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* swrast: Enable GL_ARB_texture_compression_bptcNeil Roberts2014-08-121-0/+1
| | | | | | Enables BPTC texture compression on the software rasterizer. Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
* mesa/main: Modify generate_mipmap_compressed to cope with float texturesNeil Roberts2014-08-121-5/+8
| | | | | | | | | Once we add BPTC texture support we will need to generate mipmaps for compressed floating point textures too. Most of the code seems to already be there but it just needs a few extra lines to get it to use GL_FLOAT instead of GL_UNSIGNED_BYTE as the type for the temporary buffers. Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
* mesa: Add texstore functions for BPTC-compressed texturesNeil Roberts2014-08-123-0/+709
| | | | | | | | | | | | | | | | | | | | | | This adds compressors for all four of the BPTC compressed-texture formats. The compressor is written from scratch and takes a very simple approach. It always uses a single mode of the BPTC format (4 for unorm and 3 for half-floats) and picks the two endpoints by dividing the texels into those which have more or less than the average luminance of the block and then calculating an average color of the texels within each division. It's probably not really sensible to try to use BPTC compression at runtime because for example with the Nvidia offline compression tool it can take in the order of an hour to compress a full-screen image. With that in mind I don't think it's worth having a proper compressor in Mesa and this approach gives reasonable results for a usage that is basically a corner case. v2: Always use the custom compressor, even for the unorm formats. Fix the quantization step for the half-float format compressor. Fixed a typo which was breaking the right-hand edge of half-float textures with a width that isn't a multiple of four. Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
* mesa: Add texel fetch functions for BPTC-compressed texturesNeil Roberts2014-08-123-0/+1000
| | | | | | | | | | Adds functions to fetch from any of the four BPTC-compressed formats. v2: Set the alpha component to 1.0 when fetching from the half-float formats instead of leaving it uninitialised. Don't linearize the alpha component when fetching from sRGB. Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
* mesa: Add the format enums for BPTC-compressed imagesNeil Roberts2014-08-127-0/+88
| | | | | | | | | | | | | | | | | | This adds the following four Mesa image format enums which correspond to the four BPTC compressed texture formats: MESA_FORMAT_BPTC_RGBA_UNORM MESA_FORMAT_BPTC_SRGB_ALPHA_UNORM MESA_FORMAT_BPTC_RGB_SIGNED_FLOAT MESA_FORMAT_BPTC_RGB_UNSIGNED_FLOAT It also updates the format information functions to handle these and the corresponding GL enums. v2: Also modify _mesa_get_format_color_encoding, _mesa_get_srgb_format_linear and _mesa_get_uncompressed_format Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
* mesa/format_info: Add support for the BPTC layoutNeil Roberts2014-08-121-0/+3
| | | | | | | | | | | | | | | | | | Adds the ‘bptc’ layout to get_channel_bits. The channel bits for BPTC depend on the mode but as it only has to be an approximation this sets it to 8 for the two UNORM formats and 16 for the two half-float formats. These represent the minimum number of bits of variation that can be generated by the interpolation of the two formats. This doesn't quite match what we do for S3TC which only returns 4 even though it can similarly generate 8 bits from the interpolation. However it does match what we return for ETC2. For reference, NVidia seems to return 8 bits for the UNORM formats and 32 bits for the half-float formats. v2: Change the number of bits to 8/8/8/8 for the UNORM formats and 16/16/16 for the half-float formats. Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
* mesa/format_info: Add support for compressed floating-point formatsNeil Roberts2014-08-121-1/+3
| | | | | | | | | If the name of a compressed texture format has ‘FLOAT’ in it it will now set the data type of the format to GL_FLOAT. This will be needed for the BPTC half-float formats. Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com> Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
* mesa: Fix the base format for GL_COMPRESSED_RGB_BPTC_*_FLOAT_ARBNeil Roberts2014-08-121-2/+2
| | | | | | | | The signed and unsigned half-float BPTC-compressed formats were being reported as having a base format of GL_RGBA but they don't store an alpha channel so it should be GL_RGB. Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
* mesa: Add the GL_ARB_texture_compression_bptc extensionNeil Roberts2014-08-122-0/+2
| | | | | | | This adds a boolean in the gl_extensions struct for GL_ARB_texture_compression_bptc as well as an entry in extension_table. Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
* mesa: return version 0 if the computed core profile version is too lowMarek Olšák2014-08-111-2/+7
| | | | Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
* mesa: add _mesa_get_version, a ctx-independent variant of _mesa_compute_versionMarek Olšák2014-08-112-126/+152
| | | | | Reviewed-by: Ian Romanick <ian.d.romanick@intel.com> Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
* mesa: add a context-independent variant of _mesa_override_gl_versionMarek Olšák2014-08-112-10/+23
| | | | | | | v2: changed GLboolean -> bool Reviewed-by: Ian Romanick <ian.d.romanick@intel.com> Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
* mesa: make _mesa_init_constants context-independent and publicMarek Olšák2014-08-112-101/+104
| | | | | Reviewed-by: Ian Romanick <ian.d.romanick@intel.com> Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
* mesa: make _mesa_init_extensions context-independentMarek Olšák2014-08-113-6/+6
| | | | | Reviewed-by: Ian Romanick <ian.d.romanick@intel.com> Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
* mesa: move ShaderCompilerOptions into gl_constantsMarek Olšák2014-08-114-6/+6
| | | | | Reviewed-by: Ian Romanick <ian.d.romanick@intel.com> Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
* mesa: make _mesa_override_glsl_version context-independentMarek Olšák2014-08-113-4/+5
| | | | | Reviewed-by: Ian Romanick <ian.d.romanick@intel.com> Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
* mesa: add helper _mesa_is_format_etc2Marek Olšák2014-08-112-0/+28
| | | | | | | v2: renamed GLboolean -> bool Reviewed-by: Glenn Kennard <glenn.kennard@gmail.com> Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
* mesa: add missing GLAPIENTRY in copyimage.cBrian Paul2014-08-111-1/+1
| | | | Fixes MinGW build. Trivial.
* mesa: Add GL API support for ARB_copy_imageJason Ekstrand2014-08-118-20/+445
| | | | | | | | | | | | | | | | | This adds the API entrypoint, error checking logic, and a driver hook for the ARB_copy_image extension. v2: Fix a typo in ARB_copy_image.xml and add it to the makefile v3: Put ARB_copy_image.xml in the right place alphebetically in the makefile and properly prefix the commit message v4: Fixed some line wrapping and added a check for null v5: Check for incomplete renderbuffers Signed-off-by: Jason Ekstrand <jason.ekstrand@intel.com> Reviewed-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com> Reviewed-by: Neil Roberts <neil@linux.intel.com> v6: Update dispatch_sanity for the addition of CopyImageSubData
* mesa: simplify _mesa_update_draw_buffers()Brian Paul2014-08-111-7/+2
| | | | | | | There's no need to copy the array of DrawBuffer enums to a temp array. Reviewed-by: Ian Romanick <ian.d.romanick@intel.com> Reviewed-by: Roland Scheidegger <sroland@vmware.com>
* mesa: fix assertion in _mesa_drawbuffers()Brian Paul2014-08-111-2/+3
| | | | | | | | | | Fixes failed assertion when _mesa_update_draw_buffers() was called with GL_DRAW_BUFFER == GL_FRONT_AND_BACK. The piglit gl30basic hit this. Cc: "10.2" <mesa-stable@lists.freedesktop.org> Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
* mesa: use PRId64 for printing 64-bit intsBrian Paul2014-08-112-21/+25
| | | | | | | | | | | Silences MinGW warnings: warning: unknown conversion type character ‘l’ in format [-Wformat] warning: too many arguments for format [-Wformat-extra-args] v2: use signed types/formats Reviewed-by: Ian Romanick <ian.d.romanick@intel.com> Reviewed-by: Roland Scheidegger <sroland@vmware.com>
* mesa: define and use ALL_TYPE_BITS in varray.c codeBrian Paul2014-08-111-16/+17
| | | | | Reviewed-by: Ian Romanick <ian.d.romanick@intel.com> Reviewed-by: Roland Scheidegger <sroland@vmware.com>
* mesa: add comment that GL_CLIP_DISTANCE0 == GL_CLIP_PLANE0 in enable.cBrian Paul2014-08-111-2/+2
| | | | | Reviewed-by: Ian Romanick <ian.d.romanick@intel.com> Reviewed-by: Roland Scheidegger <sroland@vmware.com>
* 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 <ian.d.romanick@intel.com> Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
* mesa: Fold _mesa_uniform_split_location_offset into its only callerIan Romanick2014-08-072-22/+6
| | | | | Signed-off-by: Ian Romanick <ian.d.romanick@intel.com> Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
* mesa: Use MAX2 to calculate maximum uniform elementIan Romanick2014-08-071-3/+1
| | | | | Signed-off-by: Ian Romanick <ian.d.romanick@intel.com> Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
* 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 <ian.d.romanick@intel.com> Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
* mesa: Drop USE_IEEE define.Matt Turner2014-08-073-43/+4
| | | | | | | | | | | | | I think OpenVMS was the only platform that Mesa ran on that used a non-IEEE representation for floats. We removed OpenVMS support a while back, and this should alleviate the need to continue updating the this-platform-uses-IEEE list. The one bit of this patch that needs review is the IS_INF_OR_NAN, because I'm not sure if MSVC supports isfinite. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=82268 Reviewed-by: Brian Paul <brianp@vmware.com>
* mesa: Group gl_system_value values by the stage where they existIan Romanick2014-08-071-7/+25
| | | | | | Signed-off-by: Ian Romanick <ian.d.romanick@intel.com> Reviewed-by: Marek Olšák <marek.olsak@amd.com> Reviewed-by: Roland Scheidegger <sroland@vmware.com>
* mesa/formats: Fix the size of ETC2_SRGB8_PUNCHTHROUGH_ALPHA1Jason Ekstrand2014-08-061-1/+1
| | | | | Signed-off-by: Jason Ekstrand <jason.ekstrand@intel.com> Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
* mesa/formats: Use the correct swizzle parameter for the 11-bit EAC formatsJason Ekstrand2014-08-061-4/+4
| | | | | | | Red-only formats should be x001 and RG formats should be xy01. Signed-off-by: Jason Ekstrand <jason.ekstrand@intel.com> Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
* mesa include stdint.h in formats.hBrian Paul2014-08-051-0/+1
| | | | | To get uint8_t type, to fix MSVC build. Trivial.
* mesa/texstore: Add a generic rgba integer texture upload pathJason Ekstrand2014-08-051-479/+73
| | | | | | | | | | Again, we delete a lot of functions that aren't really doing anything interesting anymore. v2: Comment the texstore_rgba_integer function Signed-off-by: Jason Ekstrand <jason.ekstrand@intel.com> Reviewed-by: Brian Paul <brianp@vmware.com>
* mesa/texstore: Add a generic float/normalized rgba texture upload pathJason Ekstrand2014-08-051-1906/+98
| | | | | | | | | | This commit also removes a bunch of functions which aren't doing anything more interesting than the general path does. v2: Better comment the texstore_via_float function Signed-off-by: Jason Ekstrand <jason.ekstrand@intel.com> Reviewed-by: Brian Paul <brianp@vmware.com>
* mesa/texstore: Use _mesa_swizzle_and_convert when possibleJason Ekstrand2014-08-051-15/+171
| | | | | | | | | | This should be both faster and more accurate than our general slow-path of converting everything to float. v2: Add a comment to top of the texstore_swizzle function Signed-off-by: Jason Ekstrand <jason.ekstrand@intel.com> Reviewed-by: Brian Paul <brianp@vmware.com>
* main/texstore: Split texture storage into three functionsJason Ekstrand2014-08-051-71/+100
| | | | | | | | | | | | This commit splits the texture storage into three functions: texstore_depth_stencil, texstore_compressed, and texstore_rgba. Right now this split seems artificial since we just have one function pointer per format and there is no difference between these three categories. However, this split makes it much easier to write a more general function upload path for one of these categories than the current function pointers. Signed-off-by: Jason Ekstrand <jason.ekstrand@intel.com> Reviewed-by: Brian Paul <brianp@vmware.com>
* mesa/format_utils: Add a function to convert a mesa_format to an array formatJason Ekstrand2014-08-052-0/+111
| | | | | | | | | | | | | This commits adds the _mesa_format_to_array function that determines if the given format can be represented as an array format and computes the array format parameters. This is a direct helper function for using _mesa_swizzle_and_convert v2: Better documentation and commit message v3: Fixed a potential segfault from an invalid endianness swizzle Signed-off-by: Jason Ekstrand <jason.ekstrand@intel.com> Reviewed-by: Brian Paul <brianp@vmware.com>
* mesa/format_utils: Add a general format conversion functionJason Ekstrand2014-08-052-0/+911
| | | | | | | | | | | | | | | | | | Most format conversion operations required by GL can be performed by converting one channel at a time, shuffling the channels around, and optionally filling missing channels with zeros and ones. This adds a function to do just that in a general, yet efficient, way. v2: * Add better comments including full docs for functions * Don't use __typeof__ * Use inline helpers instead of writing out conversions by hand, * Force full loop unrolling for better performance v3: Add another set of parens around the MAX_INT macro Signed-off-by: Jason Ekstrand <jason.ekstrand@intel.com> Reviewed-by: Brian Paul <brianp@vmware.com>
* mesa/imports: Add a _mesa_half_is_negative helper functionJason Ekstrand2014-08-051-0/+5
| | | | | Signed-off-by: Jason Ekstrand <jason.ekstrand@intel.com> Reviewed-by: Brian Paul <brianp@vmware.com>
* mesa/formats: Add layout and swizzle informationJason Ekstrand2014-08-053-0/+86
| | | | | | | v2: Move the MESA_FORMAT_SWIZZLE enum to the top of the file Signed-off-by: Jason Ekstrand <jason.ekstrand@intel.com> Reviewed-by: Brian Paul <brianp@vmware.com>
* mesa/formats: Remove IndexBitsJason Ekstrand2014-08-052-3/+2
| | | | | | | | Mesa hasn't supported color-indexed textures for some time. This is 0 for all texture formats, so we don't need to store it. Signed-off-by: Jason Ekstrand <jason.ekstrand@intel.com> Reviewed-by: Brian Paul <brianp@vmware.com>
* mesa/formats: Autogenerate the format_info structure from a CSV fileJason Ekstrand2014-08-052-1738/+2
| | | | | | | | | | | | | | | Instead of a having all of the format metadata in a gigantic hard-to-edit array of type struct format_info, we now have a human-readable CSV file. The CSV file also contains more format information than the format_info struct contained so we can potentially make format_info more detailed later. The python to generate the format information was added the previous commit. This commit turns it on in both automake and scons builds. v2: Split into two commits and stuff to generate format_info.c from scons Signed-off-by: Jason Ekstrand <jason.ekstrand@intel.com> Reviewed-by: Brian Paul <brianp@vmware.com>
* mesa/main: Add python code to generate the format_info structureJason Ekstrand2014-08-051-0/+181
| | | | | | | | This adds a python script called format_info.py that is used to generate a single format_info.c file that contains the filled-out format_info array. Signed-off-by: Jason Ekstrand <jason.ekstrand@intel.com> Reviewed-by: Brian Paul <brianp@vmware.com>
* mesa: Add python to parse the formats CSV fileJason Ekstrand2014-08-051-0/+521
| | | | | | | | | | | | | | | The basic concept for the format parser was taken from the format CSV parser in gallium/auxilliary/util. However, this one has been altered in a number of ways: * Removed big endian vs. little endian stuff (mesa doesn't need it) * Better documentation: Almost every method has a full docstring * An actual Swizzle class with methods for composition and inverses * Over-all cleaner (in my opinion) implementation and class interactions * A few bug fixes Signed-off-by: Jason Ekstrand <jason.ekstrand@intel.com> Reviewed-by: Brian Paul <brianp@vmware.com>
* mesa: Add a format description CSV fileJason Ekstrand2014-08-051-0/+282
| | | | | Signed-off-by: Jason Ekstrand <jason.ekstrand@intel.com> Reviewed-by: Brian Paul <brianp@vmware.com>
* mesa: make vertex array type error checking a little more efficientBrian Paul2014-08-052-30/+59
| | | | | | | Compute the bitmask of supported array types once instead of every time we call a GL vertex array function. Reviewed-by: Matthew McClure <mcclurem@vmware.com>
* mesa: Allow GL_TEXTURE_CUBE_MAP target with compressed internal formatsAnuj Phogat2014-08-041-0/+1
| | | | | | | | | GL_TEXTURE_CUBE_MAP is an allowed texture target in glTexStorage2D() and is allowed to be used (like GL_TEXTURE_2D) with compressed internal formats. Cc: <mesa-stable@lists.freedesktop.org> Reviewed-by: Marek Olšák <marek.olsak@amd.com>
* mesa: Add gles3 condition for normalized internal formats in glCopyTexImage*()Anuj Phogat2014-08-041-0/+15
| | | | | | | | Fixes many failures in gles3 Khronos CTS test: packed_pixels Cc: <mesa-stable@lists.freedesktop.org> Signed-off-by: Anuj Phogat <anuj.phogat@gmail.com> Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
* mesa: Add utility function _mesa_is_enum_format_unorm()Anuj Phogat2014-08-042-0/+74
| | | | | | | | V2: Add missing formats. Cc: <mesa-stable@lists.freedesktop.org> Signed-off-by: Anuj Phogat <anuj.phogat@gmail.com> Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
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