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Diffstat (limited to 'src/mesa/drivers/dri/r300/r300_swtcl.c')
-rw-r--r--src/mesa/drivers/dri/r300/r300_swtcl.c706
1 files changed, 706 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_swtcl.c b/src/mesa/drivers/dri/r300/r300_swtcl.c
new file mode 100644
index 0000000000..7aea063447
--- /dev/null
+++ b/src/mesa/drivers/dri/r300/r300_swtcl.c
@@ -0,0 +1,706 @@
+/**************************************************************************
+
+Copyright (C) 2007 Dave Airlie
+
+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
+on 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
+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:
+ * Dave Airlie <airlied@linux.ie>
+ */
+
+/* derived from r200 swtcl path */
+
+
+
+#include "glheader.h"
+#include "mtypes.h"
+#include "colormac.h"
+#include "enums.h"
+#include "image.h"
+#include "imports.h"
+#include "macros.h"
+
+#include "swrast/s_context.h"
+#include "swrast/s_fog.h"
+#include "swrast_setup/swrast_setup.h"
+#include "math/m_translate.h"
+#include "tnl/tnl.h"
+#include "tnl/t_context.h"
+#include "tnl/t_pipeline.h"
+
+#include "r300_context.h"
+#include "r300_swtcl.h"
+#include "r300_state.h"
+#include "r300_ioctl.h"
+#include "r300_emit.h"
+#include "r300_mem.h"
+
+static void flush_last_swtcl_prim( r300ContextPtr rmesa );
+
+
+void r300EmitVertexAOS(r300ContextPtr rmesa, GLuint vertex_size, GLuint offset);
+void r300EmitVbufPrim(r300ContextPtr rmesa, GLuint primitive, GLuint vertex_nr);
+#define EMIT_ATTR( ATTR, STYLE ) \
+do { \
+ rmesa->swtcl.vertex_attrs[rmesa->swtcl.vertex_attr_count].attrib = (ATTR); \
+ rmesa->swtcl.vertex_attrs[rmesa->swtcl.vertex_attr_count].format = (STYLE); \
+ rmesa->swtcl.vertex_attr_count++; \
+} while (0)
+
+#define EMIT_PAD( N ) \
+do { \
+ rmesa->swtcl.vertex_attrs[rmesa->swtcl.vertex_attr_count].attrib = 0; \
+ rmesa->swtcl.vertex_attrs[rmesa->swtcl.vertex_attr_count].format = EMIT_PAD; \
+ rmesa->swtcl.vertex_attrs[rmesa->swtcl.vertex_attr_count].offset = (N); \
+ rmesa->swtcl.vertex_attr_count++; \
+} while (0)
+
+/* this differs from the VIR0 in emit.c - TODO merge them using another option */
+static GLuint r300VAPInputRoute0(uint32_t * dst, GLvector4f ** attribptr,
+ int *inputs, GLint * tab, GLuint nr)
+{
+ GLuint i, dw;
+
+ /* type, inputs, stop bit, size */
+ for (i = 0; i + 1 < nr; i += 2) {
+ dw = (inputs[tab[i]] << 8) | 0x3;
+ dw |= ((inputs[tab[i + 1]] << 8) | 0x3) << 16;
+ if (i + 2 == nr) {
+ dw |= (R300_VAP_INPUT_ROUTE_END << 16);
+ }
+ dst[i >> 1] = dw;
+ }
+
+ if (nr & 1) {
+ dw = (inputs[tab[nr - 1]] << 8) | 0x3;
+ dw |= R300_VAP_INPUT_ROUTE_END;
+ dst[nr >> 1] = dw;
+ }
+
+ return (nr + 1) >> 1;
+}
+
+static void r300SetVertexFormat( GLcontext *ctx )
+{
+ r300ContextPtr rmesa = R300_CONTEXT( ctx );
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ struct vertex_buffer *VB = &tnl->vb;
+ DECLARE_RENDERINPUTS(index_bitset);
+ GLuint InputsRead = 0, OutputsWritten = 0;
+ int vap_fmt_0 = 0;
+ int vap_vte_cntl = 0;
+ int offset = 0;
+ int vte = 0;
+ GLint inputs[VERT_ATTRIB_MAX];
+ GLint tab[VERT_ATTRIB_MAX];
+ int swizzle[VERT_ATTRIB_MAX][4];
+ GLuint i, nr;
+
+ DECLARE_RENDERINPUTS(render_inputs_bitset);
+ RENDERINPUTS_COPY(render_inputs_bitset, tnl->render_inputs_bitset);
+ RENDERINPUTS_COPY( index_bitset, tnl->render_inputs_bitset );
+ RENDERINPUTS_COPY(rmesa->state.render_inputs_bitset, render_inputs_bitset);
+
+ /* Important:
+ */
+ if ( VB->NdcPtr != NULL ) {
+ VB->AttribPtr[VERT_ATTRIB_POS] = VB->NdcPtr;
+ }
+ else {
+ VB->AttribPtr[VERT_ATTRIB_POS] = VB->ClipPtr;
+ }
+
+ assert( VB->AttribPtr[VERT_ATTRIB_POS] != NULL );
+ rmesa->swtcl.vertex_attr_count = 0;
+
+ /* EMIT_ATTR's must be in order as they tell t_vertex.c how to
+ * build up a hardware vertex.
+ */
+ if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_POS)) {
+ vap_vte_cntl |= R300_VTX_W0_FMT;
+ InputsRead |= 1 << VERT_ATTRIB_POS;
+ OutputsWritten |= 1 << VERT_RESULT_HPOS;
+ EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_4F );
+ } else
+ EMIT_PAD(4 * sizeof(float));
+
+ offset = 4;
+
+ if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_POINTSIZE )) {
+ EMIT_ATTR( _TNL_ATTRIB_POINTSIZE, EMIT_1F );
+ vap_fmt_0 |= R300_VAP_OUTPUT_VTX_FMT_0__PT_SIZE_PRESENT;
+ offset += 1;
+ }
+
+ if (RENDERINPUTS_TEST(index_bitset, _TNL_ATTRIB_COLOR0)) {
+ rmesa->swtcl.coloroffset = offset;
+ InputsRead |= 1 << VERT_ATTRIB_COLOR0;
+ OutputsWritten |= 1 << VERT_RESULT_COL0;
+ EMIT_ATTR( _TNL_ATTRIB_COLOR0, EMIT_4F );
+ }
+
+ offset += 4;
+
+ rmesa->swtcl.specoffset = 0;
+ if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_COLOR1 )) {
+ rmesa->swtcl.specoffset = offset;
+ EMIT_ATTR( _TNL_ATTRIB_COLOR1, EMIT_4F );
+ InputsRead |= 1 << VERT_ATTRIB_COLOR1;
+ OutputsWritten |= 1 << VERT_RESULT_COL1;
+ }
+
+ if (RENDERINPUTS_TEST_RANGE( index_bitset, _TNL_FIRST_TEX, _TNL_LAST_TEX )) {
+ int i;
+
+ for (i = 0; i < ctx->Const.MaxTextureUnits; i++) {
+ if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_TEX(i) )) {
+ InputsRead |= 1 << (VERT_ATTRIB_TEX0 + i);
+ OutputsWritten |= 1 << (VERT_RESULT_TEX0 + i);
+ EMIT_ATTR( _TNL_ATTRIB_TEX0+i, EMIT_4F );
+ }
+ }
+ }
+
+ for (i = 0, nr = 0; i < VERT_ATTRIB_MAX; i++) {
+ if (InputsRead & (1 << i)) {
+ inputs[i] = nr++;
+ } else {
+ inputs[i] = -1;
+ }
+ }
+
+ /* Fixed, apply to vir0 only */
+ if (InputsRead & (1 << VERT_ATTRIB_POS))
+ inputs[VERT_ATTRIB_POS] = 0;
+ if (InputsRead & (1 << VERT_ATTRIB_COLOR0))
+ inputs[VERT_ATTRIB_COLOR0] = 2;
+ if (InputsRead & (1 << VERT_ATTRIB_COLOR1))
+ inputs[VERT_ATTRIB_COLOR1] = 3;
+ for (i = VERT_ATTRIB_TEX0; i <= VERT_ATTRIB_TEX7; i++)
+ if (InputsRead & (1 << i))
+ inputs[i] = 6 + (i - VERT_ATTRIB_TEX0);
+
+ for (i = 0, nr = 0; i < VERT_ATTRIB_MAX; i++) {
+ if (InputsRead & (1 << i)) {
+ tab[nr++] = i;
+ }
+ }
+
+ for (i = 0; i < nr; i++) {
+ int ci;
+
+ swizzle[i][0] = SWIZZLE_ZERO;
+ swizzle[i][1] = SWIZZLE_ZERO;
+ swizzle[i][2] = SWIZZLE_ZERO;
+ swizzle[i][3] = SWIZZLE_ONE;
+
+ for (ci = 0; ci < VB->AttribPtr[tab[i]]->size; ci++) {
+ swizzle[i][ci] = ci;
+ }
+ }
+
+ R300_NEWPRIM(rmesa);
+ R300_STATECHANGE(rmesa, vir[0]);
+ ((drm_r300_cmd_header_t *) rmesa->hw.vir[0].cmd)->packet0.count =
+ r300VAPInputRoute0(&rmesa->hw.vir[0].cmd[R300_VIR_CNTL_0],
+ VB->AttribPtr, inputs, tab, nr);
+ R300_STATECHANGE(rmesa, vir[1]);
+ ((drm_r300_cmd_header_t *) rmesa->hw.vir[1].cmd)->packet0.count =
+ r300VAPInputRoute1(&rmesa->hw.vir[1].cmd[R300_VIR_CNTL_0], swizzle,
+ nr);
+
+ R300_STATECHANGE(rmesa, vic);
+ rmesa->hw.vic.cmd[R300_VIC_CNTL_0] = r300VAPInputCntl0(ctx, InputsRead);
+ rmesa->hw.vic.cmd[R300_VIC_CNTL_1] = r300VAPInputCntl1(ctx, InputsRead);
+
+ R300_STATECHANGE(rmesa, vof);
+ rmesa->hw.vof.cmd[R300_VOF_CNTL_0] = r300VAPOutputCntl0(ctx, OutputsWritten);
+ rmesa->hw.vof.cmd[R300_VOF_CNTL_1] = r300VAPOutputCntl1(ctx, OutputsWritten);
+
+ rmesa->swtcl.vertex_size =
+ _tnl_install_attrs( ctx,
+ rmesa->swtcl.vertex_attrs,
+ rmesa->swtcl.vertex_attr_count,
+ NULL, 0 );
+
+ rmesa->swtcl.vertex_size /= 4;
+
+ RENDERINPUTS_COPY( rmesa->tnl_index_bitset, index_bitset );
+
+ vte = rmesa->hw.vte.cmd[1];
+ R300_STATECHANGE(rmesa, vte);
+ rmesa->hw.vte.cmd[1] = vte;
+ rmesa->hw.vte.cmd[2] = rmesa->swtcl.vertex_size;
+}
+
+
+/* Flush vertices in the current dma region.
+ */
+static void flush_last_swtcl_prim( r300ContextPtr rmesa )
+{
+ if (RADEON_DEBUG & DEBUG_IOCTL)
+ fprintf(stderr, "%s\n", __FUNCTION__);
+
+ rmesa->dma.flush = NULL;
+
+ if (rmesa->dma.current.buf) {
+ struct r300_dma_region *current = &rmesa->dma.current;
+ GLuint current_offset = GET_START(current);
+
+ assert (current->start +
+ rmesa->swtcl.numverts * rmesa->swtcl.vertex_size * 4 ==
+ current->ptr);
+
+ if (rmesa->dma.current.start != rmesa->dma.current.ptr) {
+
+ r300EnsureCmdBufSpace( rmesa, rmesa->hw.max_state_size + (12*sizeof(int)), __FUNCTION__);
+
+ r300EmitState(rmesa);
+
+ r300EmitVertexAOS( rmesa,
+ rmesa->swtcl.vertex_size,
+ current_offset);
+
+ r300EmitVbufPrim( rmesa,
+ rmesa->swtcl.hw_primitive,
+ rmesa->swtcl.numverts);
+
+ r300EmitCacheFlush(rmesa);
+ }
+
+ rmesa->swtcl.numverts = 0;
+ current->start = current->ptr;
+ }
+}
+
+/* Alloc space in the current dma region.
+ */
+static void *
+r300AllocDmaLowVerts( r300ContextPtr rmesa, int nverts, int vsize )
+{
+ GLuint bytes = vsize * nverts;
+
+ if ( rmesa->dma.current.ptr + bytes > rmesa->dma.current.end )
+ r300RefillCurrentDmaRegion( rmesa, bytes);
+
+ if (!rmesa->dma.flush) {
+ rmesa->radeon.glCtx->Driver.NeedFlush |= FLUSH_STORED_VERTICES;
+ rmesa->dma.flush = flush_last_swtcl_prim;
+ }
+
+ ASSERT( vsize == rmesa->swtcl.vertex_size * 4 );
+ ASSERT( rmesa->dma.flush == flush_last_swtcl_prim );
+ ASSERT( rmesa->dma.current.start +
+ rmesa->swtcl.numverts * rmesa->swtcl.vertex_size * 4 ==
+ rmesa->dma.current.ptr );
+
+ {
+ GLubyte *head = (GLubyte *) (rmesa->dma.current.address + rmesa->dma.current.ptr);
+ rmesa->dma.current.ptr += bytes;
+ rmesa->swtcl.numverts += nverts;
+ return head;
+ }
+}
+
+static GLuint reduced_prim[] = {
+ GL_POINTS,
+ GL_LINES,
+ GL_LINES,
+ GL_LINES,
+ GL_TRIANGLES,
+ GL_TRIANGLES,
+ GL_TRIANGLES,
+ GL_TRIANGLES,
+ GL_TRIANGLES,
+ GL_TRIANGLES,
+};
+
+static void r300RasterPrimitive( GLcontext *ctx, GLuint prim );
+static void r300RenderPrimitive( GLcontext *ctx, GLenum prim );
+//static void r300ResetLineStipple( GLcontext *ctx );
+
+/***********************************************************************
+ * Emit primitives as inline vertices *
+ ***********************************************************************/
+
+
+#define HAVE_POINTS 1
+#define HAVE_LINES 1
+#define HAVE_LINE_STRIPS 1
+#define HAVE_TRIANGLES 1
+#define HAVE_TRI_STRIPS 1
+#define HAVE_TRI_STRIP_1 0
+#define HAVE_TRI_FANS 1
+#define HAVE_QUADS 0
+#define HAVE_QUAD_STRIPS 0
+#define HAVE_POLYGONS 1
+#define HAVE_ELTS 1
+
+#undef LOCAL_VARS
+#undef ALLOC_VERTS
+#define CTX_ARG r300ContextPtr rmesa
+#define GET_VERTEX_DWORDS() rmesa->swtcl.vertex_size
+#define ALLOC_VERTS( n, size ) r300AllocDmaLowVerts( rmesa, n, size * 4 )
+#define LOCAL_VARS \
+ r300ContextPtr rmesa = R300_CONTEXT(ctx); \
+ const char *r300verts = (char *)rmesa->swtcl.verts;
+#define VERT(x) (r300Vertex *)(r300verts + ((x) * vertsize * sizeof(int)))
+#define VERTEX r300Vertex
+#define DO_DEBUG_VERTS (1 && (RADEON_DEBUG & DEBUG_VERTS))
+#define PRINT_VERTEX(x)
+#undef TAG
+#define TAG(x) r300_##x
+#include "tnl_dd/t_dd_triemit.h"
+
+
+
+/***********************************************************************
+ * Macros for t_dd_tritmp.h to draw basic primitives *
+ ***********************************************************************/
+
+#define QUAD( a, b, c, d ) r300_quad( rmesa, a, b, c, d )
+#define TRI( a, b, c ) r300_triangle( rmesa, a, b, c )
+#define LINE( a, b ) r300_line( rmesa, a, b )
+#define POINT( a ) r300_point( rmesa, a )
+
+/***********************************************************************
+ * Build render functions from dd templates *
+ ***********************************************************************/
+
+#define R300_TWOSIDE_BIT 0x01
+#define R300_UNFILLED_BIT 0x02
+#define R300_MAX_TRIFUNC 0x04
+
+static struct {
+ tnl_points_func points;
+ tnl_line_func line;
+ tnl_triangle_func triangle;
+ tnl_quad_func quad;
+} rast_tab[R300_MAX_TRIFUNC];
+
+#define DO_FALLBACK 0
+#define DO_UNFILLED (IND & R300_UNFILLED_BIT)
+#define DO_TWOSIDE (IND & R300_TWOSIDE_BIT)
+#define DO_FLAT 0
+#define DO_OFFSET 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 TAB rast_tab
+
+#define DEPTH_SCALE 1.0
+#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) (rmesa->swtcl.verts + (e*rmesa->swtcl.vertex_size*sizeof(int)))
+
+/* Only used to pull back colors into vertices (ie, we know color is
+ * floating point).
+ */
+#define R300_COLOR( dst, src ) \
+do { \
+ UNCLAMPED_FLOAT_TO_UBYTE((dst)[0], (src)[2]); \
+ UNCLAMPED_FLOAT_TO_UBYTE((dst)[1], (src)[1]); \
+ UNCLAMPED_FLOAT_TO_UBYTE((dst)[2], (src)[0]); \
+ UNCLAMPED_FLOAT_TO_UBYTE((dst)[3], (src)[3]); \
+} while (0)
+
+#define VERT_SET_RGBA( v, c ) if (coloroffset) R300_COLOR( v->ub4[coloroffset], c )
+#define VERT_COPY_RGBA( v0, v1 ) if (coloroffset) v0->ui[coloroffset] = v1->ui[coloroffset]
+#define VERT_SAVE_RGBA( idx ) if (coloroffset) color[idx] = v[idx]->ui[coloroffset]
+#define VERT_RESTORE_RGBA( idx ) if (coloroffset) v[idx]->ui[coloroffset] = color[idx]
+
+#define R300_SPEC( dst, src ) \
+do { \
+ UNCLAMPED_FLOAT_TO_UBYTE((dst)[0], (src)[2]); \
+ UNCLAMPED_FLOAT_TO_UBYTE((dst)[1], (src)[1]); \
+ UNCLAMPED_FLOAT_TO_UBYTE((dst)[2], (src)[0]); \
+} while (0)
+
+#define VERT_SET_SPEC( v, c ) if (specoffset) R300_SPEC( v->ub4[specoffset], c )
+#define VERT_COPY_SPEC( v0, v1 ) if (specoffset) COPY_3V(v0->ub4[specoffset], v1->ub4[specoffset])
+#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]
+
+#undef LOCAL_VARS
+#undef TAG
+#undef INIT
+
+#define LOCAL_VARS(n) \
+ r300ContextPtr rmesa = R300_CONTEXT(ctx); \
+ GLuint color[n], spec[n]; \
+ GLuint coloroffset = rmesa->swtcl.coloroffset; \
+ GLuint specoffset = rmesa->swtcl.specoffset; \
+ (void) color; (void) spec; (void) coloroffset; (void) specoffset;
+
+/***********************************************************************
+ * Helpers for rendering unfilled primitives *
+ ***********************************************************************/
+
+#define RASTERIZE(x) r300RasterPrimitive( ctx, reduced_prim[x] )
+#define RENDER_PRIMITIVE rmesa->swtcl.render_primitive
+#undef TAG
+#define TAG(x) x
+#include "tnl_dd/t_dd_unfilled.h"
+#undef IND
+
+
+/***********************************************************************
+ * Generate GL render functions *
+ ***********************************************************************/
+
+
+#define IND (0)
+#define TAG(x) x
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (R300_TWOSIDE_BIT)
+#define TAG(x) x##_twoside
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (R300_UNFILLED_BIT)
+#define TAG(x) x##_unfilled
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (R300_TWOSIDE_BIT|R300_UNFILLED_BIT)
+#define TAG(x) x##_twoside_unfilled
+#include "tnl_dd/t_dd_tritmp.h"
+
+
+
+static void init_rast_tab( void )
+{
+ init();
+ init_twoside();
+ init_unfilled();
+ init_twoside_unfilled();
+}
+
+/**********************************************************************/
+/* Render unclipped begin/end objects */
+/**********************************************************************/
+
+#define RENDER_POINTS( start, count ) \
+ for ( ; start < count ; start++) \
+ r300_point( rmesa, VERT(start) )
+#define RENDER_LINE( v0, v1 ) \
+ r300_line( rmesa, VERT(v0), VERT(v1) )
+#define RENDER_TRI( v0, v1, v2 ) \
+ r300_triangle( rmesa, VERT(v0), VERT(v1), VERT(v2) )
+#define RENDER_QUAD( v0, v1, v2, v3 ) \
+ r300_quad( rmesa, VERT(v0), VERT(v1), VERT(v2), VERT(v3) )
+#define INIT(x) do { \
+ r300RenderPrimitive( ctx, x ); \
+} while (0)
+#undef LOCAL_VARS
+#define LOCAL_VARS \
+ r300ContextPtr rmesa = R300_CONTEXT(ctx); \
+ const GLuint vertsize = rmesa->swtcl.vertex_size; \
+ const char *r300verts = (char *)rmesa->swtcl.verts; \
+ const GLuint * const elt = TNL_CONTEXT(ctx)->vb.Elts; \
+ const GLboolean stipple = ctx->Line.StippleFlag; \
+ (void) elt; (void) stipple;
+#define RESET_STIPPLE //if ( stipple ) r200ResetLineStipple( ctx );
+#define RESET_OCCLUSION
+#define PRESERVE_VB_DEFS
+#define ELT(x) (x)
+#define TAG(x) r300_##x##_verts
+#include "tnl/t_vb_rendertmp.h"
+#undef ELT
+#undef TAG
+#define TAG(x) r300_##x##_elts
+#define ELT(x) elt[x]
+#include "tnl/t_vb_rendertmp.h"
+
+
+
+
+/**********************************************************************/
+/* Choose render functions */
+/**********************************************************************/
+static void r300ChooseRenderState( GLcontext *ctx )
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ r300ContextPtr rmesa = R300_CONTEXT(ctx);
+ GLuint index = 0;
+ GLuint flags = ctx->_TriangleCaps;
+
+ if (flags & DD_TRI_LIGHT_TWOSIDE) index |= R300_TWOSIDE_BIT;
+ if (flags & DD_TRI_UNFILLED) index |= R300_UNFILLED_BIT;
+
+ if (index != rmesa->swtcl.RenderIndex) {
+ tnl->Driver.Render.Points = rast_tab[index].points;
+ tnl->Driver.Render.Line = rast_tab[index].line;
+ tnl->Driver.Render.ClippedLine = 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 = r300_render_tab_verts;
+ tnl->Driver.Render.PrimTabElts = r300_render_tab_elts;
+ tnl->Driver.Render.ClippedPolygon = r300_fast_clipped_poly;
+ } else {
+ tnl->Driver.Render.PrimTabVerts = _tnl_render_tab_verts;
+ tnl->Driver.Render.PrimTabElts = _tnl_render_tab_elts;
+ tnl->Driver.Render.ClippedPolygon = _tnl_RenderClippedPolygon;
+ }
+
+ rmesa->swtcl.RenderIndex = index;
+ }
+}
+
+
+static void r300RenderStart(GLcontext *ctx)
+{
+ r300ContextPtr rmesa = R300_CONTEXT( ctx );
+ // fprintf(stderr, "%s\n", __FUNCTION__);
+
+ r300ChooseRenderState(ctx);
+ r300SetVertexFormat(ctx);
+
+ r300UpdateShaderStates(rmesa);
+
+ r300EmitCacheFlush(rmesa);
+
+ if (rmesa->dma.flush != 0 &&
+ rmesa->dma.flush != flush_last_swtcl_prim)
+ rmesa->dma.flush( rmesa );
+
+}
+
+static void r300RenderFinish(GLcontext *ctx)
+{
+}
+
+static void r300RasterPrimitive( GLcontext *ctx, GLuint hwprim )
+{
+ r300ContextPtr rmesa = R300_CONTEXT(ctx);
+
+ if (rmesa->swtcl.hw_primitive != hwprim) {
+ R300_NEWPRIM( rmesa );
+ rmesa->swtcl.hw_primitive = hwprim;
+ }
+}
+
+static void r300RenderPrimitive(GLcontext *ctx, GLenum prim)
+{
+
+ r300ContextPtr rmesa = R300_CONTEXT(ctx);
+ rmesa->swtcl.render_primitive = prim;
+
+ if ((prim == GL_TRIANGLES) && (ctx->_TriangleCaps & DD_TRI_UNFILLED))
+ return;
+
+ r300RasterPrimitive( ctx, reduced_prim[prim] );
+ // fprintf(stderr, "%s\n", __FUNCTION__);
+
+}
+
+static void r300ResetLineStipple(GLcontext *ctx)
+{
+
+
+}
+
+void r300InitSwtcl(GLcontext *ctx)
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ r300ContextPtr rmesa = R300_CONTEXT(ctx);
+ static int firsttime = 1;
+
+ if (firsttime) {
+ init_rast_tab();
+ firsttime = 0;
+ }
+
+ tnl->Driver.Render.Start = r300RenderStart;
+ tnl->Driver.Render.Finish = r300RenderFinish;
+ tnl->Driver.Render.PrimitiveNotify = r300RenderPrimitive;
+ tnl->Driver.Render.ResetLineStipple = r300ResetLineStipple;
+ tnl->Driver.Render.BuildVertices = _tnl_build_vertices;
+ tnl->Driver.Render.CopyPV = _tnl_copy_pv;
+ tnl->Driver.Render.Interp = _tnl_interp;
+
+ /* FIXME: what are these numbers? */
+ _tnl_init_vertices( ctx, ctx->Const.MaxArrayLockSize + 12,
+ 48 * sizeof(GLfloat) );
+
+ rmesa->swtcl.verts = (GLubyte *)tnl->clipspace.vertex_buf;
+ rmesa->swtcl.RenderIndex = ~0;
+ rmesa->swtcl.render_primitive = GL_TRIANGLES;
+ rmesa->swtcl.hw_primitive = 0;
+
+ _tnl_invalidate_vertex_state( ctx, ~0 );
+ _tnl_invalidate_vertices( ctx, ~0 );
+ RENDERINPUTS_ZERO( rmesa->tnl_index_bitset );
+
+ _tnl_need_projected_coords( ctx, GL_FALSE );
+ r300ChooseRenderState(ctx);
+}
+
+void r300DestroySwtcl(GLcontext *ctx)
+{
+}
+
+void r300EmitVertexAOS(r300ContextPtr rmesa, GLuint vertex_size, GLuint offset)
+{
+ int cmd_reserved = 0;
+ int cmd_written = 0;
+
+ drm_radeon_cmd_header_t *cmd = NULL;
+ if (RADEON_DEBUG & DEBUG_VERTS)
+ fprintf(stderr, "%s: vertex_size %d, offset 0x%x \n",
+ __FUNCTION__, vertex_size, offset);
+
+ start_packet3(CP_PACKET3(R300_PACKET3_3D_LOAD_VBPNTR, 2), 2);
+ e32(1);
+ e32(vertex_size | (vertex_size << 8));
+ e32(offset);
+}
+
+void r300EmitVbufPrim(r300ContextPtr rmesa, GLuint primitive, GLuint vertex_nr)
+{
+
+ int cmd_reserved = 0;
+ int cmd_written = 0;
+ int type, num_verts;
+ drm_radeon_cmd_header_t *cmd = NULL;
+
+ type = r300PrimitiveType(rmesa, primitive);
+ num_verts = r300NumVerts(rmesa, vertex_nr, primitive);
+
+ start_packet3(CP_PACKET3(R300_PACKET3_3D_DRAW_VBUF_2, 0), 0);
+ e32(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST | (num_verts << 16) | type);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-15 04:17:44 +0000