diff options
| -rw-r--r-- | src/mesa/main/texenvprogram.c | 43 |
1 files changed, 28 insertions, 15 deletions
diff --git a/src/mesa/main/texenvprogram.c b/src/mesa/main/texenvprogram.c index 7b8a8b85f2..964ba13c70 100644 --- a/src/mesa/main/texenvprogram.c +++ b/src/mesa/main/texenvprogram.c @@ -1415,6 +1415,7 @@ create_new_program(GLcontext *ctx, struct state_key *key, struct texenv_fragment_program p; GLuint unit; struct ureg cf, out; + int i; memset(&p, 0, sizeof(p)); p.state = key; @@ -1436,7 +1437,13 @@ create_new_program(GLcontext *ctx, struct state_key *key, p.program->Base.NumAddressRegs = 0; p.program->Base.Parameters = _mesa_new_parameter_list(); p.program->Base.InputsRead = 0x0; - p.program->Base.OutputsWritten = 1 << FRAG_RESULT_COLOR; + + if (ctx->DrawBuffer->_NumColorDrawBuffers == 1) + p.program->Base.OutputsWritten = 1 << FRAG_RESULT_COLOR; + else { + for (i = 0; i < ctx->DrawBuffer->_NumColorDrawBuffers; i++) + p.program->Base.OutputsWritten |= (1 << (FRAG_RESULT_DATA0 + i)); + } for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) { p.src_texture[unit] = undef; @@ -1485,22 +1492,28 @@ create_new_program(GLcontext *ctx, struct state_key *key, } cf = get_source( &p, SRC_PREVIOUS, 0 ); - out = make_ureg( PROGRAM_OUTPUT, FRAG_RESULT_COLOR ); - if (key->separate_specular) { - /* Emit specular add. - */ - struct ureg s = register_input(&p, FRAG_ATTRIB_COL1); - emit_arith( &p, OPCODE_ADD, out, WRITEMASK_XYZ, 0, cf, s, undef ); - emit_arith( &p, OPCODE_MOV, out, WRITEMASK_W, 0, cf, undef, undef ); - } - else if (memcmp(&cf, &out, sizeof(cf)) != 0) { - /* Will wind up in here if no texture enabled or a couple of - * other scenarios (GL_REPLACE for instance). - */ - emit_arith( &p, OPCODE_MOV, out, WRITEMASK_XYZW, 0, cf, undef, undef ); - } + for (i = 0; i < ctx->DrawBuffer->_NumColorDrawBuffers; i++) { + if (ctx->DrawBuffer->_NumColorDrawBuffers == 1) + out = make_ureg( PROGRAM_OUTPUT, FRAG_RESULT_COLOR ); + else { + out = make_ureg( PROGRAM_OUTPUT, FRAG_RESULT_DATA0 + i ); + } + if (key->separate_specular) { + /* Emit specular add. + */ + struct ureg s = register_input(&p, FRAG_ATTRIB_COL1); + emit_arith( &p, OPCODE_ADD, out, WRITEMASK_XYZ, 0, cf, s, undef ); + emit_arith( &p, OPCODE_MOV, out, WRITEMASK_W, 0, cf, undef, undef ); + } + else if (memcmp(&cf, &out, sizeof(cf)) != 0) { + /* Will wind up in here if no texture enabled or a couple of + * other scenarios (GL_REPLACE for instance). + */ + emit_arith( &p, OPCODE_MOV, out, WRITEMASK_XYZW, 0, cf, undef, undef ); + } + } /* Finish up: */ emit_arith( &p, OPCODE_END, undef, WRITEMASK_XYZW, 0, undef, undef, undef); |