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Diffstat (limited to 'src/mesa/drivers/dri/nouveau/nv40_tris.c')
-rw-r--r--src/mesa/drivers/dri/nouveau/nv40_tris.c738
1 files changed, 738 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nv40_tris.c b/src/mesa/drivers/dri/nouveau/nv40_tris.c
new file mode 100644
index 0000000000..6550928c2f
--- /dev/null
+++ b/src/mesa/drivers/dri/nouveau/nv40_tris.c
@@ -0,0 +1,738 @@
+/*
+ * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
+ * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
+ * Copyright 2006 Stephane Marchesin. 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
+ * VIA, S3 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 <stdio.h>
+#include <math.h>
+
+#include "glheader.h"
+#include "context.h"
+#include "mtypes.h"
+#include "macros.h"
+#include "colormac.h"
+#include "enums.h"
+
+#include "swrast/swrast.h"
+#include "swrast_setup/swrast_setup.h"
+#include "tnl/t_context.h"
+#include "tnl/t_pipeline.h"
+
+#include "nouveau_tris.h"
+#include "nv40_tris.h"
+#include "nouveau_context.h"
+#include "nouveau_state.h"
+#include "nouveau_span.h"
+#include "nouveau_ioctl.h"
+#include "nouveau_3d_reg.h"
+#include "nouveau_tex.h"
+
+/* hack for now */
+#define channel 1
+
+
+/***********************************************************************
+ * Emit primitives as inline vertices *
+ ***********************************************************************/
+#define LINE_FALLBACK (0)
+#define POINT_FALLBACK (0)
+#define TRI_FALLBACK (0)
+#define ANY_FALLBACK_FLAGS (POINT_FALLBACK|LINE_FALLBACK|TRI_FALLBACK)
+#define ANY_RASTER_FLAGS (DD_TRI_LIGHT_TWOSIDE|DD_TRI_OFFSET|DD_TRI_UNFILLED)
+
+
+#define COPY_DWORDS(vb, vertsize, v) \
+ do { \
+ int j; \
+ for (j = 0; j < vertsize; j++) \
+ vb[j] = ((GLuint *)v)[j]; \
+ vb += vertsize; \
+ } while (0)
+#endif
+
+/* the free room we want before we start a vertex batch */
+#define NV40_MIN_PRIM_SIZE (32/4)
+
+static inline void nv40StartPrimitive(struct nouveau_context* nmesa)
+{
+ BEGIN_RING_SIZE(channel,0x1808,1);
+ OUT_RING(nmesa->current_primitive);
+ BEGIN_RING_PRIM(channel,0x1818,NV40_MIN_PRIM_SIZE);
+}
+
+static inline void nv40FinishPrimitive(struct nouveau_context *nmesa)
+{
+ FINISH_RING_PRIM();
+ BEGIN_RING_SIZE(channel,0x1808,1);
+ OUT_RING(0x0);
+ FIRE_RING();
+}
+
+
+static inline void nv40ExtendPrimitive(struct nouveau_context* nmesa, int size)
+{
+ /* when the fifo has enough stuff (2048 bytes) or there is not enough room, fire */
+ if ((RING_AHEAD()>=2048/4)||(RING_AVAILABLE()<size/4))
+ {
+ nv40FinishPrimitive(nmesa);
+ nv40StartPrimitive(nmesa);
+ }
+
+ /* make sure there's enough room. if not, wait */
+ if (RING_AVAILABLE()<size/4)
+ {
+ WAIT_RING(nmesa,size);
+ }
+}
+
+static inline void nv40_draw_quad(struct nouveau_context *nmesa,
+ nouveauVertexPtr v0,
+ nouveauVertexPtr v1,
+ nouveauVertexPtr v2,
+ nouveauVertexPtr v3)
+{
+ GLuint vertsize = nmesa->vertexSize;
+ GLuint *vb = nv40ExtendPrimitive(nmesa, 4 * 4 * vertsize);
+
+ COPY_DWORDS(vb, vertsize, v0);
+ COPY_DWORDS(vb, vertsize, v1);
+ COPY_DWORDS(vb, vertsize, v2);
+ COPY_DWORDS(vb, vertsize, v3);
+}
+
+static inline void nv40_draw_triangle(struct nouveau_context *nmesa,
+ nouveauVertexPtr v0,
+ nouveauVertexPtr v1,
+ nouveauVertexPtr v2)
+{
+ GLuint vertsize = nmesa->vertexSize;
+ GLuint *vb = nv40ExtendPrimitive(nmesa, 3 * 4 * vertsize);
+
+ COPY_DWORDS(vb, vertsize, v0);
+ COPY_DWORDS(vb, vertsize, v1);
+ COPY_DWORDS(vb, vertsize, v2);
+}
+
+static inline void nouveau_draw_line(struct nouveau_context *nmesa,
+ nouveauVertexPtr v0,
+ nouveauVertexPtr v1)
+{
+ GLuint vertsize = nmesa->vertexSize;
+ GLuint *vb = nv40ExtendPrimitive(nmesa, 2 * 4 * vertsize);
+ COPY_DWORDS(vb, vertsize, v0);
+ COPY_DWORDS(vb, vertsize, v1);
+}
+
+static inline void nouveau_draw_point(struct nouveau_context *nmesa,
+ nouveauVertexPtr v0)
+{
+ GLuint vertsize = nmesa->vertexSize;
+ GLuint *vb = nv40ExtendPrimitive(nmesa, 4 * vertsize);
+ COPY_DWORDS(vb, vertsize, v0);
+}
+
+
+/***********************************************************************
+ * Macros for nouveau_dd_tritmp.h to draw basic primitives *
+ ***********************************************************************/
+
+#define TRI(a, b, c) \
+ do { \
+ if (DO_FALLBACK) \
+ nmesa->draw_tri(nmesa, a, b, c); \
+ else \
+ nouveau_draw_triangle(nmesa, a, b, c); \
+ } while (0)
+
+#define QUAD(a, b, c, d) \
+ do { \
+ if (DO_FALLBACK) { \
+ nmesa->draw_tri(nmesa, a, b, d); \
+ nmesa->draw_tri(nmesa, b, c, d); \
+ } \
+ else \
+ nouveau_draw_quad(nmesa, a, b, c, d); \
+ } while (0)
+
+#define LINE(v0, v1) \
+ do { \
+ if (DO_FALLBACK) \
+ nmesa->draw_line(nmesa, v0, v1); \
+ else \
+ nouveau_draw_line(nmesa, v0, v1); \
+ } while (0)
+
+#define POINT(v0) \
+ do { \
+ if (DO_FALLBACK) \
+ nmesa->draw_point(nmesa, v0); \
+ else \
+ nouveau_draw_point(nmesa, v0); \
+ } while (0)
+
+
+/***********************************************************************
+ * Build render functions from dd templates *
+ ***********************************************************************/
+
+#define NOUVEAU_OFFSET_BIT 0x01
+#define NOUVEAU_TWOSIDE_BIT 0x02
+#define NOUVEAU_UNFILLED_BIT 0x04
+#define NOUVEAU_FALLBACK_BIT 0x08
+#define NOUVEAU_MAX_TRIFUNC 0x10
+
+
+static struct {
+ tnl_points_func points;
+ tnl_line_func line;
+ tnl_triangle_func triangle;
+ tnl_quad_func quad;
+} rast_tab[NOUVEAU_MAX_TRIFUNC + 1];
+
+
+#define DO_FALLBACK (IND & NOUVEAU_FALLBACK_BIT)
+#define DO_OFFSET (IND & NOUVEAU_OFFSET_BIT)
+#define DO_UNFILLED (IND & NOUVEAU_UNFILLED_BIT)
+#define DO_TWOSIDE (IND & NOUVEAU_TWOSIDE_BIT)
+#define DO_FLAT 0
+#define DO_TRI 1
+#define DO_QUAD 1
+#define DO_LINE 1
+#define DO_POINTS 1
+#define DO_FULL_QUAD 1
+
+#define HAVE_RGBA 1
+#define HAVE_SPEC 1
+#define HAVE_BACK_COLORS 0
+#define HAVE_HW_FLATSHADE 1
+#define VERTEX nouveauVertex
+#define TAB rast_tab
+
+/* Only used to pull back colors into vertices (ie, we know color is
+ * floating point).
+ */
+#define NOUVEAU_COLOR(dst, src) \
+ do { \
+ dst[0] = src[2]; \
+ dst[1] = src[1]; \
+ dst[2] = src[0]; \
+ dst[3] = src[3]; \
+ } while (0)
+
+#define NOUVEAU_SPEC(dst, src) \
+ do { \
+ dst[0] = src[2]; \
+ dst[1] = src[1]; \
+ dst[2] = src[0]; \
+ } while (0)
+
+
+#define DEPTH_SCALE nmesa->polygon_offset_scale
+#define UNFILLED_TRI unfilled_tri
+#define UNFILLED_QUAD unfilled_quad
+#define VERT_X(_v) _v->v.x
+#define VERT_Y(_v) _v->v.y
+#define VERT_Z(_v) _v->v.z
+#define AREA_IS_CCW(a) (a > 0)
+#define GET_VERTEX(e) (nmesa->verts + (e * nmesa->vertexSize * sizeof(int)))
+
+#define VERT_SET_RGBA( v, c ) \
+ do { \
+ nouveau_color_t *color = (nouveau_color_t *)&((v)->ui[coloroffset]); \
+ UNCLAMPED_FLOAT_TO_UBYTE(color->red, (c)[0]); \
+ UNCLAMPED_FLOAT_TO_UBYTE(color->green, (c)[1]); \
+ UNCLAMPED_FLOAT_TO_UBYTE(color->blue, (c)[2]); \
+ UNCLAMPED_FLOAT_TO_UBYTE(color->alpha, (c)[3]); \
+ } while (0)
+
+#define VERT_COPY_RGBA( v0, v1 ) v0->ui[coloroffset] = v1->ui[coloroffset]
+
+#define VERT_SET_SPEC( v, c ) \
+ do { \
+ if (specoffset) { \
+ nouveau_color_t *color = (nouveau_color_t *)&((v)->ui[specoffset]); \
+ UNCLAMPED_FLOAT_TO_UBYTE(color->red, (c)[0]); \
+ UNCLAMPED_FLOAT_TO_UBYTE(color->green, (c)[1]); \
+ UNCLAMPED_FLOAT_TO_UBYTE(color->blue, (c)[2]); \
+ } \
+ } while (0)
+#define VERT_COPY_SPEC( v0, v1 ) \
+ do { \
+ if (specoffset) { \
+ v0->ub4[specoffset][0] = v1->ub4[specoffset][0]; \
+ v0->ub4[specoffset][1] = v1->ub4[specoffset][1]; \
+ v0->ub4[specoffset][2] = v1->ub4[specoffset][2]; \
+ } \
+ } while (0)
+
+
+#define VERT_SAVE_RGBA( idx ) color[idx] = v[idx]->ui[coloroffset]
+#define VERT_RESTORE_RGBA( idx ) v[idx]->ui[coloroffset] = color[idx]
+#define VERT_SAVE_SPEC( idx ) if (specoffset) spec[idx] = v[idx]->ui[specoffset]
+#define VERT_RESTORE_SPEC( idx ) if (specoffset) v[idx]->ui[specoffset] = spec[idx]
+
+
+#define LOCAL_VARS(n) \
+ struct nouveau_context *nmesa = NOUVEAU_CONTEXT(ctx); \
+GLuint color[n], spec[n]; \
+GLuint coloroffset = nmesa->coloroffset; \
+GLuint specoffset = nmesa->specoffset; \
+(void)color; (void)spec; (void)coloroffset; (void)specoffset;
+
+
+/***********************************************************************
+ * Helpers for rendering unfilled primitives *
+ ***********************************************************************/
+
+#define RASTERIZE(x) nv40RasterPrimitive( ctx, x, x )
+#define RENDER_PRIMITIVE nmesa->renderPrimitive
+#define TAG(x) x
+#define IND NOUVEAU_FALLBACK_BIT
+#include "tnl_dd/t_dd_unfilled.h"
+#undef IND
+#undef RASTERIZE
+
+/***********************************************************************
+ * Generate GL render functions *
+ ***********************************************************************/
+#define RASTERIZE(x)
+
+#define IND (0)
+#define TAG(x) x
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (NOUVEAU_OFFSET_BIT)
+#define TAG(x) x##_offset
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (NOUVEAU_TWOSIDE_BIT)
+#define TAG(x) x##_twoside
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (NOUVEAU_TWOSIDE_BIT|NOUVEAU_OFFSET_BIT)
+#define TAG(x) x##_twoside_offset
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (NOUVEAU_UNFILLED_BIT)
+#define TAG(x) x##_unfilled
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (NOUVEAU_OFFSET_BIT|NOUVEAU_UNFILLED_BIT)
+#define TAG(x) x##_offset_unfilled
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (NOUVEAU_TWOSIDE_BIT|NOUVEAU_UNFILLED_BIT)
+#define TAG(x) x##_twoside_unfilled
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (NOUVEAU_TWOSIDE_BIT|NOUVEAU_OFFSET_BIT|NOUVEAU_UNFILLED_BIT)
+#define TAG(x) x##_twoside_offset_unfilled
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (NOUVEAU_FALLBACK_BIT)
+#define TAG(x) x##_fallback
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (NOUVEAU_OFFSET_BIT|NOUVEAU_FALLBACK_BIT)
+#define TAG(x) x##_offset_fallback
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (NOUVEAU_TWOSIDE_BIT|NOUVEAU_FALLBACK_BIT)
+#define TAG(x) x##_twoside_fallback
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (NOUVEAU_TWOSIDE_BIT|NOUVEAU_OFFSET_BIT|NOUVEAU_FALLBACK_BIT)
+#define TAG(x) x##_twoside_offset_fallback
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (NOUVEAU_UNFILLED_BIT|NOUVEAU_FALLBACK_BIT)
+#define TAG(x) x##_unfilled_fallback
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (NOUVEAU_OFFSET_BIT|NOUVEAU_UNFILLED_BIT|NOUVEAU_FALLBACK_BIT)
+#define TAG(x) x##_offset_unfilled_fallback
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (NOUVEAU_TWOSIDE_BIT|NOUVEAU_UNFILLED_BIT|NOUVEAU_FALLBACK_BIT)
+#define TAG(x) x##_twoside_unfilled_fallback
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (NOUVEAU_TWOSIDE_BIT|NOUVEAU_OFFSET_BIT|NOUVEAU_UNFILLED_BIT| \
+ NOUVEAU_FALLBACK_BIT)
+#define TAG(x) x##_twoside_offset_unfilled_fallback
+#include "tnl_dd/t_dd_tritmp.h"
+
+
+/* Catchall case for flat, separate specular triangles */
+#undef DO_FALLBACK
+#undef DO_OFFSET
+#undef DO_UNFILLED
+#undef DO_TWOSIDE
+#undef DO_FLAT
+#define DO_FALLBACK (0)
+#define DO_OFFSET (ctx->_TriangleCaps & DD_TRI_OFFSET)
+#define DO_UNFILLED (ctx->_TriangleCaps & DD_TRI_UNFILLED)
+#define DO_TWOSIDE (ctx->_TriangleCaps & DD_TRI_LIGHT_TWOSIDE)
+#define DO_FLAT 1
+#define TAG(x) x##_flat_specular
+#define IND NOUVEAU_MAX_TRIFUNC
+#include "tnl_dd/t_dd_tritmp.h"
+
+
+static void init_rast_tab(void)
+{
+ init();
+ init_offset();
+ init_twoside();
+ init_twoside_offset();
+ init_unfilled();
+ init_offset_unfilled();
+ init_twoside_unfilled();
+ init_twoside_offset_unfilled();
+ init_fallback();
+ init_offset_fallback();
+ init_twoside_fallback();
+ init_twoside_offset_fallback();
+ init_unfilled_fallback();
+ init_offset_unfilled_fallback();
+ init_twoside_unfilled_fallback();
+ init_twoside_offset_unfilled_fallback();
+
+ init_flat_specular(); /* special! */
+}
+
+
+/**********************************************************************/
+/* Render unclipped begin/end objects */
+/**********************************************************************/
+#define IND 0
+#define V(x) (nouveauVertex *)(vertptr + ((x) * vertsize * sizeof(int)))
+#define RENDER_POINTS(start, count) \
+ for (; start < count; start++) POINT(V(ELT(start)));
+#define RENDER_LINE(v0, v1) LINE(V(v0), V(v1))
+#define RENDER_TRI( v0, v1, v2) TRI( V(v0), V(v1), V(v2))
+#define RENDER_QUAD(v0, v1, v2, v3) QUAD(V(v0), V(v1), V(v2), V(v3))
+#define INIT(x) nv40RasterPrimitive(ctx, x, x)
+#undef LOCAL_VARS
+#define LOCAL_VARS \
+ struct nouveau_context *nmesa = NOUVEAU_CONTEXT(ctx); \
+GLubyte *vertptr = (GLubyte *)nmesa->verts; \
+const GLuint vertsize = nmesa->vertexSize; \
+const GLuint * const elt = TNL_CONTEXT(ctx)->vb.Elts; \
+const GLboolean stipple = ctx->Line.StippleFlag; \
+(void) elt; (void) stipple;
+#define RESET_STIPPLE if ( stipple ) nouveauResetLineStipple( ctx );
+#define RESET_OCCLUSION
+#define PRESERVE_VB_DEFS
+#define ELT(x) x
+#define TAG(x) nouveau_##x##_verts
+#include "tnl/t_vb_rendertmp.h"
+#undef ELT
+#undef TAG
+#define TAG(x) nouveau_##x##_elts
+#define ELT(x) elt[x]
+#include "tnl/t_vb_rendertmp.h"
+#undef ELT
+#undef TAG
+#undef NEED_EDGEFLAG_SETUP
+#undef EDGEFLAG_GET
+#undef EDGEFLAG_SET
+#undef RESET_OCCLUSION
+
+
+/**********************************************************************/
+/* Render clipped primitives */
+/**********************************************************************/
+
+
+
+static void nouveauRenderClippedPoly(GLcontext *ctx, const GLuint *elts,
+ GLuint n)
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
+ GLuint prim = NOUVEAU_CONTEXT(ctx)->renderPrimitive;
+
+ /* Render the new vertices as an unclipped polygon.
+ */
+ {
+ GLuint *tmp = VB->Elts;
+ VB->Elts = (GLuint *)elts;
+ tnl->Driver.Render.PrimTabElts[GL_POLYGON](ctx, 0, n,
+ PRIM_BEGIN|PRIM_END);
+ VB->Elts = tmp;
+ }
+
+ /* Restore the render primitive
+ */
+ if (prim != GL_POLYGON &&
+ prim != GL_POLYGON + 1)
+ tnl->Driver.Render.PrimitiveNotify( ctx, prim );
+}
+
+static void nouveauRenderClippedLine(GLcontext *ctx, GLuint ii, GLuint jj)
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ tnl->Driver.Render.Line(ctx, ii, jj);
+}
+
+static void nouveauFastRenderClippedPoly(GLcontext *ctx, const GLuint *elts,
+ GLuint n)
+{
+ struct nouveau_context *nmesa = NOUVEAU_CONTEXT(ctx);
+ GLuint vertsize = nmesa->vertexSize;
+ GLuint *vb = nouveauExtendPrimitive(nmesa, (n - 2) * 3 * 4 * vertsize);
+ GLubyte *vertptr = (GLubyte *)nmesa->verts;
+ const GLuint *start = (const GLuint *)V(elts[0]);
+ int i;
+
+ for (i = 2; i < n; i++) {
+ COPY_DWORDS(vb, vertsize, V(elts[i - 1]));
+ COPY_DWORDS(vb, vertsize, V(elts[i]));
+ COPY_DWORDS(vb, vertsize, start);
+ }
+}
+
+/**********************************************************************/
+/* Choose render functions */
+/**********************************************************************/
+
+
+
+
+#define _NOUVEAU_NEW_VERTEX (_NEW_TEXTURE | \
+ _DD_NEW_SEPARATE_SPECULAR | \
+ _DD_NEW_TRI_UNFILLED | \
+ _DD_NEW_TRI_LIGHT_TWOSIDE | \
+ _NEW_FOG)
+
+#define _NOUVEAU_NEW_RENDERSTATE (_DD_NEW_LINE_STIPPLE | \
+ _DD_NEW_TRI_UNFILLED | \
+ _DD_NEW_TRI_LIGHT_TWOSIDE | \
+ _DD_NEW_TRI_OFFSET | \
+ _DD_NEW_TRI_STIPPLE | \
+ _NEW_POLYGONSTIPPLE)
+
+
+static void nv40ChooseRenderState(GLcontext *ctx)
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ struct nouveau_context *nmesa = NOUVEAU_CONTEXT(ctx);
+ GLuint flags = ctx->_TriangleCaps;
+ GLuint index = 0;
+
+ nmesa->draw_point = nouveau_draw_point;
+ nmesa->draw_line = nouveau_draw_line;
+ nmesa->draw_tri = nouveau_draw_triangle;
+
+ if (flags & (ANY_FALLBACK_FLAGS|ANY_RASTER_FLAGS)) {
+ if (flags & DD_TRI_LIGHT_TWOSIDE) index |= NOUVEAU_TWOSIDE_BIT;
+ if (flags & DD_TRI_OFFSET) index |= NOUVEAU_OFFSET_BIT;
+ if (flags & DD_TRI_UNFILLED) index |= NOUVEAU_UNFILLED_BIT;
+ if (flags & ANY_FALLBACK_FLAGS) index |= NOUVEAU_FALLBACK_BIT;
+
+ /* Hook in fallbacks for specific primitives.
+ */
+ if (flags & POINT_FALLBACK)
+ nmesa->draw_point = nouveau_fallback_point;
+
+ if (flags & LINE_FALLBACK)
+ nmesa->draw_line = nouveau_fallback_line;
+
+ if (flags & TRI_FALLBACK)
+ nmesa->draw_tri = nouveau_fallback_tri;
+ }
+
+
+ if ((flags & DD_SEPARATE_SPECULAR) &&
+ ctx->Light.ShadeModel == GL_FLAT) {
+ index = NOUVEAU_MAX_TRIFUNC; /* flat specular */
+ }
+
+ if (nmesa->renderIndex != index) {
+ nmesa->renderIndex = index;
+
+ tnl->Driver.Render.Points = rast_tab[index].points;
+ tnl->Driver.Render.Line = rast_tab[index].line;
+ tnl->Driver.Render.Triangle = rast_tab[index].triangle;
+ tnl->Driver.Render.Quad = rast_tab[index].quad;
+
+ if (index == 0) {
+ tnl->Driver.Render.PrimTabVerts = nouveau_render_tab_verts;
+ tnl->Driver.Render.PrimTabElts = nouveau_render_tab_elts;
+ tnl->Driver.Render.ClippedLine = line; /* from tritmp.h */
+ tnl->Driver.Render.ClippedPolygon = nouveauFastRenderClippedPoly;
+ }
+ else {
+ tnl->Driver.Render.PrimTabVerts = _tnl_render_tab_verts;
+ tnl->Driver.Render.PrimTabElts = _tnl_render_tab_elts;
+ tnl->Driver.Render.ClippedLine = nouveauRenderClippedLine;
+ tnl->Driver.Render.ClippedPolygon = nouveauRenderClippedPoly;
+ }
+ }
+}
+
+
+
+static inline void nv40OutputVertexFormat(struct nouveau_context* mesa, GLuint index)
+{
+ /*
+ * Determine how many inputs we need in the vertex format.
+ * We need to find & setup the right input "slots"
+ *
+ * The hw attribute order matches nv_vertex_program, and _TNL_BIT_*
+ * also matches this order, so we can take shortcuts...
+ */
+ int i;
+ int slots=0;
+ for(i=0;i<16;i++)
+ if (index&(1<<i))
+ slots=i+1;
+
+ BEGIN_RING_SIZE(channel,0x1740,slots);
+ for(i=0;i<slots;i++)
+ if (index&(1<<i))
+ {
+ /* XXX for now we only emit 3-sized attributes */
+ int size=3;
+ OUR_RING(0x00000002|(size*0x10));
+ }
+ else
+ {
+ OUR_RING(0x00000002);
+ }
+ BEGIN_RING_SIZE(channel,0x1718,1);
+ OUT_RING(0);
+ BEGIN_RING_SIZE(channel,0x1718,1);
+ OUT_RING(0);
+ BEGIN_RING_SIZE(channel,0x1718,1);
+ OUT_RING(0);
+}
+
+
+static void nv40ChooseVertexState( GLcontext *ctx )
+{
+ struct nouveau_context *nmesa = NOUVEAU_CONTEXT(ctx);
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ GLuint index = tnl->render_inputs;
+
+ if (index!=nmesa->render_inputs)
+ {
+ nmesa->render_inputs=index;
+ nv40OutputVertexFormat(nmesa,index);
+ }
+}
+
+
+/**********************************************************************/
+/* High level hooks for t_vb_render.c */
+/**********************************************************************/
+
+
+static void nv40RenderStart(GLcontext *ctx)
+{
+ struct nouveau_context *nmesa = NOUVEAU_CONTEXT(ctx);
+
+ if (nmesa->newState) {
+ nmesa->newRenderState |= nmesa->newState;
+ nouveauValidateState( ctx );
+ }
+
+ if (nmesa->Fallback) {
+ tnl->Driver.Render.Start(ctx);
+ return;
+ }
+
+ if (nmesa->newRenderState) {
+ nv40ChooseVertexState(ctx);
+ nv40ChooseRenderState(ctx);
+ nmesa->newRenderState = 0;
+ }
+}
+
+static void nv40RenderFinish(GLcontext *ctx)
+{
+ struct nouveau_context *nmesa = NOUVEAU_CONTEXT(ctx);
+ nv40FinishPrimitive(nmesa);
+}
+
+
+/* System to flush dma and emit state changes based on the rasterized
+ * primitive.
+ */
+void nv40RasterPrimitive(GLcontext *ctx,
+ GLenum glprim,
+ GLenum hwprim)
+{
+ struct nouveau_context *nmesa = NOUVEAU_CONTEXT(ctx);
+
+ assert (!nmesa->newState);
+
+ if (hwprim != nmesa->current_primitive)
+ {
+ nmesa->current_primitive=hwprim;
+
+ }
+}
+
+/* Callback for mesa:
+ */
+static void nv40RenderPrimitive( GLcontext *ctx, GLuint prim )
+{
+ nv40RasterPrimitive( ctx, prim, prim );
+}
+
+
+
+/**********************************************************************/
+/* Initialization. */
+/**********************************************************************/
+
+
+void nouveauInitTriFuncs(GLcontext *ctx)
+{
+ struct nouveau_context *nmesa = NOUVEAU_CONTEXT(ctx);
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ static int firsttime = 1;
+
+ if (firsttime) {
+ init_rast_tab();
+ firsttime = 0;
+ }
+
+ tnl->Driver.RunPipeline = nouveauRunPipeline;
+ tnl->Driver.Render.Start = nv40RenderStart;
+ tnl->Driver.Render.Finish = nv40RenderFinish;
+ tnl->Driver.Render.PrimitiveNotify = nv40RenderPrimitive;
+ tnl->Driver.Render.ResetLineStipple = nouveauResetLineStipple;
+ tnl->Driver.Render.BuildVertices = _tnl_build_vertices;
+ tnl->Driver.Render.CopyPV = _tnl_copy_pv;
+ tnl->Driver.Render.Interp = _tnl_interp;
+
+ _tnl_init_vertices( ctx, ctx->Const.MaxArrayLockSize + 12,
+ (6 + 2*ctx->Const.MaxTextureUnits) * sizeof(GLfloat) );
+
+ nmesa->verts = (GLubyte *)tnl->clipspace.vertex_buf;
+
+}
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-05 00:44:45 +0000