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-rw-r--r--mesalib/src/mesa/main/ff_fragment_shader.cpp321
1 files changed, 87 insertions, 234 deletions
diff --git a/mesalib/src/mesa/main/ff_fragment_shader.cpp b/mesalib/src/mesa/main/ff_fragment_shader.cpp
index 7b830439d..3c91b1a42 100644
--- a/mesalib/src/mesa/main/ff_fragment_shader.cpp
+++ b/mesalib/src/mesa/main/ff_fragment_shader.cpp
@@ -45,12 +45,15 @@ extern "C" {
#include "main/uniforms.h"
#include "../glsl/glsl_types.h"
#include "../glsl/ir.h"
+#include "../glsl/ir_builder.h"
#include "../glsl/glsl_symbol_table.h"
#include "../glsl/glsl_parser_extras.h"
#include "../glsl/ir_optimization.h"
#include "../glsl/ir_print_visitor.h"
#include "../program/ir_to_mesa.h"
+using namespace ir_builder;
+
/*
* Note on texture units:
*
@@ -508,12 +511,11 @@ static GLuint make_state_key( struct gl_context *ctx, struct state_key *key )
/** State used to build the fragment program:
*/
-struct texenv_fragment_program {
+class texenv_fragment_program : public ir_factory {
+public:
struct gl_shader_program *shader_program;
struct gl_shader *shader;
- exec_list *instructions;
exec_list *top_instructions;
- void *mem_ctx;
struct state_key *state;
ir_variable *src_texture[MAX_TEXTURE_COORD_UNITS];
@@ -621,21 +623,15 @@ emit_combine_source(struct texenv_fragment_program *p,
switch (operand) {
case OPR_ONE_MINUS_SRC_COLOR:
- return new(p->mem_ctx) ir_expression(ir_binop_sub,
- new(p->mem_ctx) ir_constant(1.0f),
- src);
+ return sub(new(p->mem_ctx) ir_constant(1.0f), src);
case OPR_SRC_ALPHA:
- return src->type->is_scalar()
- ? src : (ir_rvalue *) new(p->mem_ctx) ir_swizzle(src, 3, 3, 3, 3, 1);
+ return src->type->is_scalar() ? src : swizzle_w(src);
case OPR_ONE_MINUS_SRC_ALPHA: {
- ir_rvalue *const scalar = (src->type->is_scalar())
- ? src : (ir_rvalue *) new(p->mem_ctx) ir_swizzle(src, 3, 3, 3, 3, 1);
+ ir_rvalue *const scalar = src->type->is_scalar() ? src : swizzle_w(src);
- return new(p->mem_ctx) ir_expression(ir_binop_sub,
- new(p->mem_ctx) ir_constant(1.0f),
- scalar);
+ return sub(new(p->mem_ctx) ir_constant(1.0f), scalar);
}
case OPR_ZERO:
@@ -696,7 +692,7 @@ smear(struct texenv_fragment_program *p, ir_rvalue *val)
if (!val->type->is_scalar())
return val;
- return new(p->mem_ctx) ir_swizzle(val, 0, 0, 0, 0, 4);
+ return swizzle_xxxx(val);
}
static ir_rvalue *
@@ -720,73 +716,52 @@ emit_combine(struct texenv_fragment_program *p,
return src[0];
case MODE_MODULATE:
- return new(p->mem_ctx) ir_expression(ir_binop_mul, src[0], src[1]);
+ return mul(src[0], src[1]);
case MODE_ADD:
- return new(p->mem_ctx) ir_expression(ir_binop_add, src[0], src[1]);
+ return add(src[0], src[1]);
case MODE_ADD_SIGNED:
- tmp0 = new(p->mem_ctx) ir_expression(ir_binop_add, src[0], src[1]);
- return new(p->mem_ctx) ir_expression(ir_binop_add, tmp0,
- new(p->mem_ctx) ir_constant(-0.5f));
+ return add(add(src[0], src[1]), new(p->mem_ctx) ir_constant(-0.5f));
case MODE_INTERPOLATE:
/* Arg0 * (Arg2) + Arg1 * (1-Arg2) */
- tmp0 = new(p->mem_ctx) ir_expression(ir_binop_mul, src[0], src[2]);
-
- tmp1 = new(p->mem_ctx) ir_expression(ir_binop_sub,
- new(p->mem_ctx) ir_constant(1.0f),
- src[2]->clone(p->mem_ctx, NULL));
- tmp1 = new(p->mem_ctx) ir_expression(ir_binop_mul, src[1], tmp1);
-
- return new(p->mem_ctx) ir_expression(ir_binop_add, tmp0, tmp1);
+ tmp0 = mul(src[0], src[2]);
+ tmp1 = mul(src[1], sub(new(p->mem_ctx) ir_constant(1.0f),
+ src[2]->clone(p->mem_ctx, NULL)));
+ return add(tmp0, tmp1);
case MODE_SUBTRACT:
- return new(p->mem_ctx) ir_expression(ir_binop_sub, src[0], src[1]);
+ return sub(src[0], src[1]);
case MODE_DOT3_RGBA:
case MODE_DOT3_RGBA_EXT:
case MODE_DOT3_RGB_EXT:
case MODE_DOT3_RGB: {
- tmp0 = new(p->mem_ctx) ir_expression(ir_binop_mul, src[0],
- new(p->mem_ctx) ir_constant(2.0f));
- tmp0 = new(p->mem_ctx) ir_expression(ir_binop_add, tmp0,
- new(p->mem_ctx) ir_constant(-1.0f));
- tmp0 = new(p->mem_ctx) ir_swizzle(smear(p, tmp0), 0, 1, 2, 3, 3);
-
- tmp1 = new(p->mem_ctx) ir_expression(ir_binop_mul, src[1],
- new(p->mem_ctx) ir_constant(2.0f));
- tmp1 = new(p->mem_ctx) ir_expression(ir_binop_add, tmp1,
- new(p->mem_ctx) ir_constant(-1.0f));
- tmp1 = new(p->mem_ctx) ir_swizzle(smear(p, tmp1), 0, 1, 2, 3, 3);
-
- return new(p->mem_ctx) ir_expression(ir_binop_dot, tmp0, tmp1);
+ tmp0 = mul(src[0], new(p->mem_ctx) ir_constant(2.0f));
+ tmp0 = add(tmp0, new(p->mem_ctx) ir_constant(-1.0f));
+
+ tmp1 = mul(src[1], new(p->mem_ctx) ir_constant(2.0f));
+ tmp1 = add(tmp1, new(p->mem_ctx) ir_constant(-1.0f));
+
+ return dot(swizzle_xyz(smear(p, tmp0)), swizzle_xyz(smear(p, tmp1)));
}
case MODE_MODULATE_ADD_ATI:
- tmp0 = new(p->mem_ctx) ir_expression(ir_binop_mul, src[0], src[2]);
- return new(p->mem_ctx) ir_expression(ir_binop_add, tmp0, src[1]);
+ return add(mul(src[0], src[2]), src[1]);
case MODE_MODULATE_SIGNED_ADD_ATI:
- tmp0 = new(p->mem_ctx) ir_expression(ir_binop_mul, src[0], src[2]);
- tmp0 = new(p->mem_ctx) ir_expression(ir_binop_add, tmp0, src[1]);
- return new(p->mem_ctx) ir_expression(ir_binop_add, tmp0,
- new(p->mem_ctx) ir_constant(-0.5f));
+ return add(add(mul(src[0], src[2]), src[1]),
+ new(p->mem_ctx) ir_constant(-0.5f));
case MODE_MODULATE_SUBTRACT_ATI:
- tmp0 = new(p->mem_ctx) ir_expression(ir_binop_mul, src[0], src[2]);
- return new(p->mem_ctx) ir_expression(ir_binop_sub, tmp0, src[1]);
+ return sub(mul(src[0], src[2]), src[1]);
case MODE_ADD_PRODUCTS:
- tmp0 = new(p->mem_ctx) ir_expression(ir_binop_mul, src[0], src[1]);
- tmp1 = new(p->mem_ctx) ir_expression(ir_binop_mul, src[2], src[3]);
- return new(p->mem_ctx) ir_expression(ir_binop_add, tmp0, tmp1);
+ return add(mul(src[0], src[1]), mul(src[2], src[3]));
case MODE_ADD_PRODUCTS_SIGNED:
- tmp0 = new(p->mem_ctx) ir_expression(ir_binop_mul, src[0], src[1]);
- tmp1 = new(p->mem_ctx) ir_expression(ir_binop_mul, src[2], src[3]);
- tmp0 = new(p->mem_ctx) ir_expression(ir_binop_add, tmp0, tmp1);
- return new(p->mem_ctx) ir_expression(ir_binop_add, tmp0,
- new(p->mem_ctx) ir_constant(-0.5f));
+ return add(add(mul(src[0], src[1]), mul(src[2], src[3])),
+ new(p->mem_ctx) ir_constant(-0.5f));
case MODE_BUMP_ENVMAP_ATI:
/* special - not handled here */
@@ -798,15 +773,6 @@ emit_combine(struct texenv_fragment_program *p,
}
}
-static ir_rvalue *
-saturate(struct texenv_fragment_program *p, ir_rvalue *val)
-{
- val = new(p->mem_ctx) ir_expression(ir_binop_min, val,
- new(p->mem_ctx) ir_constant(1.0f));
- return new(p->mem_ctx) ir_expression(ir_binop_max, val,
- new(p->mem_ctx) ir_constant(0.0f));
-}
-
/**
* Generate instructions for one texture unit's env/combiner mode.
*/
@@ -857,13 +823,8 @@ emit_texenv(struct texenv_fragment_program *p, GLuint unit)
else
alpha_saturate = GL_FALSE;
- ir_variable *temp_var = new(p->mem_ctx) ir_variable(glsl_type::vec4_type,
- "texenv_combine",
- ir_var_temporary);
- p->instructions->push_tail(temp_var);
-
+ ir_variable *temp_var = p->make_temp(glsl_type::vec4_type, "texenv_combine");
ir_dereference *deref;
- ir_assignment *assign;
ir_rvalue *val;
/* Emit the RGB and A combine ops
@@ -876,11 +837,9 @@ emit_texenv(struct texenv_fragment_program *p, GLuint unit)
key->unit[unit].OptRGB);
val = smear(p, val);
if (rgb_saturate)
- val = saturate(p, val);
+ val = saturate(val);
- deref = new(p->mem_ctx) ir_dereference_variable(temp_var);
- assign = new(p->mem_ctx) ir_assignment(deref, val);
- p->instructions->push_tail(assign);
+ p->emit(assign(temp_var, val));
}
else if (key->unit[unit].ModeRGB == MODE_DOT3_RGBA_EXT ||
key->unit[unit].ModeRGB == MODE_DOT3_RGBA) {
@@ -890,10 +849,8 @@ emit_texenv(struct texenv_fragment_program *p, GLuint unit)
key->unit[unit].OptRGB);
val = smear(p, val);
if (rgb_saturate)
- val = saturate(p, val);
- deref = new(p->mem_ctx) ir_dereference_variable(temp_var);
- assign = new(p->mem_ctx) ir_assignment(deref, val);
- p->instructions->push_tail(assign);
+ val = saturate(val);
+ p->emit(assign(temp_var, val));
}
else {
/* Need to do something to stop from re-emitting identical
@@ -903,25 +860,19 @@ emit_texenv(struct texenv_fragment_program *p, GLuint unit)
key->unit[unit].NumArgsRGB,
key->unit[unit].ModeRGB,
key->unit[unit].OptRGB);
- val = smear(p, val);
- val = new(p->mem_ctx) ir_swizzle(val, 0, 1, 2, 3, 3);
+ val = swizzle_xyz(smear(p, val));
if (rgb_saturate)
- val = saturate(p, val);
- deref = new(p->mem_ctx) ir_dereference_variable(temp_var);
- assign = new(p->mem_ctx) ir_assignment(deref, val, NULL, WRITEMASK_XYZ);
- p->instructions->push_tail(assign);
+ val = saturate(val);
+ p->emit(assign(temp_var, val, WRITEMASK_XYZ));
val = emit_combine(p, unit,
key->unit[unit].NumArgsA,
key->unit[unit].ModeA,
key->unit[unit].OptA);
- val = smear(p, val);
- val = new(p->mem_ctx) ir_swizzle(val, 3, 3, 3, 3, 1);
+ val = swizzle_w(smear(p, val));
if (alpha_saturate)
- val = saturate(p, val);
- deref = new(p->mem_ctx) ir_dereference_variable(temp_var);
- assign = new(p->mem_ctx) ir_assignment(deref, val, NULL, WRITEMASK_W);
- p->instructions->push_tail(assign);
+ val = saturate(val);
+ p->emit(assign(temp_var, val, WRITEMASK_W));
}
deref = new(p->mem_ctx) ir_dereference_variable(temp_var);
@@ -945,8 +896,7 @@ emit_texenv(struct texenv_fragment_program *p, GLuint unit)
(ir_constant_data *)const_data);
}
- return saturate(p, new(p->mem_ctx) ir_expression(ir_binop_mul,
- deref, shift));
+ return saturate(mul(deref, shift));
}
else
return deref;
@@ -959,7 +909,6 @@ emit_texenv(struct texenv_fragment_program *p, GLuint unit)
static void load_texture( struct texenv_fragment_program *p, GLuint unit )
{
ir_dereference *deref;
- ir_assignment *assign;
if (p->src_texture[unit])
return;
@@ -981,15 +930,11 @@ static void load_texture( struct texenv_fragment_program *p, GLuint unit )
}
if (!p->state->unit[unit].enabled) {
- p->src_texture[unit] = new(p->mem_ctx) ir_variable(glsl_type::vec4_type,
- "dummy_tex",
- ir_var_temporary);
- p->instructions->push_tail(p->src_texture[unit]);
-
- deref = new(p->mem_ctx) ir_dereference_variable(p->src_texture[unit]);
- assign = new(p->mem_ctx) ir_assignment(deref,
- new(p->mem_ctx) ir_constant(0.0f));
- p->instructions->push_tail(assign);
+ p->src_texture[unit] = p->make_temp(glsl_type::vec4_type,
+ "dummy_tex");
+ p->emit(p->src_texture[unit]);
+
+ p->emit(assign(p->src_texture[unit], new(p->mem_ctx) ir_constant(0.0f)));
return ;
}
@@ -1051,10 +996,8 @@ static void load_texture( struct texenv_fragment_program *p, GLuint unit )
break;
}
- p->src_texture[unit] = new(p->mem_ctx) ir_variable(glsl_type::vec4_type,
- "tex",
- ir_var_temporary);
- p->instructions->push_tail(p->src_texture[unit]);
+ p->src_texture[unit] = p->make_temp(glsl_type::vec4_type,
+ "tex");
ir_texture *tex = new(p->mem_ctx) ir_texture(ir_tex);
@@ -1078,11 +1021,9 @@ static void load_texture( struct texenv_fragment_program *p, GLuint unit )
}
texcoord = texcoord->clone(p->mem_ctx, NULL);
- tex->projector = new(p->mem_ctx) ir_swizzle(texcoord, 3, 0, 0, 0, 1);
+ tex->projector = swizzle_w(texcoord);
- deref = new(p->mem_ctx) ir_dereference_variable(p->src_texture[unit]);
- assign = new(p->mem_ctx) ir_assignment(deref, tex);
- p->instructions->push_tail(assign);
+ p->emit(assign(p->src_texture[unit], tex));
}
static void
@@ -1142,13 +1083,10 @@ load_texunit_bumpmap( struct texenv_fragment_program *p, GLuint unit )
GLuint bumpedUnitNr = key->unit[unit].OptRGB[1].Source - SRC_TEXTURE0;
ir_rvalue *bump;
ir_rvalue *texcoord;
- ir_variable *rot_mat_0_var, *rot_mat_1_var;
- ir_dereference_variable *rot_mat_0, *rot_mat_1;
+ ir_variable *rot_mat_0, *rot_mat_1;
- rot_mat_0_var = p->shader->symbols->get_variable("gl_BumpRotMatrix0MESA");
- rot_mat_1_var = p->shader->symbols->get_variable("gl_BumpRotMatrix1MESA");
- rot_mat_0 = new(p->mem_ctx) ir_dereference_variable(rot_mat_0_var);
- rot_mat_1 = new(p->mem_ctx) ir_dereference_variable(rot_mat_1_var);
+ rot_mat_0 = p->shader->symbols->get_variable("gl_BumpRotMatrix0MESA");
+ rot_mat_1 = p->shader->symbols->get_variable("gl_BumpRotMatrix1MESA");
ir_variable *tc_array = p->shader->symbols->get_variable("gl_TexCoord");
assert(tc_array);
@@ -1163,44 +1101,22 @@ load_texunit_bumpmap( struct texenv_fragment_program *p, GLuint unit )
* dest = Arg1 + (Arg0.xx * rotMat0) + (Arg0.yy * rotMat1)
* note only 2 coords are affected the rest are left unchanged (mul by 0)
*/
- ir_dereference *deref;
- ir_assignment *assign;
ir_rvalue *bump_x, *bump_y;
texcoord = smear(p, texcoord);
/* bump_texcoord = texcoord */
- ir_variable *bumped = new(p->mem_ctx) ir_variable(texcoord->type,
- "bump_texcoord",
- ir_var_temporary);
- p->instructions->push_tail(bumped);
-
- deref = new(p->mem_ctx) ir_dereference_variable(bumped);
- assign = new(p->mem_ctx) ir_assignment(deref, texcoord);
- p->instructions->push_tail(assign);
+ ir_variable *bumped = p->make_temp(texcoord->type, "bump_texcoord");
+ p->emit(bumped);
+ p->emit(assign(bumped, texcoord));
/* bump_texcoord.xy += arg0.x * rotmat0 + arg0.y * rotmat1 */
bump = get_source(p, key->unit[unit].OptRGB[0].Source, unit);
- bump_x = new(p->mem_ctx) ir_swizzle(bump, 0, 0, 0, 0, 1);
- bump = bump->clone(p->mem_ctx, NULL);
- bump_y = new(p->mem_ctx) ir_swizzle(bump, 1, 0, 0, 0, 1);
-
- bump_x = new(p->mem_ctx) ir_expression(ir_binop_mul, bump_x, rot_mat_0);
- bump_y = new(p->mem_ctx) ir_expression(ir_binop_mul, bump_y, rot_mat_1);
-
- ir_expression *expr;
- expr = new(p->mem_ctx) ir_expression(ir_binop_add, bump_x, bump_y);
+ bump_x = mul(swizzle_x(bump), rot_mat_0);
+ bump_y = mul(swizzle_y(bump->clone(p->mem_ctx, NULL)), rot_mat_1);
- deref = new(p->mem_ctx) ir_dereference_variable(bumped);
- expr = new(p->mem_ctx) ir_expression(ir_binop_add,
- new(p->mem_ctx) ir_swizzle(deref,
- 0, 1, 1, 1,
- 2),
- expr);
-
- deref = new(p->mem_ctx) ir_dereference_variable(bumped);
- assign = new(p->mem_ctx) ir_assignment(deref, expr, NULL, WRITEMASK_XY);
- p->instructions->push_tail(assign);
+ p->emit(assign(bumped, add(swizzle_xy(bumped), add(bump_x, bump_y)),
+ WRITEMASK_XY));
p->texcoord_tex[bumpedUnitNr] = bumped;
}
@@ -1220,31 +1136,22 @@ emit_fog_instructions(struct texenv_fragment_program *p,
ir_rvalue *f, *temp;
ir_variable *params, *oparams;
ir_variable *fogcoord;
- ir_assignment *assign;
/* Temporary storage for the whole fog result. Fog calculations
* only affect rgb so we're hanging on to the .a value of fragcolor
* this way.
*/
- ir_variable *fog_result = new(p->mem_ctx) ir_variable(glsl_type::vec4_type,
- "fog_result",
- ir_var_auto);
- p->instructions->push_tail(fog_result);
- temp = new(p->mem_ctx) ir_dereference_variable(fog_result);
- assign = new(p->mem_ctx) ir_assignment(temp, fragcolor);
- p->instructions->push_tail(assign);
+ ir_variable *fog_result = p->make_temp(glsl_type::vec4_type, "fog_result");
+ p->emit(assign(fog_result, fragcolor));
- temp = new(p->mem_ctx) ir_dereference_variable(fog_result);
- fragcolor = new(p->mem_ctx) ir_swizzle(temp, 0, 1, 2, 3, 3);
+ fragcolor = swizzle_xyz(fog_result);
oparams = p->shader->symbols->get_variable("gl_FogParamsOptimizedMESA");
fogcoord = p->shader->symbols->get_variable("gl_FogFragCoord");
params = p->shader->symbols->get_variable("gl_Fog");
f = new(p->mem_ctx) ir_dereference_variable(fogcoord);
- ir_variable *f_var = new(p->mem_ctx) ir_variable(glsl_type::float_type,
- "fog_factor", ir_var_auto);
- p->instructions->push_tail(f_var);
+ ir_variable *f_var = p->make_temp(glsl_type::float_type, "fog_factor");
switch (key->fog_mode) {
case FOG_LINEAR:
@@ -1253,13 +1160,7 @@ emit_fog_instructions(struct texenv_fragment_program *p,
* gl_MesaFogParamsOptimized gives us (-1 / (end - start)) and
* (end / (end - start)) so we can generate a single MAD.
*/
- temp = new(p->mem_ctx) ir_dereference_variable(oparams);
- temp = new(p->mem_ctx) ir_swizzle(temp, 0, 0, 0, 0, 1);
- f = new(p->mem_ctx) ir_expression(ir_binop_mul, f, temp);
-
- temp = new(p->mem_ctx) ir_dereference_variable(oparams);
- temp = new(p->mem_ctx) ir_swizzle(temp, 1, 0, 0, 0, 1);
- f = new(p->mem_ctx) ir_expression(ir_binop_add, f, temp);
+ f = add(mul(f, swizzle_x(oparams)), swizzle_y(oparams));
break;
case FOG_EXP:
/* f = e^(-(density * fogcoord))
@@ -1268,9 +1169,7 @@ emit_fog_instructions(struct texenv_fragment_program *p,
* use EXP2 which is generally the native instruction without
* having to do any further math on the fog density uniform.
*/
- temp = new(p->mem_ctx) ir_dereference_variable(oparams);
- temp = new(p->mem_ctx) ir_swizzle(temp, 2, 0, 0, 0, 1);
- f = new(p->mem_ctx) ir_expression(ir_binop_mul, f, temp);
+ f = mul(f, swizzle_z(oparams));
f = new(p->mem_ctx) ir_expression(ir_unop_neg, f);
f = new(p->mem_ctx) ir_expression(ir_unop_exp2, f);
break;
@@ -1281,50 +1180,23 @@ emit_fog_instructions(struct texenv_fragment_program *p,
* can do this like FOG_EXP but with a squaring after the
* multiply by density.
*/
- ir_variable *temp_var = new(p->mem_ctx) ir_variable(glsl_type::float_type,
- "fog_temp",
- ir_var_auto);
- p->instructions->push_tail(temp_var);
-
- temp = new(p->mem_ctx) ir_dereference_variable(oparams);
- temp = new(p->mem_ctx) ir_swizzle(temp, 3, 0, 0, 0, 1);
- f = new(p->mem_ctx) ir_expression(ir_binop_mul,
- f, temp);
-
- temp = new(p->mem_ctx) ir_dereference_variable(temp_var);
- ir_assignment *assign = new(p->mem_ctx) ir_assignment(temp, f);
- p->instructions->push_tail(assign);
-
- f = new(p->mem_ctx) ir_dereference_variable(temp_var);
- temp = new(p->mem_ctx) ir_dereference_variable(temp_var);
- f = new(p->mem_ctx) ir_expression(ir_binop_mul, f, temp);
+ ir_variable *temp_var = p->make_temp(glsl_type::float_type, "fog_temp");
+ p->emit(assign(temp_var, mul(f, swizzle_w(oparams))));
+
+ f = mul(temp_var, temp_var);
f = new(p->mem_ctx) ir_expression(ir_unop_neg, f);
f = new(p->mem_ctx) ir_expression(ir_unop_exp2, f);
break;
}
- f = saturate(p, f);
+ p->emit(assign(f_var, saturate(f)));
- temp = new(p->mem_ctx) ir_dereference_variable(f_var);
- assign = new(p->mem_ctx) ir_assignment(temp, f);
- p->instructions->push_tail(assign);
-
- f = new(p->mem_ctx) ir_dereference_variable(f_var);
- f = new(p->mem_ctx) ir_expression(ir_binop_sub,
- new(p->mem_ctx) ir_constant(1.0f),
- f);
+ f = sub(new(p->mem_ctx) ir_constant(1.0f), f_var);
temp = new(p->mem_ctx) ir_dereference_variable(params);
temp = new(p->mem_ctx) ir_dereference_record(temp, "color");
- temp = new(p->mem_ctx) ir_swizzle(temp, 0, 1, 2, 3, 3);
- temp = new(p->mem_ctx) ir_expression(ir_binop_mul, temp, f);
-
- f = new(p->mem_ctx) ir_dereference_variable(f_var);
- f = new(p->mem_ctx) ir_expression(ir_binop_mul, fragcolor, f);
- f = new(p->mem_ctx) ir_expression(ir_binop_add, temp, f);
+ temp = mul(swizzle_xyz(temp), f);
- ir_dereference *deref = new(p->mem_ctx) ir_dereference_variable(fog_result);
- assign = new(p->mem_ctx) ir_assignment(deref, f, NULL, WRITEMASK_XYZ);
- p->instructions->push_tail(assign);
+ p->emit(assign(fog_result, add(temp, mul(fragcolor, f_var)), WRITEMASK_XYZ));
return new(p->mem_ctx) ir_dereference_variable(fog_result);
}
@@ -1363,40 +1235,24 @@ emit_instructions(struct texenv_fragment_program *p)
}
ir_rvalue *cf = get_source(p, SRC_PREVIOUS, 0);
- ir_dereference_variable *deref;
- ir_assignment *assign;
if (key->separate_specular) {
- ir_rvalue *tmp0;
- ir_variable *spec_result = new(p->mem_ctx) ir_variable(glsl_type::vec4_type,
- "specular_add",
- ir_var_temporary);
-
- p->instructions->push_tail(spec_result);
-
- deref = new(p->mem_ctx) ir_dereference_variable(spec_result);
- assign = new(p->mem_ctx) ir_assignment(deref, cf);
- p->instructions->push_tail(assign);
-
- deref = new(p->mem_ctx) ir_dereference_variable(spec_result);
- tmp0 = new(p->mem_ctx) ir_swizzle(deref, 0, 1, 2, 3, 3);
+ ir_variable *spec_result = p->make_temp(glsl_type::vec4_type,
+ "specular_add");
+ p->emit(assign(spec_result, cf));
ir_rvalue *secondary;
if (p->state->inputs_available & FRAG_BIT_COL1) {
ir_variable *var =
p->shader->symbols->get_variable("gl_SecondaryColor");
assert(var);
- secondary = new(p->mem_ctx) ir_dereference_variable(var);
+ secondary = swizzle_xyz(var);
} else {
- secondary = get_current_attrib(p, VERT_ATTRIB_COLOR1);
+ secondary = swizzle_xyz(get_current_attrib(p, VERT_ATTRIB_COLOR1));
}
- secondary = new(p->mem_ctx) ir_swizzle(secondary, 0, 1, 2, 3, 3);
-
- tmp0 = new(p->mem_ctx) ir_expression(ir_binop_add, tmp0, secondary);
- deref = new(p->mem_ctx) ir_dereference_variable(spec_result);
- assign = new(p->mem_ctx) ir_assignment(deref, tmp0, NULL, WRITEMASK_XYZ);
- p->instructions->push_tail(assign);
+ p->emit(assign(spec_result, add(swizzle_xyz(spec_result), secondary),
+ WRITEMASK_XYZ));
cf = new(p->mem_ctx) ir_dereference_variable(spec_result);
}
@@ -1407,9 +1263,7 @@ emit_instructions(struct texenv_fragment_program *p)
ir_variable *frag_color = p->shader->symbols->get_variable("gl_FragColor");
assert(frag_color);
- deref = new(p->mem_ctx) ir_dereference_variable(frag_color);
- assign = new(p->mem_ctx) ir_assignment(deref, cf);
- p->instructions->push_tail(assign);
+ p->emit(assign(frag_color, cf));
}
/**
@@ -1419,11 +1273,10 @@ emit_instructions(struct texenv_fragment_program *p)
static struct gl_shader_program *
create_new_program(struct gl_context *ctx, struct state_key *key)
{
- struct texenv_fragment_program p;
+ texenv_fragment_program p;
unsigned int unit;
_mesa_glsl_parse_state *state;
- memset(&p, 0, sizeof(p));
p.mem_ctx = ralloc_context(NULL);
p.shader = ctx->Driver.NewShader(ctx, 0, GL_FRAGMENT_SHADER);
p.shader->ir = new(p.shader) exec_list;
@@ -1457,7 +1310,7 @@ create_new_program(struct gl_context *ctx, struct state_key *key)
p.src_previous = NULL;
ir_function *main_f = new(p.mem_ctx) ir_function("main");
- p.instructions->push_tail(main_f);
+ p.emit(main_f);
state->symbols->add_function(main_f);
ir_function_signature *main_sig =
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-04 01:58:21 +0000