Clean up _tnl_Begin/begin/hard_begin.

Fix some problems with draw_arrays, draw_elements.
This commit is contained in:
Keith Whitwell
2001-05-11 15:53:06 +00:00
parent b8f9980999
commit c6083e1dc4
6 changed files with 149 additions and 143 deletions

View File

@@ -1,4 +1,4 @@
/* $Id: t_array_api.c,v 1.14 2001/05/11 08:11:31 keithw Exp $ */
/* $Id: t_array_api.c,v 1.15 2001/05/11 15:53:06 keithw Exp $ */
/*
* Mesa 3-D graphics library
@@ -48,6 +48,8 @@
static void fallback_drawarrays( GLcontext *ctx, GLenum mode, GLint start,
GLsizei count )
{
/* fprintf(stderr, "%s\n", __FUNCTION__); */
/* Need to produce immediate structs, either for compiling or
* because the array range is too large to process in a single
* VB. In GL_EXECUTE mode, this introduces two redundant
@@ -56,20 +58,18 @@ static void fallback_drawarrays( GLcontext *ctx, GLenum mode, GLint start,
*/
#if 1
if (_tnl_hard_begin( ctx, mode )) {
GLint j;
for (j = 0 ; j < count ; ) {
GLint i;
for (i = 0 ; i < count ; ) {
struct immediate *IM = TNL_CURRENT_IM(ctx);
GLuint nr = MIN2( IMM_MAXDATA - IM->Start, (GLuint) (count - j) );
GLuint sf = IM->Flag[IM->Start];
GLuint start = IM->Start;
GLuint nr = MIN2( IMM_MAXDATA - start, (GLuint) (count - i) );
_tnl_fill_immediate_drawarrays( ctx, IM, j, j+nr );
_tnl_fill_immediate_drawarrays( ctx, IM, i, i+nr );
if (j == 0) IM->Flag[IM->Start] |= sf;
IM->Count = start + nr;
i += nr;
IM->Count = IM->Start + nr;
j += nr;
if (j == count)
if (i == count)
_tnl_end( ctx );
_tnl_flush_immediate( IM );
@@ -93,30 +93,31 @@ static void fallback_drawarrays( GLcontext *ctx, GLenum mode, GLint start,
static void fallback_drawelements( GLcontext *ctx, GLenum mode, GLsizei count,
const GLuint *indices)
{
/* fprintf(stderr, "%s\n", __FUNCTION__); */
#if 1
/* Optimized code that fakes the effect of calling
* _tnl_array_element for each index in the list.
*/
if (_tnl_hard_begin( ctx, mode )) {
GLint i, j;
for (j = 0 ; j < count ; ) {
for (i = 0 ; i < count ; ) {
struct immediate *IM = TNL_CURRENT_IM(ctx);
GLuint start = IM->Start;
GLint nr = MIN2( (GLint) (IMM_MAXDATA - start), count - j ) + start;
GLint end = MIN2( IMM_MAXDATA, (count - i) + start);
GLuint sf = IM->Flag[start];
IM->FlushElt = IM->ArrayEltFlush;
for (i = start ; i < nr ; i++) {
IM->Elt[i] = (GLuint) *indices++;
IM->Flag[i] = VERT_ELT;
for (j = start ; j < end ; j++) {
IM->Elt[j] = (GLuint) *indices++;
IM->Flag[j] = VERT_ELT;
}
if (j == 0) IM->Flag[start] |= sf;
IM->Flag[start] |= (sf & IM->ArrayEltFlags);
IM->Count = end;
i += end - start;
IM->Count = nr;
j += nr - start;
if (j == count)
if (i == count)
_tnl_end( ctx );
_tnl_flush_immediate( IM );
@@ -171,6 +172,8 @@ _tnl_DrawArrays(GLenum mode, GLint start, GLsizei count)
TNLcontext *tnl = TNL_CONTEXT(ctx);
struct vertex_buffer *VB = &tnl->vb;
/* fprintf(stderr, "%s\n", __FUNCTION__); */
/* Check arguments, etc.
*/
if (!_mesa_validate_DrawArrays( ctx, mode, start, count ))
@@ -278,10 +281,13 @@ _tnl_DrawArrays(GLenum mode, GLint start, GLsizei count)
/* fprintf(stderr, "start %d count %d min %d modulo %d skip %d\n", */
/* start, count, minimum, modulo, skip); */
bufsz -= bufsz % modulo;
bufsz -= minimum;
for (j = start + minimum ; j < count ; j += nr + skip ) {
nr = MIN2( bufsz, count - j );
nr -= nr % modulo;
/* fprintf(stderr, "%d..%d\n", j - minimum, j+nr); */
@@ -307,6 +313,8 @@ _tnl_DrawRangeElements(GLenum mode,
TNLcontext *tnl = TNL_CONTEXT(ctx);
GLuint *ui_indices;
/* fprintf(stderr, "%s\n", __FUNCTION__); */
/* Check arguments, etc.
*/
if (!_mesa_validate_DrawRangeElements( ctx, mode, start, end, count,
@@ -367,6 +375,8 @@ _tnl_DrawElements(GLenum mode, GLsizei count, GLenum type,
TNLcontext *tnl = TNL_CONTEXT(ctx);
GLuint *ui_indices;
/* fprintf(stderr, "%s\n", __FUNCTION__); */
/* Check arguments, etc.
*/
if (!_mesa_validate_DrawElements( ctx, mode, count, type, indices ))

View File

@@ -1,4 +1,4 @@
/* $Id: t_array_import.c,v 1.15 2001/05/11 08:11:31 keithw Exp $ */
/* $Id: t_array_import.c,v 1.16 2001/05/11 15:53:06 keithw Exp $ */
/*
* Mesa 3-D graphics library
@@ -492,6 +492,7 @@ void _tnl_fill_immediate_drawarrays( GLcontext *ctx, struct immediate *IM,
}
IM->Count = IM->Start + n;
IM->Flag[IM->Start] &= IM->ArrayEltFlags;
IM->Flag[IM->Start] |= required;
for (i = IM->Start+1 ; i < IM->Count ; i++)
IM->Flag[i] = required;

View File

@@ -1,4 +1,4 @@
/* $Id: t_imm_api.c,v 1.13 2001/05/11 08:11:31 keithw Exp $ */
/* $Id: t_imm_api.c,v 1.14 2001/05/11 15:53:06 keithw Exp $ */
/*
* Mesa 3-D graphics library
@@ -78,6 +78,11 @@ void _tnl_flush_vertices( GLcontext *ctx, GLuint flags )
}
/* Note the ctx argument. This function called only by _tnl_Begin,
* _tnl_save_Begin and _tnl_hard_begin() in this file.
*/
static void
_tnl_begin( GLcontext *ctx, GLenum p )
{
@@ -136,6 +141,25 @@ _tnl_begin( GLcontext *ctx, GLenum p )
}
void
_tnl_save_Begin( GLenum mode )
{
GET_CURRENT_CONTEXT(ctx);
if (mode > GL_POLYGON) {
_mesa_compile_error( ctx, GL_INVALID_ENUM, "glBegin" );
return;
}
_tnl_begin( ctx, mode );
/* Update save_primitive now.
*/
if (ctx->Driver.CurrentSavePrimitive == PRIM_UNKNOWN)
ctx->Driver.CurrentSavePrimitive = PRIM_INSIDE_UNKNOWN_PRIM;
else if (ctx->Driver.CurrentSavePrimitive == PRIM_OUTSIDE_BEGIN_END)
ctx->Driver.CurrentSavePrimitive = mode;
}
static void
_tnl_Begin( GLenum mode )
@@ -149,66 +173,63 @@ _tnl_Begin( GLenum mode )
_tnl_begin(ctx, mode);
/* If compiling update SavePrimitive now.
*
* In compile_and_exec mode, exec_primitive will be updated when
* the cassette is finished.
*
* If not compiling, update exec_primitive now.
/* Update exec_primitive now.
*/
if (ctx->CompileFlag) {
if (ctx->Driver.CurrentSavePrimitive == PRIM_UNKNOWN)
ctx->Driver.CurrentSavePrimitive = PRIM_INSIDE_UNKNOWN_PRIM;
else if (ctx->Driver.CurrentSavePrimitive == PRIM_OUTSIDE_BEGIN_END)
ctx->Driver.CurrentSavePrimitive = mode;
}
else if (ctx->Driver.CurrentExecPrimitive == PRIM_OUTSIDE_BEGIN_END) {
/* fprintf(stderr, "setting cep %x in %s\n", mode, __FUNCTION__); */
ASSERT (!ctx->CompileFlag);
if (ctx->Driver.CurrentExecPrimitive == PRIM_OUTSIDE_BEGIN_END) {
ctx->Driver.CurrentExecPrimitive = mode;
}
}
/* Function which allows operations like 'glRectf' to decompose to a
* begin/end object and vertices without worrying about what happens
* with display lists.
*/
GLboolean
_tnl_hard_begin( GLcontext *ctx, GLenum p )
{
if (!ctx->CompileFlag) {
/* If not compiling, treat as a normal begin().
*/
_tnl_begin( ctx, p );
ASSERT(ctx->Driver.CurrentExecPrimitive == PRIM_OUTSIDE_BEGIN_END);
ctx->Driver.CurrentExecPrimitive = p;
return GL_TRUE;
}
else {
/* Otherwise, need to do special processing to preserve the
* condition that these vertices will only be replayed outside
* future begin/end objects.
*/
struct immediate *IM = TNL_CURRENT_IM(ctx);
GLuint count, last;
if (ctx->NewState)
_mesa_update_state(ctx);
/* If not compiling, treat as a normal begin().
*/
if (!ctx->CompileFlag) {
_tnl_begin( ctx, p );
/* Set this for the duration:
*/
ctx->Driver.CurrentExecPrimitive = p;
/* fprintf(stderr, "setting cep %x in %s\n", */
/* ctx->Driver.CurrentExecPrimitive, __FUNCTION__); */
return GL_TRUE;
}
if (IM->Count > IMM_MAXDATA-8) {
_tnl_flush_immediate( IM );
IM = TNL_CURRENT_IM(ctx);
}
/* A lot depends on the degree to which the display list has
* constrained the possible begin/end states at this point:
*/
switch (IM->BeginState & (VERT_BEGIN_0|VERT_BEGIN_1)) {
case VERT_BEGIN_0|VERT_BEGIN_1:
/* This is an immediate known to be inside a begin/end object.
*/
ASSERT(ctx->Driver.CurrentSavePrimitive <= GL_POLYGON);
IM->BeginState |= (VERT_ERROR_1|VERT_ERROR_0);
return GL_FALSE;
case VERT_BEGIN_0:
case VERT_BEGIN_1:
/* This is a display-list immediate in an unknown begin/end
* state. Assert it is empty and conviert it to a 'hard' one.
* state. Assert it is empty and convert it to a 'hard' one.
*/
ASSERT (IM->SavedBeginState == 0);
ASSERT(IM->SavedBeginState == 0);
ASSERT(ctx->Driver.CurrentSavePrimitive == PRIM_UNKNOWN);
/* Push current beginstate, to be restored later. Don't worry
* about raising errors.
@@ -216,69 +237,37 @@ _tnl_hard_begin( GLcontext *ctx, GLenum p )
IM->SavedBeginState = IM->BeginState;
/* FALLTHROUGH */
case 0:
/* Unless we have fallen through, this is an immediate known to
* be outside begin/end objects.
*/
ASSERT(ctx->Driver.CurrentSavePrimitive == PRIM_UNKNOWN ||
ctx->Driver.CurrentSavePrimitive == PRIM_OUTSIDE_BEGIN_END);
ASSERT (IM->FlushElt != FLUSH_ELT_EAGER);
IM->BeginState |= VERT_BEGIN_0|VERT_BEGIN_1;
count = IM->Count;
last = IM->LastPrimitive;
IM->Flag[count] |= VERT_BEGIN;
IM->Primitive[count] = p | PRIM_BEGIN;
IM->PrimitiveLength[last] = count - last;
IM->LastPrimitive = count;
ASSERT (IM->FlushElt != FLUSH_ELT_EAGER);
IM->Flag[IM->Count] |= VERT_BEGIN;
IM->Primitive[IM->Count] = p | PRIM_BEGIN;
IM->PrimitiveLength[IM->LastPrimitive] = IM->Count - IM->LastPrimitive;
IM->LastPrimitive = IM->Count;
/* This is necessary as this immediate will not be flushed in
* _tnl_end() -- we leave it active, hoping to pick up more
* vertices before the next state change.
*/
ctx->Driver.NeedFlush |= FLUSH_STORED_VERTICES;
return GL_TRUE;
default:
ASSERT (0);
return GL_TRUE;
}
}
}
/* Need to do this to get the correct begin/end error behaviour from
* functions like ColorPointerEXT which are still active in
* SAVE_AND_EXEC modes.
*/
void
_tnl_save_Begin( GLenum mode )
{
GET_CURRENT_CONTEXT(ctx);
if (mode > GL_POLYGON) {
_mesa_compile_error( ctx, GL_INVALID_ENUM, "glBegin" );
return;
}
if (ctx->ExecuteFlag) {
/* Preserve vtxfmt invarient:
*/
if (ctx->NewState)
_mesa_update_state( ctx );
/* Slot in geomexec: No need to call setdispatch as we know
* CurrentDispatch is Save.
*/
ASSERT(ctx->CurrentDispatch == ctx->Save);
}
_tnl_begin( ctx, mode );
}
@@ -317,8 +306,6 @@ _tnl_end( GLcontext *ctx )
if (!ctx->CompileFlag) {
ctx->Driver.CurrentExecPrimitive = PRIM_OUTSIDE_BEGIN_END;
/* fprintf(stderr, "setting cep %x in %s\n", */
/* ctx->Driver.CurrentExecPrimitive, __FUNCTION__); */
}
/* You can set this flag to get the old 'flush_vb on glEnd()'
@@ -1113,8 +1100,8 @@ _tnl_vertex2f( GLcontext *ctx, GLfloat x, GLfloat y )
/* Execute a glRectf() function. _tnl_hard_begin() ensures the check
* on outside_begin_end is executed even in compiled lists. These
* vertices can now participate in the same VB as regular ones, even
* in most display lists.
* vertices can now participate in the same immediate as regular ones,
* even in most display lists.
*/
static void
_tnl_Rectf( GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2 )

View File

@@ -1,4 +1,4 @@
/* $Id: t_imm_dlist.c,v 1.17 2001/05/11 08:11:31 keithw Exp $ */
/* $Id: t_imm_dlist.c,v 1.18 2001/05/11 15:53:06 keithw Exp $ */
/*
* Mesa 3-D graphics library
@@ -82,6 +82,13 @@ _tnl_compile_cassette( GLcontext *ctx, struct immediate *IM )
}
_tnl_compute_orflag( IM, IM->Start );
/* Need to clear this flag, or fixup gets confused. (The elements
* have been translated away by now.)
*/
IM->OrFlag &= ~VERT_ELT;
IM->AndFlag &= ~VERT_ELT;
_tnl_fixup_input( ctx, IM );
/* _tnl_print_cassette( IM ); */

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@@ -1,4 +1,4 @@
/* $Id: t_imm_fixup.c,v 1.15 2001/05/11 08:11:31 keithw Exp $ */
/* $Id: t_imm_fixup.c,v 1.16 2001/05/11 15:53:06 keithw Exp $ */
/*
* Mesa 3-D graphics library
@@ -290,9 +290,9 @@ void _tnl_fixup_input( GLcontext *ctx, struct immediate *IM )
if (fixup & VERT_RGBA) {
if (orflag & VERT_RGBA)
_tnl_fixup_4f( IM->Color, IM->Flag, start, VERT_RGBA );
/* else */
/* fixup_first_4f( IM->Color, IM->Flag, VERT_END_VB, start, */
/* IM->Color[start] ); */
/* No need for else case as the drivers understand stride
* zero here. (TODO - propogate this)
*/
}
if (fixup & VERT_SPEC_RGB) {

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@@ -1,4 +1,4 @@
/* $Id: t_vb_render.c,v 1.19 2001/04/28 08:39:18 keithw Exp $ */
/* $Id: t_vb_render.c,v 1.20 2001/05/11 15:53:06 keithw Exp $ */
/*
* Mesa 3-D graphics library
@@ -318,7 +318,8 @@ static GLboolean run_render( GLcontext *ctx,
tnl->Driver.RenderFinish( ctx );
/* usleep(100000); */
/* _swrast_flush(ctx); */
/* usleep(1000000); */
return GL_FALSE; /* finished the pipe */
}