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* nv50/ir: attempt to do more constant folding on mad -> add conversionIlia Mirkin2015-12-301-11/+10
| | | | | | | | | The add might actually have a 0 as an argument, which would convert it into a mov. Make sure to detect that. Also avoid the hack of putting the immediate directly into the instruction, instead use a mov to put it into place and let the later LoadPropagation pass place it if possible. Signed-off-by: Ilia Mirkin <[email protected]>
* i965/gen8: Always use BRW_REGISTER_TYPE_UW for MUL on GEN8+Marta Lofstedt2015-12-302-29/+1
| | | | | | | | | | | | | The imulExtended tests of the shader bitfield tests of the OpenGL ES 3.1 CTS, fail on gen8+, when BRW_REGISTER_TYPE_W is used for SHADER_OPECODE_MULH. Also, remove unused helper function: static inline bool type_is_signed(unsigned type) Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=92595 Signed-off-by: Marta Lofstedt <[email protected]> Reviewed-by: Matt Turner <[email protected]>
* glsl: tidy up struct with a single memberTimothy Arceri2015-12-308-19/+15
| | | | | | | | | | | There used to be more members but they now share other fields in order to keep memory use low. Also making the naming more generic will allow us to reuse the field for explicit byte offsets within blocks for ARB_enhanced_layouts. Reviewed-by: Edward O'Callaghan <[email protected]>
* glsl/linker: annotate static functions as suchEmil Velikov2015-12-302-3/+3
| | | | | Reviewed-by: Timothy Arceri <[email protected]> Reviewed-by: Edward O'Callaghan <[email protected]>
* glsl: annotate ast_process_struct_or_iface_block_members() as staticEmil Velikov2015-12-301-1/+1
| | | | | Reviewed-by: Timothy Arceri <[email protected]> Reviewed-by: Edward O'Callaghan <[email protected]>
* nir/builder: Add an init function that creates a simple shader for youJason Ekstrand2015-12-294-34/+28
| | | | | | | | | | | A hugely common case when using nir_builder is to have a shader with a single function called main. This adds a helper that gives you just that. This commit also makes us use it in the NIR control-flow unit tests as well as tgsi_to_nir and prog_to_nir. Reviewed-by: Eric Anholt <[email protected]> Reviewed-by: Connor Abbott <[email protected]> Acked-by: Kenneth Graunke <[email protected]>
* mesa/st: Pad out _mesa_sysval_to_semantic for new SYSTEM_VALUE_* enumsKristian Høgsberg Kristensen2015-12-291-0/+2
| | | | | | | GL_ARB_shader_draw_parameters added two new system values. This gets us back to mapping mesa system values to the right TGSI semantics. Reviewed-by: Ilia Mirkin <[email protected]>
* nv50/ir: float(s32 & 0xff) = float(u8), not s8Ilia Mirkin2015-12-291-0/+3
| | | | | | | | Make sure to make conversion unsigned when we're ANDing the high bits away. Fixes corruption in dolphin. Signed-off-by: Ilia Mirkin <[email protected]> Cc: "11.0 11.1" <[email protected]>
* i965: Reemit vertex state between indirect multi drawsKristian Høgsberg Kristensen2015-12-291-2/+22
| | | | | | | | | | | | If we're doing an indirect draw, prims[i].basevertex is always 0 and the real base vertex value is in the indirect parameter buffer. We try to avoid flagging BRW_NEW_VERTICES if prims[i].basevertex doesn't change, which then breaks down for indirect draws. Thus, if a program uses base vertex or base instance, and the draw call is indirect, always flag BRW_NEW_VERTICES. A new piglit test, spec/ARB_shader_draw_parameters/drawid-indirect-vertexid tests this. Reviewed-by: Anuj Phogat <[email protected]>
* nir: Teach nir_opt_algebraic about adding and subtracting the same thingKristian Høgsberg Kristensen2015-12-291-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | This optimizes a + b - b to just a. Modest shader-db results (BDW): total instructions in shared programs: 7842452 -> 7841862 (-0.01%) instructions in affected programs: 61938 -> 61348 (-0.95%) total loops in shared programs: 2131 -> 2131 (0.00%) helped: 263 HURT: 0 GAINED: 0 LOST: 0 but the optimization turns gl_VertexID - gl_BaseVertexARB into just a reference to SYSTEM_VALUE_VERTEX_ID_ZERO_BASE, which the i965 hardware supports natively. That means we can avoid using the internal vertex buffer for gl_BaseVertexARB in this case. Reviewed-by: Eduardo Lima Mitev <[email protected]> Reviewed-by: Ian Romanick <[email protected]> Reviewed-by: Matt Turner <[email protected]>
* i965: Add support for gl_DrawIDARB and enable extensionKristian Høgsberg Kristensen2015-12-2912-5/+145
| | | | | | | | | | We have to break open a new vec4 for gl_DrawIDARB. We've used up all space in the vec4 we use for SGVS and gl_DrawIDARB has to come from its own separate vertex buffer anyway. This is because we point the vb for base vertex and base instance into the draw parameter BO for indirect draw calls, but the draw id is generated by mesa in a different buffer. Reviewed-by: Anuj Phogat <[email protected]>
* i965: Add support for gl_BaseVertexARB and gl_BaseInstanceARBKristian Høgsberg Kristensen2015-12-2911-37/+88
| | | | | | | We already have gl_BaseVertexARB in the .x component of the SGVS vec4 and plug gl_BaseInstanceARB into the last free component (.y). Reviewed-by: Anuj Phogat <[email protected]>
* i965: Assert that SYSTEM_VALUE_VERTEX_ID gets loweredKristian Høgsberg Kristensen2015-12-291-0/+1
| | | | | | | | | fs_visitor::emit_vs_system_value() looks like it's trying to handle SYSTEM_VALUE_VERTEX_ID, but we should never see that value in the backend. Reviewed-by: Anuj Phogat <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]>
* mesa: Add core mesa support for GL_ARB_shader_draw_parametersKristian Høgsberg Kristensen2015-12-299-0/+41
| | | | Reviewed-by: Anuj Phogat <[email protected]>
* mesa/vbo: Add draw_id field to struct _mesa_primKristian Høgsberg Kristensen2015-12-292-0/+5
| | | | | | | | | | The drivers will need this for passing in gl_DrawIDARB. For indirect multidraw calls, we get the prim array and prim[i].draw_id == i and is redundant. But for non-indirect calls, we get one primitive at a time and need the draw_id field. Reviewed-by: Anuj Phogat <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
* nir: Remove function overload in control flow testAaron Watry2015-12-291-2/+1
| | | | | | | Fixes make check. Signed-off-by: Aaron Watry <[email protected]> Reviewed-by: Jason Ekstrand <[email protected]>
* radeonsi: add RADEON_REPLACE_SHADERS debug optionNicolai Hähnle2015-12-293-5/+105
| | | | | | | | | | | This option allows replacing a single shader by a pre-compiled ELF object as generated by LLVM's llc, for example. This can be useful for debugging a deterministically occuring error in shaders (and has in fact helped find the causes of https://bugs.freedesktop.org/show_bug.cgi?id=93264). v2: drop the debug flag, use DEBUG_GET_ONCE_OPTION instead Reviewed-by: Marek Olšák <[email protected]>
* radeonsi: count compilations in si_compile_llvmNicolai Hähnle2015-12-292-1/+2
| | | | | | | | This changes the count slightly (because of si_generate_gs_copy_shader), but this is only relevant for the driver-specific num-compilations query. It sets the stage for the next commit. Reviewed-by: Marek Olšák <[email protected]>
* gallium/util: add DEBUG_GET_ONCE_OPTIONNicolai Hähnle2015-12-291-0/+13
| | | | | | This is analogous to the alreading existing macros for BOOL, NUM, and FLAGS. Reviewed-by: Marek Olšák <[email protected]>
* r600: fix constant buffer size programmingGrazvydas Ignotas2015-12-292-2/+2
| | | | | | | | | | | | When buffer size is less than 16, zero ends up being programmed as size, which prevents the hardware from fetching the correct values. Fix it by combining shift and align so that the value is always rounded up. Cc: "11.1 11.0 10.6" <[email protected]> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=92229 Signed-off-by: Grazvydas Ignotas <[email protected]> Reviewed-by: Nicolai Hähnle <[email protected]>
* docs: Mark ARB_tessellation_shader as done on all i965 platforms.Kenneth Graunke2015-12-282-2/+2
| | | | | | | We now support all Intel GPUs which can do tessellation. Reviewed-by: Edward O'Callaghan <[email protected]> Reviewed-by: Jordan Justen <[email protected]>
* i965: Enable ARB_tessellation_shader on Gen7-7.5.Kenneth Graunke2015-12-282-3/+3
| | | | | | | | We've resolved all the GPU hangs, and everything seems to be working. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Edward O'Callaghan <[email protected]> Reviewed-by: Jordan Justen <[email protected]>
* i965: Don't set interleave or complete on TCS EOT message.Kenneth Graunke2015-12-285-5/+41
| | | | | | | | | | | | | | | | Setting interleave on the TCS EOT message causes Ivybridge hardware to GPU hang like crazy. Individual tests would pass, but running even a simple test like nop.shader_test in a loop would hang within 1-3 runs. Adding sleep delays worked around the problem, somehow. Interleave doesn't make much sense given that we only have one patch URB handle, not two. Complete doesn't seem useful either. There's no reason to actually set those bits. We were just being lazy. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Edward O'Callaghan <[email protected]> Reviewed-by: Jordan Justen <[email protected]>
* i965: Relase input URB Handles on Gen7/7.5 when TCS threads finish.Kenneth Graunke2015-12-285-1/+93
| | | | | | | | | | | | Pre-Broadwell hardware requires us to manually release the ICP Handles by issuing URB read messages with the "Complete" bit set. We can do this in pairs to use fewer URB read messages. Based heavily on work from Chris Forbes. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Edward O'Callaghan <[email protected]> Reviewed-by: Jordan Justen <[email protected]>
* i965: Use proper TCS barrier ID bits for Ivybridge/Baytrail.Kenneth Graunke2015-12-281-4/+6
| | | | | | | | Gen7 uses bits 15:12 while Gen7+ uses bits 16:13. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Edward O'Callaghan <[email protected]> Reviewed-by: Jordan Justen <[email protected]>
* i965: Use proper TCS Instance ID bits for Ivybridge/Baytrail.Kenneth Graunke2015-12-281-2/+5
| | | | | | | | Gen7 uses 22:16 while Gen7.5+ uses 23:17. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Edward O'Callaghan <[email protected]> Reviewed-by: Jordan Justen <[email protected]>
* i965: Port tessellation evaluation shaders to vec4 mode.Kenneth Graunke2015-12-288-2/+365
| | | | | | | | | This can be used on Broadwell by setting INTEL_SCALAR_TES=0. More importantly, it will be used for Ivybridge and Haswell. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Edward O'Callaghan <[email protected]> Reviewed-by: Jordan Justen <[email protected]>
* i965: Emit a real 3DSTATE_DS on Gen7.Kenneth Graunke2015-12-281-11/+54
| | | | | | Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Edward O'Callaghan <[email protected]> Reviewed-by: Jordan Justen <[email protected]>
* i965: Emit a real 3DSTATE_HS on Gen7.Kenneth Graunke2015-12-281-11/+47
| | | | | | Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Edward O'Callaghan <[email protected]> Reviewed-by: Jordan Justen <[email protected]>
* i965: Add the TCS/TES state upload atoms to the gen7_atoms list.Kenneth Graunke2015-12-283-30/+14
| | | | | | Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Edward O'Callaghan <[email protected]> Reviewed-by: Jordan Justen <[email protected]>
* nir: Get rid of function overloadsJason Ekstrand2015-12-2859-386/+313
| | | | | | | | | | | | | | | | | When Connor originally drafted NIR, he copied the same function+overload system that GLSL IR had with a few names changed. However, this double-indirection is not really needed and has only served to confuse people. Instead, let's just have functions which may not have unique names and may or may not have an implementation. If someone wants to do overload resolving, they can hav a hash table based function+overload system in the overload resolving pass. There's no good reason to keep it in core NIR. Reviewed-by: Connor Abbott <[email protected]> Acked-by: Kenneth Graunke <[email protected]> ir3 bits are Reviewed-by: Rob Clark <[email protected]>
* nvc0: don't forget to reset VTX_TMP bufctx slot after blit completionIlia Mirkin2015-12-271-0/+2
| | | | | | | Also release the scratch allocation if any. Signed-off-by: Ilia Mirkin <[email protected]> Cc: "11.0 11.1" <[email protected]>
* nv50,nvc0: add a note when converting vertex elements using CPUIlia Mirkin2015-12-272-0/+6
| | | | Signed-off-by: Ilia Mirkin <[email protected]>
* gallium/auxiliary: don't build NIR sources with MSVC2008 flagsConnor Abbott2015-12-232-7/+15
| | | | | | | | | | | | | NIR has never been built with MSVC2008, so we shouldn't add MSVC2008_COMPAT_CFLAGS to anything that uses it. This allows us to get rid of the pragma in tgsi_to_nir.c. Build tested with freedreno. v2: Use MSVC2013_COMPAT_CLFAGS instead. Reviewed-by: Jose Fonseca <[email protected]> Signed-off-by: Connor Abbott <[email protected]>
* i965: Add tr_mode and mip tail information in surface state dumpAnuj Phogat2015-12-231-2/+5
| | | | | Signed-off-by: Anuj Phogat <[email protected]> Reviewed-by: Ben Widawsky <[email protected]>
* i965/gen8/cs: Gen8 requires 64 byte alignment for push constant dataJordan Justen2015-12-221-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The BDW PRM Vol2a: Command Reference: Instructions, section MEDIA_CURBE_LOAD, says that 'CURBE Total Data Length' and 'CURBE Data Start Address' are 64-byte aligned. This is different from previous gens, that were 32-byte aligned. v2 (Jordan): - CURBE Data Start Address is also 64-byte aligned. - The call to brw_state_batch should also use 64-byte alignment. - Improve PRM reference. v3: * New patch from Jordan. Always align base and size to 64 bytes. Fixes the following SSBO CTS tests on BDW: ES31-CTS.shader_storage_buffer_object.basic-atomic-case1-cs ES31-CTS.shader_storage_buffer_object.basic-operations-case1-cs ES31-CTS.shader_storage_buffer_object.basic-operations-case2-cs ES31-CTS.shader_storage_buffer_object.basic-stdLayout_UBO_SSBO-case2-cs ES31-CTS.shader_storage_buffer_object.advanced-write-fragment-cs ES31-CTS.shader_storage_buffer_object.advanced-indirectAddressing-case2-cs ES31-CTS.shader_storage_buffer_object.advanced-matrix-cs And many other CS CTS tests as reported by Marta Lofstedt. (Commit message is from Iago, but in v3, code is from Jordan.) Signed-off-by: Jordan Justen <[email protected]> Tested-by: Iago Toral Quiroga <[email protected]> Reviewed-by: Iago Toral Quiroga <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]>
* freedreno/ir3: spelling..Rob Clark2015-12-231-6/+6
| | | | Signed-off-by: Rob Clark <[email protected]>
* nir/print: print variable constant-initializersRob Clark2015-12-231-0/+53
| | | | | Signed-off-by: Rob Clark <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]>
* docs: Clarify that ARB_tessellation_shader is only done on i965/gen8+.Kenneth Graunke2015-12-221-1/+1
| | | | Requested by kisak on IRC.
* docs: Mark ARB_tessellation_shader as done on i965/gen8+.Kenneth Graunke2015-12-222-2/+2
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* i965: Enable ARB_tessellation_shader on Gen8+.Kenneth Graunke2015-12-221-0/+1
| | | | | | | | | | | | | | | | | | Everything is in place and I'm not aware of any further issues. Tested with: - Piglit - Tessmark - Unigine Heaven - Shadow of Mordor - GRID Autosport I have patches to backport this to Haswell, Ivybridge, and Baytrail as well (the first Intel hardware to support tessellation), but there are still a lot of GPU hangs left to debug. So that will come later. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Jordan Justen <[email protected]>
* i965: Handle mix-and-match TCS/TES with separate shader objects.Kenneth Graunke2015-12-228-24/+87
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | GL_ARB_separate_shader_objects allows the application to mix-and-match TCS and TES programs separately. This means that the interface between the two stages isn't known until the final SSO pipeline is in place. This isn't a great match for our hardware: the TCS and TES have to agree on the Patch URB entry layout. Since we store data as per-patch slots followed by per-vertex slots, changing the number of per-patch slots can significantly alter the layout. This can easily happen with SSO. To handle this, we store the [Patch]OutputsWritten and [Patch]InputsRead bitfields in the TCS/TES program keys, introducing program recompiles. brw_upload_programs() decides the layout for both TCS and TES, and passes it to brw_upload_tcs/tes(), which store it in the key. When creating the NIR for a shader specialization, we override nir->info.inputs_read (and friends) to the program key's values. Since everything uses those, no further compiler changes are needed. This also replaces the hack in brw_create_nir(). To avoid recompiles, brw_precompile_tes() looks to see if there's a TCS in the linked shader. If so, it accounts for the TCS outputs, just as brw_upload_programs() would. This eliminates all recompiles in the non-SSO case. In the SSO case, there should only be recompiles when using a TCS and TES that have different input/output interfaces. Fixes Piglit's mix-and-match-tcs-tes test. v2: Pull the brw_upload_programs code into a brw_upload_tess_programs() helper function (requested by Jordan Justen). Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Jordan Justen <[email protected]>
* i965: Defer input lowering for tessellation stages until specialization.Kenneth Graunke2015-12-224-27/+22
| | | | | | | | | | | | | | | | | | | | With tessellation shaders and SSO, we won't be able to always decide on VUE map layouts at LinkProgram time. Unfortunately, we have to delay it until shader specialization time. However, uniform lowering cannot be deferred - brw_codegen_*_prog() reads nir->num_uniforms. Fortunately, we don't need to defer it - uniform, system value, atomic, and sampler lowering can safely stay where it is. This patch moves those to brw_lower_nir()'s only caller, renames brw_lower_nir() to brw_nir_lower_io(), and introduces calls to that. For non-tessellation stages, I chose to call brw_nir_lower_io() from brw_create_nir(), so it's still done at the same time. There's no need to defer it, and doing it at LinkProgram time is nice. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Jordan Justen <[email protected]>
* i965: Automatically create a passthrough TCS when needed.Kenneth Graunke2015-12-223-12/+113
| | | | | Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Jordan Justen <[email protected]>
* i965: Start program_string_id from 1, not 0.Kenneth Graunke2015-12-221-0/+1
| | | | | | | | | This way, I can safely use brw_tcs_prog_key::program_string_id == 0 to mean "not filled out because no program exists", which avoids the need for adding an extra boolean to that struct. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Jordan Justen <[email protected]>
* i965: Create and set a new brw_tcs_prog_data::outputs_written field.Kenneth Graunke2015-12-222-6/+14
| | | | | | | | | | | When the application hasn't supplied a TCS, and we have to create one, we need to know what VS outputs to copy to TES inputs. To do this, we create a new program key field, and set it to the TES InputsRead bitfield. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Jordan Justen <[email protected]>
* i965: Upload HS push constants whenever default tess. levels change.Kenneth Graunke2015-12-223-0/+5
| | | | | | | | | | | | | When using tessellation on OpenGL without a TCS, default values for gl_TessLevelOuter/gl_TessLevelInner are provided via the API. Core Mesa will flag ctx->DriverFlags.NewDefaultTessLevels whenever those values change. We add a corresponding BRW_NEW_DEFAULT_TESS_LEVELS flag and hook it up to HS push constants (which will be used to upload these default values to the autogenerated TCS). Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Jordan Justen <[email protected]>
* i965: Only call _mesa_load_state_parameters if prog exists.Kenneth Graunke2015-12-221-1/+2
| | | | | | | | With the automatic-TCS creation, we won't have a prog, but still need to upload push constants. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Jordan Justen <[email protected]>
* i965: Switch TCS gl_program/gl_shader_program checks over to TES.Kenneth Graunke2015-12-223-4/+5
| | | | | | | | | | | | | | | Tessellation control shaders are optional, but evaluation shaders will always be present when using tessellation. However, we'll always enable the TCS (HS) hardware stage when using tessellation - we'll just create a program on the fly. That program, however, won't have a gl_program or gl_shader_program. So we shouldn't check brw->tess_ctrl_program or shader_prog->_LinkedShaders[MESA_SHADER_TESS_CTRL] - if we want to know whether tessellation is enabled, we should look for a TES. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Jordan Justen <[email protected]>
* i965: Remove unnecessary brw->tess_ctrl_program assertions.Kenneth Graunke2015-12-225-6/+1
| | | | | | | | | | | | | This is trying to enforce the fact that the hardware requires HS, TE, and DS to be enabled or disabled together. But it's kind of an ad-hoc attempt, and not too useful. More importantly, we aren't going to have a gl_shader_program for the TCS which is automatically generated when none is present. (We'll just handle it in the driver backend.) So, these will trip for no reason. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Jordan Justen <[email protected]>
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