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/**************************************************************************
*
* 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"
struct brw_array_state {
union header_union header;
struct {
union {
struct {
unsigned pitch:11;
unsigned pad:15;
unsigned access_type:1;
unsigned vb_index:5;
} bits;
unsigned dword;
} vb0;
struct pipe_buffer *buffer;
unsigned offset;
unsigned max_index;
unsigned instance_data_step_rate;
} vb[BRW_VBP_MAX];
};
unsigned brw_translate_surface_format( unsigned id )
{
switch (id) {
case PIPE_FORMAT_R64_FLOAT:
return BRW_SURFACEFORMAT_R64_FLOAT;
case PIPE_FORMAT_R64G64_FLOAT:
return BRW_SURFACEFORMAT_R64G64_FLOAT;
case PIPE_FORMAT_R64G64B64_FLOAT:
return BRW_SURFACEFORMAT_R64G64B64_FLOAT;
case PIPE_FORMAT_R64G64B64A64_FLOAT:
return BRW_SURFACEFORMAT_R64G64B64A64_FLOAT;
case PIPE_FORMAT_R32_FLOAT:
return BRW_SURFACEFORMAT_R32_FLOAT;
case PIPE_FORMAT_R32G32_FLOAT:
return BRW_SURFACEFORMAT_R32G32_FLOAT;
case PIPE_FORMAT_R32G32B32_FLOAT:
return BRW_SURFACEFORMAT_R32G32B32_FLOAT;
case PIPE_FORMAT_R32G32B32A32_FLOAT:
return BRW_SURFACEFORMAT_R32G32B32A32_FLOAT;
case PIPE_FORMAT_R32_UNORM:
return BRW_SURFACEFORMAT_R32_UNORM;
case PIPE_FORMAT_R32G32_UNORM:
return BRW_SURFACEFORMAT_R32G32_UNORM;
case PIPE_FORMAT_R32G32B32_UNORM:
return BRW_SURFACEFORMAT_R32G32B32_UNORM;
case PIPE_FORMAT_R32G32B32A32_UNORM:
return BRW_SURFACEFORMAT_R32G32B32A32_UNORM;
case PIPE_FORMAT_R32_USCALED:
return BRW_SURFACEFORMAT_R32_USCALED;
case PIPE_FORMAT_R32G32_USCALED:
return BRW_SURFACEFORMAT_R32G32_USCALED;
case PIPE_FORMAT_R32G32B32_USCALED:
return BRW_SURFACEFORMAT_R32G32B32_USCALED;
case PIPE_FORMAT_R32G32B32A32_USCALED:
return BRW_SURFACEFORMAT_R32G32B32A32_USCALED;
case PIPE_FORMAT_R32_SNORM:
return BRW_SURFACEFORMAT_R32_SNORM;
case PIPE_FORMAT_R32G32_SNORM:
return BRW_SURFACEFORMAT_R32G32_SNORM;
case PIPE_FORMAT_R32G32B32_SNORM:
return BRW_SURFACEFORMAT_R32G32B32_SNORM;
case PIPE_FORMAT_R32G32B32A32_SNORM:
return BRW_SURFACEFORMAT_R32G32B32A32_SNORM;
case PIPE_FORMAT_R32_SSCALED:
return BRW_SURFACEFORMAT_R32_SSCALED;
case PIPE_FORMAT_R32G32_SSCALED:
return BRW_SURFACEFORMAT_R32G32_SSCALED;
case PIPE_FORMAT_R32G32B32_SSCALED:
return BRW_SURFACEFORMAT_R32G32B32_SSCALED;
case PIPE_FORMAT_R32G32B32A32_SSCALED:
return BRW_SURFACEFORMAT_R32G32B32A32_SSCALED;
case PIPE_FORMAT_R16_UNORM:
return BRW_SURFACEFORMAT_R16_UNORM;
case PIPE_FORMAT_R16G16_UNORM:
return BRW_SURFACEFORMAT_R16G16_UNORM;
case PIPE_FORMAT_R16G16B16_UNORM:
return BRW_SURFACEFORMAT_R16G16B16_UNORM;
case PIPE_FORMAT_R16G16B16A16_UNORM:
return BRW_SURFACEFORMAT_R16G16B16A16_UNORM;
case PIPE_FORMAT_R16_USCALED:
return BRW_SURFACEFORMAT_R16_USCALED;
case PIPE_FORMAT_R16G16_USCALED:
return BRW_SURFACEFORMAT_R16G16_USCALED;
case PIPE_FORMAT_R16G16B16_USCALED:
return BRW_SURFACEFORMAT_R16G16B16_USCALED;
case PIPE_FORMAT_R16G16B16A16_USCALED:
return BRW_SURFACEFORMAT_R16G16B16A16_USCALED;
case PIPE_FORMAT_R16_SNORM:
return BRW_SURFACEFORMAT_R16_SNORM;
case PIPE_FORMAT_R16G16_SNORM:
return BRW_SURFACEFORMAT_R16G16_SNORM;
case PIPE_FORMAT_R16G16B16_SNORM:
return BRW_SURFACEFORMAT_R16G16B16_SNORM;
case PIPE_FORMAT_R16G16B16A16_SNORM:
return BRW_SURFACEFORMAT_R16G16B16A16_SNORM;
case PIPE_FORMAT_R16_SSCALED:
return BRW_SURFACEFORMAT_R16_SSCALED;
case PIPE_FORMAT_R16G16_SSCALED:
return BRW_SURFACEFORMAT_R16G16_SSCALED;
case PIPE_FORMAT_R16G16B16_SSCALED:
return BRW_SURFACEFORMAT_R16G16B16_SSCALED;
case PIPE_FORMAT_R16G16B16A16_SSCALED:
return BRW_SURFACEFORMAT_R16G16B16A16_SSCALED;
case PIPE_FORMAT_R8_UNORM:
return BRW_SURFACEFORMAT_R8_UNORM;
case PIPE_FORMAT_R8G8_UNORM:
return BRW_SURFACEFORMAT_R8G8_UNORM;
case PIPE_FORMAT_R8G8B8_UNORM:
return BRW_SURFACEFORMAT_R8G8B8_UNORM;
case PIPE_FORMAT_R8G8B8A8_UNORM:
return BRW_SURFACEFORMAT_R8G8B8A8_UNORM;
case PIPE_FORMAT_R8_USCALED:
return BRW_SURFACEFORMAT_R8_USCALED;
case PIPE_FORMAT_R8G8_USCALED:
return BRW_SURFACEFORMAT_R8G8_USCALED;
case PIPE_FORMAT_R8G8B8_USCALED:
return BRW_SURFACEFORMAT_R8G8B8_USCALED;
case PIPE_FORMAT_R8G8B8A8_USCALED:
return BRW_SURFACEFORMAT_R8G8B8A8_USCALED;
case PIPE_FORMAT_R8_SNORM:
return BRW_SURFACEFORMAT_R8_SNORM;
case PIPE_FORMAT_R8G8_SNORM:
return BRW_SURFACEFORMAT_R8G8_SNORM;
case PIPE_FORMAT_R8G8B8_SNORM:
return BRW_SURFACEFORMAT_R8G8B8_SNORM;
case PIPE_FORMAT_R8G8B8A8_SNORM:
return BRW_SURFACEFORMAT_R8G8B8A8_SNORM;
case PIPE_FORMAT_R8_SSCALED:
return BRW_SURFACEFORMAT_R8_SSCALED;
case PIPE_FORMAT_R8G8_SSCALED:
return BRW_SURFACEFORMAT_R8G8_SSCALED;
case PIPE_FORMAT_R8G8B8_SSCALED:
return BRW_SURFACEFORMAT_R8G8B8_SSCALED;
case PIPE_FORMAT_R8G8B8A8_SSCALED:
return BRW_SURFACEFORMAT_R8G8B8A8_SSCALED;
default:
assert(0);
return 0;
}
}
static unsigned get_index_type(int type)
{
switch (type) {
case 1: return BRW_INDEX_BYTE;
case 2: return BRW_INDEX_WORD;
case 4: return BRW_INDEX_DWORD;
default: assert(0); return 0;
}
}
boolean brw_upload_vertex_buffers( struct brw_context *brw )
{
struct brw_array_state vbp;
unsigned nr_enabled = 0;
unsigned i;
memset(&vbp, 0, sizeof(vbp));
/* This is a hardware limit:
*/
for (i = 0; i < BRW_VEP_MAX; i++)
{
if (brw->vb.vbo_array[i] == NULL) {
nr_enabled = i;
break;
}
vbp.vb[i].vb0.bits.pitch = brw->vb.vbo_array[i]->stride;
vbp.vb[i].vb0.bits.pad = 0;
vbp.vb[i].vb0.bits.access_type = BRW_VERTEXBUFFER_ACCESS_VERTEXDATA;
vbp.vb[i].vb0.bits.vb_index = i;
vbp.vb[i].offset = brw->vb.vbo_array[i]->buffer_offset;
vbp.vb[i].buffer = brw->vb.vbo_array[i]->buffer;
vbp.vb[i].max_index = brw->vb.vbo_array[i]->max_index;
}
vbp.header.bits.length = (1 + nr_enabled * 4) - 2;
vbp.header.bits.opcode = CMD_VERTEX_BUFFER;
BEGIN_BATCH(vbp.header.bits.length+2, 0);
OUT_BATCH( vbp.header.dword );
for (i = 0; i < nr_enabled; i++) {
OUT_BATCH( vbp.vb[i].vb0.dword );
OUT_RELOC( vbp.vb[i].buffer, PIPE_BUFFER_USAGE_GPU_READ,
vbp.vb[i].offset);
OUT_BATCH( vbp.vb[i].max_index );
OUT_BATCH( vbp.vb[i].instance_data_step_rate );
}
ADVANCE_BATCH();
return TRUE;
}
boolean brw_upload_vertex_elements( struct brw_context *brw )
{
struct brw_vertex_element_packet vep;
unsigned i;
unsigned nr_enabled = brw->attribs.VertexProgram->info.num_inputs;
memset(&vep, 0, sizeof(vep));
for (i = 0; i < nr_enabled; i++)
vep.ve[i] = brw->vb.inputs[i];
vep.header.length = (1 + nr_enabled * sizeof(vep.ve[0])/4) - 2;
vep.header.opcode = CMD_VERTEX_ELEMENT;
brw_cached_batch_struct(brw, &vep, 4 + nr_enabled * sizeof(vep.ve[0]));
return TRUE;
}
boolean brw_upload_indices( struct brw_context *brw,
const struct pipe_buffer *index_buffer,
int ib_size, int start, int count)
{
/* Emit the indexbuffer packet:
*/
{
struct brw_indexbuffer ib;
memset(&ib, 0, sizeof(ib));
ib.header.bits.opcode = CMD_INDEX_BUFFER;
ib.header.bits.length = sizeof(ib)/4 - 2;
ib.header.bits.index_format = get_index_type(ib_size);
ib.header.bits.cut_index_enable = 0;
BEGIN_BATCH(4, 0);
OUT_BATCH( ib.header.dword );
OUT_RELOC( index_buffer, PIPE_BUFFER_USAGE_GPU_READ, start);
OUT_RELOC( index_buffer, PIPE_BUFFER_USAGE_GPU_READ, start + count);
OUT_BATCH( 0 );
ADVANCE_BATCH();
}
return TRUE;
}
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