/*
* Mesa 3-D graphics library
- * Version: 5.1
+ * Version: 7.1
*
- * Copyright (C) 1999-2003 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2007 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"),
/**
* \file tnl/t_vb_program.c
- * \brief Pipeline stage for executing NVIDIA vertex programs.
+ * \brief Pipeline stage for executing vertex programs.
* \author Brian Paul, Keith Whitwell
*/
-#include "glheader.h"
-#include "api_noop.h"
-#include "colormac.h"
-#include "context.h"
-#include "dlist.h"
-#include "hash.h"
-#include "light.h"
-#include "macros.h"
-#include "imports.h"
-#include "simple_list.h"
-#include "mtypes.h"
-#include "nvvertprog.h"
-#include "nvvertexec.h"
-#include "nvprogram.h"
+#include "main/glheader.h"
+#include "main/colormac.h"
+#include "main/context.h"
+#include "main/macros.h"
+#include "main/imports.h"
+#include "shader/prog_instruction.h"
+#include "shader/prog_statevars.h"
+#include "shader/prog_execute.h"
+#include "swrast/s_context.h"
+#include "swrast/s_texfilter.h"
-#include "math/m_translate.h"
+#include "tnl/tnl.h"
+#include "tnl/t_context.h"
+#include "tnl/t_pipeline.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[]
- * array in vpparse.c!!!
- */
-#define VERT_RESULT_HPOS 0
-#define VERT_RESULT_COL0 1
-#define VERT_RESULT_COL1 2
-#define VERT_RESULT_BFC0 3
-#define VERT_RESULT_BFC1 4
-#define VERT_RESULT_FOGC 5
-#define VERT_RESULT_PSIZ 6
-#define VERT_RESULT_TEX0 7
-#define VERT_RESULT_TEX1 8
-#define VERT_RESULT_TEX2 9
-#define VERT_RESULT_TEX3 10
-#define VERT_RESULT_TEX4 11
-#define VERT_RESULT_TEX5 12
-#define VERT_RESULT_TEX6 13
-#define VERT_RESULT_TEX7 14
/*!
*/
struct vp_stage_data {
/** 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]; /**< diffuse front and back */
- struct gl_client_array color1[2]; /**< specular front and back */
+ GLvector4f results[VERT_RESULT_MAX];
GLvector4f ndcCoords; /**< normalized device coords */
GLubyte *clipmask; /**< clip flags */
#define VP_STAGE_DATA(stage) ((struct vp_stage_data *)(stage->privatePtr))
+static void
+userclip( GLcontext *ctx,
+ GLvector4f *clip,
+ GLubyte *clipmask,
+ GLubyte *clipormask,
+ GLubyte *clipandmask )
+{
+ GLuint p;
+
+ for (p = 0; p < ctx->Const.MaxClipPlanes; p++) {
+ if (ctx->Transform.ClipPlanesEnabled & (1 << p)) {
+ GLuint nr, i;
+ const GLfloat a = ctx->Transform._ClipUserPlane[p][0];
+ const GLfloat b = ctx->Transform._ClipUserPlane[p][1];
+ const GLfloat c = ctx->Transform._ClipUserPlane[p][2];
+ const GLfloat d = ctx->Transform._ClipUserPlane[p][3];
+ GLfloat *coord = (GLfloat *)clip->data;
+ GLuint stride = clip->stride;
+ GLuint count = clip->count;
+
+ for (nr = 0, i = 0 ; i < count ; i++) {
+ GLfloat dp = (coord[0] * a +
+ coord[1] * b +
+ coord[2] * c +
+ coord[3] * d);
+
+ if (dp < 0) {
+ nr++;
+ clipmask[i] |= CLIP_USER_BIT;
+ }
+
+ STRIDE_F(coord, stride);
+ }
+
+ if (nr > 0) {
+ *clipormask |= CLIP_USER_BIT;
+ if (nr == count) {
+ *clipandmask |= CLIP_USER_BIT;
+ return;
+ }
+ }
+ }
+ }
+}
+
+
+static GLboolean
+do_ndc_cliptest(GLcontext *ctx, struct vp_stage_data *store)
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ struct vertex_buffer *VB = &tnl->vb;
+ /* Cliptest and perspective divide. Clip functions must clear
+ * the clipmask.
+ */
+ store->ormask = 0;
+ store->andmask = CLIP_FRUSTUM_BITS;
+
+ if (tnl->NeedNdcCoords) {
+ VB->NdcPtr =
+ _mesa_clip_tab[VB->ClipPtr->size]( VB->ClipPtr,
+ &store->ndcCoords,
+ store->clipmask,
+ &store->ormask,
+ &store->andmask );
+ }
+ else {
+ VB->NdcPtr = NULL;
+ _mesa_clip_np_tab[VB->ClipPtr->size]( VB->ClipPtr,
+ NULL,
+ store->clipmask,
+ &store->ormask,
+ &store->andmask );
+ }
+
+ if (store->andmask) {
+ /* All vertices are outside the frustum */
+ return GL_FALSE;
+ }
+
+ /* Test userclip planes. This contributes to VB->ClipMask.
+ */
+ /** XXX NEW_SLANG _Enabled ??? */
+ if (ctx->Transform.ClipPlanesEnabled && (!ctx->VertexProgram._Enabled ||
+ ctx->VertexProgram.Current->IsPositionInvariant)) {
+ userclip( ctx,
+ VB->ClipPtr,
+ store->clipmask,
+ &store->ormask,
+ &store->andmask );
+
+ if (store->andmask) {
+ return GL_FALSE;
+ }
+ }
+
+ VB->ClipAndMask = store->andmask;
+ VB->ClipOrMask = store->ormask;
+ VB->ClipMask = store->clipmask;
+
+ return GL_TRUE;
+}
+
+
+/**
+ * XXX the texture sampling code in this module is a bit of a hack.
+ * The texture sampling code is in swrast, though it doesn't have any
+ * real dependencies on the rest of swrast. It should probably be
+ * moved into main/ someday.
+ */
+static void
+vp_fetch_texel(GLcontext *ctx, const GLfloat texcoord[4], GLfloat lambda,
+ GLuint unit, GLfloat color[4])
+{
+ GLchan rgba[4];
+ SWcontext *swrast = SWRAST_CONTEXT(ctx);
+
+ /* XXX use a float-valued TextureSample routine here!!! */
+ swrast->TextureSample[unit](ctx, ctx->Texture.Unit[unit]._Current,
+ 1, (const GLfloat (*)[4]) texcoord,
+ &lambda, &rgba);
+ color[0] = CHAN_TO_FLOAT(rgba[0]);
+ color[1] = CHAN_TO_FLOAT(rgba[1]);
+ color[2] = CHAN_TO_FLOAT(rgba[2]);
+ color[3] = CHAN_TO_FLOAT(rgba[3]);
+}
+
+
+/**
+ * Called via ctx->Driver.ProgramStringNotify() after a new vertex program
+ * string has been parsed.
+ */
+void
+_tnl_program_string(GLcontext *ctx, GLenum target, struct gl_program *program)
+{
+ /* No-op.
+ * If we had derived anything from the program that was private to this
+ * stage we'd recompute/validate it here.
+ */
+}
+
+
+/**
+ * Initialize virtual machine state prior to executing vertex program.
+ */
+static void
+init_machine(GLcontext *ctx, struct gl_program_machine *machine)
+{
+ /* Input registers get initialized from the current vertex attribs */
+ MEMCPY(machine->VertAttribs, ctx->Current.Attrib,
+ MAX_VERTEX_PROGRAM_ATTRIBS * 4 * sizeof(GLfloat));
+
+ if (ctx->VertexProgram._Current->IsNVProgram) {
+ GLuint i;
+ /* Output/result regs are initialized to [0,0,0,1] */
+ for (i = 0; i < MAX_NV_VERTEX_PROGRAM_OUTPUTS; i++) {
+ ASSIGN_4V(machine->Outputs[i], 0.0F, 0.0F, 0.0F, 1.0F);
+ }
+ /* Temp regs are initialized to [0,0,0,0] */
+ for (i = 0; i < MAX_NV_VERTEX_PROGRAM_TEMPS; i++) {
+ ASSIGN_4V(machine->Temporaries[i], 0.0F, 0.0F, 0.0F, 0.0F);
+ }
+ for (i = 0; i < MAX_VERTEX_PROGRAM_ADDRESS_REGS; i++) {
+ ASSIGN_4V(machine->AddressReg[i], 0, 0, 0, 0);
+ }
+ }
+
+ machine->NumDeriv = 0;
+
+ /* init condition codes */
+ machine->CondCodes[0] = COND_EQ;
+ machine->CondCodes[1] = COND_EQ;
+ machine->CondCodes[2] = COND_EQ;
+ machine->CondCodes[3] = COND_EQ;
+
+ /* init call stack */
+ machine->StackDepth = 0;
+
+ machine->FetchTexelLod = vp_fetch_texel;
+ machine->FetchTexelDeriv = NULL; /* not used by vertex programs */
+
+ machine->Samplers = ctx->VertexProgram._Current->Base.SamplerUnits;
+}
+
+
+/**
+ * Map the texture images which the vertex program will access (if any).
+ */
+static void
+map_textures(GLcontext *ctx, const struct gl_vertex_program *vp)
+{
+ GLuint u;
+
+ if (!ctx->Driver.MapTexture)
+ return;
+
+ for (u = 0; u < ctx->Const.MaxVertexTextureImageUnits; u++) {
+ if (vp->Base.TexturesUsed[u]) {
+ /* Note: _Current *should* correspond to the target indicated
+ * in TexturesUsed[u].
+ */
+ ctx->Driver.MapTexture(ctx, ctx->Texture.Unit[u]._Current);
+ }
+ }
+}
+
+
+/**
+ * Unmap the texture images which were used by the vertex program (if any).
+ */
+static void
+unmap_textures(GLcontext *ctx, const struct gl_vertex_program *vp)
+{
+ GLuint u;
+
+ if (!ctx->Driver.MapTexture)
+ return;
+
+ for (u = 0; u < ctx->Const.MaxVertexTextureImageUnits; u++) {
+ if (vp->Base.TexturesUsed[u]) {
+ /* Note: _Current *should* correspond to the target indicated
+ * in TexturesUsed[u].
+ */
+ ctx->Driver.UnmapTexture(ctx, ctx->Texture.Unit[u]._Current);
+ }
+ }
+}
+
+
/**
* This function executes vertex programs
*/
-static GLboolean run_vp( GLcontext *ctx, struct gl_pipeline_stage *stage )
+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);
- struct vertex_program *program = ctx->VertexProgram.Current;
- GLuint i;
+ struct gl_vertex_program *program = ctx->VertexProgram._Current;
+ struct gl_program_machine machine;
+ GLuint outputs[VERT_RESULT_MAX], numOutputs;
+ GLuint i, j;
- _mesa_init_tracked_matrices(ctx); /* load registers with matrices */
- _mesa_init_vp_registers(ctx); /* init temp and result regs */
+ if (!program)
+ return GL_TRUE;
+
+ if (program->IsNVProgram) {
+ _mesa_load_tracked_matrices(ctx);
+ }
+ else {
+ /* ARB program or vertex shader */
+ _mesa_load_state_parameters(ctx, program->Base.Parameters);
+ }
+
+ /* make list of outputs to save some time below */
+ numOutputs = 0;
+ for (i = 0; i < VERT_RESULT_MAX; i++) {
+ if (program->Base.OutputsWritten & (1 << i)) {
+ outputs[numOutputs++] = i;
+ }
+ }
+
+ map_textures(ctx, program);
for (i = 0; i < VB->Count; i++) {
GLuint attr;
+ init_machine(ctx, &machine);
+
#if 0
printf("Input %d: %f, %f, %f, %f\n", i,
VB->AttribPtr[0]->data[i][0],
VB->AttribPtr[2]->data[i][3]);
#endif
- /* load the input attribute registers */
- if (VB->Flag) {
- /* the traditional glBegin/glVertex/glEnd case */
- for (attr = 0; attr < VERT_ATTRIB_MAX; attr++) {
- if (attr == 0 || (program->InputsRead & (1 << attr))) {
- COPY_4V(machine->Registers[VP_INPUT_REG_START + attr],
- VB->AttribPtr[attr]->data[i]);
- }
- }
- }
- else {
- /* the vertex array case */
- for (attr = 0; attr < VERT_ATTRIB_MAX; attr++) {
- if (program->InputsRead & (1 << attr)) {
- const GLubyte *ptr = (const GLubyte*) VB->AttribPtr[attr]->data;
- const GLuint stride = VB->AttribPtr[attr]->stride;
- const GLfloat *data = (GLfloat *) (ptr + stride * i);
- COPY_4V(machine->Registers[VP_INPUT_REG_START + attr], data);
- /*ASSERT(VB->AttribPtr[attr]->size == 4);*/
- ASSERT(stride == 4 * sizeof(GLfloat) || stride == 0);
- }
- }
+ /* the vertex array case */
+ for (attr = 0; attr < VERT_ATTRIB_MAX; attr++) {
+ if (program->Base.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);
+ COPY_CLEAN_4V(machine.VertAttribs[attr], size, data);
+ }
}
/* execute the program */
- ASSERT(program);
- _mesa_exec_vertex_program(ctx, program);
+ _mesa_execute_program(ctx, &program->Base, &machine);
+ /* copy the output registers into the VB->attribs arrays */
+ for (j = 0; j < numOutputs; j++) {
+ const GLuint attr = outputs[j];
+ COPY_4V(store->results[attr].data[i], machine.Outputs[attr]);
+ }
#if 0
- printf("Output %d: %f, %f, %f, %f\n", i,
- machine->Registers[VP_OUTPUT_REG_START + 0][0],
- machine->Registers[VP_OUTPUT_REG_START + 0][1],
- machine->Registers[VP_OUTPUT_REG_START + 0][2],
- machine->Registers[VP_OUTPUT_REG_START + 0][3]);
- printf(" color: %f, %f, %f, %f\n",
- machine->Registers[VP_OUTPUT_REG_START +_1][0],
- machine->Registers[VP_OUTPUT_REG_START + 1][1],
- machine->Registers[VP_OUTPUT_REG_START + 1][2],
- machine->Registers[VP_OUTPUT_REG_START + 1][3]);
- printf("PointSize[%d]: %g\n", i,
- machine->Registers[VP_OUTPUT_REG_START + VERT_RESULT_PSIZ][0]);
+ printf("HPOS: %f %f %f %f\n",
+ machine.Outputs[0][0],
+ machine.Outputs[0][1],
+ machine.Outputs[0][2],
+ machine.Outputs[0][3]);
#endif
+ }
+
+ unmap_textures(ctx, program);
- /* Fixup fog an point size results if needed */
+ /* Fixup fog and point size results if needed */
+ if (program->IsNVProgram) {
if (ctx->Fog.Enabled &&
- (program->OutputsWritten & (1 << VERT_RESULT_FOGC)) == 0) {
- machine->Registers[VP_OUTPUT_REG_START + VERT_RESULT_FOGC][0] = 1.0;
+ (program->Base.OutputsWritten & (1 << VERT_RESULT_FOGC)) == 0) {
+ for (i = 0; i < VB->Count; i++) {
+ store->results[VERT_RESULT_FOGC].data[i][0] = 1.0;
+ }
}
if (ctx->VertexProgram.PointSizeEnabled &&
- (program->OutputsWritten & (1 << VERT_RESULT_PSIZ)) == 0) {
- machine->Registers[VP_OUTPUT_REG_START + 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] );
+ (program->Base.OutputsWritten & (1 << VERT_RESULT_PSIZ)) == 0) {
+ for (i = 0; i < VB->Count; i++) {
+ store->results[VERT_RESULT_PSIZ].data[i][0] = ctx->Point.Size;
+ }
}
}
- /* Setup the VB pointers so that the next pipeline stages get
- * their data from the right place (the program output arrays).
- */
- 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->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];
-
- /* Cliptest and perspective divide. Clip functions must clear
- * the clipmask.
- */
- store->ormask = 0;
- store->andmask = CLIP_ALL_BITS;
+ if (program->IsPositionInvariant) {
+ /* We need the exact same transform as in the fixed function path here
+ * to guarantee invariance, depending on compiler optimization flags
+ * results could be different otherwise.
+ */
+ VB->ClipPtr = TransformRaw( &store->results[0],
+ &ctx->_ModelProjectMatrix,
+ VB->AttribPtr[0] );
- if (tnl->NeedNdcCoords) {
- VB->NdcPtr =
- _mesa_clip_tab[VB->ClipPtr->size]( VB->ClipPtr,
- &store->ndcCoords,
- store->clipmask,
- &store->ormask,
- &store->andmask );
+ /* Drivers expect this to be clean to element 4...
+ */
+ switch (VB->ClipPtr->size) {
+ case 1:
+ /* impossible */
+ case 2:
+ _mesa_vector4f_clean_elem( VB->ClipPtr, VB->Count, 2 );
+ /* fall-through */
+ case 3:
+ _mesa_vector4f_clean_elem( VB->ClipPtr, VB->Count, 3 );
+ /* fall-through */
+ case 4:
+ break;
+ }
}
else {
- VB->NdcPtr = 0;
- _mesa_clip_np_tab[VB->ClipPtr->size]( VB->ClipPtr,
- 0,
- store->clipmask,
- &store->ormask,
- &store->andmask );
+ /* Setup the VB pointers so that the next pipeline stages get
+ * their data from the right place (the program output arrays).
+ */
+ VB->ClipPtr = &store->results[VERT_RESULT_HPOS];
+ VB->ClipPtr->size = 4;
+ VB->ClipPtr->count = VB->Count;
}
- if (store->andmask) /* All vertices are outside the frustum */
- return GL_FALSE;
-
-
- /* This is where we'd do clip testing against the user-defined
- * clipping planes, but they're not supported by vertex programs.
- */
-
- VB->ClipOrMask = store->ormask;
- VB->ClipMask = store->clipmask;
-
- /* XXXX what's this?
- if (VB->ClipPtr == VB->ObjPtr && (VB->importable_data & VERT_BIT_POS))
- VB->importable_data |= VERT_BIT_CLIP;
- */
-
- return GL_TRUE;
-}
-
+ VB->ColorPtr[0] = &store->results[VERT_RESULT_COL0];
+ VB->ColorPtr[1] = &store->results[VERT_RESULT_BFC0];
+ VB->SecondaryColorPtr[0] = &store->results[VERT_RESULT_COL1];
+ VB->SecondaryColorPtr[1] = &store->results[VERT_RESULT_BFC1];
+ VB->FogCoordPtr = &store->results[VERT_RESULT_FOGC];
+
+ VB->AttribPtr[VERT_ATTRIB_COLOR0] = &store->results[VERT_RESULT_COL0];
+ VB->AttribPtr[VERT_ATTRIB_COLOR1] = &store->results[VERT_RESULT_COL1];
+ VB->AttribPtr[VERT_ATTRIB_FOG] = &store->results[VERT_RESULT_FOGC];
+ VB->AttribPtr[_TNL_ATTRIB_POINTSIZE] = &store->results[VERT_RESULT_PSIZ];
+
+ for (i = 0; i < ctx->Const.MaxTextureCoordUnits; i++) {
+ VB->TexCoordPtr[i] =
+ VB->AttribPtr[_TNL_ATTRIB_TEX0 + i]
+ = &store->results[VERT_RESULT_TEX0 + i];
+ }
-/**
- * This function validates stuff.
- */
-static GLboolean run_validate_program( GLcontext *ctx,
- struct gl_pipeline_stage *stage )
-{
-#if 000
- /* XXX do we need any validation for vertex programs? */
- GLuint ind = 0;
- light_func *tab;
-
- if (ctx->Visual.rgbMode) {
- if (ctx->Light._NeedVertices) {
- if (ctx->Light.Model.ColorControl == GL_SEPARATE_SPECULAR_COLOR)
- tab = _tnl_light_spec_tab;
- else
- tab = _tnl_light_tab;
- }
- else {
- if (ctx->Light.EnabledList.next == ctx->Light.EnabledList.prev)
- tab = _tnl_light_fast_single_tab;
- else
- tab = _tnl_light_fast_tab;
+ for (i = 0; i < ctx->Const.MaxVarying; i++) {
+ if (program->Base.OutputsWritten & (1 << (VERT_RESULT_VAR0 + i))) {
+ /* Note: varying results get put into the generic attributes */
+ VB->AttribPtr[VERT_ATTRIB_GENERIC0+i]
+ = &store->results[VERT_RESULT_VAR0 + i];
}
}
- else
- tab = _tnl_light_ci_tab;
-
- if (ctx->Light.ColorMaterialEnabled)
- ind |= LIGHT_COLORMATERIAL;
-
- if (ctx->Light.Model.TwoSide)
- ind |= LIGHT_TWOSIDE;
- VP_STAGE_DATA(stage)->light_func_tab = &tab[ind];
-
- /* This and the above should only be done on _NEW_LIGHT:
- */
- _mesa_validate_all_lighting_tables( ctx );
-#endif
- /* Now run the stage...
+ /* Perform NDC and cliptest operations:
*/
- stage->run = run_vp;
- return stage->run( ctx, stage );
-}
-
-
-/**
- * Initialize a gl_client_array to point into a GLvector4f color vector.
- */
-static void init_color_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;
+ return do_ndc_cliptest(ctx, store);
}
* 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 )
+static GLboolean
+init_vp(GLcontext *ctx, 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++) {
- _mesa_vector4f_alloc( &store->attribs[i], 0, size, 32 );
- store->attribs[i].size = 4;
+ for (i = 0; i < VERT_RESULT_MAX; i++) {
+ _mesa_vector4f_alloc( &store->results[i], 0, size, 32 );
+ store->results[i].size = 4;
}
- /* Make the color0[] and color1[] arrays point into the attribs[] arrays */
- init_color_array( &store->color0[0], &store->attribs[VERT_RESULT_COL0] );
- init_color_array( &store->color0[1], &store->attribs[VERT_RESULT_BFC0] );
- init_color_array( &store->color1[0], &store->attribs[VERT_RESULT_COL1] );
- init_color_array( &store->color1[1], &store->attribs[VERT_RESULT_BFC1] );
-
/* a few other misc allocations */
_mesa_vector4f_alloc( &store->ndcCoords, 0, size, 32 );
store->clipmask = (GLubyte *) ALIGN_MALLOC(sizeof(GLubyte)*size, 32 );
- /* Now validate the stage derived data...
- */
- stage->run = run_validate_program;
- return stage->run( ctx, stage );
-}
-
-
-
-/**
- * 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 )
-{
- stage->active = ctx->VertexProgram.Enabled;
-
- if (stage->active) {
- /* I believe this is right - Keith?
- * Set stage->inputs equal to the bitmask of vertex attributes
- * which the program needs for inputs.
- */
-
- stage->inputs = ctx->VertexProgram.Current->InputsRead;
-
-#if 000
- if (stage->privatePtr)
- stage->run = run_validate_program;
- stage->inputs = VERT_BIT_NORMAL|VERT_BIT_MATERIAL;
- if (ctx->Light._NeedVertices)
- stage->inputs |= VERT_BIT_EYE; /* effectively, even when lighting in obj */
- if (ctx->Light.ColorMaterialEnabled)
- stage->inputs |= VERT_BIT_COLOR0;
-
- stage->outputs = VERT_BIT_COLOR0;
- if (ctx->Light.Model.ColorControl == GL_SEPARATE_SPECULAR_COLOR)
- stage->outputs |= VERT_BIT_COLOR1;
-#endif
- }
+ return GL_TRUE;
}
/**
* Destructor for this pipeline stage.
*/
-static void dtr( struct gl_pipeline_stage *stage )
+static void
+dtr(struct tnl_pipeline_stage *stage)
{
struct vp_stage_data *store = VP_STAGE_DATA(stage);
GLuint i;
/* free the vertex program result arrays */
- for (i = 0; i < 15; i++)
- _mesa_vector4f_free( &store->attribs[i] );
+ for (i = 0; i < VERT_RESULT_MAX; i++)
+ _mesa_vector4f_free( &store->results[i] );
/* free misc arrays */
_mesa_vector4f_free( &store->ndcCoords );
ALIGN_FREE( store->clipmask );
FREE( store );
- stage->privatePtr = 0;
+ stage->privatePtr = NULL;
+ }
+}
+
+
+static void
+validate_vp_stage(GLcontext *ctx, struct tnl_pipeline_stage *stage)
+{
+ if (ctx->VertexProgram._Current) {
+ _swrast_update_texture_samplers(ctx);
}
}
+
+
/**
* Public description of this pipeline stage.
*/
-const struct gl_pipeline_stage _tnl_vertex_program_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_BIT_POS) */
- GL_FALSE, /* active */
- /*0*/ VERT_BIT_POS, /* inputs XXX OK? */
- VERT_BIT_CLIP | VERT_BIT_COLOR0, /* outputs XXX OK? */
- 0, /* changed_inputs */
NULL, /* private_data */
+ init_vp, /* create */
dtr, /* destroy */
- check_vp, /* check */
- run_init_vp /* run -- initially set to ctr */
+ validate_vp_stage, /* validate */
+ run_vp /* run -- initially set to ctr */
};
projects / mesa.git / blobdiff