-/* $XFree86$ */ /* -*- c-basic-offset: 3 -*- */
+/* -*- c-basic-offset: 3 -*- */
/**************************************************************************
Copyright 2000, 2001 ATI Technologies Inc., Ontario, Canada, and
#include <stdio.h>
#include <math.h>
-#include "glheader.h"
-#include "mtypes.h"
-#include "colormac.h"
-#include "macros.h"
+#include "main/glheader.h"
+#include "main/mtypes.h"
+#include "main/colormac.h"
+#include "main/macros.h"
#include "swrast/swrast.h"
#include "swrast_setup/swrast_setup.h"
***********************************************************************/
#if defined (USE_X86_ASM)
-#define EMIT_VERT( j, vb, vertex_size, start, v ) \
-do { int __tmp; \
- vb += start; \
- __asm__ __volatile__( "rep ; movsl" \
- : "=%c" (j), "=D" (vb), "=S" (__tmp) \
- : "0" (vertex_size-start), \
- "D" ((long)vb), \
- "S" ((long)&v->ui[start])); \
+#define EMIT_VERT( j, vb, vertex_size, start, v ) \
+do { int __tmp; \
+ vb += start; \
+ __asm__ __volatile__( "rep ; movsl" \
+ : "=%c" (j), "=D" (vb), "=S" (__tmp) \
+ : "0" (vertex_size-start), \
+ "D" ((long)vb), \
+ "S" ((long)&(v)->ui[start])); \
} while (0)
#else
#define EMIT_VERT( j, vb, vertex_size, start, v ) \
} while (0)
#endif
-static void __inline__ savage_draw_triangle (savageContextPtr imesa,
+static void INLINE savage_draw_triangle (savageContextPtr imesa,
savageVertexPtr v0,
savageVertexPtr v1,
savageVertexPtr v2) {
- GLuint vertsize = imesa->vertex_size;
- uint32_t *vb = savageAllocDmaLow (imesa, 3*4*vertsize);
+ GLuint vertsize = imesa->HwVertexSize;
+ uint32_t *vb = savageAllocVtxBuf (imesa, 3*vertsize);
GLuint j;
EMIT_VERT (j, vb, vertsize, 0, v0);
EMIT_VERT (j, vb, vertsize, 0, v2);
}
-static void __inline__ savage_draw_quad (savageContextPtr imesa,
+static void INLINE savage_draw_quad (savageContextPtr imesa,
savageVertexPtr v0,
savageVertexPtr v1,
savageVertexPtr v2,
savageVertexPtr v3) {
- GLuint vertsize = imesa->vertex_size;
- uint32_t *vb = savageAllocDmaLow (imesa, 6*4*vertsize);
+ GLuint vertsize = imesa->HwVertexSize;
+ uint32_t *vb = savageAllocVtxBuf (imesa, 6*vertsize);
GLuint j;
EMIT_VERT (j, vb, vertsize, 0, v0);
EMIT_VERT (j, vb, vertsize, 0, v3);
}
-static __inline__ void savage_draw_point (savageContextPtr imesa,
+static INLINE void savage_draw_point (savageContextPtr imesa,
savageVertexPtr tmp) {
- GLuint vertsize = imesa->vertex_size;
- uint32_t *vb = savageAllocDmaLow (imesa, 6*4*vertsize);
+ GLuint vertsize = imesa->HwVertexSize;
+ uint32_t *vb = savageAllocVtxBuf (imesa, 6*vertsize);
const GLfloat x = tmp->v.x;
const GLfloat y = tmp->v.y;
- const GLfloat sz = imesa->glCtx->Point._Size * .5;
+ const GLfloat sz = 0.5 * CLAMP(imesa->glCtx->Point.Size,
+ imesa->glCtx->Const.MinPointSize,
+ imesa->glCtx->Const.MaxPointSize);
GLuint j;
*(float *)&vb[0] = x - sz;
EMIT_VERT (j, vb, vertsize, 2, tmp);
}
-static __inline__ void savage_draw_line (savageContextPtr imesa,
+static INLINE void savage_draw_line (savageContextPtr imesa,
savageVertexPtr v0,
savageVertexPtr v1 ) {
- GLuint vertsize = imesa->vertex_size;
- uint32_t *vb = savageAllocDmaLow (imesa, 6*4*vertsize);
- GLfloat width = imesa->glCtx->Line._Width;
+ GLuint vertsize = imesa->HwVertexSize;
+ uint32_t *vb = savageAllocVtxBuf (imesa, 6*vertsize);
+ const GLfloat width = CLAMP(imesa->glCtx->Line.Width,
+ imesa->glCtx->Const.MinLineWidth,
+ imesa->glCtx->Const.MaxLineWidth);
GLfloat dx, dy, ix, iy;
GLuint j;
*(float *)&vb[1] = v1->v.y + iy;
EMIT_VERT (j, vb, vertsize, 2, v1);
}
+
+/* Fallback drawing functions for the ptex hack. Code duplication
+ * (especially lines and points) isn't beautiful, but I didn't feel
+ * like inventing yet another template. :-/
+ */
+#define PTEX_VERTEX( j, tmp, vertex_size, start, v) \
+do { \
+ GLfloat rhw = 1.0 / v->f[vertex_size]; \
+ for ( j = start ; j < vertex_size ; j++ ) \
+ tmp.f[j] = v->f[j]; \
+ tmp.f[3] *= v->f[vertex_size]; \
+ tmp.f[vertex_size-2] *= rhw; \
+ tmp.f[vertex_size-1] *= rhw; \
+} while (0)
+
+static void INLINE savage_ptex_tri (savageContextPtr imesa,
+ savageVertexPtr v0,
+ savageVertexPtr v1,
+ savageVertexPtr v2) {
+ GLuint vertsize = imesa->HwVertexSize;
+ uint32_t *vb = savageAllocVtxBuf (imesa, 3*vertsize);
+ savageVertex tmp;
+ GLuint j;
+
+ PTEX_VERTEX (j, tmp, vertsize, 0, v0); EMIT_VERT (j, vb, vertsize, 0, &tmp);
+ PTEX_VERTEX (j, tmp, vertsize, 0, v1); EMIT_VERT (j, vb, vertsize, 0, &tmp);
+ PTEX_VERTEX (j, tmp, vertsize, 0, v2); EMIT_VERT (j, vb, vertsize, 0, &tmp);
+}
+
+static INLINE void savage_ptex_line (savageContextPtr imesa,
+ savageVertexPtr v0,
+ savageVertexPtr v1 ) {
+ GLuint vertsize = imesa->HwVertexSize;
+ uint32_t *vb = savageAllocVtxBuf (imesa, 6*vertsize);
+ const GLfloat width = CLAMP(imesa->glCtx->Line.Width,
+ imesa->glCtx->Const.MinLineWidth,
+ imesa->glCtx->Const.MaxLineWidth);
+ GLfloat dx, dy, ix, iy;
+ savageVertex tmp0, tmp1;
+ GLuint j;
+
+ PTEX_VERTEX (j, tmp0, vertsize, 2, v0);
+ PTEX_VERTEX (j, tmp1, vertsize, 2, v1);
+
+ dx = v0->v.x - v1->v.x;
+ dy = v0->v.y - v1->v.y;
+
+ ix = width * .5; iy = 0;
+ if (dx * dx > dy * dy) {
+ iy = ix; ix = 0;
+ }
+
+ *(float *)&vb[0] = v0->v.x - ix;
+ *(float *)&vb[1] = v0->v.y - iy;
+ EMIT_VERT (j, vb, vertsize, 2, &tmp0);
+
+ *(float *)&vb[0] = v1->v.x + ix;
+ *(float *)&vb[1] = v1->v.y + iy;
+ EMIT_VERT (j, vb, vertsize, 2, &tmp1);
+
+ *(float *)&vb[0] = v0->v.x + ix;
+ *(float *)&vb[1] = v0->v.y + iy;
+ EMIT_VERT (j, vb, vertsize, 2, &tmp0);
+
+ *(float *)&vb[0] = v0->v.x - ix;
+ *(float *)&vb[1] = v0->v.y - iy;
+ EMIT_VERT (j, vb, vertsize, 2, &tmp0);
+
+ *(float *)&vb[0] = v1->v.x - ix;
+ *(float *)&vb[1] = v1->v.y - iy;
+ EMIT_VERT (j, vb, vertsize, 2, &tmp1);
+
+ *(float *)&vb[0] = v1->v.x + ix;
+ *(float *)&vb[1] = v1->v.y + iy;
+ EMIT_VERT (j, vb, vertsize, 2, &tmp1);
+}
+
+static INLINE void savage_ptex_point (savageContextPtr imesa,
+ savageVertexPtr v0) {
+ GLuint vertsize = imesa->HwVertexSize;
+ uint32_t *vb = savageAllocVtxBuf (imesa, 6*vertsize);
+ const GLfloat x = v0->v.x;
+ const GLfloat y = v0->v.y;
+ const GLfloat sz = 0.5 * CLAMP(imesa->glCtx->Point.Size,
+ imesa->glCtx->Const.MinPointSize,
+ imesa->glCtx->Const.MaxPointSize);
+ savageVertex tmp;
+ GLuint j;
+
+ PTEX_VERTEX (j, tmp, vertsize, 2, v0);
+
+ *(float *)&vb[0] = x - sz;
+ *(float *)&vb[1] = y - sz;
+ EMIT_VERT (j, vb, vertsize, 2, &tmp);
+
+ *(float *)&vb[0] = x + sz;
+ *(float *)&vb[1] = y - sz;
+ EMIT_VERT (j, vb, vertsize, 2, &tmp);
+
+ *(float *)&vb[0] = x + sz;
+ *(float *)&vb[1] = y + sz;
+ EMIT_VERT (j, vb, vertsize, 2, &tmp);
+
+ *(float *)&vb[0] = x + sz;
+ *(float *)&vb[1] = y + sz;
+ EMIT_VERT (j, vb, vertsize, 2, &tmp);
+
+ *(float *)&vb[0] = x - sz;
+ *(float *)&vb[1] = y + sz;
+ EMIT_VERT (j, vb, vertsize, 2, &tmp);
+
+ *(float *)&vb[0] = x - sz;
+ *(float *)&vb[1] = y - sz;
+ EMIT_VERT (j, vb, vertsize, 2, &tmp);
+}
/***********************************************************************
* Macros for t_dd_tritmp.h to draw basic primitives *
static struct {
- points_func points;
- line_func line;
- triangle_func triangle;
- quad_func quad;
+ tnl_points_func points;
+ tnl_line_func line;
+ tnl_triangle_func triangle;
+ tnl_quad_func quad;
} rast_tab[SAVAGE_MAX_TRIFUNC];
#define TAB rast_tab
#define DEPTH_SCALE imesa->depth_scale
+#define REVERSE_DEPTH 1
#define UNFILLED_TRI unfilled_tri
#define UNFILLED_QUAD unfilled_quad
#define VERT_X(_v) _v->v.x
#define LOCAL_VARS(n) \
savageContextPtr imesa = SAVAGE_CONTEXT(ctx); \
- GLuint color[n], spec[n]; \
+ GLuint color[n] = { 0 }; \
+ GLuint spec[n] = { 0 }; \
GLuint coloroffset = \
- ((imesa->DrawPrimitiveCmd & SAVAGE_HW_NO_W) ? 3 : 4); \
+ ((imesa->skip & SAVAGE_SKIP_W) ? 3 : 4); \
GLboolean specoffset = \
- ((imesa->DrawPrimitiveCmd & SAVAGE_HW_NO_CS) ? 0 : coloroffset+1);\
+ ((imesa->skip & SAVAGE_SKIP_C1) ? 0 : coloroffset+1); \
(void) color; (void) spec; (void) coloroffset; (void) specoffset;
/***********************************************************************
{
GLcontext *ctx = imesa->glCtx;
SWvertex v[3];
+ FLUSH_BATCH(imesa);
+ WAIT_IDLE_EMPTY(imesa);
_swsetup_Translate( ctx, v0, &v[0] );
_swsetup_Translate( ctx, v1, &v[1] );
_swsetup_Translate( ctx, v2, &v[2] );
{
GLcontext *ctx = imesa->glCtx;
SWvertex v[2];
+ FLUSH_BATCH(imesa);
+ WAIT_IDLE_EMPTY(imesa);
_swsetup_Translate( ctx, v0, &v[0] );
_swsetup_Translate( ctx, v1, &v[1] );
_swrast_Line( ctx, &v[0], &v[1] );
{
GLcontext *ctx = imesa->glCtx;
SWvertex v[1];
+ FLUSH_BATCH(imesa);
+ WAIT_IDLE_EMPTY(imesa);
_swsetup_Translate( ctx, v0, &v[0] );
_swrast_Point( ctx, &v[0] );
}
#define _SAVAGE_NEW_RENDER_STATE (_DD_NEW_LINE_STIPPLE | \
_DD_NEW_LINE_SMOOTH | \
_DD_NEW_POINT_SMOOTH | \
+ _DD_NEW_TRI_STIPPLE | \
_DD_NEW_TRI_SMOOTH | \
_DD_NEW_TRI_UNFILLED | \
_DD_NEW_TRI_LIGHT_TWOSIDE | \
/* original driver didn't have DD_POINT_SMOOTH. really needed? */
#define POINT_FALLBACK (DD_POINT_SMOOTH)
#define LINE_FALLBACK (DD_LINE_STIPPLE|DD_LINE_SMOOTH)
-#define TRI_FALLBACK (DD_TRI_SMOOTH)
+#define TRI_FALLBACK (DD_TRI_STIPPLE|DD_TRI_SMOOTH)
#define ANY_FALLBACK_FLAGS (POINT_FALLBACK|LINE_FALLBACK|TRI_FALLBACK)
#define ANY_RASTER_FLAGS (DD_TRI_LIGHT_TWOSIDE|DD_TRI_OFFSET|DD_TRI_UNFILLED)
GLuint flags = ctx->_TriangleCaps;
GLuint index = 0;
- if (flags & (ANY_RASTER_FLAGS|ANY_FALLBACK_FLAGS)) {
+ /* Hook in fallback functions for the ptex hack. Do this first, so
+ * that a real fallback will overwrite them with the respective
+ * savage_fallback_... function.
+ */
+ if (imesa->ptexHack) {
+ /* Do textures make sense with points? */
+ imesa->draw_point = savage_ptex_point;
+ imesa->draw_line = savage_ptex_line;
+ imesa->draw_tri = savage_ptex_tri;
+ index |= SAVAGE_FALLBACK_BIT;
+ } else {
imesa->draw_point = savage_draw_point;
imesa->draw_line = savage_draw_line;
imesa->draw_tri = savage_draw_triangle;
+ }
+ if (flags & (ANY_RASTER_FLAGS|ANY_FALLBACK_FLAGS)) {
if (flags & ANY_RASTER_FLAGS) {
if (flags & DD_TRI_LIGHT_TWOSIDE) index |= SAVAGE_TWOSIDE_BIT;
if (flags & DD_TRI_OFFSET) index |= SAVAGE_OFFSET_BIT;
/* Hook in fallbacks for specific primitives.
*/
- if (flags & (POINT_FALLBACK|LINE_FALLBACK|TRI_FALLBACK)) {
+ if (flags & ANY_FALLBACK_FLAGS) {
if (flags & POINT_FALLBACK) imesa->draw_point = savage_fallback_point;
if (flags & LINE_FALLBACK) imesa->draw_line = savage_fallback_line;
if (flags & TRI_FALLBACK) imesa->draw_tri = savage_fallback_tri;
index |= SAVAGE_FALLBACK_BIT;
+ if (SAVAGE_DEBUG & DEBUG_FALLBACKS) {
+ fprintf (stderr, "Per-primitive fallback, TriangleCaps=0x%x\n",
+ ctx->_TriangleCaps);
+ }
}
}
{
savageContextPtr imesa = SAVAGE_CONTEXT(ctx);
+ if (imesa->no_rast)
+ FALLBACK(ctx, SAVAGE_FALLBACK_NORAST, GL_TRUE);
+
if (imesa->new_state)
savageDDUpdateHwState( ctx );
- if (!imesa->Fallback && imesa->new_gl_state) {
+ if (!imesa->Fallback) {
if (imesa->new_gl_state & _SAVAGE_NEW_RENDER_STATE)
savageChooseRenderState( ctx );
+ /* choose the correct primitive type for tnl rendering */
+ if (imesa->savageScreen->chipset < S3_SAVAGE4 &&
+ (ctx->_TriangleCaps & DD_FLATSHADE)) {
+ if (imesa->HwPrim != SAVAGE_PRIM_TRILIST_201)
+ savageFlushVertices(imesa);
+ imesa->HwPrim = SAVAGE_PRIM_TRILIST_201;
+ } else {
+ if (imesa->HwPrim != SAVAGE_PRIM_TRILIST)
+ savageFlushVertices(imesa);
+ imesa->HwPrim = SAVAGE_PRIM_TRILIST;
+ }
+
imesa->new_gl_state = 0;
}
_tnl_run_pipeline( ctx );
+
+ if (imesa->no_rast)
+ FALLBACK(ctx, SAVAGE_FALLBACK_NORAST, GL_FALSE);
}
/**********************************************************************/
{
savageContextPtr imesa = SAVAGE_CONTEXT( ctx );
- FLUSH_BATCH(imesa);
-
/* Update culling */
- if (imesa->raster_primitive != prim)
- imesa->dirty |= SAVAGE_UPLOAD_CTX;
+ if (imesa->raster_primitive != prim) {
+ imesa->raster_primitive = prim;
+ imesa->new_state |= SAVAGE_NEW_CULL;
+ savageDDUpdateHwState (ctx);
+ }
- imesa->raster_primitive = prim;
#if 0
if (ctx->Polygon.StippleFlag && mmesa->haveHwStipple)
{
}
}
+/* Check if projective texture coordinates are used and if we can fake
+ * them. Fallback to swrast we can't. Returns GL_TRUE if projective
+ * texture coordinates must be faked, GL_FALSE otherwise.
+ */
+static GLboolean savageCheckPTexHack( GLcontext *ctx )
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ struct vertex_buffer *VB = &tnl->vb;
+ DECLARE_RENDERINPUTS(index_bitset);
+
+ RENDERINPUTS_COPY( index_bitset, tnl->render_inputs_bitset );
-#define EMIT_ATTR( ATTR, STYLE, SKIP ) \
+ if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_TEX0 ) && VB->AttribPtr[_TNL_ATTRIB_TEX0]->size == 4) {
+ if (!RENDERINPUTS_TEST_RANGE( index_bitset, _TNL_ATTRIB_TEX1, _TNL_LAST_TEX ))
+ return GL_TRUE; /* apply ptex hack */
+ else
+ FALLBACK(ctx, SAVAGE_FALLBACK_PROJ_TEXTURE, GL_TRUE);
+ }
+ if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_TEX1 ) && VB->AttribPtr[_TNL_ATTRIB_TEX1]->size == 4)
+ FALLBACK(ctx, SAVAGE_FALLBACK_PROJ_TEXTURE, GL_TRUE);
+
+ return GL_FALSE; /* don't apply ptex hack */
+}
+
+
+#define DO_EMIT_ATTR( ATTR, STYLE ) \
do { \
imesa->vertex_attrs[imesa->vertex_attr_count].attrib = (ATTR); \
imesa->vertex_attrs[imesa->vertex_attr_count].format = (STYLE); \
imesa->vertex_attr_count++; \
- drawCmd &= ~SKIP; \
} while (0)
-static void savageRenderStart( GLcontext *ctx )
+#define NEED_ATTR( INDEX, SKIP ) \
+do { \
+ setupIndex |= (INDEX); \
+ skip &= ~(SKIP); \
+} while (0)
+
+#define EMIT_ATTR( ATTR, STYLE, INDEX, SKIP ) \
+do { \
+ NEED_ATTR( INDEX, SKIP ); \
+ DO_EMIT_ATTR( ATTR, STYLE ); \
+} while (0)
+
+#define EMIT_PAD( N ) \
+do { \
+ imesa->vertex_attrs[imesa->vertex_attr_count].attrib = 0; \
+ imesa->vertex_attrs[imesa->vertex_attr_count].format = EMIT_PAD; \
+ imesa->vertex_attrs[imesa->vertex_attr_count].offset = (N); \
+ imesa->vertex_attr_count++; \
+} while (0)
+
+#define SAVAGE_EMIT_XYZ 0x0001
+#define SAVAGE_EMIT_W 0x0002
+#define SAVAGE_EMIT_C0 0x0004
+#define SAVAGE_EMIT_C1 0x0008
+#define SAVAGE_EMIT_FOG 0x0010
+#define SAVAGE_EMIT_S0 0x0020
+#define SAVAGE_EMIT_T0 0x0040
+#define SAVAGE_EMIT_Q0 0x0080
+#define SAVAGE_EMIT_ST0 0x0060
+#define SAVAGE_EMIT_STQ0 0x00e0
+#define SAVAGE_EMIT_S1 0x0100
+#define SAVAGE_EMIT_T1 0x0200
+#define SAVAGE_EMIT_ST1 0x0300
+
+
+static INLINE GLuint savageChooseVertexFormat_s3d( GLcontext *ctx )
{
savageContextPtr imesa = SAVAGE_CONTEXT(ctx);
TNLcontext *tnl = TNL_CONTEXT(ctx);
struct vertex_buffer *VB = &tnl->vb;
- GLuint index = tnl->render_inputs;
- GLuint drawCmd = SAVAGE_HW_SKIPFLAGS;
- if (imesa->savageScreen->chipset < S3_SAVAGE4)
- drawCmd &= ~SAVAGE_HW_NO_UV1;
- drawCmd &= ~SAVAGE_HW_NO_Z; /* all mesa vertices have a z coordinate */
+ DECLARE_RENDERINPUTS(index_bitset);
+ GLuint setupIndex = SAVAGE_EMIT_XYZ;
+ GLubyte skip;
- /* Important:
- */
- VB->AttribPtr[VERT_ATTRIB_POS] = VB->NdcPtr;
+ RENDERINPUTS_COPY( index_bitset, tnl->render_inputs_bitset );
imesa->vertex_attr_count = 0;
-
+
+ skip = SAVAGE_SKIP_ALL_S3D;
+ skip &= ~SAVAGE_SKIP_Z; /* all mesa vertices have a z coordinate */
+
/* EMIT_ATTR's must be in order as they tell t_vertex.c how to
* build up a hardware vertex.
*/
- if ((index & _TNL_BITS_TEX_ANY) || !(ctx->_TriangleCaps & DD_FLATSHADE)) {
- EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_4F_VIEWPORT, SAVAGE_HW_NO_W );
- }
+ if (RENDERINPUTS_TEST_RANGE( index_bitset, _TNL_FIRST_TEX, _TNL_LAST_TEX ) || !(ctx->_TriangleCaps & DD_FLATSHADE))
+ EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_4F_VIEWPORT, SAVAGE_EMIT_W, SAVAGE_SKIP_W );
else {
- EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_3F_VIEWPORT, 0 );
+ EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_3F_VIEWPORT, 0, 0 );
+ EMIT_PAD( 4 );
+ skip &= ~SAVAGE_SKIP_W;
}
/* t_context.c always includes a diffuse color */
- EMIT_ATTR( _TNL_ATTRIB_COLOR0, EMIT_4UB_4F_RGBA, SAVAGE_HW_NO_CD );
-
- if (index & (_TNL_BIT_COLOR1|_TNL_BIT_FOG)) {
- EMIT_ATTR( _TNL_ATTRIB_COLOR1, EMIT_3UB_3F_RGB, SAVAGE_HW_NO_CS );
- EMIT_ATTR( _TNL_ATTRIB_FOG, EMIT_1UB_1F, SAVAGE_HW_NO_CS );
- }
+ EMIT_ATTR( _TNL_ATTRIB_COLOR0, EMIT_4UB_4F_BGRA, SAVAGE_EMIT_C0, SAVAGE_SKIP_C0 );
+
+ if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_COLOR1 ))
+ EMIT_ATTR( _TNL_ATTRIB_COLOR1, EMIT_3UB_3F_BGR, SAVAGE_EMIT_C1, SAVAGE_SKIP_C1 );
+ else
+ EMIT_PAD( 3 );
+ if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_FOG ))
+ EMIT_ATTR( _TNL_ATTRIB_FOG, EMIT_1UB_1F, SAVAGE_EMIT_FOG, SAVAGE_SKIP_C1 );
+ else
+ EMIT_PAD( 1 );
+ skip &= ~SAVAGE_SKIP_C1;
+
+ if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_TEX0 )) {
+ if (imesa->ptexHack)
+ EMIT_ATTR( _TNL_ATTRIB_TEX0, EMIT_3F_XYW, SAVAGE_EMIT_STQ0, SAVAGE_SKIP_ST0);
+ else if (VB->AttribPtr[_TNL_ATTRIB_TEX0]->size == 4)
+ assert (0); /* should be caught by savageCheckPTexHack */
+ else if (VB->AttribPtr[_TNL_ATTRIB_TEX0]->size >= 2)
+ /* The chromium menu emits some 3D tex coords even though no
+ * 3D texture is enabled. Ignore the 3rd coordinate. */
+ EMIT_ATTR( _TNL_ATTRIB_TEX0, EMIT_2F, SAVAGE_EMIT_ST0, SAVAGE_SKIP_ST0 );
+ else if (VB->AttribPtr[_TNL_ATTRIB_TEX0]->size == 1) {
+ EMIT_ATTR( _TNL_ATTRIB_TEX0, EMIT_1F, SAVAGE_EMIT_S0, SAVAGE_SKIP_S0 );
+ EMIT_PAD( 4 );
+ } else
+ EMIT_PAD( 8 );
+ } else
+ EMIT_PAD( 8 );
+ skip &= ~SAVAGE_SKIP_ST0;
+
+ assert (skip == 0);
+ imesa->skip = skip;
+ return setupIndex;
+}
- if (index & _TNL_BIT_TEX(0)) {
- if (VB->TexCoordPtr[0]->size > 2) {
- /* projective textures are not supported by the hardware */
- FALLBACK(ctx, SAVAGE_FALLBACK_TEXTURE, GL_TRUE);
- }
- if (VB->TexCoordPtr[0]->size == 2)
- EMIT_ATTR( _TNL_ATTRIB_TEX0, EMIT_2F, SAVAGE_HW_NO_UV0 );
+
+static INLINE GLuint savageChooseVertexFormat_s4( GLcontext *ctx )
+{
+ savageContextPtr imesa = SAVAGE_CONTEXT(ctx);
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ struct vertex_buffer *VB = &tnl->vb;
+ DECLARE_RENDERINPUTS(index_bitset);
+ GLuint setupIndex = SAVAGE_EMIT_XYZ;
+ GLubyte skip;
+ GLuint size, mask;
+
+ RENDERINPUTS_COPY( index_bitset, tnl->render_inputs_bitset );
+ skip = SAVAGE_SKIP_ALL_S4;
+ skip &= ~SAVAGE_SKIP_Z; /* all mesa vertices have a z coordinate */
+
+ if (RENDERINPUTS_TEST_RANGE( index_bitset, _TNL_FIRST_TEX, _TNL_LAST_TEX ) || !(ctx->_TriangleCaps & DD_FLATSHADE))
+ NEED_ATTR( SAVAGE_EMIT_W, SAVAGE_SKIP_W );
+
+ /* t_context.c always includes a diffuse color */
+ NEED_ATTR( SAVAGE_EMIT_C0, SAVAGE_SKIP_C0 );
+
+ if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_COLOR1 ))
+ NEED_ATTR( SAVAGE_EMIT_C1, SAVAGE_SKIP_C1 );
+ if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_FOG ))
+ NEED_ATTR( SAVAGE_EMIT_FOG, SAVAGE_SKIP_C1 );
+
+ if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_TEX0 )) {
+ if (imesa->ptexHack)
+ NEED_ATTR( SAVAGE_EMIT_STQ0, SAVAGE_SKIP_ST0);
+ else if (VB->AttribPtr[_TNL_ATTRIB_TEX0]->size == 4)
+ assert (0); /* should be caught by savageCheckPTexHack */
+ else if (VB->AttribPtr[_TNL_ATTRIB_TEX0]->size >= 2)
+ /* The chromium menu emits some 3D tex coords even though no
+ * 3D texture is enabled. Ignore the 3rd coordinate. */
+ NEED_ATTR( SAVAGE_EMIT_ST0, SAVAGE_SKIP_ST0 );
else
- EMIT_ATTR( _TNL_ATTRIB_TEX0, EMIT_1F, SAVAGE_HW_NO_U0 );
+ NEED_ATTR( SAVAGE_EMIT_S0, SAVAGE_SKIP_S0 );
}
- if (index & _TNL_BIT_TEX(1)) {
- if (VB->TexCoordPtr[1]->size > 2) {
+ if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_TEX1 )) {
+ if (VB->AttribPtr[_TNL_ATTRIB_TEX1]->size == 4)
/* projective textures are not supported by the hardware */
- FALLBACK(ctx, SAVAGE_FALLBACK_TEXTURE, GL_TRUE);
- }
- if (VB->TexCoordPtr[1]->size == 2)
- EMIT_ATTR( _TNL_ATTRIB_TEX1, EMIT_2F, SAVAGE_HW_NO_UV1 );
+ assert (0); /* should be caught by savageCheckPTexHack */
+ else if (VB->AttribPtr[_TNL_ATTRIB_TEX1]->size >= 2)
+ NEED_ATTR( SAVAGE_EMIT_ST1, SAVAGE_SKIP_ST1 );
else
- EMIT_ATTR( _TNL_ATTRIB_TEX1, EMIT_1F, SAVAGE_HW_NO_U1 );
+ NEED_ATTR( SAVAGE_EMIT_S1, SAVAGE_SKIP_S1 );
+ }
+
+ /* if nothing changed we can skip the rest */
+ if (setupIndex == imesa->SetupIndex && imesa->vertex_size != 0)
+ return setupIndex;
+
+ if (imesa->enable_vdma) {
+ mask = SAVAGE_SKIP_W;
+ size = 10 - (skip & 1) - (skip >> 1 & 1) -
+ (skip >> 2 & 1) - (skip >> 3 & 1) - (skip >> 4 & 1) -
+ (skip >> 5 & 1) - (skip >> 6 & 1) - (skip >> 7 & 1);
+
+ while (size < 8) {
+ if (skip & mask) {
+ skip &= ~mask;
+ size++;
+ }
+ mask <<= 1;
+ }
+ }
+
+ imesa->vertex_attr_count = 0;
+
+ if (skip & SAVAGE_SKIP_W)
+ DO_EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_3F_VIEWPORT );
+ else if (setupIndex & SAVAGE_EMIT_W)
+ DO_EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_4F_VIEWPORT );
+ else {
+ DO_EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_3F_VIEWPORT );
+ EMIT_PAD( 4 );
+ }
+
+ DO_EMIT_ATTR( _TNL_ATTRIB_COLOR0, EMIT_4UB_4F_BGRA );
+
+ if (!(skip & SAVAGE_SKIP_C1)) {
+ if (!(setupIndex & (SAVAGE_EMIT_C1|SAVAGE_EMIT_FOG)))
+ EMIT_PAD( 4 );
+ else {
+ if (setupIndex & SAVAGE_EMIT_C1)
+ DO_EMIT_ATTR( _TNL_ATTRIB_COLOR1, EMIT_3UB_3F_BGR );
+ else
+ EMIT_PAD( 3 );
+ if (setupIndex & SAVAGE_EMIT_FOG)
+ DO_EMIT_ATTR( _TNL_ATTRIB_FOG, EMIT_1UB_1F );
+ else
+ EMIT_PAD( 1 );
+ }
+ }
+
+ if ((skip & SAVAGE_SKIP_ST0) != SAVAGE_SKIP_ST0) {
+ if ((setupIndex & SAVAGE_EMIT_STQ0) == SAVAGE_EMIT_STQ0)
+ DO_EMIT_ATTR( _TNL_ATTRIB_TEX0, EMIT_3F_XYW );
+ else if ((setupIndex & SAVAGE_EMIT_ST0) == SAVAGE_EMIT_ST0)
+ DO_EMIT_ATTR( _TNL_ATTRIB_TEX0, EMIT_2F );
+ else if ((setupIndex & SAVAGE_EMIT_ST0) == SAVAGE_EMIT_S0) {
+ DO_EMIT_ATTR( _TNL_ATTRIB_TEX0, EMIT_1F );
+ if (!(skip & SAVAGE_SKIP_T0)) EMIT_PAD( 4 );
+ } else {
+ if (!(skip & SAVAGE_SKIP_S0)) EMIT_PAD( 4 );
+ if (!(skip & SAVAGE_SKIP_T0)) EMIT_PAD( 4 );
+ }
+ }
+
+ if ((skip & SAVAGE_SKIP_ST1) != SAVAGE_SKIP_ST1) {
+ if ((setupIndex & SAVAGE_EMIT_ST1) == SAVAGE_EMIT_ST1)
+ DO_EMIT_ATTR( _TNL_ATTRIB_TEX1, EMIT_2F );
+ else if ((setupIndex & SAVAGE_EMIT_ST1) == SAVAGE_EMIT_S1) {
+ DO_EMIT_ATTR( _TNL_ATTRIB_TEX1, EMIT_1F );
+ if (!(skip & SAVAGE_SKIP_T1)) EMIT_PAD( 4 );
+ } else {
+ if (!(skip & SAVAGE_SKIP_S1)) EMIT_PAD( 4 );
+ if (!(skip & SAVAGE_SKIP_T1)) EMIT_PAD( 4 );
+ }
+ }
+
+ imesa->skip = skip;
+ return setupIndex;
+}
+
+
+static void savageRenderStart( GLcontext *ctx )
+{
+ savageContextPtr imesa = SAVAGE_CONTEXT(ctx);
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ struct vertex_buffer *VB = &tnl->vb;
+ GLuint setupIndex = SAVAGE_EMIT_XYZ;
+ GLboolean ptexHack;
+
+ /* Check if we need to apply the ptex hack. Choose a new render
+ * state if necessary. (Note: this can't be done in
+ * savageRunPipeline, since the number of vertex coordinates can
+ * change in the pipeline. texmat or texgen or both?) */
+ ptexHack = savageCheckPTexHack( ctx );
+ if (ptexHack != imesa->ptexHack) {
+ imesa->ptexHack = ptexHack;
+ savageChooseRenderState (ctx);
+ }
+ /* Handle fallback cases identified in savageCheckPTexHack. */
+ if (SAVAGE_CONTEXT(ctx)->Fallback) {
+ tnl->Driver.Render.Start(ctx);
+ return;
}
- /* Only need to change the vertex emit code if there has been a
- * statechange to a new hardware vertex format and also when the
- * vertex format is set for the first time. This is indicated by
- * imesa->vertex_size == 0.
+ /* Important:
*/
- if (drawCmd != (imesa->DrawPrimitiveCmd & SAVAGE_HW_SKIPFLAGS) ||
- imesa->vertex_size == 0) {
- imesa->vertex_size =
+ VB->AttribPtr[VERT_ATTRIB_POS] = VB->NdcPtr;
+
+ if (imesa->savageScreen->chipset < S3_SAVAGE4) {
+ setupIndex = savageChooseVertexFormat_s3d(ctx);
+ } else {
+ setupIndex = savageChooseVertexFormat_s4(ctx);
+ }
+
+ /* Need to change the vertex emit code if the SetupIndex changed or
+ * is set for the first time (indicated by vertex_size == 0). */
+ if (setupIndex != imesa->SetupIndex || imesa->vertex_size == 0) {
+ GLuint hwVertexSize;
+ imesa->vertex_size =
_tnl_install_attrs( ctx,
imesa->vertex_attrs,
imesa->vertex_attr_count,
imesa->hw_viewport, 0 );
imesa->vertex_size >>= 2;
-
- imesa->DrawPrimitiveCmd = drawCmd;
- }
-
- if (!SAVAGE_CONTEXT(ctx)->Fallback) {
- /* Update hardware state and get the lock */
- savageDDRenderStart( ctx );
- } else {
- tnl->Driver.Render.Start(ctx);
+ imesa->SetupIndex = setupIndex;
+
+ hwVertexSize = imesa->vertex_size;
+ if (setupIndex & SAVAGE_EMIT_Q0) {
+ /* The vertex setup code emits homogenous texture
+ * coordinates. They are converted to normal 2D coords by
+ * savage_ptex_tri/line/point. Now we have two different
+ * vertex sizes. Functions that emit vertices to the hardware
+ * need to use HwVertexSize, anything that manipulates the
+ * vertices generated by t_vertex uses vertex_size. */
+ hwVertexSize--;
+ assert (imesa->ptexHack);
+ } else
+ assert (!imesa->ptexHack);
+
+ if (hwVertexSize != imesa->HwVertexSize) {
+ /* Changing the vertex size: flush vertex and command buffer and
+ * discard the DMA buffer, if we were using one. */
+ savageFlushVertices(imesa);
+ savageFlushCmdBuf(imesa, GL_TRUE);
+ if (hwVertexSize == 8 && imesa->enable_vdma) {
+ if (SAVAGE_DEBUG & DEBUG_DMA)
+ fprintf (stderr, "Using DMA, skip=0x%02x\n", imesa->skip);
+ /* we can use vertex dma */
+ imesa->vtxBuf = &imesa->dmaVtxBuf;
+ } else {
+ if (SAVAGE_DEBUG & DEBUG_DMA)
+ fprintf (stderr, "Not using DMA, skip=0x%02x\n", imesa->skip);
+ imesa->vtxBuf = &imesa->clientVtxBuf;
+ }
+ imesa->HwVertexSize = hwVertexSize;
+ }
}
}
static void savageRenderFinish( GLcontext *ctx )
{
- /* Release the lock */
- savageDDRenderEnd( ctx );
-
- /* Flush the last primitive now, before any state is changed.
- * Alternatively state could be emitted in all state-changing
- * functions in savagestate.c. */
- FLUSH_BATCH(SAVAGE_CONTEXT(ctx));
+ /* Flush the last primitive now, before any state is changed. */
+ savageFlushVertices(SAVAGE_CONTEXT(ctx));
if (SAVAGE_CONTEXT(ctx)->RenderIndex & SAVAGE_FALLBACK_BIT)
_swrast_flush( ctx );
/* Transition to/from hardware rasterization. */
/**********************************************************************/
+static const char * const fallbackStrings[] = {
+ "Texture mode",
+ "Draw buffer",
+ "Read buffer",
+ "Color mask",
+ "Specular",
+ "LogicOp",
+ "glEnable(GL_STENCIL) without hw stencil buffer",
+ "glRenderMode(selection or feedback)",
+ "glBlendEquation",
+ "Hardware rasterization disabled",
+ "Projective texture",
+};
+
void savageFallback( GLcontext *ctx, GLuint bit, GLboolean mode )
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
savageContextPtr imesa = SAVAGE_CONTEXT(ctx);
GLuint oldfallback = imesa->Fallback;
+ GLuint index;
+ for (index = 0; (1 << index) < bit; ++index);
if (mode) {
imesa->Fallback |= bit;
if (oldfallback == 0) {
/* the first fallback */
- FLUSH_BATCH( imesa );
_swsetup_Wakeup( ctx );
imesa->RenderIndex = ~0;
}
+ if (!(oldfallback & bit) && (SAVAGE_DEBUG & DEBUG_FALLBACKS))
+ fprintf (stderr, "Savage begin fallback: 0x%x %s\n",
+ bit, fallbackStrings[index]);
}
else {
imesa->Fallback &= ~bit;
imesa->new_gl_state |= _SAVAGE_NEW_RENDER_STATE;
}
+ if ((oldfallback & bit) && (SAVAGE_DEBUG & DEBUG_FALLBACKS))
+ fprintf (stderr, "Savage end fallback: 0x%x %s\n",
+ bit, fallbackStrings[index]);
}
}
projects / mesa.git / blobdiff