diff options
author | Nicolai Hähnle <nhaehnle@gmail.com> | 2009-09-21 13:26:50 +0200 |
---|---|---|
committer | Nicolai Hähnle <nhaehnle@gmail.com> | 2009-09-21 13:26:50 +0200 |
commit | 81c7561d9d3faf70ac22c6a5f3fbea18f53eed92 (patch) | |
tree | 5ec097e0e1fe99804104d3a56923c16edf1533aa /src/mesa/drivers/dri/i965/brw_wm_glsl.c | |
parent | f02f63997ce65530788a6dfcb28f11790a14d938 (diff) | |
parent | 3083ba38f4c884b32cd0460607b5064b6b7008d2 (diff) |
Merge branch 'master' into r300-compiler
There were additional non-textual conflicts.
Conflicts:
src/gallium/drivers/r300/r300_tgsi_to_rc.c
src/mesa/drivers/dri/r300/compiler/r3xx_vertprog.c
src/mesa/drivers/dri/r300/compiler/radeon_program.c
src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_wm_glsl.c')
-rw-r--r-- | src/mesa/drivers/dri/i965/brw_wm_glsl.c | 94 |
1 files changed, 33 insertions, 61 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_wm_glsl.c b/src/mesa/drivers/dri/i965/brw_wm_glsl.c index 7c210abbce..c9fe1dd8ad 100644 --- a/src/mesa/drivers/dri/i965/brw_wm_glsl.c +++ b/src/mesa/drivers/dri/i965/brw_wm_glsl.c @@ -22,6 +22,7 @@ static struct brw_reg get_dst_reg(struct brw_wm_compile *c, GLboolean brw_wm_is_glsl(const struct gl_fragment_program *fp) { int i; + for (i = 0; i < fp->Base.NumInstructions; i++) { const struct prog_instruction *inst = &fp->Base.Instructions[i]; switch (inst->Opcode) { @@ -31,8 +32,6 @@ GLboolean brw_wm_is_glsl(const struct gl_fragment_program *fp) case OPCODE_CAL: case OPCODE_BRK: case OPCODE_RET: - case OPCODE_DDX: - case OPCODE_DDY: case OPCODE_NOISE1: case OPCODE_NOISE2: case OPCODE_NOISE3: @@ -293,7 +292,7 @@ static void prealloc_reg(struct brw_wm_compile *c) int i, j; struct brw_reg reg; int urb_read_length = 0; - GLuint inputs = FRAG_BIT_WPOS | c->fp_interp_emitted | c->fp_deriv_emitted; + GLuint inputs = FRAG_BIT_WPOS | c->fp_interp_emitted; GLuint reg_index = 0; memset(c->used_grf, GL_FALSE, sizeof(c->used_grf)); @@ -1474,61 +1473,6 @@ static void emit_sne(struct brw_wm_compile *c, emit_sop(c, inst, BRW_CONDITIONAL_NEQ); } -static void emit_ddx(struct brw_wm_compile *c, - const struct prog_instruction *inst) -{ - struct brw_compile *p = &c->func; - GLuint mask = inst->DstReg.WriteMask; - struct brw_reg interp[4]; - struct brw_reg dst; - struct brw_reg src0, w; - GLuint nr, i; - src0 = get_src_reg(c, inst, 0, 0); - w = get_src_reg(c, inst, 1, 3); - nr = src0.nr; - 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); - brw_set_saturate(p, inst->SaturateMode != SATURATE_OFF); - for(i = 0; i < 4; i++ ) { - if (mask & (1<<i)) { - dst = get_dst_reg(c, inst, i); - brw_MOV(p, dst, interp[i]); - brw_MUL(p, dst, dst, w); - } - } - brw_set_saturate(p, 0); -} - -static void emit_ddy(struct brw_wm_compile *c, - const struct prog_instruction *inst) -{ - struct brw_compile *p = &c->func; - GLuint mask = inst->DstReg.WriteMask; - struct brw_reg interp[4]; - struct brw_reg dst; - struct brw_reg src0, w; - GLuint nr, i; - - src0 = get_src_reg(c, inst, 0, 0); - nr = src0.nr; - w = get_src_reg(c, inst, 1, 3); - 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); - brw_set_saturate(p, inst->SaturateMode != SATURATE_OFF); - for(i = 0; i < 4; i++ ) { - if (mask & (1<<i)) { - dst = get_dst_reg(c, inst, i); - brw_MOV(p, dst, suboffset(interp[i], 1)); - brw_MUL(p, dst, dst, w); - } - } - 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 ), @@ -2780,6 +2724,21 @@ 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 *regs, + int mask) +{ + int i; + + for (i = 0; i < 4; i++) { + if (mask & (1 << i)) + regs[i] = get_src_reg(c, inst, index, i); + } +} + static void brw_wm_emit_glsl(struct brw_context *brw, struct brw_wm_compile *c) { #define MAX_IF_DEPTH 32 @@ -2797,6 +2756,9 @@ static void brw_wm_emit_glsl(struct brw_context *brw, struct brw_wm_compile *c) 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; c->cur_inst = i; @@ -2814,6 +2776,10 @@ static void brw_wm_emit_glsl(struct brw_context *brw, struct brw_wm_compile *c) else brw_set_conditionalmod(p, BRW_CONDITIONAL_NONE); + dst_flags = inst->DstReg.WriteMask; + if (inst->SaturateMode == SATURATE_ZERO_ONE) + dst_flags |= SATURATE; + switch (inst->Opcode) { case WM_PIXELXY: emit_pixel_xy(c, inst); @@ -2899,10 +2865,16 @@ static void brw_wm_emit_glsl(struct brw_context *brw, struct brw_wm_compile *c) emit_min_max(c, inst); break; case OPCODE_DDX: - emit_ddx(c, inst); - break; case OPCODE_DDY: - emit_ddy(c, inst); + 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(); + } + get_argument_regs(c, inst, 0, args[0], WRITEMASK_XYZW); + emit_ddxy(p, dst, dst_flags, (inst->Opcode == OPCODE_DDX), + args[0]); break; case OPCODE_SLT: emit_slt(c, inst); |