diff options
Diffstat (limited to 'src/mesa/tnl/t_vp_build.c')
| -rw-r--r-- | src/mesa/tnl/t_vp_build.c | 440 |
1 files changed, 3 insertions, 437 deletions
diff --git a/src/mesa/tnl/t_vp_build.c b/src/mesa/tnl/t_vp_build.c index ca1df04868..7be4d95af6 100644 --- a/src/mesa/tnl/t_vp_build.c +++ b/src/mesa/tnl/t_vp_build.c @@ -35,437 +35,6 @@ #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... */ @@ -475,12 +44,9 @@ void _tnl_UpdateFixedFunctionProgram( GLcontext *ctx ) 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); + ctx->VertexProgram._Current + = ctx->VertexProgram._TnlProgram + = _mesa_get_fixed_func_vertex_program(ctx); } /* Tell the driver about the change. Could define a new target for |