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Diffstat (limited to 'src/mesa/pipe/i965simple/brw_sf_state.c')
-rw-r--r--src/mesa/pipe/i965simple/brw_sf_state.c236
1 files changed, 236 insertions, 0 deletions
diff --git a/src/mesa/pipe/i965simple/brw_sf_state.c b/src/mesa/pipe/i965simple/brw_sf_state.c
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+++ b/src/mesa/pipe/i965simple/brw_sf_state.c
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+/*
+ Copyright (C) Intel Corp. 2006. All Rights Reserved.
+ Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
+ develop this 3D driver.
+
+ 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 (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 NONINFRINGEMENT.
+ IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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 "brw_context.h"
+#include "brw_state.h"
+#include "brw_defines.h"
+
+#if 0
+static void upload_sf_vp(struct brw_context *brw)
+{
+ GLcontext *ctx = &brw->intel.ctx;
+ struct brw_sf_viewport sfv;
+ struct intel_renderbuffer *irb =
+ intel_renderbuffer(ctx->DrawBuffer->_ColorDrawBuffers[0][0]);
+ float y_scale, y_bias;
+ int x, y, w, h, x1, x2, y1, y2;
+ int draw_h = ctx->DrawBuffer->Height;
+
+ memset(&sfv, 0, sizeof(sfv));
+
+ if (ctx->DrawBuffer->Name) {
+ /* User-created FBO */
+ if (irb && !irb->RenderToTexture) {
+ y_scale = -1.0;
+ y_bias = draw_h;
+ } else {
+ y_scale = 1.0;
+ y_bias = 0;
+ }
+ } else {
+ if (brw->intel.driDrawable != NULL) {
+ y_scale = -1.0;
+ y_bias = draw_h;
+ } else {
+ y_scale = 1.0;
+ y_bias = 0;
+ }
+ }
+
+ /* _NEW_VIEWPORT, BRW_NEW_METAOPS */
+
+ if (!brw->metaops.active) {
+ const float *v = brw->intel.ctx.Viewport._WindowMap.m;
+
+ sfv.viewport.m00 = v[MAT_SX];
+ sfv.viewport.m11 = v[MAT_SY] * y_scale;
+ sfv.viewport.m22 = v[MAT_SZ] * brw->intel.depth_scale;
+ sfv.viewport.m30 = v[MAT_TX];
+ sfv.viewport.m31 = v[MAT_TY] * y_scale + y_bias;
+ sfv.viewport.m32 = v[MAT_TZ] * brw->intel.depth_scale;
+ } else {
+ sfv.viewport.m00 = 1;
+ sfv.viewport.m11 = - 1;
+ sfv.viewport.m22 = 1;
+ sfv.viewport.m30 = 0;
+ sfv.viewport.m31 = brw->intel.driDrawable->h;
+ sfv.viewport.m32 = 0;
+ }
+
+ /* _NEW_SCISSOR */
+ x = brw->attribs.Scissor->X;
+ y = brw->attribs.Scissor->Y;
+ w = brw->attribs.Scissor->Width;
+ h = brw->attribs.Scissor->Height;
+
+ if (ctx->DrawBuffer->Name == 0) {
+ x1 = x;
+ y1 = draw_h - (y + h);
+ x2 = x + w - 1;
+ y2 = y1 + h - 1;
+ } else {
+ /* FBO has non-inverted coords. */
+ x1 = x;
+ y1 = y;
+ x2 = x + w - 1;
+ y2 = y + h - 1;
+ }
+
+ sfv.scissor.xmin = CLAMP(x1, 0, ctx->DrawBuffer->Width - 1);
+ sfv.scissor.xmax = CLAMP(y1, 0, ctx->DrawBuffer->Height - 1);
+ sfv.scissor.ymin = CLAMP(x2, 0, ctx->DrawBuffer->Width - 1);
+ sfv.scissor.ymax = CLAMP(y2, 0, ctx->DrawBuffer->Height - 1);
+
+ brw->sf.vp_gs_offset = brw_cache_data( &brw->cache[BRW_SF_VP], &sfv );
+}
+
+const struct brw_tracked_state brw_sf_vp = {
+ .dirty = {
+ .mesa = (_NEW_VIEWPORT |
+ _NEW_SCISSOR),
+ .brw = BRW_NEW_METAOPS,
+ .cache = 0
+ },
+ .update = upload_sf_vp
+};
+
+static void upload_sf_unit( struct brw_context *brw )
+{
+ struct brw_sf_unit_state sf;
+ memset(&sf, 0, sizeof(sf));
+
+ /* CACHE_NEW_SF_PROG */
+ sf.thread0.grf_reg_count = ALIGN(brw->sf.prog_data->total_grf, 16) / 16 - 1;
+ sf.thread0.kernel_start_pointer = brw->sf.prog_gs_offset >> 6;
+ sf.thread3.urb_entry_read_length = brw->sf.prog_data->urb_read_length;
+
+ sf.thread1.floating_point_mode = BRW_FLOATING_POINT_NON_IEEE_754;
+ sf.thread3.dispatch_grf_start_reg = 3;
+ sf.thread3.urb_entry_read_offset = 1;
+
+ /* BRW_NEW_URB_FENCE */
+ sf.thread4.nr_urb_entries = brw->urb.nr_sf_entries;
+ sf.thread4.urb_entry_allocation_size = brw->urb.sfsize - 1;
+ sf.thread4.max_threads = MIN2(12, brw->urb.nr_sf_entries / 2) - 1;
+
+ if (BRW_DEBUG & DEBUG_SINGLE_THREAD)
+ sf.thread4.max_threads = 0;
+
+ if (BRW_DEBUG & DEBUG_STATS)
+ sf.thread4.stats_enable = 1;
+
+ /* CACHE_NEW_SF_VP */
+ sf.sf5.sf_viewport_state_offset = brw->sf.vp_gs_offset >> 5;
+
+ sf.sf5.viewport_transform = 1;
+
+ /* _NEW_SCISSOR */
+ if (brw->attribs.Scissor->Enabled)
+ sf.sf6.scissor = 1;
+
+ /* _NEW_POLYGON */
+ if (brw->attribs.Polygon->FrontFace == GL_CCW)
+ sf.sf5.front_winding = BRW_FRONTWINDING_CCW;
+ else
+ sf.sf5.front_winding = BRW_FRONTWINDING_CW;
+
+ if (brw->attribs.Polygon->CullFlag) {
+ switch (brw->attribs.Polygon->CullFaceMode) {
+ case GL_FRONT:
+ sf.sf6.cull_mode = BRW_CULLMODE_FRONT;
+ break;
+ case GL_BACK:
+ sf.sf6.cull_mode = BRW_CULLMODE_BACK;
+ break;
+ case GL_FRONT_AND_BACK:
+ sf.sf6.cull_mode = BRW_CULLMODE_BOTH;
+ break;
+ default:
+ assert(0);
+ break;
+ }
+ }
+ else
+ sf.sf6.cull_mode = BRW_CULLMODE_NONE;
+
+
+ /* _NEW_LINE */
+ /* XXX use ctx->Const.Min/MaxLineWidth here */
+ sf.sf6.line_width = CLAMP(brw->attribs.Line->Width, 1.0, 5.0) * (1<<1);
+
+ sf.sf6.line_endcap_aa_region_width = 1;
+ if (brw->attribs.Line->SmoothFlag)
+ sf.sf6.aa_enable = 1;
+ else if (sf.sf6.line_width <= 0x2)
+ sf.sf6.line_width = 0;
+
+ /* _NEW_POINT */
+ sf.sf6.point_rast_rule = 1; /* opengl conventions */
+ /* XXX clamp max depends on AA vs. non-AA */
+
+ sf.sf7.sprite_point = brw->attribs.Point->PointSprite;
+ sf.sf7.point_size = CLAMP(brw->attribs.Point->Size, 1.0, 255.0) * (1<<3);
+ sf.sf7.use_point_size_state = !brw->attribs.Point->_Attenuated;
+
+ /* might be BRW_NEW_PRIMITIVE if we have to adjust pv for polygons:
+ */
+ sf.sf7.trifan_pv = 2;
+ sf.sf7.linestrip_pv = 1;
+ sf.sf7.tristrip_pv = 2;
+ sf.sf7.line_last_pixel_enable = 0;
+
+ /* Set bias for OpenGL rasterization rules:
+ */
+ sf.sf6.dest_org_vbias = 0x8;
+ sf.sf6.dest_org_hbias = 0x8;
+
+ brw->sf.state_gs_offset = brw_cache_data( &brw->cache[BRW_SF_UNIT], &sf );
+}
+
+
+const struct brw_tracked_state brw_sf_unit = {
+ .dirty = {
+ .mesa = (_NEW_POLYGON |
+ _NEW_LINE |
+ _NEW_POINT |
+ _NEW_SCISSOR),
+ .brw = (BRW_NEW_URB_FENCE |
+ BRW_NEW_METAOPS),
+ .cache = (CACHE_NEW_SF_VP |
+ CACHE_NEW_SF_PROG)
+ },
+ .update = upload_sf_unit
+};
+
+
+#endif
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