summaryrefslogtreecommitdiff
path: root/src/mesa/drivers/dri/i915/i915_fragprog.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa/drivers/dri/i915/i915_fragprog.c')
-rw-r--r--src/mesa/drivers/dri/i915/i915_fragprog.c1478
1 files changed, 797 insertions, 681 deletions
diff --git a/src/mesa/drivers/dri/i915/i915_fragprog.c b/src/mesa/drivers/dri/i915/i915_fragprog.c
index 702b8788282..8bd761ec6a1 100644
--- a/src/mesa/drivers/dri/i915/i915_fragprog.c
+++ b/src/mesa/drivers/dri/i915/i915_fragprog.c
@@ -25,44 +25,60 @@
*
**************************************************************************/
-#include "glheader.h"
-#include "macros.h"
-#include "enums.h"
+#include "main/glheader.h"
+#include "main/macros.h"
+#include "main/enums.h"
+
+#include "shader/prog_instruction.h"
+#include "shader/prog_parameter.h"
+#include "shader/program.h"
+#include "shader/programopt.h"
#include "tnl/tnl.h"
#include "tnl/t_context.h"
+
#include "intel_batchbuffer.h"
#include "i915_reg.h"
#include "i915_context.h"
#include "i915_program.h"
-#include "prog_instruction.h"
-#include "prog_parameter.h"
-#include "program.h"
-#include "programopt.h"
-
-
+static const GLfloat sin_quad_constants[2][4] = {
+ {
+ 2.0,
+ -1.0,
+ .5,
+ .75
+ },
+ {
+ 4.0,
+ -4.0,
+ 1.0 / (2.0 * M_PI),
+ .2225
+ }
+};
-/* 1, -1/3!, 1/5!, -1/7! */
-static const GLfloat sin_constants[4] = { 1.0,
- -1.0/(3*2*1),
- 1.0/(5*4*3*2*1),
- -1.0/(7*6*5*4*3*2*1) };
+static const GLfloat sin_constants[4] = { 1.0,
+ -1.0 / (3 * 2 * 1),
+ 1.0 / (5 * 4 * 3 * 2 * 1),
+ -1.0 / (7 * 6 * 5 * 4 * 3 * 2 * 1)
+};
/* 1, -1/2!, 1/4!, -1/6! */
-static const GLfloat cos_constants[4] = { 1.0,
- -1.0/(2*1),
- 1.0/(4*3*2*1),
- -1.0/(6*5*4*3*2*1) };
+static const GLfloat cos_constants[4] = { 1.0,
+ -1.0 / (2 * 1),
+ 1.0 / (4 * 3 * 2 * 1),
+ -1.0 / (6 * 5 * 4 * 3 * 2 * 1)
+};
/**
* Retrieve a ureg for the given source register. Will emit
* constants, apply swizzling and negation as needed.
*/
-static GLuint src_vector( struct i915_fragment_program *p,
- const struct prog_src_register *source,
- const struct gl_fragment_program *program )
+static GLuint
+src_vector(struct i915_fragment_program *p,
+ const struct prog_src_register *source,
+ const struct gl_fragment_program *program)
{
GLuint src;
@@ -70,136 +86,152 @@ static GLuint src_vector( struct i915_fragment_program *p,
/* Registers:
*/
- case PROGRAM_TEMPORARY:
- if (source->Index >= I915_MAX_TEMPORARY) {
- i915_program_error( p, "Exceeded max temporary reg" );
- return 0;
- }
- src = UREG( REG_TYPE_R, source->Index );
+ case PROGRAM_TEMPORARY:
+ if (source->Index >= I915_MAX_TEMPORARY) {
+ i915_program_error(p, "Exceeded max temporary reg");
+ return 0;
+ }
+ src = UREG(REG_TYPE_R, source->Index);
+ break;
+ case PROGRAM_INPUT:
+ switch (source->Index) {
+ case FRAG_ATTRIB_WPOS:
+ src = i915_emit_decl(p, REG_TYPE_T, p->wpos_tex, D0_CHANNEL_ALL);
break;
- case PROGRAM_INPUT:
- switch (source->Index) {
- case FRAG_ATTRIB_WPOS:
- src = i915_emit_decl( p, REG_TYPE_T, p->wpos_tex, D0_CHANNEL_ALL );
- break;
- case FRAG_ATTRIB_COL0:
- src = i915_emit_decl( p, REG_TYPE_T, T_DIFFUSE, D0_CHANNEL_ALL );
- break;
- case FRAG_ATTRIB_COL1:
- src = i915_emit_decl( p, REG_TYPE_T, T_SPECULAR, D0_CHANNEL_XYZ );
- src = swizzle( src, X, Y, Z, ONE );
- break;
- case FRAG_ATTRIB_FOGC:
- src = i915_emit_decl( p, REG_TYPE_T, T_FOG_W, D0_CHANNEL_W );
- src = swizzle( src, W, W, W, W );
- break;
- case FRAG_ATTRIB_TEX0:
- case FRAG_ATTRIB_TEX1:
- case FRAG_ATTRIB_TEX2:
- case FRAG_ATTRIB_TEX3:
- case FRAG_ATTRIB_TEX4:
- case FRAG_ATTRIB_TEX5:
- case FRAG_ATTRIB_TEX6:
- case FRAG_ATTRIB_TEX7:
- src = i915_emit_decl( p, REG_TYPE_T,
- T_TEX0 + (source->Index - FRAG_ATTRIB_TEX0),
- D0_CHANNEL_ALL );
- break;
-
- default:
- i915_program_error( p, "Bad source->Index" );
- return 0;
- }
+ case FRAG_ATTRIB_COL0:
+ src = i915_emit_decl(p, REG_TYPE_T, T_DIFFUSE, D0_CHANNEL_ALL);
+ break;
+ case FRAG_ATTRIB_COL1:
+ src = i915_emit_decl(p, REG_TYPE_T, T_SPECULAR, D0_CHANNEL_XYZ);
+ src = swizzle(src, X, Y, Z, ONE);
+ break;
+ case FRAG_ATTRIB_FOGC:
+ src = i915_emit_decl(p, REG_TYPE_T, T_FOG_W, D0_CHANNEL_W);
+ src = swizzle(src, W, ZERO, ZERO, ONE);
+ break;
+ case FRAG_ATTRIB_TEX0:
+ case FRAG_ATTRIB_TEX1:
+ case FRAG_ATTRIB_TEX2:
+ case FRAG_ATTRIB_TEX3:
+ case FRAG_ATTRIB_TEX4:
+ case FRAG_ATTRIB_TEX5:
+ case FRAG_ATTRIB_TEX6:
+ case FRAG_ATTRIB_TEX7:
+ src = i915_emit_decl(p, REG_TYPE_T,
+ T_TEX0 + (source->Index - FRAG_ATTRIB_TEX0),
+ D0_CHANNEL_ALL);
break;
-
- /* Various paramters and env values. All emitted to
- * hardware as program constants.
- */
- case PROGRAM_LOCAL_PARAM:
- src = i915_emit_param4fv(
- p, program->Base.LocalParams[source->Index]);
- break;
-
- case PROGRAM_ENV_PARAM:
- src = i915_emit_param4fv(
- p, p->ctx->FragmentProgram.Parameters[source->Index]);
- break;
-
- case PROGRAM_CONSTANT:
- case PROGRAM_STATE_VAR:
- case PROGRAM_NAMED_PARAM:
- src = i915_emit_param4fv(
- p, program->Base.Parameters->ParameterValues[source->Index] );
- break;
default:
- i915_program_error( p, "Bad source->File" );
- return 0;
+ i915_program_error(p, "Bad source->Index");
+ return 0;
+ }
+ break;
+
+ /* Various paramters and env values. All emitted to
+ * hardware as program constants.
+ */
+ case PROGRAM_LOCAL_PARAM:
+ src = i915_emit_param4fv(p, program->Base.LocalParams[source->Index]);
+ break;
+
+ case PROGRAM_ENV_PARAM:
+ src =
+ i915_emit_param4fv(p,
+ p->ctx->FragmentProgram.Parameters[source->
+ Index]);
+ break;
+
+ case PROGRAM_CONSTANT:
+ case PROGRAM_STATE_VAR:
+ case PROGRAM_NAMED_PARAM:
+ src =
+ i915_emit_param4fv(p,
+ program->Base.Parameters->ParameterValues[source->
+ Index]);
+ break;
+
+ default:
+ i915_program_error(p, "Bad source->File");
+ return 0;
}
- src = swizzle(src,
- GET_SWZ(source->Swizzle, 0),
- GET_SWZ(source->Swizzle, 1),
- GET_SWZ(source->Swizzle, 2),
- GET_SWZ(source->Swizzle, 3));
+ src = swizzle(src,
+ GET_SWZ(source->Swizzle, 0),
+ GET_SWZ(source->Swizzle, 1),
+ GET_SWZ(source->Swizzle, 2), GET_SWZ(source->Swizzle, 3));
if (source->NegateBase)
- src = negate( src,
- GET_BIT(source->NegateBase, 0),
- GET_BIT(source->NegateBase, 1),
- GET_BIT(source->NegateBase, 2),
- GET_BIT(source->NegateBase, 3));
+ src = negate(src,
+ GET_BIT(source->NegateBase, 0),
+ GET_BIT(source->NegateBase, 1),
+ GET_BIT(source->NegateBase, 2),
+ GET_BIT(source->NegateBase, 3));
return src;
}
-static GLuint get_result_vector( struct i915_fragment_program *p,
- const struct prog_instruction *inst )
+static GLuint
+get_result_vector(struct i915_fragment_program *p,
+ const struct prog_instruction *inst)
{
switch (inst->DstReg.File) {
case PROGRAM_OUTPUT:
switch (inst->DstReg.Index) {
- case FRAG_RESULT_COLR:
- return UREG(REG_TYPE_OC, 0);
- case FRAG_RESULT_DEPR:
- p->depth_written = 1;
- return UREG(REG_TYPE_OD, 0);
- default:
- i915_program_error( p, "Bad inst->DstReg.Index" );
- return 0;
+ case FRAG_RESULT_COLR:
+ return UREG(REG_TYPE_OC, 0);
+ case FRAG_RESULT_DEPR:
+ p->depth_written = 1;
+ return UREG(REG_TYPE_OD, 0);
+ default:
+ i915_program_error(p, "Bad inst->DstReg.Index");
+ return 0;
}
case PROGRAM_TEMPORARY:
return UREG(REG_TYPE_R, inst->DstReg.Index);
default:
- i915_program_error( p, "Bad inst->DstReg.File" );
+ i915_program_error(p, "Bad inst->DstReg.File");
return 0;
}
}
-
-static GLuint get_result_flags( const struct prog_instruction *inst )
+
+static GLuint
+get_result_flags(const struct prog_instruction *inst)
{
GLuint flags = 0;
- if (inst->SaturateMode == SATURATE_ZERO_ONE) flags |= A0_DEST_SATURATE;
- if (inst->DstReg.WriteMask & WRITEMASK_X) flags |= A0_DEST_CHANNEL_X;
- if (inst->DstReg.WriteMask & WRITEMASK_Y) flags |= A0_DEST_CHANNEL_Y;
- if (inst->DstReg.WriteMask & WRITEMASK_Z) flags |= A0_DEST_CHANNEL_Z;
- if (inst->DstReg.WriteMask & WRITEMASK_W) flags |= A0_DEST_CHANNEL_W;
+ if (inst->SaturateMode == SATURATE_ZERO_ONE)
+ flags |= A0_DEST_SATURATE;
+ if (inst->DstReg.WriteMask & WRITEMASK_X)
+ flags |= A0_DEST_CHANNEL_X;
+ if (inst->DstReg.WriteMask & WRITEMASK_Y)
+ flags |= A0_DEST_CHANNEL_Y;
+ if (inst->DstReg.WriteMask & WRITEMASK_Z)
+ flags |= A0_DEST_CHANNEL_Z;
+ if (inst->DstReg.WriteMask & WRITEMASK_W)
+ flags |= A0_DEST_CHANNEL_W;
return flags;
}
-static GLuint translate_tex_src_target( struct i915_fragment_program *p,
- GLubyte bit )
+static GLuint
+translate_tex_src_target(struct i915_fragment_program *p, GLubyte bit)
{
switch (bit) {
- case TEXTURE_1D_INDEX: return D0_SAMPLE_TYPE_2D;
- case TEXTURE_2D_INDEX: return D0_SAMPLE_TYPE_2D;
- case TEXTURE_RECT_INDEX: return D0_SAMPLE_TYPE_2D;
- case TEXTURE_3D_INDEX: return D0_SAMPLE_TYPE_VOLUME;
- case TEXTURE_CUBE_INDEX: return D0_SAMPLE_TYPE_CUBE;
- default: i915_program_error(p, "TexSrcBit"); return 0;
+ case TEXTURE_1D_INDEX:
+ return D0_SAMPLE_TYPE_2D;
+ case TEXTURE_2D_INDEX:
+ return D0_SAMPLE_TYPE_2D;
+ case TEXTURE_RECT_INDEX:
+ return D0_SAMPLE_TYPE_2D;
+ case TEXTURE_3D_INDEX:
+ return D0_SAMPLE_TYPE_VOLUME;
+ case TEXTURE_CUBE_INDEX:
+ return D0_SAMPLE_TYPE_CUBE;
+ default:
+ i915_program_error(p, "TexSrcBit");
+ return 0;
}
}
@@ -211,7 +243,7 @@ do { \
GLuint coord = src_vector( p, &inst->SrcReg[0], program); \
/* Texel lookup */ \
\
- i915_emit_texld( p, \
+ i915_emit_texld( p, get_live_regs(p, inst), \
get_result_vector( p, inst ), \
get_result_flags( inst ), \
sampler, \
@@ -234,6 +266,43 @@ do { \
#define EMIT_2ARG_ARITH( OP ) EMIT_ARITH( OP, 2 )
#define EMIT_3ARG_ARITH( OP ) EMIT_ARITH( OP, 3 )
+/*
+ * TODO: consider moving this into core
+ */
+static void calc_live_regs( struct i915_fragment_program *p )
+{
+ const struct gl_fragment_program *program = p->ctx->FragmentProgram._Current;
+ GLuint regsUsed = 0xffff0000;
+ GLint i;
+
+ for (i = program->Base.NumInstructions - 1; i >= 0; i--) {
+ struct prog_instruction *inst = &program->Base.Instructions[i];
+ int opArgs = _mesa_num_inst_src_regs(inst->Opcode);
+ int a;
+
+ /* Register is written to: unmark as live for this and preceeding ops */
+ if (inst->DstReg.File == PROGRAM_TEMPORARY)
+ regsUsed &= ~(1 << inst->DstReg.Index);
+
+ for (a = 0; a < opArgs; a++) {
+ /* Register is read from: mark as live for this and preceeding ops */
+ if (inst->SrcReg[a].File == PROGRAM_TEMPORARY)
+ regsUsed |= 1 << inst->SrcReg[a].Index;
+ }
+
+ p->usedRegs[i] = regsUsed;
+ }
+}
+
+static GLuint get_live_regs( struct i915_fragment_program *p,
+ const struct prog_instruction *inst )
+{
+ const struct gl_fragment_program *program = p->ctx->FragmentProgram._Current;
+ GLuint nr = inst - program->Base.Instructions;
+
+ return p->usedRegs[nr];
+}
+
/* Possible concerns:
*
@@ -246,9 +315,11 @@ do { \
* can lead to confusion -- hopefully we cope with it ok now.
*
*/
-static void upload_program( struct i915_fragment_program *p )
+static void
+upload_program(struct i915_fragment_program *p)
{
- const struct gl_fragment_program *program = p->ctx->FragmentProgram._Current;
+ const struct gl_fragment_program *program =
+ p->ctx->FragmentProgram._Current;
const struct prog_instruction *inst = program->Base.Instructions;
/* _mesa_debug_fp_inst(program->Base.NumInstructions, inst); */
@@ -258,510 +329,551 @@ static void upload_program( struct i915_fragment_program *p )
* this being uploaded to hardware.
*/
if (inst[0].Opcode == OPCODE_END) {
- GLuint tmp = i915_get_utemp( p );
- i915_emit_arith( p,
- A0_MOV,
- UREG(REG_TYPE_OC, 0),
- A0_DEST_CHANNEL_ALL, 0,
- swizzle(tmp,ONE,ZERO,ONE,ONE), 0, 0);
+ GLuint tmp = i915_get_utemp(p);
+ i915_emit_arith(p,
+ A0_MOV,
+ UREG(REG_TYPE_OC, 0),
+ A0_DEST_CHANNEL_ALL, 0,
+ swizzle(tmp, ONE, ZERO, ONE, ONE), 0, 0);
return;
}
+ if (program->Base.NumInstructions > I915_MAX_INSN) {
+ i915_program_error( p, "Exceeded max instructions" );
+ return;
+ }
+
+ /* Not always needed:
+ */
+ calc_live_regs(p);
+
while (1) {
GLuint src0, src1, src2, flags;
- GLuint tmp = 0;
+ GLuint tmp = 0, consts0 = 0, consts1 = 0;
switch (inst->Opcode) {
- case OPCODE_ABS:
- src0 = src_vector( p, &inst->SrcReg[0], program);
- i915_emit_arith( p,
- A0_MAX,
- get_result_vector( p, inst ),
- get_result_flags( inst ), 0,
- src0, negate(src0, 1,1,1,1), 0);
- break;
-
- case OPCODE_ADD:
- EMIT_2ARG_ARITH( A0_ADD );
- break;
-
- case OPCODE_CMP:
- src0 = src_vector( p, &inst->SrcReg[0], program);
- src1 = src_vector( p, &inst->SrcReg[1], program);
- src2 = src_vector( p, &inst->SrcReg[2], program);
- i915_emit_arith( p,
- A0_CMP,
- get_result_vector( p, inst ),
- get_result_flags( inst ), 0,
- src0, src2, src1); /* NOTE: order of src2, src1 */
- break;
+ case OPCODE_ABS:
+ src0 = src_vector(p, &inst->SrcReg[0], program);
+ i915_emit_arith(p,
+ A0_MAX,
+ get_result_vector(p, inst),
+ get_result_flags(inst), 0,
+ src0, negate(src0, 1, 1, 1, 1), 0);
+ break;
- case OPCODE_COS:
- src0 = src_vector( p, &inst->SrcReg[0], program);
- tmp = i915_get_utemp( p );
+ case OPCODE_ADD:
+ EMIT_2ARG_ARITH(A0_ADD);
+ break;
- i915_emit_arith( p,
- A0_MUL,
- tmp, A0_DEST_CHANNEL_X, 0,
- src0,
- i915_emit_const1f(p, 1.0/(M_PI * 2)),
- 0);
+ case OPCODE_CMP:
+ src0 = src_vector(p, &inst->SrcReg[0], program);
+ src1 = src_vector(p, &inst->SrcReg[1], program);
+ src2 = src_vector(p, &inst->SrcReg[2], program);
+ i915_emit_arith(p, A0_CMP, get_result_vector(p, inst), get_result_flags(inst), 0, src0, src2, src1); /* NOTE: order of src2, src1 */
+ break;
- i915_emit_arith( p,
- A0_MOD,
+ case OPCODE_COS:
+ src0 = src_vector(p, &inst->SrcReg[0], program);
+ tmp = i915_get_utemp(p);
+ consts0 = i915_emit_const4fv(p, sin_quad_constants[0]);
+ consts1 = i915_emit_const4fv(p, sin_quad_constants[1]);
+
+ /* Reduce range from repeating about [-pi,pi] to [-1,1] */
+ i915_emit_arith(p,
+ A0_MAD,
+ tmp, A0_DEST_CHANNEL_X, 0,
+ src0,
+ swizzle(consts1, Z, ZERO, ZERO, ZERO), /* 1/(2pi) */
+ swizzle(consts0, W, ZERO, ZERO, ZERO)); /* .75 */
+
+ i915_emit_arith(p, A0_FRC, tmp, A0_DEST_CHANNEL_X, 0, tmp, 0, 0);
+
+ i915_emit_arith(p,
+ A0_MAD,
tmp, A0_DEST_CHANNEL_X, 0,
- tmp,
- 0, 0 );
+ tmp,
+ swizzle(consts0, X, ZERO, ZERO, ZERO), /* 2 */
+ swizzle(consts0, Y, ZERO, ZERO, ZERO)); /* -1 */
- /* By choosing different taylor constants, could get rid of this mul:
+ /* Compute COS with the same calculation used for SIN, but a
+ * different source range has been mapped to [-1,1] this time.
*/
- i915_emit_arith( p,
- A0_MUL,
- tmp, A0_DEST_CHANNEL_X, 0,
- tmp,
- i915_emit_const1f(p, (M_PI * 2)),
+
+ /* tmp.y = abs(tmp.x); {x, abs(x), 0, 0} */
+ i915_emit_arith(p,
+ A0_MAX,
+ tmp, A0_DEST_CHANNEL_Y, 0,
+ swizzle(tmp, ZERO, X, ZERO, ZERO),
+ negate(swizzle(tmp, ZERO, X, ZERO, ZERO), 0, 1, 0, 0),
0);
- /*
- * t0.xy = MUL x.xx11, x.x1111 ; x^2, x, 1, 1
- * t0 = MUL t0.xyxy t0.xx11 ; x^4, x^3, x^2, 1
- * t0 = MUL t0.xxz1 t0.z111 ; x^6 x^4 x^2 1
- * result = DP4 t0, cos_constants
- */
- i915_emit_arith( p,
+ /* tmp.y = tmp.y * tmp.x; {x, x * abs(x), 0, 0} */
+ i915_emit_arith(p,
A0_MUL,
- tmp, A0_DEST_CHANNEL_XY, 0,
- swizzle(tmp, X,X,ONE,ONE),
- swizzle(tmp, X,ONE,ONE,ONE), 0);
+ tmp, A0_DEST_CHANNEL_Y, 0,
+ swizzle(tmp, ZERO, X, ZERO, ZERO),
+ tmp,
+ 0);
- i915_emit_arith( p,
- A0_MUL,
- tmp, A0_DEST_CHANNEL_XYZ, 0,
- swizzle(tmp, X,Y,X,ONE),
- swizzle(tmp, X,X,ONE,ONE), 0);
+ /* tmp.x = tmp.xy DP sin_quad_constants[2].xy */
+ i915_emit_arith(p,
+ A0_DP3,
+ tmp, A0_DEST_CHANNEL_X, 0,
+ tmp,
+ swizzle(consts1, X, Y, ZERO, ZERO),
+ 0);
- i915_emit_arith( p,
- A0_MUL,
- tmp, A0_DEST_CHANNEL_XYZ, 0,
- swizzle(tmp, X,X,Z,ONE),
- swizzle(tmp, Z,ONE,ONE,ONE), 0);
-
- i915_emit_arith( p,
- A0_DP4,
- get_result_vector( p, inst ),
- get_result_flags( inst ), 0,
- swizzle(tmp, ONE,Z,Y,X),
- i915_emit_const4fv( p, cos_constants ), 0);
-
- break;
-
- case OPCODE_DP3:
- EMIT_2ARG_ARITH( A0_DP3 );
- break;
-
- case OPCODE_DP4:
- EMIT_2ARG_ARITH( A0_DP4 );
- break;
-
- case OPCODE_DPH:
- src0 = src_vector( p, &inst->SrcReg[0], program);
- src1 = src_vector( p, &inst->SrcReg[1], program);
-
- i915_emit_arith( p,
- A0_DP4,
- get_result_vector( p, inst ),
- get_result_flags( inst ), 0,
- swizzle(src0, X,Y,Z,ONE), src1, 0);
- break;
-
- case OPCODE_DST:
- src0 = src_vector( p, &inst->SrcReg[0], program);
- src1 = src_vector( p, &inst->SrcReg[1], program);
-
- /* result[0] = 1 * 1;
- * result[1] = a[1] * b[1];
- * result[2] = a[2] * 1;
- * result[3] = 1 * b[3];
+ /* tmp.x now contains a first approximation (y). Now, weight it
+ * against tmp.y**2 to get closer.
*/
- i915_emit_arith( p,
- A0_MUL,
- get_result_vector( p, inst ),
- get_result_flags( inst ), 0,
- swizzle(src0, ONE, Y, Z, ONE),
- swizzle(src1, ONE, Y, ONE, W ),
+ i915_emit_arith(p,
+ A0_MAX,
+ tmp, A0_DEST_CHANNEL_Y, 0,
+ swizzle(tmp, ZERO, X, ZERO, ZERO),
+ negate(swizzle(tmp, ZERO, X, ZERO, ZERO), 0, 1, 0, 0),
0);
- break;
- case OPCODE_EX2:
- src0 = src_vector( p, &inst->SrcReg[0], program);
+ /* tmp.y = tmp.x * tmp.y - tmp.x; {y, y * abs(y) - y, 0, 0} */
+ i915_emit_arith(p,
+ A0_MAD,
+ tmp, A0_DEST_CHANNEL_Y, 0,
+ swizzle(tmp, ZERO, X, ZERO, ZERO),
+ swizzle(tmp, ZERO, Y, ZERO, ZERO),
+ negate(swizzle(tmp, ZERO, X, ZERO, ZERO), 0, 1, 0, 0));
+
+ /* result = .2225 * tmp.y + tmp.x =.2225(y * abs(y) - y) + y= */
+ i915_emit_arith(p,
+ A0_MAD,
+ get_result_vector(p, inst),
+ get_result_flags(inst), 0,
+ swizzle(consts1, W, W, W, W),
+ swizzle(tmp, Y, Y, Y, Y),
+ swizzle(tmp, X, X, X, X));
+ break;
+
+ case OPCODE_DP3:
+ EMIT_2ARG_ARITH(A0_DP3);
+ break;
+
+ case OPCODE_DP4:
+ EMIT_2ARG_ARITH(A0_DP4);
+ break;
+
+ case OPCODE_DPH:
+ src0 = src_vector(p, &inst->SrcReg[0], program);
+ src1 = src_vector(p, &inst->SrcReg[1], program);
- i915_emit_arith( p,
- A0_EXP,
- get_result_vector( p, inst ),
- get_result_flags( inst ), 0,
- swizzle(src0,X,X,X,X), 0, 0);
- break;
+ i915_emit_arith(p,
+ A0_DP4,
+ get_result_vector(p, inst),
+ get_result_flags(inst), 0,
+ swizzle(src0, X, Y, Z, ONE), src1, 0);
+ break;
+
+ case OPCODE_DST:
+ src0 = src_vector(p, &inst->SrcReg[0], program);
+ src1 = src_vector(p, &inst->SrcReg[1], program);
+
+ /* result[0] = 1 * 1;
+ * result[1] = a[1] * b[1];
+ * result[2] = a[2] * 1;
+ * result[3] = 1 * b[3];
+ */
+ i915_emit_arith(p,
+ A0_MUL,
+ get_result_vector(p, inst),
+ get_result_flags(inst), 0,
+ swizzle(src0, ONE, Y, Z, ONE),
+ swizzle(src1, ONE, Y, ONE, W), 0);
+ break;
- case OPCODE_FLR:
- EMIT_1ARG_ARITH( A0_FLR );
- break;
+ case OPCODE_EX2:
+ src0 = src_vector(p, &inst->SrcReg[0], program);
- case OPCODE_FRC:
- EMIT_1ARG_ARITH( A0_FRC );
- break;
+ i915_emit_arith(p,
+ A0_EXP,
+ get_result_vector(p, inst),
+ get_result_flags(inst), 0,
+ swizzle(src0, X, X, X, X), 0, 0);
+ break;
+
+ case OPCODE_FLR:
+ EMIT_1ARG_ARITH(A0_FLR);
+ break;
+
+ case OPCODE_FRC:
+ EMIT_1ARG_ARITH(A0_FRC);
+ break;
case OPCODE_KIL:
- src0 = src_vector( p, &inst->SrcReg[0], program);
- tmp = i915_get_utemp( p );
-
- i915_emit_texld( p,
- tmp, A0_DEST_CHANNEL_ALL, /* use a dummy dest reg */
- 0,
- src0,
- T0_TEXKILL );
- break;
-
- case OPCODE_LG2:
- src0 = src_vector( p, &inst->SrcReg[0], program);
-
- i915_emit_arith( p,
- A0_LOG,
- get_result_vector( p, inst ),
- get_result_flags( inst ), 0,
- swizzle(src0,X,X,X,X), 0, 0);
- break;
-
- case OPCODE_LIT:
- src0 = src_vector( p, &inst->SrcReg[0], program);
- tmp = i915_get_utemp( p );
-
- /* tmp = max( a.xyzw, a.00zw )
- * XXX: Clamp tmp.w to -128..128
- * tmp.y = log(tmp.y)
- * tmp.y = tmp.w * tmp.y
- * tmp.y = exp(tmp.y)
- * result = cmp (a.11-x1, a.1x01, a.1xy1 )
- */
- i915_emit_arith( p, A0_MAX, tmp, A0_DEST_CHANNEL_ALL, 0,
- src0, swizzle(src0, ZERO, ZERO, Z, W), 0 );
-
- i915_emit_arith( p, A0_LOG, tmp, A0_DEST_CHANNEL_Y, 0,
- swizzle(tmp, Y, Y, Y, Y), 0, 0 );
-
- i915_emit_arith( p, A0_MUL, tmp, A0_DEST_CHANNEL_Y, 0,
- swizzle(tmp, ZERO, Y, ZERO, ZERO),
- swizzle(tmp, ZERO, W, ZERO, ZERO), 0 );
-
- i915_emit_arith( p, A0_EXP, tmp, A0_DEST_CHANNEL_Y, 0,
- swizzle(tmp, Y, Y, Y, Y), 0, 0 );
-
- i915_emit_arith( p, A0_CMP,
- get_result_vector( p, inst ),
- get_result_flags( inst ), 0,
- negate(swizzle(tmp, ONE, ONE, X, ONE),0,0,1,0),
- swizzle(tmp, ONE, X, ZERO, ONE),
- swizzle(tmp, ONE, X, Y, ONE));
-
- break;
-
- case OPCODE_LRP:
- src0 = src_vector( p, &inst->SrcReg[0], program);
- src1 = src_vector( p, &inst->SrcReg[1], program);
- src2 = src_vector( p, &inst->SrcReg[2], program);
- flags = get_result_flags( inst );
- tmp = i915_get_utemp( p );
-
- /* b*a + c*(1-a)
- *
- * b*a + c - ca
- *
- * tmp = b*a + c,
- * result = (-c)*a + tmp
- */
- i915_emit_arith( p, A0_MAD, tmp,
- flags & A0_DEST_CHANNEL_ALL, 0,
- src1, src0, src2 );
+ src0 = src_vector(p, &inst->SrcReg[0], program);
+ tmp = i915_get_utemp(p);
+
+ i915_emit_texld(p, get_live_regs(p, inst),
+ tmp, A0_DEST_CHANNEL_ALL, /* use a dummy dest reg */
+ 0, src0, T0_TEXKILL);
+ break;
+
+ case OPCODE_LG2:
+ src0 = src_vector(p, &inst->SrcReg[0], program);
+
+ i915_emit_arith(p,
+ A0_LOG,
+ get_result_vector(p, inst),
+ get_result_flags(inst), 0,
+ swizzle(src0, X, X, X, X), 0, 0);
+ break;
+
+ case OPCODE_LIT:
+ src0 = src_vector(p, &inst->SrcReg[0], program);
+ tmp = i915_get_utemp(p);
+
+ /* tmp = max( a.xyzw, a.00zw )
+ * XXX: Clamp tmp.w to -128..128
+ * tmp.y = log(tmp.y)
+ * tmp.y = tmp.w * tmp.y
+ * tmp.y = exp(tmp.y)
+ * result = cmp (a.11-x1, a.1x01, a.1xy1 )
+ */
+ i915_emit_arith(p, A0_MAX, tmp, A0_DEST_CHANNEL_ALL, 0,
+ src0, swizzle(src0, ZERO, ZERO, Z, W), 0);
+
+ i915_emit_arith(p, A0_LOG, tmp, A0_DEST_CHANNEL_Y, 0,
+ swizzle(tmp, Y, Y, Y, Y), 0, 0);
+
+ i915_emit_arith(p, A0_MUL, tmp, A0_DEST_CHANNEL_Y, 0,
+ swizzle(tmp, ZERO, Y, ZERO, ZERO),
+ swizzle(tmp, ZERO, W, ZERO, ZERO), 0);
+
+ i915_emit_arith(p, A0_EXP, tmp, A0_DEST_CHANNEL_Y, 0,
+ swizzle(tmp, Y, Y, Y, Y), 0, 0);
+
+ i915_emit_arith(p, A0_CMP,
+ get_result_vector(p, inst),
+ get_result_flags(inst), 0,
+ negate(swizzle(tmp, ONE, ONE, X, ONE), 0, 0, 1, 0),
+ swizzle(tmp, ONE, X, ZERO, ONE),
+ swizzle(tmp, ONE, X, Y, ONE));
- i915_emit_arith( p, A0_MAD,
- get_result_vector( p, inst ),
- flags, 0,
- negate(src2, 1,1,1,1), src0, tmp );
- break;
+ break;
+
+ case OPCODE_LRP:
+ src0 = src_vector(p, &inst->SrcReg[0], program);
+ src1 = src_vector(p, &inst->SrcReg[1], program);
+ src2 = src_vector(p, &inst->SrcReg[2], program);
+ flags = get_result_flags(inst);
+ tmp = i915_get_utemp(p);
+
+ /* b*a + c*(1-a)
+ *
+ * b*a + c - ca
+ *
+ * tmp = b*a + c,
+ * result = (-c)*a + tmp
+ */
+ i915_emit_arith(p, A0_MAD, tmp,
+ flags & A0_DEST_CHANNEL_ALL, 0, src1, src0, src2);
+
+ i915_emit_arith(p, A0_MAD,
+ get_result_vector(p, inst),
+ flags, 0, negate(src2, 1, 1, 1, 1), src0, tmp);
+ break;
case OPCODE_MAD:
- EMIT_3ARG_ARITH( A0_MAD );
- break;
+ EMIT_3ARG_ARITH(A0_MAD);
+ break;
case OPCODE_MAX:
- EMIT_2ARG_ARITH( A0_MAX );
- break;
-
- case OPCODE_MIN:
- src0 = src_vector( p, &inst->SrcReg[0], program);
- src1 = src_vector( p, &inst->SrcReg[1], program);
- tmp = i915_get_utemp( p );
- flags = get_result_flags( inst );
-
- i915_emit_arith( p,
- A0_MAX,
- tmp, flags & A0_DEST_CHANNEL_ALL, 0,
- negate(src0,1,1,1,1),
- negate(src1,1,1,1,1), 0);
-
- i915_emit_arith( p,
- A0_MOV,
- get_result_vector( p, inst ),
- flags, 0,
- negate(tmp, 1,1,1,1), 0, 0);
- break;
-
- case OPCODE_MOV:
- EMIT_1ARG_ARITH( A0_MOV );
- break;
-
- case OPCODE_MUL:
- EMIT_2ARG_ARITH( A0_MUL );
- break;
-
- case OPCODE_POW:
- src0 = src_vector( p, &inst->SrcReg[0], program);
- src1 = src_vector( p, &inst->SrcReg[1], program);
- tmp = i915_get_utemp( p );
- flags = get_result_flags( inst );
-
- /* XXX: masking on intermediate values, here and elsewhere.
- */
- i915_emit_arith( p,
- A0_LOG,
- tmp, A0_DEST_CHANNEL_X, 0,
- swizzle(src0,X,X,X,X), 0, 0);
+ EMIT_2ARG_ARITH(A0_MAX);
+ break;
- i915_emit_arith( p,
- A0_MUL,
- tmp, A0_DEST_CHANNEL_X, 0,
- tmp, src1, 0);
+ case OPCODE_MIN:
+ src0 = src_vector(p, &inst->SrcReg[0], program);
+ src1 = src_vector(p, &inst->SrcReg[1], program);
+ tmp = i915_get_utemp(p);
+ flags = get_result_flags(inst);
+
+ i915_emit_arith(p,
+ A0_MAX,
+ tmp, flags & A0_DEST_CHANNEL_ALL, 0,
+ negate(src0, 1, 1, 1, 1),
+ negate(src1, 1, 1, 1, 1), 0);
+
+ i915_emit_arith(p,
+ A0_MOV,
+ get_result_vector(p, inst),
+ flags, 0, negate(tmp, 1, 1, 1, 1), 0, 0);
+ break;
+ case OPCODE_MOV:
+ EMIT_1ARG_ARITH(A0_MOV);
+ break;
- i915_emit_arith( p,
- A0_EXP,
- get_result_vector( p, inst ),
- flags, 0,
- swizzle(tmp,X,X,X,X), 0, 0);
+ case OPCODE_MUL:
+ EMIT_2ARG_ARITH(A0_MUL);
+ break;
- break;
+ case OPCODE_POW:
+ src0 = src_vector(p, &inst->SrcReg[0], program);
+ src1 = src_vector(p, &inst->SrcReg[1], program);
+ tmp = i915_get_utemp(p);
+ flags = get_result_flags(inst);
- case OPCODE_RCP:
- src0 = src_vector( p, &inst->SrcReg[0], program);
+ /* XXX: masking on intermediate values, here and elsewhere.
+ */
+ i915_emit_arith(p,
+ A0_LOG,
+ tmp, A0_DEST_CHANNEL_X, 0,
+ swizzle(src0, X, X, X, X), 0, 0);
- i915_emit_arith( p,
- A0_RCP,
- get_result_vector( p, inst ),
- get_result_flags( inst ), 0,
- swizzle(src0,X,X,X,X), 0, 0);
- break;
+ i915_emit_arith(p, A0_MUL, tmp, A0_DEST_CHANNEL_X, 0, tmp, src1, 0);
- case OPCODE_RSQ:
- src0 = src_vector( p, &inst->SrcReg[0], program);
+ i915_emit_arith(p,
+ A0_EXP,
+ get_result_vector(p, inst),
+ flags, 0, swizzle(tmp, X, X, X, X), 0, 0);
+
+ break;
+
+ case OPCODE_RCP:
+ src0 = src_vector(p, &inst->SrcReg[0], program);
+
+ i915_emit_arith(p,
+ A0_RCP,
+ get_result_vector(p, inst),
+ get_result_flags(inst), 0,
+ swizzle(src0, X, X, X, X), 0, 0);
+ break;
+
+ case OPCODE_RSQ:
+
+ src0 = src_vector(p, &inst->SrcReg[0], program);
+
+ i915_emit_arith(p,
+ A0_RSQ,
+ get_result_vector(p, inst),
+ get_result_flags(inst), 0,
+ swizzle(src0, X, X, X, X), 0, 0);
+ break;
- i915_emit_arith( p,
- A0_RSQ,
- get_result_vector( p, inst ),
- get_result_flags( inst ), 0,
- swizzle(src0,X,X,X,X), 0, 0);
- break;
-
case OPCODE_SCS:
- src0 = src_vector( p, &inst->SrcReg[0], program);
- tmp = i915_get_utemp( p );
-
- /*
- * t0.xy = MUL x.xx11, x.x1111 ; x^2, x, 1, 1
- * t0 = MUL t0.xyxy t0.xx11 ; x^4, x^3, x^2, x
- * t1 = MUL t0.xyyw t0.yz11 ; x^7 x^5 x^3 x
- * scs.x = DP4 t1, sin_constants
- * t1 = MUL t0.xxz1 t0.z111 ; x^6 x^4 x^2 1
- * scs.y = DP4 t1, cos_constants
- */
- i915_emit_arith( p,
- A0_MUL,
- tmp, A0_DEST_CHANNEL_XY, 0,
- swizzle(src0, X,X,ONE,ONE),
- swizzle(src0, X,ONE,ONE,ONE), 0);
+ src0 = src_vector(p, &inst->SrcReg[0], program);
+ tmp = i915_get_utemp(p);
+
+ /*
+ * t0.xy = MUL x.xx11, x.x1111 ; x^2, x, 1, 1
+ * t0 = MUL t0.xyxy t0.xx11 ; x^4, x^3, x^2, x
+ * t1 = MUL t0.xyyw t0.yz11 ; x^7 x^5 x^3 x
+ * scs.x = DP4 t1, sin_constants
+ * t1 = MUL t0.xxz1 t0.z111 ; x^6 x^4 x^2 1
+ * scs.y = DP4 t1, cos_constants
+ */
+ i915_emit_arith(p,
+ A0_MUL,
+ tmp, A0_DEST_CHANNEL_XY, 0,
+ swizzle(src0, X, X, ONE, ONE),
+ swizzle(src0, X, ONE, ONE, ONE), 0);
+
+ i915_emit_arith(p,
+ A0_MUL,
+ tmp, A0_DEST_CHANNEL_ALL, 0,
+ swizzle(tmp, X, Y, X, Y),
+ swizzle(tmp, X, X, ONE, ONE), 0);
+
+ if (inst->DstReg.WriteMask & WRITEMASK_Y) {
+ GLuint tmp1;
+
+ if (inst->DstReg.WriteMask & WRITEMASK_X)
+ tmp1 = i915_get_utemp(p);
+ else
+ tmp1 = tmp;
+
+ i915_emit_arith(p,
+ A0_MUL,
+ tmp1, A0_DEST_CHANNEL_ALL, 0,
+ swizzle(tmp, X, Y, Y, W),
+ swizzle(tmp, X, Z, ONE, ONE), 0);
+
+ i915_emit_arith(p,
+ A0_DP4,
+ get_result_vector(p, inst),
+ A0_DEST_CHANNEL_Y, 0,
+ swizzle(tmp1, W, Z, Y, X),
+ i915_emit_const4fv(p, sin_constants), 0);
+ }
+
+ if (inst->DstReg.WriteMask & WRITEMASK_X) {
+ i915_emit_arith(p,
+ A0_MUL,
+ tmp, A0_DEST_CHANNEL_XYZ, 0,
+ swizzle(tmp, X, X, Z, ONE),
+ swizzle(tmp, Z, ONE, ONE, ONE), 0);
+
+ i915_emit_arith(p,
+ A0_DP4,
+ get_result_vector(p, inst),
+ A0_DEST_CHANNEL_X, 0,
+ swizzle(tmp, ONE, Z, Y, X),
+ i915_emit_const4fv(p, cos_constants), 0);
+ }
+ break;
- i915_emit_arith( p,
- A0_MUL,
- tmp, A0_DEST_CHANNEL_ALL, 0,
- swizzle(tmp, X,Y,X,Y),
- swizzle(tmp, X,X,ONE,ONE), 0);
-
- if (inst->DstReg.WriteMask & WRITEMASK_Y) {
- GLuint tmp1;
-
- if (inst->DstReg.WriteMask & WRITEMASK_X)
- tmp1 = i915_get_utemp( p );
- else
- tmp1 = tmp;
-
- i915_emit_arith( p,
- A0_MUL,
- tmp1, A0_DEST_CHANNEL_ALL, 0,
- swizzle(tmp, X,Y,Y,W),
- swizzle(tmp, X,Z,ONE,ONE), 0);
-
- i915_emit_arith( p,
- A0_DP4,
- get_result_vector( p, inst ),
- A0_DEST_CHANNEL_Y, 0,
- swizzle(tmp1, W,Z,Y,X),
- i915_emit_const4fv( p, sin_constants ), 0);
- }
-
- if (inst->DstReg.WriteMask & WRITEMASK_X) {
- i915_emit_arith( p,
- A0_MUL,
- tmp, A0_DEST_CHANNEL_XYZ, 0,
- swizzle(tmp, X,X,Z,ONE),
- swizzle(tmp, Z,ONE,ONE,ONE), 0);
-
- i915_emit_arith( p,
- A0_DP4,
- get_result_vector( p, inst ),
- A0_DEST_CHANNEL_X, 0,
- swizzle(tmp, ONE,Z,Y,X),
- i915_emit_const4fv( p, cos_constants ), 0);
- }
- break;
-
- case OPCODE_SGE:
- EMIT_2ARG_ARITH( A0_SGE );
- break;
+ case OPCODE_SGE:
+ EMIT_2ARG_ARITH(A0_SGE);
+ break;
case OPCODE_SIN:
- src0 = src_vector( p, &inst->SrcReg[0], program);
- tmp = i915_get_utemp( p );
+ src0 = src_vector(p, &inst->SrcReg[0], program);
+ tmp = i915_get_utemp(p);
+ consts0 = i915_emit_const4fv(p, sin_quad_constants[0]);
+ consts1 = i915_emit_const4fv(p, sin_quad_constants[1]);
+
+ /* Reduce range from repeating about [-pi,pi] to [-1,1] */
+ i915_emit_arith(p,
+ A0_MAD,
+ tmp, A0_DEST_CHANNEL_X, 0,
+ src0,
+ swizzle(consts1, Z, ZERO, ZERO, ZERO), /* 1/(2pi) */
+ swizzle(consts0, Z, ZERO, ZERO, ZERO)); /* .5 */
+
+ i915_emit_arith(p, A0_FRC, tmp, A0_DEST_CHANNEL_X, 0, tmp, 0, 0);
+
+ i915_emit_arith(p,
+ A0_MAD,
+ tmp, A0_DEST_CHANNEL_X, 0,
+ tmp,
+ swizzle(consts0, X, ZERO, ZERO, ZERO), /* 2 */
+ swizzle(consts0, Y, ZERO, ZERO, ZERO)); /* -1 */
- i915_emit_arith( p,
+ /* Compute sin using a quadratic and quartic. It gives continuity
+ * that repeating the Taylor series lacks every 2*pi, and has
+ * reduced error.
+ *
+ * The idea was described at:
+ * http://www.devmaster.net/forums/showthread.php?t=5784
+ */
+
+ /* tmp.y = abs(tmp.x); {x, abs(x), 0, 0} */
+ i915_emit_arith(p,
+ A0_MAX,
+ tmp, A0_DEST_CHANNEL_Y, 0,
+ swizzle(tmp, ZERO, X, ZERO, ZERO),
+ negate(swizzle(tmp, ZERO, X, ZERO, ZERO), 0, 1, 0, 0),
+ 0);
+
+ /* tmp.y = tmp.y * tmp.x; {x, x * abs(x), 0, 0} */
+ i915_emit_arith(p,
A0_MUL,
- tmp, A0_DEST_CHANNEL_X, 0,
- src0,
- i915_emit_const1f(p, 1.0/(M_PI * 2)),
+ tmp, A0_DEST_CHANNEL_Y, 0,
+ swizzle(tmp, ZERO, X, ZERO, ZERO),
+ tmp,
0);
- i915_emit_arith( p,
- A0_MOD,
- tmp, A0_DEST_CHANNEL_X, 0,
- tmp,
- 0, 0 );
+ /* tmp.x = tmp.xy DP sin_quad_constants[2].xy */
+ i915_emit_arith(p,
+ A0_DP3,
+ tmp, A0_DEST_CHANNEL_X, 0,
+ tmp,
+ swizzle(consts1, X, Y, ZERO, ZERO),
+ 0);
- /* By choosing different taylor constants, could get rid of this mul:
+ /* tmp.x now contains a first approximation (y). Now, weight it
+ * against tmp.y**2 to get closer.
*/
- i915_emit_arith( p,
- A0_MUL,
- tmp, A0_DEST_CHANNEL_X, 0,
- tmp,
- i915_emit_const1f(p, (M_PI * 2)),
+ i915_emit_arith(p,
+ A0_MAX,
+ tmp, A0_DEST_CHANNEL_Y, 0,
+ swizzle(tmp, ZERO, X, ZERO, ZERO),
+ negate(swizzle(tmp, ZERO, X, ZERO, ZERO), 0, 1, 0, 0),
0);
- /*
- * t0.xy = MUL x.xx11, x.x1111 ; x^2, x, 1, 1
- * t0 = MUL t0.xyxy t0.xx11 ; x^4, x^3, x^2, x
- * t1 = MUL t0.xyyw t0.yz11 ; x^7 x^5 x^3 x
- * result = DP4 t1.wzyx, sin_constants
- */
- i915_emit_arith( p,
- A0_MUL,
- tmp, A0_DEST_CHANNEL_XY, 0,
- swizzle(tmp, X,X,ONE,ONE),
- swizzle(tmp, X,ONE,ONE,ONE), 0);
+ /* tmp.y = tmp.x * tmp.y - tmp.x; {y, y * abs(y) - y, 0, 0} */
+ i915_emit_arith(p,
+ A0_MAD,
+ tmp, A0_DEST_CHANNEL_Y, 0,
+ swizzle(tmp, ZERO, X, ZERO, ZERO),
+ swizzle(tmp, ZERO, Y, ZERO, ZERO),
+ negate(swizzle(tmp, ZERO, X, ZERO, ZERO), 0, 1, 0, 0));
- i915_emit_arith( p,
- A0_MUL,
- tmp, A0_DEST_CHANNEL_ALL, 0,
- swizzle(tmp, X,Y,X,Y),
- swizzle(tmp, X,X,ONE,ONE), 0);
+ /* result = .2225 * tmp.y + tmp.x =.2225(y * abs(y) - y) + y= */
+ i915_emit_arith(p,
+ A0_MAD,
+ get_result_vector(p, inst),
+ get_result_flags(inst), 0,
+ swizzle(consts1, W, W, W, W),
+ swizzle(tmp, Y, Y, Y, Y),
+ swizzle(tmp, X, X, X, X));
- i915_emit_arith( p,
- A0_MUL,
- tmp, A0_DEST_CHANNEL_ALL, 0,
- swizzle(tmp, X,Y,Y,W),
- swizzle(tmp, X,Z,ONE,ONE), 0);
-
- i915_emit_arith( p,
- A0_DP4,
- get_result_vector( p, inst ),
- get_result_flags( inst ), 0,
- swizzle(tmp, W, Z, Y, X ),
- i915_emit_const4fv( p, sin_constants ), 0);
- break;
-
- case OPCODE_SLT:
- EMIT_2ARG_ARITH( A0_SLT );
- break;
-
- case OPCODE_SUB:
- src0 = src_vector( p, &inst->SrcReg[0], program);
- src1 = src_vector( p, &inst->SrcReg[1], program);
-
- i915_emit_arith( p,
- A0_ADD,
- get_result_vector( p, inst ),
- get_result_flags( inst ), 0,
- src0, negate(src1, 1,1,1,1), 0);
- break;
-
- case OPCODE_SWZ:
- EMIT_1ARG_ARITH( A0_MOV ); /* extended swizzle handled natively */
- break;
-
- case OPCODE_TEX:
- EMIT_TEX( T0_TEXLD );
- break;
+ break;
+
+ case OPCODE_SLT:
+ EMIT_2ARG_ARITH(A0_SLT);
+ break;
+
+ case OPCODE_SUB:
+ src0 = src_vector(p, &inst->SrcReg[0], program);
+ src1 = src_vector(p, &inst->SrcReg[1], program);
+
+ i915_emit_arith(p,
+ A0_ADD,
+ get_result_vector(p, inst),
+ get_result_flags(inst), 0,
+ src0, negate(src1, 1, 1, 1, 1), 0);
+ break;
+
+ case OPCODE_SWZ:
+ EMIT_1ARG_ARITH(A0_MOV); /* extended swizzle handled natively */
+ break;
+
+ case OPCODE_TEX:
+ EMIT_TEX(T0_TEXLD);
+ break;
case OPCODE_TXB:
- EMIT_TEX( T0_TEXLDB );
- break;
+ EMIT_TEX(T0_TEXLDB);
+ break;
case OPCODE_TXP:
- EMIT_TEX( T0_TEXLDP );
- break;
+ EMIT_TEX(T0_TEXLDP);
+ break;
case OPCODE_XPD:
- /* Cross product:
- * result.x = src0.y * src1.z - src0.z * src1.y;
- * result.y = src0.z * src1.x - src0.x * src1.z;
- * result.z = src0.x * src1.y - src0.y * src1.x;
- * result.w = undef;
- */
- src0 = src_vector( p, &inst->SrcReg[0], program);
- src1 = src_vector( p, &inst->SrcReg[1], program);
- tmp = i915_get_utemp( p );
-
- i915_emit_arith( p,
- A0_MUL,
- tmp, A0_DEST_CHANNEL_ALL, 0,
- swizzle(src0,Z,X,Y,ONE),
- swizzle(src1,Y,Z,X,ONE), 0);
-
- i915_emit_arith( p,
- A0_MAD,
- get_result_vector( p, inst ),
- get_result_flags( inst ), 0,
- swizzle(src0,Y,Z,X,ONE),
- swizzle(src1,Z,X,Y,ONE),
- negate(tmp,1,1,1,0));
- break;
+ /* Cross product:
+ * result.x = src0.y * src1.z - src0.z * src1.y;
+ * result.y = src0.z * src1.x - src0.x * src1.z;
+ * result.z = src0.x * src1.y - src0.y * src1.x;
+ * result.w = undef;
+ */
+ src0 = src_vector(p, &inst->SrcReg[0], program);
+ src1 = src_vector(p, &inst->SrcReg[1], program);
+ tmp = i915_get_utemp(p);
+
+ i915_emit_arith(p,
+ A0_MUL,
+ tmp, A0_DEST_CHANNEL_ALL, 0,
+ swizzle(src0, Z, X, Y, ONE),
+ swizzle(src1, Y, Z, X, ONE), 0);
+
+ i915_emit_arith(p,
+ A0_MAD,
+ get_result_vector(p, inst),
+ get_result_flags(inst), 0,
+ swizzle(src0, Y, Z, X, ONE),
+ swizzle(src1, Z, X, Y, ONE),
+ negate(tmp, 1, 1, 1, 0));
+ break;
case OPCODE_END:
- return;
-
+ return;
+
default:
- i915_program_error( p, "bad opcode" );
- return;
+ i915_program_error(p, "bad opcode");
+ return;
}
inst++;
- i915_release_utemps( p );
+ i915_release_utemps(p);
}
}
@@ -769,21 +881,22 @@ static void upload_program( struct i915_fragment_program *p )
* emit, just move the value into its correct position at the end of
* the program:
*/
-static void fixup_depth_write( struct i915_fragment_program *p )
+static void
+fixup_depth_write(struct i915_fragment_program *p)
{
if (p->depth_written) {
GLuint depth = UREG(REG_TYPE_OD, 0);
- i915_emit_arith( p,
- A0_MOV,
- depth, A0_DEST_CHANNEL_W, 0,
- swizzle(depth,X,Y,Z,Z),
- 0, 0);
+ i915_emit_arith(p,
+ A0_MOV,
+ depth, A0_DEST_CHANNEL_W, 0,
+ swizzle(depth, X, Y, Z, Z), 0, 0);
}
}
-static void check_wpos( struct i915_fragment_program *p )
+static void
+check_wpos(struct i915_fragment_program *p)
{
GLuint inputs = p->FragProg.Base.InputsRead;
GLint i;
@@ -791,12 +904,12 @@ static void check_wpos( struct i915_fragment_program *p )
p->wpos_tex = -1;
for (i = 0; i < p->ctx->Const.MaxTextureCoordUnits; i++) {
- if (inputs & FRAG_BIT_TEX(i))
- continue;
+ if (inputs & FRAG_BIT_TEX(i))
+ continue;
else if (inputs & FRAG_BIT_WPOS) {
- p->wpos_tex = i;
- inputs &= ~FRAG_BIT_WPOS;
- }
+ p->wpos_tex = i;
+ inputs &= ~FRAG_BIT_WPOS;
+ }
}
if (inputs & FRAG_BIT_WPOS) {
@@ -805,53 +918,54 @@ static void check_wpos( struct i915_fragment_program *p )
}
-static void translate_program( struct i915_fragment_program *p )
+static void
+translate_program(struct i915_fragment_program *p)
{
- i915ContextPtr i915 = I915_CONTEXT(p->ctx);
-
- i915_init_program( i915, p );
- check_wpos( p );
- upload_program( p );
- fixup_depth_write( p );
- i915_fini_program( p );
-
+ struct i915_context *i915 = I915_CONTEXT(p->ctx);
+
+ i915_init_program(i915, p);
+ check_wpos(p);
+ upload_program(p);
+ fixup_depth_write(p);
+ i915_fini_program(p);
+
p->translated = 1;
}
-static void track_params( struct i915_fragment_program *p )
+static void
+track_params(struct i915_fragment_program *p)
{
GLint i;
if (p->nr_params)
- _mesa_load_state_parameters(p->ctx, p->FragProg.Base.Parameters);
+ _mesa_load_state_parameters(p->ctx, p->FragProg.Base.Parameters);
for (i = 0; i < p->nr_params; i++) {
GLint reg = p->param[i].reg;
- COPY_4V( p->constant[reg], p->param[i].values );
+ COPY_4V(p->constant[reg], p->param[i].values);
}
-
+
p->params_uptodate = 1;
- p->on_hardware = 0; /* overkill */
+ p->on_hardware = 0; /* overkill */
}
-static void i915BindProgram( GLcontext *ctx,
- GLenum target,
- struct gl_program *prog )
+static void
+i915BindProgram(GLcontext * ctx, GLenum target, struct gl_program *prog)
{
if (target == GL_FRAGMENT_PROGRAM_ARB) {
- i915ContextPtr i915 = I915_CONTEXT(ctx);
- struct i915_fragment_program *p = (struct i915_fragment_program *)prog;
+ struct i915_context *i915 = I915_CONTEXT(ctx);
+ struct i915_fragment_program *p = (struct i915_fragment_program *) prog;
+
+ if (i915->current_program == p)
+ return;
- if (i915->current_program == p)
- return;
-
if (i915->current_program) {
- i915->current_program->on_hardware = 0;
- i915->current_program->params_uptodate = 0;
+ i915->current_program->on_hardware = 0;
+ i915->current_program->params_uptodate = 0;
}
-
+
i915->current_program = p;
assert(p->on_hardware == 0);
@@ -860,71 +974,70 @@ static void i915BindProgram( GLcontext *ctx,
}
}
-static struct gl_program *i915NewProgram( GLcontext *ctx,
- GLenum target,
- GLuint id )
+static struct gl_program *
+i915NewProgram(GLcontext * ctx, GLenum target, GLuint id)
{
switch (target) {
case GL_VERTEX_PROGRAM_ARB:
- return _mesa_init_vertex_program( ctx, CALLOC_STRUCT(gl_vertex_program),
- target, id );
-
- case GL_FRAGMENT_PROGRAM_ARB: {
- struct i915_fragment_program *prog = CALLOC_STRUCT(i915_fragment_program);
- if (prog) {
- i915_init_program( I915_CONTEXT(ctx), prog );
-
- return _mesa_init_fragment_program( ctx, &prog->FragProg,
- target, id );
+ return _mesa_init_vertex_program(ctx, CALLOC_STRUCT(gl_vertex_program),
+ target, id);
+
+ case GL_FRAGMENT_PROGRAM_ARB:{
+ struct i915_fragment_program *prog =
+ CALLOC_STRUCT(i915_fragment_program);
+ if (prog) {
+ i915_init_program(I915_CONTEXT(ctx), prog);
+
+ return _mesa_init_fragment_program(ctx, &prog->FragProg,
+ target, id);
+ }
+ else
+ return NULL;
}
- else
- return NULL;
- }
default:
/* Just fallback:
*/
- return _mesa_new_program( ctx, target, id );
+ return _mesa_new_program(ctx, target, id);
}
}
-static void i915DeleteProgram( GLcontext *ctx,
- struct gl_program *prog )
+static void
+i915DeleteProgram(GLcontext * ctx, struct gl_program *prog)
{
if (prog->Target == GL_FRAGMENT_PROGRAM_ARB) {
- i915ContextPtr i915 = I915_CONTEXT(ctx);
- struct i915_fragment_program *p = (struct i915_fragment_program *)prog;
-
- if (i915->current_program == p)
- i915->current_program = 0;
+ struct i915_context *i915 = I915_CONTEXT(ctx);
+ struct i915_fragment_program *p = (struct i915_fragment_program *) prog;
+
+ if (i915->current_program == p)
+ i915->current_program = 0;
}
- _mesa_delete_program( ctx, prog );
+ _mesa_delete_program(ctx, prog);
}
-static GLboolean i915IsProgramNative( GLcontext *ctx,
- GLenum target,
- struct gl_program *prog )
+static GLboolean
+i915IsProgramNative(GLcontext * ctx, GLenum target, struct gl_program *prog)
{
if (target == GL_FRAGMENT_PROGRAM_ARB) {
- struct i915_fragment_program *p = (struct i915_fragment_program *)prog;
+ struct i915_fragment_program *p = (struct i915_fragment_program *) prog;
if (!p->translated)
- translate_program( p );
-
+ translate_program(p);
+
return !p->error;
}
else
return GL_TRUE;
}
-static void i915ProgramStringNotify( GLcontext *ctx,
- GLenum target,
- struct gl_program *prog )
+static void
+i915ProgramStringNotify(GLcontext * ctx,
+ GLenum target, struct gl_program *prog)
{
if (target == GL_FRAGMENT_PROGRAM_ARB) {
- struct i915_fragment_program *p = (struct i915_fragment_program *)prog;
+ struct i915_fragment_program *p = (struct i915_fragment_program *) prog;
p->translated = 0;
/* Hack: make sure fog is correctly enabled according to this
@@ -941,28 +1054,28 @@ static void i915ProgramStringNotify( GLcontext *ctx,
}
-void i915ValidateFragmentProgram( i915ContextPtr i915 )
+void
+i915ValidateFragmentProgram(struct i915_context *i915)
{
GLcontext *ctx = &i915->intel.ctx;
- intelContextPtr intel = INTEL_CONTEXT(ctx);
+ struct intel_context *intel = intel_context(ctx);
TNLcontext *tnl = TNL_CONTEXT(ctx);
struct vertex_buffer *VB = &tnl->vb;
- struct i915_fragment_program *p =
- (struct i915_fragment_program *)ctx->FragmentProgram._Current;
+ struct i915_fragment_program *p =
+ (struct i915_fragment_program *) ctx->FragmentProgram._Current;
const GLuint inputsRead = p->FragProg.Base.InputsRead;
GLuint s4 = i915->state.Ctx[I915_CTXREG_LIS4] & ~S4_VFMT_MASK;
GLuint s2 = S2_TEXCOORD_NONE;
int i, offset = 0;
- if (i915->current_program != p)
- {
+ if (i915->current_program != p) {
if (i915->current_program) {
- i915->current_program->on_hardware = 0;
- i915->current_program->params_uptodate = 0;
+ i915->current_program->on_hardware = 0;
+ i915->current_program->params_uptodate = 0;
}
-
+
i915->current_program = p;
}
@@ -971,8 +1084,8 @@ void i915ValidateFragmentProgram( i915ContextPtr i915 )
*/
VB->AttribPtr[VERT_ATTRIB_POS] = VB->NdcPtr;
- if (!p->translated)
- translate_program( p );
+ if (!p->translated)
+ translate_program(p);
intel->vertex_attr_count = 0;
intel->wpos_offset = 0;
@@ -981,31 +1094,31 @@ void i915ValidateFragmentProgram( i915ContextPtr i915 )
intel->specoffset = 0;
if (inputsRead & FRAG_BITS_TEX_ANY) {
- EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_4F_VIEWPORT, S4_VFMT_XYZW, 16 );
+ EMIT_ATTR(_TNL_ATTRIB_POS, EMIT_4F_VIEWPORT, S4_VFMT_XYZW, 16);
}
else {
- EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_3F_VIEWPORT, S4_VFMT_XYZ, 12 );
+ EMIT_ATTR(_TNL_ATTRIB_POS, EMIT_3F_VIEWPORT, S4_VFMT_XYZ, 12);
}
if (inputsRead & FRAG_BIT_COL0) {
intel->coloroffset = offset / 4;
- EMIT_ATTR( _TNL_ATTRIB_COLOR0, EMIT_4UB_4F_BGRA, S4_VFMT_COLOR, 4 );
+ EMIT_ATTR(_TNL_ATTRIB_COLOR0, EMIT_4UB_4F_BGRA, S4_VFMT_COLOR, 4);
}
-
- if ((inputsRead & (FRAG_BIT_COL1|FRAG_BIT_FOGC)) ||
+
+ if ((inputsRead & (FRAG_BIT_COL1 | FRAG_BIT_FOGC)) ||
i915->vertex_fog != I915_FOG_NONE) {
if (inputsRead & FRAG_BIT_COL1) {
- intel->specoffset = offset / 4;
- EMIT_ATTR( _TNL_ATTRIB_COLOR1, EMIT_3UB_3F_BGR, S4_VFMT_SPEC_FOG, 3 );
+ intel->specoffset = offset / 4;
+ EMIT_ATTR(_TNL_ATTRIB_COLOR1, EMIT_3UB_3F_BGR, S4_VFMT_SPEC_FOG, 3);
}
else
- EMIT_PAD(3);
+ EMIT_PAD(3);
- if ((inputsRead & FRAG_BIT_FOGC) || i915->vertex_fog != I915_FOG_NONE)
- EMIT_ATTR( _TNL_ATTRIB_FOG, EMIT_1UB_1F, S4_VFMT_SPEC_FOG, 1 );
+ if ((inputsRead & FRAG_BIT_FOGC) || i915->vertex_fog != I915_FOG_NONE)
+ EMIT_ATTR(_TNL_ATTRIB_FOG, EMIT_1UB_1F, S4_VFMT_SPEC_FOG, 1);
else
- EMIT_PAD( 1 );
+ EMIT_PAD(1);
}
/* XXX this was disabled, but enabling this code helped fix the Glean
@@ -1013,63 +1126,66 @@ void i915ValidateFragmentProgram( i915ContextPtr i915 )
*/
#if 1
if ((inputsRead & FRAG_BIT_FOGC) || i915->vertex_fog != I915_FOG_NONE) {
- EMIT_ATTR( _TNL_ATTRIB_FOG, EMIT_1F, S4_VFMT_FOG_PARAM, 4 );
+ EMIT_ATTR(_TNL_ATTRIB_FOG, EMIT_1F, S4_VFMT_FOG_PARAM, 4);
}
#endif
for (i = 0; i < p->ctx->Const.MaxTextureCoordUnits; i++) {
if (inputsRead & FRAG_BIT_TEX(i)) {
- int sz = VB->TexCoordPtr[i]->size;
-
- s2 &= ~S2_TEXCOORD_FMT(i, S2_TEXCOORD_FMT0_MASK);
- s2 |= S2_TEXCOORD_FMT(i, SZ_TO_HW(sz));
+ int sz = VB->TexCoordPtr[i]->size;
- EMIT_ATTR( _TNL_ATTRIB_TEX0+i, EMIT_SZ(sz), 0, sz * 4 );
+ s2 &= ~S2_TEXCOORD_FMT(i, S2_TEXCOORD_FMT0_MASK);
+ s2 |= S2_TEXCOORD_FMT(i, SZ_TO_HW(sz));
+
+ EMIT_ATTR(_TNL_ATTRIB_TEX0 + i, EMIT_SZ(sz), 0, sz * 4);
}
else if (i == p->wpos_tex) {
-
- /* If WPOS is required, duplicate the XYZ position data in an
- * unused texture coordinate:
- */
- s2 &= ~S2_TEXCOORD_FMT(i, S2_TEXCOORD_FMT0_MASK);
- s2 |= S2_TEXCOORD_FMT(i, SZ_TO_HW(3));
- intel->wpos_offset = offset;
- intel->wpos_size = 3 * sizeof(GLuint);
+ /* If WPOS is required, duplicate the XYZ position data in an
+ * unused texture coordinate:
+ */
+ s2 &= ~S2_TEXCOORD_FMT(i, S2_TEXCOORD_FMT0_MASK);
+ s2 |= S2_TEXCOORD_FMT(i, SZ_TO_HW(3));
+
+ intel->wpos_offset = offset;
+ intel->wpos_size = 3 * sizeof(GLuint);
- EMIT_PAD( intel->wpos_size );
- }
+ EMIT_PAD(intel->wpos_size);
+ }
}
if (s2 != i915->state.Ctx[I915_CTXREG_LIS2] ||
s4 != i915->state.Ctx[I915_CTXREG_LIS4]) {
-
- I915_STATECHANGE( i915, I915_UPLOAD_CTX );
+ int k;
+
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
/* Must do this *after* statechange, so as not to affect
* buffered vertices reliant on the old state:
*/
- intel->vertex_size = _tnl_install_attrs( &intel->ctx,
- intel->vertex_attrs,
- intel->vertex_attr_count,
- intel->ViewportMatrix.m, 0 );
+ intel->vertex_size = _tnl_install_attrs(&intel->ctx,
+ intel->vertex_attrs,
+ intel->vertex_attr_count,
+ intel->ViewportMatrix.m, 0);
intel->vertex_size >>= 2;
i915->state.Ctx[I915_CTXREG_LIS2] = s2;
i915->state.Ctx[I915_CTXREG_LIS4] = s4;
- assert(intel->vtbl.check_vertex_size( intel, intel->vertex_size ));
+ k = intel->vtbl.check_vertex_size(intel, intel->vertex_size);
+ assert(k);
}
- if (!p->params_uptodate)
- track_params( p );
+ if (!p->params_uptodate)
+ track_params(p);
- if (!p->on_hardware)
- i915_upload_program( i915, p );
+ if (!p->on_hardware)
+ i915_upload_program(i915, p);
}
-void i915InitFragProgFuncs( struct dd_function_table *functions )
+void
+i915InitFragProgFuncs(struct dd_function_table *functions)
{
functions->BindProgram = i915BindProgram;
functions->NewProgram = i915NewProgram;
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-26 10:25:29 +0000