diff options
-rw-r--r-- | src/mesa/state_tracker/acc2.c | 319 |
1 files changed, 0 insertions, 319 deletions
diff --git a/src/mesa/state_tracker/acc2.c b/src/mesa/state_tracker/acc2.c deleted file mode 100644 index fa5de2b764c..00000000000 --- a/src/mesa/state_tracker/acc2.c +++ /dev/null @@ -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; -} |