state_tracker: remove dead file

This commit is contained in:
Keith Whitwell 2008-09-21 11:50:46 -07:00
parent 19af2db064
commit a70312a154

View file

@ -1,319 +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 "st_context.h"
#include "st_cb_accum.h"
#include "st_cb_fbo.h"
#include "st_draw.h"
#include "st_format.h"
#include "pipe/p_context.h"
#include "pipe/p_defines.h"
#include "pipe/p_inlines.h"
#include "util/p_tile.h"
#define UNCLAMPED_FLOAT_TO_SHORT(us, f) \
us = ( (short) ( CLAMP((f), -1.0, 1.0) * 32767.0F) )
/**
* 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.
*/
static void
acc_get_tile_rgba(struct pipe_context *pipe, struct pipe_surface *acc_ps,
uint x, uint y, uint w, uint h, float *p)
{
const enum pipe_format f = acc_ps->format;
const int cpp = acc_ps->cpp;
acc_ps->format = PIPE_FORMAT_R16G16B16A16_SNORM;
acc_ps->cpp = 8;
pipe_get_tile_rgba(pipe, acc_ps, x, y, w, h, p);
acc_ps->format = f;
acc_ps->cpp = cpp;
}
static void
acc_put_tile_rgba(struct pipe_context *pipe, struct pipe_surface *acc_ps,
uint x, uint y, uint w, uint h, const float *p)
{
enum pipe_format f = acc_ps->format;
const int cpp = acc_ps->cpp;
acc_ps->format = PIPE_FORMAT_R16G16B16A16_SNORM;
acc_ps->cpp = 8;
pipe_put_tile_rgba(pipe, acc_ps, x, y, w, h, p);
acc_ps->format = f;
acc_ps->cpp = cpp;
}
void
st_clear_accum_buffer(GLcontext *ctx, struct gl_renderbuffer *rb)
{
struct pipe_context *pipe = ctx->st->pipe;
struct st_renderbuffer *acc_strb = st_renderbuffer(rb);
struct pipe_surface *acc_ps = acc_strb->surface;
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;
const GLfloat r = ctx->Accum.ClearColor[0];
const GLfloat g = ctx->Accum.ClearColor[1];
const GLfloat b = ctx->Accum.ClearColor[2];
const GLfloat a = ctx->Accum.ClearColor[3];
GLfloat *accBuf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
int i;
#if 1
GLvoid *map;
map = pipe_surface_map(acc_ps);
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 *) map
+ ((ypos + i) * acc_ps->pitch + xpos) * 4);
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()");
}
pipe_surface_unmap(acc_ps);
#else
for (i = 0; i < width * height; i++) {
accBuf[i*4+0] = r;
accBuf[i*4+1] = g;
accBuf[i*4+2] = b;
accBuf[i*4+3] = a;
}
acc_put_tile_rgba(pipe, acc_ps, xpos, ypos, width, height, accBuf);
#endif
}
/** For ADD/MULT */
static void
accum_mad(struct pipe_context *pipe, GLfloat scale, GLfloat bias,
GLint xpos, GLint ypos, GLint width, GLint height,
struct pipe_surface *acc_ps)
{
GLfloat *accBuf;
GLint i;
accBuf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
pipe_get_tile_rgba(pipe, acc_ps, xpos, ypos, width, height, accBuf);
for (i = 0; i < 4 * width * height; i++) {
accBuf[i] = accBuf[i] * scale + bias;
}
pipe_put_tile_rgba(pipe, acc_ps, xpos, ypos, width, height, accBuf);
free(accBuf);
}
static void
accum_accum(struct pipe_context *pipe, GLfloat value,
GLint xpos, GLint ypos, GLint width, GLint height,
struct pipe_surface *acc_ps,
struct pipe_surface *color_ps)
{
GLfloat *colorBuf, *accBuf;
GLint i;
colorBuf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
accBuf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
pipe_get_tile_rgba(pipe, color_ps, xpos, ypos, width, height, colorBuf);
acc_get_tile_rgba(pipe, acc_ps, xpos, ypos, width, height, accBuf);
for (i = 0; i < 4 * width * height; i++) {
accBuf[i] = accBuf[i] + colorBuf[i] * value;
}
acc_put_tile_rgba(pipe, acc_ps, xpos, ypos, width, height, accBuf);
free(colorBuf);
free(accBuf);
}
static void
accum_load(struct pipe_context *pipe, GLfloat value,
GLint xpos, GLint ypos, GLint width, GLint height,
struct pipe_surface *acc_ps,
struct pipe_surface *color_ps)
{
GLfloat *buf;
GLint i;
buf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
pipe_get_tile_rgba(pipe, color_ps, xpos, ypos, width, height, buf);
for (i = 0; i < 4 * width * height; i++) {
buf[i] = buf[i] * value;
}
acc_put_tile_rgba(pipe, acc_ps, xpos, ypos, width, height, buf);
free(buf);
}
static void
accum_return(GLcontext *ctx, GLfloat value,
GLint xpos, GLint ypos, GLint width, GLint height,
struct pipe_surface *acc_ps,
struct pipe_surface *color_ps)
{
struct pipe_context *pipe = ctx->st->pipe;
const GLubyte *colormask = ctx->Color.ColorMask;
GLfloat *abuf, *cbuf = NULL;
GLint i, ch;
abuf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
acc_get_tile_rgba(pipe, acc_ps, xpos, ypos, width, height, abuf);
if (!colormask[0] || !colormask[1] || !colormask[2] || !colormask[3]) {
cbuf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
pipe_get_tile_rgba(pipe, color_ps, xpos, ypos, width, height, cbuf);
}
for (i = 0; i < width * height; i++) {
for (ch = 0; ch < 4; ch++) {
if (colormask[ch]) {
GLfloat val = abuf[i * 4 + ch] * value;
abuf[i * 4 + ch] = CLAMP(val, 0.0, 1.0);
}
else {
abuf[i * 4 + ch] = cbuf[i * 4 + ch];
}
}
}
pipe_put_tile_rgba(pipe, color_ps, xpos, ypos, width, height, abuf);
free(abuf);
if (cbuf)
free(cbuf);
}
static void
st_Accum(GLcontext *ctx, GLenum op, GLfloat value)
{
struct st_context *st = ctx->st;
struct pipe_context *pipe = st->pipe;
struct st_renderbuffer *acc_strb
= st_renderbuffer(ctx->DrawBuffer->Attachment[BUFFER_ACCUM].Renderbuffer);
struct st_renderbuffer *color_strb
= st_renderbuffer(ctx->ReadBuffer->_ColorReadBuffer);
struct pipe_surface *acc_ps = acc_strb->surface;
struct pipe_surface *color_ps = color_strb->surface;
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;
/* make sure color bufs aren't cached */
pipe->flush(pipe, PIPE_FLUSH_RENDER_CACHE, NULL);
switch (op) {
case GL_ADD:
if (value != 0.0F) {
accum_mad(pipe, 1.0, value, xpos, ypos, width, height, acc_ps);
}
break;
case GL_MULT:
if (value != 1.0F) {
accum_mad(pipe, value, 0.0, xpos, ypos, width, height, acc_ps);
}
break;
case GL_ACCUM:
if (value != 0.0F) {
accum_accum(pipe, value, xpos, ypos, width, height, acc_ps, color_ps);
}
break;
case GL_LOAD:
accum_load(pipe, value, xpos, ypos, width, height, acc_ps, color_ps);
break;
case GL_RETURN:
accum_return(ctx, value, xpos, ypos, width, height, acc_ps, color_ps);
break;
default:
assert(0);
}
}
void st_init_accum_functions(struct dd_function_table *functions)
{
functions->Accum = st_Accum;
}