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ir_to_mesa: Add (almost) the rest of the builtin varyings.

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This commit is contained in:
Eric Anholt
2010-05-06 13:09:54 -07:00
parent 110d5cc83c
commit 829e0a8eff
2 changed files with 58 additions and 8 deletions
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4
ir.h
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@@ -33,6 +33,10 @@
#include "ir_visitor.h"
#include "ir_hierarchical_visitor.h"
#ifndef ARRAY_SIZE
#define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
#endif
struct ir_program {
void *bong_hits;
};

62
ir_to_mesa.cpp
View File

@@ -418,6 +418,51 @@ ir_to_mesa_visitor::visit(ir_swizzle *ir)
this->result = tree;
}
/* This list should match up with builtin_variables.h */
static const struct {
const char *name;
int file;
int index;
} builtin_var_to_mesa_reg[] = {
/* core_vs */
{"gl_Position", PROGRAM_OUTPUT, VERT_RESULT_HPOS},
{"gl_PointSize", PROGRAM_OUTPUT, VERT_RESULT_PSIZ},
/* core_fs */
{"gl_FragCoord", PROGRAM_INPUT, FRAG_ATTRIB_WPOS},
{"gl_FrontFacing", PROGRAM_INPUT, FRAG_ATTRIB_FACE},
{"gl_FragColor", PROGRAM_INPUT, FRAG_ATTRIB_COL0},
{"gl_FragDepth", PROGRAM_UNDEFINED, FRAG_ATTRIB_WPOS}, /* FINISHME: WPOS.z */
/* 110_deprecated_fs */
{"gl_Color", PROGRAM_INPUT, FRAG_ATTRIB_COL0},
{"gl_SecondaryColor", PROGRAM_INPUT, FRAG_ATTRIB_COL1},
{"gl_FogFragCoord", PROGRAM_INPUT, FRAG_ATTRIB_FOGC},
/* 110_deprecated_vs */
{"gl_Vertex", PROGRAM_INPUT, VERT_ATTRIB_POS},
{"gl_Normal", PROGRAM_INPUT, VERT_ATTRIB_NORMAL},
{"gl_Color", PROGRAM_INPUT, VERT_ATTRIB_COLOR0},
{"gl_SecondaryColor", PROGRAM_INPUT, VERT_ATTRIB_COLOR1},
{"gl_MultiTexCoord0", PROGRAM_INPUT, VERT_ATTRIB_TEX0},
{"gl_MultiTexCoord1", PROGRAM_INPUT, VERT_ATTRIB_TEX1},
{"gl_MultiTexCoord2", PROGRAM_INPUT, VERT_ATTRIB_TEX2},
{"gl_MultiTexCoord3", PROGRAM_INPUT, VERT_ATTRIB_TEX3},
{"gl_MultiTexCoord4", PROGRAM_INPUT, VERT_ATTRIB_TEX4},
{"gl_MultiTexCoord5", PROGRAM_INPUT, VERT_ATTRIB_TEX5},
{"gl_MultiTexCoord6", PROGRAM_INPUT, VERT_ATTRIB_TEX6},
{"gl_MultiTexCoord7", PROGRAM_INPUT, VERT_ATTRIB_TEX7},
{"gl_FogCoord", PROGRAM_INPUT, VERT_RESULT_FOGC},
/*{"gl_ClipVertex", PROGRAM_OUTPUT, VERT_ATTRIB_FOGC},*/ /* FINISHME */
{"gl_FrontColor", PROGRAM_OUTPUT, VERT_RESULT_COL0},
{"gl_BackColor", PROGRAM_OUTPUT, VERT_RESULT_BFC0},
{"gl_FrontSecondaryColor", PROGRAM_OUTPUT, VERT_RESULT_COL1},
{"gl_BackSecondaryColor", PROGRAM_OUTPUT, VERT_RESULT_BFC1},
{"gl_FogFragCoord", PROGRAM_OUTPUT, VERT_RESULT_FOGC},
/* 130_vs */
/*{"gl_VertexID", PROGRAM_INPUT, VERT_ATTRIB_FOGC},*/ /* FINISHME */
};
void
ir_to_mesa_visitor::visit(ir_dereference_variable *ir)
@@ -432,7 +477,7 @@ ir_to_mesa_visitor::visit(ir_dereference_variable *ir)
ir_variable *var = ir->var->as_variable();
/* By the time we make it to this stage, matric`es should be broken down
/* By the time we make it to this stage, matrices should be broken down
* to vectors.
*/
assert(!var->type->is_matrix());
@@ -440,14 +485,15 @@ ir_to_mesa_visitor::visit(ir_dereference_variable *ir)
tree = this->create_tree(MB_TERM_reference_vec4, ir, NULL, NULL);
if (strncmp(var->name, "gl_", 3) == 0) {
if (strcmp(var->name, "gl_FragColor") == 0) {
ir_to_mesa_set_tree_reg(tree, PROGRAM_INPUT, FRAG_ATTRIB_COL0);
} else if (strcmp(var->name, "gl_Position") == 0) {
ir_to_mesa_set_tree_reg(tree, PROGRAM_OUTPUT,
VERT_RESULT_HPOS);
} else {
assert(0);
unsigned int i;
for (i = 0; i < ARRAY_SIZE(builtin_var_to_mesa_reg); i++) {
if (strcmp(var->name, builtin_var_to_mesa_reg[i].name) == 0)
break;
}
assert(i != ARRAY_SIZE(builtin_var_to_mesa_reg));
ir_to_mesa_set_tree_reg(tree, builtin_var_to_mesa_reg[i].file,
builtin_var_to_mesa_reg[i].index);
} else {
this->get_temp_for_var(var, tree);
}