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authorKeith Whitwell <keith@tungstengraphics.com>2008-09-11 16:05:15 +0100
committerKeith Whitwell <keith@tungstengraphics.com>2008-09-11 16:05:15 +0100
commit0397b2bb41b0f337af2949a15bcd7d0e7e8a7dc1 (patch)
tree732c93d74ed806942a13bf15575a61aa4f001253 /src/mesa/state_tracker/st_atom_rasterizer.c
parent80af50b35b5a4e8890e15b28940576f8a1ac1476 (diff)
parente6887a5752774c18cf527477fdd3e57e4893ff3b (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/state_tracker/st_atom_rasterizer.c')
-rw-r--r--src/mesa/state_tracker/st_atom_rasterizer.c283
1 files changed, 283 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_atom_rasterizer.c b/src/mesa/state_tracker/st_atom_rasterizer.c
new file mode 100644
index 0000000000..e286dc5116
--- /dev/null
+++ b/src/mesa/state_tracker/st_atom_rasterizer.c
@@ -0,0 +1,283 @@
+/**************************************************************************
+ *
+ * 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 <keith@tungstengraphics.com>
+ */
+
+#include "main/macros.h"
+#include "st_context.h"
+#include "st_atom.h"
+#include "pipe/p_context.h"
+#include "pipe/p_defines.h"
+#include "cso_cache/cso_context.h"
+
+
+static GLuint translate_fill( GLenum mode )
+{
+ switch (mode) {
+ case GL_POINT:
+ return PIPE_POLYGON_MODE_POINT;
+ case GL_LINE:
+ return PIPE_POLYGON_MODE_LINE;
+ case GL_FILL:
+ return PIPE_POLYGON_MODE_FILL;
+ default:
+ assert(0);
+ return 0;
+ }
+}
+
+static GLboolean get_offset_flag( GLuint fill_mode,
+ const struct gl_polygon_attrib *p )
+{
+ switch (fill_mode) {
+ case PIPE_POLYGON_MODE_POINT:
+ return p->OffsetPoint;
+ case PIPE_POLYGON_MODE_LINE:
+ return p->OffsetLine;
+ case PIPE_POLYGON_MODE_FILL:
+ return p->OffsetFill;
+ default:
+ assert(0);
+ return 0;
+ }
+}
+
+
+static void update_raster_state( struct st_context *st )
+{
+ GLcontext *ctx = st->ctx;
+ struct pipe_rasterizer_state *raster = &st->state.rasterizer;
+ const struct gl_vertex_program *vertProg = ctx->VertexProgram._Current;
+ uint i;
+
+ memset(raster, 0, sizeof(*raster));
+
+ raster->origin_lower_left = 1; /* Always true for OpenGL */
+
+ /* _NEW_POLYGON, _NEW_BUFFERS
+ */
+ {
+ if (ctx->Polygon.FrontFace == GL_CCW)
+ raster->front_winding = PIPE_WINDING_CCW;
+ else
+ raster->front_winding = PIPE_WINDING_CW;
+
+ /* XXX
+ * I think the intention here is that user-created framebuffer objects
+ * use Y=0=TOP layout instead of OpenGL's normal Y=0=bottom layout.
+ * Flipping Y changes CW to CCW and vice-versa.
+ * But this is an implementation/driver-specific artifact - remove...
+ */
+ if (ctx->DrawBuffer && ctx->DrawBuffer->Name != 0)
+ raster->front_winding ^= PIPE_WINDING_BOTH;
+ }
+
+ /* _NEW_LIGHT
+ */
+ if (ctx->Light.ShadeModel == GL_FLAT)
+ raster->flatshade = 1;
+
+ /* _NEW_LIGHT | _NEW_PROGRAM
+ *
+ * Back-face colors can come from traditional lighting (when
+ * GL_LIGHT_MODEL_TWO_SIDE is set) or from vertex programs (when
+ * GL_VERTEX_PROGRAM_TWO_SIDE is set). Note the logic here.
+ */
+ if (ctx->VertexProgram._Current) {
+ if (ctx->VertexProgram._Enabled) {
+ /* user-defined program */
+ raster->light_twoside = ctx->VertexProgram.TwoSideEnabled;
+ }
+ else {
+ /* TNL-generated program */
+ raster->light_twoside = ctx->Light.Enabled && ctx->Light.Model.TwoSide;
+ }
+ }
+ else if (ctx->Light.Enabled && ctx->Light.Model.TwoSide) {
+ raster->light_twoside = 1;
+ }
+
+ /* _NEW_POLYGON
+ */
+ if (ctx->Polygon.CullFlag) {
+ if (ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK) {
+ raster->cull_mode = PIPE_WINDING_BOTH;
+ }
+ else if (ctx->Polygon.CullFaceMode == GL_FRONT) {
+ raster->cull_mode = raster->front_winding;
+ }
+ else {
+ raster->cull_mode = raster->front_winding ^ PIPE_WINDING_BOTH;
+ }
+ }
+
+ /* _NEW_POLYGON
+ */
+ {
+ GLuint fill_front = translate_fill( ctx->Polygon.FrontMode );
+ GLuint fill_back = translate_fill( ctx->Polygon.BackMode );
+
+ if (raster->front_winding == PIPE_WINDING_CW) {
+ raster->fill_cw = fill_front;
+ raster->fill_ccw = fill_back;
+ }
+ else {
+ raster->fill_cw = fill_back;
+ raster->fill_ccw = fill_front;
+ }
+
+ /* Simplify when culling is active:
+ */
+ if (raster->cull_mode & PIPE_WINDING_CW) {
+ raster->fill_cw = raster->fill_ccw;
+ }
+
+ if (raster->cull_mode & PIPE_WINDING_CCW) {
+ raster->fill_ccw = raster->fill_cw;
+ }
+ }
+
+ /* _NEW_POLYGON
+ */
+ if (ctx->Polygon.OffsetUnits != 0.0 ||
+ ctx->Polygon.OffsetFactor != 0.0) {
+ raster->offset_cw = get_offset_flag( raster->fill_cw, &ctx->Polygon );
+ raster->offset_ccw = get_offset_flag( raster->fill_ccw, &ctx->Polygon );
+ raster->offset_units = ctx->Polygon.OffsetUnits;
+ raster->offset_scale = ctx->Polygon.OffsetFactor;
+ }
+
+ if (ctx->Polygon.SmoothFlag)
+ raster->poly_smooth = 1;
+
+ if (ctx->Polygon.StippleFlag)
+ raster->poly_stipple_enable = 1;
+
+
+ /* _NEW_BUFFERS, _NEW_POLYGON
+ */
+ if (raster->fill_cw != PIPE_POLYGON_MODE_FILL ||
+ raster->fill_ccw != PIPE_POLYGON_MODE_FILL)
+ {
+ GLfloat mrd = (ctx->DrawBuffer ?
+ ctx->DrawBuffer->_MRD :
+ 1.0f);
+
+ raster->offset_units = ctx->Polygon.OffsetFactor * mrd;
+ raster->offset_scale = (ctx->Polygon.OffsetUnits * mrd *
+ st->polygon_offset_scale);
+ }
+
+ /* _NEW_POINT
+ */
+ raster->point_size = ctx->Point.Size;
+
+ raster->point_size_min = 0; /* temporary, will go away */
+ raster->point_size_max = 1000; /* temporary, will go away */
+
+ raster->point_smooth = ctx->Point.SmoothFlag;
+ raster->point_sprite = ctx->Point.PointSprite;
+ for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++) {
+ if (ctx->Point.CoordReplace[i]) {
+ if (ctx->Point.SpriteOrigin == GL_UPPER_LEFT)
+ raster->sprite_coord_mode[i] = PIPE_SPRITE_COORD_UPPER_LEFT;
+ else
+ raster->sprite_coord_mode[i] = PIPE_SPRITE_COORD_LOWER_LEFT;
+ }
+ else {
+ raster->sprite_coord_mode[i] = PIPE_SPRITE_COORD_NONE;
+ }
+ }
+ if (vertProg) {
+ if (vertProg->Base.Id == 0) {
+ if (vertProg->Base.OutputsWritten & (1 << VERT_RESULT_PSIZ)) {
+ /* generated program which emits point size */
+ raster->point_size_per_vertex = TRUE;
+ }
+ }
+ else if (ctx->VertexProgram.PointSizeEnabled) {
+ /* user-defined program and GL_VERTEX_PROGRAM_POINT_SIZE set */
+ raster->point_size_per_vertex = ctx->VertexProgram.PointSizeEnabled;
+ }
+ }
+ if (!raster->point_size_per_vertex) {
+ /* clamp size now */
+ raster->point_size = CLAMP(ctx->Point.Size,
+ ctx->Point.MinSize,
+ ctx->Point.MaxSize);
+ }
+
+ /* _NEW_LINE
+ */
+ raster->line_smooth = ctx->Line.SmoothFlag;
+ if (ctx->Line.SmoothFlag) {
+ raster->line_width = CLAMP(ctx->Line.Width,
+ ctx->Const.MinLineWidthAA,
+ ctx->Const.MaxLineWidthAA);
+ }
+ else {
+ raster->line_width = CLAMP(ctx->Line.Width,
+ ctx->Const.MinLineWidth,
+ ctx->Const.MaxLineWidth);
+ }
+
+ raster->line_stipple_enable = ctx->Line.StippleFlag;
+ raster->line_stipple_pattern = ctx->Line.StipplePattern;
+ /* GL stipple factor is in [1,256], remap to [0, 255] here */
+ raster->line_stipple_factor = ctx->Line.StippleFactor - 1;
+
+ /* _NEW_MULTISAMPLE */
+ if (ctx->Multisample._Enabled)
+ raster->multisample = 1;
+
+ /* _NEW_SCISSOR */
+ if (ctx->Scissor.Enabled)
+ raster->scissor = 1;
+
+ raster->gl_rasterization_rules = 1;
+
+ cso_set_rasterizer(st->cso_context, raster);
+}
+
+const struct st_tracked_state st_update_rasterizer = {
+ "st_update_rasterizer", /* name */
+ {
+ (_NEW_BUFFERS |
+ _NEW_LIGHT |
+ _NEW_LINE |
+ _NEW_MULTISAMPLE |
+ _NEW_POINT |
+ _NEW_POLYGON |
+ _NEW_PROGRAM |
+ _NEW_SCISSOR), /* mesa state dependencies*/
+ 0, /* state tracker dependencies */
+ },
+ update_raster_state /* update function */
+};