+++ /dev/null
-/**************************************************************************
- *
- * 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>
- */
-
-#include "pipe/p_util.h"
-#include "pipe/p_shader_tokens.h"
-#include "draw_vs.h"
-#include "draw_context.h"
-
-
-#define DRAW_DBG 0
-
-
-/**
- * Fetch a float[4] vertex attribute from memory, doing format/type
- * conversion as needed.
- *
- * This is probably needed/dupliocated elsewhere, eg format
- * conversion, texture sampling etc.
- */
-#define FETCH_ATTRIB( NAME, SZ, CVT ) \
-static void \
-fetch_##NAME(const void *ptr, float *attrib) \
-{ \
- static const float defaults[4] = { 0,0,0,1 }; \
- int i; \
- \
- for (i = 0; i < SZ; i++) { \
- attrib[i] = CVT(i); \
- } \
- \
- for (; i < 4; i++) { \
- attrib[i] = defaults[i]; \
- } \
-}
-
-#define CVT_64_FLOAT(i) (float) ((double *) ptr)[i]
-#define CVT_32_FLOAT(i) ((float *) ptr)[i]
-
-#define CVT_8_USCALED(i) (float) ((unsigned char *) ptr)[i]
-#define CVT_16_USCALED(i) (float) ((unsigned short *) ptr)[i]
-#define CVT_32_USCALED(i) (float) ((unsigned int *) ptr)[i]
-
-#define CVT_8_SSCALED(i) (float) ((char *) ptr)[i]
-#define CVT_16_SSCALED(i) (float) ((short *) ptr)[i]
-#define CVT_32_SSCALED(i) (float) ((int *) ptr)[i]
-
-#define CVT_8_UNORM(i) (float) ((unsigned char *) ptr)[i] / 255.0f
-#define CVT_16_UNORM(i) (float) ((unsigned short *) ptr)[i] / 65535.0f
-#define CVT_32_UNORM(i) (float) ((unsigned int *) ptr)[i] / 4294967295.0f
-
-#define CVT_8_SNORM(i) (float) ((char *) ptr)[i] / 127.0f
-#define CVT_16_SNORM(i) (float) ((short *) ptr)[i] / 32767.0f
-#define CVT_32_SNORM(i) (float) ((int *) ptr)[i] / 2147483647.0f
-
-FETCH_ATTRIB( R64G64B64A64_FLOAT, 4, CVT_64_FLOAT )
-FETCH_ATTRIB( R64G64B64_FLOAT, 3, CVT_64_FLOAT )
-FETCH_ATTRIB( R64G64_FLOAT, 2, CVT_64_FLOAT )
-FETCH_ATTRIB( R64_FLOAT, 1, CVT_64_FLOAT )
-
-FETCH_ATTRIB( R32G32B32A32_FLOAT, 4, CVT_32_FLOAT )
-FETCH_ATTRIB( R32G32B32_FLOAT, 3, CVT_32_FLOAT )
-FETCH_ATTRIB( R32G32_FLOAT, 2, CVT_32_FLOAT )
-FETCH_ATTRIB( R32_FLOAT, 1, CVT_32_FLOAT )
-
-FETCH_ATTRIB( R32G32B32A32_USCALED, 4, CVT_32_USCALED )
-FETCH_ATTRIB( R32G32B32_USCALED, 3, CVT_32_USCALED )
-FETCH_ATTRIB( R32G32_USCALED, 2, CVT_32_USCALED )
-FETCH_ATTRIB( R32_USCALED, 1, CVT_32_USCALED )
-
-FETCH_ATTRIB( R32G32B32A32_SSCALED, 4, CVT_32_SSCALED )
-FETCH_ATTRIB( R32G32B32_SSCALED, 3, CVT_32_SSCALED )
-FETCH_ATTRIB( R32G32_SSCALED, 2, CVT_32_SSCALED )
-FETCH_ATTRIB( R32_SSCALED, 1, CVT_32_SSCALED )
-
-FETCH_ATTRIB( R32G32B32A32_UNORM, 4, CVT_32_UNORM )
-FETCH_ATTRIB( R32G32B32_UNORM, 3, CVT_32_UNORM )
-FETCH_ATTRIB( R32G32_UNORM, 2, CVT_32_UNORM )
-FETCH_ATTRIB( R32_UNORM, 1, CVT_32_UNORM )
-
-FETCH_ATTRIB( R32G32B32A32_SNORM, 4, CVT_32_SNORM )
-FETCH_ATTRIB( R32G32B32_SNORM, 3, CVT_32_SNORM )
-FETCH_ATTRIB( R32G32_SNORM, 2, CVT_32_SNORM )
-FETCH_ATTRIB( R32_SNORM, 1, CVT_32_SNORM )
-
-FETCH_ATTRIB( R16G16B16A16_USCALED, 4, CVT_16_USCALED )
-FETCH_ATTRIB( R16G16B16_USCALED, 3, CVT_16_USCALED )
-FETCH_ATTRIB( R16G16_USCALED, 2, CVT_16_USCALED )
-FETCH_ATTRIB( R16_USCALED, 1, CVT_16_USCALED )
-
-FETCH_ATTRIB( R16G16B16A16_SSCALED, 4, CVT_16_SSCALED )
-FETCH_ATTRIB( R16G16B16_SSCALED, 3, CVT_16_SSCALED )
-FETCH_ATTRIB( R16G16_SSCALED, 2, CVT_16_SSCALED )
-FETCH_ATTRIB( R16_SSCALED, 1, CVT_16_SSCALED )
-
-FETCH_ATTRIB( R16G16B16A16_UNORM, 4, CVT_16_UNORM )
-FETCH_ATTRIB( R16G16B16_UNORM, 3, CVT_16_UNORM )
-FETCH_ATTRIB( R16G16_UNORM, 2, CVT_16_UNORM )
-FETCH_ATTRIB( R16_UNORM, 1, CVT_16_UNORM )
-
-FETCH_ATTRIB( R16G16B16A16_SNORM, 4, CVT_16_SNORM )
-FETCH_ATTRIB( R16G16B16_SNORM, 3, CVT_16_SNORM )
-FETCH_ATTRIB( R16G16_SNORM, 2, CVT_16_SNORM )
-FETCH_ATTRIB( R16_SNORM, 1, CVT_16_SNORM )
-
-FETCH_ATTRIB( R8G8B8A8_USCALED, 4, CVT_8_USCALED )
-FETCH_ATTRIB( R8G8B8_USCALED, 3, CVT_8_USCALED )
-FETCH_ATTRIB( R8G8_USCALED, 2, CVT_8_USCALED )
-FETCH_ATTRIB( R8_USCALED, 1, CVT_8_USCALED )
-
-FETCH_ATTRIB( R8G8B8A8_SSCALED, 4, CVT_8_SSCALED )
-FETCH_ATTRIB( R8G8B8_SSCALED, 3, CVT_8_SSCALED )
-FETCH_ATTRIB( R8G8_SSCALED, 2, CVT_8_SSCALED )
-FETCH_ATTRIB( R8_SSCALED, 1, CVT_8_SSCALED )
-
-FETCH_ATTRIB( R8G8B8A8_UNORM, 4, CVT_8_UNORM )
-FETCH_ATTRIB( R8G8B8_UNORM, 3, CVT_8_UNORM )
-FETCH_ATTRIB( R8G8_UNORM, 2, CVT_8_UNORM )
-FETCH_ATTRIB( R8_UNORM, 1, CVT_8_UNORM )
-
-FETCH_ATTRIB( R8G8B8A8_SNORM, 4, CVT_8_SNORM )
-FETCH_ATTRIB( R8G8B8_SNORM, 3, CVT_8_SNORM )
-FETCH_ATTRIB( R8G8_SNORM, 2, CVT_8_SNORM )
-FETCH_ATTRIB( R8_SNORM, 1, CVT_8_SNORM )
-
-FETCH_ATTRIB( A8R8G8B8_UNORM, 4, CVT_8_UNORM )
-//FETCH_ATTRIB( R8G8B8A8_UNORM, 4, CVT_8_UNORM )
-
-
-
-static void
-fetch_B8G8R8A8_UNORM(const void *ptr, float *attrib)
-{
- attrib[2] = CVT_8_UNORM(0);
- attrib[1] = CVT_8_UNORM(1);
- attrib[0] = CVT_8_UNORM(2);
- attrib[3] = CVT_8_UNORM(3);
-}
-
-
-fetch_func draw_get_fetch_func( enum pipe_format format )
-{
-#if 0
- {
- char tmp[80];
- pf_sprint_name(tmp, format);
- debug_printf("%s: %s\n", __FUNCTION__, tmp);
- }
-#endif
-
- switch (format) {
- case PIPE_FORMAT_R64_FLOAT:
- return fetch_R64_FLOAT;
- case PIPE_FORMAT_R64G64_FLOAT:
- return fetch_R64G64_FLOAT;
- case PIPE_FORMAT_R64G64B64_FLOAT:
- return fetch_R64G64B64_FLOAT;
- case PIPE_FORMAT_R64G64B64A64_FLOAT:
- return fetch_R64G64B64A64_FLOAT;
-
- case PIPE_FORMAT_R32_FLOAT:
- return fetch_R32_FLOAT;
- case PIPE_FORMAT_R32G32_FLOAT:
- return fetch_R32G32_FLOAT;
- case PIPE_FORMAT_R32G32B32_FLOAT:
- return fetch_R32G32B32_FLOAT;
- case PIPE_FORMAT_R32G32B32A32_FLOAT:
- return fetch_R32G32B32A32_FLOAT;
-
- case PIPE_FORMAT_R32_UNORM:
- return fetch_R32_UNORM;
- case PIPE_FORMAT_R32G32_UNORM:
- return fetch_R32G32_UNORM;
- case PIPE_FORMAT_R32G32B32_UNORM:
- return fetch_R32G32B32_UNORM;
- case PIPE_FORMAT_R32G32B32A32_UNORM:
- return fetch_R32G32B32A32_UNORM;
-
- case PIPE_FORMAT_R32_USCALED:
- return fetch_R32_USCALED;
- case PIPE_FORMAT_R32G32_USCALED:
- return fetch_R32G32_USCALED;
- case PIPE_FORMAT_R32G32B32_USCALED:
- return fetch_R32G32B32_USCALED;
- case PIPE_FORMAT_R32G32B32A32_USCALED:
- return fetch_R32G32B32A32_USCALED;
-
- case PIPE_FORMAT_R32_SNORM:
- return fetch_R32_SNORM;
- case PIPE_FORMAT_R32G32_SNORM:
- return fetch_R32G32_SNORM;
- case PIPE_FORMAT_R32G32B32_SNORM:
- return fetch_R32G32B32_SNORM;
- case PIPE_FORMAT_R32G32B32A32_SNORM:
- return fetch_R32G32B32A32_SNORM;
-
- case PIPE_FORMAT_R32_SSCALED:
- return fetch_R32_SSCALED;
- case PIPE_FORMAT_R32G32_SSCALED:
- return fetch_R32G32_SSCALED;
- case PIPE_FORMAT_R32G32B32_SSCALED:
- return fetch_R32G32B32_SSCALED;
- case PIPE_FORMAT_R32G32B32A32_SSCALED:
- return fetch_R32G32B32A32_SSCALED;
-
- case PIPE_FORMAT_R16_UNORM:
- return fetch_R16_UNORM;
- case PIPE_FORMAT_R16G16_UNORM:
- return fetch_R16G16_UNORM;
- case PIPE_FORMAT_R16G16B16_UNORM:
- return fetch_R16G16B16_UNORM;
- case PIPE_FORMAT_R16G16B16A16_UNORM:
- return fetch_R16G16B16A16_UNORM;
-
- case PIPE_FORMAT_R16_USCALED:
- return fetch_R16_USCALED;
- case PIPE_FORMAT_R16G16_USCALED:
- return fetch_R16G16_USCALED;
- case PIPE_FORMAT_R16G16B16_USCALED:
- return fetch_R16G16B16_USCALED;
- case PIPE_FORMAT_R16G16B16A16_USCALED:
- return fetch_R16G16B16A16_USCALED;
-
- case PIPE_FORMAT_R16_SNORM:
- return fetch_R16_SNORM;
- case PIPE_FORMAT_R16G16_SNORM:
- return fetch_R16G16_SNORM;
- case PIPE_FORMAT_R16G16B16_SNORM:
- return fetch_R16G16B16_SNORM;
- case PIPE_FORMAT_R16G16B16A16_SNORM:
- return fetch_R16G16B16A16_SNORM;
-
- case PIPE_FORMAT_R16_SSCALED:
- return fetch_R16_SSCALED;
- case PIPE_FORMAT_R16G16_SSCALED:
- return fetch_R16G16_SSCALED;
- case PIPE_FORMAT_R16G16B16_SSCALED:
- return fetch_R16G16B16_SSCALED;
- case PIPE_FORMAT_R16G16B16A16_SSCALED:
- return fetch_R16G16B16A16_SSCALED;
-
- case PIPE_FORMAT_R8_UNORM:
- return fetch_R8_UNORM;
- case PIPE_FORMAT_R8G8_UNORM:
- return fetch_R8G8_UNORM;
- case PIPE_FORMAT_R8G8B8_UNORM:
- return fetch_R8G8B8_UNORM;
- case PIPE_FORMAT_R8G8B8A8_UNORM:
- return fetch_R8G8B8A8_UNORM;
-
- case PIPE_FORMAT_R8_USCALED:
- return fetch_R8_USCALED;
- case PIPE_FORMAT_R8G8_USCALED:
- return fetch_R8G8_USCALED;
- case PIPE_FORMAT_R8G8B8_USCALED:
- return fetch_R8G8B8_USCALED;
- case PIPE_FORMAT_R8G8B8A8_USCALED:
- return fetch_R8G8B8A8_USCALED;
-
- case PIPE_FORMAT_R8_SNORM:
- return fetch_R8_SNORM;
- case PIPE_FORMAT_R8G8_SNORM:
- return fetch_R8G8_SNORM;
- case PIPE_FORMAT_R8G8B8_SNORM:
- return fetch_R8G8B8_SNORM;
- case PIPE_FORMAT_R8G8B8A8_SNORM:
- return fetch_R8G8B8A8_SNORM;
-
- case PIPE_FORMAT_R8_SSCALED:
- return fetch_R8_SSCALED;
- case PIPE_FORMAT_R8G8_SSCALED:
- return fetch_R8G8_SSCALED;
- case PIPE_FORMAT_R8G8B8_SSCALED:
- return fetch_R8G8B8_SSCALED;
- case PIPE_FORMAT_R8G8B8A8_SSCALED:
- return fetch_R8G8B8A8_SSCALED;
-
- case PIPE_FORMAT_A8R8G8B8_UNORM:
- return fetch_A8R8G8B8_UNORM;
-
-
- case PIPE_FORMAT_B8G8R8A8_UNORM:
- return fetch_B8G8R8A8_UNORM;
-
- case 0:
- return NULL; /* not sure why this is needed */
-
- default:
- /* This can get hit because draw-state-validation is too eager,
- and can jump in here validating stuff before the state tracker has set
- up everything.
- */
- /* assert(0); */
- return NULL;
- }
-}
-
-
-static void
-transpose_4x4( float *out, const float *in )
-{
- /* This can be achieved in 12 sse instructions, plus the final
- * stores I guess. This is probably a bit more than that - maybe
- * 32 or so?
- */
- out[0] = in[0]; out[1] = in[4]; out[2] = in[8]; out[3] = in[12];
- out[4] = in[1]; out[5] = in[5]; out[6] = in[9]; out[7] = in[13];
- out[8] = in[2]; out[9] = in[6]; out[10] = in[10]; out[11] = in[14];
- out[12] = in[3]; out[13] = in[7]; out[14] = in[11]; out[15] = in[15];
-}
-
-
-
-static void fetch_xyz_rgb( struct draw_context *draw,
- struct tgsi_exec_machine *machine,
- const unsigned *elts,
- unsigned count )
-{
- const unsigned *pitch = draw->vertex_fetch.pitch;
- const ubyte **src = draw->vertex_fetch.src_ptr;
- int i;
-
- assert(count <= 4);
-
-// debug_printf("%s\n", __FUNCTION__);
-
- /* loop over vertex attributes (vertex shader inputs)
- */
-
- for (i = 0; i < 4; i++) {
- {
- const float *in = (const float *)(src[0] + elts[i] * pitch[0]);
- float *out = &machine->Inputs[0].xyzw[0].f[i];
- out[0] = in[0];
- out[4] = in[1];
- out[8] = in[2];
- out[12] = 1.0f;
- }
-
- {
- const float *in = (const float *)(src[1] + elts[i] * pitch[1]);
- float *out = &machine->Inputs[1].xyzw[0].f[i];
- out[0] = in[0];
- out[4] = in[1];
- out[8] = in[2];
- out[12] = 1.0f;
- }
- }
-}
-
-
-
-
-static void fetch_xyz_rgb_st( struct draw_context *draw,
- struct tgsi_exec_machine *machine,
- const unsigned *elts,
- unsigned count )
-{
- const unsigned *pitch = draw->vertex_fetch.pitch;
- const ubyte **src = draw->vertex_fetch.src_ptr;
- int i;
-
- assert(count <= 4);
-
- /* loop over vertex attributes (vertex shader inputs)
- */
-
- for (i = 0; i < 4; i++) {
- {
- const float *in = (const float *)(src[0] + elts[i] * pitch[0]);
- float *out = &machine->Inputs[0].xyzw[0].f[i];
- out[0] = in[0];
- out[4] = in[1];
- out[8] = in[2];
- out[12] = 1.0f;
- }
-
- {
- const float *in = (const float *)(src[1] + elts[i] * pitch[1]);
- float *out = &machine->Inputs[1].xyzw[0].f[i];
- out[0] = in[0];
- out[4] = in[1];
- out[8] = in[2];
- out[12] = 1.0f;
- }
-
- {
- const float *in = (const float *)(src[2] + elts[i] * pitch[2]);
- float *out = &machine->Inputs[2].xyzw[0].f[i];
- out[0] = in[0];
- out[4] = in[1];
- out[8] = 0.0f;
- out[12] = 1.0f;
- }
- }
-}
-
-
-
-
-/**
- * Fetch vertex attributes for 'count' vertices.
- */
-static void generic_vertex_fetch( struct draw_context *draw,
- struct tgsi_exec_machine *machine,
- const unsigned *elts,
- unsigned count )
-{
- unsigned nr_attrs = draw->vertex_fetch.nr_attrs;
- unsigned attr;
-
- assert(count <= 4);
-
-// debug_printf("%s %d\n", __FUNCTION__, count);
-
- /* loop over vertex attributes (vertex shader inputs)
- */
- for (attr = 0; attr < nr_attrs; attr++) {
-
- const unsigned pitch = draw->vertex_fetch.pitch[attr];
- const ubyte *src = draw->vertex_fetch.src_ptr[attr];
- const fetch_func fetch = draw->vertex_fetch.fetch[attr];
- unsigned i;
- float p[4][4];
-
-
- /* Fetch four attributes for four vertices.
- *
- * Could fetch directly into AOS format, but this is meant to be
- * a prototype for an sse implementation, which would have
- * difficulties doing that.
- */
- for (i = 0; i < count; i++)
- fetch( src + elts[i] * pitch, p[i] );
-
- /* Be nice and zero out any missing vertices:
- */
- for ( ; i < 4; i++)
- p[i][0] = p[i][1] = p[i][2] = p[i][3] = 0;
-
- /* Transpose/swizzle into sse-friendly format. Currently
- * assuming that all vertex shader inputs are float[4], but this
- * isn't true -- if the vertex shader only wants tex0.xy, we
- * could optimize for that.
- *
- * To do so fully without codegen would probably require an
- * excessive number of fetch functions, but we could at least
- * minimize the transpose step:
- */
- transpose_4x4( (float *)&machine->Inputs[attr].xyzw[0].f[0], (float *)p );
- }
-}
-
-
-
-void draw_update_vertex_fetch( struct draw_context *draw )
-{
- unsigned nr_attrs, i;
-
-// debug_printf("%s\n", __FUNCTION__);
-
- /* this may happend during context init */
- if (!draw->vertex_shader)
- return;
-
- nr_attrs = draw->vertex_shader->info.num_inputs;
-
- for (i = 0; i < nr_attrs; i++) {
- unsigned buf = draw->vertex_element[i].vertex_buffer_index;
- enum pipe_format format = draw->vertex_element[i].src_format;
-
- draw->vertex_fetch.src_ptr[i] = (const ubyte *) draw->user.vbuffer[buf] +
- draw->vertex_buffer[buf].buffer_offset +
- draw->vertex_element[i].src_offset;
-
- draw->vertex_fetch.pitch[i] = draw->vertex_buffer[buf].pitch;
- draw->vertex_fetch.fetch[i] = draw_get_fetch_func( format );
- }
-
- draw->vertex_fetch.nr_attrs = nr_attrs;
-
- draw->vertex_fetch.fetch_func = generic_vertex_fetch;
-
- switch (nr_attrs) {
- case 2:
- if (draw->vertex_element[0].src_format == PIPE_FORMAT_R32G32B32_FLOAT &&
- draw->vertex_element[1].src_format == PIPE_FORMAT_R32G32B32_FLOAT)
- draw->vertex_fetch.fetch_func = fetch_xyz_rgb;
- break;
- case 3:
- if (draw->vertex_element[0].src_format == PIPE_FORMAT_R32G32B32_FLOAT &&
- draw->vertex_element[1].src_format == PIPE_FORMAT_R32G32B32_FLOAT &&
- draw->vertex_element[2].src_format == PIPE_FORMAT_R32G32_FLOAT)
- draw->vertex_fetch.fetch_func = fetch_xyz_rgb_st;
- break;
- default:
- break;
- }
-
-}
projects / mesa.git / commitdiff