/*
* Mesa 3-D graphics library
- * Version: 7.1
*
- * Copyright (C) 2007 Tungsten Graphics All Rights Reserved.
+ * Copyright (C) 2007 VMware, Inc. 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"),
* 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 NONINFRINGEMENT. IN NO EVENT SHALL
- * TUNGSTEN GRAPHICS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * VMWARE 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.
#include "main/glheader.h"
#include "main/ffvertex_prog.h"
+#include "main/mtypes.h"
#include "t_vp_build.h"
-struct state_key {
- unsigned light_global_enabled:1;
- unsigned light_local_viewer:1;
- unsigned light_twoside:1;
- unsigned light_color_material:1;
- unsigned light_color_material_mask:12;
- unsigned light_material_mask:12;
-
- unsigned normalize:1;
- unsigned rescale_normals:1;
- unsigned fog_source_is_depth:1;
- unsigned tnl_do_vertex_fog:1;
- unsigned separate_specular:1;
- unsigned fog_mode:2;
- unsigned point_attenuated:1;
- unsigned texture_enabled_global:1;
- unsigned fragprog_inputs_read:12;
-
- struct {
- unsigned light_enabled:1;
- unsigned light_eyepos3_is_zero:1;
- unsigned light_spotcutoff_is_180:1;
- unsigned light_attenuated:1;
- unsigned texunit_really_enabled:1;
- unsigned texmat_enabled:1;
- unsigned texgen_enabled:4;
- unsigned texgen_mode0:4;
- unsigned texgen_mode1:4;
- unsigned texgen_mode2:4;
- unsigned texgen_mode3:4;
- } unit[8];
-};
-
-
-
-#define FOG_NONE 0
-#define FOG_LINEAR 1
-#define FOG_EXP 2
-#define FOG_EXP2 3
-
-static GLuint translate_fog_mode( GLenum mode )
-{
- switch (mode) {
- case GL_LINEAR: return FOG_LINEAR;
- case GL_EXP: return FOG_EXP;
- case GL_EXP2: return FOG_EXP2;
- default: return FOG_NONE;
- }
-}
-
-#define TXG_NONE 0
-#define TXG_OBJ_LINEAR 1
-#define TXG_EYE_LINEAR 2
-#define TXG_SPHERE_MAP 3
-#define TXG_REFLECTION_MAP 4
-#define TXG_NORMAL_MAP 5
-
-static GLuint translate_texgen( GLboolean enabled, GLenum mode )
-{
- if (!enabled)
- return TXG_NONE;
-
- switch (mode) {
- case GL_OBJECT_LINEAR: return TXG_OBJ_LINEAR;
- case GL_EYE_LINEAR: return TXG_EYE_LINEAR;
- case GL_SPHERE_MAP: return TXG_SPHERE_MAP;
- case GL_REFLECTION_MAP_NV: return TXG_REFLECTION_MAP;
- case GL_NORMAL_MAP_NV: return TXG_NORMAL_MAP;
- default: return TXG_NONE;
- }
-}
-
-static struct state_key *make_state_key( GLcontext *ctx )
-{
- TNLcontext *tnl = TNL_CONTEXT(ctx);
- struct vertex_buffer *VB = &tnl->vb;
- const struct gl_fragment_program *fp = ctx->FragmentProgram._Current;
- struct state_key *key = CALLOC_STRUCT(state_key);
- GLuint i;
-
- /* This now relies on texenvprogram.c being active:
- */
- assert(fp);
-
- key->fragprog_inputs_read = fp->Base.InputsRead;
-
- key->separate_specular = (ctx->Light.Model.ColorControl ==
- GL_SEPARATE_SPECULAR_COLOR);
-
- if (ctx->Light.Enabled) {
- key->light_global_enabled = 1;
-
- if (ctx->Light.Model.LocalViewer)
- key->light_local_viewer = 1;
-
- if (ctx->Light.Model.TwoSide)
- key->light_twoside = 1;
-
- if (ctx->Light.ColorMaterialEnabled) {
- key->light_color_material = 1;
- key->light_color_material_mask = ctx->Light.ColorMaterialBitmask;
- }
-
- for (i = _TNL_FIRST_MAT; i <= _TNL_LAST_MAT; i++)
- if (VB->AttribPtr[i]->stride)
- key->light_material_mask |= 1<<(i-_TNL_ATTRIB_MAT_FRONT_AMBIENT);
-
- for (i = 0; i < MAX_LIGHTS; i++) {
- struct gl_light *light = &ctx->Light.Light[i];
-
- if (light->Enabled) {
- key->unit[i].light_enabled = 1;
-
- if (light->EyePosition[3] == 0.0)
- key->unit[i].light_eyepos3_is_zero = 1;
-
- if (light->SpotCutoff == 180.0)
- key->unit[i].light_spotcutoff_is_180 = 1;
-
- if (light->ConstantAttenuation != 1.0 ||
- light->LinearAttenuation != 0.0 ||
- light->QuadraticAttenuation != 0.0)
- key->unit[i].light_attenuated = 1;
- }
- }
- }
-
- if (ctx->Transform.Normalize)
- key->normalize = 1;
-
- if (ctx->Transform.RescaleNormals)
- key->rescale_normals = 1;
-
- key->fog_mode = translate_fog_mode(fp->FogOption);
-
- if (ctx->Fog.FogCoordinateSource == GL_FRAGMENT_DEPTH_EXT)
- key->fog_source_is_depth = 1;
-
- if (tnl->_DoVertexFog)
- key->tnl_do_vertex_fog = 1;
-
- if (ctx->Point._Attenuated)
- key->point_attenuated = 1;
-
- if (ctx->Texture._TexGenEnabled ||
- ctx->Texture._TexMatEnabled ||
- ctx->Texture._EnabledUnits)
- key->texture_enabled_global = 1;
-
- for (i = 0; i < MAX_TEXTURE_UNITS; i++) {
- struct gl_texture_unit *texUnit = &ctx->Texture.Unit[i];
-
- if (texUnit->_ReallyEnabled)
- key->unit[i].texunit_really_enabled = 1;
-
- if (ctx->Texture._TexMatEnabled & ENABLE_TEXMAT(i))
- key->unit[i].texmat_enabled = 1;
-
- if (texUnit->TexGenEnabled) {
- key->unit[i].texgen_enabled = 1;
-
- key->unit[i].texgen_mode0 =
- translate_texgen( texUnit->TexGenEnabled & (1<<0),
- texUnit->GenModeS );
- key->unit[i].texgen_mode1 =
- translate_texgen( texUnit->TexGenEnabled & (1<<1),
- texUnit->GenModeT );
- key->unit[i].texgen_mode2 =
- translate_texgen( texUnit->TexGenEnabled & (1<<2),
- texUnit->GenModeR );
- key->unit[i].texgen_mode3 =
- translate_texgen( texUnit->TexGenEnabled & (1<<3),
- texUnit->GenModeQ );
- }
- }
-
- return key;
-}
-
-
-
-/* Very useful debugging tool - produces annotated listing of
- * generated program with line/function references for each
- * instruction back into this file:
- */
-#define DISASSEM (MESA_VERBOSE&VERBOSE_DISASSEM)
-
-/* Should be tunable by the driver - do we want to do matrix
- * multiplications with DP4's or with MUL/MAD's? SSE works better
- * with the latter, drivers may differ.
- */
-#define PREFER_DP4 0
-
-#define MAX_INSN 350
-
-/* Use uregs to represent registers internally, translate to Mesa's
- * expected formats on emit.
- *
- * NOTE: These are passed by value extensively in this file rather
- * than as usual by pointer reference. If this disturbs you, try
- * remembering they are just 32bits in size.
- *
- * GCC is smart enough to deal with these dword-sized structures in
- * much the same way as if I had defined them as dwords and was using
- * macros to access and set the fields. This is much nicer and easier
- * to evolve.
- */
-struct ureg {
- GLuint file:4;
- GLint idx:8; /* relative addressing may be negative */
- GLuint negate:1;
- GLuint swz:12;
- GLuint pad:7;
-};
-
-
-struct tnl_program {
- const struct state_key *state;
- struct gl_vertex_program *program;
-
- GLuint temp_in_use;
- GLuint temp_reserved;
-
- struct ureg eye_position;
- struct ureg eye_position_normalized;
- struct ureg eye_normal;
- struct ureg identity;
-
- GLuint materials;
- GLuint color_materials;
-};
-
-
-static const struct ureg undef = {
- PROGRAM_UNDEFINED,
- ~0,
- 0,
- 0,
- 0
-};
-
-/* Local shorthand:
- */
-#define X SWIZZLE_X
-#define Y SWIZZLE_Y
-#define Z SWIZZLE_Z
-#define W SWIZZLE_W
-
-
-/* Construct a ureg:
- */
-static struct ureg make_ureg(GLuint file, GLint idx)
-{
- struct ureg reg;
- reg.file = file;
- reg.idx = idx;
- reg.negate = 0;
- reg.swz = SWIZZLE_NOOP;
- reg.pad = 0;
- return reg;
-}
-
-
-
-static struct ureg negate( struct ureg reg )
-{
- reg.negate ^= 1;
- return reg;
-}
-
-
-static struct ureg swizzle( struct ureg reg, int x, int y, int z, int w )
-{
- reg.swz = MAKE_SWIZZLE4(GET_SWZ(reg.swz, x),
- GET_SWZ(reg.swz, y),
- GET_SWZ(reg.swz, z),
- GET_SWZ(reg.swz, w));
-
- return reg;
-}
-
-static struct ureg swizzle1( struct ureg reg, int x )
-{
- return swizzle(reg, x, x, x, x);
-}
-
-static struct ureg get_temp( struct tnl_program *p )
-{
- int bit = _mesa_ffs( ~p->temp_in_use );
- if (!bit) {
- _mesa_problem(NULL, "%s: out of temporaries\n", __FILE__);
- _mesa_exit(1);
- }
-
- if ((GLuint) bit > p->program->Base.NumTemporaries)
- p->program->Base.NumTemporaries = bit;
-
- p->temp_in_use |= 1<<(bit-1);
- return make_ureg(PROGRAM_TEMPORARY, bit-1);
-}
-
-static struct ureg reserve_temp( struct tnl_program *p )
-{
- struct ureg temp = get_temp( p );
- p->temp_reserved |= 1<<temp.idx;
- return temp;
-}
-
-static void release_temp( struct tnl_program *p, struct ureg reg )
-{
- if (reg.file == PROGRAM_TEMPORARY) {
- p->temp_in_use &= ~(1<<reg.idx);
- p->temp_in_use |= p->temp_reserved; /* can't release reserved temps */
- }
-}
-
-static void release_temps( struct tnl_program *p )
-{
- p->temp_in_use = p->temp_reserved;
-}
-
-
-
-static struct ureg register_input( struct tnl_program *p, GLuint input )
-{
- p->program->Base.InputsRead |= (1<<input);
- return make_ureg(PROGRAM_INPUT, input);
-}
-
-static struct ureg register_output( struct tnl_program *p, GLuint output )
-{
- p->program->Base.OutputsWritten |= (1<<output);
- return make_ureg(PROGRAM_OUTPUT, output);
-}
-
-static struct ureg register_const4f( struct tnl_program *p,
- GLfloat s0,
- GLfloat s1,
- GLfloat s2,
- GLfloat s3)
-{
- GLfloat values[4];
- GLint idx;
- GLuint swizzle;
- values[0] = s0;
- values[1] = s1;
- values[2] = s2;
- values[3] = s3;
- idx = _mesa_add_unnamed_constant( p->program->Base.Parameters, values, 4,
- &swizzle );
- ASSERT(swizzle == SWIZZLE_NOOP);
- return make_ureg(PROGRAM_STATE_VAR, idx);
-}
-
-#define register_const1f(p, s0) register_const4f(p, s0, 0, 0, 1)
-#define register_scalar_const(p, s0) register_const4f(p, s0, s0, s0, s0)
-#define register_const2f(p, s0, s1) register_const4f(p, s0, s1, 0, 1)
-#define register_const3f(p, s0, s1, s2) register_const4f(p, s0, s1, s2, 1)
-
-static GLboolean is_undef( struct ureg reg )
-{
- return reg.file == PROGRAM_UNDEFINED;
-}
-
-static struct ureg get_identity_param( struct tnl_program *p )
-{
- if (is_undef(p->identity))
- p->identity = register_const4f(p, 0,0,0,1);
-
- return p->identity;
-}
-
-static struct ureg register_param5(struct tnl_program *p,
- GLint s0,
- GLint s1,
- GLint s2,
- GLint s3,
- GLint s4)
-{
- gl_state_index tokens[STATE_LENGTH];
- GLint idx;
- tokens[0] = s0;
- tokens[1] = s1;
- tokens[2] = s2;
- tokens[3] = s3;
- tokens[4] = s4;
- idx = _mesa_add_state_reference( p->program->Base.Parameters, tokens );
- return make_ureg(PROGRAM_STATE_VAR, idx);
-}
-
-
-#define register_param1(p,s0) register_param5(p,s0,0,0,0,0)
-#define register_param2(p,s0,s1) register_param5(p,s0,s1,0,0,0)
-#define register_param3(p,s0,s1,s2) register_param5(p,s0,s1,s2,0,0)
-#define register_param4(p,s0,s1,s2,s3) register_param5(p,s0,s1,s2,s3,0)
-
-
-static void register_matrix_param5( struct tnl_program *p,
- GLint s0, /* modelview, projection, etc */
- GLint s1, /* texture matrix number */
- GLint s2, /* first row */
- GLint s3, /* last row */
- GLint s4, /* inverse, transpose, etc */
- struct ureg *matrix )
-{
- GLint i;
-
- /* This is a bit sad as the support is there to pull the whole
- * matrix out in one go:
- */
- for (i = 0; i <= s3 - s2; i++)
- matrix[i] = register_param5( p, s0, s1, i, i, s4 );
-}
-
-
-/**
- * Convert a ureg source register to a prog_src_register.
- */
-static void emit_arg( struct prog_src_register *src,
- struct ureg reg )
-{
- assert(reg.file != PROGRAM_OUTPUT);
- src->File = reg.file;
- src->Index = reg.idx;
- src->Swizzle = reg.swz;
- src->NegateBase = reg.negate ? NEGATE_XYZW : 0;
- src->Abs = 0;
- src->NegateAbs = 0;
- src->RelAddr = 0;
-}
-
/**
* XXX This should go away someday, but still referenced by some drivers...
*/
-void _tnl_UpdateFixedFunctionProgram( GLcontext *ctx )
+void _tnl_UpdateFixedFunctionProgram( struct gl_context *ctx )
{
- const struct gl_vertex_program *prev = ctx->VertexProgram._Current;
-
if (!ctx->VertexProgram._Current ||
ctx->VertexProgram._Current == ctx->VertexProgram._TnlProgram) {
- struct gl_vertex_program *newProg;
-
- newProg = _mesa_get_fixed_func_vertex_program(ctx);
-
- _mesa_reference_vertprog(ctx, &ctx->VertexProgram._TnlProgram, newProg);
- _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current, newProg);
- }
-
- /* Tell the driver about the change. Could define a new target for
- * this?
- */
- if (ctx->VertexProgram._Current != prev && ctx->Driver.BindProgram) {
- ctx->Driver.BindProgram(ctx, GL_VERTEX_PROGRAM_ARB,
- (struct gl_program *) ctx->VertexProgram._Current);
+ ctx->VertexProgram._Current
+ = ctx->VertexProgram._TnlProgram
+ = _mesa_get_fixed_func_vertex_program(ctx);
}
}
projects / mesa.git / blobdiff