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* st/mesa: revalidate image atoms when a texture is updatedIlia Mirkin2016-06-071-6/+6
| | | | | | | | | | A texture may be redefined with _NEW_TEXTURE, which might have been bound to a shader image slot. We have to revalidate the image atoms to pick up on the new resource. Signed-off-by: Ilia Mirkin <[email protected]> Reviewed-by: Nicolai Hähnle <[email protected]> Cc: "12.0" <[email protected]>
* i965/gen8: fix cull distance emission for tessellation shaders.Dave Airlie2016-06-071-3/+5
| | | | | | | | | | This fixes some cases of: GL45-CTS.cull_distance.functional on Skylake. Reviewed-by: Chris Forbes <[email protected]> Cc: "12.0" <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
* st/mesa: expose GL_ARB_shader_group_vote when supported by backendIlia Mirkin2016-06-062-4/+11
| | | | | Signed-off-by: Ilia Mirkin <[email protected]> Reviewed-by: Dave Airlie <[email protected]>
* mesa: hook up core bits of GL_ARB_shader_group_voteIlia Mirkin2016-06-065-0/+14
| | | | | | Signed-off-by: Ilia Mirkin <[email protected]> Reviewed-by: Ian Romanick <[email protected]> Reviewed-by: Dave Airlie <[email protected]>
* st/mesa: change SQRT lowering to fix the game RisenMarek Olšák2016-06-061-7/+9
| | | | | | | Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=94627 (against nouveau) Acked-by: Ilia Mirkin <[email protected]>
* mesa/program_resource: return -1 for index if no location.Dave Airlie2016-06-071-3/+16
| | | | | | | | | | | | | | | | | The GL4.5 spec quote seems clear on this: "The value -1 will be returned by either command if an error occurs, if name does not identify an active variable on programInterface, or if name identifies an active variable that does not have a valid location assigned, as described above." This fixes: GL45-CTS.program_interface_query.output-built-in [airlied: use _mesa_program_resource_location_index as suggested by Eduardo] Reviewed-by: Eduardo Lima Mitev <[email protected]> Cc: "12.0" <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
* st/mesa: fix resource leak in try_pbo_readpixelsNicolai Hähnle2016-06-061-1/+1
| | | | | | | Found by inspection after seeing https://bugs.freedesktop.org/show_bug.cgi?id=96343 Reviewed-by: Marek Olšák <[email protected]>
* st/mesa: check shader image format support before using PBO downloadIlia Mirkin2016-06-061-0/+6
| | | | | | | | | | | ARB_shader_image_load_store only requires a very fixed list of formats to be supported, while textures may be in all kinds of formats, like BGRA which are presently not supported on at least Kepler. Signed-off-by: Ilia Mirkin <[email protected]> Tested-by: Samuel Pitoiset <[email protected]> Reviewed-by: Nicolai Hähnle <[email protected]> Reviewed-by: Marek Olšák <[email protected]>
* i965/gs/scalar: Fix load input for doublesSamuel Iglesias Gonsálvez2016-06-061-18/+54
| | | | | | Signed-off-by: Samuel Iglesias Gonsálvez <[email protected]> Reviewed-by: Timothy Arceri <[email protected]> Cc: "12.0" <[email protected]>
* i965/fs: fix offset when loading double vector input varyingsSamuel Iglesias Gonsálvez2016-06-061-1/+21
| | | | | | | | | | | | | | | | | When we are not packing a double input varying, we might need to read its data in a non-aligned to 64-bit offset, so we read the wrong data. This is happening when using explicit locations in varyings because Mesa disables packing varying for that case. const_index is in 32-bit size units but offset() is multiplying it by destination type size units. When operating with double input varyings, const_index value could be not aligned to 64 bits. To fix it, we load the double vector as if it was a float based vector with twice the number of components. Signed-off-by: Samuel Iglesias Gonsálvez <[email protected]> Reviewed-by: Timothy Arceri <[email protected]> Cc: "12.0" <[email protected]>
* i965/fs: fix FS_OPCODE_CINTERP for unpacked double input varyingsSamuel Iglesias Gonsálvez2016-06-061-1/+12
| | | | | | | | | | | Data starts at suboffet 3 in 32-bit units (12 bytes), so it is not 64-bit aligned and the current implementation fails to read the data properly. Instead, when there is is a double input varying, read it as vector of floats with twice the number of components. Signed-off-by: Samuel Iglesias Gonsálvez <[email protected]> Reviewed-by: Timothy Arceri <[email protected]> Cc: "12.0" <[email protected]>
* i965: don't use NumLayers for 3D textures.Dave Airlie2016-06-061-1/+1
| | | | | | | | | | | | For 3D textures we shouldn't be using NumLayers, we need to get it from the depth. This fixes: GL45-CTS.geometry_shader.layered_framebuffer.clear_call_support Reviewed-by: Eduardo Lima Mitev <[email protected]> Cc: "12.0" <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
* mesa: Try to unbreak the MSVC build.Kenneth Graunke2016-06-052-0/+8
| | | | | | | PATH_MAX is apparently not a thing on Windows. Borrow the hack from pipe_loader.c to try and make this work. Signed-off-by: Kenneth Graunke <[email protected]>
* mesa: Add MESA_SHADER_CAPTURE_PATH for writing .shader_test files.Kenneth Graunke2016-06-053-0/+77
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This writes linked shader programs to .shader_test files to $MESA_SHADER_CAPTURE_PATH in the format used by shader-db (http://cgit.freedesktop.org/mesa/shader-db). It supports both GLSL shaders and ARB programs. All stages that are linked together are written in a single .shader_test file. This eliminates the need for shader-db's split-to-files.py, as Mesa produces the desired format directly. It's much more reliable than parsing stdout/stderr, as those may contain extraneous messages, or simply be closed by the application and unavailable. We have many similar features already, but this is a bit different: - MESA_GLSL=dump writes to stdout, not files. - MESA_GLSL=log writes each stage to separate files (rather than all linked shaders in one file), at draw time (not link time), with uniform data and state flag info. - Tapani's shader replacement mechanism (MESA_SHADER_DUMP_PATH and MESA_SHADER_READ_PATH) also uses separate files per shader stage, but allows reading in files to replace an app's shader code. v2: Dump ARB programs too, not just GLSL. v3: Don't dump bogus 0.shader_test file. v4: Add "GL_ARB_separate_shader_objects" to the [require] block. v5: Print "GLSL 4.00" instead of "GLSL 4.0" in the [require] block. v6: Don't hardcode /tmp/mesa. v7: Fix memoization of getenv(). v8: Also print "SSO ENABLED" (suggested by Timothy). v9: Also handle ES shaders (suggested by Ilia). v10: Guard against MESA_SHADER_CAPTURE_PATH being too long; add _mesa_warning calls on error handling (suggested by Ben). v11: Fix crash when variable is unset introduced in v10. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Matt Turner <[email protected]>
* mesa: Get rid of _mesa_active_fragment_shader_has_side_effectsJason Ekstrand2016-06-031-18/+0
| | | | | | | It is no longer used. Signed-off-by: Jason Ekstrand <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]>
* i965/ps_state: Use wm_prog_data.has_side_effectsJason Ekstrand2016-06-032-9/+6
| | | | | Signed-off-by: Jason Ekstrand <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]>
* i965/fs Add a wm_prog_data bit for has_side_effectsJason Ekstrand2016-06-032-0/+15
| | | | | | | | | | | This is more accurate than calling _mesa_active_fragment_shader_has_side_effects because it looks at whether or not the SSBOs, images, or atomic buffers are actually written rather than just existing in the program. Signed-off-by: Jason Ekstrand <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]> Cc: "12.0" <[email protected]>
* Revert "i965/fs: Allow scalar source regions on SNB math instructions."Francisco Jerez2016-06-033-7/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit c1107cec44ab030c7fcc97c67baa12df1cc9d7b5. Apparently the hardware spec text I quoted in the commit message was outright lying about scalar source math being supported on SNB, the hardware seems to load 32 contiguous bits of data for each channel regardless of the regioning mode. Fixes regressions in the following CTS tests (which we didn't catch early due to CTS being temporarily disabled in our CI system): es2-cts.gtf.gl.atan.atan_vec3_frag_xvary es2-cts.gtf.gl.cos.cos_vec2_frag_xvary es2-cts.gtf.gl.atan.atan_vec2_frag_xvary es2-cts.gtf.gl.pow.pow_vec2_frag_xvary_yconsthalf es2-cts.gtf.gl.cos.cos_float_frag_xvary es2-cts.gtf.gl.pow.pow_float_frag_xvary_yconsthalf es2-cts.gtf.gl.atan.atan_vec3_frag_xvaryyvary es2-cts.gtf.gl.pow.pow_vec3_frag_xvary_yconsthalf es2-cts.gtf.gl.cos.cos_vec3_frag_xvary es2-cts.gtf.gl.atan.atan_vec2_frag_xvaryyvary Cc: [email protected] Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=96346 Reported-by: Mark Janes <[email protected]> Acked-by: Matt Turner <[email protected]>
* i965/vec4: Fix cmod propagation not to propagate non-identity cmod into CMP(N).Francisco Jerez2016-06-031-0/+12
| | | | | | | | | | | | | | | | | | | | | | | | | The conditional mod of these instructions determines the semantics of the comparison itself (rather than being evaluated based on the result of the instruction as is usually the case for most other instructions that allow conditional mods), so it's in general not legal to propagate a conditional mod into a CMP instruction. This prevents cmod propagation from (mis)optimizing: cmp.z.f0 tmp, ... mov.z.f0 null, tmp into: cmp.z.f0 tmp, ... which gives the negation of the flag result of the original sequence. I originally noticed this while working on SIMD32 in the scalar back-end, but the same scenario is likely to be possible in vec4 programs so this commit ports the bugfix with the same name from the scalar back-end to the vec4 cmod propagation pass. Cc: [email protected] Reviewed-by: Jason Ekstrand <[email protected]>
* mesa/formatquery: expand NUM_SAMPLE_COUNTS OpenGL ES commentAlejandro Piñeiro2016-06-031-0/+3
| | | | | | | | | | | | | | | For ES 3.0 NUM_SAMPLE_COUNTS spec points that some formats will be always zero. But on ES 3.1 can be different to zero. The current code is correctly checking exactly against version 3.0, but the comment only mentions 3.0 spec. It is clearer mentioning both. v2: better wording on the comment (Ian Romanick) Acked-by: Eduardo Lima <[email protected]> Acked-by: Antia Puentes <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
* mesa/get: return correct value for layer provoking vertex.Dave Airlie2016-06-031-1/+1
| | | | | | | | | | | This fixes: GL45-CTS.geometry_shader.layered_rendering.layered_rendering on Skylake. Reviewed-by: Chris Forbes <[email protected]> Cc: "11.2 12.0" <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
* isl: add support for Android libmesa_isl static libraryMauro Rossi2016-06-021-1/+2
| | | | | | | | | | | | | | | | isl library is needed to build i965, libmesa_isl static library is added to fix related Android building errors. Any attempt to build libmesa_genxml as phony package module failed to deliver gen{7,75,8,9}_pack.h generated headers, needed for libmesa_isl_gen{7,75,8,9} Due to constraints in Android Build System, libmesa_genxml is built as static, at least one source is needed, so dummy.c is autogenerated for this scope, libmesa_genxml dependency is declared using LOCAL_WHOLE_STATIC_LIBRARIES, to avoid building errors due to missing genxml/gen{7,75,8,9}_pack.h headers. Cc: <[email protected]> Reviewed-by: Emil Velikov <[email protected]>
* i965: Add _NEW_POINT to a couple of comments.Kenneth Graunke2016-06-023-3/+3
| | | | | Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Iago Toral Quiroga <[email protected]>
* i965/fs: Reindent emit_zip().Francisco Jerez2016-06-021-14/+14
| | | | | Cc: [email protected] Reviewed-by: Jason Ekstrand <[email protected]>
* i965/fs: Skip SIMD lowering destination zipping if possible.Francisco Jerez2016-06-021-0/+55
| | | | | | | | | | | | | | | | | | Skipping the temporary allocation and copy instructions is easy (just return dst), but the conditions used to find out whether the copy can be optimized out safely without breaking the program are rather complex: The destination must be exactly one component of at most the execution width of the lowered instruction, and all source regions of the instruction must be either fully disjoint from the destination or be aligned with it group by group. v2: Don't handle partial source-destination overlap for simplicity (Jason). No instruction count regressions with respect to v1 in either shader-db or the few FP64 shader_runner test-cases with partial overlap I've checked manually. Cc: [email protected] Reviewed-by: Jason Ekstrand <[email protected]>
* blorp: Fix 16x multisample scaled blitsAnuj Phogat2016-06-021-7/+10
| | | | | | | | | Piglit test ext_framebuffer_multisample_blit_scaled-blit-scaled (with added 16x sample support) now passes with this patch. Cc: "12.0" <[email protected]> Signed-off-by: Anuj Phogat <[email protected]> Reviewed-by: Jason Ekstrand <[email protected]>
* meta: Fix indentation in shader codeAnuj Phogat2016-06-021-2/+2
| | | | | Signed-off-by: Anuj Phogat <[email protected]> Acked-by: Matt Turner <[email protected]>
* mesa/copyimage: report INVALID_VALUE for missing cube faceDave Airlie2016-06-031-1/+1
| | | | | | | | | | | | The specs says INVALID_VALUE for exceeding dimensions, which is really what is happening here. This fixes: GL45-CTS.copy_image.non_existent_mipmap Cc: "11.2 12.0" <[email protected]> Reviewed-by: Antia Puentes <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
* mesa/copyimage: fix num samples check to handle renderbuffers.Dave Airlie2016-06-031-4/+7
| | | | | | | | | | | | This test was only happening for textures, but there is nothing in the spec to say this, so test it for all cases. This fixes: GL45-CTS.copy_image.invalid_target Cc: "11.2 12.0" <[email protected]> Reviewed-by: Nicolai Hähnle <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
* i965: Add missing types to type_sz().Matt Turner2016-06-021-1/+5
| | | | | | | | Coverity warns in multiple places about the potential for division by zero, caused by this function's default case. Reviewed-by: Francisco Jerez <[email protected]> Reviewed-by: Jordan Justen <[email protected]>
* mesa/extensions: Fix ES1 extension reportingNanley Chery2016-06-021-2/+2
| | | | | | | | | | Commit eda15abd84af575d3bde432e2163e30d743a7c87 , unintentionally advertised these extensions in ES1 contexts. Undo this error. Signed-off-by: Nanley Chery <[email protected]> Reviewed-by: Ilia Mirkin <[email protected]> Reviewed-by: Ian Romanick <[email protected]> Cc: "12.0" <[email protected]>
* mesa/formatquery: add a comment to clarify INTERNALFORMAT_PREFERREDAlejandro Piñeiro2016-06-021-1/+4
| | | | | | | | | | | The comment clarifies that the driver is called only to try to get a preferred internalformat, and that it was already checked if the format is supported or not. Acked-by: Eduardo Lima <[email protected]> Acked-by: Antia Puentes <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
* i965/formatquery: remove INTERNALFORMAT_PREFERRED implementationAlejandro Piñeiro2016-06-021-71/+0
| | | | | | | | | | | | | Right now the implementation only checks if the internalformat is supported or not. But that implementation is wrong, returning unsupported for some internalformats. Additionally, checking if the internalformat is supported or not is already done at mesa/main before calling the driver hook, so this new check is not needed. Acked-by: Eduardo Lima <[email protected]> Acked-by: Antia Puentes <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
* i965/eu: use simd8 when exec_size != EXECUTE_16Alejandro Piñeiro2016-06-021-2/+2
| | | | | | | | | | Among other thigs, fix a gpu hang when using INTEL_DEBUG=shader_time for any shader. Signed-off-by: Jason Ekstrand <[email protected]> Signed-off-by: Alejandro Piñeiro <[email protected]> Reviewed-by: Francisco Jerez <[email protected]>
* i965: Remove old CS local ID handlingJordan Justen2016-06-016-120/+2
| | | | | | | | | | | | | The old method pushed data for each channels uvec3 data of gl_LocalInvocationID. The new method pushes 1 dword of data that is a 'thread local ID' value. Based on that value, we can generate gl_LocalInvocationIndex and gl_LocalInvocationID with some calculations. Cc: "12.0" <[email protected]> Signed-off-by: Jordan Justen <[email protected]> Reviewed-by: Jason Ekstrand <[email protected]>
* i965: Enable cross-thread constants and compact local IDs for hsw+Jordan Justen2016-06-013-14/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The cross thread constant support appears on Haswell. It allows us to upload a set of uniform data for all threads without duplicating it per thread. One complication is that cross-thread constants are loaded into registers before per-thread constants. Previously, our local IDs were loaded before the uniform data and treated as 'payload' data, even though they were actually pushed into the registers like the other uniform data. Therefore, in this patch we simultaneously enable a newer layout where each thread now uses a single uniform slot for a unique local ID for the thread. This uniform is handled specially to make sure it is added last into the uniform push constant registers. This minimizes our usage of push constant registers, and maximizes our ability to use cross-thread constants for registers. To swap from the old to the new layout, we also need to flip some lowering pass switches to let our driver handle the lowering instead. We also no longer force thread_local_id_index to -1. v4: * Minimize size of patch that switches from the old local ID layout to the new layout (Jason) Cc: "12.0" <[email protected]> Signed-off-by: Jordan Justen <[email protected]> Reviewed-by: Jason Ekstrand <[email protected]>
* i965: Support new local ID push constant & cross-thread constantsJordan Justen2016-06-012-45/+52
| | | | | | | | | | | | | | | | | The cross thread constant support appears on Haswell. It allows us to upload a set of uniform data for all threads without duplicating it per thread. We also support per-thread data which allows us to store a per-thread ID in one of the uniforms that can be used to calculate the gl_LocalInvocationIndex and gl_LocalInvocationID variables. v4: * Support the old local ID push constant layout as well (Jason) Cc: "12.0" <[email protected]> Signed-off-by: Jordan Justen <[email protected]> Reviewed-by: Jason Ekstrand <[email protected]>
* i965: Add CS push constant info to brw_cs_prog_dataJordan Justen2016-06-012-0/+73
| | | | | | | | | | | | | | | | | | | | | | | | | | We need information about push constants in a few places for the GL driver, and another couple places for the vulkan driver. When we add support for uploading both a common (cross-thread) set of push constants, combined with the previous per-thread push constant data, things are going to get even more complicated. To simplify things, we add push constant info into the cs prog_data struct. The cross-thread constant support is added as of Haswell. To support it we need to make sure all push constants with uniform values are added to earlier registers. The register that varies per thread and holds the thread invocation's unique local ID needs to be added last. For now we add the code that would calculate cross-thread constatn information for hsw+, but we force it (cross_thread_supported) off until the other parts of the driver support it. v4: * Support older local ID push constant layout as well. (Jason) Cc: "12.0" <[email protected]> Signed-off-by: Jordan Justen <[email protected]> Reviewed-by: Jason Ekstrand <[email protected]>
* i965: Store number of threads in brw_cs_prog_dataJordan Justen2016-06-013-25/+23
| | | | | | Cc: "12.0" <[email protected]> Signed-off-by: Jordan Justen <[email protected]> Reviewed-by: Jason Ekstrand <[email protected]>
* i965: Add nir based intrinsic lowering and thread ID uniformJordan Justen2016-06-014-0/+190
| | | | | | | | | | | | | | | | | | | | | | | | | We add a lowering pass for nir intrinsics. This pass can replace nir intrinsics with driver specific nir lower code. We lower the gl_LocalInvocationIndex intrinsic based on a uniform which is loaded with a thread specific ID. We also lower the gl_LocalInvocationID based on gl_LocalInvocationIndex. v2: * Create variable during lowering pass. (Ken) v3: * Don't create a variable, but instead just insert an intrisic call to load a uniform from the allocated location. (Jason) v4: * Don't run this pass if thread_local_id_index < 0 Cc: "12.0" <[email protected]> Signed-off-by: Jordan Justen <[email protected]> Reviewed-by: Jason Ekstrand <[email protected]>
* i965: Put CS local thread ID uniform in last push registerJordan Justen2016-06-011-1/+25
| | | | | | | | | | | | | | | | | | | | | | | | | | | This thread ID uniform will be used to compute the gl_LocalInvocationIndex and gl_LocalInvocationID values. It is important for this uniform to be added in the last push constant register. fs_visitor::assign_constant_locations is updated to make sure this happens. The reason this is important is that the cross-thread push constant registers are loaded first, and the per-thread push constant registers are loaded after that. (Broadwell adds another push constant upload mechanism which reverses this order, but we are ignoring this for now.) v2: * Add variable in intrinsics lowering pass * Make sure the ID is pushed last in assign_constant_locations, and that we save a spot for the ID in the push constants v3: * Simplify code based with Jason's suggestions. Cc: "12.0" <[email protected]> Signed-off-by: Jordan Justen <[email protected]> Reviewed-by: Jason Ekstrand <[email protected]>
* i965: Add uniform for a CS thread local base IDJordan Justen2016-06-013-1/+21
| | | | | | | | | | | | v4: * Force thread_local_id_index to -1 for now, and have fs_visitor::setup_cs_payload look at thread_local_id_index. This enables us to more easily cut over from the old local ID layout to the new layout, as suggested by Jason. Cc: "12.0" <[email protected]> Signed-off-by: Jordan Justen <[email protected]> Reviewed-by: Jason Ekstrand <[email protected]>
* i965: Add nir channel_num system valueJordan Justen2016-06-011-0/+15
| | | | | | | | | v2: * simd16/32 fixes (curro) Cc: "12.0" <[email protected]> Signed-off-by: Jordan Justen <[email protected]> Reviewed-by: Jason Ekstrand <[email protected]>
* nir: Make lowering gl_LocalInvocationIndex optionalJordan Justen2016-06-011-1/+2
| | | | | | Cc: "12.0" <[email protected]> Signed-off-by: Jordan Justen <[email protected]> Reviewed-by: Jason Ekstrand <[email protected]>
* glsl: Add glsl LowerCsDerivedVariables optionJordan Justen2016-06-013-0/+5
| | | | | | | | | | v2: * Move lower flag to context constants. (Ken) Cc: "12.0" <[email protected]> Signed-off-by: Jordan Justen <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]> (v1) Reviewed-by: Jason Ekstrand <[email protected]>
* i965/fs: Copy the offset when lowering logical pull constant sendsJason Ekstrand2016-06-011-0/+8
| | | | | | | | This fixes 64 Vulkan CTS tests per gen Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=96299 Reviewed-by: Francisco Jerez <[email protected]> Cc: "12.0" <[email protected]>
* i965: Fix isoline reads in scalar TES.Kenneth Graunke2016-06-011-1/+1
| | | | | | | | | | | | | Isolines aren't reversed. commit 5b2d8c2273c6f fixed this for the vec4 TES backend, but not the scalar one. Found while debugging GL45-CTS.tessellation_shader. tessellation_control_to_tessellation_evaluation.gl_tessLevel. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Dave Airlie <[email protected]> Reviewed-by: Iago Toral Quiroga <[email protected]> Cc: [email protected]
* st/mesa: implement PBO downloads for ReadPixelsNicolai Hähnle2016-06-013-3/+160
| | | | | | | | | v2: require PIPE_CAP_SAMPLER_VIEW_TARGET; technically only needed for some of the texture targets, but all hardware that has shader images should also have this cap. Reviewed-by: Brian Paul <[email protected]> Reviewed-by: Marek Olšák <[email protected]>
* st/mesa: hook up a no-op try_pbo_readpixelsNicolai Hähnle2016-06-011-20/+37
| | | | | | | | For better bisectability given that the order of some of the fallback tests in the blit path are rearranged. Reviewed-by: Brian Paul <[email protected]> Reviewed-by: Marek Olšák <[email protected]>
* st/mesa: add layer_offset to PBO fragment shaderNicolai Hähnle2016-06-012-4/+16
| | | | | | | | | This will be used to select a slice of a 3D texture. v2: fix a comment (Marek) Reviewed-by: Brian Paul <[email protected]> Reviewed-by: Marek Olšák <[email protected]>
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