diff options
Diffstat (limited to 'src/mesa/main/ffvertex_prog.c')
-rw-r--r-- | src/mesa/main/ffvertex_prog.c | 114 |
1 files changed, 70 insertions, 44 deletions
diff --git a/src/mesa/main/ffvertex_prog.c b/src/mesa/main/ffvertex_prog.c index ebc02940de..d70b78f258 100644 --- a/src/mesa/main/ffvertex_prog.c +++ b/src/mesa/main/ffvertex_prog.c @@ -26,7 +26,7 @@ **************************************************************************/ /** - * \file ffvertex_prog. + * \file ffvertex_prog.c * * Create a vertex program to execute the current fixed function T&L pipeline. * \author Keith Whitwell @@ -47,17 +47,17 @@ struct state_key { + unsigned light_color_material_mask:12; + unsigned light_material_mask:12; 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 material_shininess_is_zero:1; - unsigned need_eye_coords:1; unsigned normalize:1; unsigned rescale_normals:1; + unsigned fog_source_is_depth:1; unsigned tnl_do_vertex_fog:1; unsigned separate_specular:1; @@ -67,6 +67,8 @@ struct state_key { unsigned texture_enabled_global:1; unsigned fragprog_inputs_read:12; + unsigned varying_vp_inputs; + struct { unsigned light_enabled:1; unsigned light_eyepos3_is_zero:1; @@ -99,6 +101,7 @@ static GLuint translate_fog_mode( GLenum mode ) } } + #define TXG_NONE 0 #define TXG_OBJ_LINEAR 1 #define TXG_EYE_LINEAR 2 @@ -143,6 +146,7 @@ tnl_get_per_vertex_materials(GLcontext *ctx) return mask; } + /** * Should fog be computed per-vertex? */ @@ -157,6 +161,7 @@ tnl_get_per_vertex_fog(GLcontext *ctx) #endif } + static GLboolean check_active_shininess( GLcontext *ctx, const struct state_key *key, GLuint side ) @@ -174,8 +179,6 @@ static GLboolean check_active_shininess( GLcontext *ctx, return GL_FALSE; } - - static void make_state_key( GLcontext *ctx, struct state_key *key ) @@ -193,6 +196,7 @@ static void make_state_key( GLcontext *ctx, struct state_key *key ) key->need_eye_coords = ctx->_NeedEyeCoords; key->fragprog_inputs_read = fp->Base.InputsRead; + key->varying_vp_inputs = ctx->varying_vp_inputs; if (ctx->RenderMode == GL_FEEDBACK) { /* make sure the vertprog emits color and tex0 */ @@ -275,7 +279,7 @@ static void make_state_key( GLcontext *ctx, struct state_key *key ) ctx->Texture._EnabledUnits) key->texture_enabled_global = 1; - for (i = 0; i < MAX_TEXTURE_UNITS; i++) { + for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++) { struct gl_texture_unit *texUnit = &ctx->Texture.Unit[i]; if (texUnit->_ReallyEnabled) @@ -407,11 +411,13 @@ static struct ureg swizzle( struct ureg reg, int x, int y, int z, int 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 ); @@ -427,6 +433,7 @@ static struct ureg get_temp( struct tnl_program *p ) return make_ureg(PROGRAM_TEMPORARY, bit-1); } + static struct ureg reserve_temp( struct tnl_program *p ) { struct ureg temp = get_temp( p ); @@ -434,6 +441,7 @@ static struct ureg reserve_temp( struct tnl_program *p ) return temp; } + static void release_temp( struct tnl_program *p, struct ureg reg ) { if (reg.file == PROGRAM_TEMPORARY) { @@ -448,16 +456,49 @@ static void release_temps( struct tnl_program *p ) } +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) + + /** * \param input one of VERT_ATTRIB_x tokens. */ static struct ureg register_input( struct tnl_program *p, GLuint input ) { - p->program->Base.InputsRead |= (1<<input); - return make_ureg(PROGRAM_INPUT, input); + /* Material attribs are passed here as inputs >= 32 + */ + if (input >= 32 || (p->state->varying_vp_inputs & (1<<input))) { + p->program->Base.InputsRead |= (1<<input); + return make_ureg(PROGRAM_INPUT, input); + } + else { + return register_param3( p, STATE_INTERNAL, STATE_CURRENT_ATTRIB, input ); + } } + /** * \param input one of VERT_RESULT_x tokens. */ @@ -467,6 +508,7 @@ static struct ureg register_output( struct tnl_program *p, GLuint output ) return make_ureg(PROGRAM_OUTPUT, output); } + static struct ureg register_const4f( struct tnl_program *p, GLfloat s0, GLfloat s1, @@ -496,6 +538,7 @@ 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)) @@ -504,31 +547,6 @@ static struct ureg get_identity_param( struct tnl_program *p ) 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 */ @@ -561,6 +579,7 @@ static void emit_arg( struct prog_src_register *src, ASSERT(src->Index == reg.idx); } + static void emit_dst( struct prog_dst_register *dst, struct ureg reg, GLuint mask ) { @@ -576,6 +595,7 @@ static void emit_dst( struct prog_dst_register *dst, ASSERT(dst->Index == reg.idx); } + static void debug_insn( struct prog_instruction *inst, const char *fn, GLuint line ) { @@ -686,6 +706,7 @@ static void emit_matrix_transform_vec4( struct tnl_program *p, emit_op2(p, OPCODE_DP4, dest, WRITEMASK_W, src, mat[3]); } + /* This version is much easier to implement if writemasks are not * supported natively on the target or (like SSE), the target doesn't * have a clean/obvious dotproduct implementation. @@ -711,6 +732,7 @@ static void emit_transpose_matrix_transform_vec4( struct tnl_program *p, release_temp(p, tmp); } + static void emit_matrix_transform_vec3( struct tnl_program *p, struct ureg dest, const struct ureg *mat, @@ -738,6 +760,7 @@ static void emit_normalize_vec3( struct tnl_program *p, #endif } + static void emit_passthrough( struct tnl_program *p, GLuint input, GLuint output ) @@ -746,6 +769,7 @@ static void emit_passthrough( struct tnl_program *p, emit_op1(p, OPCODE_MOV, out, 0, register_input(p, input)); } + static struct ureg get_eye_position( struct tnl_program *p ) { if (is_undef(p->eye_position)) { @@ -793,7 +817,6 @@ static struct ureg get_eye_position_z( struct tnl_program *p ) } - static struct ureg get_eye_position_normalized( struct tnl_program *p ) { if (is_undef(p->eye_position_normalized)) { @@ -855,7 +878,6 @@ static struct ureg get_transformed_normal( struct tnl_program *p ) } - static void build_hpos( struct tnl_program *p ) { struct ureg pos = register_input( p, VERT_ATTRIB_POS ); @@ -881,7 +903,9 @@ static GLuint material_attrib( GLuint side, GLuint property ) side); } -/* Get a bitmask of which material values vary on a per-vertex basis. + +/** + * Get a bitmask of which material values vary on a per-vertex basis. */ static void set_material_flags( struct tnl_program *p ) { @@ -917,7 +941,9 @@ static struct ureg get_material( struct tnl_program *p, GLuint side, MAT_BIT_FRONT_AMBIENT | \ MAT_BIT_FRONT_DIFFUSE) << (side)) -/* Either return a precalculated constant value or emit code to + +/** + * Either return a precalculated constant value or emit code to * calculate these values dynamically in the case where material calls * are present between begin/end pairs. * @@ -960,6 +986,7 @@ static struct ureg get_lightprod( struct tnl_program *p, GLuint light, return register_param4(p, STATE_LIGHTPROD, light, side, property); } + static struct ureg calculate_light_attenuation( struct tnl_program *p, GLuint i, struct ureg VPpli, @@ -1216,7 +1243,6 @@ static void build_lighting( struct tnl_program *p ) struct ureg res0, res1; GLuint mask0, mask1; - if (count == nr_lights) { if (separate) { mask0 = WRITEMASK_XYZ; @@ -1237,7 +1263,6 @@ static void build_lighting( struct tnl_program *p ) res1 = _col1; } - if (!is_undef(att)) { /* light is attenuated by distance */ emit_op1(p, OPCODE_LIT, lit, 0, dots); @@ -1310,7 +1335,6 @@ static void build_lighting( struct tnl_program *p ) emit_op3(p, OPCODE_MAD, res0, mask0, swizzle1(lit,Y), diffuse, _bfc0); emit_op3(p, OPCODE_MAD, res1, mask1, swizzle1(lit,Z), specular, _bfc1); - /* restore negate flag for next lighting */ dots = negate(dots); @@ -1385,6 +1409,7 @@ static void build_fog( struct tnl_program *p ) emit_op1(p, useabs ? OPCODE_ABS : OPCODE_MOV, fog, WRITEMASK_X, input); } } + static void build_reflect_texgen( struct tnl_program *p, struct ureg dest, @@ -1404,6 +1429,7 @@ static void build_reflect_texgen( struct tnl_program *p, release_temp(p, tmp); } + static void build_sphere_texgen( struct tnl_program *p, struct ureg dest, GLuint writemask ) @@ -1451,7 +1477,7 @@ static void build_texture_transform( struct tnl_program *p ) { GLuint i, j; - for (i = 0; i < MAX_TEXTURE_UNITS; i++) { + for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++) { if (!(p->state->fragprog_inputs_read & FRAG_BIT_TEX(i))) continue; @@ -1514,10 +1540,8 @@ static void build_texture_transform( struct tnl_program *p ) case TXG_NONE: copy_mask |= WRITEMASK_X << j; } - } - if (sphere_mask) { build_sphere_texgen(p, out_texgen, sphere_mask); } @@ -1600,6 +1624,7 @@ static void build_atten_pointsize( struct tnl_program *p ) release_temp(p, ut); } + /** * Emit constant point size. */ @@ -1610,6 +1635,7 @@ static void build_constant_pointsize( struct tnl_program *p ) emit_op1(p, OPCODE_MOV, out, WRITEMASK_X, state_size); } + /** * Pass-though per-vertex point size, from user's point size array. */ |