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-rw-r--r--mesalib/src/mesa/state_tracker/st_cb_accum.c347
1 files changed, 0 insertions, 347 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_cb_accum.c b/mesalib/src/mesa/state_tracker/st_cb_accum.c
deleted file mode 100644
index 3e3659d15..000000000
--- a/mesalib/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 */
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