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path: root/src/gallium/drivers/svga/svga_draw.c
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Diffstat (limited to 'src/gallium/drivers/svga/svga_draw.c')
-rw-r--r--src/gallium/drivers/svga/svga_draw.c370
1 files changed, 370 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 0000000000..1b371cecc6
--- /dev/null
+++ b/src/gallium/drivers/svga/svga_draw.c
@@ -0,0 +1,370 @@
+/**********************************************************
+ * 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_draw.h"
+#include "svga_draw_private.h"
+#include "svga_screen.h"
+#include "svga_screen_buffer.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;
+ }
+
+ 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;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-23 20:15:07 +0000