mesa: remove dead swrast and state tracker accum buffer code

2 files changed, 0 insertions, 410 deletions

diff --git a/src/mesa/state_tracker/st_cb_accum.c b/src/mesa/state_tracker/st_cb_accum.c
deleted file mode 100644
index 3e3659d1571..00000000000
--- a/src/mesa/state_tracker/st_cb_accum.c
+++ /dev/null
@@ -1,347 +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:
-  *   Brian Paul
-  */
-
-#include "main/imports.h"
-#include "main/image.h"
-#include "main/macros.h"
-#include "main/mfeatures.h"
-
-#include "st_debug.h"
-#include "st_context.h"
-#include "st_cb_accum.h"
-#include "st_cb_fbo.h"
-#include "st_texture.h"
-#include "pipe/p_context.h"
-#include "pipe/p_defines.h"
-#include "util/u_format.h"
-#include "util/u_inlines.h"
-#include "util/u_tile.h"
-
-
-#if FEATURE_accum
-
-/**
- * For hardware that supports deep color buffers, we could accelerate
- * most/all the accum operations with blending/texturing.
- * For now, just use the get/put_tile() functions and do things in software.
- */
-
-
-void
-st_clear_accum_buffer(struct gl_context *ctx, struct gl_renderbuffer *rb)
-{
-   struct st_renderbuffer *acc_strb = st_renderbuffer(rb);
-   const GLint xpos = ctx->DrawBuffer->_Xmin;
-   const GLint ypos = ctx->DrawBuffer->_Ymin;
-   const GLint width = ctx->DrawBuffer->_Xmax - xpos;
-   const GLint height = ctx->DrawBuffer->_Ymax - ypos;
-   size_t stride = acc_strb->stride;
-   GLubyte *data = acc_strb->data;
-
-   if(!data)
-      return;
-   
-   switch (acc_strb->format) {
-   case PIPE_FORMAT_R16G16B16A16_SNORM:
-      {
-         GLshort r = FLOAT_TO_SHORT(ctx->Accum.ClearColor[0]);
-         GLshort g = FLOAT_TO_SHORT(ctx->Accum.ClearColor[1]);
-         GLshort b = FLOAT_TO_SHORT(ctx->Accum.ClearColor[2]);
-         GLshort a = FLOAT_TO_SHORT(ctx->Accum.ClearColor[3]);
-         int i, j;
-         for (i = 0; i < height; i++) {
-            GLshort *dst = (GLshort *) (data + (ypos + i) * stride + xpos * 8);
-            for (j = 0; j < width; j++) {
-               dst[0] = r;
-               dst[1] = g;
-               dst[2] = b;
-               dst[3] = a;
-               dst += 4;
-            }
-         }
-      }
-      break;
-   default:
-      _mesa_problem(ctx, "unexpected format in st_clear_accum_buffer()");
-   }
-}
-
-
-/** For ADD/MULT */
-static void
-accum_mad(struct gl_context *ctx, GLfloat scale, GLfloat bias,
-          GLint xpos, GLint ypos, GLint width, GLint height,
-          struct st_renderbuffer *acc_strb)
-{
-   size_t stride = acc_strb->stride;
-   GLubyte *data = acc_strb->data;
-
-   switch (acc_strb->format) {
-   case PIPE_FORMAT_R16G16B16A16_SNORM:
-      {
-         int i, j;
-         for (i = 0; i < height; i++) {
-            GLshort *acc = (GLshort *) (data + (ypos + i) * stride + xpos * 8);
-            for (j = 0; j < width * 4; j++) {
-               float val = SHORT_TO_FLOAT(*acc) * scale + bias;
-               *acc++ = FLOAT_TO_SHORT(val);
-            }
-         }
-      }
-      break;
-   default:
-      _mesa_problem(NULL, "unexpected format in st_clear_accum_buffer()");
-   }
-}
-
-
-static void
-accum_accum(struct st_context *st, GLfloat value,
-            GLint xpos, GLint ypos, GLint width, GLint height,
-            struct st_renderbuffer *acc_strb,
-            struct st_renderbuffer *color_strb)
-{
-   struct pipe_context *pipe = st->pipe;
-   struct pipe_transfer *color_trans;
-   size_t stride = acc_strb->stride;
-   GLubyte *data = acc_strb->data;
-   GLfloat *buf;
-
-   if (ST_DEBUG & DEBUG_FALLBACK)
-      debug_printf("%s: fallback processing\n", __FUNCTION__);
-
-   color_trans = pipe_get_transfer(st->pipe,
-                                   color_strb->texture,
-                                   0, 0,
-                                   PIPE_TRANSFER_READ, xpos, ypos,
-                                   width, height);
-
-   buf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
-
-   pipe_get_tile_rgba_format(pipe, color_trans, 0, 0, width, height,
-                             util_format_linear(color_strb->texture->format),
-                             buf);
-
-   switch (acc_strb->format) {
-   case PIPE_FORMAT_R16G16B16A16_SNORM:
-      {
-         const GLfloat *color = buf;
-         int i, j;
-         for (i = 0; i < height; i++) {
-            GLshort *acc = (GLshort *) (data + (ypos + i) * stride + xpos * 8);
-            for (j = 0; j < width * 4; j++) {
-               float val = *color++ * value;
-               *acc++ += FLOAT_TO_SHORT(val);
-            }
-         }
-      }
-      break;
-   default:
-      _mesa_problem(NULL, "unexpected format in st_clear_accum_buffer()");
-   }
-
-   free(buf);
-   pipe->transfer_destroy(pipe, color_trans);
-}
-
-
-static void
-accum_load(struct st_context *st, GLfloat value,
-           GLint xpos, GLint ypos, GLint width, GLint height,
-           struct st_renderbuffer *acc_strb,
-           struct st_renderbuffer *color_strb)
-{
-   struct pipe_context *pipe = st->pipe;
-   struct pipe_transfer *color_trans;
-   size_t stride = acc_strb->stride;
-   GLubyte *data = acc_strb->data;
-   GLfloat *buf;
-
-   if (ST_DEBUG & DEBUG_FALLBACK)
-      debug_printf("%s: fallback processing\n", __FUNCTION__);
-
-   color_trans = pipe_get_transfer(st->pipe, color_strb->texture,
-                                   0, 0,
-                                   PIPE_TRANSFER_READ, xpos, ypos,
-                                   width, height);
-
-   buf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
-
-   pipe_get_tile_rgba_format(pipe, color_trans, 0, 0, width, height,
-                             util_format_linear(color_strb->texture->format),
-                             buf);
-
-   switch (acc_strb->format) {
-   case PIPE_FORMAT_R16G16B16A16_SNORM:
-      {
-         const GLfloat *color = buf;
-         int i, j;
-         for (i = 0; i < height; i++) {
-            GLshort *acc = (GLshort *) (data + (ypos + i) * stride + xpos * 8);
-            for (j = 0; j < width * 4; j++) {
-               float val = *color++ * value;
-               *acc++ = FLOAT_TO_SHORT(val);
-            }
-         }
-      }
-      break;
-   default:
-      _mesa_problem(NULL, "unexpected format in st_clear_accum_buffer()");
-   }
-
-   free(buf);
-   pipe->transfer_destroy(pipe, color_trans);
-}
-
-
-static void
-accum_return(struct gl_context *ctx, GLfloat value,
-             GLint xpos, GLint ypos, GLint width, GLint height,
-             struct st_renderbuffer *acc_strb,
-             struct st_renderbuffer *color_strb)
-{
-   struct pipe_context *pipe = st_context(ctx)->pipe;
-   const GLubyte *colormask = ctx->Color.ColorMask[0];
-   enum pipe_transfer_usage usage;
-   struct pipe_transfer *color_trans;
-   size_t stride = acc_strb->stride;
-   const GLubyte *data = acc_strb->data;
-   GLfloat *buf;
-   enum pipe_format format = util_format_linear(color_strb->texture->format);
-
-   if (ST_DEBUG & DEBUG_FALLBACK)
-      debug_printf("%s: fallback processing\n", __FUNCTION__);
-
-   buf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
-
-   if (!colormask[0] || !colormask[1] || !colormask[2] || !colormask[3])
-      usage = PIPE_TRANSFER_READ_WRITE;
-   else
-      usage = PIPE_TRANSFER_WRITE;
-
-   color_trans = pipe_get_transfer(pipe,
-                                   color_strb->texture, 0, 0,
-                                   usage,
-                                   xpos, ypos,
-                                   width, height);
-
-   if (usage & PIPE_TRANSFER_READ)
-      pipe_get_tile_rgba_format(pipe, color_trans, 0, 0, width, height,
-                                format, buf);
-
-   switch (acc_strb->format) {
-   case PIPE_FORMAT_R16G16B16A16_SNORM:
-      {
-         GLfloat *color = buf;
-         int i, j, ch;
-         for (i = 0; i < height; i++) {
-            const GLshort *acc = (const GLshort *) (data + (ypos + i) * stride + xpos * 8);
-            for (j = 0; j < width; j++) {
-               for (ch = 0; ch < 4; ch++) {
-                  if (colormask[ch]) {
-                     GLfloat val = SHORT_TO_FLOAT(*acc * value);
-                     *color = CLAMP(val, 0.0f, 1.0f);
-                  }
-                  else {
-                     /* No change */
-                  }
-                  ++acc;
-                  ++color;
-               }
-            }
-         }
-      }
-      break;
-   default:
-      _mesa_problem(NULL, "unexpected format in st_clear_accum_buffer()");
-   }
-
-   pipe_put_tile_rgba_format(pipe, color_trans, 0, 0, width, height,
-                             format, buf);
-
-   free(buf);
-   pipe->transfer_destroy(pipe, color_trans);
-}
-
-
-static void
-st_Accum(struct gl_context *ctx, GLenum op, GLfloat value)
-{
-   struct st_context *st = st_context(ctx);
-   struct st_renderbuffer *acc_strb
-     = st_renderbuffer(ctx->DrawBuffer->Attachment[BUFFER_ACCUM].Renderbuffer);
-   struct st_renderbuffer *color_strb
-      = st_renderbuffer(ctx->ReadBuffer->_ColorReadBuffer);
-
-   const GLint xpos = ctx->DrawBuffer->_Xmin;
-   const GLint ypos = ctx->DrawBuffer->_Ymin;
-   const GLint width = ctx->DrawBuffer->_Xmax - xpos;
-   const GLint height = ctx->DrawBuffer->_Ymax - ypos;
-
-   if(!acc_strb->data)
-      return;
-   
-   switch (op) {
-   case GL_ADD:
-      if (value != 0.0F) {
-         accum_mad(ctx, 1.0, value, xpos, ypos, width, height, acc_strb);
-      }
-      break;
-   case GL_MULT:
-      if (value != 1.0F) {
-         accum_mad(ctx, value, 0.0, xpos, ypos, width, height, acc_strb);
-      }
-      break;
-   case GL_ACCUM:
-      if (value != 0.0F) {
-         accum_accum(st, value, xpos, ypos, width, height, acc_strb, color_strb);
-      }
-      break;
-   case GL_LOAD:
-      accum_load(st, value, xpos, ypos, width, height, acc_strb, color_strb);
-      break;
-   case GL_RETURN:
-      accum_return(ctx, value, xpos, ypos, width, height, acc_strb, color_strb);
-      break;
-   default:
-      assert(0);
-   }
-}
-
-
-
-void st_init_accum_functions(struct dd_function_table *functions)
-{
-   functions->Accum = st_Accum;
-}
-
-#endif /* FEATURE_accum */
diff --git a/src/mesa/state_tracker/st_cb_accum.h b/src/mesa/state_tracker/st_cb_accum.h
deleted file mode 100644
index 050a21483e4..00000000000
--- a/src/mesa/state_tracker/st_cb_accum.h
+++ /dev/null
@@ -1,63 +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.
- * 
- **************************************************************************/
-
-
-#ifndef ST_CB_ACCUM_H
-#define ST_CB_ACCUM_H
-
-
-#include "main/mfeatures.h"
-
-struct dd_function_table;
-struct gl_context;
-struct gl_renderbuffer;
-
-#if FEATURE_accum
-
-extern void
-st_clear_accum_buffer(struct gl_context *ctx, struct gl_renderbuffer *rb);
-
-extern void st_init_accum_functions(struct dd_function_table *functions);
-
-#else
-
-#include "main/compiler.h"
-
-static INLINE void
-st_clear_accum_buffer(struct gl_context *ctx, struct gl_renderbuffer *rb)
-{
-   ASSERT_NO_FEATURE();
-}
-
-static INLINE void
-st_init_accum_functions(struct dd_function_table *functions)
-{
-}
-
-#endif /* FEATURE_accum */
-
-#endif /* ST_CB_ACCUM_H */