--- /dev/null
+/*
+ * Copyright 2007 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.
+ */
+
+/* Software TCL for NV04, NV05, NV06 */
+
+#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_swtcl.h"
+#include "nv04_swtcl.h"
+#include "nouveau_context.h"
+#include "nouveau_span.h"
+#include "nouveau_reg.h"
+#include "nouveau_tex.h"
+#include "nouveau_fifo.h"
+#include "nouveau_msg.h"
+#include "nouveau_object.h"
+
+static void nv04RasterPrimitive( GLcontext *ctx, GLenum rprim, GLuint hwprim );
+static void nv04RenderPrimitive( GLcontext *ctx, GLenum prim );
+static void nv04ResetLineStipple( GLcontext *ctx );
+
+
+static inline void nv04_2triangles(struct nouveau_context *nmesa,nouveauVertex* v0,nouveauVertex* v1,nouveauVertex* v2,nouveauVertex* v3,nouveauVertex* v4,nouveauVertex* v5)
+{
+ BEGIN_RING_SIZE(NvSub3D,NV04_DX5_TEXTURED_TRIANGLE_TLVERTEX_SX(0xA),49);
+ OUT_RINGp(v0,8);
+ OUT_RINGp(v1,8);
+ OUT_RINGp(v2,8);
+ OUT_RINGp(v3,8);
+ OUT_RINGp(v4,8);
+ OUT_RINGp(v5,8);
+ OUT_RING(0xFEDCBA);
+}
+
+static inline void nv04_1triangle(struct nouveau_context *nmesa,nouveauVertex* v0,nouveauVertex* v1,nouveauVertex* v2)
+{
+ BEGIN_RING_SIZE(NvSub3D,NV04_DX5_TEXTURED_TRIANGLE_TLVERTEX_SX(0xD),25);
+ OUT_RINGp(v0,8);
+ OUT_RINGp(v1,8);
+ OUT_RINGp(v2,8);
+ OUT_RING(0xFED);
+}
+
+static inline void nv04_1quad(struct nouveau_context *nmesa,nouveauVertex* v0,nouveauVertex* v1,nouveauVertex* v2,nouveauVertex* v3)
+{
+ BEGIN_RING_SIZE(NvSub3D,NV04_DX5_TEXTURED_TRIANGLE_TLVERTEX_SX(0xC),33);
+ OUT_RINGp(v0,8);
+ OUT_RINGp(v1,8);
+ OUT_RINGp(v2,8);
+ OUT_RINGp(v3,8);
+ OUT_RING(0xFECEDC);
+}
+
+/**********************************************************************/
+/* Render unclipped begin/end objects */
+/**********************************************************************/
+
+static void nv04_render_points_verts(GLcontext *ctx,GLuint start,GLuint count,GLuint flags)
+{
+ // erm
+}
+
+static void nv04_render_lines_verts(GLcontext *ctx,GLuint start,GLuint count,GLuint flags)
+{
+ // umm
+}
+
+static void nv04_render_line_strip_verts(GLcontext *ctx,GLuint start,GLuint count,GLuint flags)
+{
+ // yeah
+}
+
+static void nv04_render_line_loop_verts(GLcontext *ctx,GLuint start,GLuint count,GLuint flags)
+{
+ // right
+}
+
+static void nv04_render_triangles_verts(GLcontext *ctx,GLuint start,GLuint count,GLuint flags)
+{
+ struct nouveau_context *nmesa = NOUVEAU_CONTEXT(ctx);
+ GLubyte *vertptr = (GLubyte *)nmesa->verts;
+ GLuint vertsize = nmesa->vertex_size;
+ int i;
+
+ for(i=start;i<count-5;i+=6)
+ nv04_2triangles(nmesa,
+ (nouveauVertex*)(vertptr+(i+0)*vertsize),
+ (nouveauVertex*)(vertptr+(i+1)*vertsize),
+ (nouveauVertex*)(vertptr+(i+2)*vertsize),
+ (nouveauVertex*)(vertptr+(i+3)*vertsize),
+ (nouveauVertex*)(vertptr+(i+4)*vertsize),
+ (nouveauVertex*)(vertptr+(i+5)*vertsize)
+ );
+ if (i!=count)
+ {
+ nv04_1triangle(nmesa,
+ (nouveauVertex*)(vertptr+(i+0)*vertsize),
+ (nouveauVertex*)(vertptr+(i+1)*vertsize),
+ (nouveauVertex*)(vertptr+(i+2)*vertsize)
+ );
+ i+=3;
+ }
+ if (i!=count)
+ printf("oops\n");
+}
+
+static void nv04_render_tri_strip_verts(GLcontext *ctx,GLuint start,GLuint count,GLuint flags)
+{
+ struct nouveau_context *nmesa = NOUVEAU_CONTEXT(ctx);
+ GLubyte *vertptr = (GLubyte *)nmesa->verts;
+ GLuint vertsize = nmesa->vertex_size;
+ uint32_t striptbl[]={0x321210,0x543432,0x765654,0x987876,0xBA9A98,0xDCBCBA,0xFEDEDC};
+ int i,j;
+
+ for(i=start;i<count;i+=14)
+ {
+ int numvert=MIN2(16,count-i);
+ int numtri=numvert-2;
+ if (numvert<3)
+ break;
+
+ BEGIN_RING_SIZE(NvSub3D,NV04_DX5_TEXTURED_TRIANGLE_TLVERTEX_SX(0x0),numvert*8);
+ for(j=0;j<numvert;j++)
+ OUT_RINGp((nouveauVertex*)(vertptr+(i+j)*vertsize),8);
+
+ BEGIN_RING_SIZE(NvSub3D,NV04_DX5_TEXTURED_TRIANGLE_DRAW|NONINC_METHOD,(numtri+1)/2);
+ for(j=0;j<numtri/2;j++)
+ OUT_RING(striptbl[j]);
+ if (numtri%2)
+ OUT_RING(striptbl[numtri/2]&0xFFF);
+ }
+}
+
+static void nv04_render_tri_fan_verts(GLcontext *ctx,GLuint start,GLuint count,GLuint flags)
+{
+ struct nouveau_context *nmesa = NOUVEAU_CONTEXT(ctx);
+ GLubyte *vertptr = (GLubyte *)nmesa->verts;
+ GLuint vertsize = nmesa->vertex_size;
+ uint32_t fantbl[]={0x320210,0x540430,0x760650,0x980870,0xBA0A90,0xDC0CB0,0xFE0ED0};
+ int i,j;
+
+ BEGIN_RING_SIZE(NvSub3D,NV04_DX5_TEXTURED_TRIANGLE_TLVERTEX_SX(0x0),8);
+ OUT_RINGp((nouveauVertex*)(vertptr+start*vertsize),8);
+
+ for(i=start+1;i<count;i+=14)
+ {
+ int numvert=MIN2(15,count-i);
+ int numtri=numvert-2;
+ if (numvert<3)
+ break;
+
+ BEGIN_RING_SIZE(NvSub3D,NV04_DX5_TEXTURED_TRIANGLE_TLVERTEX_SX(0x1),numvert*8);
+
+ for(j=0;j<numvert;j++)
+ OUT_RINGp((nouveauVertex*)(vertptr+(i+j)*vertsize),8);
+
+ BEGIN_RING_SIZE(NvSub3D,NV04_DX5_TEXTURED_TRIANGLE_DRAW|NONINC_METHOD,(numtri+1)/2);
+ for(j=0;j<numtri/2;j++)
+ OUT_RING(fantbl[j]);
+ if (numtri%2)
+ OUT_RING(fantbl[numtri/2]&0xFFF);
+ }
+}
+
+static void nv04_render_quads_verts(GLcontext *ctx,GLuint start,GLuint count,GLuint flags)
+{
+ struct nouveau_context *nmesa = NOUVEAU_CONTEXT(ctx);
+ GLubyte *vertptr = (GLubyte *)nmesa->verts;
+ GLuint vertsize = nmesa->vertex_size;
+ int i;
+
+ for(i=start;i<count;i+=4)
+ nv04_1quad(nmesa,
+ (nouveauVertex*)(vertptr+(i+0)*vertsize),
+ (nouveauVertex*)(vertptr+(i+1)*vertsize),
+ (nouveauVertex*)(vertptr+(i+2)*vertsize),
+ (nouveauVertex*)(vertptr+(i+3)*vertsize)
+ );
+}
+
+static void nv04_render_noop_verts(GLcontext *ctx,GLuint start,GLuint count,GLuint flags)
+{
+}
+
+static void (*nv04_render_tab_verts[GL_POLYGON+2])(GLcontext *,
+ GLuint,
+ GLuint,
+ GLuint) =
+{
+ nv04_render_points_verts,
+ nv04_render_lines_verts,
+ nv04_render_line_loop_verts,
+ nv04_render_line_strip_verts,
+ nv04_render_triangles_verts,
+ nv04_render_tri_strip_verts,
+ nv04_render_tri_fan_verts,
+ nv04_render_quads_verts,
+ nv04_render_tri_strip_verts, //nv04_render_quad_strip_verts
+ nv04_render_tri_fan_verts, //nv04_render_poly_verts
+ nv04_render_noop_verts,
+};
+
+
+static void nv04_render_points_elts(GLcontext *ctx,GLuint start,GLuint count,GLuint flags)
+{
+ // erm
+}
+
+static void nv04_render_lines_elts(GLcontext *ctx,GLuint start,GLuint count,GLuint flags)
+{
+ // umm
+}
+
+static void nv04_render_line_strip_elts(GLcontext *ctx,GLuint start,GLuint count,GLuint flags)
+{
+ // yeah
+}
+
+static void nv04_render_line_loop_elts(GLcontext *ctx,GLuint start,GLuint count,GLuint flags)
+{
+ // right
+}
+
+static void nv04_render_triangles_elts(GLcontext *ctx,GLuint start,GLuint count,GLuint flags)
+{
+ struct nouveau_context *nmesa = NOUVEAU_CONTEXT(ctx);
+ GLubyte *vertptr = (GLubyte *)nmesa->verts;
+ GLuint vertsize = nmesa->vertex_size;
+ const GLuint * const elt = TNL_CONTEXT(ctx)->vb.Elts;
+ int i;
+
+ for(i=start;i<count-5;i+=6)
+ nv04_2triangles(nmesa,
+ (nouveauVertex*)(vertptr+elt[i+0]*vertsize),
+ (nouveauVertex*)(vertptr+elt[i+1]*vertsize),
+ (nouveauVertex*)(vertptr+elt[i+2]*vertsize),
+ (nouveauVertex*)(vertptr+elt[i+3]*vertsize),
+ (nouveauVertex*)(vertptr+elt[i+4]*vertsize),
+ (nouveauVertex*)(vertptr+elt[i+5]*vertsize)
+ );
+ if (i!=count)
+ {
+ nv04_1triangle(nmesa,
+ (nouveauVertex*)(vertptr+elt[i+0]*vertsize),
+ (nouveauVertex*)(vertptr+elt[i+1]*vertsize),
+ (nouveauVertex*)(vertptr+elt[i+2]*vertsize)
+ );
+ i+=3;
+ }
+ if (i!=count)
+ printf("oops\n");
+}
+
+static void nv04_render_tri_strip_elts(GLcontext *ctx,GLuint start,GLuint count,GLuint flags)
+{
+ struct nouveau_context *nmesa = NOUVEAU_CONTEXT(ctx);
+ GLubyte *vertptr = (GLubyte *)nmesa->verts;
+ GLuint vertsize = nmesa->vertex_size;
+ uint32_t striptbl[]={0x321210,0x543432,0x765654,0x987876,0xBA9A98,0xDCBCBA,0xFEDEDC};
+ const GLuint * const elt = TNL_CONTEXT(ctx)->vb.Elts;
+ int i,j;
+
+ for(i=start;i<count;i+=14)
+ {
+ int numvert=MIN2(16,count-i);
+ int numtri=numvert-2;
+ if (numvert<3)
+ break;
+
+ BEGIN_RING_SIZE(NvSub3D,NV04_DX5_TEXTURED_TRIANGLE_TLVERTEX_SX(0x0),numvert*8);
+ for(j=0;j<numvert;j++)
+ OUT_RINGp((nouveauVertex*)(vertptr+elt[i+j]*vertsize),8);
+
+ BEGIN_RING_SIZE(NvSub3D,NV04_DX5_TEXTURED_TRIANGLE_DRAW|NONINC_METHOD,(numtri+1)/2);
+ for(j=0;j<numtri/2;j++)
+ OUT_RING(striptbl[j]);
+ if (numtri%2)
+ OUT_RING(striptbl[numtri/2]&0xFFF);
+ }
+}
+
+static void nv04_render_tri_fan_elts(GLcontext *ctx,GLuint start,GLuint count,GLuint flags)
+{
+ struct nouveau_context *nmesa = NOUVEAU_CONTEXT(ctx);
+ GLubyte *vertptr = (GLubyte *)nmesa->verts;
+ GLuint vertsize = nmesa->vertex_size;
+ uint32_t fantbl[]={0x320210,0x540430,0x760650,0x980870,0xBA0A90,0xDC0CB0,0xFE0ED0};
+ const GLuint * const elt = TNL_CONTEXT(ctx)->vb.Elts;
+ int i,j;
+
+ BEGIN_RING_SIZE(NvSub3D,NV04_DX5_TEXTURED_TRIANGLE_TLVERTEX_SX(0x0),8);
+ OUT_RINGp((nouveauVertex*)(vertptr+elt[start]*vertsize),8);
+
+ for(i=start+1;i<count;i+=14)
+ {
+ int numvert=MIN2(15,count-i);
+ int numtri=numvert-2;
+ if (numvert<3)
+ break;
+
+ BEGIN_RING_SIZE(NvSub3D,NV04_DX5_TEXTURED_TRIANGLE_TLVERTEX_SX(0x1),numvert*8);
+
+ for(j=0;j<numvert;j++)
+ OUT_RINGp((nouveauVertex*)(vertptr+elt[i+j]*vertsize),8);
+
+ BEGIN_RING_SIZE(NvSub3D,NV04_DX5_TEXTURED_TRIANGLE_DRAW|NONINC_METHOD,(numtri+1)/2);
+ for(j=0;j<numtri/2;j++)
+ OUT_RING(fantbl[j]);
+ if (numtri%2)
+ OUT_RING(fantbl[numtri/2]&0xFFF);
+ }
+}
+
+static void nv04_render_quads_elts(GLcontext *ctx,GLuint start,GLuint count,GLuint flags)
+{
+ struct nouveau_context *nmesa = NOUVEAU_CONTEXT(ctx);
+ GLubyte *vertptr = (GLubyte *)nmesa->verts;
+ GLuint vertsize = nmesa->vertex_size;
+ const GLuint * const elt = TNL_CONTEXT(ctx)->vb.Elts;
+ int i;
+
+ for(i=start;i<count;i+=4)
+ nv04_1quad(nmesa,
+ (nouveauVertex*)(vertptr+elt[i+0]*vertsize),
+ (nouveauVertex*)(vertptr+elt[i+1]*vertsize),
+ (nouveauVertex*)(vertptr+elt[i+2]*vertsize),
+ (nouveauVertex*)(vertptr+elt[i+3]*vertsize)
+ );
+}
+
+static void nv04_render_noop_elts(GLcontext *ctx,GLuint start,GLuint count,GLuint flags)
+{
+}
+
+static void (*nv04_render_tab_elts[GL_POLYGON+2])(GLcontext *,
+ GLuint,
+ GLuint,
+ GLuint) =
+{
+ nv04_render_points_elts,
+ nv04_render_lines_elts,
+ nv04_render_line_loop_elts,
+ nv04_render_line_strip_elts,
+ nv04_render_triangles_elts,
+ nv04_render_tri_strip_elts,
+ nv04_render_tri_fan_elts,
+ nv04_render_quads_elts,
+ nv04_render_tri_strip_elts, // nv04_render_quad_strip_elts,
+ nv04_render_tri_fan_elts, // nv04_render_poly_elts,
+ nv04_render_noop_elts,
+};
+
+
+/**********************************************************************/
+/* Choose render functions */
+/**********************************************************************/
+
+
+#define EMIT_ATTR( ATTR, STYLE ) \
+do { \
+ nmesa->vertex_attrs[nmesa->vertex_attr_count].attrib = (ATTR); \
+ nmesa->vertex_attrs[nmesa->vertex_attr_count].format = (STYLE); \
+ nmesa->vertex_attr_count++; \
+} while (0)
+
+#define EMIT_PAD( N ) \
+do { \
+ nmesa->vertex_attrs[nmesa->vertex_attr_count].attrib = 0; \
+ nmesa->vertex_attrs[nmesa->vertex_attr_count].format = EMIT_PAD; \
+ nmesa->vertex_attrs[nmesa->vertex_attr_count].offset = (N); \
+ nmesa->vertex_attr_count++; \
+} while (0)
+
+
+static void nv04ChooseRenderState(GLcontext *ctx)
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+
+ tnl->Driver.Render.PrimTabVerts = nv04_render_tab_verts;
+ tnl->Driver.Render.PrimTabElts = nv04_render_tab_elts;
+ tnl->Driver.Render.ClippedLine = NULL;
+ tnl->Driver.Render.ClippedPolygon = NULL;
+}
+
+
+
+static inline void nv04OutputVertexFormat(struct nouveau_context* nmesa)
+{
+ GLcontext* ctx=nmesa->glCtx;
+ DECLARE_RENDERINPUTS(index);
+
+ /*
+ * Tell t_vertex about the vertex format
+ */
+ RENDERINPUTS_COPY(index, nmesa->render_inputs_bitset);
+
+ // SX SY SZ INVW
+ // FIXME : we use W instead of INVW, but since W=1 it doesn't matter
+ if (RENDERINPUTS_TEST(index, _TNL_ATTRIB_POS))
+ EMIT_ATTR(_TNL_ATTRIB_POS,EMIT_4F_VIEWPORT);
+ else
+ EMIT_PAD(4*sizeof(float));
+
+ // COLOR
+ if (RENDERINPUTS_TEST(index, _TNL_ATTRIB_COLOR0))
+ EMIT_ATTR(_TNL_ATTRIB_COLOR0,EMIT_4UB_4F_ABGR);
+ else
+ EMIT_PAD(4);
+
+ // SPECULAR
+ if (RENDERINPUTS_TEST(index, _TNL_ATTRIB_COLOR1))
+ EMIT_ATTR(_TNL_ATTRIB_COLOR1,EMIT_4UB_4F_ABGR);
+ else
+ EMIT_PAD(4);
+
+ // TEXTURE
+ if (RENDERINPUTS_TEST(index, _TNL_ATTRIB_TEX0))
+ EMIT_ATTR(_TNL_ATTRIB_TEX0,EMIT_2F);
+ else
+ EMIT_PAD(2*sizeof(float));
+
+ nmesa->vertex_size=_tnl_install_attrs( ctx,
+ nmesa->vertex_attrs,
+ nmesa->vertex_attr_count,
+ ctx->Viewport._WindowMap.m, 0 );
+}
+
+
+static void nv04ChooseVertexState( GLcontext *ctx )
+{
+ struct nouveau_context *nmesa = NOUVEAU_CONTEXT(ctx);
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ DECLARE_RENDERINPUTS(index);
+
+ RENDERINPUTS_COPY(index, tnl->render_inputs_bitset);
+ if (!RENDERINPUTS_EQUAL(index, nmesa->render_inputs_bitset))
+ {
+ RENDERINPUTS_COPY(nmesa->render_inputs_bitset, index);
+ nv04OutputVertexFormat(nmesa);
+ }
+}
+
+
+/**********************************************************************/
+/* High level hooks for t_vb_render.c */
+/**********************************************************************/
+
+
+static void nv04RenderStart(GLcontext *ctx)
+{
+ struct nouveau_context *nmesa = NOUVEAU_CONTEXT(ctx);
+
+ if (nmesa->new_state) {
+ nmesa->new_render_state |= nmesa->new_state;
+ }
+
+ if (nmesa->new_render_state) {
+ nv04ChooseVertexState(ctx);
+ nv04ChooseRenderState(ctx);
+ nmesa->new_render_state = 0;
+ }
+}
+
+static void nv04RenderFinish(GLcontext *ctx)
+{
+}
+
+
+/* System to flush dma and emit state changes based on the rasterized
+ * primitive.
+ */
+void nv04RasterPrimitive(GLcontext *ctx,
+ GLenum glprim,
+ GLuint hwprim)
+{
+ struct nouveau_context *nmesa = NOUVEAU_CONTEXT(ctx);
+
+ assert (!nmesa->new_state);
+
+ if (hwprim != nmesa->current_primitive)
+ {
+ nmesa->current_primitive=hwprim;
+
+ }
+}
+
+static const GLuint hw_prim[GL_POLYGON+1] = {
+ GL_POINTS+1,
+ GL_LINES+1,
+ GL_LINE_STRIP+1,
+ GL_LINE_LOOP+1,
+ GL_TRIANGLES+1,
+ GL_TRIANGLE_STRIP+1,
+ GL_TRIANGLE_FAN+1,
+ GL_QUADS+1,
+ GL_QUAD_STRIP+1,
+ GL_POLYGON+1
+};
+
+/* Callback for mesa:
+ */
+static void nv04RenderPrimitive( GLcontext *ctx, GLuint prim )
+{
+ nv04RasterPrimitive( ctx, prim, hw_prim[prim] );
+}
+
+static void nv04ResetLineStipple( GLcontext *ctx )
+{
+ /* FIXME do something here */
+ WARN_ONCE("Unimplemented nv04ResetLineStipple\n");
+}
+
+
+/**********************************************************************/
+/* Initialization. */
+/**********************************************************************/
+
+void nv04TriInitFunctions(GLcontext *ctx)
+{
+ struct nouveau_context *nmesa = NOUVEAU_CONTEXT(ctx);
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+
+ tnl->Driver.RunPipeline = nouveauRunPipeline;
+ tnl->Driver.Render.Start = nv04RenderStart;
+ tnl->Driver.Render.Finish = nv04RenderFinish;
+ tnl->Driver.Render.PrimitiveNotify = nv04RenderPrimitive;
+ tnl->Driver.Render.ResetLineStipple = nv04ResetLineStipple;
+ 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, 32 );
+
+ nmesa->verts = (GLubyte *)tnl->clipspace.vertex_buf;
+}
+
+
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