diff options
| author | Keith Whitwell <keith@tungstengraphics.com> | 2008-05-27 10:35:33 +0100 |
|---|---|---|
| committer | Keith Whitwell <keith@tungstengraphics.com> | 2008-05-27 10:35:33 +0100 |
| commit | 2109ddafefde26dd20a1c6a25f594984143944a3 (patch) | |
| tree | 777dfb20608f2a67c30b827068c494766782862b | |
| parent | dc1537bc25c7cbff0a41034ece0830146616f036 (diff) | |
ffvertex: emit full LIT when attenuating (needs the 1 in X position)
| -rw-r--r-- | src/mesa/main/ffvertex_prog.c | 50 | ||||
| -rw-r--r-- | src/mesa/main/light.c | 1 |
2 files changed, 32 insertions, 19 deletions
diff --git a/src/mesa/main/ffvertex_prog.c b/src/mesa/main/ffvertex_prog.c index a790d4b142..2ef3286e57 100644 --- a/src/mesa/main/ffvertex_prog.c +++ b/src/mesa/main/ffvertex_prog.c @@ -1161,15 +1161,6 @@ static void build_lighting( struct tnl_program *p ) struct ureg res0, res1; GLuint mask0, mask1; - if (p->state->material_shininess_is_zero) { - emit_degenerate_lit(p, lit, dots); - } else { - emit_op1(p, OPCODE_LIT, lit, 0, dots); - } - - if (!is_undef(att)) - emit_op2(p, OPCODE_MUL, lit, 0, lit, att); - if (count == nr_lights) { if (separate) { @@ -1191,7 +1182,21 @@ static void build_lighting( struct tnl_program *p ) res1 = _col1; } - emit_op2(p, OPCODE_ADD, _col0, 0, ambient, _col0); + + if (!is_undef(att)) { + emit_op1(p, OPCODE_LIT, lit, 0, dots); + emit_op2(p, OPCODE_MUL, lit, 0, lit, att); + emit_op3(p, OPCODE_MAD, _col0, 0, swizzle1(lit,X), ambient, _col0); + } + else if (!p->state->material_shininess_is_zero) { + emit_op1(p, OPCODE_LIT, lit, 0, dots); + emit_op2(p, OPCODE_ADD, _col0, 0, ambient, _col0); + } + else { + emit_degenerate_lit(p, lit, dots); + emit_op2(p, OPCODE_ADD, _col0, 0, ambient, _col0); + } + emit_op3(p, OPCODE_MAD, res0, mask0, swizzle1(lit,Y), diffuse, _col0); emit_op3(p, OPCODE_MAD, res1, mask1, swizzle1(lit,Z), specular, _col1); @@ -1209,15 +1214,6 @@ static void build_lighting( struct tnl_program *p ) struct ureg res0, res1; GLuint mask0, mask1; - if (p->state->material_shininess_is_zero) { - emit_degenerate_lit(p, lit, negate(swizzle(dots,X,Y,W,Z))); - } else { - emit_op1(p, OPCODE_LIT, lit, 0, negate(swizzle(dots,X,Y,W,Z))); - } - - if (!is_undef(att)) - emit_op2(p, OPCODE_MUL, lit, 0, lit, att); - if (count == nr_lights) { if (separate) { mask0 = WRITEMASK_XYZ; @@ -1238,6 +1234,22 @@ static void build_lighting( struct tnl_program *p ) mask1 = 0; } + dots = negate(swizzle(dots,X,Y,W,Z)); + + if (!is_undef(att)) { + emit_op1(p, OPCODE_LIT, lit, 0, dots); + emit_op2(p, OPCODE_MUL, lit, 0, lit, att); + emit_op3(p, OPCODE_MAD, _bfc0, 0, swizzle1(lit,X), ambient, _bfc0); + } + else if (!p->state->material_shininess_is_zero) { + emit_op1(p, OPCODE_LIT, lit, 0, dots); + emit_op2(p, OPCODE_ADD, _col0, 0, ambient, _col0); + } + else { + emit_degenerate_lit(p, lit, dots); + emit_op2(p, OPCODE_ADD, _col0, 0, ambient, _col0); + } + emit_op2(p, OPCODE_ADD, _bfc0, 0, ambient, _bfc0); emit_op3(p, OPCODE_MAD, res0, mask0, swizzle1(lit,Y), diffuse, _bfc0); emit_op3(p, OPCODE_MAD, res1, mask1, swizzle1(lit,Z), specular, _bfc1); diff --git a/src/mesa/main/light.c b/src/mesa/main/light.c index 6e057614ba..0af647e13c 100644 --- a/src/mesa/main/light.c +++ b/src/mesa/main/light.c @@ -1357,6 +1357,7 @@ _mesa_init_lighting( GLcontext *ctx ) /* Miscellaneous */ ctx->Light._NeedEyeCoords = GL_FALSE; ctx->_NeedEyeCoords = GL_FALSE; + ctx->_ForceEyeCoords = GL_TRUE; ctx->_ModelViewInvScale = 1.0; } |