#include "glheader.h"
#include "macros.h"
#include "enums.h"
+#include "shader/prog_parameter.h"
+#include "shader/prog_print.h"
#include "brw_vs.h"
#include "brw_state.h"
-#include "shader/program.h"
-#include "shader/program_instruction.h"
-#include "shader/arbprogparse.h"
struct state_key {
unsigned light_global_enabled:1;
{
GLfloat values[4];
GLint idx;
+ GLuint swizzle;
values[0] = s0;
values[1] = s1;
values[2] = s2;
values[3] = s3;
- idx = _mesa_add_unnamed_constant( p->program->Base.Parameters, values, 4 );
+ idx = _mesa_add_unnamed_constant( p->program->Base.Parameters, values, 4,
+ &swizzle);
+ /* XXX what about swizzle? */
return make_ureg(PROGRAM_STATE_VAR, idx);
}
return p->identity;
}
-static struct ureg register_param6( struct tnl_program *p,
- GLint s0,
- GLint s1,
- GLint s2,
- GLint s3,
- GLint s4,
- GLint s5)
+static struct ureg register_param5( struct tnl_program *p,
+ GLint s0,
+ GLint s1,
+ GLint s2,
+ GLint s3,
+ GLint s4)
{
- GLint tokens[6];
+ gl_state_index tokens[STATE_LENGTH];
GLint idx;
tokens[0] = s0;
tokens[1] = s1;
tokens[2] = s2;
tokens[3] = s3;
tokens[4] = s4;
- tokens[5] = s5;
idx = _mesa_add_state_reference( p->program->Base.Parameters, tokens );
return make_ureg(PROGRAM_STATE_VAR, idx);
}
-#define register_param1(p,s0) register_param6(p,s0,0,0,0,0,0)
-#define register_param2(p,s0,s1) register_param6(p,s0,s1,0,0,0,0)
-#define register_param3(p,s0,s1,s2) register_param6(p,s0,s1,s2,0,0,0)
-#define register_param4(p,s0,s1,s2,s3) register_param6(p,s0,s1,s2,s3,0,0)
+#define register_param1(p,s0) register_param5(p,s0,0,0,0,0)
+#define register_param2(p,s0,s1) register_param5(p,s0,s1,0,0,0)
+#define register_param3(p,s0,s1,s2) register_param5(p,s0,s1,s2,0,0)
+#define register_param4(p,s0,s1,s2,s3) register_param5(p,s0,s1,s2,s3,0)
-static void register_matrix_param6( struct tnl_program *p,
- GLint s0,
- GLint s1,
- GLint s2,
- GLint s3,
- GLint s4,
- GLint s5,
+static void register_matrix_param5( struct tnl_program *p,
+ GLint s0, /* matrix name */
+ GLint s1, /* texture matrix number */
+ GLint s2, /* first row */
+ GLint s3, /* last row */
+ GLint s4, /* modifier */
struct ureg *matrix )
{
GLint i;
/* This is a bit sad as the support is there to pull the whole
* matrix out in one go:
*/
- for (i = 0; i <= s4 - s3; i++)
- matrix[i] = register_param6( p, s0, s1, s2, i, i, s5 );
+ for (i = 0; i <= s3 - s2; i++)
+ matrix[i] = register_param5( p, s0, s1, i, i, s4 );
}
p->eye_position = reserve_temp(p);
if (PREFER_DP4) {
- register_matrix_param6( p, STATE_MATRIX, STATE_MODELVIEW, 0, 0, 3,
- STATE_MATRIX, modelview );
+ register_matrix_param5( p, STATE_MODELVIEW_MATRIX, 0, 0, 3,
+ 0, modelview );
emit_matrix_transform_vec4(p, p->eye_position, modelview, pos);
}
else {
- register_matrix_param6( p, STATE_MATRIX, STATE_MODELVIEW, 0, 0, 3,
+ register_matrix_param5( p, STATE_MODELVIEW_MATRIX, 0, 0, 3,
STATE_MATRIX_TRANSPOSE, modelview );
emit_transpose_matrix_transform_vec4(p, p->eye_position, modelview, pos);
struct ureg normal = register_input(p, VERT_ATTRIB_NORMAL );
struct ureg mvinv[3];
- register_matrix_param6( p, STATE_MATRIX, STATE_MODELVIEW, 0, 0, 2,
+ register_matrix_param5( p, STATE_MODELVIEW_MATRIX, 0, 0, 2,
STATE_MATRIX_INVTRANS, mvinv );
p->eye_normal = reserve_temp(p);
struct ureg mvp[4];
if (PREFER_DP4) {
- register_matrix_param6( p, STATE_MATRIX, STATE_MVP, 0, 0, 3,
- STATE_MATRIX, mvp );
+ register_matrix_param5( p, STATE_MVP_MATRIX, 0, 0, 3,
+ 0, mvp );
emit_matrix_transform_vec4( p, hpos, mvp, pos );
}
else {
- register_matrix_param6( p, STATE_MATRIX, STATE_MVP, 0, 0, 3,
+ register_matrix_param5( p, STATE_MVP_MATRIX, 0, 0, 3,
STATE_MATRIX_TRANSPOSE, mvp );
emit_transpose_matrix_transform_vec4( p, hpos, mvp, pos );
}
/* 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);
/* 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 )
*/
VPpli = register_param3(p, STATE_LIGHT, i,
STATE_POSITION_NORMALIZED);
- half = register_param3(p, STATE_LIGHT, i, STATE_HALF);
+ 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,
STATE_POSITION);
struct ureg V = get_eye_position(p);
struct ureg dist = get_temp(p);
+ struct ureg tmpPpli = get_temp(p);
VPpli = get_temp(p);
half = get_temp(p);
+
+ /* In homogeneous object coordinates
+ */
+ emit_op1(p, OPCODE_RCP, dist, 0, swizzle1(Ppli, W));
+ emit_op2(p, OPCODE_MUL, tmpPpli, 0, Ppli, dist);
/* Calulate VPpli vector
*/
- emit_op2(p, OPCODE_SUB, VPpli, 0, Ppli, V);
+ emit_op2(p, OPCODE_SUB, VPpli, 0, tmpPpli, V);
/* Normalize VPpli. The dist value also used in
* attenuation below.
emit_normalize_vec3(p, half, half);
release_temp(p, dist);
+ release_temp(p, tmpPpli);
}
/* Calculate dot products:
{
struct ureg fog = register_output(p, VERT_RESULT_FOGC);
struct ureg input;
-
+ GLuint useabs = p->state->fog_source_is_depth && p->state->fog_option &&
+ (p->state->fog_option != FOG_EXP2);
+
if (p->state->fog_source_is_depth) {
input = swizzle1(get_eye_position(p), Z);
}
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);
emit_op1(p, OPCODE_MOV, fog, 0, id);
+ if (useabs) {
+ emit_op1(p, OPCODE_ABS, tmp, 0, input);
+ }
+
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_op3(p, OPCODE_MAD, tmp, 0, useabs ? tmp : input,
+ 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, useabs ? tmp : input,
+ 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, tmp, tmp);
- emit_op2(p, OPCODE_POW, fog, WRITEMASK_X,
- register_const1f(p, M_E), ureg_negate(tmp));
+ emit_op2(p, OPCODE_MUL, tmp, 0, input, swizzle1(params,W));
+ emit_op2(p, OPCODE_MUL, tmp, 0, tmp, tmp);
+ emit_op1(p, OPCODE_EX2, fog, WRITEMASK_X, ureg_negate(tmp));
break;
}
-
+
release_temp(p, tmp);
}
else {
*
* KW: Is it really necessary to do anything in this case?
*/
- emit_op1(p, OPCODE_MOV, fog, 0, input);
+ emit_op1(p, useabs ? OPCODE_ABS : OPCODE_MOV, fog, 0, input);
}
}
out_texgen :
register_input(p, VERT_ATTRIB_TEX0+i));
if (PREFER_DP4) {
- register_matrix_param6( p, STATE_MATRIX, STATE_TEXTURE, i,
- 0, 3, STATE_MATRIX, texmat );
+ register_matrix_param5( p, STATE_TEXTURE_MATRIX, i, 0, 3,
+ 0, texmat );
emit_matrix_transform_vec4( p, out, texmat, in );
}
else {
- register_matrix_param6( p, STATE_MATRIX, STATE_TEXTURE, i,
- 0, 3, STATE_MATRIX_TRANSPOSE, texmat );
+ register_matrix_param5( p, STATE_TEXTURE_MATRIX, i, 0, 3,
+ STATE_MATRIX_TRANSPOSE, texmat );
emit_transpose_matrix_transform_vec4( p, out, texmat, in );
}
}
projects / mesa.git / blobdiff