diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965')
-rw-r--r-- | src/mesa/drivers/dri/i965/brw_tex.c | 3 | ||||
-rw-r--r-- | src/mesa/drivers/dri/i965/brw_vs_tnl.c | 40 |
2 files changed, 24 insertions, 19 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_tex.c b/src/mesa/drivers/dri/i965/brw_tex.c index c3ffa9e6577..9d4b9867d24 100644 --- a/src/mesa/drivers/dri/i965/brw_tex.c +++ b/src/mesa/drivers/dri/i965/brw_tex.c @@ -148,8 +148,9 @@ brwChooseTextureFormat( GLcontext *ctx, GLint internalFormat, return &_mesa_texformat_ycbcr_rev; case GL_COMPRESSED_RGB_FXT1_3DFX: + return &_mesa_texformat_rgb_fxt1; case GL_COMPRESSED_RGBA_FXT1_3DFX: - return &_mesa_texformat_rgb_fxt1; + return &_mesa_texformat_rgba_fxt1; case GL_RGB_S3TC: case GL_RGB4_S3TC: diff --git a/src/mesa/drivers/dri/i965/brw_vs_tnl.c b/src/mesa/drivers/dri/i965/brw_vs_tnl.c index 21e961ce9cd..35adc4846a0 100644 --- a/src/mesa/drivers/dri/i965/brw_vs_tnl.c +++ b/src/mesa/drivers/dri/i965/brw_vs_tnl.c @@ -849,14 +849,13 @@ static struct ureg calculate_light_attenuation( struct tnl_program *p, /* Calculate spot attenuation: */ if (!p->state->unit[i].light_spotcutoff_is_180) { - struct ureg spot_dir = register_param3(p, STATE_LIGHT, i, - STATE_SPOT_DIRECTION); + struct ureg spot_dir_norm = register_param3(p, STATE_INTERNAL, + STATE_SPOT_DIR_NORMALIZED, i); struct ureg spot = get_temp(p); struct ureg slt = get_temp(p); - - emit_normalize_vec3( p, spot, spot_dir ); /* XXX: precompute! */ - emit_op2(p, OPCODE_DP3, spot, 0, ureg_negate(VPpli), spot); - emit_op2(p, OPCODE_SLT, slt, 0, swizzle1(spot_dir,W), spot); + + emit_op2(p, OPCODE_DP3, spot, 0, ureg_negate(VPpli), spot_dir_norm); + emit_op2(p, OPCODE_SLT, slt, 0, swizzle1(spot_dir_norm,W), spot); emit_op2(p, OPCODE_POW, spot, 0, spot, swizzle1(attenuation, W)); emit_op2(p, OPCODE_MUL, att, 0, slt, spot); @@ -894,7 +893,7 @@ static struct ureg calculate_light_attenuation( struct tnl_program *p, /* Need to add some addtional parameters to allow lighting in object - * space - STATE_SPOT_DIRECTION and STATE_HALF implicitly assume eye + * space - STATE_SPOT_DIRECTION and STATE_HALF_VECTOR implicitly assume eye * space lighting. */ static void build_lighting( struct tnl_program *p ) @@ -987,7 +986,14 @@ static void build_lighting( struct tnl_program *p ) */ VPpli = register_param3(p, STATE_LIGHT, i, STATE_POSITION_NORMALIZED); - half = register_param3(p, STATE_LIGHT, i, STATE_HALF_VECTOR); + if (p->state->light_local_viewer) { + struct ureg eye_hat = get_eye_position_normalized(p); + half = get_temp(p); + emit_op2(p, OPCODE_SUB, half, 0, VPpli, eye_hat); + emit_normalize_vec3(p, half, half); + } else { + half = register_param3(p, STATE_LIGHT, i, STATE_HALF_VECTOR); + } } else { struct ureg Ppli = register_param3(p, STATE_LIGHT, i, @@ -1158,7 +1164,8 @@ static void build_fog( struct tnl_program *p ) if (p->state->fog_option && p->state->tnl_do_vertex_fog) { - struct ureg params = register_param1(p, STATE_FOG_PARAMS); + struct ureg params = register_param2(p, STATE_INTERNAL, + STATE_FOG_PARAMS_OPTIMIZED); struct ureg tmp = get_temp(p); struct ureg id = get_identity_param(p); @@ -1166,24 +1173,21 @@ static void build_fog( struct tnl_program *p ) switch (p->state->fog_option) { case FOG_LINEAR: { - emit_op1(p, OPCODE_ABS, tmp, 0, input); - emit_op2(p, OPCODE_SUB, tmp, 0, swizzle1(params,Z), tmp); - emit_op2(p, OPCODE_MUL, tmp, 0, tmp, swizzle1(params,W)); + emit_op1(p, OPCODE_ABS, tmp, 0, input); + emit_op3(p, OPCODE_MAD, tmp, 0, tmp, swizzle1(params,X), swizzle1(params,Y)); emit_op2(p, OPCODE_MAX, tmp, 0, tmp, swizzle1(id,X)); /* saturate */ emit_op2(p, OPCODE_MIN, fog, WRITEMASK_X, tmp, swizzle1(id,W)); break; } case FOG_EXP: emit_op1(p, OPCODE_ABS, tmp, 0, input); - emit_op2(p, OPCODE_MUL, tmp, 0, tmp, swizzle1(params,X)); - emit_op2(p, OPCODE_POW, fog, WRITEMASK_X, - register_const1f(p, M_E), ureg_negate(tmp)); + emit_op2(p, OPCODE_MUL, tmp, 0, tmp, swizzle1(params,Z)); + emit_op1(p, OPCODE_EX2, fog, WRITEMASK_X, ureg_negate(tmp)); break; case FOG_EXP2: - emit_op2(p, OPCODE_MUL, tmp, 0, input, swizzle1(params,X)); + emit_op2(p, OPCODE_MUL, tmp, 0, input, swizzle1(params,W)); emit_op2(p, OPCODE_MUL, tmp, 0, tmp, tmp); - emit_op2(p, OPCODE_POW, fog, WRITEMASK_X, - register_const1f(p, M_E), ureg_negate(tmp)); + emit_op1(p, OPCODE_EX2, fog, WRITEMASK_X, ureg_negate(tmp)); break; } |