#include "glheader.h"
#include "imports.h"
-#include "shader/program.h"
-#include "shader/prog_parameter.h"
-#include "shader/prog_cache.h"
-#include "shader/prog_instruction.h"
-#include "shader/prog_print.h"
-#include "shader/prog_statevars.h"
-#include "shader/programopt.h"
+#include "program/program.h"
+#include "program/prog_parameter.h"
+#include "program/prog_cache.h"
+#include "program/prog_instruction.h"
+#include "program/prog_print.h"
+#include "program/prog_statevars.h"
+#include "program/programopt.h"
#include "texenvprogram.h"
GLuint fog_enabled:1;
GLuint fog_mode:2; /**< FOG_x */
GLuint inputs_available:12;
+ GLuint num_draw_buffers:4;
/* NOTE: This array of structs must be last! (see "keySize" below) */
struct {
GLuint NumArgsA:3; /**< up to MAX_COMBINER_TERMS */
GLuint ModeA:5; /**< MODE_x */
+ GLuint texture_cyl_wrap:1; /**< For gallium test/debug only */
+
struct mode_opt OptRGB[MAX_COMBINER_TERMS];
struct mode_opt OptA[MAX_COMBINER_TERMS];
} unit[MAX_TEXTURE_UNITS];
key->unit[i].OptRGB[1].Operand = OPR_SRC_COLOR;
key->unit[i].OptRGB[1].Source = texUnit->BumpTarget - GL_TEXTURE0 + SRC_TEXTURE0;
}
+
+ /* this is a back-door for enabling cylindrical texture wrap mode */
+ if (texObj->Priority == 0.125)
+ key->unit[i].texture_cyl_wrap = 1;
}
/* _NEW_LIGHT | _NEW_FOG */
inputs_referenced |= FRAG_BIT_FOGC; /* maybe */
}
+ /* _NEW_BUFFERS */
+ key->num_draw_buffers = ctx->DrawBuffer->_NumColorDrawBuffers;
+
key->inputs_available = (inputs_available & inputs_referenced);
/* compute size of state key, ignoring unused texture units */
if (!bit) {
_mesa_problem(NULL, "%s: out of temporaries\n", __FILE__);
- _mesa_exit(1);
+ exit(1);
}
if ((GLuint) bit > p->program->Base.NumTemporaries)
if (!bit) {
_mesa_problem(NULL, "%s: out of temporaries\n", __FILE__);
- _mesa_exit(1);
+ exit(1);
}
if ((GLuint) bit > p->program->Base.NumTemporaries)
assert(nr <= MAX_COMBINER_TERMS);
- tmp = undef; /* silence warning (bug 5318) */
-
for (i = 0; i < nr; i++)
src[i] = emit_combine_source( p, mask, unit, opt[i].Source, opt[i].Operand );
emit_arith( p, OPCODE_MAD, tmp0, WRITEMASK_XYZW, 0,
two, src[0], neg1);
- if (_mesa_memcmp(&src[0], &src[1], sizeof(struct ureg)) == 0)
+ if (memcmp(&src[0], &src[1], sizeof(struct ureg)) == 0)
tmp1 = tmp0;
else
emit_arith( p, OPCODE_MAD, tmp1, WRITEMASK_XYZW, 0,
else
alpha_saturate = GL_FALSE;
- /* If this is the very last calculation, emit direct to output reg:
+ /* If this is the very last calculation (and various other conditions
+ * are met), emit directly to the color output register. Otherwise,
+ * emit to a temporary register.
*/
if (key->separate_specular ||
unit != p->last_tex_stage ||
alpha_shift ||
+ key->num_draw_buffers != 1 ||
rgb_shift)
dest = get_temp( p );
else
}
else
p->src_texture[unit] = get_zero(p);
+
+ if (p->state->unit[unit].texture_cyl_wrap) {
+ /* set flag which is checked by Mesa->Gallium program translation */
+ p->program->Base.InputFlags[0] |= PROG_PARAM_BIT_CYL_WRAP;
+ }
+
}
}
struct texenv_fragment_program p;
GLuint unit;
struct ureg cf, out;
+ int i;
- _mesa_memset(&p, 0, sizeof(p));
+ memset(&p, 0, sizeof(p));
p.state = key;
p.program = program;
p.program->Base.NumAddressRegs = 0;
p.program->Base.Parameters = _mesa_new_parameter_list();
p.program->Base.InputsRead = 0x0;
- p.program->Base.OutputsWritten = 1 << FRAG_RESULT_COLOR;
+
+ if (key->num_draw_buffers == 1)
+ p.program->Base.OutputsWritten = 1 << FRAG_RESULT_COLOR;
+ else {
+ for (i = 0; i < key->num_draw_buffers; i++)
+ p.program->Base.OutputsWritten |= (1 << (FRAG_RESULT_DATA0 + i));
+ }
for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) {
p.src_texture[unit] = undef;
}
cf = get_source( &p, SRC_PREVIOUS, 0 );
- out = make_ureg( PROGRAM_OUTPUT, FRAG_RESULT_COLOR );
- if (key->separate_specular) {
- /* Emit specular add.
- */
- struct ureg s = register_input(&p, FRAG_ATTRIB_COL1);
- emit_arith( &p, OPCODE_ADD, out, WRITEMASK_XYZ, 0, cf, s, undef );
- emit_arith( &p, OPCODE_MOV, out, WRITEMASK_W, 0, cf, undef, undef );
- }
- else if (_mesa_memcmp(&cf, &out, sizeof(cf)) != 0) {
- /* Will wind up in here if no texture enabled or a couple of
- * other scenarios (GL_REPLACE for instance).
- */
- emit_arith( &p, OPCODE_MOV, out, WRITEMASK_XYZW, 0, cf, undef, undef );
- }
+ for (i = 0; i < key->num_draw_buffers; i++) {
+ if (key->num_draw_buffers == 1)
+ out = make_ureg( PROGRAM_OUTPUT, FRAG_RESULT_COLOR );
+ else {
+ out = make_ureg( PROGRAM_OUTPUT, FRAG_RESULT_DATA0 + i );
+ }
+ if (key->separate_specular) {
+ /* Emit specular add.
+ */
+ struct ureg s = register_input(&p, FRAG_ATTRIB_COL1);
+ emit_arith( &p, OPCODE_ADD, out, WRITEMASK_XYZ, 0, cf, s, undef );
+ emit_arith( &p, OPCODE_MOV, out, WRITEMASK_W, 0, cf, undef, undef );
+ }
+ else if (memcmp(&cf, &out, sizeof(cf)) != 0) {
+ /* Will wind up in here if no texture enabled or a couple of
+ * other scenarios (GL_REPLACE for instance).
+ */
+ emit_arith( &p, OPCODE_MOV, out, WRITEMASK_XYZW, 0, cf, undef, undef );
+ }
+ }
/* Finish up:
*/
emit_arith( &p, OPCODE_END, undef, WRITEMASK_XYZW, 0, undef, undef, undef);
/* Notify driver the fragment program has (actually) changed.
*/
if (ctx->Driver.ProgramStringNotify) {
- ctx->Driver.ProgramStringNotify( ctx, GL_FRAGMENT_PROGRAM_ARB,
- &p.program->Base );
+ GLboolean ok = ctx->Driver.ProgramStringNotify(ctx,
+ GL_FRAGMENT_PROGRAM_ARB,
+ &p.program->Base);
+ /* Driver should be able to handle any texenv programs as long as
+ * the driver correctly reported max number of texture units correctly,
+ * etc.
+ */
+ ASSERT(ok);
+ (void) ok; /* silence unused var warning */
}
if (DISASSEM) {
_mesa_print_program(&p.program->Base);
- _mesa_printf("\n");
+ printf("\n");
}
}
projects / mesa.git / blobdiff