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Diffstat (limited to 'src/gallium/drivers/cell/spu/spu_vertex_shader.c')
-rw-r--r--src/gallium/drivers/cell/spu/spu_vertex_shader.c245
1 files changed, 0 insertions, 245 deletions
diff --git a/src/gallium/drivers/cell/spu/spu_vertex_shader.c b/src/gallium/drivers/cell/spu/spu_vertex_shader.c
deleted file mode 100644
index d6febd36f41..00000000000
--- a/src/gallium/drivers/cell/spu/spu_vertex_shader.c
+++ /dev/null
@@ -1,245 +0,0 @@
-/**************************************************************************
- *
- * Copyright 2007 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.
- *
- **************************************************************************/
-
- /*
- * Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
- * Brian Paul
- * Ian Romanick <idr@us.ibm.com>
- */
-
-#include <spu_mfcio.h>
-
-#include "pipe/p_state.h"
-#include "pipe/p_shader_tokens.h"
-#include "util/u_math.h"
-#include "draw/draw_private.h"
-#include "draw/draw_context.h"
-#include "cell/common.h"
-#include "spu_vertex_shader.h"
-#include "spu_exec.h"
-#include "spu_main.h"
-
-
-#define MAX_VERTEX_SIZE ((2 + PIPE_MAX_SHADER_OUTPUTS) * 4 * sizeof(float))
-
-
-#define CLIP_RIGHT_BIT 0x01
-#define CLIP_LEFT_BIT 0x02
-#define CLIP_TOP_BIT 0x04
-#define CLIP_BOTTOM_BIT 0x08
-#define CLIP_FAR_BIT 0x10
-#define CLIP_NEAR_BIT 0x20
-
-
-static INLINE float
-dot4(const float *a, const float *b)
-{
- return (a[0]*b[0] +
- a[1]*b[1] +
- a[2]*b[2] +
- a[3]*b[3]);
-}
-
-static INLINE unsigned
-compute_clipmask(const float *clip, /*const*/ float plane[][4], unsigned nr)
-{
- unsigned mask = 0;
- unsigned i;
-
- /* Do the hardwired planes first:
- */
- if (-clip[0] + clip[3] < 0) mask |= CLIP_RIGHT_BIT;
- if ( clip[0] + clip[3] < 0) mask |= CLIP_LEFT_BIT;
- if (-clip[1] + clip[3] < 0) mask |= CLIP_TOP_BIT;
- if ( clip[1] + clip[3] < 0) mask |= CLIP_BOTTOM_BIT;
- if (-clip[2] + clip[3] < 0) mask |= CLIP_FAR_BIT;
- if ( clip[2] + clip[3] < 0) mask |= CLIP_NEAR_BIT;
-
- /* Followed by any remaining ones:
- */
- for (i = 6; i < nr; i++) {
- if (dot4(clip, plane[i]) < 0)
- mask |= (1<<i);
- }
-
- return mask;
-}
-
-
-/**
- * Transform vertices with the current vertex program/shader
- * Up to four vertices can be shaded at a time.
- * \param vbuffer the input vertex data
- * \param elts indexes of four input vertices
- * \param count number of vertices to shade [1..4]
- * \param vOut array of pointers to four output vertices
- */
-static void
-run_vertex_program(struct spu_vs_context *draw,
- unsigned elts[4], unsigned count,
- const uint64_t *vOut)
-{
- struct spu_exec_machine *machine = &draw->machine;
- unsigned int j;
-
- PIPE_ALIGN_VAR(16) struct spu_exec_vector inputs[PIPE_MAX_ATTRIBS];
- PIPE_ALIGN_VAR(16) struct spu_exec_vector outputs[PIPE_MAX_ATTRIBS];
- const float *scale = draw->viewport.scale;
- const float *trans = draw->viewport.translate;
-
- ASSERT(count <= 4);
-
- machine->Processor = TGSI_PROCESSOR_VERTEX;
-
- ASSERT_ALIGN16(draw->constants);
- machine->Consts = (float (*)[4]) draw->constants;
-
- machine->Inputs = inputs;
- machine->Outputs = outputs;
-
- spu_vertex_fetch( draw, machine, elts, count );
-
- /* run shader */
- spu_exec_machine_run( machine );
-
-
- /* store machine results */
- for (j = 0; j < count; j++) {
- unsigned slot;
- float x, y, z, w;
- PIPE_ALIGN_VAR(16)
- unsigned char buffer[sizeof(struct vertex_header)
- + MAX_VERTEX_SIZE];
- struct vertex_header *const tmpOut =
- (struct vertex_header *) buffer;
- const unsigned vert_size = ROUNDUP16(sizeof(struct vertex_header)
- + (sizeof(float) * 4
- * draw->num_vs_outputs));
-
- mfc_get(tmpOut, vOut[j], vert_size, TAG_VERTEX_BUFFER, 0, 0);
- wait_on_mask(1 << TAG_VERTEX_BUFFER);
-
-
- /* Handle attr[0] (position) specially:
- *
- * XXX: Computing the clipmask should be done in the vertex
- * program as a set of DP4 instructions appended to the
- * user-provided code.
- */
- x = tmpOut->clip[0] = machine->Outputs[0].xyzw[0].f[j];
- y = tmpOut->clip[1] = machine->Outputs[0].xyzw[1].f[j];
- z = tmpOut->clip[2] = machine->Outputs[0].xyzw[2].f[j];
- w = tmpOut->clip[3] = machine->Outputs[0].xyzw[3].f[j];
-
- tmpOut->clipmask = compute_clipmask(tmpOut->clip, draw->plane,
- draw->nr_planes);
- tmpOut->edgeflag = 1;
-
- /* divide by w */
- w = 1.0f / w;
- x *= w;
- y *= w;
- z *= w;
-
- /* Viewport mapping */
- tmpOut->data[0][0] = x * scale[0] + trans[0];
- tmpOut->data[0][1] = y * scale[1] + trans[1];
- tmpOut->data[0][2] = z * scale[2] + trans[2];
- tmpOut->data[0][3] = w;
-
- /* Remaining attributes are packed into sequential post-transform
- * vertex attrib slots.
- */
- for (slot = 1; slot < draw->num_vs_outputs; slot++) {
- tmpOut->data[slot][0] = machine->Outputs[slot].xyzw[0].f[j];
- tmpOut->data[slot][1] = machine->Outputs[slot].xyzw[1].f[j];
- tmpOut->data[slot][2] = machine->Outputs[slot].xyzw[2].f[j];
- tmpOut->data[slot][3] = machine->Outputs[slot].xyzw[3].f[j];
- }
-
- mfc_put(tmpOut, vOut[j], vert_size, TAG_VERTEX_BUFFER, 0, 0);
- } /* loop over vertices */
-}
-
-
-PIPE_ALIGN_VAR(16) unsigned char
-immediates[(sizeof(float) * 4 * TGSI_EXEC_NUM_IMMEDIATES) + 32];
-
-
-void
-spu_bind_vertex_shader(struct spu_vs_context *draw,
- struct cell_shader_info *vs)
-{
- const unsigned immediate_addr = vs->immediates;
- const unsigned immediate_size =
- ROUNDUP16((sizeof(float) * 4 * vs->num_immediates)
- + (immediate_addr & 0x0f));
-
-
- mfc_get(immediates, immediate_addr & ~0x0f, immediate_size,
- TAG_VERTEX_BUFFER, 0, 0);
-
- draw->machine.Instructions = (struct tgsi_full_instruction *)
- vs->instructions;
- draw->machine.NumInstructions = vs->num_instructions;
-
- draw->machine.Declarations = (struct tgsi_full_declaration *)
- vs->declarations;
- draw->machine.NumDeclarations = vs->num_declarations;
-
- draw->num_vs_outputs = vs->num_outputs;
-
- /* specify the shader to interpret/execute */
- spu_exec_machine_init(&draw->machine,
- PIPE_MAX_SAMPLERS,
- NULL /*samplers*/,
- PIPE_SHADER_VERTEX);
-
- wait_on_mask(1 << TAG_VERTEX_BUFFER);
-
- (void) memcpy(& draw->machine.Imms, &immediates[immediate_addr & 0x0f],
- sizeof(float) * 4 * vs->num_immediates);
-}
-
-
-void
-spu_execute_vertex_shader(struct spu_vs_context *draw,
- const struct cell_command_vs *vs)
-{
- unsigned i;
-
- (void) memcpy(draw->plane, vs->plane, sizeof(float) * 4 * vs->nr_planes);
- draw->nr_planes = vs->nr_planes;
- draw->vertex_fetch.nr_attrs = vs->nr_attrs;
-
- for (i = 0; i < vs->num_elts; i += 4) {
- const unsigned batch_size = MIN2(vs->num_elts - i, 4);
-
- run_vertex_program(draw, & vs->elts[i], batch_size, &vs->vOut[i]);
- }
-}