + int (*emit)( struct brw_context *brw ); }; /* Flags for brw->state.cache. @@ -465,9 +467,7 @@ struct brw_context GLuint primitive; GLuint reduced_primitive; - GLboolean emit_state_always; - - /* Active vertex program: + /* Active state from the state tracker: */ struct { const struct brw_vertex_shader *vertex_shader; @@ -475,11 +475,31 @@ struct brw_context const struct brw_blend_state *blend; const struct brw_rasterizer_state *rast; const struct brw_depth_stencil_alpha_state *zstencil; + + struct pipe_vertex_element vertex_element[PIPE_MAX_ATTRIBS]; + struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS]; + unsigned num_vertex_elements; + unsigned num_vertex_buffers; + struct pipe_framebuffer_state fb; struct pipe_viewport_state vp; struct pipe_clip_state ucp; struct pipe_buffer *vertex_constants; struct pipe_buffer *fragment_constants; + + /** + * Index buffer for this draw_prims call. + * + * Updates are signaled by PIPE_NEW_INDEX_BUFFER. + */ + struct pipe_buffer *index_buffer; + unsigned index_size; + + /* Updates are signalled by PIPE_NEW_INDEX_RANGE: + */ + unsigned min_index; + unsigned max_index; + } curr; struct { @@ -504,30 +524,26 @@ struct brw_context struct brw_cached_batch_item *cached_batch_items; struct { - struct pipe_vertex_element vertex_element[PIPE_MAX_ATTRIBS]; - struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS]; - unsigned num_vertex_element; - unsigned num_vertex_buffer; - struct u_upload_mgr *upload_vertex; struct u_upload_mgr *upload_index; - - /* Summary of size and varying of active arrays, so we can check - * for changes to this state: + /* Information on uploaded vertex buffers: */ - struct brw_vertex_info info; - unsigned int min_index, max_index; + struct { + unsigned stride; /* in bytes between successive vertices */ + unsigned offset; /* in bytes, of first vertex in bo */ + unsigned vertex_count; /* count of valid vertices which may be accessed */ + struct brw_winsys_buffer *bo; + } vb[PIPE_MAX_ATTRIBS]; + + struct { + } ve[PIPE_MAX_ATTRIBS]; + + unsigned nr_vb; /* currently the same as curr.num_vertex_buffers */ + unsigned nr_ve; /* currently the same as curr.num_vertex_elements */ } vb; struct { - /** - * Index buffer for this draw_prims call. - * - * Updates are signaled by BRW_NEW_INDICES. - */ - const struct _mesa_index_buffer *ib; - /* Updates to these fields are signaled by BRW_NEW_INDEX_BUFFER. */ struct brw_winsys_buffer *bo; unsigned int offset; @@ -668,6 +684,14 @@ struct brw_context int index; GLboolean active; } query; + + struct { + unsigned always_emit_state:1; + unsigned always_flush_batch:1; + unsigned force_swtnl:1; + unsigned no_swtnl:1; + } flags; + /* Used to give every program string a unique id */ GLuint program_id; diff --git a/src/gallium/drivers/i965/brw_curbe.c b/src/gallium/drivers/i965/brw_curbe.c index edc39ff2236..278ffa4ca25 100644 --- a/src/gallium/drivers/i965/brw_curbe.c +++ b/src/gallium/drivers/i965/brw_curbe.c @@ -48,7 +48,7 @@ * constants. That greatly reduces the demand for space in the CURBE. * Some of the comments within are dated... */ -static void calculate_curbe_offsets( struct brw_context *brw ) +static int calculate_curbe_offsets( struct brw_context *brw ) { /* CACHE_NEW_WM_PROG */ const GLuint nr_fp_regs = (brw->wm.prog_data->nr_params + 15) / 16; @@ -104,6 +104,8 @@ static void calculate_curbe_offsets( struct brw_context *brw ) brw->state.dirty.brw |= BRW_NEW_CURBE_OFFSETS; } + + return 0; } @@ -157,7 +159,7 @@ static GLfloat fixed_plane[6][4] = { * cache mechanism, but maybe would benefit from a comparison against * the current uploaded set of constants. */ -static void prepare_constant_buffer(struct brw_context *brw) +static int prepare_constant_buffer(struct brw_context *brw) { const GLuint sz = brw->curbe.total_size; const GLuint bufsz = sz * 16 * sizeof(GLfloat); @@ -170,7 +172,7 @@ static void prepare_constant_buffer(struct brw_context *brw) brw->curbe.last_buf = NULL; brw->curbe.last_bufsz = 0; } - return; + return 0; } buf = (GLfloat *) CALLOC(bufsz, 1); @@ -305,9 +307,11 @@ static void prepare_constant_buffer(struct brw_context *brw) * flushes as necessary when doublebuffering of CURBEs isn't * possible. */ + + return 0; } -static void emit_constant_buffer(struct brw_context *brw) +static int emit_constant_buffer(struct brw_context *brw) { GLuint sz = brw->curbe.total_size; @@ -322,6 +326,7 @@ static void emit_constant_buffer(struct brw_context *brw) (sz - 1) + brw->curbe.curbe_offset); } ADVANCE_BATCH(); + return 0; } const struct brw_tracked_state brw_constant_buffer = { diff --git a/src/gallium/drivers/i965/brw_draw.c b/src/gallium/drivers/i965/brw_draw.c index 7af490bc5ae..b5fe7c96010 100644 --- a/src/gallium/drivers/i965/brw_draw.c +++ b/src/gallium/drivers/i965/brw_draw.c @@ -26,15 +26,18 @@ **************************************************************************/ +#include "util/u_prim.h" +#include "util/u_upload_mgr.h" + #include "brw_draw.h" #include "brw_defines.h" #include "brw_context.h" #include "brw_state.h" #include "brw_debug.h" +#include "brw_screen.h" #include "brw_batchbuffer.h" -#define FILE_DEBUG_FLAG DEBUG_BATCH static uint32_t prim_to_hw_prim[PIPE_PRIM_POLYGON+1] = { _3DPRIM_POINTLIST, @@ -56,18 +59,21 @@ static uint32_t prim_to_hw_prim[PIPE_PRIM_POLYGON+1] = { * programs be immune to the active primitive (ie. cope with all * possibilities). That may not be realistic however. */ -static GLuint brw_set_prim(struct brw_context *brw, unsigned prim) +static int brw_set_prim(struct brw_context *brw, unsigned prim ) { if (BRW_DEBUG & DEBUG_PRIMS) debug_printf("PRIM: %s\n", u_prim_name(prim)); if (prim != brw->primitive) { + unsigned reduced_prim; + brw->primitive = prim; brw->state.dirty.brw |= BRW_NEW_PRIMITIVE; - if (reduced_prim[prim] != brw->reduced_primitive) { - brw->reduced_primitive = reduced_prim[prim]; + reduced_prim = u_reduced_prim(prim); + if (reduced_prim != brw->reduced_primitive) { + brw->reduced_primitive = reduced_prim; brw->state.dirty.brw |= BRW_NEW_REDUCED_PRIMITIVE; } } @@ -77,17 +83,14 @@ static GLuint brw_set_prim(struct brw_context *brw, unsigned prim) -static enum pipe_error brw_emit_prim(struct brw_context *brw, - unsigned prim, - unsigned start, - unsigned count, - boolean indexed, - uint32_t hw_prim) +static int brw_emit_prim(struct brw_context *brw, + unsigned start, + unsigned count, + boolean indexed, + uint32_t hw_prim) { struct brw_3d_primitive prim_packet; - - if (INTEL_DEBUG & DEBUG_PRIMS) - debug_printf("PRIM: %s %d %d\n", u_prim_name(prim), start, count); + int ret; prim_packet.header.opcode = CMD_3D_PRIM; prim_packet.header.length = sizeof(prim_packet)/4 - 2; @@ -101,7 +104,7 @@ static enum pipe_error brw_emit_prim(struct brw_context *brw, prim_packet.start_vert_location += brw->ib.start_vertex_offset; prim_packet.instance_count = 1; prim_packet.start_instance_location = 0; - prim_packet.base_vert_location = prim->basevertex; + prim_packet.base_vert_location = 0; // prim->basevertex; XXX: add this to gallium /* If we're set to always flush, do it before and after the primitive emit. @@ -109,20 +112,20 @@ static enum pipe_error brw_emit_prim(struct brw_context *brw, * and missed flushes of the render cache as it heads to other parts of * the besides the draw code. */ - if (intel->always_flush_cache) { - BEGIN_BATCH(1, IGNORE_CLIPRECTS) - OUT_BATCH(intel->vtbl.flush_cmd()); + if (0) { + BEGIN_BATCH(1, IGNORE_CLIPRECTS); + OUT_BATCH((CMD_MI_FLUSH << 16) | BRW_FLUSH_STATE_CACHE); ADVANCE_BATCH(); } if (prim_packet.verts_per_instance) { - ret = brw_batchbuffer_data( brw->intel.batch, &prim_packet, + ret = brw_batchbuffer_data( brw->batch, &prim_packet, sizeof(prim_packet), LOOP_CLIPRECTS); if (ret) return ret; } - if (intel->always_flush_cache) { + if (0) { BEGIN_BATCH(1, IGNORE_CLIPRECTS); - OUT_BATCH(intel->vtbl.flush_cmd()); + OUT_BATCH((CMD_MI_FLUSH << 16) | BRW_FLUSH_STATE_CACHE); ADVANCE_BATCH(); } @@ -133,44 +136,24 @@ static enum pipe_error brw_emit_prim(struct brw_context *brw, /* May fail if out of video memory for texture or vbo upload, or on * fallback conditions. */ -static GLboolean brw_try_draw_prims( struct brw_context *brw, - const struct gl_client_array *arrays[], - const struct _mesa_prim *prim, - GLuint nr_prims, - const struct _mesa_index_buffer *ib, - GLuint min_index, - GLuint max_index ) +static int +try_draw_range_elements(struct brw_context *brw, + struct pipe_buffer *index_buffer, + unsigned hw_prim, + unsigned start, unsigned count) { - struct brw_context *brw = brw_context(ctx); - GLboolean retval = GL_FALSE; - GLboolean warn = GL_FALSE; - GLboolean first_time = GL_TRUE; - uint32_t hw_prim; - GLuint i; - - if (ctx->NewState) - _mesa_update_state( ctx ); - - /* Bind all inputs, derive varying and size information: - */ - brw_merge_inputs( brw, arrays ); - - brw->ib.ib = ib; - brw->state.dirty.brw |= BRW_NEW_INDICES; - - brw->vb.min_index = min_index; - brw->vb.max_index = max_index; - brw->state.dirty.brw |= BRW_NEW_VERTICES; - - hw_prim = brw_set_prim(brw, prim[i].mode); + int ret; - brw_validate_state(brw); + ret = brw_validate_state(brw); + if (ret) + return ret; /* Check that we can fit our state in with our existing batchbuffer, or * flush otherwise. */ - ret = dri_bufmgr_check_aperture_space(brw->state.validated_bos, - brw->state.validated_bo_count); + ret = brw->sws->check_aperture_space(brw->sws, + brw->state.validated_bos, + brw->state.validated_bo_count); if (ret) return ret; @@ -178,12 +161,12 @@ static GLboolean brw_try_draw_prims( struct brw_context *brw, if (ret) return ret; - ret = brw_emit_prim(brw, &prim[i], hw_prim); + ret = brw_emit_prim(brw, start, count, index_buffer != NULL, hw_prim); if (ret) return ret; - if (intel->always_flush_batch) - brw_batchbuffer_flush(intel->batch); + if (brw->flags.always_flush_batch) + brw_batchbuffer_flush(brw->batch); return 0; } @@ -197,22 +180,45 @@ brw_draw_range_elements(struct pipe_context *pipe, unsigned max_index, unsigned mode, unsigned start, unsigned count) { - enum pipe_error ret; + struct brw_context *brw = brw_context(pipe); + int ret; + uint32_t hw_prim; + + hw_prim = brw_set_prim(brw, mode); - if (!vbo_all_varyings_in_vbos(arrays)) { - if (!index_bounds_valid) - vbo_get_minmax_index(ctx, prim, ib, &min_index, &max_index); + if (BRW_DEBUG & DEBUG_PRIMS) + debug_printf("PRIM: %s %d %d\n", u_prim_name(mode), start, count); + + /* Potentially trigger upload of new index buffer. + * + * XXX: do we need to go through state validation to achieve this? + * Could just call upload code directly. + */ + if (brw->curr.index_buffer != index_buffer) { + pipe_buffer_reference( &brw->curr.index_buffer, index_buffer ); + brw->state.dirty.mesa |= PIPE_NEW_INDEX_BUFFER; + } + + /* XXX: do we really care? + */ + if (brw->curr.min_index != min_index || + brw->curr.max_index != max_index) + { + brw->curr.min_index = min_index; + brw->curr.max_index = max_index; + brw->state.dirty.mesa |= PIPE_NEW_INDEX_RANGE; } + /* Make a first attempt at drawing: */ - ret = brw_try_draw_prims(ctx, arrays, prim, nr_prims, ib, min_index, max_index); + ret = try_draw_range_elements(brw, index_buffer, hw_prim, start, count ); /* Otherwise, flush and retry: */ if (ret != 0) { - brw_batchbuffer_flush(intel->batch); - ret = brw_try_draw_prims(ctx, arrays, prim, nr_prims, ib, min_index, max_index); + brw_batchbuffer_flush(brw->batch); + ret = try_draw_range_elements(brw, index_buffer, hw_prim, start, count ); assert(ret == 0); } @@ -242,28 +248,37 @@ brw_draw_arrays(struct pipe_context *pipe, unsigned mode, -void brw_draw_init( struct brw_context *brw ) +boolean brw_draw_init( struct brw_context *brw ) { /* Register our drawing function: */ brw->base.draw_arrays = brw_draw_arrays; brw->base.draw_elements = brw_draw_elements; brw->base.draw_range_elements = brw_draw_range_elements; -} -void brw_draw_destroy( struct brw_context *brw ) -{ - int i; + /* Create helpers for uploading data in user buffers: + */ + brw->vb.upload_vertex = u_upload_create( &brw->brw_screen->base, + 128 * 1024, + 64, + PIPE_BUFFER_USAGE_VERTEX ); + if (brw->vb.upload_vertex == NULL) + return FALSE; + + brw->vb.upload_index = u_upload_create( &brw->brw_screen->base, + 128 * 1024, + 64, + PIPE_BUFFER_USAGE_INDEX ); + if (brw->vb.upload_index == NULL) + return FALSE; - if (brw->vb.upload.bo != NULL) { - brw->sws->bo_unreference(brw->vb.upload.bo); - brw->vb.upload.bo = NULL; - } + return TRUE; +} - for (i = 0; i < VERT_ATTRIB_MAX; i++) { - brw->sws->bo_unreference(brw->vb.inputs[i].bo); - brw->vb.inputs[i].bo = NULL; - } +void brw_draw_cleanup( struct brw_context *brw ) +{ + u_upload_destroy( brw->vb.upload_vertex ); + u_upload_destroy( brw->vb.upload_index ); brw->sws->bo_unreference(brw->ib.bo); brw->ib.bo = NULL; diff --git a/src/gallium/drivers/i965/brw_draw.h b/src/gallium/drivers/i965/brw_draw.h index 13f0443a817..8dc5dbce622 100644 --- a/src/gallium/drivers/i965/brw_draw.h +++ b/src/gallium/drivers/i965/brw_draw.h @@ -32,8 +32,7 @@ struct brw_context; - -void brw_draw_init( struct brw_context *brw ); +boolean brw_draw_init( struct brw_context *brw ); void brw_draw_cleanup( struct brw_context *brw ); diff --git a/src/gallium/drivers/i965/brw_draw_upload.c b/src/gallium/drivers/i965/brw_draw_upload.c index 7b0860d04c3..040d8ca93ad 100644 --- a/src/gallium/drivers/i965/brw_draw_upload.c +++ b/src/gallium/drivers/i965/brw_draw_upload.c @@ -26,21 +26,23 @@ **************************************************************************/ #include "pipe/p_context.h" +#include "pipe/p_error.h" #include "util/u_upload_mgr.h" +#include "util/u_math.h" #include "brw_draw.h" #include "brw_defines.h" #include "brw_context.h" #include "brw_state.h" -#include "brw_fallback.h" - +#include "brw_screen.h" #include "brw_batchbuffer.h" +#include "brw_debug.h" -unsigned brw_translate_surface_format( unsigned id ) +static unsigned brw_translate_surface_format( unsigned id ) { switch (id) { case PIPE_FORMAT_R64_FLOAT: @@ -186,70 +188,136 @@ static unsigned get_index_type(int type) } - -static boolean brw_prepare_vertices(struct brw_context *brw) +static int brw_prepare_vertices(struct brw_context *brw) { - GLbitfield vs_inputs = brw->vs.prog_data->inputs_read; + unsigned int min_index = brw->curr.min_index; + unsigned int max_index = brw->curr.max_index; GLuint i; - const unsigned char *ptr = NULL; - GLuint interleave = 0; - unsigned int min_index = brw->vb.min_index; - unsigned int max_index = brw->vb.max_index; - - struct brw_vertex_element *upload[VERT_ATTRIB_MAX]; - GLuint nr_uploads = 0; - - /* First build an array of pointers to ve's in vb.inputs_read - */ - if (0) - _mesa_printf("%s %d..%d\n", __FUNCTION__, min_index, max_index); - + int ret; + if (BRW_DEBUG & DEBUG_VERTS) + debug_printf("%s %d..%d\n", __FUNCTION__, min_index, max_index); - for (i = 0; i < brw->vb.num_vertex_buffer; i++) { - struct brw_vertex_buffer *vb = brw->vb.vertex_buffer[i]; - unsigned size = (vb->stride == 0 ? - vb->size : - vb->stride * (max_index + 1 - min_index)); - - if (brw_is_user_buffer(vb)) { - u_upload_buffer( brw->upload_vertex, - min_index * vb->stride, - size, - &offset, - &buffer ); + for (i = 0; i < brw->curr.num_vertex_buffers; i++) { + struct pipe_vertex_buffer *vb = &brw->curr.vertex_buffer[i]; + struct brw_winsys_buffer *bo; + struct pipe_buffer *upload_buf; + unsigned offset; + + if (BRW_DEBUG & DEBUG_VERTS) + debug_printf("%s vb[%d] user:%d offset:0x%x sz:0x%x stride:0x%x\n", + __FUNCTION__, i, + brw_buffer_is_user_buffer(vb->buffer), + vb->buffer_offset, + vb->buffer->size, + vb->stride); + + if (brw_buffer_is_user_buffer(vb->buffer)) { + + /* XXX: simplify this. Stop the state trackers from generating + * zero-stride buffers & have them use additional constants (or + * add support for >1 constant buffer) instead. + */ + unsigned size = (vb->stride == 0 ? + vb->buffer->size - vb->buffer_offset : + MAX2(vb->buffer->size - vb->buffer_offset, + vb->stride * (max_index + 1 - min_index))); + + ret = u_upload_buffer( brw->vb.upload_vertex, + vb->buffer_offset + min_index * vb->stride, + size, + vb->buffer, + &offset, + &upload_buf ); + if (ret) + return ret; + + bo = brw_buffer(upload_buf)->bo; + + assert(offset + size <= bo->size); } else { - offset = 0; - buffer = vb->buffer; + offset = vb->buffer_offset; + bo = brw_buffer(vb->buffer)->bo; } + + assert(offset < bo->size); /* Set up post-upload info about this vertex buffer: */ - input->offset = (unsigned long)offset; - input->stride = vb->stride; - input->count = count; - brw->sws->bo_unreference(input->bo); - input->bo = intel_bufferobj_buffer(intel, intel_buffer, - INTEL_READ); - brw->sws->bo_reference(input->bo); - - assert(input->offset < input->bo->size); - assert(input->offset + size <= input->bo->size); + brw->vb.vb[i].offset = offset; + brw->vb.vb[i].stride = vb->stride; + brw->vb.vb[i].vertex_count = (vb->stride == 0 ? + 1 : + (bo->size - offset) / vb->stride); + brw->sws->bo_unreference(brw->vb.vb[i].bo); + brw->vb.vb[i].bo = bo; + brw->sws->bo_reference(brw->vb.vb[i].bo); + + /* Don't need to retain this reference. We have a reference on + * the underlying winsys buffer: + */ + pipe_buffer_reference( &upload_buf, NULL ); } + brw->vb.nr_vb = i; brw_prepare_query_begin(brw); - for (i = 0; i < brw->vb.nr_enabled; i++) { - struct brw_vertex_element *input = brw->vb.enabled[i]; + for (i = 0; i < brw->vb.nr_vb; i++) { + brw_add_validated_bo(brw, brw->vb.vb[i].bo); + } + + return 0; +} + +static int brw_emit_vertex_buffers( struct brw_context *brw ) +{ + int i; + + /* If the VS doesn't read any inputs (calculating vertex position from + * a state variable for some reason, for example), just bail. + * + * The stale VB state stays in place, but they don't do anything unless + * a VE loads from them. + */ + if (brw->vb.nr_vb == 0) { + if (BRW_DEBUG & DEBUG_VERTS) + debug_printf("%s: no active vertex buffers\n", __FUNCTION__); - brw_add_validated_bo(brw, input->bo); + return 0; + } + + /* Emit VB state packets. + */ + BEGIN_BATCH(1 + brw->vb.nr_vb * 4, IGNORE_CLIPRECTS); + OUT_BATCH((CMD_VERTEX_BUFFER << 16) | + ((1 + brw->vb.nr_vb * 4) - 2)); + + for (i = 0; i < brw->vb.nr_vb; i++) { + OUT_BATCH((i << BRW_VB0_INDEX_SHIFT) | + BRW_VB0_ACCESS_VERTEXDATA | + (brw->vb.vb[i].stride << BRW_VB0_PITCH_SHIFT)); + OUT_RELOC(brw->vb.vb[i].bo, + I915_GEM_DOMAIN_VERTEX, 0, + brw->vb.vb[i].offset); + if (BRW_IS_IGDNG(brw)) { + OUT_RELOC(brw->vb.vb[i].bo, + I915_GEM_DOMAIN_VERTEX, 0, + brw->vb.vb[i].bo->size - 1); + } else + OUT_BATCH(brw->vb.vb[i].stride ? brw->vb.vb[i].vertex_count : 0); + OUT_BATCH(0); /* Instance data step rate */ } + ADVANCE_BATCH(); + return 0; } -static void brw_emit_vertices(struct brw_context *brw) + + + +static int brw_emit_vertex_elements(struct brw_context *brw) { GLuint i; @@ -262,7 +330,7 @@ static void brw_emit_vertices(struct brw_context *brw) * The stale VB state stays in place, but they don't do anything unless * a VE loads from them. */ - if (brw->vb.nr_enabled == 0) { + if (brw->vb.nr_ve == 0) { BEGIN_BATCH(3, IGNORE_CLIPRECTS); OUT_BATCH((CMD_VERTEX_ELEMENT << 16) | 1); OUT_BATCH((0 << BRW_VE0_INDEX_SHIFT) | @@ -274,59 +342,23 @@ static void brw_emit_vertices(struct brw_context *brw) (BRW_VE1_COMPONENT_STORE_0 << BRW_VE1_COMPONENT_2_SHIFT) | (BRW_VE1_COMPONENT_STORE_1_FLT << BRW_VE1_COMPONENT_3_SHIFT)); ADVANCE_BATCH(); - return; + return 0; } - /* Now emit VB and VEP state packets. + /* Now emit vertex element (VEP) state packets. * - * This still defines a hardware VB for each input, even if they - * are interleaved or from the same VBO. TBD if this makes a - * performance difference. */ - BEGIN_BATCH(1 + brw->vb.nr_enabled * 4, IGNORE_CLIPRECTS); - OUT_BATCH((CMD_VERTEX_BUFFER << 16) | - ((1 + brw->vb.nr_enabled * 4) - 2)); - - for (i = 0; i < brw->vb.nr_enabled; i++) { - struct brw_vertex_element *input = brw->vb.enabled[i]; - - OUT_BATCH((i << BRW_VB0_INDEX_SHIFT) | - BRW_VB0_ACCESS_VERTEXDATA | - (input->stride << BRW_VB0_PITCH_SHIFT)); - OUT_RELOC(input->bo, - I915_GEM_DOMAIN_VERTEX, 0, - input->offset); - if (BRW_IS_IGDNG(brw)) { - if (input->stride) { - OUT_RELOC(input->bo, - I915_GEM_DOMAIN_VERTEX, 0, - input->offset + input->stride * input->count - 1); - } else { - assert(input->count == 1); - OUT_RELOC(input->bo, - I915_GEM_DOMAIN_VERTEX, 0, - input->offset + input->element_size - 1); - } - } else - OUT_BATCH(input->stride ? input->count : 0); - OUT_BATCH(0); /* Instance data step rate */ - } - ADVANCE_BATCH(); - - BEGIN_BATCH(1 + brw->vb.nr_enabled * 2, IGNORE_CLIPRECTS); - OUT_BATCH((CMD_VERTEX_ELEMENT << 16) | ((1 + brw->vb.nr_enabled * 2) - 2)); - for (i = 0; i < brw->vb.nr_enabled; i++) { - struct brw_vertex_element *input = brw->vb.enabled[i]; - uint32_t format = get_surface_type(input->glarray->Type, - input->glarray->Size, - input->glarray->Format, - input->glarray->Normalized); + BEGIN_BATCH(1 + brw->curr.num_vertex_elements * 2, IGNORE_CLIPRECTS); + OUT_BATCH((CMD_VERTEX_ELEMENT << 16) | ((1 + brw->vb.nr_ve * 2) - 2)); + for (i = 0; i < brw->vb.nr_ve; i++) { + const struct pipe_vertex_element *input = &brw->curr.vertex_element[i]; + uint32_t format = brw_translate_surface_format( input->src_format ); uint32_t comp0 = BRW_VE1_COMPONENT_STORE_SRC; uint32_t comp1 = BRW_VE1_COMPONENT_STORE_SRC; uint32_t comp2 = BRW_VE1_COMPONENT_STORE_SRC; uint32_t comp3 = BRW_VE1_COMPONENT_STORE_SRC; - switch (input->glarray->Size) { + switch (input->nr_components) { case 0: comp0 = BRW_VE1_COMPONENT_STORE_0; case 1: comp1 = BRW_VE1_COMPONENT_STORE_0; case 2: comp2 = BRW_VE1_COMPONENT_STORE_0; @@ -352,11 +384,29 @@ static void brw_emit_vertices(struct brw_context *brw) ((i * 4) << BRW_VE1_DST_OFFSET_SHIFT)); } ADVANCE_BATCH(); + return 0; +} + + +static int brw_emit_vertices( struct brw_context *brw ) +{ + int ret; + + ret = brw_emit_vertex_buffers( brw ); + if (ret) + return ret; + + ret = brw_emit_vertex_elements( brw ); + if (ret) + return ret; + + return 0; } + const struct brw_tracked_state brw_vertices = { .dirty = { - .mesa = 0, + .mesa = PIPE_NEW_INDEX_RANGE, .brw = BRW_NEW_BATCH | BRW_NEW_VERTICES, .cache = 0, }, @@ -364,104 +414,106 @@ const struct brw_tracked_state brw_vertices = { .emit = brw_emit_vertices, }; -static void brw_prepare_indices(struct brw_context *brw) + +static int brw_prepare_indices(struct brw_context *brw) { - const struct _mesa_index_buffer *index_buffer = brw->ib.ib; - GLuint ib_size; + struct pipe_buffer *index_buffer = brw->curr.index_buffer; struct brw_winsys_buffer *bo = NULL; - struct gl_buffer_object *bufferobj; GLuint offset; - GLuint ib_type_size; + GLuint index_size; + GLuint ib_size; + int ret; if (index_buffer == NULL) - return; + return 0; - ib_type_size = get_size(index_buffer->type); - ib_size = ib_type_size * index_buffer->count; - bufferobj = index_buffer->obj;; + if (DEBUG & DEBUG_VERTS) + debug_printf("%s: index_size:%d index_buffer->size:%d\n", + __FUNCTION__, + brw->curr.index_size, + brw->curr.index_buffer->size); - /* Turn into a proper VBO: - */ - if (!_mesa_is_bufferobj(bufferobj)) { - brw->ib.start_vertex_offset = 0; + ib_size = index_buffer->size; + index_size = brw->curr.index_size; - /* Get new bufferobj, offset: - */ - get_space(brw, ib_size, &bo, &offset); - - /* Straight upload + /* Turn userbuffer into a proper hardware buffer? + */ + if (brw_buffer_is_user_buffer(index_buffer)) { + struct pipe_buffer *upload_buf; + + ret = u_upload_buffer( brw->vb.upload_index, + 0, + ib_size, + index_buffer, + &offset, + &upload_buf ); + if (ret) + return ret; + + bo = brw_buffer(upload_buf)->bo; + brw->sws->bo_reference(bo); + pipe_buffer_reference( &upload_buf, NULL ); + + /* XXX: annotate the userbuffer with the upload information so + * that successive calls don't get re-uploaded. */ - brw_bo_subdata(bo, offset, ib_size, index_buffer->ptr); - - } else { - offset = (GLuint) (unsigned long) index_buffer->ptr; - brw->ib.start_vertex_offset = 0; + } + else { + bo = brw_buffer(index_buffer)->bo; + brw->sws->bo_reference(bo); + + ib_size = bo->size; + offset = 0; + } - /* If the index buffer isn't aligned to its element size, we have to - * rebase it into a temporary. - */ - if ((get_size(index_buffer->type) - 1) & offset) { - GLubyte *map = ctx->Driver.MapBuffer(ctx, - GL_ELEMENT_ARRAY_BUFFER_ARB, - GL_DYNAMIC_DRAW_ARB, - bufferobj); - map += offset; - - get_space(brw, ib_size, &bo, &offset); - - dri_bo_subdata(bo, offset, ib_size, map); - - ctx->Driver.UnmapBuffer(ctx, GL_ELEMENT_ARRAY_BUFFER_ARB, bufferobj); - } else { - bo = intel_bufferobj_buffer(intel, intel_buffer_object(bufferobj), - INTEL_READ); - brw->sws->bo_reference(bo); - - /* Use CMD_3D_PRIM's start_vertex_offset to avoid re-uploading - * the index buffer state when we're just moving the start index - * of our drawing. - */ - brw->ib.start_vertex_offset = offset / ib_type_size; - offset = 0; - ib_size = bo->size; - } + /* Use CMD_3D_PRIM's start_vertex_offset to avoid re-uploading the + * index buffer state when we're just moving the start index of our + * drawing. + * + * In gallium this will happen in the case where successive draw + * calls are made with (distinct?) userbuffers, but the upload_mgr + * places the data into a single winsys buffer. + * + * This statechange doesn't raise any state flags and is always + * just merged into the final draw packet: + */ + if (1) { + assert((offset & (index_size - 1)) == 0); + brw->ib.start_vertex_offset = offset / index_size; } + /* These statechanges trigger a new CMD_INDEX_BUFFER packet: + */ if (brw->ib.bo != bo || - brw->ib.offset != offset || brw->ib.size != ib_size) { - drm_intel_bo_unreference(brw->ib.bo); + brw->sws->bo_unreference(brw->ib.bo); brw->ib.bo = bo; - brw->ib.offset = offset; brw->ib.size = ib_size; - brw->state.dirty.brw |= BRW_NEW_INDEX_BUFFER; - } else { - drm_intel_bo_unreference(bo); + } + else { + brw->sws->bo_unreference(bo); } brw_add_validated_bo(brw, brw->ib.bo); + return 0; } const struct brw_tracked_state brw_indices = { .dirty = { - .mesa = 0, - .brw = BRW_NEW_INDICES, + .mesa = PIPE_NEW_INDEX_BUFFER, + .brw = 0, .cache = 0, }, .prepare = brw_prepare_indices, }; -static void brw_emit_index_buffer(struct brw_context *brw) +static int brw_emit_index_buffer(struct brw_context *brw) { - const struct _mesa_index_buffer *index_buffer = brw->ib.ib; - - if (index_buffer == NULL) - return; - /* Emit the indexbuffer packet: */ + if (brw->ib.bo) { struct brw_indexbuffer ib; @@ -469,7 +521,7 @@ static void brw_emit_index_buffer(struct brw_context *brw) ib.header.bits.opcode = CMD_INDEX_BUFFER; ib.header.bits.length = sizeof(ib)/4 - 2; - ib.header.bits.index_format = get_index_type(index_buffer->type); + ib.header.bits.index_format = get_index_type(brw->ib.size); ib.header.bits.cut_index_enable = 0; BEGIN_BATCH(4, IGNORE_CLIPRECTS); @@ -483,6 +535,8 @@ static void brw_emit_index_buffer(struct brw_context *brw) OUT_BATCH( 0 ); ADVANCE_BATCH(); } + + return 0; } const struct brw_tracked_state brw_index_buffer = { diff --git a/src/gallium/drivers/i965/brw_eu.c b/src/gallium/drivers/i965/brw_eu.c index 1df561386e6..df49d4b72f7 100644 --- a/src/gallium/drivers/i965/brw_eu.c +++ b/src/gallium/drivers/i965/brw_eu.c @@ -29,6 +29,7 @@ * Keith Whitwell <[email protected]> */ +#include "util/u_memory.h" #include "brw_context.h" #include "brw_defines.h" @@ -237,7 +238,7 @@ brw_resolve_cals(struct brw_compile *c) struct brw_glsl_call *call, *next; for (call = c->first_call; call; call = next) { next = call->next; - _mesa_free(call); + FREE(call); } c->first_call = NULL; } @@ -247,7 +248,7 @@ brw_resolve_cals(struct brw_compile *c) struct brw_glsl_label *label, *next; for (label = c->first_label; label; label = next) { next = label->next; - _mesa_free(label); + FREE(label); } c->first_label = NULL; } diff --git a/src/gallium/drivers/i965/brw_eu_debug.c b/src/gallium/drivers/i965/brw_eu_debug.c index ad7ec36e863..5989f5a04ee 100644 --- a/src/gallium/drivers/i965/brw_eu_debug.c +++ b/src/gallium/drivers/i965/brw_eu_debug.c @@ -28,7 +28,8 @@ * Authors: * Keith Whitwell <[email protected]> */ - + +#include "util/u_debug.h" #include "brw_eu.h" @@ -52,7 +53,7 @@ void brw_print_reg( struct brw_reg hwreg ) "f" }; - _mesa_printf("%s%s", + debug_printf("%s%s", hwreg.abs ? "abs/" : "", hwreg.negate ? "-" : ""); @@ -64,7 +65,7 @@ void brw_print_reg( struct brw_reg hwreg ) hwreg.hstride == BRW_HORIZONTAL_STRIDE_1 && hwreg.type == BRW_REGISTER_TYPE_F) { /* vector register */ - _mesa_printf("vec%d", hwreg.nr); + debug_printf("vec%d", hwreg.nr); } else if (hwreg.file == BRW_GENERAL_REGISTER_FILE && hwreg.vstride == BRW_VERTICAL_STRIDE_0 && @@ -72,13 +73,13 @@ void brw_print_reg( struct brw_reg hwreg ) hwreg.hstride == BRW_HORIZONTAL_STRIDE_0 && hwreg.type == BRW_REGISTER_TYPE_F) { /* "scalar" register */ - _mesa_printf("scl%d.%d", hwreg.nr, hwreg.subnr / 4); + debug_printf("scl%d.%d", hwreg.nr, hwreg.subnr / 4); } else if (hwreg.file == BRW_IMMEDIATE_VALUE) { - _mesa_printf("imm %f", hwreg.dw1.f); + debug_printf("imm %f", hwreg.dw1.f); } else { - _mesa_printf("%s%d.%d<%d;%d,%d>:%s", + debug_printf("%s%d.%d<%d;%d,%d>:%s", file[hwreg.file], hwreg.nr, hwreg.subnr / type_sz(hwreg.type), diff --git a/src/gallium/drivers/i965/brw_misc_state.c b/src/gallium/drivers/i965/brw_misc_state.c index 0f2612c1817..98fec85c1dd 100644 --- a/src/gallium/drivers/i965/brw_misc_state.c +++ b/src/gallium/drivers/i965/brw_misc_state.c @@ -315,24 +315,20 @@ const struct brw_tracked_state brw_polygon_stipple = { static void upload_polygon_stipple_offset(struct brw_context *brw) { - __DRIdrawablePrivate *dPriv = brw->intel.driDrawable; struct brw_polygon_stipple_offset bpso; memset(&bpso, 0, sizeof(bpso)); bpso.header.opcode = CMD_POLY_STIPPLE_OFFSET; bpso.header.length = sizeof(bpso)/4-2; - /* If we're drawing to a system window (ctx->DrawBuffer->Name == 0), - * we have to invert the Y axis in order to match the OpenGL - * pixel coordinate system, and our offset must be matched - * to the window position. If we're drawing to a FBO - * (ctx->DrawBuffer->Name != 0), then our native pixel coordinate - * system works just fine, and there's no window system to - * worry about. + /* Never need to offset stipple coordinates. + * + * XXX: is it ever necessary to invert Y values? */ - if (brw->intel.ctx.DrawBuffer->Name == 0) { - bpso.bits0.x_offset = (32 - (dPriv->x & 31)) & 31; - bpso.bits0.y_offset = (32 - ((dPriv->y + dPriv->h) & 31)) & 31; + if (0) { + int x = 0, y = 0, h = 0; + bpso.bits0.x_offset = (32 - (x & 31)) & 31; + bpso.bits0.y_offset = (32 - ((y + h) & 31)) & 31; } else { bpso.bits0.y_offset = 0; diff --git a/src/gallium/drivers/i965/brw_pipe_flush.c b/src/gallium/drivers/i965/brw_pipe_flush.c index e85a1a9c1b3..65e71515178 100644 --- a/src/gallium/drivers/i965/brw_pipe_flush.c +++ b/src/gallium/drivers/i965/brw_pipe_flush.c @@ -53,6 +53,9 @@ static void brw_note_fence( struct brw_context *brw, GLuint fence ) static GLuint brw_flush_cmd( void ) { struct brw_mi_flush flush; + + return ; + flush.opcode = CMD_MI_FLUSH; flush.pad = 0; flush.flags = BRW_FLUSH_STATE_CACHE; diff --git a/src/gallium/drivers/i965/brw_pipe_shader.c b/src/gallium/drivers/i965/brw_pipe_shader.c index fbb772d18c9..8b61da763cd 100644 --- a/src/gallium/drivers/i965/brw_pipe_shader.c +++ b/src/gallium/drivers/i965/brw_pipe_shader.c @@ -33,6 +33,25 @@ #include "brw_util.h" #include "brw_wm.h" + +/** + * Determine if the given fragment program uses GLSL features such + * as flow conditionals, loops, subroutines. + * Some GLSL shaders may use these features, others might not. + */ +GLboolean brw_wm_is_glsl(const struct brw_fragment_shader *fp) +{ + return (fp->info.insn_count[TGSI_OPCODE_ARL] > 0 || + fp->info.insn_count[TGSI_OPCODE_IF] > 0 || + fp->info.insn_count[TGSI_OPCODE_ENDIF] > 0 || /* redundant - IF */ + fp->info.insn_count[TGSI_OPCODE_CAL] > 0 || + fp->info.insn_count[TGSI_OPCODE_BRK] > 0 || /* redundant - BGNLOOP */ + fp->info.insn_count[TGSI_OPCODE_RET] > 0 || /* redundant - CAL */ + fp->info.insn_count[TGSI_OPCODE_BGNLOOP] > 0); +} + + + static void brwBindProgram( struct brw_context *brw, GLenum target, struct gl_program *prog ) diff --git a/src/gallium/drivers/i965/brw_pipe_vertex.c b/src/gallium/drivers/i965/brw_pipe_vertex.c index b0928adbe49..d1d0d7cd433 100644 --- a/src/gallium/drivers/i965/brw_pipe_vertex.c +++ b/src/gallium/drivers/i965/brw_pipe_vertex.c @@ -1,26 +1,11 @@ -static void brw_merge_inputs( struct brw_context *brw, - const struct gl_client_array *arrays[]) -{ - struct brw_vertex_info old = brw->vb.info; - GLuint i; - - for (i = 0; i < VERT_ATTRIB_MAX; i++) - brw->sws->bo_unreference(brw->vb.inputs[i].bo); - memset(&brw->vb.inputs, 0, sizeof(brw->vb.inputs)); - memset(&brw->vb.info, 0, sizeof(brw->vb.info)); +void +brw_pipe_vertex_cleanup( struct brw_context *brw ) +{ for (i = 0; i < VERT_ATTRIB_MAX; i++) { - brw->vb.inputs[i].glarray = arrays[i]; - brw->vb.inputs[i].attrib = (gl_vert_attrib) i; - - if (arrays[i]->StrideB != 0) - brw->vb.info.sizes[i/16] |= (brw->vb.inputs[i].glarray->Size - 1) << - ((i%16) * 2); + brw->sws->bo_unreference(brw->vb.inputs[i].bo); + brw->vb.inputs[i].bo = NULL; } - - /* Raise statechanges if input sizes have changed. */ - if (memcmp(brw->vb.info.sizes, old.sizes, sizeof(old.sizes)) != 0) - brw->state.dirty.brw |= BRW_NEW_INPUT_DIMENSIONS; } diff --git a/src/gallium/drivers/i965/brw_screen.h b/src/gallium/drivers/i965/brw_screen.h index 79d595d0adf..b0be0e1f8a4 100644 --- a/src/gallium/drivers/i965/brw_screen.h +++ b/src/gallium/drivers/i965/brw_screen.h @@ -56,6 +56,14 @@ struct brw_transfer unsigned offset; }; +struct brw_buffer +{ + struct pipe_buffer base; + struct brw_winsys_buffer *bo; + void *ptr; + boolean is_user_buffer; +}; + /* * Cast wrappers @@ -72,5 +80,19 @@ brw_transfer(struct pipe_transfer *transfer) return (struct brw_transfer *)transfer; } +static INLINE struct brw_buffer * +brw_buffer(struct pipe_buffer *buffer) +{ + return (struct brw_buffer *)buffer; +} + + +/* Pipe buffer helpers + */ +static INLINE boolean +brw_buffer_is_user_buffer( const struct pipe_buffer *buf ) +{ + return ((const struct brw_buffer *)buf)->is_user_buffer; +} #endif /* BRW_SCREEN_H */ diff --git a/src/gallium/drivers/i965/brw_sf.c b/src/gallium/drivers/i965/brw_sf.c index 53e8f09e372..e2db2e76e6a 100644 --- a/src/gallium/drivers/i965/brw_sf.c +++ b/src/gallium/drivers/i965/brw_sf.c @@ -134,7 +134,7 @@ static void upload_sf_prog(struct brw_context *brw) key.attrs = brw->vs.prog_data->outputs_written; /* BRW_NEW_REDUCED_PRIMITIVE */ - switch (brw->intel.reduced_primitive) { + switch (brw->reduced_primitive) { case GL_TRIANGLES: /* NOTE: We just use the edgeflag attribute as an indicator that * unfilled triangles are active. We don't actually do the diff --git a/src/gallium/drivers/i965/brw_sf_state.c b/src/gallium/drivers/i965/brw_sf_state.c index 0e406f12e14..648a16a038c 100644 --- a/src/gallium/drivers/i965/brw_sf_state.c +++ b/src/gallium/drivers/i965/brw_sf_state.c @@ -40,19 +40,12 @@ static void upload_sf_vp(struct brw_context *brw) const GLfloat depth_scale = 1.0F / ctx->DrawBuffer->_DepthMaxF; struct brw_sf_viewport sfv; GLfloat y_scale, y_bias; - const GLboolean render_to_fbo = (ctx->DrawBuffer->Name != 0); const GLfloat *v = ctx->Viewport._WindowMap.m; memset(&sfv, 0, sizeof(sfv)); - if (render_to_fbo) { - y_scale = 1.0; - y_bias = 0; - } - else { - y_scale = -1.0; - y_bias = ctx->DrawBuffer->Height; - } + y_scale = 1.0; + y_bias = 0; /* _NEW_VIEWPORT */ @@ -73,20 +66,11 @@ static void upload_sf_vp(struct brw_context *brw) * Note that the hardware's coordinates are inclusive, while Mesa's min is * inclusive but max is exclusive. */ - if (render_to_fbo) { - /* texmemory: Y=0=bottom */ - sfv.scissor.xmin = ctx->DrawBuffer->_Xmin; - sfv.scissor.xmax = ctx->DrawBuffer->_Xmax - 1; - sfv.scissor.ymin = ctx->DrawBuffer->_Ymin; - sfv.scissor.ymax = ctx->DrawBuffer->_Ymax - 1; - } - else { - /* memory: Y=0=top */ - sfv.scissor.xmin = ctx->DrawBuffer->_Xmin; - sfv.scissor.xmax = ctx->DrawBuffer->_Xmax - 1; - sfv.scissor.ymin = ctx->DrawBuffer->Height - ctx->DrawBuffer->_Ymax; - sfv.scissor.ymax = ctx->DrawBuffer->Height - ctx->DrawBuffer->_Ymin - 1; - } + /* Y=0=bottom */ + sfv.scissor.xmin = ctx->DrawBuffer->_Xmin; + sfv.scissor.xmax = ctx->DrawBuffer->_Xmax - 1; + sfv.scissor.ymin = ctx->DrawBuffer->_Ymin; + sfv.scissor.ymax = ctx->DrawBuffer->_Ymax - 1; brw->sws->bo_unreference(brw->sf.vp_bo); brw->sf.vp_bo = brw_cache_data( &brw->cache, BRW_SF_VP, &sfv, NULL, 0 ); @@ -151,7 +135,7 @@ sf_unit_populate_key(struct brw_context *brw, struct brw_sf_unit_key *key) /* _NEW_LIGHT */ key->provoking_vertex = ctx->Light.ProvokingVertex; - key->render_to_fbo = brw->intel.ctx.DrawBuffer->Name != 0; + key->render_to_fbo = 1; } static struct brw_winsys_buffer * @@ -211,11 +195,6 @@ sf_unit_create_from_key(struct brw_context *brw, struct brw_sf_unit_key *key, else sf.sf5.front_winding = BRW_FRONTWINDING_CW; - /* The viewport is inverted for rendering to a FBO, and that inverts - * polygon front/back orientation. - */ - sf.sf5.front_winding ^= key->render_to_fbo; - switch (key->cull_face) { case GL_FRONT: sf.sf6.cull_mode = BRW_CULLMODE_FRONT; @@ -245,7 +224,7 @@ sf_unit_create_from_key(struct brw_context *brw, struct brw_sf_unit_key *key, sf.sf6.line_width = 0; /* _NEW_BUFFERS */ - key->render_to_fbo = brw->intel.ctx.DrawBuffer->Name != 0; + key->render_to_fbo = 1; if (!key->render_to_fbo) { /* Rendering to an OpenGL window */ sf.sf6.point_rast_rule = BRW_RASTRULE_UPPER_RIGHT; diff --git a/src/gallium/drivers/i965/brw_state.h b/src/gallium/drivers/i965/brw_state.h index 02657eaba7f..9bf34c3fe45 100644 --- a/src/gallium/drivers/i965/brw_state.h +++ b/src/gallium/drivers/i965/brw_state.h @@ -109,8 +109,8 @@ struct brw_surface_key { /*********************************************************************** * brw_state.c */ -void brw_validate_state(struct brw_context *brw); -void brw_upload_state(struct brw_context *brw); +int brw_validate_state(struct brw_context *brw); +int brw_upload_state(struct brw_context *brw); void brw_init_state(struct brw_context *brw); void brw_destroy_state(struct brw_context *brw); @@ -157,7 +157,7 @@ void brw_state_cache_bo_delete(struct brw_cache *cache, struct brw_winsys_buffer /*********************************************************************** * brw_state_batch.c */ -#define BRW_BATCH_STRUCT(brw, s) brw_batchbuffer_data( brw->intel.batch, (s), sizeof(*(s)), IGNORE_CLIPRECTS) +#define BRW_BATCH_STRUCT(brw, s) brw_batchbuffer_data( brw->batch, (s), sizeof(*(s)), IGNORE_CLIPRECTS) #define BRW_CACHED_BATCH_STRUCT(brw, s) brw_cached_batch_struct( brw, (s), sizeof(*(s)) ) GLboolean brw_cached_batch_struct( struct brw_context *brw, diff --git a/src/gallium/drivers/i965/brw_state_batch.c b/src/gallium/drivers/i965/brw_state_batch.c index b285837070c..324fce51636 100644 --- a/src/gallium/drivers/i965/brw_state_batch.c +++ b/src/gallium/drivers/i965/brw_state_batch.c @@ -47,7 +47,7 @@ GLboolean brw_cached_batch_struct( struct brw_context *brw, struct header *newheader = (struct header *)data; if (brw->emit_state_always) { - brw_batchbuffer_data(brw->intel.batch, data, sz, IGNORE_CLIPRECTS); + brw_batchbuffer_data(brw->batch, data, sz, IGNORE_CLIPRECTS); return GL_TRUE; } @@ -74,7 +74,7 @@ GLboolean brw_cached_batch_struct( struct brw_context *brw, emit: memcpy(item->header, newheader, sz); - brw_batchbuffer_data(brw->intel.batch, data, sz, IGNORE_CLIPRECTS); + brw_batchbuffer_data(brw->batch, data, sz, IGNORE_CLIPRECTS); return GL_TRUE; } diff --git a/src/gallium/drivers/i965/brw_swtnl.c b/src/gallium/drivers/i965/brw_swtnl.c index 83f138f67ac..d2df8af9f40 100644 --- a/src/gallium/drivers/i965/brw_swtnl.c +++ b/src/gallium/drivers/i965/brw_swtnl.c @@ -12,13 +12,13 @@ static GLboolean check_fallbacks( struct brw_context *brw, * use fallbacks. If we're forcing fallbacks, always * use fallfacks. */ - if (brw->intel.conformance_mode == 0) + if (brw->flags.no_swtnl) return GL_FALSE; - if (brw->intel.conformance_mode == 2) + if (brw->flags.force_swtnl) return GL_TRUE; - if (ctx->Polygon.SmoothFlag) { + if (brw->curr.rast->tmpl.smooth_polys) { for (i = 0; i < nr_prims; i++) if (reduced_prim[prim[i].mode] == GL_TRIANGLES) return GL_TRUE; diff --git a/src/gallium/drivers/i965/brw_winsys.h b/src/gallium/drivers/i965/brw_winsys.h index 82cd8007aca..51e23b96404 100644 --- a/src/gallium/drivers/i965/brw_winsys.h +++ b/src/gallium/drivers/i965/brw_winsys.h @@ -161,6 +161,13 @@ struct brw_winsys_screen { size_t size, const void *data); + /* XXX: couldn't this be handled by returning true/false on + * bo_emit_reloc? + */ + boolean (*check_aperture_space)( struct brw_winsys_screen *iws, + struct brw_winsys_buffer **buffers, + unsigned count ); + /** * Map a buffer. */ diff --git a/src/gallium/drivers/i965/brw_wm.c b/src/gallium/drivers/i965/brw_wm.c index 284cf42f8bd..4948ea0dff9 100644 --- a/src/gallium/drivers/i965/brw_wm.c +++ b/src/gallium/drivers/i965/brw_wm.c @@ -158,7 +158,7 @@ static void do_wm_prog( struct brw_context *brw, memcpy(&c->key, key, sizeof(*key)); c->fp = fp; - c->env_param = brw->intel.ctx.FragmentProgram.Parameters; + c->env_param = NULL; /*brw->intel.ctx.FragmentProgram.Parameters;*/ brw_init_compile(brw, &c->func); diff --git a/src/gallium/drivers/i965/brw_wm.h b/src/gallium/drivers/i965/brw_wm.h index 18775830f99..e06de95a8a9 100644 --- a/src/gallium/drivers/i965/brw_wm.h +++ b/src/gallium/drivers/i965/brw_wm.h @@ -131,9 +131,9 @@ struct brw_wm_ref { GLuint insn:24; }; -struct brw_wm_constref { +struct brw_wm_imm_ref { const struct brw_wm_ref *ref; - GLfloat constval; + GLfloat imm1f; }; @@ -232,8 +232,8 @@ struct brw_wm_compile { struct brw_wm_instruction instruction[BRW_WM_MAX_INSN]; GLuint nr_insns; - struct brw_wm_constref constref[BRW_WM_MAX_CONST]; - GLuint nr_constrefs; + struct brw_wm_imm_ref imm_ref[BRW_WM_MAX_CONST]; + GLuint nr_imm_refs; struct brw_wm_grf pass2_grf[BRW_WM_MAX_GRF/2]; diff --git a/src/gallium/drivers/i965/brw_wm_glsl.c b/src/gallium/drivers/i965/brw_wm_glsl.c index c4f07117939..a8de5fdd0b9 100644 --- a/src/gallium/drivers/i965/brw_wm_glsl.c +++ b/src/gallium/drivers/i965/brw_wm_glsl.c @@ -7,34 +7,6 @@ static struct brw_reg get_dst_reg(struct brw_wm_compile *c, const struct prog_instruction *inst, GLuint component); -/** - * Determine if the given fragment program uses GLSL features such - * as flow conditionals, loops, subroutines. - * Some GLSL shaders may use these features, others might not. - */ -GLboolean brw_wm_is_glsl(const struct gl_fragment_program *fp) -{ - int i; - - for (i = 0; i < fp->Base.NumInstructions; i++) { - const struct prog_instruction *inst = &fp->Base.Instructions[i]; - switch (inst->Opcode) { - case OPCODE_ARL: - case OPCODE_IF: - case OPCODE_ENDIF: - case OPCODE_CAL: - case OPCODE_BRK: - case OPCODE_RET: - case OPCODE_BGNLOOP: - return GL_TRUE; - default: - break; - } - } - return GL_FALSE; -} - - static void reclaim_temps(struct brw_wm_compile *c); diff --git a/src/gallium/drivers/i965/brw_wm_pass0.c b/src/gallium/drivers/i965/brw_wm_pass0.c index de5f5fe821f..31b0270e843 100644 --- a/src/gallium/drivers/i965/brw_wm_pass0.c +++ b/src/gallium/drivers/i965/brw_wm_pass0.c @@ -124,33 +124,33 @@ static const struct brw_wm_ref *get_param_ref( struct brw_wm_compile *c, } -/** Return a ref to a constant/literal value */ -static const struct brw_wm_ref *get_const_ref( struct brw_wm_compile *c, - const GLfloat *constval ) +/** Return a ref to an immediate value */ +static const struct brw_wm_ref *get_imm_ref( struct brw_wm_compile *c, + const GLfloat *imm1f ) { GLuint i; /* Search for an existing const value matching the request: */ - for (i = 0; i < c->nr_constrefs; i++) { - if (c->constref[i].constval == *constval) - return c->constref[i].ref; + for (i = 0; i < c->nr_imm_refs; i++) { + if (c->imm_ref[i].imm_val == *imm1f) + return c->imm_ref[i].ref; } /* Else try to add a new one: */ - if (c->nr_constrefs < BRW_WM_MAX_CONST) { - GLuint i = c->nr_constrefs++; + if (c->nr_imm_refs < BRW_WM_MAX_IMM) { + GLuint i = c->nr_imm_refs++; - /* A constant is a special type of parameter: + /* An immediate is a special type of parameter: */ - c->constref[i].constval = *constval; - c->constref[i].ref = get_param_ref(c, constval); + c->imm_ref[i].imm_val = *imm_val; + c->imm_ref[i].ref = get_param_ref(c, imm_val); - return c->constref[i].ref; + return c->imm_ref[i].ref; } else { - _mesa_printf("%s: out of constrefs\n", __FUNCTION__); + _mesa_printf("%s: out of imm_refs\n", __FUNCTION__); c->prog_data.error = 1; return NULL; } @@ -200,7 +200,7 @@ static const struct brw_wm_ref *pass0_get_reg( struct brw_wm_compile *c, case PROGRAM_CONSTANT: /* These are invarient: */ - ref = get_const_ref(c, &plist->ParameterValues[idx][component]); + ref = get_imm_ref(c, &plist->ParameterValues[idx][component]); break; case PROGRAM_STATE_VAR: @@ -266,9 +266,9 @@ static const struct brw_wm_ref *get_fp_src_reg_ref( struct brw_wm_compile *c, static const GLfloat const_one = 1.0; if (component == SWIZZLE_ZERO) - src_ref = get_const_ref(c, &const_zero); + src_ref = get_imm_ref(c, &const_zero); else if (component == SWIZZLE_ONE) - src_ref = get_const_ref(c, &const_one); + src_ref = get_imm_ref(c, &const_one); else src_ref = pass0_get_reg(c, src.File, src.Index, component); diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c index c76bff91819..ec9c859fcbc 100644 --- a/src/mesa/state_tracker/st_draw.c +++ b/src/mesa/state_tracker/st_draw.c @@ -554,7 +554,8 @@ st_draw_vbo(GLcontext *ctx, /* Gallium probably doesn't want this in some cases. */ if (!index_bounds_valid) - vbo_get_minmax_index(ctx, prims, ib, &min_index, &max_index); + if (!vbo_all_varyings_in_vbos(arrays)) + vbo_get_minmax_index(ctx, prims, ib, &min_index, &max_index); /* sanity check for pointer arithmetic below */ assert(sizeof(arrays[0]->Ptr[0]) == 1); |