Brian [Fri, 2 Feb 2007 18:01:01 +0000 (11:01 -0700)]
Replace color, z, w, texture interpolants with new generic attrib interpolants.
Brian [Fri, 2 Feb 2007 16:46:43 +0000 (09:46 -0700)]
New span attrStart/attrStepX/attrStepY fields to replace fog, specular, etc. fields. More to come.
Brian [Fri, 2 Feb 2007 16:09:13 +0000 (09:09 -0700)]
get rid of unused span->start field
Brian [Fri, 2 Feb 2007 01:11:19 +0000 (18:11 -0700)]
Fix logic in _slang_simplify(): vec2() constructor case wasn't getting used.
Brian [Thu, 1 Feb 2007 17:08:07 +0000 (10:08 -0700)]
comments
Brian [Thu, 1 Feb 2007 16:52:26 +0000 (09:52 -0700)]
remove slang_label.c until it's ready
Brian [Thu, 1 Feb 2007 16:51:48 +0000 (09:51 -0700)]
New SWspanarrays attribs[] array.
Replace texcoord[], varying[], etc. arrays with single attribs[] array, indexed
by FRAG_ATTRIB_* values.
Eliminates need to copy data into fragment program machine input registers.
Will lead to future clean-ups.
Brian [Thu, 1 Feb 2007 16:25:55 +0000 (09:25 -0700)]
silence uninitialized var warning
Brian [Thu, 1 Feb 2007 16:24:41 +0000 (09:24 -0700)]
silence uninitialized var warning
Brian [Thu, 1 Feb 2007 15:24:02 +0000 (08:24 -0700)]
move span-related types/tokens into s_span.h
Brian [Thu, 1 Feb 2007 15:18:03 +0000 (08:18 -0700)]
additional assertions, bump up MAX_EXEC
Brian [Thu, 1 Feb 2007 00:01:52 +0000 (17:01 -0700)]
disable all x86 code, broken and will eventually be removed
Brian [Wed, 31 Jan 2007 23:34:54 +0000 (16:34 -0700)]
Overhaul handling of writemasks/swizzling. This fixes two problem cases:
vec2 v; v.x = v.y = 1.0; // chained assignment
vec4 v; v.zx = vec2(a,b); // swizzled writemask
Brian [Wed, 31 Jan 2007 15:55:10 +0000 (08:55 -0700)]
New asm instruction and IR_CLAMP node type to allow clamping to [0,1] with instruction saturate-write option. Not finished yet.
Brian [Wed, 31 Jan 2007 15:47:12 +0000 (08:47 -0700)]
allow fragment-only and vertex-only programs
Brian [Tue, 30 Jan 2007 23:55:03 +0000 (16:55 -0700)]
fix _mesa_get_uniform_location() so it uses the given program handle
Brian [Mon, 29 Jan 2007 02:02:03 +0000 (19:02 -0700)]
noise() works now
Brian [Mon, 29 Jan 2007 02:01:35 +0000 (19:01 -0700)]
noise functions
Brian [Mon, 29 Jan 2007 02:01:04 +0000 (19:01 -0700)]
simple noise test
Brian [Sun, 28 Jan 2007 23:26:09 +0000 (16:26 -0700)]
combine emit_unop(), emit_binop(), emit_triop() into emit_arith()
Brian [Sun, 28 Jan 2007 23:11:11 +0000 (16:11 -0700)]
implement mix() with LRP instruction
Brian [Sun, 28 Jan 2007 19:49:47 +0000 (12:49 -0700)]
Lots of vartable clean-ups, fixes. Report an error message when we run out
of registers, rather than crash.
Brian [Sun, 28 Jan 2007 19:13:27 +0000 (12:13 -0700)]
minor clean-ups
Brian [Sun, 28 Jan 2007 19:11:10 +0000 (12:11 -0700)]
minor updates
Brian [Sun, 28 Jan 2007 03:29:33 +0000 (20:29 -0700)]
Clean-up of var/temp allocation function parameters.
Brian [Sun, 28 Jan 2007 03:06:41 +0000 (20:06 -0700)]
Improved register allocation: allow four 'float' vars or temporaries to share a single register. Clean-up needed.
Brian [Thu, 25 Jan 2007 17:54:52 +0000 (10:54 -0700)]
asst fixes, tranpose span->varying array indexes
Brian [Thu, 25 Jan 2007 17:52:48 +0000 (10:52 -0700)]
fixes, clean-ups, transpose span->varying array indexing
Brian [Thu, 25 Jan 2007 17:51:53 +0000 (10:51 -0700)]
new comments, ideas
Brian [Wed, 24 Jan 2007 21:15:01 +0000 (14:15 -0700)]
remove some parenthesis
Brian [Wed, 24 Jan 2007 21:14:14 +0000 (14:14 -0700)]
use FRAG_BIT_TEX()
Brian [Wed, 24 Jan 2007 21:13:36 +0000 (14:13 -0700)]
fix varying interpolation
Brian [Wed, 24 Jan 2007 21:13:02 +0000 (14:13 -0700)]
only setup varying vars that will be used
Brian [Wed, 24 Jan 2007 21:12:08 +0000 (14:12 -0700)]
added FRAG_BIT_TEX() and FRAG_BIT_VAR() macros
Brian [Wed, 24 Jan 2007 00:41:25 +0000 (17:41 -0700)]
updated comment
Brian [Wed, 24 Jan 2007 00:39:25 +0000 (17:39 -0700)]
indicate which opcodes are used by Mesa GLSL, updated comments
Brian [Tue, 23 Jan 2007 23:37:51 +0000 (16:37 -0700)]
fix g++ warnings/errors
Brian [Sun, 21 Jan 2007 17:37:25 +0000 (10:37 -0700)]
added shading.html link
Brian [Sat, 20 Jan 2007 20:40:57 +0000 (13:40 -0700)]
Added a page with shading language status, tips, etc.
Brian [Sat, 20 Jan 2007 17:47:10 +0000 (10:47 -0700)]
Add a simple mechanism for annotating instructions for easier debugging.
Brian [Sat, 20 Jan 2007 16:46:02 +0000 (09:46 -0700)]
optimization: emit MAD instructions when possible
Brian [Sat, 20 Jan 2007 16:29:04 +0000 (09:29 -0700)]
remove unused swizzle parameter to -storage_to_src_reg()
Brian [Sat, 20 Jan 2007 16:27:40 +0000 (09:27 -0700)]
Initial implementation of OPCODE_IF/ELSE/ENDIF instructions.
Brian [Sat, 20 Jan 2007 16:22:13 +0000 (09:22 -0700)]
Reimplement && and || to do short-circuit evaluation.
Improved shader error handling.
Brian [Sat, 20 Jan 2007 14:56:00 +0000 (07:56 -0700)]
rewrite more __postIncr functions
Brian [Fri, 19 Jan 2007 20:13:15 +0000 (13:13 -0700)]
Implement do/while loops. Replace IR_CJUMP with IR_CJUMP0 and IR_CJUMP1 so
we can either jump on zero, or non-zero predicate.
Brian [Fri, 19 Jan 2007 19:19:38 +0000 (12:19 -0700)]
Rewrite normalize(vec3/vec4) to use one less register.
Brian [Fri, 19 Jan 2007 19:02:31 +0000 (12:02 -0700)]
report error message when something fails
Brian [Fri, 19 Jan 2007 19:02:06 +0000 (12:02 -0700)]
print error msg when there's a problem
Brian [Fri, 19 Jan 2007 17:31:52 +0000 (10:31 -0700)]
remove stray tab
Brian [Fri, 19 Jan 2007 17:15:34 +0000 (10:15 -0700)]
Implement fragment discard/kill.
Brian [Fri, 19 Jan 2007 17:02:58 +0000 (10:02 -0700)]
change while-loop to create new scope for loop body, per spec
Brian [Fri, 19 Jan 2007 00:29:23 +0000 (17:29 -0700)]
Implement constant sharing so that 4 float constants can share a single
float[4] register slot.
Brian [Fri, 19 Jan 2007 00:23:48 +0000 (17:23 -0700)]
_mesa_add_unnamed_constant() now tries to re-use constants already in
the parameter list.
Brian [Thu, 18 Jan 2007 22:35:44 +0000 (15:35 -0700)]
Reimplement code for swizzling so that expressions like (p+q).x for vectors p and q works correctly.
Brian [Thu, 18 Jan 2007 22:33:13 +0000 (15:33 -0700)]
rewrite a bunch of assignment operators (like +=)
Brian [Thu, 18 Jan 2007 22:23:45 +0000 (15:23 -0700)]
remove debug code
Brian [Thu, 18 Jan 2007 16:22:44 +0000 (09:22 -0700)]
remove swizzle param from new_var()
Brian [Thu, 18 Jan 2007 01:37:20 +0000 (18:37 -0700)]
rewrite additional matrix-related functions to reduce register needs
Brian [Thu, 18 Jan 2007 01:30:53 +0000 (18:30 -0700)]
rewrite mat4 * mat4 operator to use fewer temps
Brian [Thu, 18 Jan 2007 01:21:00 +0000 (18:21 -0700)]
do bounds check in _slang_push_var_table(), added comment
Brian [Thu, 18 Jan 2007 01:06:40 +0000 (18:06 -0700)]
rewrite matrix constructors
Brian [Thu, 18 Jan 2007 01:02:44 +0000 (18:02 -0700)]
handle var size > 4 in _slang_pop_var_table()
Brian [Wed, 17 Jan 2007 23:30:11 +0000 (16:30 -0700)]
minor fprintf() change
Brian [Wed, 17 Jan 2007 23:29:51 +0000 (16:29 -0700)]
Rewrite a bunch of constructors. It's now important that the first
constructor for any given type be the one that takes the most parameters
as this is the constructor that'll be used when there's no perfect match
to the caller's arguments.
See the _slang_adapt_call() function for details.
Brian [Wed, 17 Jan 2007 23:14:03 +0000 (16:14 -0700)]
_slang_gen_function_call_name() now tries to adapt function calls (expand
vectors, insert casts) when a perfect match isn't found.
Brian [Wed, 17 Jan 2007 23:11:50 +0000 (16:11 -0700)]
New _slang_adapt_call() function.
This is used to modify function calls (when possible) to make the arguments
map to the function parameters. This includes "unrolling" vector types
and doing casts.
Example:
vec2 v2 = vec2(1.2, 3.4)
ivec3 iv = ivec3(false, v2);
Is converted into:
ivec3 iv = ivec3(int(false), int(v2[0]), int(v2[1]))
Brian [Wed, 17 Jan 2007 23:05:03 +0000 (16:05 -0700)]
code clean-up, re-org. Added IR_F_TO_I support.
Brian [Wed, 17 Jan 2007 22:58:24 +0000 (15:58 -0700)]
added IR_F_TO_I, update comments
Brian [Wed, 17 Jan 2007 22:54:14 +0000 (15:54 -0700)]
Added OPCODE_INT to convert 4 floats to 4 ints.
Brian [Wed, 17 Jan 2007 17:25:44 +0000 (10:25 -0700)]
add texturing, other options
Brian [Wed, 17 Jan 2007 16:54:31 +0000 (09:54 -0700)]
Fix/clean-up a number of things related to variable/temporary allocation.
Brian [Wed, 17 Jan 2007 00:38:39 +0000 (17:38 -0700)]
Implement codegen for the selection operator ( b ? x : y )
Brian [Tue, 16 Jan 2007 23:53:41 +0000 (16:53 -0700)]
fix typo
Brian [Tue, 16 Jan 2007 22:27:11 +0000 (15:27 -0700)]
draw a box, press 'a' to animate
Brian [Tue, 16 Jan 2007 21:57:12 +0000 (14:57 -0700)]
added some VerteAttrib funcs
Brian [Tue, 16 Jan 2007 21:55:43 +0000 (14:55 -0700)]
Added toyball and bumpmap tests using shaders from the OpenGL Shading Language (orange) book.
Brian [Tue, 16 Jan 2007 21:52:22 +0000 (14:52 -0700)]
when automatically binding vertex attributes, start with attrib 1, not 0
Brian [Tue, 16 Jan 2007 21:19:37 +0000 (14:19 -0700)]
remove dead code
Brian [Tue, 16 Jan 2007 21:17:57 +0000 (14:17 -0700)]
comments
Brian [Tue, 16 Jan 2007 21:15:05 +0000 (14:15 -0700)]
implement logical or, xor, not
Brian [Tue, 16 Jan 2007 21:10:30 +0000 (14:10 -0700)]
some additional vector constructors
Brian [Tue, 16 Jan 2007 17:45:34 +0000 (10:45 -0700)]
fix _slang_gen_subscript() for the case when a simple vector is accessed as an array: convert index to a swizzle/writemask
Brian [Tue, 16 Jan 2007 00:48:19 +0000 (17:48 -0700)]
Use arrow keys to pan and z/Z to zoom in/out to explore the fractal.
Brian [Tue, 16 Jan 2007 00:27:24 +0000 (17:27 -0700)]
Added new directory of GL shading language demos: glsl
Brian [Mon, 15 Jan 2007 23:54:38 +0000 (16:54 -0700)]
Reimplement the post-increment/decrement functions.
Instead of defining functions with an extra dummy parameter to distinguish
from the pre-incr/decr functions, just use new function names: __postIncr
and __postDecr.
Brian [Mon, 15 Jan 2007 23:38:12 +0000 (16:38 -0700)]
Implement the ++var and --var operators, improve some constructors.
Brian [Mon, 15 Jan 2007 23:34:33 +0000 (16:34 -0700)]
added vec3 constructor code
Brian [Mon, 15 Jan 2007 23:33:54 +0000 (16:33 -0700)]
added IR_ELEMENT
Brian [Mon, 15 Jan 2007 22:51:49 +0000 (15:51 -0700)]
checkpoint: ++, -- and && operators
Brian [Mon, 15 Jan 2007 20:58:45 +0000 (13:58 -0700)]
Redo the way array indexes are handled. Resolve storage location at code emit time, not codegen time.
Brian [Mon, 15 Jan 2007 18:10:11 +0000 (11:10 -0700)]
remove old globals
Brian [Mon, 15 Jan 2007 18:08:10 +0000 (11:08 -0700)]
comments
Brian [Mon, 15 Jan 2007 17:44:11 +0000 (10:44 -0700)]
Move some global vars into slang_assemble_ctx.
Brian [Mon, 15 Jan 2007 17:35:59 +0000 (10:35 -0700)]
fix the subassig, mulassign and divassign cases
Brian [Mon, 15 Jan 2007 17:35:03 +0000 (10:35 -0700)]
clean-up slang_allocate_storage()
Brian [Sat, 13 Jan 2007 21:51:02 +0000 (14:51 -0700)]
added glUniform1fv_func, glUniform2fv_func
Brian [Sat, 13 Jan 2007 21:49:52 +0000 (14:49 -0700)]
Rework code related to temp register allocation, both for user variables
and expression temporarires. Much better register utilization now.
Lots of other fixes.
The OpenGL GLSL "orange book" brick shader demo works now.
Brian [Sat, 13 Jan 2007 21:47:48 +0000 (14:47 -0700)]
slang_variable_scope now stores array of pointers to slang_variables.
Brian [Sat, 13 Jan 2007 21:46:12 +0000 (14:46 -0700)]
added another vec4 constructor, updated += operator