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/**********************************************************
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* Copyright 2008-2009 VMware, Inc. All rights reserved.
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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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* 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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* 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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**********************************************************/
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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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svga_set_constant_buffer(struct pipe_context *pipe,
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enum pipe_shader_type shader, uint index,
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const struct pipe_constant_buffer *cb)
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struct svga_screen *svgascreen = svga_screen(pipe->screen);
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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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unsigned buffer_size = 0;
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buffer_size = cb->buffer_size;
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if (cb->user_buffer) {
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buf = svga_user_buffer_create(pipe->screen,
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(void *) cb->user_buffer,
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PIPE_BIND_CONSTANT_BUFFER);
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assert(shader < PIPE_SHADER_TYPES);
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assert(index < ARRAY_SIZE(svga->curr.constbufs[shader]));
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assert(index < svgascreen->max_const_buffers);
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pipe_resource_reference(&svga->curr.constbufs[shader][index].buffer, NULL);
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svga->curr.constbufs[shader][index].buffer = buf;
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pipe_resource_reference(&svga->curr.constbufs[shader][index].buffer, buf);
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/* Make sure the constant buffer size to be updated is within the
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* limit supported by the device.
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svga->curr.constbufs[shader][index].buffer_size =
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MIN2(buffer_size, SVGA_MAX_CONST_BUF_SIZE);
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svga->curr.constbufs[shader][index].buffer_offset = cb ? cb->buffer_offset : 0;
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svga->curr.constbufs[shader][index].user_buffer = NULL; /* not used */
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if (shader == PIPE_SHADER_FRAGMENT)
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svga->dirty |= SVGA_NEW_FS_CONSTS;
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else if (shader == PIPE_SHADER_VERTEX)
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svga->dirty |= SVGA_NEW_VS_CONSTS;
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else if (shader == PIPE_SHADER_GEOMETRY)
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svga->dirty |= SVGA_NEW_GS_CONSTS;
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else if (shader == PIPE_SHADER_TESS_CTRL)
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svga->dirty |= SVGA_NEW_TCS_CONSTS;
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else if (shader == PIPE_SHADER_TESS_EVAL)
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svga->dirty |= SVGA_NEW_TES_CONSTS;
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else if (shader == PIPE_SHADER_COMPUTE)
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svga->dirty |= SVGA_NEW_CS_CONSTS;
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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 if (shader == PIPE_SHADER_VERTEX)
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svga->dirty |= SVGA_NEW_VS_CONST_BUFFER;
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else if (shader == PIPE_SHADER_GEOMETRY)
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svga->dirty |= SVGA_NEW_GS_CONST_BUFFER;
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else if (shader == PIPE_SHADER_TESS_CTRL)
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svga->dirty |= SVGA_NEW_TCS_CONST_BUFFER;
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else if (shader == PIPE_SHADER_TESS_EVAL)
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svga->dirty |= SVGA_NEW_TES_CONST_BUFFER;
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else if (shader == PIPE_SHADER_COMPUTE)
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svga->dirty |= SVGA_NEW_CS_CONST_BUFFER;
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/* update bitmask of dirty const buffers */
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svga->state.dirty_constbufs[shader] |= (1 << index);
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/* purge any stale rawbuf srv */
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svga_destroy_rawbuf_srv(svga);
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if (cb && cb->user_buffer) {
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pipe_resource_reference(&buf, NULL);
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svga_init_constbuffer_functions(struct svga_context *svga)
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svga->pipe.set_constant_buffer = svga_set_constant_buffer;