draw_pt_emit.c \
draw_pt_fetch.c \
draw_pt_fetch_emit.c \
- draw_pt_middle_fse.c \
+ draw_pt_fetch_shade_emit.c \
draw_pt_fetch_shade_pipeline.c \
draw_pt_post_vs.c \
draw_pt_util.c \
draw_pt_vcache.c \
draw_vertex.c \
draw_vs.c \
+ draw_vs_varient.c \
draw_vs_exec.c \
draw_vs_llvm.c \
draw_vs_sse.c
struct gallivm_cpu_engine *engine;
+ struct translate *fetch;
struct translate_cache *fetch_cache;
+ struct translate *emit;
struct translate_cache *emit_cache;
} vs;
--- /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 "draw/draw_context.h"
+#include "draw/draw_private.h"
+#include "draw/draw_vbuf.h"
+#include "draw/draw_vertex.h"
+#include "draw/draw_pt.h"
+#include "draw/draw_vs.h"
+
+#include "translate/translate.h"
+
+struct fetch_shade_emit;
+
+
+/* Prototype fetch, shade, emit-hw-verts all in one go.
+ */
+struct fetch_shade_emit {
+ struct draw_pt_middle_end base;
+ struct draw_context *draw;
+
+
+ /* Temporaries:
+ */
+ const float *constants;
+ unsigned pitch[PIPE_MAX_ATTRIBS];
+ const ubyte *src[PIPE_MAX_ATTRIBS];
+ unsigned prim;
+
+ struct draw_vs_varient_key key;
+ struct draw_vs_varient *active;
+};
+
+
+
+
+static void fse_prepare( struct draw_pt_middle_end *middle,
+ unsigned prim,
+ unsigned opt )
+{
+ struct fetch_shade_emit *fse = (struct fetch_shade_emit *)middle;
+ struct draw_context *draw = fse->draw;
+ unsigned num_vs_inputs = draw->vs.vertex_shader->info.num_inputs;
+ unsigned num_vs_outputs = draw->vs.vertex_shader->info.num_outputs;
+ const struct vertex_info *vinfo;
+ unsigned i;
+ boolean need_psize = 0;
+
+
+ if (draw->pt.user.elts) {
+ assert(0);
+ return ;
+ }
+
+ if (!draw->render->set_primitive( draw->render,
+ prim )) {
+ assert(0);
+ return;
+ }
+
+ /* Must do this after set_primitive() above:
+ */
+ vinfo = draw->render->get_vertex_info(draw->render);
+
+
+
+ fse->key.nr_elements = MAX2(num_vs_outputs, /* outputs - translate to hw format */
+ num_vs_inputs); /* inputs - fetch from api format */
+
+ fse->key.output_stride = vinfo->size * 4;
+ memset(fse->key.element, 0,
+ fse->key.nr_elements * sizeof(fse->key.element[0]));
+
+ for (i = 0; i < num_vs_inputs; i++) {
+ const struct pipe_vertex_element *src = &draw->pt.vertex_element[i];
+ fse->key.element[i].in.format = src->src_format;
+
+ /* Consider ignoring these, ie make generated programs
+ * independent of this state:
+ */
+ fse->key.element[i].in.buffer = src->vertex_buffer_index;
+ fse->key.element[i].in.offset = src->src_offset;
+ }
+
+
+ {
+ unsigned dst_offset = 0;
+
+ for (i = 0; i < vinfo->num_attribs; i++) {
+ unsigned emit_sz = 0;
+ unsigned output_format = PIPE_FORMAT_NONE;
+ unsigned vs_output = vinfo->src_index[i];
+
+ switch (vinfo->emit[i]) {
+ case EMIT_4F:
+ output_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
+ emit_sz = 4 * sizeof(float);
+ break;
+ case EMIT_3F:
+ output_format = PIPE_FORMAT_R32G32B32_FLOAT;
+ emit_sz = 3 * sizeof(float);
+ break;
+ case EMIT_2F:
+ output_format = PIPE_FORMAT_R32G32_FLOAT;
+ emit_sz = 2 * sizeof(float);
+ break;
+ case EMIT_1F:
+ output_format = PIPE_FORMAT_R32_FLOAT;
+ emit_sz = 1 * sizeof(float);
+ break;
+ case EMIT_1F_PSIZE:
+ need_psize = 1;
+ output_format = PIPE_FORMAT_R32_FLOAT;
+ emit_sz = 1 * sizeof(float);
+ vs_output = num_vs_outputs + 1;
+
+ break;
+ default:
+ assert(0);
+ break;
+ }
+
+ /* The elements in the key correspond to vertex shader output
+ * numbers, not to positions in the hw vertex description --
+ * that's handled by the output_offset field.
+ */
+ fse->key.element[vs_output].out.format = output_format;
+ fse->key.element[vs_output].out.offset = dst_offset;
+
+ dst_offset += emit_sz;
+ assert(fse->key.output_stride >= dst_offset);
+ }
+ }
+
+ /* To make psize work, really need to tell the vertex shader to
+ * copy that value from input->output. For 'translate' this was
+ * implicit for all elements.
+ */
+#if 0
+ if (need_psize) {
+ unsigned input = num_vs_inputs + 1;
+ const struct pipe_vertex_element *src = &draw->pt.vertex_element[i];
+ fse->key.element[i].input_format = PIPE_FORMAT_R32_FLOAT;
+ fse->key.element[i].input_buffer = 0; //nr_buffers + 1;
+ fse->key.element[i].input_offset = 0;
+
+ fse->key.nr_elements += 1;
+
+ }
+#endif
+
+ /* Would normally look up a vertex shader and peruse its list of
+ * varients somehow. We omitted that step and put all the
+ * hardcoded "shaders" into an array. We're just making the
+ * assumption that this happens to be a matching shader... ie
+ * you're running isosurf, aren't you?
+ */
+ fse->active = draw_vs_lookup_varient( draw->vs.vertex_shader,
+ &fse->key );
+
+ if (!fse->active) {
+ assert(0);
+ return ;
+ }
+
+ /* Now set buffer pointers:
+ */
+ for (i = 0; i < num_vs_inputs; i++) {
+ unsigned buf = draw->pt.vertex_element[i].vertex_buffer_index;
+
+ fse->active->set_input( fse->active,
+ i,
+
+ ((const ubyte *) draw->pt.user.vbuffer[buf] +
+ draw->pt.vertex_buffer[buf].buffer_offset),
+
+ draw->pt.vertex_buffer[buf].pitch );
+ }
+
+ fse->active->set_constants( fse->active,
+ (const float (*)[4])draw->pt.user.constants );
+
+ //return TRUE;
+}
+
+
+
+
+
+
+
+static void fse_run_linear( struct draw_pt_middle_end *middle,
+ unsigned start,
+ unsigned count )
+{
+ struct fetch_shade_emit *fse = (struct fetch_shade_emit *)middle;
+ struct draw_context *draw = fse->draw;
+ unsigned alloc_count = align(count, 4);
+ char *hw_verts;
+
+ /* XXX: need to flush to get prim_vbuf.c to release its allocation??
+ */
+ draw_do_flush( draw, DRAW_FLUSH_BACKEND );
+
+ hw_verts = draw->render->allocate_vertices( draw->render,
+ (ushort)fse->key.output_stride,
+ (ushort)alloc_count );
+
+ if (!hw_verts) {
+ assert(0);
+ return;
+ }
+
+ /* Single routine to fetch vertices, run shader and emit HW verts.
+ * Clipping and viewport transformation are done elsewhere --
+ * either by the API or on hardware, or for some other reason not
+ * required...
+ */
+ fse->active->run_linear( fse->active,
+ start, count,
+ hw_verts );
+
+ /* Draw arrays path to avoid re-emitting index list again and
+ * again.
+ */
+ draw->render->draw_arrays( draw->render,
+ 0,
+ count );
+
+
+ draw->render->release_vertices( draw->render,
+ hw_verts,
+ fse->key.output_stride,
+ count );
+}
+
+
+static void
+fse_run(struct draw_pt_middle_end *middle,
+ const unsigned *fetch_elts,
+ unsigned fetch_count,
+ const ushort *draw_elts,
+ unsigned draw_count )
+{
+ struct fetch_shade_emit *fse = (struct fetch_shade_emit *)middle;
+ struct draw_context *draw = fse->draw;
+ unsigned alloc_count = align(fetch_count, 4);
+ void *hw_verts;
+
+ /* XXX: need to flush to get prim_vbuf.c to release its allocation??
+ */
+ draw_do_flush( draw, DRAW_FLUSH_BACKEND );
+
+ hw_verts = draw->render->allocate_vertices( draw->render,
+ (ushort)fse->key.output_stride,
+ (ushort)alloc_count );
+ if (!hw_verts) {
+ assert(0);
+ return;
+ }
+
+
+ /* Single routine to fetch vertices, run shader and emit HW verts.
+ */
+ fse->active->run_elts( fse->active,
+ fetch_elts,
+ fetch_count,
+ hw_verts );
+
+ draw->render->draw( draw->render,
+ draw_elts,
+ draw_count );
+
+ draw->render->release_vertices( draw->render,
+ hw_verts,
+ fse->key.output_stride,
+ fetch_count );
+
+}
+
+
+static void fse_finish( struct draw_pt_middle_end *middle )
+{
+}
+
+
+static void
+fse_destroy( struct draw_pt_middle_end *middle )
+{
+ FREE(middle);
+}
+
+struct draw_pt_middle_end *draw_pt_middle_fse( struct draw_context *draw )
+{
+ struct fetch_shade_emit *fse = CALLOC_STRUCT(fetch_shade_emit);
+ if (!fse)
+ return NULL;
+
+ fse->base.prepare = fse_prepare;
+ fse->base.run = fse_run;
+ fse->base.run_linear = fse_run_linear;
+ fse->base.finish = fse_finish;
+ fse->base.destroy = fse_destroy;
+ fse->draw = draw;
+
+ return &fse->base;
+}
#include "draw_private.h"
#include "draw_context.h"
#include "draw_vs.h"
+#include "translate/translate.h"
+#include "translate/translate_cache.h"
draw_vs_init( struct draw_context *draw )
{
tgsi_exec_machine_init(&draw->vs.machine);
+
/* FIXME: give this machine thing a proper constructor:
*/
draw->vs.machine.Inputs = align_malloc(PIPE_MAX_ATTRIBS * sizeof(struct tgsi_exec_vector), 16);
- draw->vs.machine.Outputs = align_malloc(PIPE_MAX_ATTRIBS * sizeof(struct tgsi_exec_vector), 16);
+ if (!draw->vs.machine.Inputs)
+ return FALSE;
+ draw->vs.machine.Outputs = align_malloc(PIPE_MAX_ATTRIBS * sizeof(struct tgsi_exec_vector), 16);
+ if (!draw->vs.machine.Outputs)
+ return FALSE;
+
+ draw->vs.emit_cache = translate_cache_create();
+ if (!draw->vs.emit_cache)
+ return FALSE;
+
+ draw->vs.fetch_cache = translate_cache_create();
+ if (!draw->vs.fetch_cache)
+ return FALSE;
+
return TRUE;
}
if (draw->vs.machine.Outputs)
align_free(draw->vs.machine.Outputs);
+ if (draw->vs.fetch_cache)
+ translate_cache_destroy(draw->vs.fetch_cache);
+
+ if (draw->vs.emit_cache)
+ translate_cache_destroy(draw->vs.emit_cache);
+
tgsi_exec_machine_free_data(&draw->vs.machine);
}
+
+
+struct draw_vs_varient *
+draw_vs_lookup_varient( struct draw_vertex_shader *vs,
+ const struct draw_vs_varient_key *key )
+{
+ struct draw_vs_varient *varient;
+ unsigned i;
+
+ /* Lookup existing varient:
+ */
+ for (i = 0; i < vs->nr_varients; i++)
+ if (draw_vs_varient_key_compare(key, &vs->varient[i]->key) == 0)
+ return vs->varient[i];
+
+ /* Else have to create a new one:
+ */
+ varient = vs->create_varient( vs, key );
+ if (varient == NULL)
+ return NULL;
+
+ /* Add it to our list:
+ */
+ assert(vs->nr_varients < Elements(vs->varient));
+ vs->varient[vs->nr_varients++] = varient;
+
+ /* Done
+ */
+ return varient;
+}
+
+
+struct translate *
+draw_vs_get_fetch( struct draw_context *draw,
+ struct translate_key *key )
+{
+ if (!draw->vs.fetch ||
+ translate_key_compare(&draw->vs.fetch->key, key) != 0)
+ {
+ translate_key_sanitize(key);
+ draw->vs.fetch = translate_cache_find(draw->vs.fetch_cache, key);
+ }
+
+ return draw->vs.fetch;
+}
+
+struct translate *
+draw_vs_get_emit( struct draw_context *draw,
+ struct translate_key *key )
+{
+ if (!draw->vs.emit ||
+ translate_key_compare(&draw->vs.emit->key, key) != 0)
+ {
+ translate_key_sanitize(key);
+ draw->vs.emit = translate_cache_find(draw->vs.emit_cache, key);
+ }
+
+ return draw->vs.emit;
+}
struct draw_context;
struct pipe_shader_state;
+struct draw_vs_input
+{
+ enum pipe_format format;
+ unsigned buffer;
+ unsigned offset;
+};
+
+struct draw_vs_output
+{
+ enum pipe_format format;
+ unsigned offset;
+};
+
+struct draw_vs_element {
+ struct draw_vs_input in;
+ struct draw_vs_output out;
+};
+
+struct draw_vs_varient_key {
+ unsigned output_stride;
+ unsigned nr_elements;
+ struct draw_vs_element element[PIPE_MAX_ATTRIBS];
+};
+
+struct draw_vs_varient {
+ struct draw_vs_varient_key key;
+
+ struct draw_vertex_shader *vs;
+
+ void (*set_input)( struct draw_vs_varient *,
+ unsigned i,
+ const void *ptr,
+ unsigned stride );
+
+ void (*set_constants)( struct draw_vs_varient *,
+ const float (*constants)[4] );
+
+
+ void (*run_linear)( struct draw_vs_varient *shader,
+ unsigned start,
+ unsigned count,
+ void *output_buffer );
+
+ void (*run_elts)( struct draw_vs_varient *shader,
+ const unsigned *elts,
+ unsigned count,
+ void *output_buffer );
+
+ void (*destroy)( struct draw_vs_varient * );
+};
+
+
/**
* Private version of the compiled vertex_shader
*/
struct draw_vertex_shader {
+ struct draw_context *draw;
/* This member will disappear shortly:
*/
struct tgsi_shader_info info;
+ /*
+ */
+ struct draw_vs_varient *varient[16];
+ unsigned nr_varients;
+ struct draw_vs_varient *(*create_varient)( struct draw_vertex_shader *shader,
+ const struct draw_vs_varient_key *key );
+
+
void (*prepare)( struct draw_vertex_shader *shader,
struct draw_context *draw );
};
+struct draw_vs_varient *
+draw_vs_lookup_varient( struct draw_vertex_shader *base,
+ const struct draw_vs_varient_key *key );
+
+
+/********************************************************************************
+ * Internal functions:
+ */
+
struct draw_vertex_shader *
draw_create_vs_exec(struct draw_context *draw,
const struct pipe_shader_state *templ);
draw_create_vs_llvm(struct draw_context *draw,
const struct pipe_shader_state *templ);
+/********************************************************************************
+ * Helpers for vs implementations that don't do their own fetch/emit varients.
+ * Means these can be shared between shaders.
+ */
+struct translate;
+struct translate_key;
+
+struct translate *draw_vs_get_fetch( struct draw_context *draw,
+ struct translate_key *key );
+
+
+struct translate *draw_vs_get_emit( struct draw_context *draw,
+ struct translate_key *key );
+
+struct draw_vs_varient *draw_vs_varient_generic( struct draw_vertex_shader *vs,
+ const struct draw_vs_varient_key *key );
+
+
+
+static INLINE int draw_vs_varient_keysize( const struct draw_vs_varient_key *key )
+{
+ return 2 * sizeof(int) + key->nr_elements * sizeof(struct draw_vs_element);
+}
+
+static INLINE int draw_vs_varient_key_compare( const struct draw_vs_varient_key *a,
+ const struct draw_vs_varient_key *b )
+{
+ int keysize = draw_vs_varient_keysize(a);
+ return memcmp(a, b, keysize);
+}
+
+
+
+
#define MAX_TGSI_VERTICES 4
+
#endif
tgsi_scan_shader(state->tokens, &vs->base.info);
+ vs->base.draw = draw;
vs->base.prepare = vs_exec_prepare;
vs->base.run_linear = vs_exec_run_linear;
vs->base.delete = vs_exec_delete;
+ vs->base.create_varient = draw_vs_varient_generic;
vs->machine = &draw->vs.machine;
return &vs->base;
tgsi_scan_shader(vs->base.state.tokens, &vs->base.info);
+ vs->base.draw = draw;
vs->base.prepare = vs_llvm_prepare;
+ vs->base.create_varient = draw_vs_varient_generic;
vs->base.run_linear = vs_llvm_run_linear;
vs->base.delete = vs_llvm_delete;
vs->machine = &draw->machine;
tgsi_scan_shader(templ->tokens, &vs->base.info);
+ vs->base.draw = draw;
+ vs->base.create_varient = draw_vs_varient_generic;
vs->base.prepare = vs_sse_prepare;
vs->base.run_linear = vs_sse_run_linear;
vs->base.delete = vs_sse_delete;
--- /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 "draw/draw_context.h"
+#include "draw/draw_private.h"
+#include "draw/draw_vbuf.h"
+#include "draw/draw_vertex.h"
+#include "draw/draw_vs.h"
+#include "translate/translate.h"
+#include "translate/translate_cache.h"
+
+/* A first pass at incorporating vertex fetch/emit functionality into
+ */
+struct draw_vs_varient_generic {
+ struct draw_vs_varient base;
+
+
+
+ struct draw_vertex_shader *shader;
+ struct draw_context *draw;
+
+ /* Basic plan is to run these two translate functions before/after
+ * the vertex shader's existing run_linear() routine to simulate
+ * the inclusion of this functionality into the shader...
+ *
+ * Next will look at actually including it.
+ */
+ struct translate *fetch;
+ struct translate *emit;
+
+ const float (*constants)[4];
+};
+
+
+
+
+static void vsvg_set_constants( struct draw_vs_varient *varient,
+ const float (*constants)[4] )
+{
+ struct draw_vs_varient_generic *vsvg = (struct draw_vs_varient_generic *)varient;
+
+ vsvg->constants = constants;
+}
+
+
+static void vsvg_set_input( struct draw_vs_varient *varient,
+ unsigned buffer,
+ const void *ptr,
+ unsigned stride )
+{
+ struct draw_vs_varient_generic *vsvg = (struct draw_vs_varient_generic *)varient;
+
+ vsvg->fetch->set_buffer(vsvg->fetch,
+ buffer,
+ ptr,
+ stride);
+}
+
+
+static void vsvg_run_elts( struct draw_vs_varient *varient,
+ const unsigned *elts,
+ unsigned count,
+ void *output_buffer)
+{
+ struct draw_vs_varient_generic *vsvg = (struct draw_vs_varient_generic *)varient;
+
+ /* Want to do this in small batches for cache locality?
+ */
+
+ vsvg->fetch->run_elts( vsvg->fetch,
+ elts,
+ count,
+ output_buffer );
+
+ //if (!vsvg->base.vs->is_passthrough)
+ {
+ vsvg->base.vs->run_linear( vsvg->base.vs,
+ output_buffer,
+ output_buffer,
+ vsvg->constants,
+ count,
+ vsvg->base.key.output_stride,
+ vsvg->base.key.output_stride);
+
+ //if (!vsvg->already_in_emit_format)
+
+ vsvg->emit->set_buffer( vsvg->emit,
+ 0,
+ output_buffer,
+ vsvg->base.key.output_stride );
+
+
+ vsvg->emit->run( vsvg->emit,
+ 0, count,
+ output_buffer );
+ }
+}
+
+
+static void vsvg_run_linear( struct draw_vs_varient *varient,
+ unsigned start,
+ unsigned count,
+ void *output_buffer )
+{
+ struct draw_vs_varient_generic *vsvg = (struct draw_vs_varient_generic *)varient;
+
+ //debug_printf("%s %d %d\n", __FUNCTION__, start, count);
+
+
+ vsvg->fetch->run( vsvg->fetch,
+ start,
+ count,
+ output_buffer );
+
+ //if (!vsvg->base.vs->is_passthrough)
+ {
+ vsvg->base.vs->run_linear( vsvg->base.vs,
+ output_buffer,
+ output_buffer,
+ vsvg->constants,
+ count,
+ vsvg->base.key.output_stride,
+ vsvg->base.key.output_stride);
+
+ //if (!vsvg->already_in_emit_format)
+ vsvg->emit->set_buffer( vsvg->emit,
+ 0,
+ output_buffer,
+ vsvg->base.key.output_stride );
+
+
+ vsvg->emit->run( vsvg->emit,
+ 0, count,
+ output_buffer );
+ }
+}
+
+
+
+static void vsvg_destroy( struct draw_vs_varient *varient )
+{
+ FREE(varient);
+}
+
+
+struct draw_vs_varient *draw_vs_varient_generic( struct draw_vertex_shader *vs,
+ const struct draw_vs_varient_key *key )
+{
+ unsigned i;
+ struct translate_key fetch, emit;
+
+ struct draw_vs_varient_generic *vsvg = CALLOC_STRUCT( draw_vs_varient_generic );
+ if (vsvg == NULL)
+ return NULL;
+
+ vsvg->base.key = *key;
+ vsvg->base.vs = vs;
+ vsvg->base.set_input = vsvg_set_input;
+ vsvg->base.set_constants = vsvg_set_constants;
+ vsvg->base.run_elts = vsvg_run_elts;
+ vsvg->base.run_linear = vsvg_run_linear;
+ vsvg->base.destroy = vsvg_destroy;
+
+
+
+ /* OK, have to build a new one:
+ */
+ fetch.nr_elements = vs->info.num_inputs;
+ fetch.output_stride = 0;
+ for (i = 0; i < vs->info.num_inputs; i++) {
+ fetch.element[i].input_format = key->element[i].in.format;
+ fetch.element[i].input_buffer = key->element[i].in.buffer;
+ fetch.element[i].input_offset = key->element[i].in.offset;
+ fetch.element[i].output_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
+ fetch.element[i].output_offset = fetch.output_stride;
+ fetch.output_stride += 4 * sizeof(float);
+ }
+
+
+ emit.nr_elements = vs->info.num_outputs;
+ emit.output_stride = key->output_stride;
+ for (i = 0; i < vs->info.num_outputs; i++) {
+ emit.element[i].input_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
+ emit.element[i].input_buffer = 0;
+ emit.element[i].input_offset = i * 4 * sizeof(float);
+ emit.element[i].output_format = key->element[i].out.format;
+ emit.element[i].output_offset = key->element[i].out.offset;
+ }
+
+ vsvg->fetch = draw_vs_get_fetch( vs->draw, &fetch );
+ vsvg->emit = draw_vs_get_emit( vs->draw, &emit );
+
+ return &vsvg->base;
+}
+
+
+
+
+
projects / mesa.git / commitdiff