83 lines
2.6 KiB
C
83 lines
2.6 KiB
C
/**********************************************************
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* Copyright 2008-2009 VMware, Inc. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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**********************************************************/
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#include "util/u_inlines.h"
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#include "pipe/p_defines.h"
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#include "util/u_math.h"
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#include "tgsi/tgsi_parse.h"
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#include "svga_context.h"
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#include "svga_resource_buffer.h"
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/***********************************************************************
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* Constant buffers
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*/
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struct svga_constbuf
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{
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unsigned type;
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float (*data)[4];
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unsigned count;
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};
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static void svga_set_constant_buffer(struct pipe_context *pipe,
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uint shader, uint index,
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struct pipe_constant_buffer *cb)
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{
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struct svga_context *svga = svga_context(pipe);
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struct pipe_resource *buf = cb ? cb->buffer : NULL;
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if (cb && cb->user_buffer) {
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buf = svga_user_buffer_create(pipe->screen, cb->user_buffer,
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cb->buffer_size,
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PIPE_BIND_CONSTANT_BUFFER);
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}
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assert(shader < PIPE_SHADER_TYPES);
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assert(index == 0);
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pipe_resource_reference( &svga->curr.cb[shader],
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buf );
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if (shader == PIPE_SHADER_FRAGMENT)
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svga->dirty |= SVGA_NEW_FS_CONST_BUFFER;
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else
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svga->dirty |= SVGA_NEW_VS_CONST_BUFFER;
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if (cb && cb->user_buffer) {
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pipe_resource_reference(&buf, NULL);
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}
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}
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void svga_init_constbuffer_functions( struct svga_context *svga )
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{
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svga->pipe.set_constant_buffer = svga_set_constant_buffer;
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}
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