diff options
author | José Fonseca <jfonseca@vmware.com> | 2010-01-08 15:42:57 +0000 |
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committer | José Fonseca <jfonseca@vmware.com> | 2010-01-08 15:42:57 +0000 |
commit | 080c40ab32b2abd6d8381b4a0cc143d36a1652b2 (patch) | |
tree | e173767ebc5a82d81b9fc086449d915e29348976 /src/mesa/shader/prog_execute.c | |
parent | 9cdf6f025b2ed55cfb13dd09f870f01d0c7947d3 (diff) | |
parent | a1de400e8de06a80ab140bb0fa950e990607572d (diff) |
Merge remote branch 'origin/master' into lp-binning
Conflicts:
src/gallium/auxiliary/util/u_surface.c
src/gallium/drivers/llvmpipe/Makefile
src/gallium/drivers/llvmpipe/SConscript
src/gallium/drivers/llvmpipe/lp_bld_arit.c
src/gallium/drivers/llvmpipe/lp_bld_flow.c
src/gallium/drivers/llvmpipe/lp_bld_interp.c
src/gallium/drivers/llvmpipe/lp_clear.c
src/gallium/drivers/llvmpipe/lp_context.c
src/gallium/drivers/llvmpipe/lp_context.h
src/gallium/drivers/llvmpipe/lp_draw_arrays.c
src/gallium/drivers/llvmpipe/lp_jit.c
src/gallium/drivers/llvmpipe/lp_jit.h
src/gallium/drivers/llvmpipe/lp_prim_vbuf.c
src/gallium/drivers/llvmpipe/lp_setup.c
src/gallium/drivers/llvmpipe/lp_setup_point.c
src/gallium/drivers/llvmpipe/lp_state.h
src/gallium/drivers/llvmpipe/lp_state_blend.c
src/gallium/drivers/llvmpipe/lp_state_derived.c
src/gallium/drivers/llvmpipe/lp_state_fs.c
src/gallium/drivers/llvmpipe/lp_state_sampler.c
src/gallium/drivers/llvmpipe/lp_state_surface.c
src/gallium/drivers/llvmpipe/lp_tex_cache.c
src/gallium/drivers/llvmpipe/lp_tex_cache.h
src/gallium/drivers/llvmpipe/lp_tex_sample.h
src/gallium/drivers/llvmpipe/lp_tile_cache.c
Diffstat (limited to 'src/mesa/shader/prog_execute.c')
-rw-r--r-- | src/mesa/shader/prog_execute.c | 84 |
1 files changed, 61 insertions, 23 deletions
diff --git a/src/mesa/shader/prog_execute.c b/src/mesa/shader/prog_execute.c index 192d39aed1..7f034520cd 100644 --- a/src/mesa/shader/prog_execute.c +++ b/src/mesa/shader/prog_execute.c @@ -54,8 +54,18 @@ * Set x to positive or negative infinity. */ #if defined(USE_IEEE) || defined(_WIN32) -#define SET_POS_INFINITY(x) ( *((GLuint *) (void *)&x) = 0x7F800000 ) -#define SET_NEG_INFINITY(x) ( *((GLuint *) (void *)&x) = 0xFF800000 ) +#define SET_POS_INFINITY(x) \ + do { \ + fi_type fi; \ + fi.i = 0x7F800000; \ + x = fi.f; \ + } while (0) +#define SET_NEG_INFINITY(x) \ + do { \ + fi_type fi; \ + fi.i = 0xFF800000; \ + x = fi.f; \ + } while (0) #elif defined(VMS) #define SET_POS_INFINITY(x) x = __MAXFLOAT #define SET_NEG_INFINITY(x) x = -__MAXFLOAT @@ -674,9 +684,13 @@ _mesa_execute_program(GLcontext * ctx, break; case OPCODE_BGNLOOP: /* no-op */ + ASSERT(program->Instructions[inst->BranchTarget].Opcode + == OPCODE_ENDLOOP); break; case OPCODE_ENDLOOP: /* subtract 1 here since pc is incremented by for(pc) loop */ + ASSERT(program->Instructions[inst->BranchTarget].Opcode + == OPCODE_BGNLOOP); pc = inst->BranchTarget - 1; /* go to matching BNGLOOP */ break; case OPCODE_BGNSUB: /* begin subroutine */ @@ -684,12 +698,26 @@ _mesa_execute_program(GLcontext * ctx, case OPCODE_ENDSUB: /* end subroutine */ break; case OPCODE_BRA: /* branch (conditional) */ - /* fall-through */ + if (eval_condition(machine, inst)) { + /* take branch */ + /* Subtract 1 here since we'll do pc++ below */ + pc = inst->BranchTarget - 1; + } + break; case OPCODE_BRK: /* break out of loop (conditional) */ - /* fall-through */ + ASSERT(program->Instructions[inst->BranchTarget].Opcode + == OPCODE_ENDLOOP); + if (eval_condition(machine, inst)) { + /* break out of loop */ + /* pc++ at end of for-loop will put us after the ENDLOOP inst */ + pc = inst->BranchTarget; + } + break; case OPCODE_CONT: /* continue loop (conditional) */ + ASSERT(program->Instructions[inst->BranchTarget].Opcode + == OPCODE_ENDLOOP); if (eval_condition(machine, inst)) { - /* take branch */ + /* continue at ENDLOOP */ /* Subtract 1 here since we'll do pc++ at end of for-loop */ pc = inst->BranchTarget - 1; } @@ -882,6 +910,10 @@ _mesa_execute_program(GLcontext * ctx, case OPCODE_IF: { GLboolean cond; + ASSERT(program->Instructions[inst->BranchTarget].Opcode + == OPCODE_ELSE || + program->Instructions[inst->BranchTarget].Opcode + == OPCODE_ENDIF); /* eval condition */ if (inst->SrcReg[0].File != PROGRAM_UNDEFINED) { GLfloat a[4]; @@ -901,14 +933,16 @@ _mesa_execute_program(GLcontext * ctx, else { /* go to the instruction after ELSE or ENDIF */ assert(inst->BranchTarget >= 0); - pc = inst->BranchTarget - 1; + pc = inst->BranchTarget; } } break; case OPCODE_ELSE: /* goto ENDIF */ + ASSERT(program->Instructions[inst->BranchTarget].Opcode + == OPCODE_ENDIF); assert(inst->BranchTarget >= 0); - pc = inst->BranchTarget - 1; + pc = inst->BranchTarget; break; case OPCODE_ENDIF: /* nothing */ @@ -1635,11 +1669,12 @@ _mesa_execute_program(GLcontext * ctx, case OPCODE_UP2H: /* unpack two 16-bit floats */ { GLfloat a[4], result[4]; - const GLuint *rawBits = (const GLuint *) a; + fi_type fi; GLhalfNV hx, hy; fetch_vector1(&inst->SrcReg[0], machine, a); - hx = rawBits[0] & 0xffff; - hy = rawBits[0] >> 16; + fi.f = a[0]; + hx = fi.i & 0xffff; + hy = fi.i >> 16; result[0] = result[2] = _mesa_half_to_float(hx); result[1] = result[3] = _mesa_half_to_float(hy); store_vector4(inst, machine, result); @@ -1648,11 +1683,12 @@ _mesa_execute_program(GLcontext * ctx, case OPCODE_UP2US: /* unpack two GLushorts */ { GLfloat a[4], result[4]; - const GLuint *rawBits = (const GLuint *) a; + fi_type fi; GLushort usx, usy; fetch_vector1(&inst->SrcReg[0], machine, a); - usx = rawBits[0] & 0xffff; - usy = rawBits[0] >> 16; + fi.f = a[0]; + usx = fi.i & 0xffff; + usy = fi.i >> 16; result[0] = result[2] = usx * (1.0f / 65535.0f); result[1] = result[3] = usy * (1.0f / 65535.0f); store_vector4(inst, machine, result); @@ -1661,24 +1697,26 @@ _mesa_execute_program(GLcontext * ctx, case OPCODE_UP4B: /* unpack four GLbytes */ { GLfloat a[4], result[4]; - const GLuint *rawBits = (const GLuint *) a; + fi_type fi; fetch_vector1(&inst->SrcReg[0], machine, a); - result[0] = (((rawBits[0] >> 0) & 0xff) - 128) / 127.0F; - result[1] = (((rawBits[0] >> 8) & 0xff) - 128) / 127.0F; - result[2] = (((rawBits[0] >> 16) & 0xff) - 128) / 127.0F; - result[3] = (((rawBits[0] >> 24) & 0xff) - 128) / 127.0F; + fi.f = a[0]; + result[0] = (((fi.i >> 0) & 0xff) - 128) / 127.0F; + result[1] = (((fi.i >> 8) & 0xff) - 128) / 127.0F; + result[2] = (((fi.i >> 16) & 0xff) - 128) / 127.0F; + result[3] = (((fi.i >> 24) & 0xff) - 128) / 127.0F; store_vector4(inst, machine, result); } break; case OPCODE_UP4UB: /* unpack four GLubytes */ { GLfloat a[4], result[4]; - const GLuint *rawBits = (const GLuint *) a; + fi_type fi; fetch_vector1(&inst->SrcReg[0], machine, a); - result[0] = ((rawBits[0] >> 0) & 0xff) / 255.0F; - result[1] = ((rawBits[0] >> 8) & 0xff) / 255.0F; - result[2] = ((rawBits[0] >> 16) & 0xff) / 255.0F; - result[3] = ((rawBits[0] >> 24) & 0xff) / 255.0F; + fi.f = a[0]; + result[0] = ((fi.i >> 0) & 0xff) / 255.0F; + result[1] = ((fi.i >> 8) & 0xff) / 255.0F; + result[2] = ((fi.i >> 16) & 0xff) / 255.0F; + result[3] = ((fi.i >> 24) & 0xff) / 255.0F; store_vector4(inst, machine, result); } break; |