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* build: Fix GLES linkage without libglapiAndreas Boll2012-12-072-2/+10
| | | | | | | | | | fixes a regression introduced with fc9ea7c74dc5cb996c3d9fe6663fd6da080e8360 NOTE: This is a candidate for the 9.0 branch. Reported-by: Brian Paul <[email protected]> Acked-by: Matt Turner <[email protected]>
* llvmpipe: fix regression in gears speed.Dave Airlie2012-12-071-2/+4
| | | | | | | This fixes the gears regression since transform feedback. Reported-by: Brian Paul <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
* glsl: Add missing semicolon in the grammarKenneth Graunke2012-12-061-0/+1
| | | | | | | | | This may not be strictly necessary, but every other rule in the grammar ends with a semicolon. It also appears that this was supposed to be commited with the original patch that changed this rule, but the wrong version of the patch was accidentally pushed. Reviewed-by: Ian Romanick <[email protected]>
* glsl: Allow layout qualifiers in GLSL 3.00 ESIan Romanick2012-12-063-1/+7
| | | | | | | | | | Note that while 'packed' is a reserved word in GLSL ES, row_major is not. This means that we have to use the string-based matching for that. Signed-off-by: Ian Romanick <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]> Reviewed-by: Eric Anholt <[email protected]> Acked-by: Carl Worth <[email protected]>
* glsl: Create builtin function profiles for GLSL 3.00 ES.Paul Berry2012-12-063-0/+834
| | | | | | | | | | | | | | | | Nearly all of the builtin functions in GLSL 3.00 ES are already implemented in Mesa; this patch enables them. A few functions are not implemented yet; those have been commented out, with a FIXME comment to act as a reminder of what still needs to be implemented. Here is the complete list: packSnorm2x16, unpackSnorm2x16, packUnorm2x16, unpackUnorm2x16, packHalf2x16, unpackHalf2x16. Reviewed-by: Ian Romanick <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]> Reviewed-by: Eric Anholt <[email protected]> Acked-by: Carl Worth <[email protected]>
* glsl: add determinant() functions.Paul Berry2012-12-061-0/+70
| | | | | | | | | | | | These functions are defined in GLSL 1.50 and GLES 3.00 ES. The formulas have been extracted from the existing implementation of inverse(). Reviewed-by: Ian Romanick <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]> Reviewed-by: Eric Anholt <[email protected]> Acked-by: Carl Worth <[email protected]>
* glsl: Make builtin function profiles for GLSL ES use "es" in the filename.Paul Berry2012-12-064-1/+5
| | | | | | | Reviewed-by: Ian Romanick <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]> Reviewed-by: Eric Anholt <[email protected]> Acked-by: Carl Worth <[email protected]>
* glsl: Add builtin variables for GLSL 3.00 ES.Paul Berry2012-12-061-42/+151
| | | | | | | | | | | | This patch also adds assertions so that when we add new GLSL versions, we'll notice that we need to update the builtin variables. [v2, idr]: s/Frab/Frag/ Noticed by Eric. Reviewed-by: Ian Romanick <[email protected]> [v1] Reviewed-by: Kenneth Graunke <[email protected]> Reviewed-by: Eric Anholt <[email protected]> Acked-by: Carl Worth <[email protected]>
* glsl: Populate built-in types correctly for GLSL 3.00 ES.Paul Berry2012-12-063-45/+103
| | | | | | | | | | | | | | | | | | | | | | | This patch implements all of the built-in types for GLSL 3.00 ES. This is almost exactly the same as the set of built-in types for GLSL 1.30, except ate 1D samplers are skipped, and samplerCubeShadow is added. This patch also addes an assertion so that when we add new GLSL versions, we'll notice that we need to update the types. In review, Eric noted: "This change looks correct. The overall interaction of profiles is getting ugly, though. I'm imagining a restructure of the symbol table population so that there's a big list of types, and each #version has a nice list of strings of type names copy and pasted out of its spec." Reviewed-by: Ian Romanick <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]> Reviewed-by: Eric Anholt <[email protected]> Acked-by: Carl Worth <[email protected]>
* glsl: Make {Min,Max}ProgramTexelOffset available to compiler.Paul Berry2012-12-062-0/+6
| | | | | | | | | These constants need to be made available to shaders in GLSL 3.00 ES. Reviewed-by: Ian Romanick <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]> Reviewed-by: Eric Anholt <[email protected]> Acked-by: Carl Worth <[email protected]>
* glsl: Fix linker checks for GLSL ES 3.00.Paul Berry2012-12-061-7/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | This patch updates the following linker checks to do the right thing in GLSL 3.00 ES: - Failing to write to gl_Position is allowed in GLSL 1.40+ as well as GLSL 3.00 ES. - It is an error to write to both gl_ClipVertex and gl_ClipDistance in GLSL 1.30+. This does not apply to GLSL 3.00 ES. - GLSL 3.00 ES uses the same varying counting rules as GLSL 1.00 ES. - In GLSL 1.30 and GLSL 3.00 ES, "discard" terminates the shader. - In GLSL 1.00 ES and GLSL 3.00 ES, both a fragment and a vertex shader must be present. [v2, idr]: Fix minro typo in a comment. Noticed by Ken. [v3, idr]: s/IsEs(Shader|Prog)/IsES/ Suggested by Ken and Eric. Reviewed-by: Ian Romanick <[email protected]> Reviewed-by: Eric Anholt <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]> Acked-by: Carl Worth <[email protected]>
* glsl: Record in gl_shader_program whether the program uses GLSL ES.Paul Berry2012-12-062-0/+2
| | | | | | | | | | | | Previously we recorded just the GLSL version (or the max version, if GLSL 1.10 and GLSL 1.20 programs were linked together). [v2, idr]: s/IsEs(Shader|Prog)/IsES/ Suggested by Ken and Eric. Reviewed-by: Ian Romanick <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]> Reviewed-by: Eric Anholt <[email protected]> Acked-by: Carl Worth <[email protected]>
* glsl: Clean up shading language mixing check for GLSL 3.00 ES.Paul Berry2012-12-061-3/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | Previously, we prohibited mixing of shading language versions if min_version == 100 or max_version >= 130. This was technically correct (since desktop GLSL 1.30 and beyond prohibit mixing of shading language versions, as does GLSL 1.00 ES), but it was confusing. Also, we asserted that all shading language versions were between 1.00 and 1.40, which was unnecessary (since the parser already checks shading language versions) and doesn't work for GLSL 3.00 ES. This patch changes the code to explicitly check that (a) ES shaders aren't mixed with desktop shaders, (b) shaders aren't mixed between ES versions, and (c) shaders aren't mixed between desktop GLSL versions when at least one shader is GLSL 1.30 or greater. Also, it removes the unnecessary assertion. [v2, idr]: Slightly tweak the is_es_prog detection to occur outside the loop instead of doing something special on the first loop iteration. Suggested by Ken. [v3, idr]: s/IsEs(Shader|Prog)/IsES/ Suggested by Ken and Eric. Reviewed-by: Ian Romanick <[email protected]> [v1] Reviewed-by: Kenneth Graunke <[email protected]> Acked-by: Carl Worth <[email protected]>
* glsl: Record in gl_shader whether the shader uses GLSL ES.Paul Berry2012-12-062-0/+2
| | | | | | | | | | | | | | | | | | Previously we recorded just the GLSL version, with the knowledge that 100 means GLSL 1.00 ES. With the advent of GLSL 3.00 ES, this is going to get more complex, and eventually will probably become ambiguous (GLSL 4.00 already exists, and GLSL 4.00 ES is likely to be created some day). To reduce confusion, this patch simply records whether the shader is GLSL ES as an explicit boolean. [v2, idr]: s/IsEs(Shader|Prog)/IsES/ Suggested by Ken and Eric. Reviewed-by: Ian Romanick <[email protected]> [v1] Reviewed-by: Kenneth Graunke <[email protected]> Reviewed-by: Eric Anholt <[email protected]> Acked-by: Carl Worth <[email protected]>
* glsl/parser: Handle "#version 300 es" directive.Paul Berry2012-12-063-28/+86
| | | | | | | | | | | | | | | Note that GLSL 1.00 is selected using "#version 100", so "#version 100 es" is prohibited. v2: Check for GLES3 before allowing '#version 300 es' v3: Make sure a correct language_version is set in _mesa_glsl_parse_state::process_version_directive. Signed-off-by: Paul Berry <[email protected]> Signed-off-by: Ian Romanick <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]> Acked-by: Carl Worth <[email protected]>
* glsl/parser: Extract version directive processing into a function.Paul Berry2012-12-063-42/+55
| | | | | | | | | | | | | | Version directive handling is going to have to be used within two parser rules, one for desktop-style version directives (e.g. "#version 130") and one for the new ES-style version directive (e.g. "#version 300 es"), so this patch moves it to a function that can be called from both rules. No functional change. Reviewed-by: Ian Romanick <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]> Acked-by: Carl Worth <[email protected]>
* glsl/preprocessor: Handle "#version 300 es" directive.Paul Berry2012-12-061-4/+17
| | | | | | Reviewed-by: Ian Romanick <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]> Acked-by: Carl Worth <[email protected]>
* glsl/preprocessor: Extract version directive processing into a function.Paul Berry2012-12-061-19/+30
| | | | | | | | | | | | | | | | | | | | | Version directive handling is going to have to be used within two parser rules, one for desktop-style version directives (e.g. "#version 130") and one for the new ES-style version directive (e.g. "#version 300 es"), so this patch moves it to a function that can be called from both rules. No functional change. [mattst88] v2: Use intmax_t instead of int for version argument. Would otherwise write garbage after #version since PRIiMAX was reading 64-bits instead of 32. [idr] v3: A later commit fixes the caller of _glcpp_parser_handle_version_declaration to pass the correct number of parameters. Fix it in the patch that changes the interface instead. Reviewed-by: Kenneth Graunke <[email protected]> Acked-by: Carl Worth <[email protected]>
* glsl: Enable GLSL ES 3.00 features inherited from desktop GLSL.Paul Berry2012-12-065-17/+47
| | | | | | | | | | | | | | | | | | | | This patch turns on the following features for GLSL ES 3.00: - Array constructors, whole array assignment, and array comparisons. - Second and third operands of ?: may be arrays. - Use of "in" and "out" qualifiers on globals. - Bitwise and modulus operators. - Integral vertex shader inputs. - Range-checking of literal integers. - array.length method. - Function calls may be constant expressions. - Integral varyings must be qualified with "flat". - Interpolation and centroid qualifiers may not be applied to vertex shader inputs. Reviewed-by: Ian Romanick <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]> Acked-by: Carl Worth <[email protected]>
* glsl: parse GLSL ES 3.00 keywords correctly.Paul Berry2012-12-062-78/+114
| | | | | | | | | | | | | | | | | | | | | GLSL ES 3.00 adds the following keywords over GLSL 1.00: uint, uvec[2-4], matNxM, centroid, flat, smooth, various samplers, layout, switch, default, and case. Additionally, it reserves a large number of keywords, some of which were already reserved in versions of desktop GL that Mesa supports, some of which are new to Mesa. A few of the reserved keywords in GLSL ES 3.00 are keywords that are supported in all other versions of GLSL: attribute, varying, sampler1D, sampler1DShador, sampler2DRect, and sampler2DRectShadow. This patch updates the lexer to handle all of the new keywords correctly when the language being parsed is GLSL 3.00 ES. Reviewed-by: Ian Romanick <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]> Acked-by: Carl Worth <[email protected]>
* glsl: Rework lexer keyword handling in preparation for GLSL 3.00 ES.Paul Berry2012-12-061-132/+136
| | | | | | | | | | | | | | | | | | | | | | | | This patch expands the lexer KEYWORD macro to take two additional arguments: the GLSL ES versions in which the given keyword was first reserved, and supported, respectively. This will allow us to trivially add support for GLSL 3.00 ES keywords, even though the set of GLSL 3.00 ES keywords is neither a subset or a superset of the keywords corresponding to any desktop GLSL version. The new KEYWORD macro makes use of the _mesa_glsl_parse_state::is_version() function, so it accepts 0 as meaning "unsupported" (rather than 999, which we used previously). Note that a few keywords ("packed" and "row_major") are supported *either* when GLSL 1.40 is in use or when ARB_uniform_buffer_obj support is enabled. Previously, we handled these by cleverly taking advantage of the fact that the KEYWORD macro didn't parenthesize its arguments in the usual way. Now they are handled more straightforwardly, with a new macro, KEYWORD_WITH_ALT. Reviewed-by: Ian Romanick <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]> Acked-by: Carl Worth <[email protected]>
* glsl: Make use of new _mesa_glsl_parse_state::check_version() function.Paul Berry2012-12-065-74/+50
| | | | | | | | | | | | | | | | | | Previous to this patch, we were not very consistent about the errors we generate when a shader tried to use a feature that is prohibited in the current GLSL version. Some error messages failed to mention the GLSL version currently in use (or did so inaccurately), and some error messages failed to mention the first GLSL version in which the given feature is allowed. This patch reworks all of the error checks to use the check_version() function, which produces error messages in a standard form (approximately "$FEATURE forbidden in $CURRENT_GLSL_VERSION ($REQUIRED_GLSL_VERSION required)."). Reviewed-by: Ian Romanick <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]> Acked-by: Carl Worth <[email protected]>
* glsl: Make use of new _mesa_glsl_parse_state::is_version() function.Paul Berry2012-12-065-26/+33
| | | | | | Reviewed-by: Ian Romanick <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]> Acked-by: Carl Worth <[email protected]>
* glsl: Add GLSL version query functions.Paul Berry2012-12-062-10/+86
| | | | | | | | | | | | | | | | | | | | | | | | | | With the advent of GLSL 3.00 ES, the version checks we perform in the GLSL compiler (to determine which language features are present) will become more complicated. To reduce the complexity, this patch adds functions check_version() and is_version() to _mesa_glsl_parse_state. These functions take two version numbers: a desktop GLSL version and a GLSL ES version, and return a boolean indicating whether the GLSL version being compiled is at least the required version. So, for example, is_version(130, 300) returns true if the GLSL version being compiled is at least desktop GLSL 1.30 or GLSL 3.00. The check_version() function additionally produces an error message if the version check fails, informing the user of which GLSL version(s) support the given feature. [v2, idr]: Add PRINTFLIKE annotation to the new method. The numbering of th parameters is correct because GCC is silly. [v3, idr]: Fix copy-and-paste error in the comment before _mesa_glsl_parse_state::is_version. Noticed by Ken. Signed-off-by: Ian Romanick <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]> Acked-by: Carl Worth <[email protected]>
* glsl: Compute version_string on the fly.Paul Berry2012-12-063-12/+18
| | | | | | | | Fixes a bug where version_string would be left uninitialized if no GLSL "#version" directive was used. Reviewed-by: Kenneth Graunke <[email protected]> Acked-by: Carl Worth <[email protected]>
* glsl: Make a function to express a GLSL version ir human-readable form.Paul Berry2012-12-063-4/+15
| | | | | | | | | | | This will be useful in generating more helpful error messages, especially with the addition of GLSL 3.00 ES support. [v2, idr]: Rename ctx parameter to mem_ctx Signed-off-by: Ian Romanick <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]> Acked-by: Carl Worth <[email protected]>
* glsl: Simplify symbol table version checking.Paul Berry2012-12-065-7/+9
| | | | | | | | | | | Previously, we stored the GLSL language version in the glsl_symbol_table struct. But this was unnecessary--all glsl_symbol_table needs to know is whether functions and variables have separate namespaces (they do in GLSL 1.10 only). Reviewed-by: Ian Romanick <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]> Acked-by: Carl Worth <[email protected]>
* mesa: Add ARB_ES3_compatibility flag.Paul Berry2012-12-064-0/+4
| | | | | | | | | | | | | Adding this now makes it easier to develop and test GLES3 features, since we can do initial development and testing using desktop GL. Later GLSL compiler patches check for either ctx->Extensions.ARB_ES3_compatibility or _mesa_is_gles3 to allow certain features (i.e., "#version 300 es"). [v2, idr]: Just edits to the commit message. Reviewed-by: Ian Romanick <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]> Acked-by: Carl Worth <[email protected]>
* radeonsi: Fix cube texture coordinates.Michel Dänzer2012-12-061-0/+7
| | | | | | | 8 more piglits. Reviewed-by: Tom Stellard <[email protected]> Signed-off-by: Michel Dänzer <[email protected]>
* radeon/llvm: Export prepare_cube_coords helper to driver.Michel Dänzer2012-12-062-8/+13
| | | | | | | To be used by radeonsi. Reviewed-by: Tom Stellard <[email protected]> Signed-off-by: Michel Dänzer <[email protected]>
* mesa: use rand() instead of random()Brian Paul2012-12-061-1/+1
| | | | | | | As Vinson Lee did in commit bb284669f85a32900bfec648d68ba4c4300772f4 in hash_table.c Signed-off-by: Brian Paul <[email protected]>
* mesa: validate that sync objects were created by mesaJordan Justen2012-12-063-15/+26
| | | | | | | | | | | | | | Previously, the user could send in a pointer that was not created by mesa. When we dereferenced that pointer, there would be an exception. Now we keep a set of pointers and verify that the pointer exists in that set before dereferencing it. Note: This fixes several crashing gles3conform tests. Signed-off-by: Jordan Justen <[email protected]> Reviewed-by: Brian Paul <[email protected]>
* main/syncobj: return GL_INVALID_VALUE for invalid sync objectsJordan Justen2012-12-061-4/+4
| | | | | | | | Note: The GL/GLES3 web man pages don't seem to properly document glWaitSync's error when the sync object is invalid. Signed-off-by: Jordan Justen <[email protected]> Reviewed-by: Brian Paul <[email protected]>
* mesa: add set support (stores a set of pointers)Eric Anholt2012-12-064-0/+444
| | | | | | | | | From: git://people.freedesktop.org/~anholt/hash_table Reviewed-by: Jordan Justen <[email protected]> [[email protected]: minor rework for mesa] Signed-off-by: Jordan Justen <[email protected]> Reviewed-by: Brian Paul <[email protected]>
* llvmpipe: Fix statement before declaration.José Fonseca2012-12-061-1/+2
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* util: Add util_copy_box helper.José Fonseca2012-12-063-29/+64
| | | | | | Must users of util_copy_rect() need or should deal with volumes. Reviewed-by: Brian Paul <[email protected]>
* gallium/util: Move the util_copy/fill_rect into u_surface.José Fonseca2012-12-065-187/+140
| | | | | | | | | | u_rect.h said these should move to a different file, and u_surface seems a better home. Leave #include "util/u_surface.h" to avoid having to touch thousand of files. Reviewed-by: Brian Paul <[email protected]>
* gallium/os: Cleanup up os_time_get/os_time_get_nano.José Fonseca2012-12-062-21/+19
| | | | | | | | - Re-implement os_time_get in terms of os_time_get_nano() for consistency - Use CLOCK_MONOTONIC as recommended - Only use clock_gettime on Linux for now. Reviewed-by: Brian Paul <[email protected]>
* gallium/os: Fix os_time_sleep() on Windows for small durations.José Fonseca2012-12-061-1/+5
| | | | | | Prevents undetermined sleeps. Reviewed-by: Brian Paul <[email protected]>
* meta: Disable GL_FRAGMENT_SHADER_ATI in MESA_META_SHADERStefan Dösinger2012-12-061-0/+11
| | | | | | | | | Fixes clears in Wine on r200. NOTE: This is a candidate for stable release branches. Reviewed-by: Ian Romanick <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* radeon: Initialize swrast before setting limitsStefan Dösinger2012-12-061-9/+9
| | | | | | NOTE: This is a candidate for stable release branches. Signed-off-by: Alex Deucher <[email protected]>
* r200: Initialize swrast before setting limitsStefan Dösinger2012-12-061-10/+9
| | | | | | | | | Otherwise the driver announces 4096 vertex shader constants and other way too high limits. NOTE: This is a candidate for stable release branches. Signed-off-by: Alex Deucher <[email protected]>
* gallivm: Fix lerping of (un)signed normalized numbers.José Fonseca2012-12-061-49/+43
| | | | | | | | | | | | | | | | | | Several issues actually: - Fix a regression in unsigned normalized in the rescaling [0, 255] to [0, 256] - Ensure we use signed shifts where appropriate (instead of unsigned shifts) - Refactor the code slightly -- move all the logic inside lp_build_lerp_simple(). This change, plus an adjustment in the tolerance of signed normalized results in piglit fbo-blending-formats fixes bug 57903 Reviewed-by: Brian Paul <[email protected]>
* gallivm: Fix lp_build_print_value of smaller integer types.José Fonseca2012-12-061-1/+12
| | | | | | | They need to be converted to the native integer type to prevent garbage in higher order bits from being printed. Reviewed-by: Brian Paul <[email protected]>
* llvmpipe: remove unused variableBrian Paul2012-12-061-1/+0
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* draw: remove some dead constant buffer codeBrian Paul2012-12-064-82/+0
| | | | | | | | | Remove the draw_vs_set_constants() and draw_gs_set_constants() functions and the draw->vs.aligned_constants, draw->vs.aligned_constant_storage and draw->vs.const_storage_size fields. None of it was used. Reviewed-by: José Fonseca <[email protected]>
* android: Fix build of libmesa_programChad Versace2012-12-051-0/+3
| | | | | | | | | | | | | | | | | Commit 4097308 fixed the build in a questionable way. It worked at the time, but, as Ian pointed out, the fix would likely fail at a future commit due to the indeterminism of parallel builds. And that's exactly what happened; the fix no longer works. `mm -j4` on Fedora 17 fails for me. The problem is that there is no rule for program_parse.tab.h. To fix that, this patch adds a rule that makes program_parse.tab.c depend on program_parse.tab.h. Technically, the c file does not depend on the h file. However, because the two files are generated together by a single invocation of Bison, any rule that forces execution of Bison is sufficient. Signed-off-by: Chad Versace <[email protected]>
* llvmpipe: EXT_transform_feedback support (v1.1)Dave Airlie2012-12-0615-101/+125
| | | | | | | | | | | | I'd written most of this ages ago, but never finished it off. This passes 115/130 piglit tests so far. I'll look into the others as time permits. v1.1: fix calloc return check as suggested by Jose. Reviewed-by: Jose Fonseca <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
* i965: Add a debug flag for counting cycles spent in each compiled shader.Eric Anholt2012-12-0517-9/+524
| | | | | | | | | | | | | | | | | | | | | | This can be used for two purposes: Using hand-coded shaders to determine per-instruction timings, or figuring out which shader to optimize in a whole application. Note that this doesn't cover the instructions that set up the message to the URB/FB write -- we'd need to convert the MRF usage in these instructions to GRFs so that our offsets/times don't overwrite our shader outputs. Reviewed-by: Kenneth Graunke <[email protected]> (v1) v2: Check the timestamp reset flag in the VS, which is apparently getting set fairly regularly in the range we watch, resulting in negative numbers getting added to our 32-bit counter, and thus large values added to our uint64_t. v3: Rebase on reladdr changes, removing a new safety check that proved impossible to satisfy. Add a comment to the AOP defs from Ken's review, and put them in a slightly more sensible spot. v4: Check timestamp reset in the FS as well.
* i965: Add a flag for instructions with normal writemasking disabled.Eric Anholt2012-12-054-0/+4
| | | | | For getting values from the new timestamp register, the channels we load have nothing to do with the pixels dispatched.
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