diff options
Diffstat (limited to 'src/gallium/drivers/svga/svga_draw.c')
-rw-r--r-- | src/gallium/drivers/svga/svga_draw.c | 378 |
1 files changed, 378 insertions, 0 deletions
diff --git a/src/gallium/drivers/svga/svga_draw.c b/src/gallium/drivers/svga/svga_draw.c new file mode 100644 index 0000000..ca73cf9 --- /dev/null +++ b/src/gallium/drivers/svga/svga_draw.c @@ -0,0 +1,378 @@ +/********************************************************** + * Copyright 2008-2009 VMware, Inc. 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, sublicense, 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 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 + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * 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 "pipe/p_compiler.h" +#include "pipe/p_inlines.h" +#include "pipe/p_defines.h" +#include "util/u_memory.h" +#include "util/u_math.h" + +#include "svga_context.h" +#include "svga_draw.h" +#include "svga_draw_private.h" +#include "svga_debug.h" +#include "svga_screen.h" +#include "svga_screen_buffer.h" +#include "svga_screen_texture.h" +#include "svga_winsys.h" +#include "svga_cmd.h" + + +struct svga_hwtnl *svga_hwtnl_create( struct svga_context *svga, + struct u_upload_mgr *upload_ib, + struct svga_winsys_context *swc ) +{ + struct svga_hwtnl *hwtnl = CALLOC_STRUCT(svga_hwtnl); + if (hwtnl == NULL) + goto fail; + + hwtnl->svga = svga; + hwtnl->upload_ib = upload_ib; + + hwtnl->cmd.swc = swc; + + return hwtnl; + +fail: + return NULL; +} + +void svga_hwtnl_destroy( struct svga_hwtnl *hwtnl ) +{ + int i, j; + + for (i = 0; i < PIPE_PRIM_MAX; i++) { + for (j = 0; j < IDX_CACHE_MAX; j++) { + pipe_buffer_reference( &hwtnl->index_cache[i][j].buffer, + NULL ); + } + } + + for (i = 0; i < hwtnl->cmd.vdecl_count; i++) + pipe_buffer_reference(&hwtnl->cmd.vdecl_vb[i], NULL); + + for (i = 0; i < hwtnl->cmd.prim_count; i++) + pipe_buffer_reference(&hwtnl->cmd.prim_ib[i], NULL); + + + FREE(hwtnl); +} + + +void svga_hwtnl_set_flatshade( struct svga_hwtnl *hwtnl, + boolean flatshade, + boolean flatshade_first ) +{ + hwtnl->hw_pv = PV_FIRST; + hwtnl->api_pv = (flatshade && !flatshade_first) ? PV_LAST : PV_FIRST; +} + +void svga_hwtnl_set_unfilled( struct svga_hwtnl *hwtnl, + unsigned mode ) +{ + hwtnl->api_fillmode = mode; +} + +void svga_hwtnl_reset_vdecl( struct svga_hwtnl *hwtnl, + unsigned count ) +{ + unsigned i; + + assert(hwtnl->cmd.prim_count == 0); + + for (i = count; i < hwtnl->cmd.vdecl_count; i++) { + pipe_buffer_reference(&hwtnl->cmd.vdecl_vb[i], + NULL); + } + + hwtnl->cmd.vdecl_count = count; +} + + +void svga_hwtnl_vdecl( struct svga_hwtnl *hwtnl, + unsigned i, + const SVGA3dVertexDecl *decl, + struct pipe_buffer *vb) +{ + assert(hwtnl->cmd.prim_count == 0); + + assert( i < hwtnl->cmd.vdecl_count ); + + hwtnl->cmd.vdecl[i] = *decl; + + pipe_buffer_reference(&hwtnl->cmd.vdecl_vb[i], + vb); +} + + + +enum pipe_error +svga_hwtnl_flush( struct svga_hwtnl *hwtnl ) +{ + struct svga_winsys_context *swc = hwtnl->cmd.swc; + struct svga_context *svga = hwtnl->svga; + enum pipe_error ret; + + if (hwtnl->cmd.prim_count) { + struct svga_winsys_surface *vb_handle[SVGA3D_INPUTREG_MAX]; + struct svga_winsys_surface *ib_handle[QSZ]; + struct svga_winsys_surface *handle; + SVGA3dVertexDecl *vdecl; + SVGA3dPrimitiveRange *prim; + unsigned i; + + for (i = 0; i < hwtnl->cmd.vdecl_count; i++) { + handle = svga_buffer_handle(svga, hwtnl->cmd.vdecl_vb[i]); + if (handle == NULL) + return PIPE_ERROR_OUT_OF_MEMORY; + + vb_handle[i] = handle; + } + + for (i = 0; i < hwtnl->cmd.prim_count; i++) { + if (hwtnl->cmd.prim_ib[i]) { + handle = svga_buffer_handle(svga, hwtnl->cmd.prim_ib[i]); + if (handle == NULL) + return PIPE_ERROR_OUT_OF_MEMORY; + } + else + handle = NULL; + + ib_handle[i] = handle; + } + + SVGA_DBG(DEBUG_DMA, "draw to sid %p, %d prims\n", + svga->curr.framebuffer.cbufs[0] ? + svga_surface(svga->curr.framebuffer.cbufs[0])->handle : NULL, + hwtnl->cmd.prim_count); + + ret = SVGA3D_BeginDrawPrimitives(swc, + &vdecl, + hwtnl->cmd.vdecl_count, + &prim, + hwtnl->cmd.prim_count); + if (ret != PIPE_OK) + return ret; + + + memcpy( vdecl, + hwtnl->cmd.vdecl, + hwtnl->cmd.vdecl_count * sizeof hwtnl->cmd.vdecl[0]); + + for (i = 0; i < hwtnl->cmd.vdecl_count; i++) { + /* Given rangeHint is considered to be relative to indexBias, and + * indexBias varies per primitive, we cannot accurately supply an + * rangeHint when emitting more than one primitive per draw command. + */ + if (hwtnl->cmd.prim_count == 1) { + vdecl[i].rangeHint.first = hwtnl->cmd.min_index[0]; + vdecl[i].rangeHint.last = hwtnl->cmd.max_index[0] + 1; + } + else { + vdecl[i].rangeHint.first = 0; + vdecl[i].rangeHint.last = 0; + } + + swc->surface_relocation(swc, + &vdecl[i].array.surfaceId, + vb_handle[i], + PIPE_BUFFER_USAGE_GPU_READ); + } + + memcpy( prim, + hwtnl->cmd.prim, + hwtnl->cmd.prim_count * sizeof hwtnl->cmd.prim[0]); + + for (i = 0; i < hwtnl->cmd.prim_count; i++) { + swc->surface_relocation(swc, + &prim[i].indexArray.surfaceId, + ib_handle[i], + PIPE_BUFFER_USAGE_GPU_READ); + pipe_buffer_reference(&hwtnl->cmd.prim_ib[i], NULL); + } + + SVGA_FIFOCommitAll( swc ); + hwtnl->cmd.prim_count = 0; + } + + return PIPE_OK; +} + + + + + +/*********************************************************************** + * Internal functions: + */ + +enum pipe_error svga_hwtnl_prim( struct svga_hwtnl *hwtnl, + const SVGA3dPrimitiveRange *range, + unsigned min_index, + unsigned max_index, + struct pipe_buffer *ib ) +{ + int ret = PIPE_OK; + +#ifdef DEBUG + { + unsigned i; + for (i = 0; i < hwtnl->cmd.vdecl_count; i++) { + struct pipe_buffer *vb = hwtnl->cmd.vdecl_vb[i]; + unsigned size = vb ? vb->size : 0; + unsigned offset = hwtnl->cmd.vdecl[i].array.offset; + unsigned stride = hwtnl->cmd.vdecl[i].array.stride; + unsigned index_bias = range->indexBias; + unsigned width; + + assert(vb); + assert(size); + assert(offset < size); + assert(index_bias >= 0); + assert(min_index <= max_index); + assert(offset + index_bias*stride < size); + assert(offset + (index_bias + min_index)*stride < size); + + switch (hwtnl->cmd.vdecl[i].identity.type) { + case SVGA3D_DECLTYPE_FLOAT1: + width = 4; + break; + case SVGA3D_DECLTYPE_FLOAT2: + width = 4*2; + break; + case SVGA3D_DECLTYPE_FLOAT3: + width = 4*3; + break; + case SVGA3D_DECLTYPE_FLOAT4: + width = 4*4; + break; + case SVGA3D_DECLTYPE_D3DCOLOR: + width = 4; + break; + case SVGA3D_DECLTYPE_UBYTE4: + width = 1*4; + break; + case SVGA3D_DECLTYPE_SHORT2: + width = 2*2; + break; + case SVGA3D_DECLTYPE_SHORT4: + width = 2*4; + break; + case SVGA3D_DECLTYPE_UBYTE4N: + width = 1*4; + break; + case SVGA3D_DECLTYPE_SHORT2N: + width = 2*2; + break; + case SVGA3D_DECLTYPE_SHORT4N: + width = 2*4; + break; + case SVGA3D_DECLTYPE_USHORT2N: + width = 2*2; + break; + case SVGA3D_DECLTYPE_USHORT4N: + width = 2*4; + break; + case SVGA3D_DECLTYPE_UDEC3: + width = 4; + break; + case SVGA3D_DECLTYPE_DEC3N: + width = 4; + break; + case SVGA3D_DECLTYPE_FLOAT16_2: + width = 2*2; + break; + case SVGA3D_DECLTYPE_FLOAT16_4: + width = 2*4; + break; + default: + assert(0); + width = 0; + break; + } + + assert(!stride || width <= stride); + assert(offset + (index_bias + max_index)*stride + width <= size); + } + + assert(range->indexWidth == range->indexArray.stride); + + if(ib) { + unsigned size = ib->size; + unsigned offset = range->indexArray.offset; + unsigned stride = range->indexArray.stride; + unsigned count; + + assert(size); + assert(offset < size); + assert(stride); + + switch (range->primType) { + case SVGA3D_PRIMITIVE_POINTLIST: + count = range->primitiveCount; + break; + case SVGA3D_PRIMITIVE_LINELIST: + count = range->primitiveCount * 2; + break; + case SVGA3D_PRIMITIVE_LINESTRIP: + count = range->primitiveCount + 1; + break; + case SVGA3D_PRIMITIVE_TRIANGLELIST: + count = range->primitiveCount * 3; + break; + case SVGA3D_PRIMITIVE_TRIANGLESTRIP: + count = range->primitiveCount + 2; + break; + case SVGA3D_PRIMITIVE_TRIANGLEFAN: + count = range->primitiveCount + 2; + break; + default: + assert(0); + count = 0; + break; + } + + assert(offset + count*stride <= size); + } + } +#endif + + if (hwtnl->cmd.prim_count+1 >= QSZ) { + ret = svga_hwtnl_flush( hwtnl ); + if (ret != PIPE_OK) + return ret; + } + + /* min/max indices are relative to bias */ + hwtnl->cmd.min_index[hwtnl->cmd.prim_count] = min_index; + hwtnl->cmd.max_index[hwtnl->cmd.prim_count] = max_index; + + hwtnl->cmd.prim[hwtnl->cmd.prim_count] = *range; + + pipe_buffer_reference(&hwtnl->cmd.prim_ib[hwtnl->cmd.prim_count], ib); + hwtnl->cmd.prim_count++; + + return ret; +} |