#define DISASSEM (MESA_VERBOSE & VERBOSE_DISASSEM)
+struct mode_opt {
+ unsigned Source:4;
+ unsigned Operand:3;
+};
+
+struct state_key {
+ GLuint enabled_units;
+ unsigned separate_specular:1;
+ unsigned fog_enabled:1;
+ unsigned fog_mode:2;
+
+ struct {
+ unsigned enabled:1;
+ unsigned source_index:3;
+ unsigned ScaleShiftRGB:2;
+ unsigned ScaleShiftA:2;
+
+ unsigned NumArgsRGB:2;
+ unsigned ModeRGB:4;
+ struct mode_opt OptRGB[3];
+
+ unsigned NumArgsA:2;
+ unsigned ModeA:4;
+ struct mode_opt OptA[3];
+ } unit[8];
+};
+
+#define FOG_LINEAR 0
+#define FOG_EXP 1
+#define FOG_EXP2 2
+#define FOG_UNKNOWN 3
+
+static GLuint translate_fog_mode( GLenum mode )
+{
+ switch (mode) {
+ case GL_LINEAR: return FOG_LINEAR;
+ case GL_EXP: return FOG_EXP;
+ case GL_EXP2: return FOG_EXP2;
+ default: return FOG_UNKNOWN;
+ }
+}
+
+#define OPR_SRC_COLOR 0
+#define OPR_ONE_MINUS_SRC_COLOR 1
+#define OPR_SRC_ALPHA 2
+#define OPR_ONE_MINUS_SRC_ALPHA 3
+#define OPR_ZERO 4
+#define OPR_ONE 5
+#define OPR_UNKNOWN 7
+
+static GLuint translate_operand( GLenum operand )
+{
+ switch (operand) {
+ case GL_SRC_COLOR: return OPR_SRC_COLOR;
+ case GL_ONE_MINUS_SRC_COLOR: return OPR_ONE_MINUS_SRC_COLOR;
+ case GL_SRC_ALPHA: return OPR_SRC_ALPHA;
+ case GL_ONE_MINUS_SRC_ALPHA: return OPR_ONE_MINUS_SRC_ALPHA;
+ case GL_ZERO: return OPR_ZERO;
+ case GL_ONE: return OPR_ONE;
+ default: return OPR_UNKNOWN;
+ }
+}
+
+#define SRC_TEXTURE 0
+#define SRC_TEXTURE0 1
+#define SRC_TEXTURE1 2
+#define SRC_TEXTURE2 3
+#define SRC_TEXTURE3 4
+#define SRC_TEXTURE4 5
+#define SRC_TEXTURE5 6
+#define SRC_TEXTURE6 7
+#define SRC_TEXTURE7 8
+#define SRC_CONSTANT 9
+#define SRC_PRIMARY_COLOR 10
+#define SRC_PREVIOUS 11
+#define SRC_UNKNOWN 15
+
+static GLuint translate_source( GLenum src )
+{
+ switch (src) {
+ case GL_TEXTURE: return SRC_TEXTURE;
+ case GL_TEXTURE0:
+ case GL_TEXTURE1:
+ case GL_TEXTURE2:
+ case GL_TEXTURE3:
+ case GL_TEXTURE4:
+ case GL_TEXTURE5:
+ case GL_TEXTURE6:
+ case GL_TEXTURE7: return SRC_TEXTURE0 + (src - GL_TEXTURE0);
+ case GL_CONSTANT: return SRC_CONSTANT;
+ case GL_PRIMARY_COLOR: return SRC_PRIMARY_COLOR;
+ case GL_PREVIOUS: return SRC_PREVIOUS;
+ default: return SRC_UNKNOWN;
+ }
+}
+
+#define MODE_REPLACE 0
+#define MODE_MODULATE 1
+#define MODE_ADD 2
+#define MODE_ADD_SIGNED 3
+#define MODE_INTERPOLATE 4
+#define MODE_SUBTRACT 5
+#define MODE_DOT3_RGB 6
+#define MODE_DOT3_RGB_EXT 7
+#define MODE_DOT3_RGBA 8
+#define MODE_DOT3_RGBA_EXT 9
+#define MODE_MODULATE_ADD_ATI 10
+#define MODE_MODULATE_SIGNED_ADD_ATI 11
+#define MODE_MODULATE_SUBTRACT_ATI 12
+#define MODE_UNKNOWN 15
+
+static GLuint translate_mode( GLenum mode )
+{
+ switch (mode) {
+ case GL_REPLACE: return MODE_REPLACE;
+ case GL_MODULATE: return MODE_MODULATE;
+ case GL_ADD: return MODE_ADD;
+ case GL_ADD_SIGNED: return MODE_ADD_SIGNED;
+ case GL_INTERPOLATE: return MODE_INTERPOLATE;
+ case GL_SUBTRACT: return MODE_SUBTRACT;
+ case GL_DOT3_RGB: return MODE_DOT3_RGB;
+ case GL_DOT3_RGB_EXT: return MODE_DOT3_RGB_EXT;
+ case GL_DOT3_RGBA: return MODE_DOT3_RGBA;
+ case GL_DOT3_RGBA_EXT: return MODE_DOT3_RGBA_EXT;
+ case GL_MODULATE_ADD_ATI: return MODE_MODULATE_ADD_ATI;
+ case GL_MODULATE_SIGNED_ADD_ATI: return MODE_MODULATE_SIGNED_ADD_ATI;
+ case GL_MODULATE_SUBTRACT_ATI: return MODE_MODULATE_SUBTRACT_ATI;
+ default: return MODE_UNKNOWN;
+ }
+}
+
+#define TEXTURE_UNKNOWN_INDEX 7
+static GLuint translate_tex_src_bit( GLuint bit )
+{
+ switch (bit) {
+ case TEXTURE_1D_BIT: return TEXTURE_1D_INDEX;
+ case TEXTURE_2D_BIT: return TEXTURE_2D_INDEX;
+ case TEXTURE_RECT_BIT: return TEXTURE_RECT_INDEX;
+ case TEXTURE_3D_BIT: return TEXTURE_3D_INDEX;
+ case TEXTURE_CUBE_BIT: return TEXTURE_CUBE_INDEX;
+ default: return TEXTURE_UNKNOWN_INDEX;
+ }
+}
+
+static struct state_key *make_state_key( GLcontext *ctx )
+{
+ struct state_key *key = CALLOC_STRUCT(state_key);
+ GLuint i, j;
+
+ for (i=0;i<MAX_TEXTURE_UNITS;i++) {
+ struct gl_texture_unit *texUnit = &ctx->Texture.Unit[i];
+
+ if (!texUnit->_ReallyEnabled)
+ continue;
+
+ key->unit[i].enabled = 1;
+ key->enabled_units |= (1<<i);
+
+ key->unit[i].source_index =
+ translate_tex_src_bit(texUnit->_ReallyEnabled);
+
+ key->unit[i].NumArgsRGB = texUnit->_CurrentCombine->_NumArgsRGB;
+ key->unit[i].NumArgsA = texUnit->_CurrentCombine->_NumArgsA;
+
+ key->unit[i].ModeRGB =
+ translate_mode(texUnit->_CurrentCombine->ModeRGB);
+ key->unit[i].ModeA =
+ translate_mode(texUnit->_CurrentCombine->ModeA);
+
+ key->unit[i].ScaleShiftRGB = texUnit->_CurrentCombine->ScaleShiftRGB;
+ key->unit[i].ScaleShiftA = texUnit->_CurrentCombine->ScaleShiftRGB;
+
+ for (j=0;j<3;j++) {
+ key->unit[i].OptRGB[j].Operand =
+ translate_operand(texUnit->_CurrentCombine->OperandRGB[j]);
+ key->unit[i].OptA[j].Operand =
+ translate_operand(texUnit->_CurrentCombine->OperandA[j]);
+ key->unit[i].OptRGB[j].Source =
+ translate_source(texUnit->_CurrentCombine->SourceRGB[j]);
+ key->unit[i].OptA[j].Source =
+ translate_source(texUnit->_CurrentCombine->SourceA[j]);
+ }
+ }
+
+ if (ctx->_TriangleCaps & DD_SEPARATE_SPECULAR)
+ key->separate_specular = 1;
+
+ if (ctx->Fog.Enabled) {
+ key->fog_enabled = 1;
+ key->fog_mode = translate_fog_mode(ctx->Fog.Mode);
+ }
+
+ return key;
+}
+
/* Use uregs to represent registers internally, translate to Mesa's
* expected formats on emit.
*
struct texenv_fragment_program {
struct fragment_program *program;
GLcontext *ctx;
+ struct state_key *state;
GLuint alu_temps; /* Track texture indirections, see spec. */
GLuint temps_output; /* Track texture indirections, see spec. */
GLboolean error;
struct ureg src_texture[MAX_TEXTURE_UNITS];
- /* Reg containing each texture unit's sampled texture color,
- * else undef.
- */
+ /* Reg containing each texture unit's sampled texture color,
+ * else undef.
+ */
struct ureg src_previous; /* Reg containing color from previous
* stage. May need to be decl'd.
static struct ureg register_param6( struct texenv_fragment_program *p,
- GLint s0,
- GLint s1,
- GLint s2,
- GLint s3,
- GLint s4,
- GLint s5)
+ GLint s0,
+ GLint s1,
+ GLint s2,
+ GLint s3,
+ GLint s4,
+ GLint s5)
{
GLint tokens[6];
GLuint idx;
}
static struct ureg emit_texld( struct texenv_fragment_program *p,
- GLuint op,
- struct ureg dest,
- GLuint destmask,
- GLuint tex_unit,
- GLuint tex_idx,
- struct ureg coord )
+ GLuint op,
+ struct ureg dest,
+ GLuint destmask,
+ GLuint tex_unit,
+ GLuint tex_idx,
+ struct ureg coord )
{
struct fp_instruction *inst = emit_op( p, op,
dest, destmask,
static struct ureg register_const4f( struct texenv_fragment_program *p,
- GLfloat s0,
- GLfloat s1,
- GLfloat s2,
- GLfloat s3)
+ GLfloat s0,
+ GLfloat s1,
+ GLfloat s2,
+ GLfloat s3)
{
GLfloat values[4];
GLuint idx;
p->error = 1;
}
-
-static GLuint translate_tex_src_bit( struct texenv_fragment_program *p,
- GLuint bit )
-{
- switch (bit) {
- case TEXTURE_1D_BIT: return TEXTURE_1D_INDEX;
- case TEXTURE_2D_BIT: return TEXTURE_2D_INDEX;
- case TEXTURE_RECT_BIT: return TEXTURE_RECT_INDEX;
- case TEXTURE_3D_BIT: return TEXTURE_3D_INDEX;
- case TEXTURE_CUBE_BIT: return TEXTURE_CUBE_INDEX;
- default: program_error(p, "TexSrcBit"); return 0;
- }
-}
-
-
static struct ureg get_source( struct texenv_fragment_program *p,
- GLenum src, GLuint unit )
+ GLuint src, GLuint unit )
{
switch (src) {
- case GL_TEXTURE:
+ case SRC_TEXTURE:
assert(!is_undef(p->src_texture[unit]));
return p->src_texture[unit];
- case GL_TEXTURE0:
- case GL_TEXTURE1:
- case GL_TEXTURE2:
- case GL_TEXTURE3:
- case GL_TEXTURE4:
- case GL_TEXTURE5:
- case GL_TEXTURE6:
- case GL_TEXTURE7:
- assert(!is_undef(p->src_texture[src - GL_TEXTURE0]));
- return p->src_texture[src - GL_TEXTURE0];
-
- case GL_CONSTANT:
+ case SRC_TEXTURE0:
+ case SRC_TEXTURE1:
+ case SRC_TEXTURE2:
+ case SRC_TEXTURE3:
+ case SRC_TEXTURE4:
+ case SRC_TEXTURE5:
+ case SRC_TEXTURE6:
+ case SRC_TEXTURE7:
+ assert(!is_undef(p->src_texture[src - SRC_TEXTURE0]));
+ return p->src_texture[src - SRC_TEXTURE0];
+
+ case SRC_CONSTANT:
return register_param2(p, STATE_TEXENV_COLOR, unit);
- case GL_PRIMARY_COLOR:
+ case SRC_PRIMARY_COLOR:
return register_input(p, FRAG_ATTRIB_COL0);
- case GL_PREVIOUS:
- default:
+ case SRC_PREVIOUS:
+ default:
if (is_undef(p->src_previous))
return register_input(p, FRAG_ATTRIB_COL0);
else
}
}
-
static struct ureg emit_combine_source( struct texenv_fragment_program *p,
- GLuint mask,
- GLuint unit,
- GLenum source,
- GLenum operand )
+ GLuint mask,
+ GLuint unit,
+ GLuint source,
+ GLuint operand )
{
struct ureg arg, src, one;
src = get_source(p, source, unit);
switch (operand) {
- case GL_ONE_MINUS_SRC_COLOR:
+ case OPR_ONE_MINUS_SRC_COLOR:
/* Get unused tmp,
* Emit tmp = 1.0 - arg.xyzw
*/
one = get_one( p );
return emit_arith( p, FP_OPCODE_SUB, arg, mask, 0, one, src, undef);
- case GL_SRC_ALPHA:
+ case OPR_SRC_ALPHA:
if (mask == WRITEMASK_W)
return src;
else
return swizzle1( src, W );
- case GL_ONE_MINUS_SRC_ALPHA:
+ case OPR_ONE_MINUS_SRC_ALPHA:
/* Get unused tmp,
* Emit tmp = 1.0 - arg.wwww
*/
one = get_one(p);
return emit_arith(p, FP_OPCODE_SUB, arg, mask, 0,
one, swizzle1(src, W), undef);
- case GL_ZERO:
+ case OPR_ZERO:
return get_zero(p);
- case GL_ONE:
+ case OPR_ONE:
return get_one(p);
- case GL_SRC_COLOR:
+ case OPR_SRC_COLOR:
default:
return src;
}
}
-
-
-static int nr_args( GLenum mode )
-{
- switch (mode) {
- case GL_REPLACE: return 1;
- case GL_MODULATE: return 2;
- case GL_ADD: return 2;
- case GL_ADD_SIGNED: return 2;
- case GL_INTERPOLATE: return 3;
- case GL_SUBTRACT: return 2;
- case GL_DOT3_RGB_EXT: return 2;
- case GL_DOT3_RGBA_EXT: return 2;
- case GL_DOT3_RGB: return 2;
- case GL_DOT3_RGBA: return 2;
- case GL_MODULATE_ADD_ATI: return 3;
- case GL_MODULATE_SUBTRACT_ATI: return 3;
- case GL_MODULATE_SIGNED_ADD_ATI: return 3;
- default: return 0;
- }
-}
-
-
-static GLboolean args_match( struct gl_texture_unit *texUnit )
+static GLboolean args_match( struct state_key *key, GLuint unit )
{
- int i, nr = nr_args(texUnit->_CurrentCombine->ModeRGB);
+ int i, nr = key->unit[unit].NumArgsRGB;
for (i = 0 ; i < nr ; i++) {
- if (texUnit->_CurrentCombine->SourceA[i] != texUnit->_CurrentCombine->SourceRGB[i])
+ if (key->unit[unit].OptA[i].Source != key->unit[unit].OptRGB[i].Source)
return GL_FALSE;
- switch(texUnit->_CurrentCombine->OperandA[i]) {
- case GL_SRC_ALPHA:
- switch(texUnit->_CurrentCombine->OperandRGB[i]) {
- case GL_SRC_COLOR:
- case GL_SRC_ALPHA:
+ switch(key->unit[unit].OptA[i].Operand) {
+ case OPR_SRC_ALPHA:
+ switch(key->unit[unit].OptRGB[i].Operand) {
+ case OPR_SRC_COLOR:
+ case OPR_SRC_ALPHA:
break;
default:
return GL_FALSE;
}
break;
- case GL_ONE_MINUS_SRC_ALPHA:
- switch(texUnit->_CurrentCombine->OperandRGB[i]) {
- case GL_ONE_MINUS_SRC_COLOR:
- case GL_ONE_MINUS_SRC_ALPHA:
+ case OPR_ONE_MINUS_SRC_ALPHA:
+ switch(key->unit[unit].OptRGB[i].Operand) {
+ case OPR_ONE_MINUS_SRC_COLOR:
+ case OPR_ONE_MINUS_SRC_ALPHA:
break;
default:
return GL_FALSE;
return GL_TRUE;
}
-
static struct ureg emit_combine( struct texenv_fragment_program *p,
- struct ureg dest,
- GLuint mask,
- GLuint saturate,
- GLuint unit,
- GLenum mode,
- const GLenum *source,
- const GLenum *operand)
-{
- int nr = nr_args(mode);
+ struct ureg dest,
+ GLuint mask,
+ GLuint saturate,
+ GLuint unit,
+ GLuint nr,
+ GLuint mode,
+ struct mode_opt *opt)
+{
struct ureg src[3];
struct ureg tmp, half;
int i;
for (i = 0; i < nr; i++)
- src[i] = emit_combine_source( p, mask, unit, source[i], operand[i] );
+ src[i] = emit_combine_source( p, mask, unit, opt[i].Source, opt[i].Operand );
switch (mode) {
- case GL_REPLACE:
+ case MODE_REPLACE:
if (mask == WRITEMASK_XYZW && !saturate)
return src[0];
else
return emit_arith( p, FP_OPCODE_MOV, dest, mask, saturate, src[0], undef, undef );
- case GL_MODULATE:
+ case MODE_MODULATE:
return emit_arith( p, FP_OPCODE_MUL, dest, mask, saturate,
src[0], src[1], undef );
- case GL_ADD:
+ case MODE_ADD:
return emit_arith( p, FP_OPCODE_ADD, dest, mask, saturate,
src[0], src[1], undef );
- case GL_ADD_SIGNED:
+ case MODE_ADD_SIGNED:
/* tmp = arg0 + arg1
* result = tmp - .5
*/
emit_arith( p, FP_OPCODE_ADD, tmp, mask, 0, src[0], src[1], undef );
emit_arith( p, FP_OPCODE_SUB, dest, mask, saturate, tmp, half, undef );
return dest;
- case GL_INTERPOLATE:
+ case MODE_INTERPOLATE:
/* Arg0 * (Arg2) + Arg1 * (1-Arg2) -- note arguments are reordered:
*/
return emit_arith( p, FP_OPCODE_LRP, dest, mask, saturate, src[2], src[0], src[1] );
- case GL_SUBTRACT:
+ case MODE_SUBTRACT:
return emit_arith( p, FP_OPCODE_SUB, dest, mask, saturate, src[0], src[1], undef );
- case GL_DOT3_RGBA:
- case GL_DOT3_RGBA_EXT:
- case GL_DOT3_RGB_EXT:
- case GL_DOT3_RGB: {
+ case MODE_DOT3_RGBA:
+ case MODE_DOT3_RGBA_EXT:
+ case MODE_DOT3_RGB_EXT:
+ case MODE_DOT3_RGB: {
struct ureg tmp0 = get_temp( p );
struct ureg tmp1 = get_temp( p );
struct ureg neg1 = register_scalar_const(p, -1);
emit_arith( p, FP_OPCODE_DP3, dest, mask, saturate, tmp0, tmp1, undef);
return dest;
}
- case GL_MODULATE_ADD_ATI:
+ case MODE_MODULATE_ADD_ATI:
/* Arg0 * Arg2 + Arg1 */
return emit_arith( p, FP_OPCODE_MAD, dest, mask, saturate,
src[0], src[2], src[1] );
- case GL_MODULATE_SIGNED_ADD_ATI: {
+ case MODE_MODULATE_SIGNED_ADD_ATI: {
/* Arg0 * Arg2 + Arg1 - 0.5 */
struct ureg tmp0 = get_temp(p);
half = get_half(p);
emit_arith( p, FP_OPCODE_SUB, dest, mask, saturate, tmp0, half, undef );
return dest;
}
- case GL_MODULATE_SUBTRACT_ATI:
+ case MODE_MODULATE_SUBTRACT_ATI:
/* Arg0 * Arg2 - Arg1 */
emit_arith( p, FP_OPCODE_MAD, dest, mask, 0, src[0], src[2], negate(src[1]) );
return dest;
static struct ureg emit_texenv( struct texenv_fragment_program *p, int unit )
{
- struct gl_texture_unit *texUnit = &p->ctx->Texture.Unit[unit];
+ struct state_key *key = p->state;
GLuint saturate = (unit < p->last_tex_stage);
GLuint rgb_shift, alpha_shift;
struct ureg out, shift;
struct ureg dest;
- if (!texUnit->_ReallyEnabled) {
- return get_source(p, GL_PREVIOUS, 0);
+ if (!key->unit[unit].enabled) {
+ return get_source(p, SRC_PREVIOUS, 0);
}
-
- switch (texUnit->_CurrentCombine->ModeRGB) {
- case GL_DOT3_RGB_EXT:
- alpha_shift = texUnit->_CurrentCombine->ScaleShiftA;
+
+ switch (key->unit[unit].ModeRGB) {
+ case MODE_DOT3_RGB_EXT:
+ alpha_shift = key->unit[unit].ScaleShiftA;
rgb_shift = 0;
break;
-
- case GL_DOT3_RGBA_EXT:
+ case MODE_DOT3_RGBA_EXT:
alpha_shift = 0;
rgb_shift = 0;
break;
-
default:
- rgb_shift = texUnit->_CurrentCombine->ScaleShiftRGB;
- alpha_shift = texUnit->_CurrentCombine->ScaleShiftA;
+ rgb_shift = key->unit[unit].ScaleShiftRGB;
+ alpha_shift = key->unit[unit].ScaleShiftA;
break;
}
-
+
/* If this is the very last calculation, emit direct to output reg:
*/
- if ((p->ctx->_TriangleCaps & DD_SEPARATE_SPECULAR) ||
+ if (key->separate_specular ||
unit != p->last_tex_stage ||
alpha_shift ||
rgb_shift)
/* Emit the RGB and A combine ops
*/
- if (texUnit->_CurrentCombine->ModeRGB == texUnit->_CurrentCombine->ModeA &&
- args_match( texUnit )) {
+ if (key->unit[unit].ModeRGB == key->unit[unit].ModeA &&
+ args_match(key, unit)) {
out = emit_combine( p, dest, WRITEMASK_XYZW, saturate,
unit,
- texUnit->_CurrentCombine->ModeRGB,
- texUnit->_CurrentCombine->SourceRGB,
- texUnit->_CurrentCombine->OperandRGB );
+ key->unit[unit].NumArgsRGB,
+ key->unit[unit].ModeRGB,
+ key->unit[unit].OptRGB);
}
- else if (texUnit->_CurrentCombine->ModeRGB == GL_DOT3_RGBA_EXT ||
- texUnit->_CurrentCombine->ModeRGB == GL_DOT3_RGBA) {
+ else if (key->unit[unit].ModeRGB == MODE_DOT3_RGBA_EXT ||
+ key->unit[unit].ModeA == MODE_DOT3_RGBA) {
out = emit_combine( p, dest, WRITEMASK_XYZW, saturate,
unit,
- texUnit->_CurrentCombine->ModeRGB,
- texUnit->_CurrentCombine->SourceRGB,
- texUnit->_CurrentCombine->OperandRGB );
+ key->unit[unit].NumArgsRGB,
+ key->unit[unit].ModeRGB,
+ key->unit[unit].OptRGB);
}
else {
/* Need to do something to stop from re-emitting identical
*/
out = emit_combine( p, dest, WRITEMASK_XYZ, saturate,
unit,
- texUnit->_CurrentCombine->ModeRGB,
- texUnit->_CurrentCombine->SourceRGB,
- texUnit->_CurrentCombine->OperandRGB );
+ key->unit[unit].NumArgsRGB,
+ key->unit[unit].ModeRGB,
+ key->unit[unit].OptRGB);
out = emit_combine( p, dest, WRITEMASK_W, saturate,
unit,
- texUnit->_CurrentCombine->ModeA,
- texUnit->_CurrentCombine->SourceA,
- texUnit->_CurrentCombine->OperandA );
+ key->unit[unit].NumArgsA,
+ key->unit[unit].ModeA,
+ key->unit[unit].OptA);
}
/* Deal with the final shift:
static void load_texture( struct texenv_fragment_program *p, GLuint unit )
{
if (is_undef(p->src_texture[unit])) {
- GLuint dim = translate_tex_src_bit( p, p->ctx->Texture.Unit[unit]._ReallyEnabled);
+ GLuint dim = p->state->unit[unit].source_index;
struct ureg texcoord = register_input(p, FRAG_ATTRIB_TEX0+unit);
struct ureg tmp = get_tex_temp( p );
+ if (dim == TEXTURE_UNKNOWN_INDEX) program_error(p, "TexSrcBit");
+
/* TODO: Use D0_MASK_XY where possible.
*/
p->src_texture[unit] = emit_texld( p, FP_OPCODE_TXP,
}
static GLboolean load_texenv_source( struct texenv_fragment_program *p,
- GLenum src, GLuint unit )
+ GLuint src, GLuint unit )
{
switch (src) {
- case GL_TEXTURE:
+ case SRC_TEXTURE:
load_texture(p, unit);
break;
- case GL_TEXTURE0:
- case GL_TEXTURE1:
- case GL_TEXTURE2:
- case GL_TEXTURE3:
- case GL_TEXTURE4:
- case GL_TEXTURE5:
- case GL_TEXTURE6:
- case GL_TEXTURE7:
- if (!p->ctx->Texture.Unit[src - GL_TEXTURE0]._ReallyEnabled)
+ case SRC_TEXTURE0:
+ case SRC_TEXTURE1:
+ case SRC_TEXTURE2:
+ case SRC_TEXTURE3:
+ case SRC_TEXTURE4:
+ case SRC_TEXTURE5:
+ case SRC_TEXTURE6:
+ case SRC_TEXTURE7:
+ if (!p->state->unit[src - SRC_TEXTURE0].enabled)
return GL_FALSE;
- load_texture(p, src - GL_TEXTURE0);
+ load_texture(p, src - SRC_TEXTURE0);
break;
default:
static GLboolean load_texunit_sources( struct texenv_fragment_program *p, int unit )
{
- struct gl_texture_unit *texUnit = &p->ctx->Texture.Unit[unit];
- int i, nr = nr_args(texUnit->_CurrentCombine->ModeRGB);
+ struct state_key *key = p->state;
+ int i, nr = key->unit[unit].NumArgsRGB;
for (i = 0; i < nr; i++) {
- if (!load_texenv_source( p, texUnit->_CurrentCombine->SourceRGB[i], unit) ||
- !load_texenv_source( p, texUnit->_CurrentCombine->SourceA[i], unit ))
+ if (!load_texenv_source( p, key->unit[unit].OptRGB[i].Source, unit) ||
+ !load_texenv_source( p, key->unit[unit].OptA[i].Source, unit ))
return GL_FALSE;
}
return GL_TRUE;
}
-void _mesa_UpdateTexEnvProgram( GLcontext *ctx )
+static void create_new_program(struct state_key *key, GLcontext *ctx,
+ struct fragment_program *program)
{
struct texenv_fragment_program p;
GLuint unit;
struct ureg cf, out;
- GLuint db_NumInstructions = 0;
- struct fp_instruction *db_Instructions = NULL;
-
- if (ctx->FragmentProgram._Enabled)
- return;
-
- if (!ctx->_TexEnvProgram)
- ctx->FragmentProgram._Current = ctx->_TexEnvProgram =
- (struct fragment_program *)
- ctx->Driver.NewProgram(ctx, GL_FRAGMENT_PROGRAM_ARB, 0);
_mesa_memset(&p, 0, sizeof(p));
p.ctx = ctx;
- p.program = ctx->_TexEnvProgram;
-
- if (ctx->Driver.ProgramStringNotify || DISASSEM) {
- db_Instructions = p.program->Instructions;
- db_NumInstructions = p.program->Base.NumInstructions;
- p.program->Instructions = NULL;
- }
-
- if (!p.program->Instructions)
- p.program->Instructions = MALLOC(sizeof(struct fp_instruction) * 100);
+ p.state = key;
+ p.program = program;
+ p.program->Instructions = MALLOC(sizeof(struct fp_instruction) * 100);
p.program->Base.NumInstructions = 0;
p.program->Base.Target = GL_FRAGMENT_PROGRAM_ARB;
p.program->NumTexIndirections = 1; /* correct? */
p.program->NumAluInstructions = 0;
p.program->Base.String = 0;
p.program->Base.NumInstructions =
- p.program->Base.NumTemporaries =
- p.program->Base.NumParameters =
- p.program->Base.NumAttributes = p.program->Base.NumAddressRegs = 0;
-
- if (p.program->Parameters)
- _mesa_free_parameters(p.program->Parameters);
- else
- p.program->Parameters = _mesa_new_parameter_list();
+ p.program->Base.NumTemporaries =
+ p.program->Base.NumParameters =
+ p.program->Base.NumAttributes = p.program->Base.NumAddressRegs = 0;
+ p.program->Parameters = _mesa_new_parameter_list();
p.program->InputsRead = 0;
p.program->OutputsWritten = 1 << FRAG_OUTPUT_COLR;
p.last_tex_stage = 0;
release_temps(&p);
- if (ctx->Texture._EnabledUnits) {
- GLuint tex_env_enabled = 0;
-
+ if (key->enabled_units) {
/* First pass - to support texture_env_crossbar, first identify
* all referenced texture sources and emit texld instructions
* for each:
*/
for (unit = 0 ; unit < ctx->Const.MaxTextureUnits ; unit++)
- if (ctx->Texture.Unit[unit]._ReallyEnabled) {
- if (load_texunit_sources( &p, unit )) {
- tex_env_enabled |= 1<<unit;
+ if (key->unit[unit].enabled) {
+ if (load_texunit_sources( &p, unit ))
p.last_tex_stage = unit;
- }
}
/* Second pass - emit combine instructions to build final color:
*/
for (unit = 0 ; unit < ctx->Const.MaxTextureUnits; unit++)
- if (tex_env_enabled & (1<<unit)) {
+ if (key->enabled_units & (1<<unit)) {
p.src_previous = emit_texenv( &p, unit );
release_temps(&p); /* release all temps */
}
}
- cf = get_source( &p, GL_PREVIOUS, 0 );
+ cf = get_source( &p, SRC_PREVIOUS, 0 );
out = make_ureg( PROGRAM_OUTPUT, FRAG_OUTPUT_COLR );
- if (ctx->_TriangleCaps & DD_SEPARATE_SPECULAR) {
+ if (key->separate_specular) {
/* Emit specular add.
*/
struct ureg s = register_input(&p, FRAG_ATTRIB_COL1);
*/
emit_arith( &p, FP_OPCODE_END, undef, WRITEMASK_XYZW, 0, undef, undef, undef);
- if (ctx->Fog.Enabled)
+ if (key->fog_enabled) {
+ /* Pull fog mode from GLcontext, the value in the state key is
+ * a reduced value and not what is expected in FogOption
+ */
p.program->FogOption = ctx->Fog.Mode;
- else
+ } else
p.program->FogOption = GL_NONE;
if (p.program->NumTexIndirections > ctx->Const.MaxFragmentProgramTexIndirections)
/* Notify driver the fragment program has (actually) changed.
*/
if (ctx->Driver.ProgramStringNotify || DISASSEM) {
- if (db_Instructions == NULL ||
- db_NumInstructions != p.program->Base.NumInstructions ||
- memcmp(db_Instructions, p.program->Instructions,
- db_NumInstructions * sizeof(*db_Instructions)) != 0) {
-
- if (ctx->Driver.ProgramStringNotify)
- ctx->Driver.ProgramStringNotify( ctx, GL_FRAGMENT_PROGRAM_ARB,
- &p.program->Base );
-
- if (DISASSEM) {
- _mesa_debug_fp_inst(p.program->NumTexInstructions + p.program->NumAluInstructions,
- p.program->Instructions);
- _mesa_printf("\n");
- }
+ if (ctx->Driver.ProgramStringNotify)
+ ctx->Driver.ProgramStringNotify( ctx, GL_FRAGMENT_PROGRAM_ARB,
+ &p.program->Base );
+
+ if (DISASSEM) {
+ _mesa_debug_fp_inst(p.program->NumTexInstructions + p.program->NumAluInstructions,
+ p.program->Instructions);
+ _mesa_printf("\n");
}
- FREE(db_Instructions);
}
+
}
+static void *search_cache( struct texenvprog_cache *cache,
+ GLuint hash,
+ const void *key,
+ GLuint keysize)
+{
+ struct texenvprog_cache *c;
+
+ for (c = cache; c; c = c->next) {
+ if (c->hash == hash && memcmp(c->key, key, keysize) == 0)
+ return c->data;
+ }
+
+ return NULL;
+}
+
+static void cache_item( struct texenvprog_cache **cache,
+ GLuint hash,
+ void *key,
+ void *data )
+{
+ struct texenvprog_cache *c = MALLOC(sizeof(*c));
+ c->hash = hash;
+ c->key = key;
+ c->data = data;
+ c->next = *cache;
+ *cache = c;
+}
+
+static GLuint hash_key( struct state_key *key )
+{
+ GLuint *ikey = (GLuint *)key;
+ GLuint hash = 0, i;
+
+ /* I'm sure this can be improved on, but speed is important:
+ */
+ for (i = 0; i < sizeof(*key)/sizeof(GLuint); i++)
+ hash ^= ikey[i];
+
+ return hash;
+}
+
+void _mesa_UpdateTexEnvProgram( GLcontext *ctx )
+{
+ struct state_key *key;
+ GLuint hash;
+
+ if (ctx->FragmentProgram._Enabled)
+ return;
+
+ key = make_state_key(ctx);
+ hash = hash_key(key);
+
+ ctx->FragmentProgram._Current = ctx->_TexEnvProgram =
+ (struct fragment_program *)
+ search_cache(ctx->Texture.env_fp_cache, hash, key, sizeof(*key));
+
+ if (!ctx->_TexEnvProgram) {
+ if (0) _mesa_printf("Building new texenv proggy for key %x\n", hash);
+
+ ctx->FragmentProgram._Current = ctx->_TexEnvProgram =
+ (struct fragment_program *)
+ ctx->Driver.NewProgram(ctx, GL_FRAGMENT_PROGRAM_ARB, 0);
+
+ create_new_program(key, ctx, ctx->_TexEnvProgram);
+
+ cache_item(&ctx->Texture.env_fp_cache, hash, key, ctx->_TexEnvProgram);
+ } else {
+ if (0) _mesa_printf("Found existing texenv program for key %x\n", hash);
+ }
+
+}
+
+void _mesa_TexEnvProgramCacheDestroy( GLcontext *ctx )
+{
+ struct texenvprog_cache *a, *tmp;
+
+ for (a = ctx->Texture.env_fp_cache; a; a = tmp) {
+ tmp = a->next;
+ FREE(a->key);
+ FREE(a->data);
+ FREE(a);
+ }
+}
projects / mesa.git / commitdiff