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Cache texenv programs to avoid repeated compilation (Ben Skeggs)

This commit is contained in:
Keith Whitwell 2005-07-11 10:10:38 +00:00
parent 9311bc253e
commit ce721143b4
4 changed files with 446 additions and 222 deletions
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9
src/mesa/main/mtypes.h
View File

@ -1430,6 +1430,12 @@ struct gl_texture_unit
GLboolean ColorTableEnabled;
};
struct texenvprog_cache {
GLuint hash;
void *key;
void *data;
struct texenvprog_cache *next;
};
/**
* Texture attribute group (GL_TEXTURE_BIT).
@ -1459,6 +1465,9 @@ struct gl_texture_attrib
/** GL_EXT_shared_texture_palette */
GLboolean SharedPalette;
struct gl_color_table Palette;
/** Cached texenv fragment programs */
struct texenvprog_cache *env_fp_cache;
};

655
src/mesa/main/texenvprogram.c
View File

@ -37,6 +37,201 @@
#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.
*
@ -79,6 +274,7 @@ const static struct ureg undef = {
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. */
@ -91,9 +287,9 @@ struct texenv_fragment_program {
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.
@ -211,12 +407,12 @@ static void release_temps( struct texenv_fragment_program *p )
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;
@ -328,12 +524,12 @@ static struct ureg emit_arith( struct texenv_fragment_program *p,
}
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,
@ -364,10 +560,10 @@ static struct ureg emit_texld( struct texenv_fragment_program *p,
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;
@ -418,48 +614,33 @@ static void program_error( struct texenv_fragment_program *p, const char *msg )
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 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 GL_CONSTANT:
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
@ -467,19 +648,18 @@ static struct ureg get_source( struct texenv_fragment_program *p,
}
}
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
*/
@ -487,12 +667,12 @@ static struct ureg emit_combine_source( struct texenv_fragment_program *p,
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
*/
@ -500,61 +680,38 @@ static struct ureg emit_combine_source( struct texenv_fragment_program *p,
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 )
static GLboolean args_match( struct state_key *key, GLuint unit )
{
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 )
{
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;
@ -568,37 +725,35 @@ static GLboolean args_match( struct gl_texture_unit *texUnit )
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)
struct ureg dest,
GLuint mask,
GLuint saturate,
GLuint unit,
GLuint nr,
GLuint mode,
struct mode_opt *opt)
{
int nr = nr_args(mode);
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
*/
@ -606,18 +761,18 @@ static struct ureg emit_combine( struct texenv_fragment_program *p,
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);
@ -639,11 +794,11 @@ static struct ureg emit_combine( struct texenv_fragment_program *p,
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);
@ -651,7 +806,7 @@ static struct ureg emit_combine( struct texenv_fragment_program *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;
@ -663,36 +818,34 @@ static struct ureg emit_combine( struct texenv_fragment_program *p,
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)
@ -702,22 +855,22 @@ static struct ureg emit_texenv( struct texenv_fragment_program *p, int unit )
/* 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
@ -725,14 +878,14 @@ static struct ureg emit_texenv( struct texenv_fragment_program *p, int unit )
*/
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:
@ -760,10 +913,12 @@ static struct ureg emit_texenv( struct texenv_fragment_program *p, int unit )
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,
@ -773,24 +928,24 @@ static void load_texture( struct texenv_fragment_program *p, GLuint unit )
}
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:
@ -802,45 +957,29 @@ static GLboolean load_texenv_source( struct texenv_fragment_program *p,
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? */
@ -848,14 +987,10 @@ void _mesa_UpdateTexEnvProgram( GLcontext *ctx )
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;
@ -867,34 +1002,30 @@ void _mesa_UpdateTexEnvProgram( GLcontext *ctx )
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);
@ -911,9 +1042,12 @@ void _mesa_UpdateTexEnvProgram( GLcontext *ctx )
*/
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)
@ -929,24 +1063,101 @@ void _mesa_UpdateTexEnvProgram( GLcontext *ctx )
/* 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 (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 (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);
}
}

1
src/mesa/main/texenvprogram.h
View File

@ -35,5 +35,6 @@
#include "mtypes.h"
extern void _mesa_UpdateTexEnvProgram( GLcontext *ctx );
extern void _mesa_TexEnvProgramCacheDestroy( GLcontext *ctx );
#endif

3
src/mesa/main/texstate.c
View File

@ -39,6 +39,7 @@
#include "texobj.h"
#include "teximage.h"
#include "texstate.h"
#include "texenvprogram.h"
#include "mtypes.h"
#include "math/m_xform.h"
#include "math/m_matrix.h"
@ -3247,4 +3248,6 @@ void _mesa_free_texture_data( GLcontext *ctx )
for (i = 0; i < MAX_TEXTURE_IMAGE_UNITS; i++)
_mesa_free_colortable_data( &ctx->Texture.Unit[i].ColorTable );
_mesa_TexEnvProgramCacheDestroy( ctx );
}