diff options
author | Keith Whitwell <keith@tungstengraphics.com> | 2008-09-11 16:05:15 +0100 |
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committer | Keith Whitwell <keith@tungstengraphics.com> | 2008-09-11 16:05:15 +0100 |
commit | 0397b2bb41b0f337af2949a15bcd7d0e7e8a7dc1 (patch) | |
tree | 732c93d74ed806942a13bf15575a61aa4f001253 /src/gallium/auxiliary/sct/sct.c | |
parent | 80af50b35b5a4e8890e15b28940576f8a1ac1476 (diff) | |
parent | e6887a5752774c18cf527477fdd3e57e4893ff3b (diff) |
Merge branch 'gallium-0.1' into gallium-0.2
A first attempt at moving gallium onto a branch directly off master...
It will be interesting to see how much work this takes to get running.
Have resolved the conflicts semi-arbitarily, not compiled or tested.
Conflicts:
.gitignore
Makefile
configs/config.mgw
configs/darwin
configs/darwin-x86ppc
configs/default
configs/freebsd-dri
configs/linux-dri
configs/linux-dri-xcb
configs/linux-fbdev
configs/linux-static
configs/linux-x86-64-static
configs/linux-x86-static
doxygen/Makefile
include/GL/gl.h
progs/demos/Makefile
progs/demos/descrip.mms
progs/demos/texenv.c
progs/egl/.gitignore
progs/egl/Makefile
progs/glsl/.gitignore
progs/glsl/Makefile
progs/glsl/convolutions.c
progs/samples/Makefile.mgw
progs/tests/.gitignore
progs/trivial/.gitignore
progs/trivial/point-param.c
progs/trivial/tri.c
progs/xdemos/.gitignore
progs/xdemos/glthreads.c
src/egl/drivers/demo/Makefile
src/egl/drivers/dri/Makefile
src/egl/main/Makefile
src/glu/Makefile
src/glu/sgi/Makefile
src/glu/sgi/Makefile.mgw
src/glut/glx/Makefile.mgw
src/glut/os2/WarpWin.cpp
src/glut/os2/glut_cindex.cpp
src/glut/os2/glut_gamemode.cpp
src/glut/os2/glut_win.cpp
src/glut/os2/glut_winmisc.cpp
src/glut/os2/os2_glx.cpp
src/glut/os2/os2_menu.cpp
src/glut/os2/os2_winproc.cpp
src/glw/Makefile
src/glx/x11/dri_glx.c
src/glx/x11/glxext.c
src/mesa/Makefile
src/mesa/Makefile.mgw
src/mesa/descrip.mms
src/mesa/drivers/beos/Makefile
src/mesa/drivers/common/descrip.mms
src/mesa/drivers/common/driverfuncs.c
src/mesa/drivers/directfb/Makefile
src/mesa/drivers/dri/Makefile.template
src/mesa/drivers/dri/common/dri_bufmgr.c
src/mesa/drivers/dri/common/dri_bufmgr.h
src/mesa/drivers/dri/common/dri_util.c
src/mesa/drivers/dri/common/extension_helper.h
src/mesa/drivers/dri/common/mmio.h
src/mesa/drivers/dri/common/utils.c
src/mesa/drivers/dri/common/utils.h
src/mesa/drivers/dri/glcore/Makefile
src/mesa/drivers/dri/i810/i810screen.c
src/mesa/drivers/dri/i915/intel_ioctl.c
src/mesa/drivers/dri/i915/intel_ioctl.h
src/mesa/drivers/dri/i915/intel_screen.c
src/mesa/drivers/dri/i915/server/i830_common.h
src/mesa/drivers/dri/i915/server/i830_dri.h
src/mesa/drivers/dri/i965/intel_screen.c
src/mesa/drivers/dri/i965/server/i830_common.h
src/mesa/drivers/dri/i965/server/i830_dri.h
src/mesa/drivers/dri/mach64/mach64_screen.c
src/mesa/drivers/dri/nouveau/nouveau_context.h
src/mesa/drivers/dri/nouveau/nouveau_fifo.c
src/mesa/drivers/dri/nouveau/nouveau_fifo.h
src/mesa/drivers/dri/nouveau/nouveau_screen.c
src/mesa/drivers/dri/nouveau/nouveau_screen.h
src/mesa/drivers/dri/r128/r128_tex.h
src/mesa/drivers/dri/savage/savageioctl.h
src/mesa/drivers/fbdev/Makefile
src/mesa/drivers/osmesa/Makefile
src/mesa/drivers/osmesa/descrip.mms
src/mesa/drivers/x11/Makefile
src/mesa/drivers/x11/descrip.mms
src/mesa/drivers/x11/xm_dd.c
src/mesa/glapi/glapi.c
src/mesa/glapi/glthread.c
src/mesa/main/api_validate.c
src/mesa/main/attrib.c
src/mesa/main/bufferobj.c
src/mesa/main/bufferobj.h
src/mesa/main/buffers.c
src/mesa/main/config.h
src/mesa/main/context.c
src/mesa/main/descrip.mms
src/mesa/main/drawpix.c
src/mesa/main/enums.c
src/mesa/main/fbobject.c
src/mesa/main/glheader.h
src/mesa/main/imports.c
src/mesa/main/mipmap.c
src/mesa/main/mm.c
src/mesa/main/mm.h
src/mesa/main/mtypes.h
src/mesa/main/points.c
src/mesa/main/sources
src/mesa/main/state.c
src/mesa/main/texcompress_fxt1.c
src/mesa/main/texenvprogram.c
src/mesa/main/texobj.c
src/mesa/main/texstate.c
src/mesa/main/texstore.c
src/mesa/math/descrip.mms
src/mesa/shader/arbprogram.c
src/mesa/shader/descrip.mms
src/mesa/shader/prog_execute.c
src/mesa/shader/prog_statevars.c
src/mesa/shader/prog_statevars.h
src/mesa/shader/prog_uniform.c
src/mesa/shader/program.c
src/mesa/shader/program.h
src/mesa/shader/shader_api.c
src/mesa/shader/slang/descrip.mms
src/mesa/shader/slang/library/slang_vertex_builtin_gc.h
src/mesa/sources
src/mesa/swrast/descrip.mms
src/mesa/swrast/s_drawpix.c
src/mesa/swrast/s_fragprog.c
src/mesa/swrast/s_readpix.c
src/mesa/swrast/s_span.c
src/mesa/swrast_setup/descrip.mms
src/mesa/tnl/descrip.mms
src/mesa/tnl/t_context.h
src/mesa/tnl/t_vp_build.c
src/mesa/tnl/tnl.h
src/mesa/vbo/descrip.mms
src/mesa/vbo/vbo_context.c
src/mesa/vbo/vbo_exec_array.c
src/mesa/x86-64/xform4.S
src/mesa/x86/rtasm/x86sse.c
src/mesa/x86/rtasm/x86sse.h
windows/VC6/progs/glut/glut.dsp
windows/VC7/mesa/gdi/gdi.vcproj
windows/VC7/mesa/glu/glu.vcproj
windows/VC7/mesa/mesa.sln
windows/VC7/mesa/mesa/mesa.vcproj
windows/VC7/mesa/osmesa/osmesa.vcproj
windows/VC7/progs/glut/glut.vcproj
windows/VC8/mesa/gdi/gdi.vcproj
windows/VC8/mesa/glu/glu.vcproj
windows/VC8/mesa/mesa.sln
windows/VC8/mesa/mesa/mesa.vcproj
windows/VC8/progs/glut/glut.vcproj
Diffstat (limited to 'src/gallium/auxiliary/sct/sct.c')
-rw-r--r-- | src/gallium/auxiliary/sct/sct.c | 454 |
1 files changed, 454 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/sct/sct.c b/src/gallium/auxiliary/sct/sct.c new file mode 100644 index 0000000000..49bb7ea92e --- /dev/null +++ b/src/gallium/auxiliary/sct/sct.c @@ -0,0 +1,454 @@ +/************************************************************************** + * + * Copyright 2008 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. + * + **************************************************************************/ + + +#include "util/u_memory.h" +#include "pipe/p_state.h" +#include "pipe/p_inlines.h" +#include "sct.h" + + +struct texture_list +{ + struct pipe_texture *texture; + struct texture_list *next; +}; + + + +#define MAX_SURFACES ((PIPE_MAX_COLOR_BUFS) + 1) + +struct sct_context +{ + const struct pipe_context *context; + + /** surfaces the context is drawing into */ + struct pipe_surface *surfaces[MAX_SURFACES]; + + /** currently bound textures */ + struct pipe_texture *textures[PIPE_MAX_SAMPLERS]; + + /** previously bound textures, used but not flushed */ + struct texture_list *textures_used; + + boolean needs_flush; + + struct sct_context *next; +}; + + + +struct sct_surface +{ + const struct pipe_surface *surface; + + /** list of contexts drawing to this surface */ + struct sct_context_list *contexts; + + struct sct_surface *next; +}; + + + +/** + * Find the surface_info for the given pipe_surface + */ +static struct sct_surface * +find_surface_info(struct surface_context_tracker *sct, + const struct pipe_surface *surface) +{ + struct sct_surface *si; + for (si = sct->surfaces; si; si = si->next) + if (si->surface == surface) + return si; + return NULL; +} + + +/** + * As above, but create new surface_info if surface is new. + */ +static struct sct_surface * +find_create_surface_info(struct surface_context_tracker *sct, + const struct pipe_surface *surface) +{ + struct sct_surface *si = find_surface_info(sct, surface); + if (si) + return si; + + /* alloc new */ + si = CALLOC_STRUCT(sct_surface); + if (si) { + si->surface = surface; + + /* insert at head */ + si->next = sct->surfaces; + sct->surfaces = si; + } + + return si; +} + + +/** + * Find a context_info for the given context. + */ +static struct sct_context * +find_context_info(struct surface_context_tracker *sct, + const struct pipe_context *context) +{ + struct sct_context *ci; + for (ci = sct->contexts; ci; ci = ci->next) + if (ci->context == context) + return ci; + return NULL; +} + + +/** + * As above, but create new context_info if context is new. + */ +static struct sct_context * +find_create_context_info(struct surface_context_tracker *sct, + const struct pipe_context *context) +{ + struct sct_context *ci = find_context_info(sct, context); + if (ci) + return ci; + + /* alloc new */ + ci = CALLOC_STRUCT(sct_context); + if (ci) { + ci->context = context; + + /* insert at head */ + ci->next = sct->contexts; + sct->contexts = ci; + } + + return ci; +} + + +/** + * Is the context already bound to the surface? + */ +static boolean +find_surface_context(const struct sct_surface *si, + const struct pipe_context *context) +{ + const struct sct_context_list *cl; + for (cl = si->contexts; cl; cl = cl->next) { + if (cl->context == context) { + return TRUE; + } + } + return FALSE; +} + + +/** + * Add a context to the list of contexts associated with a surface. + */ +static void +add_context_to_surface(struct sct_surface *si, + const struct pipe_context *context) +{ + struct sct_context_list *cl = CALLOC_STRUCT(sct_context_list); + if (cl) { + cl->context = context; + /* insert at head of list of contexts */ + cl->next = si->contexts; + si->contexts = cl; + } +} + + +/** + * Remove a context from the list of contexts associated with a surface. + */ +static void +remove_context_from_surface(struct sct_surface *si, + const struct pipe_context *context) +{ + struct sct_context_list *prev = NULL, *curr, *next; + + for (curr = si->contexts; curr; curr = next) { + if (curr->context == context) { + /* remove */ + if (prev) + prev->next = curr->next; + else + si->contexts = curr->next; + next = curr->next; + FREE(curr); + } + else { + prev = curr; + next = curr->next; + } + } +} + + +/** + * Unbind context from surface. + */ +static void +unbind_context_surface(struct surface_context_tracker *sct, + struct pipe_context *context, + struct pipe_surface *surface) +{ + struct sct_surface *si = find_surface_info(sct, surface); + if (si) { + remove_context_from_surface(si, context); + } +} + + +/** + * Bind context to a set of surfaces (color + Z). + * Like MakeCurrent(). + */ +void +sct_bind_surfaces(struct surface_context_tracker *sct, + struct pipe_context *context, + uint num_surf, + struct pipe_surface **surfaces) +{ + struct sct_context *ci = find_create_context_info(sct, context); + uint i; + + if (!ci) { + return; /* out of memory */ + } + + /* unbind currently bound surfaces */ + for (i = 0; i < MAX_SURFACES; i++) { + if (ci->surfaces[i]) { + unbind_context_surface(sct, context, ci->surfaces[i]); + } + } + + /* bind new surfaces */ + for (i = 0; i < num_surf; i++) { + struct sct_surface *si = find_create_surface_info(sct, surfaces[i]); + if (!find_surface_context(si, context)) { + add_context_to_surface(si, context); + } + } +} + + +/** + * Return list of contexts bound to a surface. + */ +const struct sct_context_list * +sct_get_surface_contexts(struct surface_context_tracker *sct, + const struct pipe_surface *surface) +{ + const struct sct_surface *si = find_surface_info(sct, surface); + return si->contexts; +} + + + +static boolean +find_texture(const struct sct_context *ci, + const struct pipe_texture *texture) +{ + const struct texture_list *tl; + + for (tl = ci->textures_used; tl; tl = tl->next) { + if (tl->texture == texture) { + return TRUE; + } + } + return FALSE; +} + + +/** + * Add the given texture to the context's list of used textures. + */ +static void +add_texture_used(struct sct_context *ci, + struct pipe_texture *texture) +{ + if (!find_texture(ci, texture)) { + /* add to list */ + struct texture_list *tl = CALLOC_STRUCT(texture_list); + if (tl) { + pipe_texture_reference(&tl->texture, texture); + /* insert at head */ + tl->next = ci->textures_used; + ci->textures_used = tl; + } + } +} + + +/** + * Bind a texture to a rendering context. + */ +void +sct_bind_texture(struct surface_context_tracker *sct, + struct pipe_context *context, + uint unit, + struct pipe_texture *tex) +{ + struct sct_context *ci = find_context_info(sct, context); + + if (ci->textures[unit] != tex) { + /* put texture on the 'used' list */ + add_texture_used(ci, tex); + /* bind new */ + pipe_texture_reference(&ci->textures[unit], tex); + } +} + + +/** + * Check if the given texture has been used by the rendering context + * since the last call to sct_flush_textures(). + */ +boolean +sct_is_texture_used(struct surface_context_tracker *sct, + const struct pipe_context *context, + const struct pipe_texture *texture) +{ + const struct sct_context *ci = find_context_info(sct, context); + return find_texture(ci, texture); +} + + +/** + * To be called when the image contents of a texture are changed, such + * as for gl[Copy]TexSubImage(). + * XXX this may not be needed + */ +void +sct_update_texture(struct pipe_texture *tex) +{ + +} + + +/** + * When a scene is flushed/rendered we can release the list of + * used textures. + */ +void +sct_flush_textures(struct surface_context_tracker *sct, + struct pipe_context *context) +{ + struct sct_context *ci = find_context_info(sct, context); + struct texture_list *tl, *next; + uint i; + + for (tl = ci->textures_used; tl; tl = next) { + next = tl->next; + pipe_texture_release(&tl->texture); + FREE(tl); + } + ci->textures_used = NULL; + + /* put the currently bound textures on the 'used' list */ + for (i = 0; i < PIPE_MAX_SAMPLERS; i++) { + add_texture_used(ci, ci->textures[i]); + } +} + + + +void +sct_destroy_context(struct surface_context_tracker *sct, + struct pipe_context *context) +{ + /* XXX should we require an unbinding first? */ + { + struct sct_surface *si; + for (si = sct->surfaces; si; si = si->next) { + remove_context_from_surface(si, context); + } + } + + /* remove context from context_info list */ + { + struct sct_context *ci, *next, *prev = NULL; + for (ci = sct->contexts; ci; ci = next) { + next = ci->next; + if (ci->context == context) { + if (prev) + prev->next = ci->next; + else + sct->contexts = ci->next; + FREE(ci); + } + else { + prev = ci; + } + } + } + +} + + +void +sct_destroy_surface(struct surface_context_tracker *sct, + struct pipe_surface *surface) +{ + if (1) { + /* debug/sanity: no context should be bound to surface */ + struct sct_context *ci; + uint i; + for (ci = sct->contexts; ci; ci = ci->next) { + for (i = 0; i < MAX_SURFACES; i++) { + assert(ci->surfaces[i] != surface); + } + } + } + + /* remove surface from sct_surface list */ + { + struct sct_surface *si, *next, *prev = NULL; + for (si = sct->surfaces; si; si = next) { + next = si->next; + if (si->surface == surface) { + /* unlink */ + if (prev) + prev->next = si->next; + else + sct->surfaces = si->next; + FREE(si); + } + else { + prev = si; + } + } + } +} |