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/mesa/drivers/x11/xm_surface.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/mesa/drivers/x11/xm_surface.c')
-rw-r--r-- | src/mesa/drivers/x11/xm_surface.c | 251 |
1 files changed, 251 insertions, 0 deletions
diff --git a/src/mesa/drivers/x11/xm_surface.c b/src/mesa/drivers/x11/xm_surface.c new file mode 100644 index 0000000000..a3f2fe7d68 --- /dev/null +++ b/src/mesa/drivers/x11/xm_surface.c @@ -0,0 +1,251 @@ +/* + * Mesa 3-D graphics library + * Version: 7.1 + * + * Copyright (C) 1999-2007 Brian Paul 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, sublicense, + * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL 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. + */ + + +/** + * \file xm_surface.c + * Code to allow the softpipe code to write to X windows/buffers. + * This is a bit of a hack for now. We've basically got two different + * abstractions for color buffers: gl_renderbuffer and pipe_surface. + * They'll need to get merged someday... + * For now, they're separate things that point to each other. + */ + + +#include "glxheader.h" +#include "GL/xmesa.h" +#include "xmesaP.h" +#include "context.h" +#include "imports.h" +#include "macros.h" +#include "framebuffer.h" +#include "renderbuffer.h" + +#include "pipe/p_context.h" +#include "pipe/p_defines.h" +#include "pipe/p_winsys.h" +#include "softpipe/sp_context.h" +#include "softpipe/sp_clear.h" +#include "softpipe/sp_tile_cache.h" +#include "softpipe/sp_surface.h" +#include "state_tracker/st_context.h" + + +#define CLIP_TILE \ + do { \ + if (x + w > ps->width) \ + w = ps->width - x; \ + if (y + h > ps->height) \ + h = ps->height -y; \ + } while(0) + + +static INLINE struct xmesa_surface * +xmesa_surface(struct pipe_surface *ps) +{ + return (struct xmesa_surface *) ps; +} + + +static INLINE struct xmesa_renderbuffer * +xmesa_rb(struct pipe_surface *ps) +{ + struct xmesa_surface *xms = xmesa_surface(ps); + return xms->xrb; +} + + +#define FLIP(Y) Y = xrb->St.Base.Height - (Y) - 1; + + +void +xmesa_get_tile_rgba(struct pipe_context *pipe, struct pipe_surface *ps, + uint x, uint y, uint w, uint h, float *p) +{ + struct xmesa_surface *xms = xmesa_surface(ps); + struct xmesa_renderbuffer *xrb = xms->xrb; + + if (xrb) { + /* this is a front/back color buffer */ + GLubyte tmp[MAX_WIDTH * 4]; + GLuint i, j; + uint w0 = w; + GET_CURRENT_CONTEXT(ctx); + + CLIP_TILE; + + FLIP(y); + for (i = 0; i < h; i++) { + xrb->St.Base.GetRow(ctx, &xrb->St.Base, w, x, y - i, tmp); + for (j = 0; j < w * 4; j++) { + p[j] = UBYTE_TO_FLOAT(tmp[j]); + } + p += w0 * 4; + } + } + else { + /* other softpipe surface */ + softpipe_get_tile_rgba(ps, x, y, w, h, p); + } +} + + +void +xmesa_put_tile_rgba(struct pipe_context *pipe, struct pipe_surface *ps, + uint x, uint y, uint w, uint h, const float *p) +{ + struct xmesa_surface *xms = xmesa_surface(ps); + struct xmesa_renderbuffer *xrb = xms->xrb; + + if (xrb) { + /* this is a front/back color buffer */ + GLubyte tmp[MAX_WIDTH * 4]; + GLuint i, j; + uint w0 = w; + GET_CURRENT_CONTEXT(ctx); + CLIP_TILE; + FLIP(y); + for (i = 0; i < h; i++) { + for (j = 0; j < w * 4; j++) { + UNCLAMPED_FLOAT_TO_UBYTE(tmp[j], p[j]); + } + xrb->St.Base.PutRow(ctx, &xrb->St.Base, w, x, y - i, tmp, NULL); + p += w0 * 4; + } +#if 0 /* debug: flush */ + { + XMesaContext xm = XMESA_CONTEXT(ctx); + XSync(xm->display, 0); + } +#endif + } + else { + /* other softpipe surface */ + softpipe_put_tile_rgba(ps, x, y, w, h, p); + } +} + + + +/** + * Called to create a pipe_surface for each X renderbuffer. + * Note: this is being used instead of pipe->surface_alloc() since we + * have special/unique quad read/write functions for X. + */ +struct pipe_surface * +xmesa_new_color_surface(struct pipe_context *pipe, GLuint pipeFormat) +{ + struct xmesa_surface *xms = CALLOC_STRUCT(xmesa_surface); + + assert(pipeFormat); + + xms->surface.format = pipeFormat; + xms->surface.refcount = 1; + + /* Note, the region we allocate doesn't actually have any storage + * since we're drawing into an XImage or Pixmap. + * The region's size will get set in the xmesa_alloc_front/back_storage() + * functions. + */ + if (pipe) + xms->surface.region = pipe->winsys->region_alloc(pipe->winsys, + 1, 0, 0, 0x0); + + return &xms->surface; +} + + +/** + * Called via pipe->surface_alloc() to create new surfaces (textures, + * renderbuffers, etc. + */ +struct pipe_surface * +xmesa_surface_alloc(struct pipe_context *pipe, GLuint pipeFormat) +{ + struct xmesa_surface *xms = CALLOC_STRUCT(xmesa_surface); + + assert(pipe); + assert(pipeFormat); + + xms->surface.format = pipeFormat; + xms->surface.refcount = 1; + + return &xms->surface; +} + + +boolean +xmesa_is_format_supported(struct pipe_context *pipe, uint format) +{ + switch( format ) { + case PIPE_FORMAT_U_A8_R8_G8_B8: + case PIPE_FORMAT_S_R16_G16_B16_A16: + case PIPE_FORMAT_S8_Z24: + return TRUE; + }; + return FALSE; +} + + +/** + * Called via pipe->clear() + */ +void +xmesa_clear(struct pipe_context *pipe, struct pipe_surface *ps, GLuint value) +{ + struct xmesa_renderbuffer *xrb = xmesa_rb(ps); + + /* XXX actually, we should just discard any cached tiles from this + * surface since we don't want to accidentally re-use them after clearing. + */ + pipe->flush(pipe, 0); + + { + struct softpipe_context *sp = softpipe_context(pipe); + if (ps == sp_tile_cache_get_surface(sp->cbuf_cache[0])) { + float clear[4]; + clear[0] = 0.2; /* XXX hack */ + clear[1] = 0.2; + clear[2] = 0.2; + clear[3] = 0.2; + sp_tile_cache_clear(sp->cbuf_cache[0], clear); + } + } + + if (xrb && xrb->ximage) { + /* clearing back color buffer */ + GET_CURRENT_CONTEXT(ctx); + xmesa_clear_buffers(ctx, BUFFER_BIT_BACK_LEFT); + } + else if (xrb && xrb->pixmap) { + /* clearing front color buffer */ + GET_CURRENT_CONTEXT(ctx); + xmesa_clear_buffers(ctx, BUFFER_BIT_FRONT_LEFT); + } + else { + /* clearing other buffer */ + softpipe_clear(pipe, ps, value); + } +} + |