-/* $Id: t_vb_program.c,v 1.7 2002/01/06 03:54:12 brianp Exp $ */
-
/*
* Mesa 3-D graphics library
- * Version: 4.1
+ * Version: 5.1
*
- * Copyright (C) 1999-2002 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2003 Brian Paul 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"),
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
-/*
- * -------- Regarding NV_vertex_program --------
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * o Redistribution of the source code must contain a copyright notice
- * and this list of conditions;
- *
- * o Redistribution in binary and source code form must contain the
- * following Notice in the software and any documentation and/or other
- * materials provided with the distribution; and
- *
- * o The name of Nvidia may not be used to promote or endorse software
- * derived from the software.
- *
- * NOTICE: Nvidia hereby grants to each recipient a non-exclusive worldwide
- * royalty free patent license under patent claims that are licensable by
- * Nvidia and which are necessarily required and for which no commercially
- * viable non infringing alternative exists to make, use, sell, offer to sell,
- * import and otherwise transfer the vertex extension for the Mesa 3D Graphics
- * Library as distributed in source code and object code form. No hardware or
- * hardware implementation (including a semiconductor implementation and chips)
- * are licensed hereunder. If a recipient makes a patent claim or institutes
- * patent litigation against Nvidia or Nvidia's customers for use or sale of
- * Nvidia products, then this license grant as to such recipient shall
- * immediately terminate and recipient immediately agrees to cease use and
- * distribution of the Mesa Program and derivatives thereof.
- *
- * THE MESA 3D GRAPHICS LIBRARY IS PROVIDED ON AN "AS IS BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING,
- * WITHOUT LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-NFRINGEMENT
- * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
- *
- * NVIDIA SHALL NOT HAVE ANY LIABILITY FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING WITHOUT LIMITATION
- * LOST PROFITS), HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OR DISTRIBUTION OF THE MESA 3D GRAPHICS
- * LIBRARY OR EVIDENCE OR THE EXERCISE OF ANY RIGHTS GRANTED HEREUNDR, EVEN
- * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * If you do not comply with this agreement, then Nvidia may cancel the license
- * and rights granted herein.
- * ---------------------------------------------
- */
-/*
- * Authors:
- * Brian Paul
+/**
+ * \file tnl/t_vb_program.c
+ * \brief Pipeline stage for executing NVIDIA vertex programs.
+ * \author Brian Paul, Keith Whitwell
*/
#include "hash.h"
#include "light.h"
#include "macros.h"
-#include "mem.h"
-#include "mmath.h"
+#include "imports.h"
#include "simple_list.h"
#include "mtypes.h"
-#include "vpexec.h"
+#include "nvvertprog.h"
+#include "nvvertexec.h"
+#include "nvprogram.h"
#include "math/m_translate.h"
#include "t_context.h"
#include "t_pipeline.h"
-#include "t_imm_api.h"
-#include "t_imm_exec.h"
-/* WARNING: these values _MUST_ match the values in the OutputRegisters[]
+/**
+ * \warning These values _MUST_ match the values in the OutputRegisters[]
* array in vpparse.c!!!
*/
#define VERT_RESULT_HPOS 0
#define VERT_RESULT_TEX7 14
+/*!
+ * Private storage for the vertex program pipeline stage.
+ */
struct vp_stage_data {
- /* The results of running the vertex program go into these arrays. */
+ /** The results of running the vertex program go into these arrays. */
GLvector4f attribs[15];
- /* These point to the attribs[VERT_RESULT_COL0, COL1, BFC0, BFC1] arrays */
- struct gl_client_array color0[2]; /* front and back */
- struct gl_client_array color1[2]; /* front and back */
-
- GLvector4f ndcCoords; /* normalized device coords */
- GLubyte *clipmask; /* clip flags */
- GLubyte ormask, andmask;
+ GLvector4f ndcCoords; /**< normalized device coords */
+ GLubyte *clipmask; /**< clip flags */
+ GLubyte ormask, andmask; /**< for clipping */
};
#define VP_STAGE_DATA(stage) ((struct vp_stage_data *)(stage->privatePtr))
-static GLboolean run_vp( GLcontext *ctx, struct gl_pipeline_stage *stage )
+/**
+ * This function executes vertex programs
+ */
+static GLboolean run_vp( GLcontext *ctx, struct tnl_pipeline_stage *stage )
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
struct vp_stage_data *store = VP_STAGE_DATA(stage);
struct vertex_buffer *VB = &tnl->vb;
- struct vp_machine *machine = &(ctx->VertexProgram.Machine);
- GLint i;
+ struct vertex_program *program = ctx->VertexProgram.Current;
+ GLuint i;
- _mesa_init_tracked_matrices(ctx);
- _mesa_init_vp_registers(ctx); /* init temp and result regs */
+ _mesa_init_tracked_matrices(ctx); /* load registers with matrices */
+ _mesa_init_vp_registers(ctx); /* init temp and result regs */
for (i = 0; i < VB->Count; i++) {
GLuint attr;
VB->AttribPtr[2]->data[i][3]);
#endif
- /* load the input attribute registers */
+ /* the vertex array case */
for (attr = 0; attr < VERT_ATTRIB_MAX; attr++) {
- if (VB->Flag[i] & (1 << attr)) {
- COPY_4V(machine->Registers[VP_INPUT_REG_START + attr],
- VB->AttribPtr[attr]->data[i]);
- }
+ if (program->InputsRead & (1 << attr)) {
+ const GLubyte *ptr = (const GLubyte*) VB->AttribPtr[attr]->data;
+ const GLuint size = VB->AttribPtr[attr]->size;
+ const GLuint stride = VB->AttribPtr[attr]->stride;
+ const GLfloat *data = (GLfloat *) (ptr + stride * i);
+ ASSIGN_4V(ctx->VertexProgram.Inputs[attr], 0, 0, 0, 1);
+ COPY_SZ_4V(ctx->VertexProgram.Inputs[attr], size, data);
+ }
}
/* execute the program */
- ASSERT(ctx->VertexProgram.Current);
- _mesa_exec_program(ctx, ctx->VertexProgram.Current);
+ ASSERT(program);
+ _mesa_exec_vertex_program(ctx, program);
-#if 0
- printf("Output %d: %f, %f, %f, %f\n", i,
- machine->Registers[VP_OUT_HPOS][0],
- machine->Registers[VP_OUT_HPOS][1],
- machine->Registers[VP_OUT_HPOS][2],
- machine->Registers[VP_OUT_HPOS][3]);
- printf(" color: %f, %f, %f, %f\n",
- machine->Registers[VP_OUT_COL0][0],
- machine->Registers[VP_OUT_COL0][1],
- machine->Registers[VP_OUT_COL0][2],
- machine->Registers[VP_OUT_COL0][3]);
-#endif
+ /* Fixup fog an point size results if needed */
+ if (ctx->Fog.Enabled &&
+ (program->OutputsWritten & (1 << VERT_RESULT_FOGC)) == 0) {
+ ctx->VertexProgram.Outputs[VERT_RESULT_FOGC][0] = 1.0;
+ }
+
+ if (ctx->VertexProgram.PointSizeEnabled &&
+ (program->OutputsWritten & (1 << VERT_RESULT_PSIZ)) == 0) {
+ ctx->VertexProgram.Outputs[VERT_RESULT_PSIZ][0] = ctx->Point.Size;
+ }
/* copy the output registers into the VB->attribs arrays */
/* XXX (optimize) could use a conditional and smaller loop limit here */
for (attr = 0; attr < 15; attr++) {
- COPY_4V( store->attribs[attr].data[i],
- machine->Registers[VP_OUTPUT_REG_START + attr] );
+ COPY_4V(store->attribs[attr].data[i],
+ ctx->VertexProgram.Outputs[attr]);
}
}
VB->ClipPtr = &store->attribs[VERT_RESULT_HPOS];
VB->ClipPtr->size = 4;
VB->ClipPtr->count = VB->Count;
- VB->ColorPtr[0] = &store->color0[0];
- VB->ColorPtr[1] = &store->color0[1];
- VB->SecondaryColorPtr[0] = &store->color1[0];
- VB->SecondaryColorPtr[1] = &store->color1[1];
+ VB->ColorPtr[0] = &store->attribs[VERT_RESULT_COL0];
+ VB->ColorPtr[1] = &store->attribs[VERT_RESULT_BFC0];
+ VB->SecondaryColorPtr[0] = &store->attribs[VERT_RESULT_COL1];
+ VB->SecondaryColorPtr[1] = &store->attribs[VERT_RESULT_BFC1];
VB->FogCoordPtr = &store->attribs[VERT_RESULT_FOGC];
VB->PointSizePtr = &store->attribs[VERT_RESULT_PSIZ];
- for (i = 0; i < ctx->Const.MaxTextureUnits; i++)
- VB->TexCoordPtr[i] = &store->attribs[VERT_RESULT_TEX0 + i];
+
+ VB->AttribPtr[VERT_ATTRIB_COLOR0] = VB->ColorPtr[0];
+ VB->AttribPtr[VERT_ATTRIB_COLOR1] = VB->SecondaryColorPtr[0];
+ VB->AttribPtr[VERT_ATTRIB_FOG] = VB->FogCoordPtr;
+ VB->AttribPtr[_TNL_ATTRIB_POINTSIZE] = &store->attribs[VERT_RESULT_PSIZ];
+
+ for (i = 0; i < ctx->Const.MaxTextureUnits; i++) {
+ VB->AttribPtr[VERT_ATTRIB_TEX0+i] = VB->TexCoordPtr[i] =
+ &store->attribs[VERT_RESULT_TEX0 + i];
+ }
+
+
/* Cliptest and perspective divide. Clip functions must clear
* the clipmask.
store->clipmask,
&store->ormask,
&store->andmask );
-
}
else {
VB->NdcPtr = 0;
VB->ClipOrMask = store->ormask;
VB->ClipMask = store->clipmask;
- /* XXXX what's this?
- if (VB->ClipPtr == VB->ObjPtr && (VB->importable_data & VERT_OBJ_BIT))
- VB->importable_data |= VERT_CLIP;
- */
-
return GL_TRUE;
}
-/* Called in place of do_lighting when the light table may have changed.
+/**
+ * This function validates stuff.
*/
static GLboolean run_validate_program( GLcontext *ctx,
- struct gl_pipeline_stage *stage )
+ struct tnl_pipeline_stage *stage )
{
#if 000
/* XXX do we need any validation for vertex programs? */
}
-static void init_client_array( struct gl_client_array *a, GLvector4f *vec )
-{
- a->Ptr = vec->data;
- a->Size = 4;
- a->Type = GL_FLOAT;
- a->Stride = 0;
- a->StrideB = sizeof(GLfloat) * 4;
- a->Enabled = 0;
- a->Flags = 0;
-}
-
-/* Called the first time stage->run is called. In effect, don't
+/**
+ * Called the first time stage->run is called. In effect, don't
* allocate data until the first time the stage is run.
*/
static GLboolean run_init_vp( GLcontext *ctx,
- struct gl_pipeline_stage *stage )
+ struct tnl_pipeline_stage *stage )
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
struct vertex_buffer *VB = &(tnl->vb);
return GL_FALSE;
/* Allocate arrays of vertex output values */
- for (i = 0; i < 15; i++)
+ for (i = 0; i < 15; i++) {
_mesa_vector4f_alloc( &store->attribs[i], 0, size, 32 );
-
- /* Make the color0[] and color1[] arrays point into the attribs[] arrays */
- init_client_array( &store->color0[0], &store->attribs[VERT_RESULT_COL0] );
- init_client_array( &store->color0[1], &store->attribs[VERT_RESULT_COL1] );
- init_client_array( &store->color1[0], &store->attribs[VERT_RESULT_BFC0] );
- init_client_array( &store->color1[1], &store->attribs[VERT_RESULT_BFC1] );
+ store->attribs[i].size = 4;
+ }
/* a few other misc allocations */
_mesa_vector4f_alloc( &store->ndcCoords, 0, size, 32 );
-/*
+/**
* Check if vertex program mode is enabled.
* If so, configure the pipeline stage's type, inputs, and outputs.
*/
-static void check_vp( GLcontext *ctx, struct gl_pipeline_stage *stage )
+static void check_vp( GLcontext *ctx, struct tnl_pipeline_stage *stage )
{
stage->active = ctx->VertexProgram.Enabled;
if (stage->active) {
-#if 000
- if (stage->privatePtr)
- stage->run = run_validate_program;
- stage->inputs = VERT_NORMAL_BIT|VERT_MATERIAL;
- if (ctx->Light._NeedVertices)
- stage->inputs |= VERT_EYE; /* effectively, even when lighting in obj */
- if (ctx->Light.ColorMaterialEnabled)
- stage->inputs |= VERT_COLOR0_BIT;
-
- stage->outputs = VERT_COLOR0_BIT;
- if (ctx->Light.Model.ColorControl == GL_SEPARATE_SPECULAR_COLOR)
- stage->outputs |= VERT_COLOR1_BIT;
-#endif
+ /* Set stage->inputs equal to the bitmask of vertex attributes
+ * which the program needs for inputs.
+ */
+ stage->inputs = ctx->VertexProgram.Current->InputsRead;
}
}
-static void dtr( struct gl_pipeline_stage *stage )
+/**
+ * Destructor for this pipeline stage.
+ */
+static void dtr( struct tnl_pipeline_stage *stage )
{
struct vp_stage_data *store = VP_STAGE_DATA(stage);
}
}
-const struct gl_pipeline_stage _tnl_vertex_program_stage =
+/**
+ * Public description of this pipeline stage.
+ */
+const struct tnl_pipeline_stage _tnl_vertex_program_stage =
{
"vertex-program",
_NEW_ALL, /*XXX FIX */ /* recheck */
- _NEW_ALL, /*XXX FIX */ /* recalc -- modelview dependency
- * otherwise not captured by inputs
- * (which may be VERT_OBJ_BIT) */
+ _NEW_ALL, /*XXX FIX */ /* recalc */
GL_FALSE, /* active */
- 0, /* inputs */
- VERT_CLIP | VERT_COLOR0_BIT, /* outputs */
+ 0, /* inputs - calculated on the fly */
+ _TNL_BITS_PROG_ANY, /* outputs -- could calculate */
0, /* changed_inputs */
NULL, /* private_data */
dtr, /* destroy */
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