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* glsl: Don't add nir files to libglsl_la_SOURCESKristian Høgsberg Kristensen2016-01-081-2/+5
| | | | | | | | SCons doesn't understand nir yet and doesn't want to compile the glsl to nir pass. Move the files to their own variable so we can add it only for automake. Tested-by: Brian Paul <[email protected]>
* glsl: Move glsl_to_nir files to LIBGLSL_FILESKristian Høgsberg Kristensen2016-01-081-2/+2
| | | | | | | | | libglsl_la_SOURCES includes both NIR_FILES and LIBGLSL_FILES, so for libglsl.la consumers, this is a no-op. libnir.la however no longer uses any GLSL IR infrastructure and can be used without also linking to libglsl.la. Acked-by: Matt Turner <[email protected]>
* glsl: Add lowering pass for shared variable referencesJordan Justen2015-12-091-0/+1
| | | | | | | | | | | | | | | | | In this lowering pass, shared variables are decomposed into intrinsic calls. v2: * Send mem_ctx as a parameter (Iago) v3: * Shared variables don't have an associated interface block (Iago) * Always use 430 packing (Iago) * Comment / whitespace cleanup (Iago) Signed-off-by: Jordan Justen <[email protected]> Reviewed-by: Iago Toral Quiroga <[email protected]> Reviewed-by: Kristian Høgsberg <[email protected]>
* glsl ubo/ssbo: Add lower_buffer_access classJordan Justen2015-12-091-0/+2
| | | | | | | | | | | | | | | | | This class has code that will be shared by lower_ubo_reference and lower_shared_reference. (lower_shared_reference will be used to support compute shader shared variables.) v2: * Add lower_buffer_access.h to makefile (Emil) * Remove static is_dereferenced_thing_row_major from lower_buffer_access.cpp. This will become a lower_buffer_access method in the next commit. * Pass mem_ctx as parameter rather than using a member variable (Iago) Signed-off-by: Jordan Justen <[email protected]> Reviewed-by: Iago Toral Quiroga <[email protected]> Reviewed-by: Kristian Høgsberg <[email protected]>
* glsl: move builtin_type_macros.h into the correct listEmil Velikov2015-11-201-1/+1
| | | | | | | Commit b9b40ef9b76 moved the file, but forgot to update the reference in the makefile. Thus the out of tree build was busted :\ Signed-off-by: Emil Velikov <[email protected]>
* nir: Add support for cloning shadersJason Ekstrand2015-11-181-0/+1
| | | | | | | | This commit is heavily based on one by Rob Clark <[email protected]> but reworked to re-use nir_create functions and do less hashing. Signed-off-by: Jason Ekstrand <[email protected]> Reviewed-by: Rob Clark <[email protected]>
* nir/nir_opt_peephole_ffma: Move this lowering pass to the i965 driverEduardo Lima Mitev2015-11-101-1/+0
| | | | | | | | | Because the next patch will add an optimization that is specific to i965, we want to move this loweing pass to that driver altogether. This is safe because i965 is the only consumer. Reviewed-by: Jason Ekstrand <[email protected]>
* glsl: Use array deref for access to vector componentsKristian Høgsberg Kristensen2015-11-101-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We've assumed that we could lower per-component vector access from vec[i] = scalar to vec = ir_triop_vector_insert(vec, scalar, i) but with SSBOs (and compute shader SLM and tesselation outputs) this is no longer valid. If a vector is "externally visible", multiple threads can write independent components simultaneously. With lowering to ir_triop_vector_insert, each thread read the entire vector, changes one component, then writes out the entire vector. This is racy. Instead of generating a ir_binop_vector_extract when we see v[i], we generate ir_dereference_array. We then add a lowering pass to lower the ir_dereference_array to ir_binop_vector_extract for rvalues and for to vector_insert for lvalues in a separate lowering pass. The resulting IR is the same as before, but we now have a window between ast->ir conversion and the lowering pass where v[i] appears in the IR as an array deref. This lets us run lowering passes that lower the vector access to I/O (eg for SSBO load/store) before we lower the per-component access to full vector writes. Reviewed-by: Jordan Justen <[email protected]> Signed-off-by: Kristian Høgsberg Kristensen <[email protected]>
* nir: Rename nir_live_variables.c to nir_liveness.c.Kenneth Graunke2015-11-051-1/+1
| | | | | | It doesn't actually operate on variables. Reviewed-by: Jason Ekstrand <[email protected]>
* nir: remove dependency on glslRob Clark2015-10-161-2/+2
| | | | | | | | | | | | | | | Move glsl_types into NIR, now that the dependency on glsl_symbol_table has been split out. Possibly makes sense to rename things at this point, but if we do that I'd like to keep it split out into a separate patch to make git history easier to follow (IMHO). v2: fix android build v3: I f***ing hate scons.. but at least it builds Reviewed-by: Jason Ekstrand <[email protected]> Signed-off-by: Rob Clark <[email protected]>
* nir: include nir_instr_set.h in the tarballEmil Velikov2015-10-151-0/+1
| | | | Signed-off-by: Emil Velikov <[email protected]>
* glsl: move shader_enums into nirRob Clark2015-10-091-3/+4
| | | | | | | | | | | | | | | | | | | | First step towards inverting the dependency between glsl and nir (so nir can be used without glsl). Also solves this issue with 'make distclean' Making distclean in mesa make[2]: Entering directory '/mnt/sdb1/Src64/Mesa-git/mesa/src/mesa' Makefile:2486: ../glsl/.deps/shader_enums.Plo: No such file or directory make[2]: *** No rule to make target '../glsl/.deps/shader_enums.Plo'. Stop. make[2]: Leaving directory '/mnt/sdb1/Src64/Mesa-git/mesa/src/mesa' Makefile:684: recipe for target 'distclean-recursive' failed make[1]: *** [distclean-recursive] Error 1 make[1]: Leaving directory '/mnt/sdb1/Src64/Mesa-git/mesa/src' Makefile:615: recipe for target 'distclean-recursive' failed make: *** [distclean-recursive] Error 1 Reported-by: Andy Furniss <[email protected]> Reviewed-by: Emil Velikov <[email protected]> Signed-off-by: Rob Clark <[email protected]>
* nir: split out instruction comparison functionsConnor Abbott2015-10-091-0/+1
| | | | | | | | | | | | Right now nir_instrs_equal() is tied pretty tightly to CSE, but we're going to introduce the idea of an instruction set and tie it to that instead. In anticipation of that, move this into its own file where we'll add the rest of the instruction set implementation later. v2: Rebase on texture support. Reviewed-by: Jason Ekstrand <[email protected]> Signed-off-by: Connor Abbott <[email protected]>
* glsl: Remove CSE pass.Matt Turner2015-10-051-1/+0
| | | | | | | | | | | | | | | | With NIR, it actually hurts things. total instructions in shared programs: 6529329 -> 6528888 (-0.01%) instructions in affected programs: 14833 -> 14392 (-2.97%) helped: 299 HURT: 1 In all affected programs I inspected (including the single hurt one) the pass CSE'd some multiplies and caused some reassociation (e.g., caused (A * B) * C to be A * (B * C)) when the original intermediate result was reused elsewhere. Acked-by: Kenneth Graunke <[email protected]>
* nir: Add a function to count the number of vertices a GS emits.Kenneth Graunke2015-09-261-0/+1
| | | | | | | | | | | Some hardware (such as Broadwell) can run geometry shaders more efficiently when the number of vertices emitted is statically known. This pass provides a way to obtain the constant vertex count, or -1 indicating that the vertex count is unknown/non-constant. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Jordan Justen <[email protected]>
* nir: Add new GS intrinsics that maintain a count of emitted vertices.Kenneth Graunke2015-09-231-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | This patch also introduces a lowering pass to convert the simple GS intrinsics to the new ones. See the comments above that for the rationale behind the new intrinsics. This should be useful for i965; it's a generic enough mechanism that I could see other drivers potentially using it as well, so I don't feel too bad about putting it in the generic code. v2: - Use nir_after_block_before_jump for the cursor (caught by Jason Ekstrand - I'd mistakenly used nir_after_block when rebasing this code onto the new NIR control flow API). - Remove the old emit_vertex intrinsic at the end, rather than in the middle (requested by Jason). - Use state->... directly rather than locals (requested by Jason). - Report progress from nir_lower_gs_intrinsics() (requested by me). - Remove "Authors:" section from file comment (requested by Michael Schellenberger Costa). Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Jason Ekstrand <[email protected]>
* nir: rename nir_lower_samplers.c{pp,}Emil Velikov2015-09-211-1/+1
| | | | | | | | | | | | | | | | | | With the only C++ function having its own wrapper we can 'demote' this file to a normal C one. This allows us to get rid of extern C { #include <foo.h> } 'hacks'. Plus some of the headers may use C99 initializers, which are not supported by the ISO standard. This may cause build issue on incremental builds. If so run the following: sed -i -e 's|samplers\.cpp|samplers.c|' src/glsl/nir/.deps/nir_lower_samplers.Plo Fixes: ef8eebc6ad5(nir: support indirect indexing samplers in struct arrays) Signed-off-by: Emil Velikov <[email protected]> Reported-by: Gottfried Haider <[email protected]> Tested-by: Gottfried Haider <[email protected]> Reviewed-by: Timothy Arceri <[email protected]>
* nir: add two-sided-color lowering passRob Clark2015-09-181-0/+1
| | | | | Signed-off-by: Rob Clark <[email protected]> Reviewed-by: Eric Anholt <[email protected]>
* nir: rename nir_lower_tex_projectorRob Clark2015-09-181-1/+1
| | | | | | | | | | Since the following patches will add additional tex-lowering related functionality, which doesn't make sense to split out into a separate pass (as they would require duplication of the projector lowering logic), let's give this pass a more generic name. Signed-off-by: Rob Clark <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]>
* nir: add lowering stage for user-clip-planes / clipdistRob Clark2015-09-171-0/+1
| | | | | | | | | | | | | | | The vertex shader lowering adds calculation for CLIPDIST, if needed (ie. user-clip-planes), and the frag shader lowering adds conditional kills based on CLIPDIST value (which should be treated as a normal interpolated varying by the driver). Note that this won't quite do the right thing in the face of MSAA plus user-clip-planes, since all the samples would be killed or not (rather than potentially only a portion of them). But it's better than no UCP support at all for drivers that don't have this in hw. Signed-off-by: Rob Clark <[email protected]> Reviewed-by: Eric Anholt <[email protected]>
* nir: Add a pass to rewrite uses of vecN sources to the vecN destinationJason Ekstrand2015-09-171-0/+1
| | | | | | | v2 (Jason Ekstrand): - Handle non-SSA sources and destinations Reviewed-by: Eduardo Lima Mitev <[email protected]>
* nir: Add a pass to lower outputs to temporary variablesJason Ekstrand2015-09-091-0/+1
| | | | | | | This pass can be used as a helper for NIR producers so they don't have to worry about creating the temporaries themselves. Reviewed-by: Ian Romanick <[email protected]>
* glsl: build: use makefile.sources variables when possibleEmil Velikov2015-09-091-2/+1
| | | | | | | | | | | Rather than folding one variable within the other only to unwrap them, just use the ones we need. v2: bring back LOCAL_PATH prefix for nir_constant_expressions,h Cc: 11.0 <[email protected]> Signed-off-by: Emil Velikov <[email protected]> Reviewed-by: Matt Turner <[email protected]> (v1)
* nir: add an optimization for removing dead control flowConnor Abbott2015-09-011-0/+1
| | | | | | | v2: use nir_cf_node_remove_after() instead of our own broken thing. v3: use the new control flow modification helpers. Reviewed-by: Kenneth Graunke <[email protected]>
* nir: move control flow modification to its own fileConnor Abbott2015-08-241-0/+3
| | | | | | | | | | | | | | | | We want to start reworking and expanding this code, but it'll be a lot easier to do once we disentangle it from the rest of the stuff in nir.c. Unfortunately, there are a few unavoidable dependencies in nir.c on methods we'd rather not expose publicly, since if not used in very specific situations they can cause Bad Things (tm) to happen. Namely, we need to do some magical control flow munging when adding/removing jumps. In the future, we may disallow adding/removing jumps in nir_instr_insert_*() and nir_instr_remove(), and use separate functions that are part of the control flow modification code, but for now we expose them and put them in a separate, private header. Signed-off-by: Connor Abbott <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]>
* nir: Add a nir_opt_undef() to handle csels with undef.Eric Anholt2015-08-141-0/+1
| | | | | | | | | | | | | | | | | | | We may find a cause to do more undef optimization in the future, but for now this fixes up things after if flattening. vc4 was handling this internally most of the time, but a GLB2.7 shader that did a conditional discard and assign gl_FragColor in the else was still emitting some extra code. total instructions in shared programs: 100809 -> 100795 (-0.01%) instructions in affected programs: 37 -> 23 (-37.84%) v2: Use nir_instr_rewrite_src() to update def/use on src[0] (by Thomas Helland). v3: Make sure to flag metadata dirties, and copy the swizzle and abs/neg over to src[0], too (by anholt). Reviewed-by: Thomas Helland <[email protected]> (v2) Tested-by: Thomas Helland <[email protected]> (v2)
* nir: Add a nir_lower_load_const_to_scalar() pass.Eric Anholt2015-08-041-0/+1
| | | | | | | | This is useful to increase the CSE opportunities for a scalar backend. It avoids regressions when dropping vc4's custom CSE implementation. v2: Cleanups by Matt (decl in the for loop, and unreachable()). Reviewed-by: Matt Turner <[email protected]>
* glsl/ir: add subroutine lowering pass (v2.3)Dave Airlie2015-07-231-0/+1
| | | | | | | | | | | | | | This lowers the enhanced ir_call using the lookaside table of subroutines into an if ladder. This initially was done at the AST level but it caused some ordering issues so a separate pass was required. v2: clone return value derefs. v2.1: update for subroutine->int convert. v2.2: add a clone for the array index Reviewed-by: Chris Forbes <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
* glsl: lower gl_TessLevel* from float[n] to vecn.Fabian Bieler2015-07-231-0/+1
| | | | | | | | | | Similar to gl_ClipDistance -> gl_ClipDistanceMESA v2: - renamed is_mesa_var to lowered_builtin_array_variable - moved LowerTessLevel into gl_constants - cosmetic changes in lower_tess_level.cpp Reviewed-by: Kenneth Graunke <[email protected]>
* nir: add nir_array.h to the sources listEmil Velikov2015-05-051-0/+1
| | | | | | | Otherwise `make distcheck' will fail. Signed-off-by: Emil Velikov <[email protected]> Reviewed-by: Jason Ekstrand <[email protected]>
* nir: Implement a nir_sweep() pass.Kenneth Graunke2015-04-071-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This pass performs a mark and sweep pass over a nir_shader's associated memory - anything still connected to the program will be kept, and any dead memory we dropped on the floor will be freed. The expectation is that this will be called when finished building and optimizing the shader. However, it's also fine to call it earlier, and many times, to free up memory earlier. v2: (feedback from Jason Ekstrand) - Skip sweeping impl->start_block, as it's already in the CF list. - Don't sweep SSA defs (they're owned by their defining instruction) - Don't steal phi sources (they're owned by nir_phi_instr). - Don't steal tex->src (it's owned by the tex_inst itself) - Don't sweep dereference chains (top-level dereferences are owned by the instruction; sub-dereferences are owned by the parent deref). - Don't sweep sources and destinations (SSA defs are handled as part of the defining instruction, and registers are handled as part of function implementations). - Just steal instructions; don't walk them (no longer required). v3: (feedback from Jason Ekstrand) - Steal indirect sources from nir_src/nir_dest. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Jason Ekstrand <[email protected]>
* nir: add lowering for idiv/udiv/umodRob Clark2015-04-051-0/+1
| | | | | | | | | | | | | | | | | Based on the algo from NV50LegalizeSSA::handleDIV() and handleMOD(). See also trans_idiv() in freedreno/ir3/ir3_compiler.c (which was an adaptation of the nv50 code from Ilia Mirkin). A python/numpy script which implements the same algorithm (and is possibly useful for debugging or analysis) can be found here: http://people.freedesktop.org/~robclark/div-lowering.py I've tested this on i965 hacked up to insert the idiv lowering pass, and on freedreno with NIR frontend. Signed-off-by: Rob Clark <[email protected]> Tested-by: Eric Anholt <[email protected]> (vc4)
* nir: Add a cubemap normalizing passJason Ekstrand2015-04-031-0/+1
| | | | | | | | | | | | | | | This commit adds a pass to L1-normalize cube-map coordinates. Some hardware such as i965 requires that largest cube-map coordinate is +-1. We had a pass to perform this normalization in GLSL IR but we need it in NIR for cube maps on ARB programs to work correctly. Reviewed-by: Jordan Justen <[email protected]> v2 (Suggested by Eric): - Do a vector fabs and split into components later - Move to core NIR Reviewed-by: Eric Anholt <[email protected]>
* nir: Add a lowering pass for texture projectors.Eric Anholt2015-04-031-0/+1
| | | | | | | Not much hardware wants them these days, and it might give us a chance to do CSE or algebraic at the NIR level. Reviewed-by: Jason Ekstrand <[email protected]>
* nir: Add a dedicated ffma peephole optimizationJason Ekstrand2015-04-011-0/+1
| | | | | | | | | | | | | i965/nir: Use the dedicated ffma peephole total instructions in shared programs: 4418748 -> 4394618 (-0.55%) instructions in affected programs: 1292790 -> 1268660 (-1.87%) helped: 5999 HURT: 457 GAINED: 4 LOST: 9 Reviewed-by: Matt Turner <[email protected]>
* mesa: Make a shared header for 3D pipeline enum / #defines.Eric Anholt2015-04-011-1/+2
| | | | | | | | | | | | | | | | | | NIR uses these enums/#defines in nir_variables and associated intrinsics, but I want to be able to use them from TGSI->NIR and NIR->TGSI. Otherwise, we had to pull in all of mtypes.h. This doesn't cover all of the enums we might want from a shared compiler core (like varying slots or vert attribs), but it at least covers what I need at the moment (system values and interp qualifiers). v2: Move to src/glsl since util/ is really vague. Include in Makefile.am list. Use plain bitshifts and stdint types instead of undefined BITFIELD64_BIT. v3: Rename to shader_enums.h. Move it into Makefile.sources. Reviewed-by: Kenneth Graunke <[email protected]> (v2, with recommendation to rename)
* nir: add nir_builder.h to the tarballEmil Velikov2015-04-011-0/+1
| | | | | | | | | | | | | | The header was added with commit 2a135c470e3(nir: Add an ALU op builder kind of like ir_builder.h) but did not made it into to the sources list. Fortunately it remained unused until a recent commit faf6106c6f6(nir: Implement a Mesa IR -> NIR translator.) v2: Remove the bogus dependency. Tweak commit message. Signed-off-by: Emil Velikov <[email protected]> Reviewed-by: Eric Anholt <[email protected]> Reviewed-by: Matt Turner <[email protected]>
* glsl: add the remaining files to the tarballEmil Velikov2015-03-241-0/+1
| | | | | Signed-off-by: Emil Velikov <[email protected]> Reviewed-by: Matt Turner <[email protected]>
* glsl: Optimize "if (cond) discard;" to a conditional discard.Kenneth Graunke2015-02-241-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | st_glsl_to_tgsi and ir_to_mesa have handled conditional discards for a long time; the previous patch added that capability to i965. i965 (Haswell) shader-db stats: Without NIR: total instructions in shared programs: 5792133 -> 5776360 (-0.27%) instructions in affected programs: 737585 -> 721812 (-2.14%) helped: 6300 HURT: 68 GAINED: 2 With NIR: total instructions in shared programs: 5787538 -> 5769569 (-0.31%) instructions in affected programs: 767843 -> 749874 (-2.34%) helped: 6522 HURT: 35 GAINED: 6 Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Connor Abbott <[email protected]> Reviewed-by: Matt Turner <[email protected]> Reviewed-by: Eric Anholt <[email protected]>
* nir: Add a global code motion (GCM) passJason Ekstrand2015-02-191-0/+1
| | | | | | | | | v2 Jason Ekstrand <[email protected]>: - Use nir_dominance_lca for computing least common anscestors - Use the block index for comparing dominance tree depths - Pin things that do partial derivatives Reviewed-by: Reviewed-by: Connor Abbott <[email protected]>
* nir: Add an ALU op builder kind of like ir_builder.hEric Anholt2015-02-181-0/+1
| | | | | | | | | | | | | | | | | v2: Rebase on the nir_opcodes.h python code generation support. v3: Use SSA values, and set an appropriate writemask on dot products. v4: Make the arguments be SSA references as well. This lets you stack up expressions in the arguments of other expressions, at the cost of having to insert a fmov/imov if you want to swizzle. Also, add the generated file to NIR_GENERATED_FILES. v5: Use more pythonish style for iterating the list. v6: Infer the size of the dest from the size of the srcs, and auto-swizzle a single small src out to the appropriate size. v7: Add little helpers for initializing the struct, add a typedef for the struct like other nir types have. Reviewed-by: Kenneth Graunke <[email protected]> (v6) Reviewed-by: Connor Abbott <[email protected]> (v7)
* nir: add missing header to the sources listEmil Velikov2015-02-121-0/+1
| | | | | | | Cc: "10.5" <[email protected]> Signed-off-by: Emil Velikov <[email protected]> Reviewed-by: Connor Abbott <[email protected]> Reviewed-by: Matt Turner <[email protected]>
* nir: add an optimization to remove useless phi nodesConnor Abbott2015-02-031-0/+1
| | | | | | | | | | | | | | | | | | | | This removes phi nodes whose sources all point to the same thing. Shader-db results: total NIR instructions in shared programs: 2045293 -> 2041209 (-0.20%) NIR instructions in affected programs: 126564 -> 122480 (-3.23%) helped: 615 HURT: 0 total FS instructions in shared programs: 4321840 -> 4320392 (-0.03%) FS instructions in affected programs: 24622 -> 23174 (-5.88%) helped: 138 HURT: 0 Reviewed-by: Jason Ekstrand <[email protected]> Tested-by: Jason Ekstrand <[email protected]> Signed-off-by: Connor Abbott <[email protected]>
* nir: Add a pass to lower vector phi nodes to scalar phi nodesJason Ekstrand2015-02-031-0/+1
| | | | | | | | | | | | | | | | | | | | | | v2 Jason Ekstrand <[email protected]>: - Add better comments - Use nir_ssa_dest_init and nir_src_for_ssa more places - Fix some void * casts v3 Jason Ekstrand <[email protected]>: - Rework the way we determine whether or not to sccalarize a phi node to make the recursion non-bogus - Treat load_const instructions as scalarizable v4 Jason Ekstrand <[email protected]>: - Allow uniform and input loads to be scalarizable v5 Jason Ekstrand <[email protected]>: - Also consider loads of inputs (varying, uniform, or ubo) to be scalarizable. We were already doing this for load_var on uniforms and inputs. Reviewed-by: Kenneth Graunke <[email protected]>
* nir: add new constant folding infrastructureJason Ekstrand2015-01-241-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | Add a required field to the Opcode class, const_expr, that contains an expression or statement that computes the result of the opcode given known constant inputs. Then take those const_expr's and expand them into a function that takes an opcode and an array of constant inputs and spits out the constant result. This means that when adding opcodes, there's one less place to update, and almost all the opcodes are self-documenting since the information on how to compute the result is right next to the definition. The helper functions in nir_constant_expressions.c were taken from ir_constant_expressions.cpp. v3 Jason Ekstrand <[email protected]> - Use mako to generate one function per opcode instead of doing piles of string splicing v4 Jason Ekstrand <[email protected]> - More comments and better indentation in the mako - Add a description of the constant expression language in nir_opcodes.py - Added nir_constant_expressions.py to EXTRA_DIST in Makefile.am Signed-off-by: Jason Ekstrand <[email protected]> Reviewed-by: Connor Abbott <[email protected]>
* nir: use Python to autogenerate opcode informationConnor Abbott2015-01-241-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Before, we used a system where a file, nir_opcodes.h, defined some macros that were included to generate the enum values and the nir_op_infos structure. This worked pretty well, but for development the error messages were never very useful, Python tools couldn't understand the opcode list, and it was difficult to use nir_opcodes.h to do other things like autogenerate a builder API. Now, we store opcode information in nir_opcodes.py, and we have nir_opcodes_c.py to generate the old nir_opcodes.c and nir_opcodes_h.py to generate nir_opcodes.h, which contains all the enum names and gets included into nir.h like before. In addition to solving the above problems, using Python and Mako to generate everything means that it's much easier to add keep information centralized as we add new things like constant propagation that require per-opcode information. v2: - make Opcode derive from object (Dylan) - don't use assert like it's a function (Dylan) - style fixes for fnoise, use xrange (Dylan) - use iterkeys() in nir_opcodes_h.py (Dylan) - use pydoc-style comments (Jason) - don't make fmin/fmax commutative and associative yet (Jason) Signed-off-by: Connor Abbott <[email protected]> Reviewed-by: Jason Ekstrand <[email protected]> v3 Jason Ekstrand <[email protected]> - Alphabetize source file lists - Generate nir_opcodes.h in the builddir instead of the source dir - Include $(builddir)/src/glsl/nir in the i965 build - Rework nir_opcodes.h generation so it generates a complete header file instead of one that has to be embedded inside an enum declaration
* nir: Add nir_lower_alu_to_scalar.Eric Anholt2015-01-231-0/+1
| | | | | | | | | | | | | | | | This is the equivalent of brw_fs_channel_expressions.cpp, which I wanted for vc4. v2: Use the nir_src_for_ssa() helper, and another instance of nir_alu_src_copy(). v3: Drop the non-SSA support. All intended callers will have SSA-only ALU ops. v4: Use insert_before, drop stale bcsel/fcsel comment, drop now-unused unsupported() function, drop lower_context struct. v5: Completely rename the pass to nir_lower_alu_to_scalar(), add an assert about weird input_sizes[]. Reviewed-by: Jason Ekstrand <[email protected]>
* glsl: Build with subdir-objects.Matt Turner2015-01-231-170/+167
| | | | | | Apparently $(top_srcdir) is not expanded in a source list when using subdir-objects, so remove that. It's not clear to me why we were going to such lengths to prefix each source file anyway.
* nir: Add headers to distribution.Matt Turner2015-01-231-0/+2
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* glsl: Add blob.c---a simple interface for serializing dataCarl Worth2015-01-161-0/+2
| | | | | | | | | | | | | | | This new interface allows for writing a series of objects to a chunk of memory (a "blob").. The allocated memory is maintained within the blob itself, (and re-allocated by doubling when necessary). There are also functions for reading objects from a blob as well. If code attempts to read beyond the available memory, the read functions return 0 values (or its moral equivalent) without reading past the allocated memory. Once the caller is done with the reads, it can check blob->overrun to ensure whether any invalid values were previously returned due to attempts to read too far. Reviewed-by: Jason Ekstrand <[email protected]>
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