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authorBrian <brian@yutani.localnet.net>2007-03-21 11:57:30 -0600
committerBrian <brian@yutani.localnet.net>2007-03-21 11:57:30 -0600
commit23d31efc167f09d47635352f697ffcb087d3ebbd (patch)
tree782f5bdcda8a4374501cae05a94a024fe1c26777 /src/mesa/drivers/dri/i965
parent180cc2f8458c13ce415f7cdf9a425ae59cb6ad8b (diff)
parent88db19a48412cbe89196b1cc06e8ecf8ccae78b0 (diff)
merge from master
Diffstat (limited to 'src/mesa/drivers/dri/i965')
-rw-r--r--src/mesa/drivers/dri/i965/brw_tex.c3
-rw-r--r--src/mesa/drivers/dri/i965/brw_vs_tnl.c40
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 c3ffa9e657..9d4b9867d2 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 21e961ce9c..35adc4846a 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;
}