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author | marha <marha@users.sourceforge.net> | 2011-12-12 12:23:04 +0100 |
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committer | marha <marha@users.sourceforge.net> | 2011-12-12 12:23:04 +0100 |
commit | 5efb0a5e19b75137b7294b27f4e7878aeb8f0927 (patch) | |
tree | a8138a3cf2f3ed5beacd1ce9e44dda79b51f9ffd /mesalib/src/mesa/state_tracker/st_cb_accum.c | |
parent | 5b178ff5a5f0b6e481cf9fd9749eb7ef9581c987 (diff) | |
download | vcxsrv-5efb0a5e19b75137b7294b27f4e7878aeb8f0927.tar.gz vcxsrv-5efb0a5e19b75137b7294b27f4e7878aeb8f0927.tar.bz2 vcxsrv-5efb0a5e19b75137b7294b27f4e7878aeb8f0927.zip |
libxtrans libX11 libxcb xserver mesa git update 12 dec 2011
Diffstat (limited to 'mesalib/src/mesa/state_tracker/st_cb_accum.c')
-rw-r--r-- | mesalib/src/mesa/state_tracker/st_cb_accum.c | 347 |
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 */ |