diff options
Diffstat (limited to 'src')
28 files changed, 791 insertions, 302 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_context.c b/src/mesa/drivers/dri/i965/brw_context.c index 1d6ac2cea68..a415e378fff 100644 --- a/src/mesa/drivers/dri/i965/brw_context.c +++ b/src/mesa/drivers/dri/i965/brw_context.c @@ -32,6 +32,7 @@ #include "main/imports.h" #include "main/api_noop.h" +#include "main/macros.h" #include "main/vtxfmt.h" #include "main/simple_list.h" #include "shader/shader_api.h" @@ -128,9 +129,10 @@ GLboolean brwCreateContext( const __GLcontextModes *mesaVis, TNL_CONTEXT(ctx)->Driver.RunPipeline = _tnl_run_pipeline; - ctx->Const.MaxTextureUnits = BRW_MAX_TEX_UNIT; ctx->Const.MaxTextureImageUnits = BRW_MAX_TEX_UNIT; - ctx->Const.MaxTextureCoordUnits = BRW_MAX_TEX_UNIT; + ctx->Const.MaxTextureCoordUnits = 8; /* Mesa limit */ + ctx->Const.MaxTextureUnits = MIN2(ctx->Const.MaxTextureCoordUnits, + ctx->Const.MaxTextureImageUnits); ctx->Const.MaxVertexTextureImageUnits = 0; /* no vertex shader textures */ /* Advertise the full hardware capabilities. The new memory diff --git a/src/mesa/drivers/dri/i965/brw_context.h b/src/mesa/drivers/dri/i965/brw_context.h index 77980109cdf..5d3f99e025e 100644 --- a/src/mesa/drivers/dri/i965/brw_context.h +++ b/src/mesa/drivers/dri/i965/brw_context.h @@ -238,7 +238,7 @@ struct brw_vs_ouput_sizes { }; -#define BRW_MAX_TEX_UNIT 8 +#define BRW_MAX_TEX_UNIT 16 #define BRW_WM_MAX_SURF BRW_MAX_TEX_UNIT + MAX_DRAW_BUFFERS enum brw_cache_id { diff --git a/src/mesa/drivers/dri/i965/brw_eu.h b/src/mesa/drivers/dri/i965/brw_eu.h index 49b422ee2ff..31e9ceb42ed 100644 --- a/src/mesa/drivers/dri/i965/brw_eu.h +++ b/src/mesa/drivers/dri/i965/brw_eu.h @@ -129,17 +129,28 @@ static INLINE int type_sz( GLuint type ) } } +/** + * Construct a brw_reg. + * \param file one of the BRW_x_REGISTER_FILE values + * \param nr register number/index + * \param subnr register sub number + * \param type one of BRW_REGISTER_TYPE_x + * \param vstride one of BRW_VERTICAL_STRIDE_x + * \param width one of BRW_WIDTH_x + * \param hstride one of BRW_HORIZONTAL_STRIDE_x + * \param swizzle one of BRW_SWIZZLE_x + * \param writemask WRITEMASK_X/Y/Z/W bitfield + */ static INLINE struct brw_reg brw_reg( GLuint file, - GLuint nr, - GLuint subnr, - GLuint type, - GLuint vstride, - GLuint width, - GLuint hstride, - GLuint swizzle, - GLuint writemask) -{ - + GLuint nr, + GLuint subnr, + GLuint type, + GLuint vstride, + GLuint width, + GLuint hstride, + GLuint swizzle, + GLuint writemask ) +{ struct brw_reg reg; reg.type = type; reg.file = file; @@ -166,6 +177,7 @@ static INLINE struct brw_reg brw_reg( GLuint file, return reg; } +/** Construct float[16] register */ static INLINE struct brw_reg brw_vec16_reg( GLuint file, GLuint nr, GLuint subnr ) @@ -181,6 +193,7 @@ static INLINE struct brw_reg brw_vec16_reg( GLuint file, WRITEMASK_XYZW); } +/** Construct float[8] register */ static INLINE struct brw_reg brw_vec8_reg( GLuint file, GLuint nr, GLuint subnr ) @@ -196,7 +209,7 @@ static INLINE struct brw_reg brw_vec8_reg( GLuint file, WRITEMASK_XYZW); } - +/** Construct float[4] register */ static INLINE struct brw_reg brw_vec4_reg( GLuint file, GLuint nr, GLuint subnr ) @@ -212,7 +225,7 @@ static INLINE struct brw_reg brw_vec4_reg( GLuint file, WRITEMASK_XYZW); } - +/** Construct float[2] register */ static INLINE struct brw_reg brw_vec2_reg( GLuint file, GLuint nr, GLuint subnr ) @@ -228,6 +241,7 @@ static INLINE struct brw_reg brw_vec2_reg( GLuint file, WRITEMASK_XY); } +/** Construct float[1] register */ static INLINE struct brw_reg brw_vec1_reg( GLuint file, GLuint nr, GLuint subnr ) @@ -277,6 +291,7 @@ static INLINE struct brw_reg byte_offset( struct brw_reg reg, } +/** Construct unsigned word[16] register */ static INLINE struct brw_reg brw_uw16_reg( GLuint file, GLuint nr, GLuint subnr ) @@ -284,6 +299,7 @@ static INLINE struct brw_reg brw_uw16_reg( GLuint file, return suboffset(retype(brw_vec16_reg(file, nr, 0), BRW_REGISTER_TYPE_UW), subnr); } +/** Construct unsigned word[8] register */ static INLINE struct brw_reg brw_uw8_reg( GLuint file, GLuint nr, GLuint subnr ) @@ -291,6 +307,7 @@ static INLINE struct brw_reg brw_uw8_reg( GLuint file, return suboffset(retype(brw_vec8_reg(file, nr, 0), BRW_REGISTER_TYPE_UW), subnr); } +/** Construct unsigned word[1] register */ static INLINE struct brw_reg brw_uw1_reg( GLuint file, GLuint nr, GLuint subnr ) @@ -311,6 +328,7 @@ static INLINE struct brw_reg brw_imm_reg( GLuint type ) 0); } +/** Construct float immediate register */ static INLINE struct brw_reg brw_imm_f( GLfloat f ) { struct brw_reg imm = brw_imm_reg(BRW_REGISTER_TYPE_F); @@ -318,6 +336,7 @@ static INLINE struct brw_reg brw_imm_f( GLfloat f ) return imm; } +/** Construct integer immediate register */ static INLINE struct brw_reg brw_imm_d( GLint d ) { struct brw_reg imm = brw_imm_reg(BRW_REGISTER_TYPE_D); @@ -325,6 +344,7 @@ static INLINE struct brw_reg brw_imm_d( GLint d ) return imm; } +/** Construct uint immediate register */ static INLINE struct brw_reg brw_imm_ud( GLuint ud ) { struct brw_reg imm = brw_imm_reg(BRW_REGISTER_TYPE_UD); @@ -332,6 +352,7 @@ static INLINE struct brw_reg brw_imm_ud( GLuint ud ) return imm; } +/** Construct ushort immediate register */ static INLINE struct brw_reg brw_imm_uw( GLushort uw ) { struct brw_reg imm = brw_imm_reg(BRW_REGISTER_TYPE_UW); @@ -339,6 +360,7 @@ static INLINE struct brw_reg brw_imm_uw( GLushort uw ) return imm; } +/** Construct short immediate register */ static INLINE struct brw_reg brw_imm_w( GLshort w ) { struct brw_reg imm = brw_imm_reg(BRW_REGISTER_TYPE_W); @@ -350,8 +372,7 @@ static INLINE struct brw_reg brw_imm_w( GLshort w ) * numbers alias with _V and _VF below: */ -/* Vector of eight signed half-byte values: - */ +/** Construct vector of eight signed half-byte values */ static INLINE struct brw_reg brw_imm_v( GLuint v ) { struct brw_reg imm = brw_imm_reg(BRW_REGISTER_TYPE_V); @@ -362,8 +383,7 @@ static INLINE struct brw_reg brw_imm_v( GLuint v ) return imm; } -/* Vector of four 8-bit float values: - */ +/** Construct vector of four 8-bit float values */ static INLINE struct brw_reg brw_imm_vf( GLuint v ) { struct brw_reg imm = brw_imm_reg(BRW_REGISTER_TYPE_VF); @@ -400,44 +420,43 @@ static INLINE struct brw_reg brw_address( struct brw_reg reg ) return brw_imm_uw(reg.nr * REG_SIZE + reg.subnr); } - -static INLINE struct brw_reg brw_vec1_grf( GLuint nr, - GLuint subnr ) +/** Construct float[1] general-purpose register */ +static INLINE struct brw_reg brw_vec1_grf( GLuint nr, GLuint subnr ) { return brw_vec1_reg(BRW_GENERAL_REGISTER_FILE, nr, subnr); } -static INLINE struct brw_reg brw_vec8_grf( GLuint nr, - GLuint subnr ) +/** Construct float[2] general-purpose register */ +static INLINE struct brw_reg brw_vec2_grf( GLuint nr, GLuint subnr ) { - return brw_vec8_reg(BRW_GENERAL_REGISTER_FILE, nr, subnr); + return brw_vec2_reg(BRW_GENERAL_REGISTER_FILE, nr, subnr); } -static INLINE struct brw_reg brw_vec4_grf( GLuint nr, - GLuint subnr ) +/** Construct float[4] general-purpose register */ +static INLINE struct brw_reg brw_vec4_grf( GLuint nr, GLuint subnr ) { return brw_vec4_reg(BRW_GENERAL_REGISTER_FILE, nr, subnr); } - -static INLINE struct brw_reg brw_vec2_grf( GLuint nr, - GLuint subnr ) +/** Construct float[8] general-purpose register */ +static INLINE struct brw_reg brw_vec8_grf( GLuint nr, GLuint subnr ) { - return brw_vec2_reg(BRW_GENERAL_REGISTER_FILE, nr, subnr); + return brw_vec8_reg(BRW_GENERAL_REGISTER_FILE, nr, subnr); } -static INLINE struct brw_reg brw_uw8_grf( GLuint nr, - GLuint subnr ) + +static INLINE struct brw_reg brw_uw8_grf( GLuint nr, GLuint subnr ) { return brw_uw8_reg(BRW_GENERAL_REGISTER_FILE, nr, subnr); } -static INLINE struct brw_reg brw_uw16_grf( GLuint nr, - GLuint subnr ) +static INLINE struct brw_reg brw_uw16_grf( GLuint nr, GLuint subnr ) { return brw_uw16_reg(BRW_GENERAL_REGISTER_FILE, nr, subnr); } + +/** Construct null register (usually used for setting condition codes) */ static INLINE struct brw_reg brw_null_reg( void ) { return brw_vec8_reg(BRW_ARCHITECTURE_REGISTER_FILE, @@ -524,13 +543,13 @@ static INLINE struct brw_reg stride( struct brw_reg reg, GLuint width, GLuint hstride ) { - reg.vstride = cvt(vstride); reg.width = cvt(width) - 1; reg.hstride = cvt(hstride); return reg; } + static INLINE struct brw_reg vec16( struct brw_reg reg ) { return stride(reg, 16,16,1); @@ -556,6 +575,7 @@ static INLINE struct brw_reg vec1( struct brw_reg reg ) return stride(reg, 0,1,0); } + static INLINE struct brw_reg get_element( struct brw_reg reg, GLuint elt ) { return vec1(suboffset(reg, elt)); @@ -687,7 +707,7 @@ static INLINE struct brw_indirect brw_indirect( GLuint addr_subnr, GLint offset static INLINE struct brw_instruction *current_insn( struct brw_compile *p) { - return &p->store[p->nr_insn]; + return &p->store[p->nr_insn]; } void brw_pop_insn_state( struct brw_compile *p ); diff --git a/src/mesa/drivers/dri/i965/brw_vs_emit.c b/src/mesa/drivers/dri/i965/brw_vs_emit.c index 4a9541378f7..80ff7437ba2 100644 --- a/src/mesa/drivers/dri/i965/brw_vs_emit.c +++ b/src/mesa/drivers/dri/i965/brw_vs_emit.c @@ -73,8 +73,6 @@ static void brw_vs_alloc_regs( struct brw_vs_compile *c ) c->prog_data.curb_read_length = reg - 1; - - /* Allocate input regs: */ c->nr_inputs = 0; @@ -84,8 +82,7 @@ static void brw_vs_alloc_regs( struct brw_vs_compile *c ) c->regs[PROGRAM_INPUT][i] = brw_vec8_grf(reg, 0); reg++; } - } - + } /* Allocate outputs: TODO: could organize the non-position outputs * to go straight into message regs. @@ -339,6 +336,7 @@ static void emit_math1( struct brw_vs_compile *c, } } + static void emit_math2( struct brw_vs_compile *c, GLuint function, struct brw_reg dst, @@ -370,7 +368,6 @@ static void emit_math2( struct brw_vs_compile *c, release_tmp(c, tmp); } } - static void emit_exp_noalias( struct brw_vs_compile *c, @@ -521,8 +518,6 @@ static void emit_log_noalias( struct brw_vs_compile *c, } - - /* Need to unalias - consider swizzles: r0 = DST r0.xxxx r1 */ static void emit_dst_noalias( struct brw_vs_compile *c, @@ -544,6 +539,7 @@ static void emit_dst_noalias( struct brw_vs_compile *c, brw_MOV(p, brw_writemask(dst, WRITEMASK_W), arg1); } + static void emit_xpd( struct brw_compile *p, struct brw_reg dst, struct brw_reg t, @@ -554,7 +550,6 @@ static void emit_xpd( struct brw_compile *p, } - static void emit_lit_noalias( struct brw_vs_compile *c, struct brw_reg dst, struct brw_reg arg0 ) @@ -596,7 +591,29 @@ static void emit_lit_noalias( struct brw_vs_compile *c, } +/** 3 or 4-component vector normalization */ +static void emit_nrm( struct brw_vs_compile *c, + struct brw_reg dst, + struct brw_reg arg0, + int num_comps) +{ + struct brw_compile *p = &c->func; + struct brw_reg tmp = get_tmp(c); + /* tmp = dot(arg0, arg0) */ + if (num_comps == 3) + brw_DP3(p, tmp, arg0, arg0); + else + brw_DP4(p, tmp, arg0, arg0); + + /* tmp = 1 / sqrt(tmp) */ + emit_math1(c, BRW_MATH_FUNCTION_RSQ, tmp, tmp, BRW_MATH_PRECISION_FULL); + + /* dst = arg0 * tmp */ + brw_MUL(p, dst, arg0, tmp); + + release_tmp(c, tmp); +} /* TODO: relative addressing! @@ -634,7 +651,6 @@ static struct brw_reg get_reg( struct brw_vs_compile *c, } - static struct brw_reg deref( struct brw_vs_compile *c, struct brw_reg arg, GLint offset) @@ -728,8 +744,6 @@ static struct brw_reg get_dst( struct brw_vs_compile *c, } - - static void emit_swz( struct brw_vs_compile *c, struct brw_reg dst, struct prog_src_register src ) @@ -801,8 +815,8 @@ static void emit_swz( struct brw_vs_compile *c, } - -/* Post-vertex-program processing. Send the results to the URB. +/** + * Post-vertex-program processing. Send the results to the URB. */ static void emit_vertex_write( struct brw_vs_compile *c) { @@ -817,7 +831,6 @@ static void emit_vertex_write( struct brw_vs_compile *c) get_reg(c, PROGRAM_INPUT, VERT_ATTRIB_EDGEFLAG)); } - /* Build ndc coords */ if (!c->key.know_w_is_one) { ndc = get_tmp(c); @@ -848,7 +861,6 @@ static void emit_vertex_write( struct brw_vs_compile *c) brw_AND(p, brw_writemask(header1, WRITEMASK_W), header1, brw_imm_ud(0x7ff<<8)); } - for (i = 0; i < c->key.nr_userclip; i++) { brw_set_conditionalmod(p, BRW_CONDITIONAL_L); brw_DP4(p, brw_null_reg(), pos, c->userplane[i]); @@ -856,7 +868,6 @@ static void emit_vertex_write( struct brw_vs_compile *c) brw_set_predicate_control(p, BRW_PREDICATE_NONE); } - /* i965 clipping workaround: * 1) Test for -ve rhw * 2) If set, @@ -888,14 +899,12 @@ static void emit_vertex_write( struct brw_vs_compile *c) brw_MOV(p, retype(brw_message_reg(1), BRW_REGISTER_TYPE_UD), brw_imm_ud(0)); } - /* Emit the (interleaved) headers for the two vertices - an 8-reg * of zeros followed by two sets of NDC coordinates: */ brw_set_access_mode(p, BRW_ALIGN_1); brw_MOV(p, offset(m0, 2), ndc); brw_MOV(p, offset(m0, 3), pos); - brw_urb_WRITE(p, brw_null_reg(), /* dest */ @@ -909,9 +918,9 @@ static void emit_vertex_write( struct brw_vs_compile *c) 1, /* writes complete */ 0, /* urb destination offset */ BRW_URB_SWIZZLE_INTERLEAVE); - } + static void post_vs_emit( struct brw_vs_compile *c, struct brw_instruction *end_inst ) { @@ -1035,6 +1044,12 @@ void brw_vs_emit(struct brw_vs_compile *c ) case OPCODE_DPH: brw_DPH(p, dst, args[0], args[1]); break; + case OPCODE_NRM3: + emit_nrm(c, dst, args[0], 3); + break; + case OPCODE_NRM4: + emit_nrm(c, dst, args[0], 4); + break; case OPCODE_DST: unalias2(c, dst, args[0], args[1], emit_dst_noalias); break; @@ -1102,7 +1117,7 @@ void brw_vs_emit(struct brw_vs_compile *c ) break; case OPCODE_SGT: emit_sgt(p, dst, args[0], args[1]); - break; + break; case OPCODE_SLT: emit_slt(p, dst, args[0], args[1]); break; @@ -1136,7 +1151,7 @@ void brw_vs_emit(struct brw_vs_compile *c ) brw_set_predicate_control(p, BRW_PREDICATE_NORMAL); brw_ADD(p, brw_ip_reg(), brw_ip_reg(), brw_imm_d(1*16)); brw_set_predicate_control_flag_value(p, 0xff); - break; + break; case OPCODE_CAL: brw_set_access_mode(p, BRW_ALIGN_1); brw_ADD(p, deref_1d(stack_index, 0), brw_ip_reg(), brw_imm_d(3*16)); @@ -1145,7 +1160,7 @@ void brw_vs_emit(struct brw_vs_compile *c ) get_addr_reg(stack_index), brw_imm_d(4)); inst->Data = &p->store[p->nr_insn]; brw_ADD(p, brw_ip_reg(), brw_ip_reg(), brw_imm_d(1*16)); - break; + break; case OPCODE_RET: brw_ADD(p, get_addr_reg(stack_index), get_addr_reg(stack_index), brw_imm_d(-4)); @@ -1154,17 +1169,17 @@ void brw_vs_emit(struct brw_vs_compile *c ) brw_set_access_mode(p, BRW_ALIGN_16); case OPCODE_END: brw_ADD(p, brw_ip_reg(), brw_ip_reg(), brw_imm_d(1*16)); - break; + break; case OPCODE_PRINT: case OPCODE_BGNSUB: case OPCODE_ENDSUB: + /* no-op instructions */ break; default: - _mesa_printf("Unsupported opcode %i (%s) in vertex shader\n", - inst->Opcode, inst->Opcode < MAX_OPCODE ? + _mesa_problem(NULL, "Unsupported opcode %i (%s) in vertex shader", + inst->Opcode, inst->Opcode < MAX_OPCODE ? _mesa_opcode_string(inst->Opcode) : "unknown"); - break; } if ((inst->DstReg.File == PROGRAM_OUTPUT) diff --git a/src/mesa/drivers/dri/i965/brw_wm.c b/src/mesa/drivers/dri/i965/brw_wm.c index bad76793af7..5b4ee20ecb5 100644 --- a/src/mesa/drivers/dri/i965/brw_wm.c +++ b/src/mesa/drivers/dri/i965/brw_wm.c @@ -36,6 +36,7 @@ #include "brw_state.h" +/** Return number of src args for given instruction */ GLuint brw_wm_nr_args( GLuint opcode ) { switch (opcode) { @@ -58,6 +59,8 @@ GLuint brw_wm_nr_args( GLuint opcode ) case OPCODE_TXP: case OPCODE_KIL: case OPCODE_LIT: + case OPCODE_NRM3: + case OPCODE_NRM4: case WM_CINTERP: case WM_WPOSXY: return 1; diff --git a/src/mesa/drivers/dri/i965/brw_wm_emit.c b/src/mesa/drivers/dri/i965/brw_wm_emit.c index 58c78c4b2c5..b5050a3e40b 100644 --- a/src/mesa/drivers/dri/i965/brw_wm_emit.c +++ b/src/mesa/drivers/dri/i965/brw_wm_emit.c @@ -194,7 +194,7 @@ static void emit_linterp( struct brw_compile *p, interp[2] = brw_vec1_grf(nr+1, 0); interp[3] = brw_vec1_grf(nr+1, 4); - for(i = 0; i < 4; i++ ) { + for (i = 0; i < 4; i++) { if (mask & (1<<i)) { brw_LINE(p, brw_null_reg(), interp[i], deltas[0]); brw_MAC(p, dst[i], suboffset(interp[i],1), deltas[1]); @@ -219,42 +219,40 @@ static void emit_pinterp( struct brw_compile *p, interp[2] = brw_vec1_grf(nr+1, 0); interp[3] = brw_vec1_grf(nr+1, 4); - for(i = 0; i < 4; i++ ) { + for (i = 0; i < 4; i++) { if (mask & (1<<i)) { brw_LINE(p, brw_null_reg(), interp[i], deltas[0]); brw_MAC(p, dst[i], suboffset(interp[i],1), deltas[1]); } } - for(i = 0; i < 4; i++ ) { + for (i = 0; i < 4; i++) { if (mask & (1<<i)) { brw_MUL(p, dst[i], dst[i], w[3]); } } } + static void emit_cinterp( struct brw_compile *p, const struct brw_reg *dst, GLuint mask, const struct brw_reg *arg0 ) { - struct brw_reg interp[4]; - GLuint nr = arg0[0].nr; - GLuint i; - - interp[0] = brw_vec1_grf(nr, 0); - interp[1] = brw_vec1_grf(nr, 4); - interp[2] = brw_vec1_grf(nr+1, 0); - interp[3] = brw_vec1_grf(nr+1, 4); - - for(i = 0; i < 4; i++ ) { - if (mask & (1<<i)) { - brw_MOV(p, dst[i], suboffset(interp[i],3)); /* TODO: optimize away like other moves */ - } - } -} - + struct brw_reg interp[4]; + GLuint nr = arg0[0].nr; + GLuint i; + interp[0] = brw_vec1_grf(nr, 0); + interp[1] = brw_vec1_grf(nr, 4); + interp[2] = brw_vec1_grf(nr+1, 0); + interp[3] = brw_vec1_grf(nr+1, 4); + for (i = 0; i < 4; i++) { + if (mask & (1<<i)) { + brw_MOV(p, dst[i], suboffset(interp[i],3)); /* TODO: optimize away like other moves */ + } + } +} static void emit_alu1( struct brw_compile *p, @@ -280,6 +278,7 @@ static void emit_alu1( struct brw_compile *p, brw_set_saturate(p, 0); } + static void emit_alu2( struct brw_compile *p, struct brw_instruction *(*func)(struct brw_compile *, struct brw_reg, @@ -351,6 +350,7 @@ static void emit_lrp( struct brw_compile *p, } } } + static void emit_sop( struct brw_compile *p, const struct brw_reg *dst, GLuint mask, @@ -376,7 +376,7 @@ static void emit_slt( struct brw_compile *p, const struct brw_reg *arg0, const struct brw_reg *arg1 ) { - emit_sop(p, dst, mask, BRW_CONDITIONAL_L, arg0, arg1); + emit_sop(p, dst, mask, BRW_CONDITIONAL_L, arg0, arg1); } static void emit_sle( struct brw_compile *p, @@ -385,7 +385,7 @@ static void emit_sle( struct brw_compile *p, const struct brw_reg *arg0, const struct brw_reg *arg1 ) { - emit_sop(p, dst, mask, BRW_CONDITIONAL_LE, arg0, arg1); + emit_sop(p, dst, mask, BRW_CONDITIONAL_LE, arg0, arg1); } static void emit_sgt( struct brw_compile *p, @@ -394,7 +394,7 @@ static void emit_sgt( struct brw_compile *p, const struct brw_reg *arg0, const struct brw_reg *arg1 ) { - emit_sop(p, dst, mask, BRW_CONDITIONAL_G, arg0, arg1); + emit_sop(p, dst, mask, BRW_CONDITIONAL_G, arg0, arg1); } static void emit_sge( struct brw_compile *p, @@ -403,7 +403,7 @@ static void emit_sge( struct brw_compile *p, const struct brw_reg *arg0, const struct brw_reg *arg1 ) { - emit_sop(p, dst, mask, BRW_CONDITIONAL_GE, arg0, arg1); + emit_sop(p, dst, mask, BRW_CONDITIONAL_GE, arg0, arg1); } static void emit_seq( struct brw_compile *p, @@ -412,7 +412,7 @@ static void emit_seq( struct brw_compile *p, const struct brw_reg *arg0, const struct brw_reg *arg1 ) { - emit_sop(p, dst, mask, BRW_CONDITIONAL_EQ, arg0, arg1); + emit_sop(p, dst, mask, BRW_CONDITIONAL_EQ, arg0, arg1); } static void emit_sne( struct brw_compile *p, @@ -421,7 +421,7 @@ static void emit_sne( struct brw_compile *p, const struct brw_reg *arg0, const struct brw_reg *arg1 ) { - emit_sop(p, dst, mask, BRW_CONDITIONAL_NEQ, arg0, arg1); + emit_sop(p, dst, mask, BRW_CONDITIONAL_NEQ, arg0, arg1); } static void emit_cmp( struct brw_compile *p, @@ -505,7 +505,7 @@ static void emit_dp3( struct brw_compile *p, const struct brw_reg *arg1 ) { if (!(mask & WRITEMASK_XYZW)) - return; /* Do not emit dead code*/ + return; /* Do not emit dead code */ assert((mask & WRITEMASK_XYZW) == WRITEMASK_X); @@ -525,7 +525,7 @@ static void emit_dp4( struct brw_compile *p, const struct brw_reg *arg1 ) { if (!(mask & WRITEMASK_XYZW)) - return; /* Do not emit dead code*/ + return; /* Do not emit dead code */ assert((mask & WRITEMASK_XYZW) == WRITEMASK_X); @@ -546,7 +546,7 @@ static void emit_dph( struct brw_compile *p, const struct brw_reg *arg1 ) { if (!(mask & WRITEMASK_XYZW)) - return; /* Do not emit dead code*/ + return; /* Do not emit dead code */ assert((mask & WRITEMASK_XYZW) == WRITEMASK_X); @@ -592,7 +592,7 @@ static void emit_math1( struct brw_compile *p, const struct brw_reg *arg0 ) { if (!(mask & WRITEMASK_XYZW)) - return; /* Do not emit dead code*/ + return; /* Do not emit dead code */ //assert((mask & WRITEMASK_XYZW) == WRITEMASK_X || // function == BRW_MATH_FUNCTION_SINCOS); @@ -619,7 +619,7 @@ static void emit_math2( struct brw_compile *p, const struct brw_reg *arg1) { if (!(mask & WRITEMASK_XYZW)) - return; /* Do not emit dead code*/ + return; /* Do not emit dead code */ assert((mask & WRITEMASK_XYZW) == WRITEMASK_X); @@ -760,7 +760,6 @@ static void emit_txb( struct brw_wm_compile *c, brw_MOV(p, brw_message_reg(8), arg[3]); msgLength = 9; - brw_SAMPLE(p, retype(vec16(dst[0]), BRW_REGISTER_TYPE_UW), 1, @@ -772,7 +771,6 @@ static void emit_txb( struct brw_wm_compile *c, 8, /* responseLength */ msgLength, 0); - } @@ -823,7 +821,6 @@ static void emit_kil( struct brw_wm_compile *c, struct brw_reg r0uw = retype(brw_vec1_grf(0, 0), BRW_REGISTER_TYPE_UW); GLuint i; - /* XXX - usually won't need 4 compares! */ for (i = 0; i < 4; i++) { @@ -836,6 +833,7 @@ static void emit_kil( struct brw_wm_compile *c, } } + static void fire_fb_write( struct brw_wm_compile *c, GLuint base_reg, GLuint nr, @@ -869,6 +867,7 @@ static void fire_fb_write( struct brw_wm_compile *c, eot); } + static void emit_aa( struct brw_wm_compile *c, struct brw_reg *arg1, GLuint reg ) @@ -962,7 +961,6 @@ static void emit_fb_write( struct brw_wm_compile *c, nr += 2; } - if (!c->key.runtime_check_aads_emit) { if (c->key.aa_dest_stencil_reg) emit_aa(c, arg1, 2); @@ -996,8 +994,6 @@ static void emit_fb_write( struct brw_wm_compile *c, } - - /* Post-fragment-program processing. Send the results to the * framebuffer. */ @@ -1022,6 +1018,7 @@ static void emit_spill( struct brw_wm_compile *c, slot); } + static void emit_unspill( struct brw_wm_compile *c, struct brw_reg reg, GLuint slot ) @@ -1047,7 +1044,6 @@ static void emit_unspill( struct brw_wm_compile *c, } - /** * Retrieve upto 4 GEN4 register pairs for the given wm reg: */ @@ -1073,6 +1069,7 @@ static void get_argument_regs( struct brw_wm_compile *c, } } + static void spill_values( struct brw_wm_compile *c, struct brw_wm_value *values, GLuint nr ) @@ -1085,7 +1082,6 @@ static void spill_values( struct brw_wm_compile *c, } - /* Emit the fragment program instructions here. */ void brw_wm_emit( struct brw_wm_compile *c ) @@ -1176,7 +1172,7 @@ void brw_wm_emit( struct brw_wm_compile *c ) emit_alu1(p, brw_RNDD, dst, dst_flags, args[0]); break; - case OPCODE_DP3: /* */ + case OPCODE_DP3: emit_dp3(p, dst, dst_flags, args[0], args[1]); break; @@ -1188,7 +1184,7 @@ void brw_wm_emit( struct brw_wm_compile *c ) emit_dph(p, dst, dst_flags, args[0], args[1]); break; - case OPCODE_LRP: /* */ + case OPCODE_LRP: emit_lrp(p, dst, dst_flags, args[0], args[1], args[2]); break; @@ -1315,8 +1311,3 @@ void brw_wm_emit( struct brw_wm_compile *c ) inst->dst[i]->spill_slot); } } - - - - - diff --git a/src/mesa/drivers/dri/intel/intel_context.h b/src/mesa/drivers/dri/intel/intel_context.h index ac08117bb4c..048286c196b 100644 --- a/src/mesa/drivers/dri/intel/intel_context.h +++ b/src/mesa/drivers/dri/intel/intel_context.h @@ -157,6 +157,19 @@ struct intel_context void (*debug_batch)(struct intel_context *intel); } vtbl; + struct { + struct gl_fragment_program *bitmap_fp; + struct gl_vertex_program *passthrough_vp; + + struct gl_fragment_program *saved_fp; + GLboolean saved_fp_enable; + struct gl_vertex_program *saved_vp; + GLboolean saved_vp_enable; + + GLint saved_vp_x, saved_vp_y; + GLsizei saved_vp_width, saved_vp_height; + } meta; + GLint refcount; GLuint Fallback; GLuint NewGLState; diff --git a/src/mesa/drivers/dri/intel/intel_pixel.c b/src/mesa/drivers/dri/intel/intel_pixel.c index 5702ad9bb57..cf2f32d3845 100644 --- a/src/mesa/drivers/dri/intel/intel_pixel.c +++ b/src/mesa/drivers/dri/intel/intel_pixel.c @@ -27,7 +27,12 @@ #include "main/enums.h" #include "main/state.h" +#include "main/context.h" +#include "main/enable.h" +#include "main/matrix.h" #include "swrast/swrast.h" +#include "shader/arbprogram.h" +#include "shader/program.h" #include "intel_context.h" #include "intel_pixel.h" @@ -167,6 +172,159 @@ intel_check_blit_format(struct intel_region * region, return GL_FALSE; } +void +intel_meta_set_passthrough_transform(struct intel_context *intel) +{ + GLcontext *ctx = &intel->ctx; + + intel->meta.saved_vp_x = ctx->Viewport.X; + intel->meta.saved_vp_y = ctx->Viewport.Y; + intel->meta.saved_vp_width = ctx->Viewport.Width; + intel->meta.saved_vp_height = ctx->Viewport.Height; + + _mesa_Viewport(0, 0, ctx->DrawBuffer->Width, ctx->DrawBuffer->Height); + + _mesa_MatrixMode(GL_PROJECTION); + _mesa_PushMatrix(); + _mesa_LoadIdentity(); + _mesa_Ortho(0, ctx->DrawBuffer->Width, 0, ctx->DrawBuffer->Height, 1, -1); + + _mesa_MatrixMode(GL_MODELVIEW); + _mesa_PushMatrix(); + _mesa_LoadIdentity(); +} + +void +intel_meta_restore_transform(struct intel_context *intel) +{ + _mesa_MatrixMode(GL_PROJECTION); + _mesa_PopMatrix(); + _mesa_MatrixMode(GL_MODELVIEW); + _mesa_PopMatrix(); + + _mesa_Viewport(intel->meta.saved_vp_x, intel->meta.saved_vp_y, + intel->meta.saved_vp_width, intel->meta.saved_vp_height); +} + +/** + * Set up a vertex program to pass through the position and first texcoord + * for pixel path. + */ +void +intel_meta_set_passthrough_vertex_program(struct intel_context *intel) +{ + GLcontext *ctx = &intel->ctx; + static const char *vp = + "!!ARBvp1.0\n" + "TEMP vertexClip;\n" + "DP4 vertexClip.x, state.matrix.mvp.row[0], vertex.position;\n" + "DP4 vertexClip.y, state.matrix.mvp.row[1], vertex.position;\n" + "DP4 vertexClip.z, state.matrix.mvp.row[2], vertex.position;\n" + "DP4 vertexClip.w, state.matrix.mvp.row[3], vertex.position;\n" + "MOV result.position, vertexClip;\n" + "MOV result.texcoord[0], vertex.texcoord[0];\n" + "MOV result.color, vertex.color;\n" + "END\n"; + + assert(intel->meta.saved_vp == NULL); + + _mesa_reference_vertprog(ctx, &intel->meta.saved_vp, + ctx->VertexProgram.Current); + if (intel->meta.passthrough_vp == NULL) { + GLuint prog_name; + _mesa_GenPrograms(1, &prog_name); + _mesa_BindProgram(GL_VERTEX_PROGRAM_ARB, prog_name); + _mesa_ProgramStringARB(GL_VERTEX_PROGRAM_ARB, + GL_PROGRAM_FORMAT_ASCII_ARB, + strlen(vp), (const GLubyte *)vp); + _mesa_reference_vertprog(ctx, &intel->meta.passthrough_vp, + ctx->VertexProgram.Current); + _mesa_DeletePrograms(1, &prog_name); + } + + FLUSH_VERTICES(ctx, _NEW_PROGRAM); + _mesa_reference_vertprog(ctx, &ctx->VertexProgram.Current, + intel->meta.passthrough_vp); + ctx->Driver.BindProgram(ctx, GL_VERTEX_PROGRAM_ARB, + &intel->meta.passthrough_vp->Base); + + intel->meta.saved_vp_enable = ctx->VertexProgram.Enabled; + _mesa_Enable(GL_VERTEX_PROGRAM_ARB); +} + +/** + * Restores the previous vertex program after + * intel_meta_set_passthrough_vertex_program() + */ +void +intel_meta_restore_vertex_program(struct intel_context *intel) +{ + GLcontext *ctx = &intel->ctx; + + FLUSH_VERTICES(ctx, _NEW_PROGRAM); + _mesa_reference_vertprog(ctx, &ctx->VertexProgram.Current, + intel->meta.saved_vp); + _mesa_reference_vertprog(ctx, &intel->meta.saved_vp, NULL); + ctx->Driver.BindProgram(ctx, GL_VERTEX_PROGRAM_ARB, + &ctx->VertexProgram.Current->Base); + + if (!intel->meta.saved_vp_enable) + _mesa_Disable(GL_VERTEX_PROGRAM_ARB); +} + +/** + * Binds the given program string to GL_FRAGMENT_PROGRAM_ARB, caching the + * program object. + */ +void +intel_meta_set_fragment_program(struct intel_context *intel, + struct gl_fragment_program **prog, + const char *prog_string) +{ + GLcontext *ctx = &intel->ctx; + assert(intel->meta.saved_fp == NULL); + + _mesa_reference_fragprog(ctx, &intel->meta.saved_fp, + ctx->FragmentProgram.Current); + if (*prog == NULL) { + GLuint prog_name; + _mesa_GenPrograms(1, &prog_name); + _mesa_BindProgram(GL_FRAGMENT_PROGRAM_ARB, prog_name); + _mesa_ProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, + GL_PROGRAM_FORMAT_ASCII_ARB, + strlen(prog_string), (const GLubyte *)prog_string); + _mesa_reference_fragprog(ctx, prog, ctx->FragmentProgram.Current); + /* Note that DeletePrograms unbinds the program on us */ + _mesa_DeletePrograms(1, &prog_name); + } + + FLUSH_VERTICES(ctx, _NEW_PROGRAM); + _mesa_reference_fragprog(ctx, &ctx->FragmentProgram.Current, *prog); + ctx->Driver.BindProgram(ctx, GL_FRAGMENT_PROGRAM_ARB, &((*prog)->Base)); + + intel->meta.saved_fp_enable = ctx->FragmentProgram.Enabled; + _mesa_Enable(GL_FRAGMENT_PROGRAM_ARB); +} + +/** + * Restores the previous fragment program after + * intel_meta_set_fragment_program() + */ +void +intel_meta_restore_fragment_program(struct intel_context *intel) +{ + GLcontext *ctx = &intel->ctx; + + FLUSH_VERTICES(ctx, _NEW_PROGRAM); + _mesa_reference_fragprog(ctx, &ctx->FragmentProgram.Current, + intel->meta.saved_fp); + _mesa_reference_fragprog(ctx, &intel->meta.saved_fp, NULL); + ctx->Driver.BindProgram(ctx, GL_FRAGMENT_PROGRAM_ARB, + &ctx->FragmentProgram.Current->Base); + + if (!intel->meta.saved_fp_enable) + _mesa_Disable(GL_FRAGMENT_PROGRAM_ARB); +} void intelInitPixelFuncs(struct dd_function_table *functions) @@ -181,3 +339,13 @@ intelInitPixelFuncs(struct dd_function_table *functions) #endif } } + +void +intel_free_pixel_state(struct intel_context *intel) +{ + GLcontext *ctx = &intel->ctx; + + _mesa_reference_vertprog(ctx, &intel->meta.passthrough_vp, NULL); + _mesa_reference_fragprog(ctx, &intel->meta.bitmap_fp, NULL); +} + diff --git a/src/mesa/drivers/dri/intel/intel_pixel.h b/src/mesa/drivers/dri/intel/intel_pixel.h index 6fa6effe835..76b8781316b 100644 --- a/src/mesa/drivers/dri/intel/intel_pixel.h +++ b/src/mesa/drivers/dri/intel/intel_pixel.h @@ -31,6 +31,15 @@ #include "main/mtypes.h" void intelInitPixelFuncs(struct dd_function_table *functions); +void intel_meta_set_passthrough_transform(struct intel_context *intel); +void intel_meta_restore_transform(struct intel_context *intel); +void intel_meta_set_passthrough_vertex_program(struct intel_context *intel); +void intel_meta_restore_vertex_program(struct intel_context *intel); +void intel_meta_set_fragment_program(struct intel_context *intel, + struct gl_fragment_program **prog, + const char *prog_string); +void intel_meta_restore_fragment_program(struct intel_context *intel); +void intel_free_pixel_state(struct intel_context *intel); GLboolean intel_check_blit_fragment_ops(GLcontext * ctx, GLboolean src_alpha_is_one); diff --git a/src/mesa/drivers/dri/intel/intel_pixel_bitmap.c b/src/mesa/drivers/dri/intel/intel_pixel_bitmap.c index 5e0e0d29ca5..1d7f15f10a5 100644 --- a/src/mesa/drivers/dri/intel/intel_pixel_bitmap.c +++ b/src/mesa/drivers/dri/intel/intel_pixel_bitmap.c @@ -32,7 +32,18 @@ #include "main/mtypes.h" #include "main/macros.h" #include "main/bufferobj.h" +#include "main/pixelstore.h" #include "main/state.h" +#include "main/teximage.h" +#include "main/texenv.h" +#include "main/texobj.h" +#include "main/texstate.h" +#include "main/texparam.h" +#include "main/varray.h" +#include "main/attrib.h" +#include "main/enable.h" +#include "shader/arbprogram.h" +#include "glapi/dispatch.h" #include "swrast/swrast.h" #include "intel_screen.h" @@ -87,6 +98,11 @@ static GLboolean test_bit( const GLubyte *src, return (src[bit/8] & (1<<(bit % 8))) ? 1 : 0; } +static GLboolean test_msb_bit(const GLubyte *src, GLuint bit) +{ + return (src[bit/8] & (1<<(7 - (bit % 8)))) ? 1 : 0; +} + static void set_bit( GLubyte *dest, GLuint bit ) { @@ -317,9 +333,174 @@ out: return GL_TRUE; } +static GLboolean +intel_texture_bitmap(GLcontext * ctx, + GLint dst_x, GLint dst_y, + GLsizei width, GLsizei height, + const struct gl_pixelstore_attrib *unpack, + const GLubyte *bitmap) +{ + struct intel_context *intel = intel_context(ctx); + static const char *fp = + "!!ARBfp1.0\n" + "TEMP val;\n" + "PARAM color=program.local[0];\n" + "TEX val, fragment.texcoord[0], texture[0], 2D;\n" + "ADD val, val.wwww, {-.5, -.5, -.5, -.5};\n" + "KIL val;\n" + "MOV result.color, color;\n" + "END\n"; + GLuint texname; + GLfloat vertices[4][4]; + GLfloat texcoords[4][2]; + GLint old_active_texture; + GLubyte *unpacked_bitmap; + GLubyte *a8_bitmap; + int x, y; + + /* We need a fragment program for the KIL effect */ + if (!ctx->Extensions.ARB_fragment_program || + !ctx->Extensions.ARB_vertex_program) { + if (INTEL_DEBUG & DEBUG_FALLBACKS) + fprintf(stderr, + "glBitmap fallback: No fragment/vertex program support\n"); + return GL_FALSE; + } + + /* We're going to mess with texturing with no regard to existing texture + * state, so if there is some set up we have to bail. + */ + if (ctx->Texture._EnabledUnits != 0) { + if (INTEL_DEBUG & DEBUG_FALLBACKS) + fprintf(stderr, "glBitmap fallback: texturing enabled\n"); + return GL_FALSE; + } + + /* Can't do textured DrawPixels with a fragment program, unless we were + * to generate a new program that sampled our texture and put the results + * in the fragment color before the user's program started. + */ + if (ctx->FragmentProgram.Enabled) { + if (INTEL_DEBUG & DEBUG_FALLBACKS) + fprintf(stderr, "glBitmap fallback: fragment program enabled\n"); + return GL_FALSE; + } + + if (ctx->VertexProgram.Enabled) { + if (INTEL_DEBUG & DEBUG_FALLBACKS) + fprintf(stderr, "glBitmap fallback: vertex program enabled\n"); + return GL_FALSE; + } + + /* Check that we can load in a texture this big. */ + if (width > (1 << (ctx->Const.MaxTextureLevels - 1)) || + height > (1 << (ctx->Const.MaxTextureLevels - 1))) { + if (INTEL_DEBUG & DEBUG_FALLBACKS) + fprintf(stderr, "glBitmap fallback: bitmap too large (%dx%d)\n", + width, height); + return GL_FALSE; + } + /* Convert the A1 bitmap to an A8 format suitable for glTexImage */ + if (unpack->BufferObj->Name) { + bitmap = map_pbo(ctx, width, height, unpack, bitmap); + if (bitmap == NULL) + return GL_TRUE; /* even though this is an error, we're done */ + } + unpacked_bitmap = _mesa_unpack_bitmap(width, height, bitmap, + unpack); + a8_bitmap = _mesa_calloc(width * height); + for (y = 0; y < height; y++) { + for (x = 0; x < width; x++) { + if (test_msb_bit(unpacked_bitmap, ALIGN(width, 8) * y + x)) + a8_bitmap[y * width + x] = 0xff; + } + } + _mesa_free(unpacked_bitmap); + if (unpack->BufferObj->Name) { + /* done with PBO so unmap it now */ + ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT, + unpack->BufferObj); + } + /* Save GL state before we start setting up our drawing */ + _mesa_PushAttrib(GL_ENABLE_BIT | GL_CURRENT_BIT | + GL_VIEWPORT_BIT); + _mesa_PushClientAttrib(GL_CLIENT_VERTEX_ARRAY_BIT | + GL_CLIENT_PIXEL_STORE_BIT); + old_active_texture = ctx->Texture.CurrentUnit; + + _mesa_Disable(GL_POLYGON_STIPPLE); + + /* Upload our bitmap data to an alpha texture */ + _mesa_ActiveTextureARB(GL_TEXTURE0_ARB); + _mesa_Enable(GL_TEXTURE_2D); + _mesa_GenTextures(1, &texname); + _mesa_BindTexture(GL_TEXTURE_2D, texname); + _mesa_TexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + _mesa_TexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + + _mesa_PixelStorei(GL_UNPACK_SWAP_BYTES, GL_FALSE); + _mesa_PixelStorei(GL_UNPACK_LSB_FIRST, GL_FALSE); + _mesa_PixelStorei(GL_UNPACK_ROW_LENGTH, 0); + _mesa_PixelStorei(GL_UNPACK_SKIP_PIXELS, 0); + _mesa_PixelStorei(GL_UNPACK_SKIP_ROWS, 0); + _mesa_PixelStorei(GL_UNPACK_ALIGNMENT, 1); + _mesa_TexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, width, height, 0, + GL_ALPHA, GL_UNSIGNED_BYTE, a8_bitmap); + _mesa_free(a8_bitmap); + + intel_meta_set_fragment_program(intel, &intel->meta.bitmap_fp, fp); + _mesa_ProgramLocalParameter4fvARB(GL_FRAGMENT_PROGRAM_ARB, 0, + ctx->Current.RasterColor); + intel_meta_set_passthrough_vertex_program(intel); + intel_meta_set_passthrough_transform(intel); + + vertices[0][0] = dst_x; + vertices[0][1] = dst_y; + vertices[0][2] = ctx->Current.RasterPos[2]; + vertices[0][3] = 1.0; + vertices[1][0] = dst_x + width; + vertices[1][1] = dst_y; + vertices[1][2] = ctx->Current.RasterPos[2]; + vertices[1][3] = 1.0; + vertices[2][0] = dst_x + width; + vertices[2][1] = dst_y + height; + vertices[2][2] = ctx->Current.RasterPos[2]; + vertices[2][3] = 1.0; + vertices[3][0] = dst_x; + vertices[3][1] = dst_y + height; + vertices[3][2] = ctx->Current.RasterPos[2]; + vertices[3][3] = 1.0; + + texcoords[0][0] = 0.0; + texcoords[0][1] = 0.0; + texcoords[1][0] = 1.0; + texcoords[1][1] = 0.0; + texcoords[2][0] = 1.0; + texcoords[2][1] = 1.0; + texcoords[3][0] = 0.0; + texcoords[3][1] = 1.0; + + _mesa_VertexPointer(4, GL_FLOAT, 4 * sizeof(GLfloat), &vertices); + _mesa_TexCoordPointer(2, GL_FLOAT, 2 * sizeof(GLfloat), &texcoords); + _mesa_Enable(GL_VERTEX_ARRAY); + _mesa_Enable(GL_TEXTURE_COORD_ARRAY); + CALL_DrawArrays(ctx->Exec, (GL_TRIANGLE_FAN, 0, 4)); + + intel_meta_restore_transform(intel); + intel_meta_restore_fragment_program(intel); + intel_meta_restore_vertex_program(intel); + + _mesa_PopClientAttrib(); + _mesa_Disable(GL_TEXTURE_2D); /* asserted that it was disabled at entry */ + _mesa_ActiveTextureARB(GL_TEXTURE0_ARB + old_active_texture); + _mesa_PopAttrib(); + + _mesa_DeleteTextures(1, &texname); + return GL_TRUE; +} /* There are a large number of possible ways to implement bitmap on * this hardware, most of them have some sort of drawback. Here are a @@ -352,6 +533,10 @@ intelBitmap(GLcontext * ctx, unpack, pixels)) return; + if (intel_texture_bitmap(ctx, x, y, width, height, + unpack, pixels)) + return; + if (INTEL_DEBUG & DEBUG_PIXEL) _mesa_printf("%s: fallback to swrast\n", __FUNCTION__); diff --git a/src/mesa/drivers/dri/intel/intel_pixel_draw.c b/src/mesa/drivers/dri/intel/intel_pixel_draw.c index 8ebbc95a1d0..0d66935ad27 100644 --- a/src/mesa/drivers/dri/intel/intel_pixel_draw.c +++ b/src/mesa/drivers/dri/intel/intel_pixel_draw.c @@ -36,7 +36,6 @@ #include "main/texobj.h" #include "main/texstate.h" #include "main/texparam.h" -#include "main/matrix.h" #include "main/varray.h" #include "main/attrib.h" #include "main/enable.h" @@ -68,6 +67,7 @@ intel_texture_drawpixels(GLcontext * ctx, const struct gl_pixelstore_attrib *unpack, const GLvoid *pixels) { + struct intel_context *intel = intel_context(ctx); GLuint texname; GLfloat vertices[4][4]; GLfloat texcoords[4][2]; @@ -117,7 +117,7 @@ intel_texture_drawpixels(GLcontext * ctx, return GL_FALSE; } - _mesa_PushAttrib(GL_ENABLE_BIT | GL_TRANSFORM_BIT | GL_TEXTURE_BIT | + _mesa_PushAttrib(GL_ENABLE_BIT | GL_TEXTURE_BIT | GL_CURRENT_BIT); _mesa_PushClientAttrib(GL_CLIENT_VERTEX_ARRAY_BIT); @@ -138,14 +138,7 @@ intel_texture_drawpixels(GLcontext * ctx, _mesa_TexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, format, type, pixels); - _mesa_MatrixMode(GL_PROJECTION); - _mesa_PushMatrix(); - _mesa_LoadIdentity(); - _mesa_Ortho(0, ctx->DrawBuffer->Width, 0, ctx->DrawBuffer->Height, 1, -1); - - _mesa_MatrixMode(GL_MODELVIEW); - _mesa_PushMatrix(); - _mesa_LoadIdentity(); + intel_meta_set_passthrough_transform(intel); /* Create the vertex buffer based on the current raster pos. The x and y * we're handed are ctx->Current.RasterPos[0,1] rounded to integers. @@ -184,10 +177,7 @@ intel_texture_drawpixels(GLcontext * ctx, _mesa_Enable(GL_TEXTURE_COORD_ARRAY); CALL_DrawArrays(ctx->Exec, (GL_TRIANGLE_FAN, 0, 4)); - _mesa_MatrixMode(GL_PROJECTION); - _mesa_PopMatrix(); - _mesa_MatrixMode(GL_MODELVIEW); - _mesa_PopMatrix(); + intel_meta_restore_transform(intel); _mesa_PopClientAttrib(); _mesa_PopAttrib(); @@ -205,6 +195,7 @@ intel_stencil_drawpixels(GLcontext * ctx, const struct gl_pixelstore_attrib *unpack, const GLvoid *pixels) { + struct intel_context *intel = intel_context(ctx); GLuint texname, rb_name, fb_name, old_fb_name; GLfloat vertices[4][2]; GLfloat texcoords[4][2]; @@ -267,7 +258,7 @@ intel_stencil_drawpixels(GLcontext * ctx, return GL_FALSE; } - _mesa_PushAttrib(GL_ENABLE_BIT | GL_TRANSFORM_BIT | GL_TEXTURE_BIT | + _mesa_PushAttrib(GL_ENABLE_BIT | GL_TEXTURE_BIT | GL_CURRENT_BIT | GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); _mesa_PushClientAttrib(GL_CLIENT_VERTEX_ARRAY_BIT); old_fb_name = ctx->DrawBuffer->Name; @@ -335,14 +326,7 @@ intel_stencil_drawpixels(GLcontext * ctx, ctx->Unpack = old_unpack; _mesa_free(stencil_pixels); - _mesa_MatrixMode(GL_PROJECTION); - _mesa_PushMatrix(); - _mesa_LoadIdentity(); - _mesa_Ortho(0, ctx->DrawBuffer->Width, 0, ctx->DrawBuffer->Height, 1, -1); - - _mesa_MatrixMode(GL_MODELVIEW); - _mesa_PushMatrix(); - _mesa_LoadIdentity(); + intel_meta_set_passthrough_transform(intel); vertices[0][0] = x; vertices[0][1] = y; @@ -368,12 +352,10 @@ intel_stencil_drawpixels(GLcontext * ctx, _mesa_Enable(GL_TEXTURE_COORD_ARRAY); CALL_DrawArrays(ctx->Exec, (GL_TRIANGLE_FAN, 0, 4)); + intel_meta_restore_transform(intel); + _mesa_BindFramebufferEXT(GL_FRAMEBUFFER_EXT, old_fb_name); - _mesa_MatrixMode(GL_PROJECTION); - _mesa_PopMatrix(); - _mesa_MatrixMode(GL_MODELVIEW); - _mesa_PopMatrix(); _mesa_PopClientAttrib(); _mesa_PopAttrib(); diff --git a/src/mesa/main/arrayobj.c b/src/mesa/main/arrayobj.c index 14612393176..f3f482f8c87 100644 --- a/src/mesa/main/arrayobj.c +++ b/src/mesa/main/arrayobj.c @@ -142,7 +142,7 @@ _mesa_initialize_array_object( GLcontext *ctx, obj->Index.StrideB = 0; obj->Index.Ptr = NULL; obj->Index.Enabled = GL_FALSE; - for (i = 0; i < MAX_TEXTURE_UNITS; i++) { + for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++) { obj->TexCoord[i].Size = 4; obj->TexCoord[i].Type = GL_FLOAT; obj->TexCoord[i].Stride = 0; @@ -181,7 +181,7 @@ _mesa_initialize_array_object( GLcontext *ctx, obj->SecondaryColor.BufferObj = ctx->Array.NullBufferObj; obj->FogCoord.BufferObj = ctx->Array.NullBufferObj; obj->Index.BufferObj = ctx->Array.NullBufferObj; - for (i = 0; i < MAX_TEXTURE_UNITS; i++) { + for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++) { obj->TexCoord[i].BufferObj = ctx->Array.NullBufferObj; } obj->EdgeFlag.BufferObj = ctx->Array.NullBufferObj; @@ -335,7 +335,7 @@ _mesa_DeleteVertexArraysAPPLE(GLsizei n, const GLuint *ids) unbind_buffer_object( ctx, obj->SecondaryColor.BufferObj ); unbind_buffer_object( ctx, obj->FogCoord.BufferObj ); unbind_buffer_object( ctx, obj->Index.BufferObj ); - for (i = 0; i < MAX_TEXTURE_UNITS; i++) { + for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++) { unbind_buffer_object( ctx, obj->TexCoord[i].BufferObj ); } unbind_buffer_object( ctx, obj->EdgeFlag.BufferObj ); diff --git a/src/mesa/main/attrib.c b/src/mesa/main/attrib.c index dc85da2518f..825c841ee21 100644 --- a/src/mesa/main/attrib.c +++ b/src/mesa/main/attrib.c @@ -1,8 +1,9 @@ /* * Mesa 3-D graphics library - * Version: 7.2 + * Version: 7.3 * * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. + * Copyright (C) 2009 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"), @@ -224,7 +225,7 @@ _mesa_PushAttrib(GLbitfield mask) attr->SampleAlphaToOne = ctx->Multisample.SampleAlphaToOne; attr->SampleCoverage = ctx->Multisample.SampleCoverage; attr->SampleCoverageInvert = ctx->Multisample.SampleCoverageInvert; - for (i=0; i<MAX_TEXTURE_UNITS; i++) { + for (i = 0; i < ctx->Const.MaxTextureUnits; i++) { attr->Texture[i] = ctx->Texture.Unit[i].Enabled; attr->TexGen[i] = ctx->Texture.Unit[i].TexGenEnabled; attr->TextureColorTable[i] = ctx->Texture.Unit[i].ColorTableEnabled; diff --git a/src/mesa/main/bufferobj.c b/src/mesa/main/bufferobj.c index 190e6ab5641..016543da01f 100644 --- a/src/mesa/main/bufferobj.c +++ b/src/mesa/main/bufferobj.c @@ -808,7 +808,7 @@ _mesa_DeleteBuffersARB(GLsizei n, const GLuint *ids) unbind(ctx, &ctx->Array.ArrayObj->FogCoord.BufferObj, bufObj); unbind(ctx, &ctx->Array.ArrayObj->Index.BufferObj, bufObj); unbind(ctx, &ctx->Array.ArrayObj->EdgeFlag.BufferObj, bufObj); - for (j = 0; j < MAX_TEXTURE_UNITS; j++) { + for (j = 0; j < MAX_TEXTURE_COORD_UNITS; j++) { unbind(ctx, &ctx->Array.ArrayObj->TexCoord[j].BufferObj, bufObj); } for (j = 0; j < VERT_ATTRIB_MAX; j++) { diff --git a/src/mesa/main/config.h b/src/mesa/main/config.h index ec7e156ebd8..c3feffda986 100644 --- a/src/mesa/main/config.h +++ b/src/mesa/main/config.h @@ -1,13 +1,9 @@ -/** - * \file config.h - * Tunable configuration parameters. - */ - /* * Mesa 3-D graphics library - * Version: 7.1 + * Version: 7.3 * * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. + * Copyright (C) 2008 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"), @@ -27,6 +23,10 @@ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/** + * \file config.h + * Tunable configuration parameters. + */ #ifndef MESA_CONFIG_H_INCLUDED #define MESA_CONFIG_H_INCLUDED @@ -115,27 +115,28 @@ /** Maximum number of layers in a 1D or 2D array texture - GL_MESA_texture_array */ #define MAX_ARRAY_TEXTURE_LAYERS 64 -/** Number of texture units - GL_ARB_multitexture - * This needs to be the larger of MAX_TEXTURE_COORD_UNITS and - * MAX_TEXTURE_IMAGE_UNITS seen below, since MAX_TEXTURE_UNITS is used - * to dimension some arrays that store both coord and image data. -*/ -#define MAX_TEXTURE_UNITS 8 - -/*@}*/ +/** + * Max number of texture coordinate units. This mainly just applies to + * the fixed-function vertex code. This will be difficult to raise above + * eight because of various vertex attribute bitvectors. + */ +#define MAX_TEXTURE_COORD_UNITS 8 +/** + * Max number of texture image units. Also determines number of texture + * samplers in shaders. + */ +#define MAX_TEXTURE_IMAGE_UNITS 16 /** - * \name Separate numbers of texture coordinates and texture image units. - * - * These values will eventually replace most instances of MAX_TEXTURE_UNITS. - * We should always have MAX_TEXTURE_COORD_UNITS <= MAX_TEXTURE_IMAGE_UNITS. - * And, GL_MAX_TEXTURE_UNITS <= MAX_TEXTURE_COORD_UNITS. + * Larger of MAX_TEXTURE_COORD_UNITS and MAX_TEXTURE_IMAGE_UNITS. + * This value is only used for dimensioning arrays. + * Either MAX_TEXTURE_COORD_UNITS or MAX_TEXTURE_IMAGE_UNITS (or the + * corresponding ctx->Const.MaxTextureCoord/ImageUnits fields) should be + * used almost everywhere else. */ -/*@{*/ -#define MAX_TEXTURE_COORD_UNITS 8 -#define MAX_TEXTURE_IMAGE_UNITS 8 -/*@}*/ +#define MAX_TEXTURE_UNITS ((MAX_TEXTURE_COORD_UNITS > MAX_TEXTURE_IMAGE_UNITS) ? MAX_TEXTURE_COORD_UNITS : MAX_TEXTURE_IMAGE_UNITS) + /** * Maximum viewport/image width. Must accomodate all texture sizes too. @@ -190,7 +191,7 @@ #define MAX_PROGRAM_ADDRESS_REGS 2 #define MAX_UNIFORMS 256 /**< number of vec4 uniforms */ #define MAX_VARYING 8 /**< number of float[4] vectors */ -#define MAX_SAMPLERS 8 +#define MAX_SAMPLERS MAX_TEXTURE_IMAGE_UNITS #define MAX_PROGRAM_INPUTS 32 #define MAX_PROGRAM_OUTPUTS 32 /*@}*/ @@ -218,8 +219,8 @@ /** For GL_ARB_vertex_shader */ /*@{*/ #define MAX_VERTEX_ATTRIBS 16 -#define MAX_VERTEX_TEXTURE_IMAGE_UNITS MAX_TEXTURE_UNITS -#define MAX_COMBINED_TEXTURE_IMAGE_UNITS (MAX_TEXTURE_IMAGE_UNITS + MAX_VERTEX_TEXTURE_IMAGE_UNITS) +#define MAX_VERTEX_TEXTURE_IMAGE_UNITS MAX_TEXTURE_IMAGE_UNITS +#define MAX_COMBINED_TEXTURE_IMAGE_UNITS MAX_TEXTURE_IMAGE_UNITS /*@}*/ diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c index 61c0861cbd4..ea52b26f0f7 100644 --- a/src/mesa/main/context.c +++ b/src/mesa/main/context.c @@ -1,14 +1,9 @@ -/** - * \file context.c - * Mesa context/visual/framebuffer management functions. - * \author Brian Paul - */ - /* * Mesa 3-D graphics library - * Version: 7.1 + * Version: 7.3 * * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. + * Copyright (C) 2008 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"), @@ -28,6 +23,11 @@ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/** + * \file context.c + * Mesa context/visual/framebuffer management functions. + * \author Brian Paul + */ /** * \mainpage Mesa Main Module @@ -870,9 +870,6 @@ _mesa_init_constants(GLcontext *ctx) assert(MAX_TEXTURE_LEVELS >= MAX_3D_TEXTURE_LEVELS); assert(MAX_TEXTURE_LEVELS >= MAX_CUBE_TEXTURE_LEVELS); - assert(MAX_TEXTURE_UNITS >= MAX_TEXTURE_COORD_UNITS); - assert(MAX_TEXTURE_UNITS >= MAX_TEXTURE_IMAGE_UNITS); - /* Constants, may be overriden (usually only reduced) by device drivers */ ctx->Const.MaxTextureLevels = MAX_TEXTURE_LEVELS; ctx->Const.Max3DTextureLevels = MAX_3D_TEXTURE_LEVELS; @@ -963,6 +960,9 @@ check_context_limits(GLcontext *ctx) assert(ctx->Const.MaxTextureUnits <= MAX_TEXTURE_IMAGE_UNITS); assert(ctx->Const.MaxTextureUnits <= MAX_TEXTURE_COORD_UNITS); + /* number of coord units cannot be greater than number of image units */ + assert(ctx->Const.MaxTextureCoordUnits <= ctx->Const.MaxTextureImageUnits); + assert(ctx->Const.MaxViewportWidth <= MAX_WIDTH); assert(ctx->Const.MaxViewportHeight <= MAX_WIDTH); diff --git a/src/mesa/main/enable.c b/src/mesa/main/enable.c index 248df1badca..72ed50808c5 100644 --- a/src/mesa/main/enable.c +++ b/src/mesa/main/enable.c @@ -201,6 +201,26 @@ _mesa_DisableClientState( GLenum cap ) } + +/** + * Return pointer to current texture unit for setting/getting coordinate + * state. + * Note that we'll set GL_INVALID_OPERATION if the active texture unit is + * higher than the number of supported coordinate units. And we'll return NULL. + */ +static struct gl_texture_unit * +get_texcoord_unit(GLcontext *ctx) +{ + if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureCoordUnits) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glEnable/Disable(texcoord unit)"); + return NULL; + } + else { + return &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + } +} + + /** * Helper function to enable or disable a texture target. */ @@ -612,54 +632,62 @@ _mesa_set_enable(GLcontext *ctx, GLenum cap, GLboolean state) return; } break; - case GL_TEXTURE_GEN_Q: { - GLuint unit = ctx->Texture.CurrentUnit; - struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; - GLuint newenabled = texUnit->TexGenEnabled & ~Q_BIT; - if (state) - newenabled |= Q_BIT; - if (texUnit->TexGenEnabled == newenabled) - return; - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texUnit->TexGenEnabled = newenabled; + case GL_TEXTURE_GEN_Q: + { + struct gl_texture_unit *texUnit = get_texcoord_unit(ctx); + if (texUnit) { + GLuint newenabled = texUnit->TexGenEnabled & ~Q_BIT; + if (state) + newenabled |= Q_BIT; + if (texUnit->TexGenEnabled == newenabled) + return; + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texUnit->TexGenEnabled = newenabled; + } + } break; - } - case GL_TEXTURE_GEN_R: { - GLuint unit = ctx->Texture.CurrentUnit; - struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; - GLuint newenabled = texUnit->TexGenEnabled & ~R_BIT; - if (state) - newenabled |= R_BIT; - if (texUnit->TexGenEnabled == newenabled) - return; - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texUnit->TexGenEnabled = newenabled; + case GL_TEXTURE_GEN_R: + { + struct gl_texture_unit *texUnit = get_texcoord_unit(ctx); + if (texUnit) { + GLuint newenabled = texUnit->TexGenEnabled & ~R_BIT; + if (state) + newenabled |= R_BIT; + if (texUnit->TexGenEnabled == newenabled) + return; + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texUnit->TexGenEnabled = newenabled; + } + } break; - } - case GL_TEXTURE_GEN_S: { - GLuint unit = ctx->Texture.CurrentUnit; - struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; - GLuint newenabled = texUnit->TexGenEnabled & ~S_BIT; - if (state) - newenabled |= S_BIT; - if (texUnit->TexGenEnabled == newenabled) - return; - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texUnit->TexGenEnabled = newenabled; + case GL_TEXTURE_GEN_S: + { + struct gl_texture_unit *texUnit = get_texcoord_unit(ctx); + if (texUnit) { + GLuint newenabled = texUnit->TexGenEnabled & ~S_BIT; + if (state) + newenabled |= S_BIT; + if (texUnit->TexGenEnabled == newenabled) + return; + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texUnit->TexGenEnabled = newenabled; + } + } break; - } - case GL_TEXTURE_GEN_T: { - GLuint unit = ctx->Texture.CurrentUnit; - struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; - GLuint newenabled = texUnit->TexGenEnabled & ~T_BIT; - if (state) - newenabled |= T_BIT; - if (texUnit->TexGenEnabled == newenabled) - return; - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texUnit->TexGenEnabled = newenabled; + case GL_TEXTURE_GEN_T: + { + struct gl_texture_unit *texUnit = get_texcoord_unit(ctx); + if (texUnit) { + GLuint newenabled = texUnit->TexGenEnabled & ~T_BIT; + if (state) + newenabled |= T_BIT; + if (texUnit->TexGenEnabled == newenabled) + return; + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texUnit->TexGenEnabled = newenabled; + } + } break; - } /* * CLIENT STATE!!! @@ -1155,28 +1183,36 @@ _mesa_IsEnabled( GLenum cap ) return is_texture_enabled(ctx, TEXTURE_3D_BIT); case GL_TEXTURE_GEN_Q: { - const struct gl_texture_unit *texUnit; - texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; - return (texUnit->TexGenEnabled & Q_BIT) ? GL_TRUE : GL_FALSE; + const struct gl_texture_unit *texUnit = get_texcoord_unit(ctx); + if (texUnit) { + return (texUnit->TexGenEnabled & Q_BIT) ? GL_TRUE : GL_FALSE; + } } + return GL_FALSE; case GL_TEXTURE_GEN_R: { - const struct gl_texture_unit *texUnit; - texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; - return (texUnit->TexGenEnabled & R_BIT) ? GL_TRUE : GL_FALSE; + const struct gl_texture_unit *texUnit = get_texcoord_unit(ctx); + if (texUnit) { + return (texUnit->TexGenEnabled & R_BIT) ? GL_TRUE : GL_FALSE; + } } + return GL_FALSE; case GL_TEXTURE_GEN_S: { - const struct gl_texture_unit *texUnit; - texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; - return (texUnit->TexGenEnabled & S_BIT) ? GL_TRUE : GL_FALSE; + const struct gl_texture_unit *texUnit = get_texcoord_unit(ctx); + if (texUnit) { + return (texUnit->TexGenEnabled & S_BIT) ? GL_TRUE : GL_FALSE; + } } + return GL_FALSE; case GL_TEXTURE_GEN_T: { - const struct gl_texture_unit *texUnit; - texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; - return (texUnit->TexGenEnabled & T_BIT) ? GL_TRUE : GL_FALSE; + const struct gl_texture_unit *texUnit = get_texcoord_unit(ctx); + if (texUnit) { + return (texUnit->TexGenEnabled & T_BIT) ? GL_TRUE : GL_FALSE; + } } + return GL_FALSE; /* * CLIENT STATE!!! diff --git a/src/mesa/main/ffvertex_prog.c b/src/mesa/main/ffvertex_prog.c index ec0a5e3896d..d70b78f2586 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 @@ -101,6 +101,7 @@ static GLuint translate_fog_mode( GLenum mode ) } } + #define TXG_NONE 0 #define TXG_OBJ_LINEAR 1 #define TXG_EYE_LINEAR 2 @@ -145,6 +146,7 @@ tnl_get_per_vertex_materials(GLcontext *ctx) return mask; } + /** * Should fog be computed per-vertex? */ @@ -159,6 +161,7 @@ tnl_get_per_vertex_fog(GLcontext *ctx) #endif } + static GLboolean check_active_shininess( GLcontext *ctx, const struct state_key *key, GLuint side ) @@ -176,8 +179,6 @@ static GLboolean check_active_shininess( GLcontext *ctx, return GL_FALSE; } - - static void make_state_key( GLcontext *ctx, struct state_key *key ) @@ -278,7 +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) @@ -410,11 +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 ); @@ -430,6 +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 ); @@ -437,6 +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) { @@ -493,6 +498,7 @@ static struct ureg register_input( struct tnl_program *p, GLuint input ) } } + /** * \param input one of VERT_RESULT_x tokens. */ @@ -502,6 +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, @@ -531,6 +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)) @@ -571,6 +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 ) { @@ -586,6 +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 ) { @@ -696,6 +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. @@ -721,6 +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, @@ -748,6 +760,7 @@ static void emit_normalize_vec3( struct tnl_program *p, #endif } + static void emit_passthrough( struct tnl_program *p, GLuint input, GLuint output ) @@ -756,6 +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)) { @@ -803,7 +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)) { @@ -865,7 +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 ); @@ -891,7 +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 ) { @@ -927,7 +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. * @@ -970,6 +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, @@ -1226,7 +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; @@ -1247,7 +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); @@ -1320,7 +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); @@ -1395,6 +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, @@ -1414,6 +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 ) @@ -1461,7 +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; @@ -1524,10 +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); } @@ -1610,6 +1624,7 @@ static void build_atten_pointsize( struct tnl_program *p ) release_temp(p, ut); } + /** * Emit constant point size. */ @@ -1620,6 +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. */ diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h index 2a48b7c5179..a17bf9c7b0c 100644 --- a/src/mesa/main/mtypes.h +++ b/src/mesa/main/mtypes.h @@ -1,15 +1,9 @@ -/** - * \file mtypes.h - * Main Mesa data structures. - * - * Please try to mark derived values with a leading underscore ('_'). - */ - /* * Mesa 3-D graphics library * Version: 7.3 * * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. + * Copyright (C) 1999-2008 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"), @@ -29,7 +23,12 @@ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ - +/** + * \file mtypes.h + * Main Mesa data structures. + * + * Please try to mark derived values with a leading underscore ('_'). + */ #ifndef TYPES_H #define TYPES_H @@ -641,7 +640,7 @@ struct gl_current_attrib GLfloat RasterColor[4]; GLfloat RasterSecondaryColor[4]; GLfloat RasterIndex; - GLfloat RasterTexCoords[MAX_TEXTURE_COORD_UNITS][4]; + GLfloat RasterTexCoords[MAX_TEXTURE_UNITS][4]; GLboolean RasterPosValid; /*@}*/ }; @@ -725,10 +724,10 @@ struct gl_enable_attrib GLboolean SampleCoverage; /* GL_ARB_multisample */ GLboolean SampleCoverageInvert; /* GL_ARB_multisample */ GLboolean RasterPositionUnclipped; /* GL_IBM_rasterpos_clip */ - GLuint Texture[MAX_TEXTURE_IMAGE_UNITS]; - GLuint TexGen[MAX_TEXTURE_COORD_UNITS]; + GLuint Texture[MAX_TEXTURE_UNITS]; + GLuint TexGen[MAX_TEXTURE_UNITS]; /* SGI_texture_color_table */ - GLboolean TextureColorTable[MAX_TEXTURE_IMAGE_UNITS]; + GLboolean TextureColorTable[MAX_TEXTURE_UNITS]; /* GL_ARB_vertex_program / GL_NV_vertex_program */ GLboolean VertexProgram; GLboolean VertexProgramPointSize; @@ -1071,7 +1070,7 @@ struct gl_point_attrib GLfloat Threshold; /**< GL_EXT_point_parameters */ GLboolean _Attenuated; /**< True if Params != [1, 0, 0] */ GLboolean PointSprite; /**< GL_NV/ARB_point_sprite */ - GLboolean CoordReplace[MAX_TEXTURE_COORD_UNITS]; /**< GL_ARB_point_sprite */ + GLboolean CoordReplace[MAX_TEXTURE_UNITS]; /**< GL_ARB_point_sprite */ GLenum SpriteRMode; /**< GL_NV_point_sprite (only!) */ GLenum SpriteOrigin; /**< GL_ARB_point_sprite */ }; @@ -1559,7 +1558,7 @@ struct gl_texture_attrib * name multitexture */ /**@{*/ - GLuint CurrentUnit; /**< Active texture unit */ + GLuint CurrentUnit; /**< Active texture unit [0, MaxTextureImageUnits-1] */ GLbitfield _EnabledUnits; /**< one bit set for each really-enabled unit */ GLbitfield _EnabledCoordUnits; /**< one bit per enabled coordinate unit */ GLbitfield _GenFlags; /**< for texgen */ @@ -1876,7 +1875,7 @@ struct gl_program GLbitfield OutputsWritten; /**< Bitmask of which output regs are written to */ GLbitfield InputFlags[MAX_PROGRAM_INPUTS]; /**< PROG_PARAM_BIT_x flags */ GLbitfield OutputFlags[MAX_PROGRAM_OUTPUTS]; /**< PROG_PARAM_BIT_x flags */ - GLbitfield TexturesUsed[MAX_TEXTURE_IMAGE_UNITS]; /**< TEXTURE_x_BIT bitmask */ + GLbitfield TexturesUsed[MAX_TEXTURE_UNITS]; /**< TEXTURE_x_BIT bitmask */ GLbitfield SamplersUsed; /**< Bitfield of which samplers are used */ GLbitfield ShadowSamplers; /**< Texture units used for shadow sampling. */ @@ -2473,9 +2472,9 @@ struct gl_constants GLint MaxTextureRectSize; /* GL_NV_texture_rectangle */ GLuint MaxTextureCoordUnits; GLuint MaxTextureImageUnits; - GLuint MaxTextureUnits; /* = MIN(CoordUnits, ImageUnits) */ - GLfloat MaxTextureMaxAnisotropy; /* GL_EXT_texture_filter_anisotropic */ - GLfloat MaxTextureLodBias; /* GL_EXT_texture_lod_bias */ + GLuint MaxTextureUnits; /**< = MIN(CoordUnits, ImageUnits) */ + GLfloat MaxTextureMaxAnisotropy; /**< GL_EXT_texture_filter_anisotropic */ + GLfloat MaxTextureLodBias; /**< GL_EXT_texture_lod_bias */ GLuint MaxArrayLockSize; GLint SubPixelBits; GLfloat MinPointSize, MaxPointSize; /* aliased */ @@ -2951,7 +2950,7 @@ struct __GLcontextRec struct gl_matrix_stack ModelviewMatrixStack; struct gl_matrix_stack ProjectionMatrixStack; struct gl_matrix_stack ColorMatrixStack; - struct gl_matrix_stack TextureMatrixStack[MAX_TEXTURE_COORD_UNITS]; + struct gl_matrix_stack TextureMatrixStack[MAX_TEXTURE_UNITS]; struct gl_matrix_stack ProgramMatrixStack[MAX_PROGRAM_MATRICES]; struct gl_matrix_stack *CurrentStack; /**< Points to one of the above stacks */ /*@}*/ diff --git a/src/mesa/main/points.c b/src/mesa/main/points.c index 1fe697033f1..4c8fc1f72e0 100644 --- a/src/mesa/main/points.c +++ b/src/mesa/main/points.c @@ -257,7 +257,7 @@ _mesa_init_point(GLcontext *ctx) ctx->Point.PointSprite = GL_FALSE; /* GL_ARB/NV_point_sprite */ ctx->Point.SpriteRMode = GL_ZERO; /* GL_NV_point_sprite (only!) */ ctx->Point.SpriteOrigin = GL_UPPER_LEFT; /* GL_ARB_point_sprite */ - for (i = 0; i < MAX_TEXTURE_UNITS; i++) { + for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++) { ctx->Point.CoordReplace[i] = GL_FALSE; /* GL_ARB/NV_point_sprite */ } } diff --git a/src/mesa/main/rastpos.c b/src/mesa/main/rastpos.c index 9842172f460..9f309d6ab84 100644 --- a/src/mesa/main/rastpos.c +++ b/src/mesa/main/rastpos.c @@ -500,7 +500,7 @@ void _mesa_init_rastpos( GLcontext * ctx ) ASSIGN_4V( ctx->Current.RasterColor, 1.0, 1.0, 1.0, 1.0 ); ASSIGN_4V( ctx->Current.RasterSecondaryColor, 0.0, 0.0, 0.0, 1.0 ); ctx->Current.RasterIndex = 1.0; - for (i=0; i<MAX_TEXTURE_UNITS; i++) + for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++) ASSIGN_4V( ctx->Current.RasterTexCoords[i], 0.0, 0.0, 0.0, 1.0 ); ctx->Current.RasterPosValid = GL_TRUE; } diff --git a/src/mesa/main/texenvprogram.c b/src/mesa/main/texenvprogram.c index bd33cb4e055..48abf51d890 100644 --- a/src/mesa/main/texenvprogram.c +++ b/src/mesa/main/texenvprogram.c @@ -38,6 +38,21 @@ #include "texenvprogram.h" +/* + * Note on texture units: + * + * The number of texture units supported by fixed-function fragment + * processing is MAX_TEXTURE_COORD_UNITS, not MAX_TEXTURE_IMAGE_UNITS. + * That's because there's a one-to-one correspondence between texture + * coordinates and samplers in fixed-function processing. + * + * Since fixed-function vertex processing is limited to MAX_TEXTURE_COORD_UNITS + * sets of texcoords, so is fixed-function fragment processing. + * + * We can safely use ctx->Const.MaxTextureUnits for loop bounds. + */ + + struct texenvprog_cache_item { GLuint hash; @@ -50,7 +65,7 @@ struct texenvprog_cache_item /** * Up to nine instructions per tex unit, plus fog, specular color. */ -#define MAX_INSTRUCTIONS ((MAX_TEXTURE_UNITS * 9) + 12) +#define MAX_INSTRUCTIONS ((MAX_TEXTURE_COORD_UNITS * 9) + 12) #define DISASSEM (MESA_VERBOSE & VERBOSE_DISASSEM) @@ -313,7 +328,7 @@ static void make_state_key( GLcontext *ctx, struct state_key *key ) memset(key, 0, sizeof(*key)); - for (i=0;i<MAX_TEXTURE_UNITS;i++) { + for (i = 0; i < ctx->Const.MaxTextureUnits; i++) { const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[i]; GLenum format; @@ -416,7 +431,7 @@ struct texenv_fragment_program { GLbitfield temp_in_use; /**< Tracks temporary regs which are in use. */ GLboolean error; - struct ureg src_texture[MAX_TEXTURE_UNITS]; + struct ureg src_texture[MAX_TEXTURE_COORD_UNITS]; /* Reg containing each texture unit's sampled texture color, * else undef. */ @@ -1201,7 +1216,7 @@ create_new_program(GLcontext *ctx, struct state_key *key, p.program->Base.InputsRead = 0; p.program->Base.OutputsWritten = 1 << FRAG_RESULT_COLR; - for (unit = 0; unit < MAX_TEXTURE_UNITS; unit++) + for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) p.src_texture[unit] = undef; p.src_previous = undef; diff --git a/src/mesa/main/texstate.c b/src/mesa/main/texstate.c index f0193770412..29955d76cbe 100644 --- a/src/mesa/main/texstate.c +++ b/src/mesa/main/texstate.c @@ -81,7 +81,7 @@ _mesa_copy_texture_state( const GLcontext *src, GLcontext *dst ) dst->Texture.SharedPalette = src->Texture.SharedPalette; /* per-unit state */ - for (i = 0; i < src->Const.MaxTextureUnits; i++) { + for (i = 0; i < src->Const.MaxTextureImageUnits; i++) { dst->Texture.Unit[i].Enabled = src->Texture.Unit[i].Enabled; dst->Texture.Unit[i].EnvMode = src->Texture.Unit[i].EnvMode; COPY_4V(dst->Texture.Unit[i].EnvColor, src->Texture.Unit[i].EnvColor); @@ -307,8 +307,7 @@ _mesa_ActiveTextureARB(GLenum texture) _mesa_debug(ctx, "glActiveTexture %s\n", _mesa_lookup_enum_by_nr(texture)); - /* XXX error-check against max(coordunits, imageunits) */ - if (texUnit >= ctx->Const.MaxTextureUnits) { + if (texUnit >= ctx->Const.MaxTextureImageUnits) { _mesa_error(ctx, GL_INVALID_ENUM, "glActiveTexture(texture)"); return; } @@ -369,7 +368,7 @@ update_texture_matrices( GLcontext *ctx ) ctx->Texture._TexMatEnabled = 0; - for (i=0; i < ctx->Const.MaxTextureUnits; i++) { + for (i=0; i < ctx->Const.MaxTextureCoordUnits; i++) { if (_math_matrix_is_dirty(ctx->TextureMatrixStack[i].Top)) { _math_matrix_analyse( ctx->TextureMatrixStack[i].Top ); @@ -491,7 +490,7 @@ update_texture_state( GLcontext *ctx ) /* * Update texture unit state. */ - for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) { + for (unit = 0; unit < ctx->Const.MaxTextureImageUnits; unit++) { struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; GLbitfield enableBits; @@ -621,7 +620,7 @@ update_texture_state( GLcontext *ctx ) } /* Setup texgen for those texture coordinate sets that are in use */ - for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) { + for (unit = 0; unit < ctx->Const.MaxTextureCoordUnits; unit++) { struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; if (!(ctx->Texture._EnabledCoordUnits & (1 << unit))) diff --git a/src/mesa/shader/prog_parameter.c b/src/mesa/shader/prog_parameter.c index e6653157d46..8ae961241f6 100644 --- a/src/mesa/shader/prog_parameter.c +++ b/src/mesa/shader/prog_parameter.c @@ -290,7 +290,8 @@ _mesa_use_uniform(struct gl_program_parameter_list *paramList, GLuint i; for (i = 0; i < paramList->NumParameters; i++) { struct gl_program_parameter *p = paramList->Parameters + i; - if (p->Type == PROGRAM_UNIFORM && _mesa_strcmp(p->Name, name) == 0) { + if ((p->Type == PROGRAM_UNIFORM || p->Type == PROGRAM_SAMPLER) && + _mesa_strcmp(p->Name, name) == 0) { p->Used = GL_TRUE; /* Note that large uniforms may occupy several slots so we're * not done searching yet. diff --git a/src/mesa/shader/slang/library/slang_common_builtin.gc b/src/mesa/shader/slang/library/slang_common_builtin.gc index 3e03b101b87..230c57cea8d 100644 --- a/src/mesa/shader/slang/library/slang_common_builtin.gc +++ b/src/mesa/shader/slang/library/slang_common_builtin.gc @@ -27,8 +27,9 @@ // From Shader Spec, ver. 1.10, rev. 59 // -//bp: XXX these will probably go away since the value needs to be -//determined at runtime and may vary from one GLcontext to another... +// Note: the values assigned to these constants here aren't actually used. +// They're set by the compiler according to the GL context limits. +// See slang_simplify.c const int gl_MaxLights = 8; const int gl_MaxClipPlanes = 6; const int gl_MaxTextureUnits = 8; diff --git a/src/mesa/shader/slang/slang_codegen.c b/src/mesa/shader/slang/slang_codegen.c index 7d764cb5c1d..4976daf533b 100644 --- a/src/mesa/shader/slang/slang_codegen.c +++ b/src/mesa/shader/slang/slang_codegen.c @@ -391,7 +391,7 @@ _slang_input_index(const char *name, GLenum target, GLuint *swizzleOut) const struct input_info *inputs = (target == GL_VERTEX_PROGRAM_ARB) ? vertInputs : fragInputs; - ASSERT(MAX_TEXTURE_UNITS == 8); /* if this fails, fix vertInputs above */ + ASSERT(MAX_TEXTURE_COORD_UNITS == 8); /* if this fails, fix vertInputs above */ for (i = 0; inputs[i].Name; i++) { if (strcmp(inputs[i].Name, name) == 0) { diff --git a/src/mesa/shader/slang/slang_emit.c b/src/mesa/shader/slang/slang_emit.c index 500112b6f67..b7a3cfb6177 100644 --- a/src/mesa/shader/slang/slang_emit.c +++ b/src/mesa/shader/slang/slang_emit.c @@ -1290,6 +1290,7 @@ emit_tex(slang_emit_info *emitInfo, slang_ir_node *n) /* Child[0] is the sampler (a uniform which'll indicate the texture unit) */ assert(n->Children[0]->Store); + assert(n->Children[0]->Store->File == PROGRAM_SAMPLER); /* Store->Index is the sampler index */ assert(n->Children[0]->Store->Index >= 0); /* Store->Size is the texture target */ @@ -1299,6 +1300,10 @@ emit_tex(slang_emit_info *emitInfo, slang_ir_node *n) inst->TexSrcTarget = n->Children[0]->Store->Size; inst->TexSrcUnit = n->Children[0]->Store->Index; /* i.e. uniform's index */ + /* mark the sampler as being used */ + _mesa_use_uniform(emitInfo->prog->Parameters, + (char *) n->Children[0]->Var->a_name); + return inst; } @@ -2104,7 +2109,8 @@ emit_var_ref(slang_emit_info *emitInfo, slang_ir_node *n) n->Store->Index = index; } - else if (n->Store->File == PROGRAM_UNIFORM) { + else if (n->Store->File == PROGRAM_UNIFORM || + n->Store->File == PROGRAM_SAMPLER) { /* mark var as used */ _mesa_use_uniform(emitInfo->prog->Parameters, (char *) n->Var->a_name); } diff --git a/src/mesa/shader/slang/slang_link.c b/src/mesa/shader/slang/slang_link.c index 1b63659cfdb..3ff94d21a33 100644 --- a/src/mesa/shader/slang/slang_link.c +++ b/src/mesa/shader/slang/slang_link.c @@ -1,8 +1,9 @@ /* * Mesa 3-D graphics library - * Version: 7.2 + * Version: 7.3 * * Copyright (C) 2008 Brian Paul All Rights Reserved. + * Copyright (C) 2009 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"), @@ -206,13 +207,27 @@ link_varying_vars(struct gl_shader_program *shProg, struct gl_program *prog) * Build the shProg->Uniforms list. * This is basically a list/index of all uniforms found in either/both of * the vertex and fragment shaders. + * + * About uniforms: + * Each uniform has two indexes, one that points into the vertex + * program's parameter array and another that points into the fragment + * program's parameter array. When the user changes a uniform's value + * we have to change the value in the vertex and/or fragment program's + * parameter array. + * + * This function will be called twice to set up the two uniform->parameter + * mappings. + * + * If a uniform is only present in the vertex program OR fragment program + * then the fragment/vertex parameter index, respectively, will be -1. */ static GLboolean -link_uniform_vars(struct gl_shader_program *shProg, +link_uniform_vars(GLcontext *ctx, + struct gl_shader_program *shProg, struct gl_program *prog, GLuint *numSamplers) { - GLuint samplerMap[MAX_SAMPLERS]; + GLuint samplerMap[200]; /* max number of samplers declared, not used */ GLuint i; for (i = 0; i < prog->Parameters->NumParameters; i++) { @@ -227,33 +242,41 @@ link_uniform_vars(struct gl_shader_program *shProg, * Furthermore, we'll need to fix the state-var's size/datatype info. */ - if ((p->Type == PROGRAM_UNIFORM && p->Used) || - p->Type == PROGRAM_SAMPLER) { + if ((p->Type == PROGRAM_UNIFORM || p->Type == PROGRAM_SAMPLER) + && p->Used) { + /* add this uniform, indexing into the target's Parameters list */ struct gl_uniform *uniform = _mesa_append_uniform(shProg->Uniforms, p->Name, prog->Target, i); if (uniform) uniform->Initialized = p->Initialized; } - if (p->Type == PROGRAM_SAMPLER) { + /* The samplerMap[] table we build here is used to remap/re-index + * sampler references by TEX instructions. + */ + if (p->Type == PROGRAM_SAMPLER && p->Used) { /* Allocate a new sampler index */ - GLuint sampNum = *numSamplers; GLuint oldSampNum = (GLuint) prog->Parameters->ParameterValues[i][0]; - if (oldSampNum >= MAX_SAMPLERS) { + GLuint newSampNum = *numSamplers; + if (newSampNum >= ctx->Const.MaxTextureImageUnits) { char s[100]; sprintf(s, "Too many texture samplers (%u, max is %u)", - oldSampNum + 1, MAX_SAMPLERS); + newSampNum, ctx->Const.MaxTextureImageUnits); link_error(shProg, s); return GL_FALSE; } - samplerMap[oldSampNum] = sampNum; + /* save old->new mapping in the table */ + if (oldSampNum < Elements(samplerMap)) + samplerMap[oldSampNum] = newSampNum; + /* update parameter's sampler index */ + prog->Parameters->ParameterValues[i][0] = (GLfloat) newSampNum; (*numSamplers)++; } } - - /* OK, now scan the program/shader instructions looking for sampler vars, - * replacing the old index with the new index. + /* OK, now scan the program/shader instructions looking for texture + * instructions using sampler vars. Replace old sampler indexes with + * new ones. */ prog->SamplersUsed = 0x0; for (i = 0; i < prog->NumInstructions; i++) { @@ -264,10 +287,13 @@ link_uniform_vars(struct gl_shader_program *shProg, inst->Sampler, map[ inst->Sampler ]); */ /* here, texUnit is really samplerUnit */ - assert(inst->TexSrcUnit < MAX_SAMPLERS); - inst->TexSrcUnit = samplerMap[inst->TexSrcUnit]; - prog->SamplerTargets[inst->TexSrcUnit] = inst->TexSrcTarget; - prog->SamplersUsed |= (1 << inst->TexSrcUnit); + const GLint oldSampNum = inst->TexSrcUnit; + if (oldSampNum < Elements(samplerMap)) { + const GLuint newSampNum = samplerMap[oldSampNum]; + inst->TexSrcUnit = newSampNum; + prog->SamplerTargets[newSampNum] = inst->TexSrcTarget; + prog->SamplersUsed |= (1 << newSampNum); + } } } @@ -567,13 +593,13 @@ _slang_link(GLcontext *ctx, /* link uniform vars */ if (shProg->VertexProgram) { - if (!link_uniform_vars(shProg, &shProg->VertexProgram->Base, + if (!link_uniform_vars(ctx, shProg, &shProg->VertexProgram->Base, &numSamplers)) { return; } } if (shProg->FragmentProgram) { - if (!link_uniform_vars(shProg, &shProg->FragmentProgram->Base, + if (!link_uniform_vars(ctx, shProg, &shProg->FragmentProgram->Base, &numSamplers)) { return; } |