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* vc4: Use the user's actual first vertex attribute.Eric Anholt2014-08-084-35/+70
| | | | | This is hardcoded to read it as RGBA32F so far, but starts to get more tests working.
* vc4: Fix UBO allocation when no uniforms are used.Eric Anholt2014-08-081-1/+2
| | | | We do rely on a real BO getting allocated, so make sure we ask for a non-zero size.
* vc4: Add initial support for math opcodesEric Anholt2014-08-082-1/+41
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* vc4: Switch to actually generating vertex and fragment shader code from TGSI.Eric Anholt2014-08-0812-247/+1243
| | | | | | | | | | | | | | | | | | This introduces an IR (QIR, for QPU IR) to do optimization on. It's a scalar, SSA IR in general. It looks like optimization is pretty easy this way, though I haven't figured out if it's going to be good for our weird register allocation or not (or if I want to reduce to basically QPU instructions first), and I've got some problems with it having some multi-QPU-instruction opcodes (SEQ and CMP, for example) which I probably want to break down. Of course, this commit mostly doesn't work, since many other things are still hardwired, like the VBO data. v2: Rewrite to use a bunch of helpers (qir_OPCODE) for emitting QIR instructions into temporary values, and make qir_inst4 take the 4 args separately instead of an array (all later callers wanted individual args).
* vc4: Start converting the driver to use vertex shaders.Eric Anholt2014-08-083-45/+177
| | | | | | | | Note: This is the cutoff point where I switched from developing primarily on the Pi to developing o the simulator. As a result, from this point on the code is untested on the Pi (the kernel code I have currently wasn't rendering anything at this commit, though the simulator renders successfully, suggesting kernel bugs).
* vc4: Initial skeleton driver import.Eric Anholt2014-08-0834-1/+4628
| | | | | | | | | | | | | | | | | | | This mostly just takes every draw call and turns it into a sequence of commands that clear the FBO and draw a single shaded triangle to it, regardless of the actual input vertices or shaders. I copied the initial driver skeleton mostly from freedreno, and I've preserved Rob Clark's copyright for those. I also based my initial hardcoded shaders and command lists on Scott Mansell (phire)'s "hackdriver" project, though the bit patterns of the shaders emitted end up being different. v2: Rebase on gallium megadrivers changes. v3: Rebase on PIPE_SHADER_CAP_MAX_CONSTS change. v4: Rely on simpenrose actually being installed when building for simulation. v5: Add more header duplicate-include guards. v6: Apply Emil's review (protection against vc4 sim and ilo at the same time, and dropping the dricommon drm bits) and fix a copyright header (thanks, Roland)
* draw: (trivial) use information about gs being present from variant keyRoland Scheidegger2014-08-091-5/+4
| | | | | | This is a purely cosmetic change. Reviewed-by: Brian Paul <[email protected]>
* draw: don't use clipvertex output if user plane clipping is disabledRoland Scheidegger2014-08-091-2/+2
| | | | | | | | | | The non-llvm path made sure that both clip and pre_clip_pos point to the data output by position, not clipvertex, if user based clipping is disabled. However, the llvm path did not, which apparently led to failures if gl_ClipVertex was written but user plane clipping not enabled (bug 80183). Why I have no idea really, but just make it match the non-llvm behavior... Reviewed-by: Brian Paul <[email protected]>
* i965: Get rid of backend_instruction::samplerChris Forbes2014-08-097-11/+0
| | | | | | | | The generators no longer use this. Signed-off-by: Chris Forbes <[email protected]> Reviewed-by: Matt Turner <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
* i965/vec4/Gen8: Use src1 for sampler_index instead of ->sampler fieldChris Forbes2014-08-092-7/+15
| | | | | | Signed-off-by: Chris Forbes <[email protected]> Reviewed-by: Matt Turner <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
* i965/vec4/Gen4-7: Use src1 for sampler_index instead of ->sampler fieldChris Forbes2014-08-092-8/+15
| | | | | | Signed-off-by: Chris Forbes <[email protected]> Reviewed-by: Matt Turner <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
* i965/vec4: Pass sampler index in src1 for texture opsChris Forbes2014-08-092-7/+11
| | | | | | Signed-off-by: Chris Forbes <[email protected]> Reviewed-by: Matt Turner <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
* i965/vec4: Collect all emits of texture ops into one placeChris Forbes2014-08-091-26/+12
| | | | | | Signed-off-by: Chris Forbes <[email protected]> Reviewed-by: Matt Turner <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
* i965/fs/Gen8: Pass sampler_index to generate_texChris Forbes2014-08-092-7/+14
| | | | | | Signed-off-by: Chris Forbes <[email protected]> Reviewed-by: Matt Turner <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
* i965/fs/Gen4-7: Pass sampler_index to generate_texChris Forbes2014-08-092-7/+14
| | | | | | Signed-off-by: Chris Forbes <[email protected]> Reviewed-by: Matt Turner <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
* i965/blorp: Put sampler index in src1 of texture opsChris Forbes2014-08-091-1/+2
| | | | | | Signed-off-by: Chris Forbes <[email protected]> Reviewed-by: Matt Turner <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
* i965/fs: pass sampler as src1 of texture opChris Forbes2014-08-093-23/+25
| | | | | Reviewed-by: Matt Turner <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
* i965/fs: Collect all emits of texture ops for Gen5/6 into one placeChris Forbes2014-08-091-13/+18
| | | | | | | | | Reduces duplication, and will do so even more when we change the sampler plumbing. Signed-off-by: Chris Forbes <[email protected]> Reviewed-by: Matt Turner <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
* i965/fs: Collect all emits of texture ops for Gen4 into one placeChris Forbes2014-08-091-20/+11
| | | | | | | | | Reduces duplication, and will do so even more when we change the sampler plumbing. Signed-off-by: Chris Forbes <[email protected]> Reviewed-by: Matt Turner <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
* configure: check for dladdr via AC_CHECK_FUNC/AC_CHECK_LIBPali Rohár2014-08-081-4/+3
| | | | | | | | | | | | | Use both macros as in some cases using AC_CHECK_FUNCS alone may fail. Thus HAVE_DLADDR will not be defined, and as a result most of the code in megadriver_stub.c will not be compiled. Breaking the backwards compatibility between older libGL/xserver(s) and DRI megadrivers. Cc: Jon TURNEY <[email protected]> Cc: "10.2" <[email protected]> [Emil Velikov] Commit message. Signed-off-by: Emil Velikov <[email protected]> Reviewed-by: Matt Turner <[email protected]>
* util: remove ralloc_testEmil Velikov2014-08-084-106/+5
| | | | | | | | | The tests in an empty stub, which we're currently building twice. If anyone is interested in expanding it (adding actual tests) they can always bring it back. Suggested-by: Kenneth Graunke <[email protected]> Signed-off-by: Emil Velikov <[email protected]>
* gallivm: Handle MSAA textures in emit_fetch_texelsDarius Goad2014-08-081-2/+7
| | | | | | | | | | | | This support is preliminary due to the fact that MSAA is not actually implemented. However, this patch does fix the piglit test: spec/!OpenGL 3.2/glsl-resource-not-bound 2DMS (bug #79740). (v2 RS: don't emit 4th coord as explicit lod) Reviewed-by: Roland Scheidegger <[email protected]>
* draw: hack around weird primitive id input in gsRoland Scheidegger2014-08-083-5/+21
| | | | | | | | | | | | | | | | | | | | | | The distinction between system values and ordinary inputs is not very obvious in gallium - further fueled by the fact that they use the same semantic names. Still, if there's any value which imho really is a system value, it's the primitive id input into the gs (while earlier (tessleation) stages could read it, it is _always_ generated by the system). For some odd reason though (which I'd classify as a bug but seems too complicated to fix) the glsl compiler in mesa treats this as an ordinary varying, and everything else after that (including the state tracker and other drivers) just go along with that. But input fetching in gs for llvm based draw was definitely limited to the ordinary (2-dimensional) inputs so only worked with other state trackers, the code was also additionally relying on tgsi_scan_shader filling uses_primid correctly which did not happen neither (would set it only for all stages if it was a system value, but only set it for the fragment shader if it was an input value). This fixes piglit glsl-1.50-geometry-primitive-id-restart and primitive-id-in in llvmpipe. Reviewed-by: Brian Paul <[email protected]>
* draw: fix prim id float cast for non-llvm pathRoland Scheidegger2014-08-081-8/+4
| | | | | | | These values are always uints, casting them to floats does no good. Fixes piglit glsl-1.50-geometry-primitive-id-restart tests for softpipe. Reviewed-by: Brian Paul <[email protected]>
* clover: Add support for CL_MAP_WRITE_INVALIDATE_REGIONBruno Jiménez2014-08-082-0/+14
| | | | | | | | | | | | | | | | OpenCL 1.2 CL_MAP_WRITE_INVALIDATE_REGION sounds a lot like PIPE_TRANSFER_DISCARD_RANGE: From OpenCL 1.2 spec: The contents of the region being mapped are to be discarded. From p_defines.h: Discards the memory within the mapped region. v2: Move the code for validating flags to the front-end as suggested by Francisco Jerez Reviewed-by: Francisco Jerez <[email protected]>
* ilo: break down the format tableChia-I Wu2014-08-081-299/+431
| | | | | | | The PRMs no longer have a single table for format capabilities. Multiple tables take up less space, and are easier to maintain. Encode typed write information while at it.
* i965: Emit a performance warning on conditional rendering.Kenneth Graunke2014-08-081-0/+5
| | | | | | | | | We have a CPU-side implementation of conditional rendering; it really should be done on the GPU. It's not necessarily that hard, but nobody has gotten to fixing it yet. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Chris Forbes <[email protected]>
* i965: Set ExecSize to 16 for loop instructions in SIMD16 shaders.Kenneth Graunke2014-08-081-5/+8
| | | | | | | | | | | | | | | | | | | Previously, we explicitly set the execution size to BRW_EXECUTE_8 and disabled compression for loop instructions. I can't imagine how this could be correct in SIMD16 mode. Looking at the history, it appears that this code has used BRW_EXECUTE_8 since 2007, when we had a SIMD8 backend that supported control flow and a separate SIMD16 backend that didn't. Presumably, when we added SIMD16 support for shaders with control flow, we simply neglected to update it. Note that Gen4-5 don't support SIMD16 on shaders with control flow. This might be a candidate for stable, but would need to be rewritten completely due to the brw_inst API changes in master. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Matt Turner <[email protected]>
* i965/eu: Merge brw_CONT and gen6_CONT.Kenneth Graunke2014-08-084-28/+7
| | | | | | | The only difference is setting PopCount on Gen4-5. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Matt Turner <[email protected]>
* i965/eu: Drop redundant brw_set_src0/brw_set_dest from gen6_CONT.Kenneth Graunke2014-08-081-2/+0
| | | | | | | We shouldn't need to set them, then set them differently. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Matt Turner <[email protected]>
* util: add src/util/format_srgb.c to .gitignoreJuha-Pekka Heikkila2014-08-081-0/+1
| | | | | | | | | format_srgb.c is generated by format_srgb.py python script, having format_srgb.c in git ignore list will silence git complaints about untracked file. Signed-off-by: Juha-Pekka Heikkila <[email protected]> Reviewed-by: Marek Olšák <[email protected]>
* mesa: Fold _mesa_uniform_merge_location_offset into its only callerIan Romanick2014-08-073-48/+3
| | | | | | | | Also delete the comment before that function. Everything in that comment was either stale, wrong, or captured elsewhere. Signed-off-by: Ian Romanick <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]>
* mesa: Fold _mesa_uniform_split_location_offset into its only callerIan Romanick2014-08-072-22/+6
| | | | | Signed-off-by: Ian Romanick <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]>
* glsl_to_tgsi: Delete unused function set_uniform_initializerIan Romanick2014-08-071-72/+0
| | | | | Signed-off-by: Ian Romanick <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]>
* mesa: Use MAX2 to calculate maximum uniform elementIan Romanick2014-08-071-3/+1
| | | | | Signed-off-by: Ian Romanick <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]>
* mesa: Have validate_uniform_parameters return the gl_uniform_storage pointerIan Romanick2014-08-071-31/+30
| | | | | | | | This simplifies all the callers, and it enables the removal of one of the function parameters. Signed-off-by: Ian Romanick <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]>
* glsl/glcpp: Rename one test to avoid a duplicate test numberCarl Worth2014-08-072-0/+0
| | | | | | | | | | | With two tests both numbered 118, there was a confusing off-by-two difference between the last test number and the total number of tests (as reported by glcpp-test). With this rename, there's only an off-by-one difference left, (which is easy to understand given the zero-based test numbering). Reviewed-by: Ian Romanick <[email protected]>
* glsl/glcpp: Fix handling of commas that result from macro expansionCarl Worth2014-08-073-12/+45
| | | | | | | | | | | | | | | | | | | | | | | | Here is some additional stress testing of nested macros where the expansion of macros involves commas, (and whether those commas are interpreted as argument separators or not in subsequent function-like macro calls). Credit to the GCC documentation that directed my attention toward this issue: https://gcc.gnu.org/onlinedocs/gcc-3.2/cpp/Argument-Prescan.html Fixing the bug required only removing code from glcpp. When first testing the details of expansions involving commas, I had come to the mistaken conclusion that an expanded comma should never be treated as an argument separator, (so had introduced the rather ugly COMMA_FINAL token to represent this). In fact, an expanded comma should be treated as a separator, (as tested here), and this treatment can be avoided by judicious use of parentheses (as also tested here). With this simple removal of the COMMA_FINAL token, the behavior of glcpp matches that of gcc's preprocessor for all of these hairy cases. Reviewed-by: Ian Romanick <[email protected]>
* glsl/glcpp: Integrate recent glcpp-test-cr-lf test into "make check"Carl Worth2014-08-074-13/+42
| | | | | | | | | | | | Beyond just listing this in the TESTS variable in Makefile.am, only minor changes were needed to make this work. The primary issue is that the build system runs the test script from a different directory than the script itself. So we have to use the $srcdir variable to find the test input files. Using $srcdir in this way also ensures that this test works when using an out-of-tree build. Reviewed-by: Ian Romanick <[email protected]>
* glsl/glcpp: Fix glcpp-test to correctly extract test-specific argumentsCarl Worth2014-08-071-1/+1
| | | | | | | | | | | | | | | | | | | | | The (optional) test-specific command-line arguments to be passed to glcpp are embedded within the source files of some tests, and glcpp-test uses grep to extract them. Of course, grep is line-based and looks for the native line-separator to determine line boundaries. So, for files using non-native line separators, grep was getting quite confused and passing bogus arguments to glcpp. Fix this by canonical-izing the line separators in the source file prior to using grep. With this commit, the glcpp-test-cr-lf tests pass entirely: \r: 143/143 tests pass \r\n: 143/143 tests pass \n\r: 143/143 tests pass Reviewed-by: Ian Romanick <[email protected]>
* glsl/glcpp: Fix line-continuation code to handle multiple newline flavorsCarl Worth2014-08-071-9/+87
| | | | | | | | | | | | | | | | | | | | | | | | | Sometimes the newline separator is a single character, and sometimes it is two characters. Before we can fold away and line-continuation backslashes, we identify the flavor of line separator that is in use. With this identified, we then correctly search for backslashes followed immediately by the first character of the line separator. Also, when re-inserting newlines to replace collapsed newlines, we carefully insert newlines of the same flavor. With this commit, almost all remaining test are fixed as tested by glcpp-test-cr-lf: \r: 142/143 tests pass \r\n: 142/143 tests pass \n\r: 143/143 tests pass (The only remaining failures have nothing to do with the actual pre-processor code, but are due to a bug in the way the test suite uses grep to try to extract test-specific command-line options from the source files.) Reviewed-by: Ian Romanick <[email protected]>
* glsl/glcpp: Don't include any newline characters in #error tokenCarl Worth2014-08-071-1/+1
| | | | | | | | | | | | | | | | | | Some tests were failing because the message printed by #error was including a '\r' character from the source file in its output. This is easily avoided by fixing the regular expression for #error to never include any of the possible newline characters, (neither '\r' nor '\n'). With this commit 2 tests are fixed for each of the '\r' and '\r\n' cases. Current results after the commit are: \r: 137/143 tests pass \r\n 142/143 tests pass \n\r: 139/143 tests pass Reviewed-by: Ian Romanick <[email protected]>
* glsl/glcpp: Treat CR+LF pair as a single newlineCarl Worth2014-08-072-5/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | The GLSL specification says that either carriage-return, line-feed, or both together can be used to terminate lines. Further, it says that when used together, the pair of terminators shall be interpreted as a single line. This final requirement has not been respected by glcpp up until now, (it has been emitting two newlines for every CR+LF pair). Here, we fix the lexer by using a regular expression for NEWLINE that eats up both "\r\n" (or even "\n\r") if possible before also considering a single '\n' or a single '\r' as a line terminator. Before this commit, the test results are as follows: \r: 135/143 tests pass \r\n: 4/143 tests pass \n\r: 4/143 tests pass After this commit, the test results are as follows: \r: 135/143 tests pass \r\n: 140/143 tests pass \n\r: 139/143 tests pass So, obviously, a dramatic improvement. Reviewed-by: Ian Romanick <[email protected]>
* glsl/glcpp: Add test script for testing various line-termination charactersCarl Worth2014-08-072-11/+137
| | | | | | | | | | | | | | | | | | | | | | The GLSL specification has a very broad definition of what is a newline. Namely, it can be the carriage-return character, '\r', the newline character, '\n', or any combination of the two, (though in combination, the two are treated as a single newline). Here, we add a new test-runner, glcpp-test-cr-lf, that, for each possible line-termination combination, runs through the existing test suite with all source files modified to use those line-termination characters. Instead of using the .expected files for this, this script assumes that the regular test suite has been run already and expects the output to match the .out files. This avoids getting 4 test failures for any one bug, and instead will hopefully only report bugs actually related to the line-termination characters. The new testing is not yet integrated into "make check". For that, some munging of the testdir option will be necessary, (to support "make check" with out-of-tree builds). For now, the scripts can just be run directly by hand. Reviewed-by: Ian Romanick <[email protected]>
* glsl/glcpp: Fix for macros that expand to include "defined" operatorsCarl Worth2014-08-073-45/+387
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Prior to this commit, the following snippet would trigger an error in glcpp: #define FOO defined BAR #if FOO #endif The problem was that support for the "defined" operator was implemented within the grammar, (where the parser was parsing the tokens of the condition itself). But what is required is to interpret the "defined" operator that results after macro expansion is performed. I could not find any fix for this case by modifying the grammar alone. The difficulty is that outside of the grammar we already have a recursive function that performs macro expansion (_glcpp_parser_expand_token_list) and that function itself must be augmented to be made aware of the semantics of the "defined" operator. The reason we can't simply handle "defined" outside of the recursive expansion function is that not only must we scan for any "defined" operators in the original condition (before any macro expansion occurs); but at each level of the recursive expansion, we must again scan the list of tokens resulting from expansion and handle "defined" before entering the next level of recursion to further expand macros. And of course, all of this is context dependent. The evaluation of "defined" operators must only happen when we are handling preprocessor conditionals, (#if and #elif) and not when performing any other expansion, (such as in the main body). To implement this, we add a new "mode" parameter to all of the expansion functions to specify whether resulting DEFINED tokens should be evaluated or ignored. One side benefit of this change is that an ugly wart in the grammar is removed. We previously had "conditional_token" and "conditional_tokens" productions that were basically copies of "pp_token" and "pp_tokens" but with added productions for the various forms of DEFINED operators. With the new code here, those ugly copy-and-paste productions are eliminated from the grammar. A new "make check" test is added to stress-test the code here. This commit fixes the following Khronos GLES3 CTS tests: conditional_inclusion.basic_2_vertex conditional_inclusion.basic_2_fragment Reviewed-by: Ian Romanick <[email protected]>
* glsl/glcpp: Swallow empty #pragma directives.Carl Worth2014-08-072-1/+7
| | | | | | | | | | | | | | Previously, we were passing these through, just like any other pragma. But the downstream compiler was tripping up on them. It seems easier to swallow these in the preprocessor and not pass them on at all rather than fixing the downstream compiler. This fixes the following Khronos GLES3 CTS tests: preprocessor.pragmas.pragma_vertex preprocessor.pragmas.pragma_fragment Reviewed-by: Ian Romanick <[email protected]>
* glsl/glcpp: Fix #pragma to not over-increment the line-number countCarl Worth2014-08-073-2/+12
| | | | | | | | | | | | | | Previously, the #pragma directive was swallowing an entire line, (including the final newline). At that time it was appropriate for it to increment the line count. More recently, our handling of #pragma changed to not include the newline. But the code to increment yylineno stuck around. This was causing __LINE__ to be increased by one more than desired for every #pragma. Remove the bogus, extra increment, and add a test for this case. Reviewed-by: Ian Romanick <[email protected]>
* glsl/glcpp: Add testing for null directives with spaces and commentsCarl Worth2014-08-072-0/+18
| | | | | | | | This new "make check" test stresses out the support from the last two commits, (to esnure that '#' is correctly interpreted as the null directives, regardless of any whitespace or comments on the same line). Reviewed-by: Ian Romanick <[email protected]>
* glsl/glcpp: Fix NULL directives when followed by a single-line commentCarl Worth2014-08-071-1/+1
| | | | | | | | | | | | | | | | | | | This is the fix for the following line: # // comment to ignore here According to the translation-phase rules, the comment should be removed before the preprocessor looks to interpret the null directive. So in our implementation we must explicitly look for single-line comments in the <HASH> start condition as well. This commit fixes the following Khronos GLES3 CTS tests: null_directive_vertex null_directive_fragment Reviewed-by: Ian Romanick <[email protected]>
* glsl/glcpp: Add tests for #define followed by commentsCarl Worth2014-08-072-2/+8
| | | | | | | This simply tests the previous commit, (that #define followed by a comment will still generate the expected "#define without macro name" error message). Reviewed-by: Ian Romanick <[email protected]>
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