src/parsec/disk-image/parsec/parsec-benchmark/pkgs/libs/mesa/src/src/mesa/drivers/dri/r300/r300_emit.c - public/gem5-resources - Git at Google

 /*
 Copyright (C) The Weather Channel, Inc.  2002.  All Rights Reserved.

 The Weather Channel (TM) funded Tungsten Graphics to develop the
 initial release of the Radeon 8500 driver under the XFree86 license.
 This notice must be preserved.

 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 (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 NONINFRINGEMENT.
 IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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.

 **************************************************************************/

 /**
  * \file
  *
  * \author Keith Whitwell <keith@tungstengraphics.com>
  */

 #include "glheader.h"
 #include "mtypes.h"
 #include "colormac.h"
 #include "imports.h"
 #include "macros.h"
 #include "image.h"

 #include "swrast_setup/swrast_setup.h"
 #include "math/m_translate.h"
 #include "tnl/tnl.h"
 #include "tnl/t_context.h"

 #include "r300_context.h"
 #include "radeon_ioctl.h"
 #include "r300_state.h"
 #include "r300_emit.h"
 #include "r300_ioctl.h"

 #ifdef USER_BUFFERS
 #include "r300_mem.h"
 #endif

 #if SWIZZLE_X != R300_INPUT_ROUTE_SELECT_X || \
     SWIZZLE_Y != R300_INPUT_ROUTE_SELECT_Y || \
     SWIZZLE_Z != R300_INPUT_ROUTE_SELECT_Z || \
     SWIZZLE_W != R300_INPUT_ROUTE_SELECT_W || \
     SWIZZLE_ZERO != R300_INPUT_ROUTE_SELECT_ZERO || \
     SWIZZLE_ONE != R300_INPUT_ROUTE_SELECT_ONE
 #error Cannot change these!
 #endif

 #define DEBUG_ALL DEBUG_VERTS

 #if defined(USE_X86_ASM)
 #define COPY_DWORDS( dst, src, nr )					\
 do {									\
 	int __tmp;							\
 	__asm__ __volatile__( "rep ; movsl"				\
 			      : "=%c" (__tmp), "=D" (dst), "=S" (__tmp)	\
 			      : "0" (nr),				\
 			        "D" ((long)dst),			\
 			        "S" ((long)src) );			\
 } while (0)
 #else
 #define COPY_DWORDS( dst, src, nr )		\
 do {						\
    int j;					\
    for ( j = 0 ; j < nr ; j++ )			\
       dst[j] = ((int *)src)[j];			\
    dst += nr;					\
 } while (0)
 #endif

 static void r300EmitVec4(GLcontext * ctx, struct r300_dma_region *rvb,
 			 GLvoid * data, int stride, int count)
 {
 	int i;
 	int *out = (int *)(rvb->address + rvb->start);

 	if (RADEON_DEBUG & DEBUG_VERTS)
 		fprintf(stderr, "%s count %d stride %d out %p data %p\n",
 			__FUNCTION__, count, stride, (void *)out, (void *)data);

 	if (stride == 4)
 		COPY_DWORDS(out, data, count);
 	else
 		for (i = 0; i < count; i++) {
 			out[0] = *(int *)data;
 			out++;
 			data += stride;
 		}
 }

 static void r300EmitVec8(GLcontext * ctx, struct r300_dma_region *rvb,
 			 GLvoid * data, int stride, int count)
 {
 	int i;
 	int *out = (int *)(rvb->address + rvb->start);

 	if (RADEON_DEBUG & DEBUG_VERTS)
 		fprintf(stderr, "%s count %d stride %d out %p data %p\n",
 			__FUNCTION__, count, stride, (void *)out, (void *)data);

 	if (stride == 8)
 		COPY_DWORDS(out, data, count * 2);
 	else
 		for (i = 0; i < count; i++) {
 			out[0] = *(int *)data;
 			out[1] = *(int *)(data + 4);
 			out += 2;
 			data += stride;
 		}
 }

 static void r300EmitVec12(GLcontext * ctx, struct r300_dma_region *rvb,
 			  GLvoid * data, int stride, int count)
 {
 	int i;
 	int *out = (int *)(rvb->address + rvb->start);

 	if (RADEON_DEBUG & DEBUG_VERTS)
 		fprintf(stderr, "%s count %d stride %d out %p data %p\n",
 			__FUNCTION__, count, stride, (void *)out, (void *)data);

 	if (stride == 12)
 		COPY_DWORDS(out, data, count * 3);
 	else
 		for (i = 0; i < count; i++) {
 			out[0] = *(int *)data;
 			out[1] = *(int *)(data + 4);
 			out[2] = *(int *)(data + 8);
 			out += 3;
 			data += stride;
 		}
 }

 static void r300EmitVec16(GLcontext * ctx, struct r300_dma_region *rvb,
 			  GLvoid * data, int stride, int count)
 {
 	int i;
 	int *out = (int *)(rvb->address + rvb->start);

 	if (RADEON_DEBUG & DEBUG_VERTS)
 		fprintf(stderr, "%s count %d stride %d out %p data %p\n",
 			__FUNCTION__, count, stride, (void *)out, (void *)data);

 	if (stride == 16)
 		COPY_DWORDS(out, data, count * 4);
 	else
 		for (i = 0; i < count; i++) {
 			out[0] = *(int *)data;
 			out[1] = *(int *)(data + 4);
 			out[2] = *(int *)(data + 8);
 			out[3] = *(int *)(data + 12);
 			out += 4;
 			data += stride;
 		}
 }

 static void r300EmitVec(GLcontext * ctx, struct r300_dma_region *rvb,
 			GLvoid * data, int size, int stride, int count)
 {
 	r300ContextPtr rmesa = R300_CONTEXT(ctx);

 	if (stride == 0) {
 		r300AllocDmaRegion(rmesa, rvb, size * 4, 4);
 		count = 1;
 		rvb->aos_offset = GET_START(rvb);
 		rvb->aos_stride = 0;
 	} else {
 		r300AllocDmaRegion(rmesa, rvb, size * count * 4, 4);
 		rvb->aos_offset = GET_START(rvb);
 		rvb->aos_stride = size;
 	}

 	switch (size) {
 	case 1:
 		r300EmitVec4(ctx, rvb, data, stride, count);
 		break;
 	case 2:
 		r300EmitVec8(ctx, rvb, data, stride, count);
 		break;
 	case 3:
 		r300EmitVec12(ctx, rvb, data, stride, count);
 		break;
 	case 4:
 		r300EmitVec16(ctx, rvb, data, stride, count);
 		break;
 	default:
 		assert(0);
 		break;
 	}
 }

 #define DW_SIZE(x) ((inputs[tab[(x)]] << R300_DST_VEC_LOC_SHIFT) |	\
 		    (attribptr[tab[(x)]]->size - 1) << R300_DATA_TYPE_0_SHIFT)

 GLuint r300VAPInputRoute0(uint32_t * dst, GLvector4f ** attribptr,
 				 int *inputs, GLint * tab, GLuint nr)
 {
 	GLuint i, dw;

 	/* type, inputs, stop bit, size */
 	for (i = 0; i < nr; i += 2) {
 		/* make sure input is valid, would lockup the gpu */
 		assert(inputs[tab[i]] != -1);
 		dw = (R300_SIGNED | DW_SIZE(i));
 		if (i + 1 == nr) {
 			dw |= R300_LAST_VEC << R300_DATA_TYPE_0_SHIFT;
 		} else {
 			assert(inputs[tab[i + 1]] != -1);
 			dw |= (R300_SIGNED |
 			       DW_SIZE(i + 1)) << R300_DATA_TYPE_1_SHIFT;
 			if (i + 2 == nr) {
 				dw |= R300_LAST_VEC << R300_DATA_TYPE_1_SHIFT;
 			}
 		}
 		dst[i >> 1] = dw;
 	}

 	return (nr + 1) >> 1;
 }

 static GLuint r300VAPInputRoute1Swizzle(int swizzle[4])
 {
 	return (swizzle[0] << R300_SWIZZLE_SELECT_X_SHIFT) |
 	    (swizzle[1] << R300_SWIZZLE_SELECT_Y_SHIFT) |
 	    (swizzle[2] << R300_SWIZZLE_SELECT_Z_SHIFT) |
 	    (swizzle[3] << R300_SWIZZLE_SELECT_W_SHIFT);
 }

 GLuint r300VAPInputRoute1(uint32_t * dst, int swizzle[][4], GLuint nr)
 {
 	GLuint i, dw;

 	for (i = 0; i < nr; i += 2) {
 		dw = (r300VAPInputRoute1Swizzle(swizzle[i]) |
 		      ((R300_WRITE_ENA_X | R300_WRITE_ENA_Y |
 			R300_WRITE_ENA_Z | R300_WRITE_ENA_W) << R300_WRITE_ENA_SHIFT)) << R300_SWIZZLE0_SHIFT;
 		if (i + 1 < nr) {
 			dw |= (r300VAPInputRoute1Swizzle(swizzle[i + 1]) |
 			       ((R300_WRITE_ENA_X | R300_WRITE_ENA_Y |
 				 R300_WRITE_ENA_Z | R300_WRITE_ENA_W) << R300_WRITE_ENA_SHIFT)) << R300_SWIZZLE1_SHIFT;
 		}
 		dst[i >> 1] = dw;
 	}

 	return (nr + 1) >> 1;
 }

 GLuint r300VAPInputCntl0(GLcontext * ctx, GLuint InputsRead)
 {
 	/* No idea what this value means. I have seen other values written to
 	 * this register... */
 	return 0x5555;
 }

 GLuint r300VAPInputCntl1(GLcontext * ctx, GLuint InputsRead)
 {
 	r300ContextPtr rmesa = R300_CONTEXT(ctx);
 	GLuint i, vic_1 = 0;

 	if (InputsRead & (1 << VERT_ATTRIB_POS))
 		vic_1 |= R300_INPUT_CNTL_POS;

 	if (InputsRead & (1 << VERT_ATTRIB_NORMAL))
 		vic_1 |= R300_INPUT_CNTL_NORMAL;

 	if (InputsRead & (1 << VERT_ATTRIB_COLOR0))
 		vic_1 |= R300_INPUT_CNTL_COLOR;

 	rmesa->state.texture.tc_count = 0;
 	for (i = 0; i < ctx->Const.MaxTextureUnits; i++)
 		if (InputsRead & (1 << (VERT_ATTRIB_TEX0 + i))) {
 			rmesa->state.texture.tc_count++;
 			vic_1 |= R300_INPUT_CNTL_TC0 << i;
 		}

 	return vic_1;
 }

 GLuint r300VAPOutputCntl0(GLcontext * ctx, GLuint OutputsWritten)
 {
 	GLuint ret = 0;

 	if (OutputsWritten & (1 << VERT_RESULT_HPOS))
 		ret |= R300_VAP_OUTPUT_VTX_FMT_0__POS_PRESENT;

 	if (OutputsWritten & (1 << VERT_RESULT_COL0))
 		ret |= R300_VAP_OUTPUT_VTX_FMT_0__COLOR_0_PRESENT;

 	if (OutputsWritten & (1 << VERT_RESULT_COL1))
 		ret |= R300_VAP_OUTPUT_VTX_FMT_0__COLOR_1_PRESENT;

 	if (OutputsWritten & (1 << VERT_RESULT_BFC0)
 	    || OutputsWritten & (1 << VERT_RESULT_BFC1))
 		ret |=
 		    R300_VAP_OUTPUT_VTX_FMT_0__COLOR_1_PRESENT |
 		    R300_VAP_OUTPUT_VTX_FMT_0__COLOR_2_PRESENT |
 		    R300_VAP_OUTPUT_VTX_FMT_0__COLOR_3_PRESENT;

 #if 0
 	if (OutputsWritten & (1 << VERT_RESULT_FOGC)) ;
 #endif

 	if (OutputsWritten & (1 << VERT_RESULT_PSIZ))
 		ret |= R300_VAP_OUTPUT_VTX_FMT_0__PT_SIZE_PRESENT;

 	return ret;
 }

 GLuint r300VAPOutputCntl1(GLcontext * ctx, GLuint OutputsWritten)
 {
 	GLuint i, ret = 0;

 	for (i = 0; i < ctx->Const.MaxTextureUnits; i++) {
 		if (OutputsWritten & (1 << (VERT_RESULT_TEX0 + i))) {
 			ret |= (4 << (3 * i));
 		}
 	}

 	return ret;
 }

 /* Emit vertex data to GART memory
  * Route inputs to the vertex processor
  * This function should never return R300_FALLBACK_TCL when using software tcl.
  */
 int r300EmitArrays(GLcontext * ctx)
 {
 	r300ContextPtr rmesa = R300_CONTEXT(ctx);
 	TNLcontext *tnl = TNL_CONTEXT(ctx);
 	struct vertex_buffer *vb = &tnl->vb;
 	GLuint nr;
 	GLuint count = vb->Count;
 	GLuint i;
 	GLuint InputsRead = 0, OutputsWritten = 0;
 	int *inputs = NULL;
 	int vir_inputs[VERT_ATTRIB_MAX];
 	GLint tab[VERT_ATTRIB_MAX];
 	int swizzle[VERT_ATTRIB_MAX][4];
 	struct r300_vertex_program *prog =
 	    (struct r300_vertex_program *)CURRENT_VERTEX_SHADER(ctx);

 	if (hw_tcl_on) {
 		inputs = prog->inputs;
 		InputsRead = prog->key.InputsRead;
 		OutputsWritten = prog->key.OutputsWritten;
 	} else {
 		inputs = rmesa->state.sw_tcl_inputs;

 		DECLARE_RENDERINPUTS(render_inputs_bitset);
 		RENDERINPUTS_COPY(render_inputs_bitset, tnl->render_inputs_bitset);

 		vb->AttribPtr[VERT_ATTRIB_POS] = vb->ClipPtr;

 		assert(RENDERINPUTS_TEST(render_inputs_bitset, _TNL_ATTRIB_POS));
 		assert(RENDERINPUTS_TEST(render_inputs_bitset, _TNL_ATTRIB_NORMAL) == 0);
 		//assert(RENDERINPUTS_TEST(render_inputs_bitset, _TNL_ATTRIB_COLOR0));

 		if (RENDERINPUTS_TEST(render_inputs_bitset, _TNL_ATTRIB_POS)) {
 			InputsRead |= 1 << VERT_ATTRIB_POS;
 			OutputsWritten |= 1 << VERT_RESULT_HPOS;
 		}

 		if (RENDERINPUTS_TEST(render_inputs_bitset, _TNL_ATTRIB_COLOR0)) {
 			InputsRead |= 1 << VERT_ATTRIB_COLOR0;
 			OutputsWritten |= 1 << VERT_RESULT_COL0;
 		}

 		if (RENDERINPUTS_TEST(render_inputs_bitset, _TNL_ATTRIB_COLOR1)) {
 			InputsRead |= 1 << VERT_ATTRIB_COLOR1;
 			OutputsWritten |= 1 << VERT_RESULT_COL1;
 		}

 		for (i = 0; i < ctx->Const.MaxTextureUnits; i++) {
 			if (RENDERINPUTS_TEST(render_inputs_bitset, _TNL_ATTRIB_TEX(i))) {
 				InputsRead |= 1 << (VERT_ATTRIB_TEX0 + i);
 				OutputsWritten |= 1 << (VERT_RESULT_TEX0 + i);
 			}
 		}

 		for (i = 0, nr = 0; i < VERT_ATTRIB_MAX; i++) {
 			if (InputsRead & (1 << i)) {
 				inputs[i] = nr++;
 			} else {
 				inputs[i] = -1;
 			}
 		}

 		/* Fixed, apply to vir0 only */
 		memcpy(vir_inputs, inputs, VERT_ATTRIB_MAX * sizeof(int));
 		inputs = vir_inputs;
 		if (InputsRead & VERT_ATTRIB_POS)
 			inputs[VERT_ATTRIB_POS] = 0;
 		if (InputsRead & (1 << VERT_ATTRIB_COLOR0))
 			inputs[VERT_ATTRIB_COLOR0] = 2;
 		if (InputsRead & (1 << VERT_ATTRIB_COLOR1))
 			inputs[VERT_ATTRIB_COLOR1] = 3;
 		for (i = VERT_ATTRIB_TEX0; i <= VERT_ATTRIB_TEX7; i++)
 			if (InputsRead & (1 << i))
 				inputs[i] = 6 + (i - VERT_ATTRIB_TEX0);

 		RENDERINPUTS_COPY(rmesa->state.render_inputs_bitset, render_inputs_bitset);
 	}

 	assert(InputsRead);
 	assert(OutputsWritten);

 	for (i = 0, nr = 0; i < VERT_ATTRIB_MAX; i++) {
 		if (InputsRead & (1 << i)) {
 			tab[nr++] = i;
 		}
 	}

 	if (nr > R300_MAX_AOS_ARRAYS) {
 		return R300_FALLBACK_TCL;
 	}

 	for (i = 0; i < nr; i++) {
 		int ci, fix, found = 0;

 		swizzle[i][0] = SWIZZLE_ZERO;
 		swizzle[i][1] = SWIZZLE_ZERO;
 		swizzle[i][2] = SWIZZLE_ZERO;
 		swizzle[i][3] = SWIZZLE_ONE;

 		for (ci = 0; ci < vb->AttribPtr[tab[i]]->size; ci++) {
 			swizzle[i][ci] = ci;
 		}

 		if (r300IsGartMemory(rmesa, vb->AttribPtr[tab[i]]->data, 4)) {
 			if (vb->AttribPtr[tab[i]]->stride % 4) {
 				return R300_FALLBACK_TCL;
 			}
 			rmesa->state.aos[i].address = (void *)(vb->AttribPtr[tab[i]]->data);
 			rmesa->state.aos[i].start = 0;
 			rmesa->state.aos[i].aos_offset = r300GartOffsetFromVirtual(rmesa, vb->AttribPtr[tab[i]]->data);
 			rmesa->state.aos[i].aos_stride = vb->AttribPtr[tab[i]]->stride / 4;
 			rmesa->state.aos[i].aos_size = vb->AttribPtr[tab[i]]->size;
 		} else {
 			r300EmitVec(ctx, &rmesa->state.aos[i],
 				    vb->AttribPtr[tab[i]]->data,
 				    vb->AttribPtr[tab[i]]->size,
 				    vb->AttribPtr[tab[i]]->stride, count);
 		}

 		rmesa->state.aos[i].aos_size = vb->AttribPtr[tab[i]]->size;

 		for (fix = 0; fix <= 4 - vb->AttribPtr[tab[i]]->size; fix++) {
 			if ((rmesa->state.aos[i].aos_offset - _mesa_sizeof_type(GL_FLOAT) * fix) % 4) {
 				continue;
 			}
 			found = 1;
 			break;
 		}

 		if (found) {
 			if (fix > 0) {
 				WARN_ONCE("Feeling lucky?\n");
 			}
 			rmesa->state.aos[i].aos_offset -= _mesa_sizeof_type(GL_FLOAT) * fix;
 			for (ci = 0; ci < vb->AttribPtr[tab[i]]->size; ci++) {
 				swizzle[i][ci] += fix;
 			}
 		} else {
 			WARN_ONCE
 			    ("Cannot handle offset %x with stride %d, comp %d\n",
 			     rmesa->state.aos[i].aos_offset,
 			     rmesa->state.aos[i].aos_stride,
 			     vb->AttribPtr[tab[i]]->size);
 			return R300_FALLBACK_TCL;
 		}
 	}

 	/* Setup INPUT_ROUTE. */
 	R300_STATECHANGE(rmesa, vir[0]);
 	((drm_r300_cmd_header_t *) rmesa->hw.vir[0].cmd)->packet0.count =
 	    r300VAPInputRoute0(&rmesa->hw.vir[0].cmd[R300_VIR_CNTL_0],
 			       vb->AttribPtr, inputs, tab, nr);
 	R300_STATECHANGE(rmesa, vir[1]);
 	((drm_r300_cmd_header_t *) rmesa->hw.vir[1].cmd)->packet0.count =
 	    r300VAPInputRoute1(&rmesa->hw.vir[1].cmd[R300_VIR_CNTL_0], swizzle,
 			       nr);

 	/* Setup INPUT_CNTL. */
 	R300_STATECHANGE(rmesa, vic);
 	rmesa->hw.vic.cmd[R300_VIC_CNTL_0] = r300VAPInputCntl0(ctx, InputsRead);
 	rmesa->hw.vic.cmd[R300_VIC_CNTL_1] = r300VAPInputCntl1(ctx, InputsRead);

 	/* Setup OUTPUT_VTX_FMT. */
 	R300_STATECHANGE(rmesa, vof);
 	rmesa->hw.vof.cmd[R300_VOF_CNTL_0] =
 	    r300VAPOutputCntl0(ctx, OutputsWritten);
 	rmesa->hw.vof.cmd[R300_VOF_CNTL_1] =
 	    r300VAPOutputCntl1(ctx, OutputsWritten);

 	rmesa->state.aos_count = nr;

 	return R300_FALLBACK_NONE;
 }

 #ifdef USER_BUFFERS
 void r300UseArrays(GLcontext * ctx)
 {
 	r300ContextPtr rmesa = R300_CONTEXT(ctx);
 	int i;

 	if (rmesa->state.elt_dma.buf)
 		r300_mem_use(rmesa, rmesa->state.elt_dma.buf->id);

 	for (i = 0; i < rmesa->state.aos_count; i++) {
 		if (rmesa->state.aos[i].buf)
 			r300_mem_use(rmesa, rmesa->state.aos[i].buf->id);
 	}
 }
 #endif

 void r300ReleaseArrays(GLcontext * ctx)
 {
 	r300ContextPtr rmesa = R300_CONTEXT(ctx);
 	int i;

 	r300ReleaseDmaRegion(rmesa, &rmesa->state.elt_dma, __FUNCTION__);
 	for (i = 0; i < rmesa->state.aos_count; i++) {
 		r300ReleaseDmaRegion(rmesa, &rmesa->state.aos[i], __FUNCTION__);
 	}
 }

 void r300EmitCacheFlush(r300ContextPtr rmesa)
 {
 	int cmd_reserved = 0;
 	int cmd_written = 0;

 	drm_radeon_cmd_header_t *cmd = NULL;

 	reg_start(R300_RB3D_DSTCACHE_CTLSTAT, 0);
 	e32(R300_RB3D_DSTCACHE_CTLSTAT_DC_FREE_FREE_3D_TAGS |
 	    R300_RB3D_DSTCACHE_CTLSTAT_DC_FLUSH_FLUSH_DIRTY_3D);

 	reg_start(R300_ZB_ZCACHE_CTLSTAT, 0);
 	e32(R300_ZB_ZCACHE_CTLSTAT_ZC_FLUSH_FLUSH_AND_FREE |
 	    R300_ZB_ZCACHE_CTLSTAT_ZC_FREE_FREE);
 }
	/*
	Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved.

	The Weather Channel (TM) funded Tungsten Graphics to develop the
	initial release of the Radeon 8500 driver under the XFree86 license.
	This notice must be preserved.

	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 (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 NONINFRINGEMENT.
	IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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.

	**************************************************************************/

	/**
	* \file
	*
	* \author Keith Whitwell <keith@tungstengraphics.com>
	*/

	#include "glheader.h"
	#include "mtypes.h"
	#include "colormac.h"
	#include "imports.h"
	#include "macros.h"
	#include "image.h"

	#include "swrast_setup/swrast_setup.h"
	#include "math/m_translate.h"
	#include "tnl/tnl.h"
	#include "tnl/t_context.h"

	#include "r300_context.h"
	#include "radeon_ioctl.h"
	#include "r300_state.h"
	#include "r300_emit.h"
	#include "r300_ioctl.h"

	#ifdef USER_BUFFERS
	#include "r300_mem.h"
	#endif

	#if SWIZZLE_X != R300_INPUT_ROUTE_SELECT_X \|\| \
	SWIZZLE_Y != R300_INPUT_ROUTE_SELECT_Y \|\| \
	SWIZZLE_Z != R300_INPUT_ROUTE_SELECT_Z \|\| \
	SWIZZLE_W != R300_INPUT_ROUTE_SELECT_W \|\| \
	SWIZZLE_ZERO != R300_INPUT_ROUTE_SELECT_ZERO \|\| \
	SWIZZLE_ONE != R300_INPUT_ROUTE_SELECT_ONE
	#error Cannot change these!
	#endif

	#define DEBUG_ALL DEBUG_VERTS

	#if defined(USE_X86_ASM)
	#define COPY_DWORDS( dst, src, nr ) \
	do { \
	int __tmp; \
	__asm__ __volatile__( "rep ; movsl" \
	: "=%c" (__tmp), "=D" (dst), "=S" (__tmp) \
	: "0" (nr), \
	"D" ((long)dst), \
	"S" ((long)src) ); \
	} while (0)
	#else
	#define COPY_DWORDS( dst, src, nr ) \
	do { \
	int j; \
	for ( j = 0 ; j < nr ; j++ ) \
	dst[j] = ((int *)src)[j]; \
	dst += nr; \
	} while (0)
	#endif

	static void r300EmitVec4(GLcontext * ctx, struct r300_dma_region *rvb,
	GLvoid * data, int stride, int count)
	{
	int i;
	int out = (int )(rvb->address + rvb->start);

	if (RADEON_DEBUG & DEBUG_VERTS)
	fprintf(stderr, "%s count %d stride %d out %p data %p\n",
	__FUNCTION__, count, stride, (void )out, (void )data);

	if (stride == 4)
	COPY_DWORDS(out, data, count);
	else
	for (i = 0; i < count; i++) {
	out[0] = (int )data;
	out++;
	data += stride;
	}
	}

	static void r300EmitVec8(GLcontext * ctx, struct r300_dma_region *rvb,
	GLvoid * data, int stride, int count)
	{
	int i;
	int out = (int )(rvb->address + rvb->start);

	if (RADEON_DEBUG & DEBUG_VERTS)
	fprintf(stderr, "%s count %d stride %d out %p data %p\n",
	__FUNCTION__, count, stride, (void )out, (void )data);

	if (stride == 8)
	COPY_DWORDS(out, data, count * 2);
	else
	for (i = 0; i < count; i++) {
	out[0] = (int )data;
	out[1] = (int )(data + 4);
	out += 2;
	data += stride;
	}
	}

	static void r300EmitVec12(GLcontext * ctx, struct r300_dma_region *rvb,
	GLvoid * data, int stride, int count)
	{
	int i;
	int out = (int )(rvb->address + rvb->start);

	if (RADEON_DEBUG & DEBUG_VERTS)
	fprintf(stderr, "%s count %d stride %d out %p data %p\n",
	__FUNCTION__, count, stride, (void )out, (void )data);

	if (stride == 12)
	COPY_DWORDS(out, data, count * 3);
	else
	for (i = 0; i < count; i++) {
	out[0] = (int )data;
	out[1] = (int )(data + 4);
	out[2] = (int )(data + 8);
	out += 3;
	data += stride;
	}
	}

	static void r300EmitVec16(GLcontext * ctx, struct r300_dma_region *rvb,
	GLvoid * data, int stride, int count)
	{
	int i;
	int out = (int )(rvb->address + rvb->start);

	if (RADEON_DEBUG & DEBUG_VERTS)
	fprintf(stderr, "%s count %d stride %d out %p data %p\n",
	__FUNCTION__, count, stride, (void )out, (void )data);

	if (stride == 16)
	COPY_DWORDS(out, data, count * 4);
	else
	for (i = 0; i < count; i++) {
	out[0] = (int )data;
	out[1] = (int )(data + 4);
	out[2] = (int )(data + 8);
	out[3] = (int )(data + 12);
	out += 4;
	data += stride;
	}
	}

	static void r300EmitVec(GLcontext * ctx, struct r300_dma_region *rvb,
	GLvoid * data, int size, int stride, int count)
	{
	r300ContextPtr rmesa = R300_CONTEXT(ctx);

	if (stride == 0) {
	r300AllocDmaRegion(rmesa, rvb, size * 4, 4);
	count = 1;
	rvb->aos_offset = GET_START(rvb);
	rvb->aos_stride = 0;
	} else {
	r300AllocDmaRegion(rmesa, rvb, size * count * 4, 4);
	rvb->aos_offset = GET_START(rvb);
	rvb->aos_stride = size;
	}

	switch (size) {
	case 1:
	r300EmitVec4(ctx, rvb, data, stride, count);
	break;
	case 2:
	r300EmitVec8(ctx, rvb, data, stride, count);
	break;
	case 3:
	r300EmitVec12(ctx, rvb, data, stride, count);
	break;
	case 4:
	r300EmitVec16(ctx, rvb, data, stride, count);
	break;
	default:
	assert(0);
	break;
	}
	}

	#define DW_SIZE(x) ((inputs[tab[(x)]] << R300_DST_VEC_LOC_SHIFT) \| \
	(attribptr[tab[(x)]]->size - 1) << R300_DATA_TYPE_0_SHIFT)

	GLuint r300VAPInputRoute0(uint32_t * dst, GLvector4f ** attribptr,
	int inputs, GLint tab, GLuint nr)
	{
	GLuint i, dw;

	/* type, inputs, stop bit, size */
	for (i = 0; i < nr; i += 2) {
	/* make sure input is valid, would lockup the gpu */
	assert(inputs[tab[i]] != -1);
	dw = (R300_SIGNED \| DW_SIZE(i));
	if (i + 1 == nr) {
	dw \|= R300_LAST_VEC << R300_DATA_TYPE_0_SHIFT;
	} else {
	assert(inputs[tab[i + 1]] != -1);
	dw \|= (R300_SIGNED \|
	DW_SIZE(i + 1)) << R300_DATA_TYPE_1_SHIFT;
	if (i + 2 == nr) {
	dw \|= R300_LAST_VEC << R300_DATA_TYPE_1_SHIFT;
	}
	}
	dst[i >> 1] = dw;
	}

	return (nr + 1) >> 1;
	}

	static GLuint r300VAPInputRoute1Swizzle(int swizzle[4])
	{
	return (swizzle[0] << R300_SWIZZLE_SELECT_X_SHIFT) \|
	(swizzle[1] << R300_SWIZZLE_SELECT_Y_SHIFT) \|
	(swizzle[2] << R300_SWIZZLE_SELECT_Z_SHIFT) \|
	(swizzle[3] << R300_SWIZZLE_SELECT_W_SHIFT);
	}

	GLuint r300VAPInputRoute1(uint32_t * dst, int swizzle[][4], GLuint nr)
	{
	GLuint i, dw;

	for (i = 0; i < nr; i += 2) {
	dw = (r300VAPInputRoute1Swizzle(swizzle[i]) \|
	((R300_WRITE_ENA_X \| R300_WRITE_ENA_Y \|
	R300_WRITE_ENA_Z \| R300_WRITE_ENA_W) << R300_WRITE_ENA_SHIFT)) << R300_SWIZZLE0_SHIFT;
	if (i + 1 < nr) {
	dw \|= (r300VAPInputRoute1Swizzle(swizzle[i + 1]) \|
	((R300_WRITE_ENA_X \| R300_WRITE_ENA_Y \|
	R300_WRITE_ENA_Z \| R300_WRITE_ENA_W) << R300_WRITE_ENA_SHIFT)) << R300_SWIZZLE1_SHIFT;
	}
	dst[i >> 1] = dw;
	}

	return (nr + 1) >> 1;
	}

	GLuint r300VAPInputCntl0(GLcontext * ctx, GLuint InputsRead)
	{
	/* No idea what this value means. I have seen other values written to
	* this register... */
	return 0x5555;
	}

	GLuint r300VAPInputCntl1(GLcontext * ctx, GLuint InputsRead)
	{
	r300ContextPtr rmesa = R300_CONTEXT(ctx);
	GLuint i, vic_1 = 0;

	if (InputsRead & (1 << VERT_ATTRIB_POS))
	vic_1 \|= R300_INPUT_CNTL_POS;

	if (InputsRead & (1 << VERT_ATTRIB_NORMAL))
	vic_1 \|= R300_INPUT_CNTL_NORMAL;

	if (InputsRead & (1 << VERT_ATTRIB_COLOR0))
	vic_1 \|= R300_INPUT_CNTL_COLOR;

	rmesa->state.texture.tc_count = 0;
	for (i = 0; i < ctx->Const.MaxTextureUnits; i++)
	if (InputsRead & (1 << (VERT_ATTRIB_TEX0 + i))) {
	rmesa->state.texture.tc_count++;
	vic_1 \|= R300_INPUT_CNTL_TC0 << i;
	}

	return vic_1;
	}

	GLuint r300VAPOutputCntl0(GLcontext * ctx, GLuint OutputsWritten)
	{
	GLuint ret = 0;

	if (OutputsWritten & (1 << VERT_RESULT_HPOS))
	ret \|= R300_VAP_OUTPUT_VTX_FMT_0__POS_PRESENT;

	if (OutputsWritten & (1 << VERT_RESULT_COL0))
	ret \|= R300_VAP_OUTPUT_VTX_FMT_0__COLOR_0_PRESENT;

	if (OutputsWritten & (1 << VERT_RESULT_COL1))
	ret \|= R300_VAP_OUTPUT_VTX_FMT_0__COLOR_1_PRESENT;

	if (OutputsWritten & (1 << VERT_RESULT_BFC0)
	\|\| OutputsWritten & (1 << VERT_RESULT_BFC1))
	ret \|=
	R300_VAP_OUTPUT_VTX_FMT_0__COLOR_1_PRESENT \|
	R300_VAP_OUTPUT_VTX_FMT_0__COLOR_2_PRESENT \|
	R300_VAP_OUTPUT_VTX_FMT_0__COLOR_3_PRESENT;

	#if 0
	if (OutputsWritten & (1 << VERT_RESULT_FOGC)) ;
	#endif

	if (OutputsWritten & (1 << VERT_RESULT_PSIZ))
	ret \|= R300_VAP_OUTPUT_VTX_FMT_0__PT_SIZE_PRESENT;

	return ret;
	}

	GLuint r300VAPOutputCntl1(GLcontext * ctx, GLuint OutputsWritten)
	{
	GLuint i, ret = 0;

	for (i = 0; i < ctx->Const.MaxTextureUnits; i++) {
	if (OutputsWritten & (1 << (VERT_RESULT_TEX0 + i))) {
	ret \|= (4 << (3 * i));
	}
	}

	return ret;
	}

	/* Emit vertex data to GART memory
	* Route inputs to the vertex processor
	* This function should never return R300_FALLBACK_TCL when using software tcl.
	*/
	int r300EmitArrays(GLcontext * ctx)
	{
	r300ContextPtr rmesa = R300_CONTEXT(ctx);
	TNLcontext *tnl = TNL_CONTEXT(ctx);
	struct vertex_buffer *vb = &tnl->vb;
	GLuint nr;
	GLuint count = vb->Count;
	GLuint i;
	GLuint InputsRead = 0, OutputsWritten = 0;
	int *inputs = NULL;
	int vir_inputs[VERT_ATTRIB_MAX];
	GLint tab[VERT_ATTRIB_MAX];
	int swizzle[VERT_ATTRIB_MAX][4];
	struct r300_vertex_program *prog =
	(struct r300_vertex_program *)CURRENT_VERTEX_SHADER(ctx);

	if (hw_tcl_on) {
	inputs = prog->inputs;
	InputsRead = prog->key.InputsRead;
	OutputsWritten = prog->key.OutputsWritten;
	} else {
	inputs = rmesa->state.sw_tcl_inputs;

	DECLARE_RENDERINPUTS(render_inputs_bitset);
	RENDERINPUTS_COPY(render_inputs_bitset, tnl->render_inputs_bitset);

	vb->AttribPtr[VERT_ATTRIB_POS] = vb->ClipPtr;

	assert(RENDERINPUTS_TEST(render_inputs_bitset, _TNL_ATTRIB_POS));
	assert(RENDERINPUTS_TEST(render_inputs_bitset, _TNL_ATTRIB_NORMAL) == 0);
	//assert(RENDERINPUTS_TEST(render_inputs_bitset, _TNL_ATTRIB_COLOR0));

	if (RENDERINPUTS_TEST(render_inputs_bitset, _TNL_ATTRIB_POS)) {
	InputsRead \|= 1 << VERT_ATTRIB_POS;
	OutputsWritten \|= 1 << VERT_RESULT_HPOS;
	}

	if (RENDERINPUTS_TEST(render_inputs_bitset, _TNL_ATTRIB_COLOR0)) {
	InputsRead \|= 1 << VERT_ATTRIB_COLOR0;
	OutputsWritten \|= 1 << VERT_RESULT_COL0;
	}

	if (RENDERINPUTS_TEST(render_inputs_bitset, _TNL_ATTRIB_COLOR1)) {
	InputsRead \|= 1 << VERT_ATTRIB_COLOR1;
	OutputsWritten \|= 1 << VERT_RESULT_COL1;
	}

	for (i = 0; i < ctx->Const.MaxTextureUnits; i++) {
	if (RENDERINPUTS_TEST(render_inputs_bitset, _TNL_ATTRIB_TEX(i))) {
	InputsRead \|= 1 << (VERT_ATTRIB_TEX0 + i);
	OutputsWritten \|= 1 << (VERT_RESULT_TEX0 + i);
	}
	}

	for (i = 0, nr = 0; i < VERT_ATTRIB_MAX; i++) {
	if (InputsRead & (1 << i)) {
	inputs[i] = nr++;
	} else {
	inputs[i] = -1;
	}
	}

	/* Fixed, apply to vir0 only */
	memcpy(vir_inputs, inputs, VERT_ATTRIB_MAX * sizeof(int));
	inputs = vir_inputs;
	if (InputsRead & VERT_ATTRIB_POS)
	inputs[VERT_ATTRIB_POS] = 0;
	if (InputsRead & (1 << VERT_ATTRIB_COLOR0))
	inputs[VERT_ATTRIB_COLOR0] = 2;
	if (InputsRead & (1 << VERT_ATTRIB_COLOR1))
	inputs[VERT_ATTRIB_COLOR1] = 3;
	for (i = VERT_ATTRIB_TEX0; i <= VERT_ATTRIB_TEX7; i++)
	if (InputsRead & (1 << i))
	inputs[i] = 6 + (i - VERT_ATTRIB_TEX0);

	RENDERINPUTS_COPY(rmesa->state.render_inputs_bitset, render_inputs_bitset);
	}

	assert(InputsRead);
	assert(OutputsWritten);

	for (i = 0, nr = 0; i < VERT_ATTRIB_MAX; i++) {
	if (InputsRead & (1 << i)) {
	tab[nr++] = i;
	}
	}

	if (nr > R300_MAX_AOS_ARRAYS) {
	return R300_FALLBACK_TCL;
	}

	for (i = 0; i < nr; i++) {
	int ci, fix, found = 0;

	swizzle[i][0] = SWIZZLE_ZERO;
	swizzle[i][1] = SWIZZLE_ZERO;
	swizzle[i][2] = SWIZZLE_ZERO;
	swizzle[i][3] = SWIZZLE_ONE;

	for (ci = 0; ci < vb->AttribPtr[tab[i]]->size; ci++) {
	swizzle[i][ci] = ci;
	}

	if (r300IsGartMemory(rmesa, vb->AttribPtr[tab[i]]->data, 4)) {
	if (vb->AttribPtr[tab[i]]->stride % 4) {
	return R300_FALLBACK_TCL;
	}
	rmesa->state.aos[i].address = (void *)(vb->AttribPtr[tab[i]]->data);
	rmesa->state.aos[i].start = 0;
	rmesa->state.aos[i].aos_offset = r300GartOffsetFromVirtual(rmesa, vb->AttribPtr[tab[i]]->data);
	rmesa->state.aos[i].aos_stride = vb->AttribPtr[tab[i]]->stride / 4;
	rmesa->state.aos[i].aos_size = vb->AttribPtr[tab[i]]->size;
	} else {
	r300EmitVec(ctx, &rmesa->state.aos[i],
	vb->AttribPtr[tab[i]]->data,
	vb->AttribPtr[tab[i]]->size,
	vb->AttribPtr[tab[i]]->stride, count);
	}

	rmesa->state.aos[i].aos_size = vb->AttribPtr[tab[i]]->size;

	for (fix = 0; fix <= 4 - vb->AttribPtr[tab[i]]->size; fix++) {
	if ((rmesa->state.aos[i].aos_offset - _mesa_sizeof_type(GL_FLOAT) * fix) % 4) {
	continue;
	}
	found = 1;
	break;
	}

	if (found) {
	if (fix > 0) {
	WARN_ONCE("Feeling lucky?\n");
	}
	rmesa->state.aos[i].aos_offset -= _mesa_sizeof_type(GL_FLOAT) * fix;
	for (ci = 0; ci < vb->AttribPtr[tab[i]]->size; ci++) {
	swizzle[i][ci] += fix;
	}
	} else {
	WARN_ONCE
	("Cannot handle offset %x with stride %d, comp %d\n",
	rmesa->state.aos[i].aos_offset,
	rmesa->state.aos[i].aos_stride,
	vb->AttribPtr[tab[i]]->size);
	return R300_FALLBACK_TCL;
	}
	}

	/* Setup INPUT_ROUTE. */
	R300_STATECHANGE(rmesa, vir[0]);
	((drm_r300_cmd_header_t *) rmesa->hw.vir[0].cmd)->packet0.count =
	r300VAPInputRoute0(&rmesa->hw.vir[0].cmd[R300_VIR_CNTL_0],
	vb->AttribPtr, inputs, tab, nr);
	R300_STATECHANGE(rmesa, vir[1]);
	((drm_r300_cmd_header_t *) rmesa->hw.vir[1].cmd)->packet0.count =
	r300VAPInputRoute1(&rmesa->hw.vir[1].cmd[R300_VIR_CNTL_0], swizzle,
	nr);

	/* Setup INPUT_CNTL. */
	R300_STATECHANGE(rmesa, vic);
	rmesa->hw.vic.cmd[R300_VIC_CNTL_0] = r300VAPInputCntl0(ctx, InputsRead);
	rmesa->hw.vic.cmd[R300_VIC_CNTL_1] = r300VAPInputCntl1(ctx, InputsRead);

	/* Setup OUTPUT_VTX_FMT. */
	R300_STATECHANGE(rmesa, vof);
	rmesa->hw.vof.cmd[R300_VOF_CNTL_0] =
	r300VAPOutputCntl0(ctx, OutputsWritten);
	rmesa->hw.vof.cmd[R300_VOF_CNTL_1] =
	r300VAPOutputCntl1(ctx, OutputsWritten);

	rmesa->state.aos_count = nr;

	return R300_FALLBACK_NONE;
	}

	#ifdef USER_BUFFERS
	void r300UseArrays(GLcontext * ctx)
	{
	r300ContextPtr rmesa = R300_CONTEXT(ctx);
	int i;

	if (rmesa->state.elt_dma.buf)
	r300_mem_use(rmesa, rmesa->state.elt_dma.buf->id);

	for (i = 0; i < rmesa->state.aos_count; i++) {
	if (rmesa->state.aos[i].buf)
	r300_mem_use(rmesa, rmesa->state.aos[i].buf->id);
	}
	}
	#endif

	void r300ReleaseArrays(GLcontext * ctx)
	{
	r300ContextPtr rmesa = R300_CONTEXT(ctx);
	int i;

	r300ReleaseDmaRegion(rmesa, &rmesa->state.elt_dma, __FUNCTION__);
	for (i = 0; i < rmesa->state.aos_count; i++) {
	r300ReleaseDmaRegion(rmesa, &rmesa->state.aos[i], __FUNCTION__);
	}
	}

	void r300EmitCacheFlush(r300ContextPtr rmesa)
	{
	int cmd_reserved = 0;
	int cmd_written = 0;

	drm_radeon_cmd_header_t *cmd = NULL;

	reg_start(R300_RB3D_DSTCACHE_CTLSTAT, 0);
	e32(R300_RB3D_DSTCACHE_CTLSTAT_DC_FREE_FREE_3D_TAGS \|
	R300_RB3D_DSTCACHE_CTLSTAT_DC_FLUSH_FLUSH_DIRTY_3D);

	reg_start(R300_ZB_ZCACHE_CTLSTAT, 0);
	e32(R300_ZB_ZCACHE_CTLSTAT_ZC_FLUSH_FLUSH_AND_FREE \|
	R300_ZB_ZCACHE_CTLSTAT_ZC_FREE_FREE);
	}