diff options
author | keithw <keithw@keithw-laptop.(none)> | 2007-08-25 22:05:16 +0100 |
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committer | keithw <keithw@keithw-laptop.(none)> | 2007-08-25 22:05:16 +0100 |
commit | b0455958cc5fbb303cd5cd394c7945f357cc9663 (patch) | |
tree | c7beec6e2476a1da7874bf6fe7e82425582a6161 /src/mesa/state_tracker/st_atom_constbuf.c | |
parent | 3f8b5e3951cfa4d568f571a3073a78b81040f7fb (diff) |
add missing files
Diffstat (limited to 'src/mesa/state_tracker/st_atom_constbuf.c')
-rw-r--r-- | src/mesa/state_tracker/st_atom_constbuf.c | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_atom_constbuf.c b/src/mesa/state_tracker/st_atom_constbuf.c new file mode 100644 index 00000000000..7bea9476f14 --- /dev/null +++ b/src/mesa/state_tracker/st_atom_constbuf.c @@ -0,0 +1,129 @@ +/************************************************************************** + * + * 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: + * Keith Whitwell <[email protected]> + * Brian Paul + */ + +#include "shader/prog_parameter.h" + +#include "pipe/p_context.h" +#include "pipe/p_defines.h" +#include "pipe/p_winsys.h" + +#include "st_context.h" +#include "st_atom.h" +#include "st_program.h" + +static void upload_constants( struct st_context *st, + struct gl_program_parameter_list *params, + unsigned id) +{ + struct pipe_winsys *ws = st->pipe->winsys; + struct pipe_constant_buffer *cbuf = &st->state.constants[id]; + + /* update constants */ + if (params && params->NumParameters) { + const uint paramBytes = params->NumParameters * sizeof(GLfloat) * 4; + + /* Update our own dependency flags. This works because this + * function will also be called whenever the program changes. + */ + st->constants.tracked_state[id].dirty.mesa = params->StateFlags; + + _mesa_load_state_parameters(st->ctx, params); + + if (!cbuf->buffer) + cbuf->buffer = ws->buffer_create(ws, 1); + + if (0) + { + int i; + + _mesa_printf("%s(%d): %d / %x\n", + __FUNCTION__, id, params->NumParameters, params->StateFlags); + + for (i = 0; i < params->NumParameters; i++) + fprintf(stderr, "%d: %f %f %f %f\n", i, + params->ParameterValues[i][0], + params->ParameterValues[i][1], + params->ParameterValues[i][2], + params->ParameterValues[i][3]); + } + + /* load Mesa constants into the constant buffer */ + ws->buffer_data(ws, cbuf->buffer, paramBytes, params->ParameterValues); + + cbuf->size = paramBytes; + + st->pipe->set_constant_buffer(st->pipe, id, 0, cbuf); + } + else { + st->constants.tracked_state[id].dirty.mesa = 0; + // st->pipe->set_constant_buffer(st->pipe, id, 0, NULL); + } +} + +/* Vertex shader: + */ +static void update_vs_constants(struct st_context *st ) +{ + struct st_vertex_program *vp = st->vp; + struct gl_program_parameter_list *params = vp->Base.Base.Parameters; + + upload_constants( st, params, PIPE_SHADER_VERTEX ); +} + +const struct st_tracked_state st_update_vs_constants = { + .name = "st_update_vs_constants", + .dirty = { + .mesa = 0, + .st = ST_NEW_VERTEX_PROGRAM, + }, + .update = update_vs_constants +}; + +/* Fragment shader: + */ +static void update_fs_constants(struct st_context *st ) +{ + struct st_fragment_program *fp = st->fp; + struct gl_program_parameter_list *params = fp->Base.Base.Parameters; + + upload_constants( st, params, PIPE_SHADER_FRAGMENT ); +} + +const struct st_tracked_state st_update_fs_constants = { + .name = "st_update_fs_constants", + .dirty = { + .mesa = 0, + .st = ST_NEW_FRAGMENT_PROGRAM, + }, + .update = update_fs_constants +}; + |