diff options
Diffstat (limited to 'src/gallium/drivers/i965simple/brw_draw.c')
| -rw-r--r-- | src/gallium/drivers/i965simple/brw_draw.c | 226 |
1 files changed, 0 insertions, 226 deletions
diff --git a/src/gallium/drivers/i965simple/brw_draw.c b/src/gallium/drivers/i965simple/brw_draw.c deleted file mode 100644 index 49d80cb41c..0000000000 --- a/src/gallium/drivers/i965simple/brw_draw.c +++ /dev/null @@ -1,226 +0,0 @@ -/************************************************************************** - * - * Copyright 2003 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 <stdlib.h> - -#include "brw_batch.h" -#include "brw_draw.h" -#include "brw_defines.h" -#include "brw_context.h" -#include "brw_state.h" - -#include "pipe/p_context.h" -#include "pipe/internal/p_winsys_screen.h" -#include "util/u_prim.h" - -static unsigned hw_prim[PIPE_PRIM_POLYGON+1] = { - _3DPRIM_POINTLIST, - _3DPRIM_LINELIST, - _3DPRIM_LINELOOP, - _3DPRIM_LINESTRIP, - _3DPRIM_TRILIST, - _3DPRIM_TRISTRIP, - _3DPRIM_TRIFAN, - _3DPRIM_QUADLIST, - _3DPRIM_QUADSTRIP, - _3DPRIM_POLYGON -}; - - -/* When the primitive changes, set a state bit and re-validate. Not - * the nicest and would rather deal with this by having all the - * programs be immune to the active primitive (ie. cope with all - * possibilities). That may not be realistic however. - */ -static void brw_set_prim(struct brw_context *brw, int prim) -{ - PRINT("PRIM: %d\n", prim); - - /* Slight optimization to avoid the GS program when not needed: - */ - if (prim == PIPE_PRIM_QUAD_STRIP && - brw->attribs.Raster->flatshade && - brw->attribs.Raster->fill_cw == PIPE_POLYGON_MODE_FILL && - brw->attribs.Raster->fill_ccw == PIPE_POLYGON_MODE_FILL) - prim = PIPE_PRIM_TRIANGLE_STRIP; - - if (prim != brw->primitive) { - brw->primitive = prim; - brw->state.dirty.brw |= BRW_NEW_PRIMITIVE; - - if (u_reduced_prim(prim) != brw->reduced_primitive) { - brw->reduced_primitive = u_reduced_prim(prim); - brw->state.dirty.brw |= BRW_NEW_REDUCED_PRIMITIVE; - } - - brw_validate_state(brw); - } - -} - - -static unsigned trim(int prim, unsigned length) -{ - if (prim == PIPE_PRIM_QUAD_STRIP) - return length > 3 ? (length - length % 2) : 0; - else if (prim == PIPE_PRIM_QUADS) - return length - length % 4; - else - return length; -} - - - -static boolean brw_emit_prim( struct brw_context *brw, - boolean indexed, - unsigned start, - unsigned count ) - -{ - struct brw_3d_primitive prim_packet; - - if (BRW_DEBUG & DEBUG_PRIMS) - PRINT("PRIM: %d %d %d\n", brw->primitive, start, count); - - prim_packet.header.opcode = CMD_3D_PRIM; - prim_packet.header.length = sizeof(prim_packet)/4 - 2; - prim_packet.header.pad = 0; - prim_packet.header.topology = hw_prim[brw->primitive]; - prim_packet.header.indexed = indexed; - - prim_packet.verts_per_instance = trim(brw->primitive, count); - prim_packet.start_vert_location = start; - prim_packet.instance_count = 1; - prim_packet.start_instance_location = 0; - prim_packet.base_vert_location = 0; - - if (prim_packet.verts_per_instance == 0) - return TRUE; - - return brw_batchbuffer_data( brw->winsys, - &prim_packet, - sizeof(prim_packet) ); -} - - -/* May fail if out of video memory for texture or vbo upload, or on - * fallback conditions. - */ -static boolean brw_try_draw_elements( struct pipe_context *pipe, - struct pipe_buffer *index_buffer, - unsigned index_size, - unsigned mode, - unsigned start, - unsigned count ) -{ - struct brw_context *brw = brw_context(pipe); - - /* Set the first primitive ahead of validate_state: - */ - brw_set_prim(brw, mode); - - /* Upload index, vertex data: - */ - if (index_buffer && - !brw_upload_indices( brw, index_buffer, index_size, start, count )) - return FALSE; - - if (!brw_upload_vertex_buffers(brw)) - return FALSE; - - if (!brw_upload_vertex_elements( brw )) - return FALSE; - - /* XXX: Need to separate validate and upload of state. - */ - if (brw->state.dirty.brw) - brw_validate_state( brw ); - - if (!brw_emit_prim(brw, index_buffer != NULL, - start, count)) - return FALSE; - - return TRUE; -} - - - -static boolean brw_draw_elements( struct pipe_context *pipe, - struct pipe_buffer *indexBuffer, - unsigned indexSize, - unsigned mode, - unsigned start, - unsigned count ) -{ - if (!brw_try_draw_elements( pipe, - indexBuffer, - indexSize, - mode, start, count )) - { - /* flush ? */ - - if (!brw_try_draw_elements( pipe, - indexBuffer, - indexSize, - mode, start, - count )) { - assert(0); - return FALSE; - } - } - - return TRUE; -} - - - -static boolean brw_draw_arrays( struct pipe_context *pipe, - unsigned mode, - unsigned start, - unsigned count ) -{ - if (!brw_try_draw_elements( pipe, NULL, 0, mode, start, count )) { - /* flush ? */ - - if (!brw_try_draw_elements( pipe, NULL, 0, mode, start, count )) { - assert(0); - return FALSE; - } - } - - return TRUE; -} - - - -void brw_init_draw_functions( struct brw_context *brw ) -{ - brw->pipe.draw_arrays = brw_draw_arrays; - brw->pipe.draw_elements = brw_draw_elements; -} - - |