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* panfrost: Implement gl_FragCoord correctlyAlyssa Rosenzweig2019-08-221-6/+13
| | | | | | | | Rather than passing through the transformed gl_Position, we can use the hardware-level varying for this, which will correctly handle gl_FragCoord.w Signed-off-by: Alyssa Rosenzweig <[email protected]>
* pan/decode: Validate, but do not print, index bufferAlyssa Rosenzweig2019-08-221-0/+3
| | | | | | | We don't actually care about the *contents* of the index buffer, but we would rather like to ensure it is present and of the correct size. Signed-off-by: Alyssa Rosenzweig <[email protected]>
* pan/decode: Validate MFBD tagsAlyssa Rosenzweig2019-08-221-5/+3
| | | | | | | | | These tags need to match up with what's actually described by the MFBD, so check this. Once this is checked, since the type and contents of the FBD are obvious from printing above, there's no need to explicitly mark off the framebuffer line. Signed-off-by: Alyssa Rosenzweig <[email protected]>
* panfrost: Break up usage2 fieldAlyssa Rosenzweig2019-08-211-4/+22
| | | | | | This is another bit field describing layout. Signed-off-by: Alyssa Rosenzweig <[email protected]>
* panfrost: nr_mipmap_levels -> levelsAlyssa Rosenzweig2019-08-211-1/+1
| | | | | | No need to be so verbose. Signed-off-by: Alyssa Rosenzweig <[email protected]>
* pan/decode: Validate AFBC fields are zero when AFBC is disabledAlyssa Rosenzweig2019-08-211-21/+15
| | | | | | | | | There is no "chunknown" structure; that part of the union is an artefact from falsely believing vertex/tiler MFBDs could have render targets attached (they can't). These are just plain old AFBC fields, and if there is no AFBC, it's error to set these field. Signed-off-by: Alyssa Rosenzweig <[email protected]>
* pan/decode: Check for a number of potential issuesAlyssa Rosenzweig2019-08-211-1/+9
| | | | | | | | Verify sizes / masks / etc against something logical to cull down the trace space and automatically guard against a number of potential hazards. Signed-off-by: Alyssa Rosenzweig <[email protected]>
* pan/decode: Decode invalid access type upon faultAlyssa Rosenzweig2019-08-141-0/+15
| | | | | | | We don't have a good way to confirm this, but it parallels the kernel definitons for MMU faults nicely. Signed-off-by: Alyssa Rosenzweig <[email protected]>
* panfrost: Note "MFBD preload disable" bitAlyssa Rosenzweig2019-08-141-1/+10
| | | | | | It's a chicken bit, as far as I can tell. Buck buck. Signed-off-by: Alyssa Rosenzweig <[email protected]>
* panfrost: Take into account a index_bias for glDrawElementsBaseVertex callsRohan Garg2019-08-061-3/+18
| | | | | | | | | | | | | | Midgard does not accept a index_bias directly and relies instead on a bias correction offset (offset_bias_correction) in order to calculate the unbiased vertex index. We need to make sure we adjust offset_start and vertex_count in order to take into account the index_bias as required by a glDrawElementsBaseVertex call and then supply a additional offset_bias_correction to the hardware. Signed-off-by: Rohan Garg <[email protected]> Reviewed-by: Alyssa Rosenzweig <[email protected]>
* panfrost: Add support for decoding gl_FrontFacingAlyssa Rosenzweig2019-08-011-1/+10
| | | | Signed-off-by: Alyssa Rosenzweig <[email protected]>
* panfrost: Add MALI_SAMP_NORM_COORDS flagAlyssa Rosenzweig2019-07-311-0/+5
| | | | | | | Corresponds to the normalized coordinates? flag on images in OpenCL and evidently also shows up in GL, so let's wire it in. Signed-off-by: Alyssa Rosenzweig <[email protected]>
* panfrost: Simplify filter_mode definitionAlyssa Rosenzweig2019-07-311-12/+6
| | | | | | | It's just a bit field containing some flags; there's no need for all the macro magic. Signed-off-by: Alyssa Rosenzweig <[email protected]>
* pan/midgard: Shrink "compute FBD"Alyssa Rosenzweig2019-07-311-1/+1
| | | | | | | We still don't know what it is, but from a newer trace we now know it's half the size we thought it was. Signed-off-by: Alyssa Rosenzweig <[email protected]>
* panfrost: Flip texture/sampler fieldsAlyssa Rosenzweig2019-07-311-1/+1
| | | | | | | | We had them backwards in both the command stream and the Midgard stack. In OpenGL ES 2.0, they're always the same, but in Vulkan/later-GL/CL they diverge so we can fix this. Signed-off-by: Alyssa Rosenzweig <[email protected]>
* panfrost: Add MALI_ATTR_IMAGE valueAlyssa Rosenzweig2019-07-311-0/+6
| | | | | | | Images are implemented (in part) as special attributes, so include support for decoding this. Signed-off-by: Alyssa Rosenzweig <[email protected]>
* panfrost: Use correct NO_DITHER field on MFBDAlyssa Rosenzweig2019-07-181-0/+3
| | | | Signed-off-by: Alyssa Rosenzweig <[email protected]>
* panfrost: Use 64-bit descriptors globallyTomeu Vizoso2019-07-161-26/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Midgard supports two modes of operation, 32-bit mode and 64-bit mode. The GPU is natively 64-bit, but job descriptors can be submitted in 32-bit mode. Among other changes, 32-bit mode shortens pointer sizes to use 32-bit pointers rather than the full 64-bit range. The blob decides which mode to use based on the CPU bitness, so an armhf system uses 32-bit descriptors and an aarch64 system uses 64-bit descriptors. For a while, we mimicked this, bu inevitably this caused the 32-bit support to lag behind as our reference platform is 64-bit. To combat the code staleness, we traced an older GPU paired with a 64-bit CPU (the Midgard T720 on-board the sunxi H64). From there, we could tell which fields were really about hardware and which fields were simply reflections of the descriptor bitness. From there, we decided to remove support for 32-bit descriptors entirely, using 64-bit descriptors unconditionally. There is minimal performance penalty for this in practice, and it allows us to unify these disparate code paths. This fixes: - T860 + armhf - T820 + armhf - T760 + aarch64 And will help bringup of 1st/2nd generation Midgard regardless of CPU. [Work done by Tomeu. Commit message written by Alyssa.] v2: Add comments preserving information about the old behaviour for future reference. Fix a compiler warning. (Alyssa) Signed-off-by: Alyssa Rosenzweig <[email protected]>
* pan/decode: Depth units/factor are identical to GLAlyssa Rosenzweig2019-07-111-5/+1
| | | | | | | I'm not sure why I thoughtt here was an off-by-one, other than maybe bad data collection. Signed-off-by: Alyssa Rosenzweig <[email protected]>
* panfrost: Move non-Gallium files outside of GalliumAlyssa Rosenzweig2019-07-102-0/+1649
In preparation for a Panfrost-based non-Gallium driver (maybe Vulkan...?), hoist everything except for the Gallium driver into a shared src/panfrost. Practically, that means the compilers, the headers, and pandecode. Signed-off-by: Alyssa Rosenzweig <[email protected]>
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