diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/Makefile | 1 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_context.h | 2 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_program.c | 1 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_wm.c | 21 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_wm.h | 2 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_wm_glsl.c | 1035 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_wm_state.c | 1 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/gen6_wm_state.c | 4 |
8 files changed, 10 insertions, 1057 deletions
diff --git a/src/mesa/drivers/dri/i965/Makefile b/src/mesa/drivers/dri/i965/Makefile index e3ca863fe5..7c3ac0c14e 100644 --- a/src/mesa/drivers/dri/i965/Makefile +++ b/src/mesa/drivers/dri/i965/Makefile @@ -81,7 +81,6 @@ DRIVER_SOURCES = \ brw_wm_emit.c \ brw_wm_fp.c \ brw_wm_iz.c \ - brw_wm_glsl.c \ brw_wm_pass0.c \ brw_wm_pass1.c \ brw_wm_pass2.c \ diff --git a/src/mesa/drivers/dri/i965/brw_context.h b/src/mesa/drivers/dri/i965/brw_context.h index 335339515a..7069724466 100644 --- a/src/mesa/drivers/dri/i965/brw_context.h +++ b/src/mesa/drivers/dri/i965/brw_context.h @@ -171,7 +171,6 @@ struct brw_vertex_program { struct brw_fragment_program { struct gl_fragment_program program; GLuint id; /**< serial no. to identify frag progs, never re-used */ - GLboolean isGLSL; /**< really, any IF/LOOP/CONT/BREAK instructions */ /** for debugging, which texture units are referenced */ GLbitfield tex_units_used; @@ -211,6 +210,7 @@ struct brw_wm_prog_data { GLuint nr_params; /**< number of float params/constants */ GLuint nr_pull_params; GLboolean error; + int dispatch_width; /* Pointer to tracked values (only valid once * _mesa_load_state_parameters has been called at runtime). diff --git a/src/mesa/drivers/dri/i965/brw_program.c b/src/mesa/drivers/dri/i965/brw_program.c index 1367d81469..94efa79109 100644 --- a/src/mesa/drivers/dri/i965/brw_program.c +++ b/src/mesa/drivers/dri/i965/brw_program.c @@ -142,7 +142,6 @@ static GLboolean brwProgramStringNotify( struct gl_context *ctx, if (newFP == curFP) brw->state.dirty.brw |= BRW_NEW_FRAGMENT_PROGRAM; newFP->id = brw->program_id++; - newFP->isGLSL = brw_wm_is_glsl(fprog); /* Don't reject fragment shaders for their Mesa IR state when we're * using the new FS backend. diff --git a/src/mesa/drivers/dri/i965/brw_wm.c b/src/mesa/drivers/dri/i965/brw_wm.c index 659f3cbef5..e0aa3fd7f2 100644 --- a/src/mesa/drivers/dri/i965/brw_wm.c +++ b/src/mesa/drivers/dri/i965/brw_wm.c @@ -134,7 +134,7 @@ brw_wm_payload_setup(struct brw_context *brw, /* R3-4: perspective pixel location barycentric */ c->nr_payload_regs += 2; /* R5-6: perspective pixel location bary for dispatch width != 8 */ - if (!c->fp->isGLSL) { /* dispatch_width != 8 */ + if (c->dispatch_width == 16) { c->nr_payload_regs += 2; } /* R7-10: perspective centroid barycentric */ @@ -147,7 +147,7 @@ brw_wm_payload_setup(struct brw_context *brw, if (uses_depth) { c->source_depth_reg = c->nr_payload_regs; c->nr_payload_regs++; - if (!c->fp->isGLSL) { /* dispatch_width != 8 */ + if (c->dispatch_width == 16) { /* R28: interpolated depth if not 8-wide. */ c->nr_payload_regs++; } @@ -157,7 +157,7 @@ brw_wm_payload_setup(struct brw_context *brw, if (uses_depth) { c->source_w_reg = c->nr_payload_regs; c->nr_payload_regs++; - if (!c->fp->isGLSL) { /* dispatch_width != 8 */ + if (c->dispatch_width == 16) { /* R30: interpolated W if not 8-wide. */ c->nr_payload_regs++; } @@ -225,23 +225,16 @@ static void do_wm_prog( struct brw_context *brw, brw_wm_payload_setup(brw, c); - /* temporary sanity check assertion */ - ASSERT(fp->isGLSL == brw_wm_is_glsl(&c->fp->program)); - if (!brw_wm_fs_emit(brw, c)) { /* * Shader which use GLSL features such as flow control are handled * differently from "simple" shaders. */ - if (fp->isGLSL) { - c->dispatch_width = 8; - brw_wm_glsl_emit(brw, c); - } - else { - c->dispatch_width = 16; - brw_wm_non_glsl_emit(brw, c); - } + c->dispatch_width = 16; + brw_wm_payload_setup(brw, c); + brw_wm_non_glsl_emit(brw, c); } + c->prog_data.dispatch_width = c->dispatch_width; /* Scratch space is used for register spilling */ if (c->last_scratch) { diff --git a/src/mesa/drivers/dri/i965/brw_wm.h b/src/mesa/drivers/dri/i965/brw_wm.h index d34566a4bd..937b0edd70 100644 --- a/src/mesa/drivers/dri/i965/brw_wm.h +++ b/src/mesa/drivers/dri/i965/brw_wm.h @@ -313,8 +313,6 @@ void brw_wm_print_program( struct brw_wm_compile *c, void brw_wm_lookup_iz(struct intel_context *intel, struct brw_wm_compile *c); -GLboolean brw_wm_is_glsl(const struct gl_fragment_program *fp); -void brw_wm_glsl_emit(struct brw_context *brw, struct brw_wm_compile *c); GLboolean brw_wm_fs_emit(struct brw_context *brw, struct brw_wm_compile *c); /* brw_wm_emit.c */ diff --git a/src/mesa/drivers/dri/i965/brw_wm_glsl.c b/src/mesa/drivers/dri/i965/brw_wm_glsl.c deleted file mode 100644 index 4150244518..0000000000 --- a/src/mesa/drivers/dri/i965/brw_wm_glsl.c +++ /dev/null @@ -1,1035 +0,0 @@ -#include "main/macros.h" -#include "program/prog_parameter.h" -#include "program/prog_print.h" -#include "program/prog_optimize.h" -#include "brw_context.h" -#include "brw_eu.h" -#include "brw_wm.h" - -static struct brw_reg get_dst_reg(struct brw_wm_compile *c, - const struct prog_instruction *inst, - GLuint component); - -/** - * Determine if the given fragment program uses GLSL features such - * as flow conditionals, loops, subroutines. - * Some GLSL shaders may use these features, others might not. - */ -GLboolean brw_wm_is_glsl(const struct gl_fragment_program *fp) -{ - int i; - - if (unlikely(INTEL_DEBUG & DEBUG_GLSL_FORCE)) - return GL_TRUE; - - for (i = 0; i < fp->Base.NumInstructions; i++) { - const struct prog_instruction *inst = &fp->Base.Instructions[i]; - switch (inst->Opcode) { - case OPCODE_ARL: - case OPCODE_IF: - case OPCODE_ENDIF: - case OPCODE_CAL: - case OPCODE_BRK: - case OPCODE_RET: - case OPCODE_BGNLOOP: - return GL_TRUE; - default: - break; - } - } - return GL_FALSE; -} - - - -static void -reclaim_temps(struct brw_wm_compile *c); - - -/** Mark GRF register as used. */ -static void -prealloc_grf(struct brw_wm_compile *c, int r) -{ - c->used_grf[r] = GL_TRUE; -} - - -/** Mark given GRF register as not in use. */ -static void -release_grf(struct brw_wm_compile *c, int r) -{ - /*assert(c->used_grf[r]);*/ - c->used_grf[r] = GL_FALSE; - c->first_free_grf = MIN2(c->first_free_grf, r); -} - - -/** Return index of a free GRF, mark it as used. */ -static int -alloc_grf(struct brw_wm_compile *c) -{ - GLuint r; - for (r = c->first_free_grf; r < BRW_WM_MAX_GRF; r++) { - if (!c->used_grf[r]) { - c->used_grf[r] = GL_TRUE; - c->first_free_grf = r + 1; /* a guess */ - return r; - } - } - - /* no free temps, try to reclaim some */ - reclaim_temps(c); - c->first_free_grf = 0; - - /* try alloc again */ - for (r = c->first_free_grf; r < BRW_WM_MAX_GRF; r++) { - if (!c->used_grf[r]) { - c->used_grf[r] = GL_TRUE; - c->first_free_grf = r + 1; /* a guess */ - return r; - } - } - - for (r = 0; r < BRW_WM_MAX_GRF; r++) { - assert(c->used_grf[r]); - } - - /* really, no free GRF regs found */ - if (!c->out_of_regs) { - /* print warning once per compilation */ - _mesa_warning(NULL, "i965: ran out of registers for fragment program"); - c->out_of_regs = GL_TRUE; - } - - return -1; -} - - -/** Return number of GRF registers used */ -static int -num_grf_used(const struct brw_wm_compile *c) -{ - int r; - for (r = BRW_WM_MAX_GRF - 1; r >= 0; r--) - if (c->used_grf[r]) - return r + 1; - return 0; -} - - - -/** - * Record the mapping of a Mesa register to a hardware register. - */ -static void set_reg(struct brw_wm_compile *c, int file, int index, - int component, struct brw_reg reg) -{ - c->wm_regs[file][index][component].reg = reg; - c->wm_regs[file][index][component].inited = GL_TRUE; -} - -static struct brw_reg alloc_tmp(struct brw_wm_compile *c) -{ - struct brw_reg reg; - - /* if we need to allocate another temp, grow the tmp_regs[] array */ - if (c->tmp_index == c->tmp_max) { - int r = alloc_grf(c); - if (r < 0) { - /*printf("Out of temps in %s\n", __FUNCTION__);*/ - r = 50; /* XXX random register! */ - } - c->tmp_regs[ c->tmp_max++ ] = r; - } - - /* form the GRF register */ - reg = brw_vec8_grf(c->tmp_regs[ c->tmp_index++ ], 0); - /*printf("alloc_temp %d\n", reg.nr);*/ - assert(reg.nr < BRW_WM_MAX_GRF); - return reg; - -} - -/** - * Save current temp register info. - * There must be a matching call to release_tmps(). - */ -static int mark_tmps(struct brw_wm_compile *c) -{ - return c->tmp_index; -} - -static void release_tmps(struct brw_wm_compile *c, int mark) -{ - c->tmp_index = mark; -} - -/** - * Convert Mesa src register to brw register. - * - * Since we're running in SOA mode each Mesa register corresponds to four - * hardware registers. We allocate the hardware registers as needed here. - * - * \param file register file, one of PROGRAM_x - * \param index register number - * \param component src component (X=0, Y=1, Z=2, W=3) - * \param nr not used?!? - * \param neg negate value? - * \param abs take absolute value? - */ -static struct brw_reg -get_reg(struct brw_wm_compile *c, int file, int index, int component, - int nr, GLuint neg, GLuint abs) -{ - struct brw_reg reg; - switch (file) { - case PROGRAM_STATE_VAR: - case PROGRAM_CONSTANT: - case PROGRAM_UNIFORM: - file = PROGRAM_STATE_VAR; - break; - case PROGRAM_UNDEFINED: - return brw_null_reg(); - case PROGRAM_TEMPORARY: - case PROGRAM_INPUT: - case PROGRAM_OUTPUT: - case PROGRAM_PAYLOAD: - break; - default: - _mesa_problem(NULL, "Unexpected file in get_reg()"); - return brw_null_reg(); - } - - assert(index < 256); - assert(component < 4); - - /* see if we've already allocated a HW register for this Mesa register */ - if (c->wm_regs[file][index][component].inited) { - /* yes, re-use */ - reg = c->wm_regs[file][index][component].reg; - } - else { - /* no, allocate new register */ - int grf = alloc_grf(c); - /*printf("alloc grf %d for reg %d:%d.%d\n", grf, file, index, component);*/ - if (grf < 0) { - /* totally out of temps */ - grf = 51; /* XXX random register! */ - } - - reg = brw_vec8_grf(grf, 0); - /*printf("Alloc new grf %d for %d.%d\n", reg.nr, index, component);*/ - - set_reg(c, file, index, component, reg); - } - - if (neg & (1 << component)) { - reg = negate(reg); - } - if (abs) - reg = brw_abs(reg); - return reg; -} - - - -/** - * This is called if we run out of GRF registers. Examine the live intervals - * of temp regs in the program and free those which won't be used again. - */ -static void -reclaim_temps(struct brw_wm_compile *c) -{ - GLint intBegin[MAX_PROGRAM_TEMPS]; - GLint intEnd[MAX_PROGRAM_TEMPS]; - int index; - - /*printf("Reclaim temps:\n");*/ - - _mesa_find_temp_intervals(c->prog_instructions, c->nr_fp_insns, - intBegin, intEnd); - - for (index = 0; index < MAX_PROGRAM_TEMPS; index++) { - if (intEnd[index] != -1 && intEnd[index] < c->cur_inst) { - /* program temp[i] can be freed */ - int component; - /*printf(" temp[%d] is dead\n", index);*/ - for (component = 0; component < 4; component++) { - if (c->wm_regs[PROGRAM_TEMPORARY][index][component].inited) { - int r = c->wm_regs[PROGRAM_TEMPORARY][index][component].reg.nr; - release_grf(c, r); - /* - printf(" Reclaim temp %d, reg %d at inst %d\n", - index, r, c->cur_inst); - */ - c->wm_regs[PROGRAM_TEMPORARY][index][component].inited = GL_FALSE; - } - } - } - } -} - - - - -/** - * Preallocate registers. This sets up the Mesa to hardware register - * mapping for certain registers, such as constants (uniforms/state vars) - * and shader inputs. - */ -static void prealloc_reg(struct brw_wm_compile *c) -{ - struct intel_context *intel = &c->func.brw->intel; - int i, j; - struct brw_reg reg; - int urb_read_length = 0; - GLuint inputs = FRAG_BIT_WPOS | c->fp_interp_emitted; - GLuint reg_index = 0; - - memset(c->used_grf, GL_FALSE, sizeof(c->used_grf)); - c->first_free_grf = 0; - - for (i = 0; i < 4; i++) { - if (i < (c->nr_payload_regs + 1) / 2) - reg = brw_vec8_grf(i * 2, 0); - else - reg = brw_vec8_grf(0, 0); - set_reg(c, PROGRAM_PAYLOAD, PAYLOAD_DEPTH, i, reg); - } - set_reg(c, PROGRAM_PAYLOAD, PAYLOAD_W, 0, - brw_vec8_grf(c->source_w_reg, 0)); - reg_index += c->nr_payload_regs; - - /* constants */ - { - const GLuint nr_params = c->fp->program.Base.Parameters->NumParameters; - const GLuint nr_temps = c->fp->program.Base.NumTemporaries; - - /* use a real constant buffer, or just use a section of the GRF? */ - /* XXX this heuristic may need adjustment... */ - if ((nr_params + nr_temps) * 4 + reg_index > 80) { - for (i = 0; i < nr_params; i++) { - float *pv = c->fp->program.Base.Parameters->ParameterValues[i]; - for (j = 0; j < 4; j++) { - c->prog_data.pull_param[c->prog_data.nr_pull_params] = &pv[j]; - c->prog_data.nr_pull_params++; - } - } - - c->prog_data.nr_params = 0; - } - /*printf("WM use_const_buffer = %d\n", c->fp->use_const_buffer);*/ - - if (!c->prog_data.nr_pull_params) { - const struct gl_program_parameter_list *plist = - c->fp->program.Base.Parameters; - int index = 0; - - /* number of float constants in CURBE */ - c->prog_data.nr_params = 4 * nr_params; - - /* loop over program constants (float[4]) */ - for (i = 0; i < nr_params; i++) { - /* loop over XYZW channels */ - for (j = 0; j < 4; j++, index++) { - reg = brw_vec1_grf(reg_index + index / 8, index % 8); - /* Save pointer to parameter/constant value. - * Constants will be copied in prepare_constant_buffer() - */ - c->prog_data.param[index] = &plist->ParameterValues[i][j]; - set_reg(c, PROGRAM_STATE_VAR, i, j, reg); - } - } - /* number of constant regs used (each reg is float[8]) */ - c->nr_creg = ALIGN(nr_params, 2) / 2; - reg_index += c->nr_creg; - } - } - - /* fragment shader inputs: One 2-reg pair of interpolation - * coefficients for each vec4 to be set up. - */ - if (intel->gen >= 6) { - for (i = 0; i < FRAG_ATTRIB_MAX; i++) { - if (!(c->fp->program.Base.InputsRead & BITFIELD64_BIT(i))) - continue; - - reg = brw_vec8_grf(reg_index, 0); - for (j = 0; j < 4; j++) { - set_reg(c, PROGRAM_PAYLOAD, i, j, reg); - } - reg_index += 2; - } - urb_read_length = reg_index; - } else { - for (i = 0; i < VERT_RESULT_MAX; i++) { - int fp_input; - - if (i >= VERT_RESULT_VAR0) - fp_input = i - VERT_RESULT_VAR0 + FRAG_ATTRIB_VAR0; - else if (i <= VERT_RESULT_TEX7) - fp_input = i; - else - fp_input = -1; - - if (fp_input >= 0 && inputs & (1 << fp_input)) { - urb_read_length = reg_index; - reg = brw_vec8_grf(reg_index, 0); - for (j = 0; j < 4; j++) - set_reg(c, PROGRAM_PAYLOAD, fp_input, j, reg); - } - if (c->key.vp_outputs_written & BITFIELD64_BIT(i)) { - reg_index += 2; - } - } - } - - c->prog_data.first_curbe_grf = c->nr_payload_regs; - c->prog_data.urb_read_length = urb_read_length; - c->prog_data.curb_read_length = c->nr_creg; - c->emit_mask_reg = brw_uw1_reg(BRW_GENERAL_REGISTER_FILE, reg_index, 0); - reg_index++; - c->stack = brw_uw16_reg(BRW_GENERAL_REGISTER_FILE, reg_index, 0); - reg_index += 2; - - /* mark GRF regs [0..reg_index-1] as in-use */ - for (i = 0; i < reg_index; i++) - prealloc_grf(c, i); - - /* Don't use GRF 126, 127. Using them seems to lead to GPU lock-ups */ - prealloc_grf(c, 126); - prealloc_grf(c, 127); - - for (i = 0; i < c->nr_fp_insns; i++) { - const struct prog_instruction *inst = &c->prog_instructions[i]; - struct brw_reg dst[4]; - - switch (inst->Opcode) { - case OPCODE_TEX: - case OPCODE_TXB: - /* Allocate the channels of texture results contiguously, - * since they are written out that way by the sampler unit. - */ - for (j = 0; j < 4; j++) { - dst[j] = get_dst_reg(c, inst, j); - if (j != 0) - assert(dst[j].nr == dst[j - 1].nr + 1); - } - break; - default: - break; - } - } - - for (i = 0; i < c->nr_fp_insns; i++) { - const struct prog_instruction *inst = &c->prog_instructions[i]; - - switch (inst->Opcode) { - case WM_DELTAXY: - /* Allocate WM_DELTAXY destination on G45/GM45 to an - * even-numbered GRF if possible so that we can use the PLN - * instruction. - */ - if (inst->DstReg.WriteMask == WRITEMASK_XY && - !c->wm_regs[inst->DstReg.File][inst->DstReg.Index][0].inited && - !c->wm_regs[inst->DstReg.File][inst->DstReg.Index][1].inited && - (IS_G4X(intel->intelScreen->deviceID) || intel->gen == 5)) { - int grf; - - for (grf = c->first_free_grf & ~1; - grf < BRW_WM_MAX_GRF; - grf += 2) - { - if (!c->used_grf[grf] && !c->used_grf[grf + 1]) { - c->used_grf[grf] = GL_TRUE; - c->used_grf[grf + 1] = GL_TRUE; - c->first_free_grf = grf + 2; /* a guess */ - - set_reg(c, inst->DstReg.File, inst->DstReg.Index, 0, - brw_vec8_grf(grf, 0)); - set_reg(c, inst->DstReg.File, inst->DstReg.Index, 1, - brw_vec8_grf(grf + 1, 0)); - break; - } - } - } - default: - break; - } - } - - /* An instruction may reference up to three constants. - * They'll be found in these registers. - * XXX alloc these on demand! - */ - if (c->prog_data.nr_pull_params) { - for (i = 0; i < 3; i++) { - c->current_const[i].index = -1; - c->current_const[i].reg = brw_vec8_grf(alloc_grf(c), 0); - } - } -#if 0 - printf("USE CONST BUFFER? %d\n", c->fp->use_const_buffer); - printf("AFTER PRE_ALLOC, reg_index = %d\n", reg_index); -#endif -} - - -/** - * Check if any of the instruction's src registers are constants, uniforms, - * or statevars. If so, fetch any constants that we don't already have in - * the three GRF slots. - */ -static void fetch_constants(struct brw_wm_compile *c, - const struct prog_instruction *inst) -{ - struct brw_compile *p = &c->func; - GLuint i; - - /* loop over instruction src regs */ - for (i = 0; i < 3; i++) { - const struct prog_src_register *src = &inst->SrcReg[i]; - if (src->File == PROGRAM_STATE_VAR || - src->File == PROGRAM_CONSTANT || - src->File == PROGRAM_UNIFORM) { - c->current_const[i].index = src->Index; - -#if 0 - printf(" fetch const[%d] for arg %d into reg %d\n", - src->Index, i, c->current_const[i].reg.nr); -#endif - - /* need to fetch the constant now */ - brw_oword_block_read(p, - c->current_const[i].reg, - brw_message_reg(1), - 16 * src->Index, - SURF_INDEX_FRAG_CONST_BUFFER); - } - } -} - - -/** - * Convert Mesa dst register to brw register. - */ -static struct brw_reg get_dst_reg(struct brw_wm_compile *c, - const struct prog_instruction *inst, - GLuint component) -{ - const int nr = 1; - return get_reg(c, inst->DstReg.File, inst->DstReg.Index, component, nr, - 0, 0); -} - - -static struct brw_reg -get_src_reg_const(struct brw_wm_compile *c, - const struct prog_instruction *inst, - GLuint srcRegIndex, GLuint component) -{ - /* We should have already fetched the constant from the constant - * buffer in fetch_constants(). Now we just have to return a - * register description that extracts the needed component and - * smears it across all eight vector components. - */ - const struct prog_src_register *src = &inst->SrcReg[srcRegIndex]; - struct brw_reg const_reg; - - assert(component < 4); - assert(srcRegIndex < 3); - assert(c->current_const[srcRegIndex].index != -1); - const_reg = c->current_const[srcRegIndex].reg; - - /* extract desired float from the const_reg, and smear */ - const_reg = stride(const_reg, 0, 1, 0); - const_reg.subnr = component * 4; - - if (src->Negate & (1 << component)) - const_reg = negate(const_reg); - if (src->Abs) - const_reg = brw_abs(const_reg); - -#if 0 - printf(" form const[%d].%d for arg %d, reg %d\n", - c->current_const[srcRegIndex].index, - component, - srcRegIndex, - const_reg.nr); -#endif - - return const_reg; -} - - -/** - * Convert Mesa src register to brw register. - */ -static struct brw_reg get_src_reg(struct brw_wm_compile *c, - const struct prog_instruction *inst, - GLuint srcRegIndex, GLuint channel) -{ - const struct prog_src_register *src = &inst->SrcReg[srcRegIndex]; - const GLuint nr = 1; - const GLuint component = GET_SWZ(src->Swizzle, channel); - - /* Only one immediate value can be used per native opcode, and it - * has be in the src1 slot, so not all Mesa instructions will get - * to take advantage of immediate constants. - */ - if (brw_wm_arg_can_be_immediate(inst->Opcode, srcRegIndex)) { - const struct gl_program_parameter_list *params; - - params = c->fp->program.Base.Parameters; - - /* Extended swizzle terms */ - if (component == SWIZZLE_ZERO) { - return brw_imm_f(0.0F); - } else if (component == SWIZZLE_ONE) { - if (src->Negate) - return brw_imm_f(-1.0F); - else - return brw_imm_f(1.0F); - } - - if (src->File == PROGRAM_CONSTANT) { - float f = params->ParameterValues[src->Index][component]; - - if (src->Abs) - f = fabs(f); - if (src->Negate) - f = -f; - - return brw_imm_f(f); - } - } - - if (c->prog_data.nr_pull_params && - (src->File == PROGRAM_STATE_VAR || - src->File == PROGRAM_CONSTANT || - src->File == PROGRAM_UNIFORM)) { - return get_src_reg_const(c, inst, srcRegIndex, component); - } - else { - /* other type of source register */ - return get_reg(c, src->File, src->Index, component, nr, - src->Negate, src->Abs); - } -} - -static void emit_arl(struct brw_wm_compile *c, - const struct prog_instruction *inst) -{ - struct brw_compile *p = &c->func; - struct brw_reg src0, addr_reg; - brw_set_saturate(p, (inst->SaturateMode != SATURATE_OFF) ? 1 : 0); - addr_reg = brw_uw8_reg(BRW_ARCHITECTURE_REGISTER_FILE, - BRW_ARF_ADDRESS, 0); - src0 = get_src_reg(c, inst, 0, 0); /* channel 0 */ - brw_MOV(p, addr_reg, src0); - brw_set_saturate(p, 0); -} - -static INLINE struct brw_reg high_words( struct brw_reg reg ) -{ - return stride( suboffset( retype( reg, BRW_REGISTER_TYPE_W ), 1 ), - 0, 8, 2 ); -} - -static INLINE struct brw_reg low_words( struct brw_reg reg ) -{ - return stride( retype( reg, BRW_REGISTER_TYPE_W ), 0, 8, 2 ); -} - -static INLINE struct brw_reg even_bytes( struct brw_reg reg ) -{ - return stride( retype( reg, BRW_REGISTER_TYPE_B ), 0, 16, 2 ); -} - -static INLINE struct brw_reg odd_bytes( struct brw_reg reg ) -{ - return stride( suboffset( retype( reg, BRW_REGISTER_TYPE_B ), 1 ), - 0, 16, 2 ); -} - -/** - * Resolve subroutine calls after code emit is done. - */ -static void post_wm_emit( struct brw_wm_compile *c ) -{ - brw_resolve_cals(&c->func); -} - -static void -get_argument_regs(struct brw_wm_compile *c, - const struct prog_instruction *inst, - int index, - struct brw_reg *dst, - struct brw_reg *regs, - int mask) -{ - struct brw_compile *p = &c->func; - int i, j; - - for (i = 0; i < 4; i++) { - if (mask & (1 << i)) { - regs[i] = get_src_reg(c, inst, index, i); - - /* Unalias destination registers from our sources. */ - if (regs[i].file == BRW_GENERAL_REGISTER_FILE) { - for (j = 0; j < 4; j++) { - if (memcmp(®s[i], &dst[j], sizeof(regs[0])) == 0) { - struct brw_reg tmp = alloc_tmp(c); - brw_MOV(p, tmp, regs[i]); - regs[i] = tmp; - break; - } - } - } - } - } -} - -static void brw_wm_emit_glsl(struct brw_context *brw, struct brw_wm_compile *c) -{ - struct intel_context *intel = &brw->intel; -#define MAX_IF_DEPTH 32 -#define MAX_LOOP_DEPTH 32 - struct brw_instruction *if_inst[MAX_IF_DEPTH], *loop_inst[MAX_LOOP_DEPTH]; - int if_depth_in_loop[MAX_LOOP_DEPTH]; - GLuint i, if_depth = 0, loop_depth = 0; - struct brw_compile *p = &c->func; - struct brw_indirect stack_index = brw_indirect(0, 0); - - c->out_of_regs = GL_FALSE; - - if_depth_in_loop[loop_depth] = 0; - - prealloc_reg(c); - brw_set_compression_control(p, BRW_COMPRESSION_NONE); - brw_MOV(p, get_addr_reg(stack_index), brw_address(c->stack)); - - if (intel->gen >= 6) - brw_set_acc_write_control(p, 1); - - for (i = 0; i < c->nr_fp_insns; i++) { - const struct prog_instruction *inst = &c->prog_instructions[i]; - int dst_flags; - struct brw_reg args[3][4], dst[4]; - int j; - int mark = mark_tmps( c ); - - c->cur_inst = i; - -#if 0 - printf("Inst %d: ", i); - _mesa_print_instruction(inst); -#endif - - /* fetch any constants that this instruction needs */ - if (c->prog_data.nr_pull_params) - fetch_constants(c, inst); - - if (inst->Opcode != OPCODE_ARL) { - for (j = 0; j < 4; j++) { - if (inst->DstReg.WriteMask & (1 << j)) - dst[j] = get_dst_reg(c, inst, j); - else - dst[j] = brw_null_reg(); - } - } - for (j = 0; j < brw_wm_nr_args(inst->Opcode); j++) - get_argument_regs(c, inst, j, dst, args[j], WRITEMASK_XYZW); - - dst_flags = inst->DstReg.WriteMask; - if (inst->SaturateMode == SATURATE_ZERO_ONE) - dst_flags |= SATURATE; - - if (inst->CondUpdate) - brw_set_conditionalmod(p, BRW_CONDITIONAL_NZ); - else - brw_set_conditionalmod(p, BRW_CONDITIONAL_NONE); - - switch (inst->Opcode) { - case WM_PIXELXY: - emit_pixel_xy(c, dst, dst_flags); - break; - case WM_DELTAXY: - emit_delta_xy(p, dst, dst_flags, args[0]); - break; - case WM_PIXELW: - emit_pixel_w(c, dst, dst_flags, args[0], args[1]); - break; - case WM_LINTERP: - emit_linterp(p, dst, dst_flags, args[0], args[1]); - break; - case WM_PINTERP: - emit_pinterp(p, dst, dst_flags, args[0], args[1], args[2]); - break; - case WM_CINTERP: - emit_cinterp(p, dst, dst_flags, args[0]); - break; - case WM_WPOSXY: - emit_wpos_xy(c, dst, dst_flags, args[0]); - break; - case WM_FB_WRITE: - emit_fb_write(c, args[0], args[1], args[2], - INST_AUX_GET_TARGET(inst->Aux), - inst->Aux & INST_AUX_EOT); - break; - case WM_FRONTFACING: - emit_frontfacing(p, dst, dst_flags); - break; - case OPCODE_ADD: - emit_alu2(p, brw_ADD, dst, dst_flags, args[0], args[1]); - break; - case OPCODE_ARL: - emit_arl(c, inst); - break; - case OPCODE_FRC: - emit_alu1(p, brw_FRC, dst, dst_flags, args[0]); - break; - case OPCODE_FLR: - emit_alu1(p, brw_RNDD, dst, dst_flags, args[0]); - break; - case OPCODE_LRP: - emit_lrp(p, dst, dst_flags, args[0], args[1], args[2]); - break; - case OPCODE_TRUNC: - emit_alu1(p, brw_RNDZ, dst, dst_flags, args[0]); - break; - case OPCODE_MOV: - case OPCODE_SWZ: - emit_alu1(p, brw_MOV, dst, dst_flags, args[0]); - break; - case OPCODE_DP2: - emit_dp2(p, dst, dst_flags, args[0], args[1]); - break; - case OPCODE_DP3: - emit_dp3(p, dst, dst_flags, args[0], args[1]); - break; - case OPCODE_DP4: - emit_dp4(p, dst, dst_flags, args[0], args[1]); - break; - case OPCODE_XPD: - emit_xpd(p, dst, dst_flags, args[0], args[1]); - break; - case OPCODE_DPH: - emit_dph(p, dst, dst_flags, args[0], args[1]); - break; - case OPCODE_RCP: - emit_math1(c, BRW_MATH_FUNCTION_INV, dst, dst_flags, args[0]); - break; - case OPCODE_RSQ: - emit_math1(c, BRW_MATH_FUNCTION_RSQ, dst, dst_flags, args[0]); - break; - case OPCODE_SIN: - emit_math1(c, BRW_MATH_FUNCTION_SIN, dst, dst_flags, args[0]); - break; - case OPCODE_COS: - emit_math1(c, BRW_MATH_FUNCTION_COS, dst, dst_flags, args[0]); - break; - case OPCODE_EX2: - emit_math1(c, BRW_MATH_FUNCTION_EXP, dst, dst_flags, args[0]); - break; - case OPCODE_LG2: - emit_math1(c, BRW_MATH_FUNCTION_LOG, dst, dst_flags, args[0]); - break; - case OPCODE_CMP: - emit_cmp(p, dst, dst_flags, args[0], args[1], args[2]); - break; - case OPCODE_MIN: - emit_min(p, dst, dst_flags, args[0], args[1]); - break; - case OPCODE_MAX: - emit_max(p, dst, dst_flags, args[0], args[1]); - break; - case OPCODE_DDX: - case OPCODE_DDY: - emit_ddxy(p, dst, dst_flags, (inst->Opcode == OPCODE_DDX), - args[0]); - break; - case OPCODE_SLT: - emit_sop(p, dst, dst_flags, - BRW_CONDITIONAL_L, args[0], args[1]); - break; - case OPCODE_SLE: - emit_sop(p, dst, dst_flags, - BRW_CONDITIONAL_LE, args[0], args[1]); - break; - case OPCODE_SGT: - emit_sop(p, dst, dst_flags, - BRW_CONDITIONAL_G, args[0], args[1]); - break; - case OPCODE_SGE: - emit_sop(p, dst, dst_flags, - BRW_CONDITIONAL_GE, args[0], args[1]); - break; - case OPCODE_SEQ: - emit_sop(p, dst, dst_flags, - BRW_CONDITIONAL_EQ, args[0], args[1]); - break; - case OPCODE_SNE: - emit_sop(p, dst, dst_flags, - BRW_CONDITIONAL_NEQ, args[0], args[1]); - break; - case OPCODE_SSG: - emit_sign(p, dst, dst_flags, args[0]); - break; - case OPCODE_MUL: - emit_alu2(p, brw_MUL, dst, dst_flags, args[0], args[1]); - break; - case OPCODE_POW: - emit_math2(c, BRW_MATH_FUNCTION_POW, - dst, dst_flags, args[0], args[1]); - break; - case OPCODE_MAD: - emit_mad(p, dst, dst_flags, args[0], args[1], args[2]); - break; - case OPCODE_TEX: - emit_tex(c, dst, dst_flags, args[0], - get_reg(c, PROGRAM_PAYLOAD, PAYLOAD_DEPTH, - 0, 1, 0, 0), - inst->TexSrcTarget, - inst->TexSrcUnit, - (c->key.shadowtex_mask & (1 << inst->TexSrcUnit)) != 0); - break; - case OPCODE_TXB: - emit_txb(c, dst, dst_flags, args[0], - get_reg(c, PROGRAM_PAYLOAD, PAYLOAD_DEPTH, - 0, 1, 0, 0), - inst->TexSrcTarget, - c->fp->program.Base.SamplerUnits[inst->TexSrcUnit]); - break; - case OPCODE_KIL_NV: - emit_kil_nv(c); - break; - case OPCODE_IF: - assert(if_depth < MAX_IF_DEPTH); - if_inst[if_depth++] = brw_IF(p, BRW_EXECUTE_8); - if_depth_in_loop[loop_depth]++; - break; - case OPCODE_ELSE: - assert(if_depth > 0); - if_inst[if_depth-1] = brw_ELSE(p, if_inst[if_depth-1]); - break; - case OPCODE_ENDIF: - assert(if_depth > 0); - brw_ENDIF(p, if_inst[--if_depth]); - if_depth_in_loop[loop_depth]--; - break; - case OPCODE_BGNSUB: - brw_save_label(p, inst->Comment, p->nr_insn); - break; - case OPCODE_ENDSUB: - /* no-op */ - break; - case OPCODE_CAL: - brw_push_insn_state(p); - brw_set_mask_control(p, BRW_MASK_DISABLE); - brw_set_access_mode(p, BRW_ALIGN_1); - brw_ADD(p, deref_1ud(stack_index, 0), brw_ip_reg(), brw_imm_d(3*16)); - brw_set_access_mode(p, BRW_ALIGN_16); - brw_ADD(p, get_addr_reg(stack_index), - get_addr_reg(stack_index), brw_imm_d(4)); - brw_save_call(&c->func, inst->Comment, p->nr_insn); - brw_ADD(p, brw_ip_reg(), brw_ip_reg(), brw_imm_d(1*16)); - brw_pop_insn_state(p); - break; - - case OPCODE_RET: - brw_push_insn_state(p); - brw_set_mask_control(p, BRW_MASK_DISABLE); - brw_ADD(p, get_addr_reg(stack_index), - get_addr_reg(stack_index), brw_imm_d(-4)); - brw_set_access_mode(p, BRW_ALIGN_1); - brw_MOV(p, brw_ip_reg(), deref_1ud(stack_index, 0)); - brw_set_access_mode(p, BRW_ALIGN_16); - brw_pop_insn_state(p); - - break; - case OPCODE_BGNLOOP: - /* XXX may need to invalidate the current_constant regs */ - loop_inst[loop_depth++] = brw_DO(p, BRW_EXECUTE_8); - if_depth_in_loop[loop_depth] = 0; - break; - case OPCODE_BRK: - brw_BREAK(p, if_depth_in_loop[loop_depth]); - brw_set_predicate_control(p, BRW_PREDICATE_NONE); - break; - case OPCODE_CONT: - brw_CONT(p, if_depth_in_loop[loop_depth]); - brw_set_predicate_control(p, BRW_PREDICATE_NONE); - break; - case OPCODE_ENDLOOP: - { - struct brw_instruction *inst0, *inst1; - GLuint br = 1; - - if (intel->gen == 5) - br = 2; - - assert(loop_depth > 0); - loop_depth--; - inst0 = inst1 = brw_WHILE(p, loop_inst[loop_depth]); - /* patch all the BREAK/CONT instructions from last BGNLOOP */ - while (inst0 > loop_inst[loop_depth]) { - inst0--; - if (inst0->header.opcode == BRW_OPCODE_BREAK && - inst0->bits3.if_else.jump_count == 0) { - inst0->bits3.if_else.jump_count = br * (inst1 - inst0 + 1); - } - else if (inst0->header.opcode == BRW_OPCODE_CONTINUE && - inst0->bits3.if_else.jump_count == 0) { - inst0->bits3.if_else.jump_count = br * (inst1 - inst0); - } - } - } - break; - default: - printf("unsupported opcode %d (%s) in fragment shader\n", - inst->Opcode, inst->Opcode < MAX_OPCODE ? - _mesa_opcode_string(inst->Opcode) : "unknown"); - } - - /* Release temporaries containing any unaliased source regs. */ - release_tmps( c, mark ); - - if (inst->CondUpdate) - brw_set_predicate_control(p, BRW_PREDICATE_NORMAL); - else - brw_set_predicate_control(p, BRW_PREDICATE_NONE); - } - post_wm_emit(c); - - if (unlikely(INTEL_DEBUG & DEBUG_WM)) { - printf("wm-native:\n"); - for (i = 0; i < p->nr_insn; i++) - brw_disasm(stdout, &p->store[i], intel->gen); - printf("\n"); - } -} - -/** - * Do GPU code generation for shaders that use GLSL features such as - * flow control. Other shaders will be compiled with the - */ -void brw_wm_glsl_emit(struct brw_context *brw, struct brw_wm_compile *c) -{ - if (unlikely(INTEL_DEBUG & DEBUG_WM)) { - printf("brw_wm_glsl_emit:\n"); - } - - /* initial instruction translation/simplification */ - brw_wm_pass_fp(c); - - /* actual code generation */ - brw_wm_emit_glsl(brw, c); - - if (unlikely(INTEL_DEBUG & DEBUG_WM)) { - brw_wm_print_program(c, "brw_wm_glsl_emit done"); - } - - c->prog_data.total_grf = num_grf_used(c); - c->prog_data.total_scratch = 0; -} diff --git a/src/mesa/drivers/dri/i965/brw_wm_state.c b/src/mesa/drivers/dri/i965/brw_wm_state.c index 76de7b7b6f..82835470a3 100644 --- a/src/mesa/drivers/dri/i965/brw_wm_state.c +++ b/src/mesa/drivers/dri/i965/brw_wm_state.c @@ -132,7 +132,6 @@ wm_unit_populate_key(struct brw_context *brw, struct brw_wm_unit_key *key) /* _NEW_COLOR */ key->uses_kill = fp->UsesKill || ctx->Color.AlphaEnabled; - key->is_glsl = bfp->isGLSL; /* If using the fragment shader backend, the program is always * 8-wide. diff --git a/src/mesa/drivers/dri/i965/gen6_wm_state.c b/src/mesa/drivers/dri/i965/gen6_wm_state.c index 8968caef51..a039d7df29 100644 --- a/src/mesa/drivers/dri/i965/gen6_wm_state.c +++ b/src/mesa/drivers/dri/i965/gen6_wm_state.c @@ -128,8 +128,8 @@ upload_wm_state(struct brw_context *brw) dw5 |= (40 - 1) << GEN6_WM_MAX_THREADS_SHIFT; - /* BRW_NEW_FRAGMENT_PROGRAM */ - if (fp->isGLSL) + /* CACHE_NEW_WM_PROG */ + if (brw->wm.prog_data->dispatch_width == 8) dw5 |= GEN6_WM_8_DISPATCH_ENABLE; else dw5 |= GEN6_WM_16_DISPATCH_ENABLE; |