Mesa (softpipe-opt): softpipe: remove gallivm fragment shaders

Keith Whitwell keithw at kemper.freedesktop.org
Thu Aug 13 13:28:59 UTC 2009


Module: Mesa
Branch: softpipe-opt
Commit: b5c389721aec09c260789e6371910937f15ef1a0
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=b5c389721aec09c260789e6371910937f15ef1a0

Author: Keith Whitwell <keithw at vmware.com>
Date:   Tue Aug 11 18:03:01 2009 +0100

softpipe: remove gallivm fragment shaders

However we do llvm integration, it will be different & more comprehensive
than this.

---

 src/gallium/drivers/softpipe/Makefile      |    1 -
 src/gallium/drivers/softpipe/sp_fs_llvm.c  |  205 ----------------------------
 src/gallium/drivers/softpipe/sp_state_fs.c |    7 +-
 3 files changed, 2 insertions(+), 211 deletions(-)

diff --git a/src/gallium/drivers/softpipe/Makefile b/src/gallium/drivers/softpipe/Makefile
index 48522ab..a6ed7ea 100644
--- a/src/gallium/drivers/softpipe/Makefile
+++ b/src/gallium/drivers/softpipe/Makefile
@@ -6,7 +6,6 @@ LIBNAME = softpipe
 C_SOURCES = \
 	sp_fs_exec.c \
 	sp_fs_sse.c \
-	sp_fs_llvm.c \
 	sp_clear.c \
 	sp_flush.c \
 	sp_query.c \
diff --git a/src/gallium/drivers/softpipe/sp_fs_llvm.c b/src/gallium/drivers/softpipe/sp_fs_llvm.c
deleted file mode 100644
index 95c0d98..0000000
--- a/src/gallium/drivers/softpipe/sp_fs_llvm.c
+++ /dev/null
@@ -1,205 +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.
- * 
- **************************************************************************/
-
-/**
- * Execute fragment shader using LLVM code generation.
- * Authors:
- *   Zack Rusin
- */
-
-#include "sp_context.h"
-#include "sp_state.h"
-#include "sp_fs.h"
-
-#include "pipe/p_state.h"
-#include "pipe/p_defines.h"
-#include "util/u_memory.h"
-#include "tgsi/tgsi_sse2.h"
-
-#if 0
-
-/**
- * Subclass of sp_fragment_shader
- */
-struct sp_llvm_fragment_shader
-{
-   struct sp_fragment_shader base;
-   struct gallivm_prog *llvm_prog;
-};
-
-
-static void
-shade_quad_llvm(struct quad_stage *qs,
-                struct quad_header *quad)
-{
-   struct quad_shade_stage *qss = quad_shade_stage(qs);
-   struct softpipe_context *softpipe = qs->softpipe;
-   float dests[4][16][4] ALIGN16_ATTRIB;
-   float inputs[4][16][4] ALIGN16_ATTRIB;
-   const float fx = (float) quad->x0;
-   const float fy = (float) quad->y0;
-   struct gallivm_prog *llvm = qss->llvm_prog;
-
-   inputs[0][0][0] = fx;
-   inputs[1][0][0] = fx + 1.0f;
-   inputs[2][0][0] = fx;
-   inputs[3][0][0] = fx + 1.0f;
-
-   inputs[0][0][1] = fy;
-   inputs[1][0][1] = fy;
-   inputs[2][0][1] = fy + 1.0f;
-   inputs[3][0][1] = fy + 1.0f;
-
-
-   gallivm_prog_inputs_interpolate(llvm, inputs, quad->coef);
-
-#if DLLVM
-   debug_printf("MASK = %d\n", quad->mask);
-   for (int i = 0; i < 4; ++i) {
-      for (int j = 0; j < 2; ++j) {
-         debug_printf("IN(%d,%d) [%f %f %f %f]\n", i, j, 
-                inputs[i][j][0], inputs[i][j][1], inputs[i][j][2], inputs[i][j][3]);
-      }
-   }
-#endif
-
-   quad->mask &=
-      gallivm_fragment_shader_exec(llvm, fx, fy, dests, inputs,
-                                   softpipe->mapped_constants[PIPE_SHADER_FRAGMENT],
-                                   qss->samplers);
-#if DLLVM
-   debug_printf("OUT LLVM = 1[%f %f %f %f], 2[%f %f %f %f]\n",
-          dests[0][0][0], dests[0][0][1], dests[0][0][2], dests[0][0][3], 
-          dests[0][1][0], dests[0][1][1], dests[0][1][2], dests[0][1][3]);
-#endif
-
-   /* store result color */
-   if (qss->colorOutSlot >= 0) {
-      unsigned i;
-      /* XXX need to handle multiple color outputs someday */
-      allvmrt(qss->stage.softpipe->fs->info.output_semantic_name[qss->colorOutSlot]
-             == TGSI_SEMANTIC_COLOR);
-      for (i = 0; i < QUAD_SIZE; ++i) {
-         quad->outputs.color[0][0][i] = dests[i][qss->colorOutSlot][0];
-         quad->outputs.color[0][1][i] = dests[i][qss->colorOutSlot][1];
-         quad->outputs.color[0][2][i] = dests[i][qss->colorOutSlot][2];
-         quad->outputs.color[0][3][i] = dests[i][qss->colorOutSlot][3];
-      }
-   }
-#if DLLVM
-   for (int i = 0; i < QUAD_SIZE; ++i) {
-      debug_printf("QLLVM%d(%d) [%f, %f, %f, %f]\n", i, qss->colorOutSlot,
-             quad->outputs.color[0][0][i],
-             quad->outputs.color[0][1][i],
-             quad->outputs.color[0][2][i],
-             quad->outputs.color[0][3][i]);
-   }
-#endif
-
-   /* store result Z */
-   if (qss->depthOutSlot >= 0) {
-      /* output[slot] is new Z */
-      uint i;
-      for (i = 0; i < 4; i++) {
-         quad->outputs.depth[i] = dests[i][0][2];
-      }
-   }
-   else {
-      /* copy input Z (which was interpolated by the executor) to output Z */
-      uint i;
-      for (i = 0; i < 4; i++) {
-         quad->outputs.depth[i] = inputs[i][0][2];
-      }
-   }
-#if DLLVM
-   debug_printf("D [%f, %f, %f, %f] mask = %d\n",
-             quad->outputs.depth[0],
-             quad->outputs.depth[1],
-             quad->outputs.depth[2],
-             quad->outputs.depth[3], quad->mask);
-#endif
-
-   /* shader may cull fragments */
-   if( quad->mask ) {
-      qs->next->run( qs->next, quad );
-   }
-}
-
-
-unsigned 
-run_llvm_fs( const struct sp_fragment_shader *base,
-	     struct foo *machine )
-{
-}
-
-
-void 
-delete_llvm_fs( struct sp_fragment_shader *base )
-{
-   FREE(base);
-}
-
-
-struct sp_fragment_shader *
-softpipe_create_fs_llvm(struct softpipe_context *softpipe,
-                        const struct pipe_shader_state *templ)
-{
-   struct sp_llvm_fragment_shader *shader = NULL;
-
-   /* LLVM fragment shaders currently disabled:
-    */
-   state = CALLOC_STRUCT(sp_llvm_shader_state);
-   if (!state)
-      return NULL;
-
-   state->llvm_prog = 0;
-
-   if (!gallivm_global_cpu_engine()) {
-      gallivm_cpu_engine_create(state->llvm_prog);
-   }
-   else
-      gallivm_cpu_jit_compile(gallivm_global_cpu_engine(), state->llvm_prog);
-   
-   if (shader) {
-      shader->base.run = run_llvm_fs;
-      shader->base.delete = delete_llvm_fs;
-   }
-
-   return shader;
-}
-
-
-#else
-
-struct sp_fragment_shader *
-softpipe_create_fs_llvm(struct softpipe_context *softpipe,
-		       const struct pipe_shader_state *templ)
-{
-   return NULL;
-}
-
-#endif
diff --git a/src/gallium/drivers/softpipe/sp_state_fs.c b/src/gallium/drivers/softpipe/sp_state_fs.c
index 4330c20..108ac8b 100644
--- a/src/gallium/drivers/softpipe/sp_state_fs.c
+++ b/src/gallium/drivers/softpipe/sp_state_fs.c
@@ -51,12 +51,9 @@ softpipe_create_fs_state(struct pipe_context *pipe,
       tgsi_dump(templ->tokens, 0);
 
    /* codegen */
-   state = softpipe_create_fs_llvm( softpipe, templ );
+   state = softpipe_create_fs_sse( softpipe, templ );
    if (!state) {
-      state = softpipe_create_fs_sse( softpipe, templ );
-      if (!state) {
-         state = softpipe_create_fs_exec( softpipe, templ );
-      }
+      state = softpipe_create_fs_exec( softpipe, templ );
    }
 
    assert(state);




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