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* mesa: add GL_OES_shader_multisample_interpolation supportIlia Mirkin2016-03-308-10/+28
| | | | | | Signed-off-by: Ilia Mirkin <[email protected]> Reviewed-by: Dave Airlie <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
* mesa: add GL_OES_sample_shading supportIlia Mirkin2016-03-305-3/+14
| | | | | | Signed-off-by: Ilia Mirkin <[email protected]> Reviewed-by: Dave Airlie <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
* glsl: add GL_OES_sample_variables supportIlia Mirkin2016-03-304-4/+16
| | | | | | Signed-off-by: Ilia Mirkin <[email protected]> Reviewed-by: Dave Airlie <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
* mesa: add OES_sample_variables to extension table, add enable bitIlia Mirkin2016-03-302-0/+2
| | | | | | Signed-off-by: Ilia Mirkin <[email protected]> Reviewed-by: Dave Airlie <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
* glsl: add gl_MaxSamples, new in GL 4.5 / GL ES 3.2Ilia Mirkin2016-03-303-0/+9
| | | | | | Signed-off-by: Ilia Mirkin <[email protected]> Reviewed-by: Dave Airlie <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
* i965: Don't add barrier deps for FB write messages.Matt Turner2016-03-301-1/+2
| | | | | | | Ken did this earlier, and this is just me reimplementing his patch a little differently. Reviewed-by: Francisco Jerez <[email protected]>
* i965: Add and use is_scheduling_barrier() function.Matt Turner2016-03-301-4/+17
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* i965: Remove NOP insertion kludge in scheduler.Matt Turner2016-03-301-20/+5
| | | | | | | | | | | Instead of removing every instruction in add_insts_from_block(), just move the instruction to its scheduled location. This is a step towards doing both bottom-up and top-down scheduling without conflicts. Note that this patch changes cycle counts for programs because it begins including control flow instructions in the estimates. Reviewed-by: Francisco Jerez <[email protected]>
* i965: Assert that an instruction is not inserted around itself.Matt Turner2016-03-301-0/+4
| | | | Reviewed-by: Francisco Jerez <[email protected]>
* i965: Relax restriction on scheduling last instruction.Matt Turner2016-03-301-20/+3
| | | | | | | | | | | | | | | | | | | | | | I think when this code was written, basic blocks were always ended by a control flow instruction or an end-of-thread message. That's no longer the case, and removing this restriction actually helps things: instructions in affected programs: 7267 -> 7244 (-0.32%) helped: 4 total cycles in shared programs: 66559580 -> 66431900 (-0.19%) cycles in affected programs: 28310152 -> 28182472 (-0.45%) helped: 9577 HURT: 879 GAINED: 2 The addition of the is_control_flow() checks is not a functional change, since the add_insts_from_block() does not put them in the list of instructions to schedule. I plan to change this in a later patch. Reviewed-by: Francisco Jerez <[email protected]>
* i965/vec4/tcs: Set conditional mod on TCS_OPCODE_SRC0_010_IS_ZERO.Matt Turner2016-03-302-2/+3
| | | | | | | | | | | | | | | | | | Missing this causes an assertion failure in the scheduler with the next patch. Additionally, this gives cmod propagation enough information to optimize code better. total instructions in shared programs: 7112991 -> 7112852 (-0.00%) instructions in affected programs: 25704 -> 25565 (-0.54%) helped: 139 total cycles in shared programs: 64812898 -> 64810674 (-0.00%) cycles in affected programs: 127224 -> 125000 (-1.75%) helped: 139 Acked-by: Francisco Jerez <[email protected]>
* Revert "i965: Don't add barrier deps for FB write messages."Matt Turner2016-03-301-4/+3
| | | | | | | | | | | | | | This reverts commit d0e1d6b7e27bf5f05436e47080d326d7daa63af2. The change in the vec4 code is a mistake -- there's never an FS_OPCODE_FB_WRITE in vec4 code. The change in the fs code had the (harmless) effect of not recognizing an FB_WRITE as a scheduling barrier even if it was marked EOT -- harmless because the scheduler marked the last instruction of a block as a barrier, something I'm changing in the following patches. This will be reimplemented later in the series.
* i965: Simplify full scheduling-barrier conditions.Matt Turner2016-03-301-27/+8
| | | | | | | All of these were simply code for "architecture register file" (and in the case of destinations, "not the null register"). Reviewed-by: Francisco Jerez <[email protected]>
* i965: Remove incorrect cycle estimates.Matt Turner2016-03-301-10/+0
| | | | | | | | These printed the cycle count the last basic block (sched.time is set per basic block!). We have accurate, full program, data printed elsewhere. Reviewed-by: Francisco Jerez <[email protected]>
* st/mesa: fix fallout from xfb changes.Dave Airlie2016-03-311-2/+2
| | | | | | | Failed to update state tracker with new buffer interface. Reviewed-by: Timothy Arceri <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
* nir: Fix typo from commit 6702f1acde9.Matt Turner2016-03-301-1/+1
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* docs: mark xfb_* qualifiers as DONETimothy Arceri2016-03-311-1/+1
| | | | Reviewed-by: Dave Airlie <[email protected]>
* mesa: add query support for GL_TRANSFORM_FEEDBACK_BUFFER interfaceTimothy Arceri2016-03-314-2/+52
| | | | Reviewed-by: Dave Airlie <[email protected]>
* glsl: add transform feedback buffers to resource listTimothy Arceri2016-03-315-5/+18
| | | | Reviewed-by: Dave Airlie <[email protected]>
* mesa: add support to query GL_TRANSFORM_FEEDBACK_BUFFER_INDEXTimothy Arceri2016-03-314-8/+18
| | | | Reviewed-by: Dave Airlie <[email protected]>
* mesa: add support to query GL_OFFSET for GL_TRANSFORM_FEEDBACK_VARYINGTimothy Arceri2016-03-313-3/+13
| | | | Reviewed-by: Dave Airlie <[email protected]>
* mesa: rename tranform feeback varying macro XFB to XFVTimothy Arceri2016-03-311-6/+6
| | | | | | A latter patch will use XFB for buffers. Reviewed-by: Dave Airlie <[email protected]>
* glsl: always enable transform feedback mode when xfb_stride definedTimothy Arceri2016-03-311-0/+10
| | | | | | | | | | | | | | | | | | This enables in shader defined transform feedback mode even if the only place xfb_stride is defined is on the global out. We don't worry about xfb_buffer since Issue 22 c) in the spec says: "If the shader has an "xfb_buffer" qualifier identifying a buffer, but doesn't declare "xfb_offset" on anything associated with it, what happens? ... variables not qualified with "xfb_offset" are not captured, which makes the associated "xfb_buffer" qualifier irrelevant." Reviewed-by: Dave Airlie <[email protected]>
* glsl: handle varyings that are not written to but have an xfb_offsetTimothy Arceri2016-03-312-10/+32
| | | | Reviewed-by: Dave Airlie <[email protected]>
* glsl: when lowering named interface set assigned flagTimothy Arceri2016-03-311-0/+11
| | | | | | | This will be used when checking if xfb should attempt to capture a varying. Reviewed-by: Dave Airlie <[email protected]>
* glsl: reset current stream trackerTimothy Arceri2016-03-311-0/+6
| | | | | | | | When we move to the next buffer we need to reset the stream so that we don't generate an error message about streams not matching. Reviewed-by: Dave Airlie <[email protected]>
* glsl: generate link error when implicit stride is to largeTimothy Arceri2016-03-311-15/+22
| | | | | | | This moves the check until after we have done the stride calculation and applies it to the xfb_* qualifiers. Reviewed-by: Dave Airlie <[email protected]>
* glsl: add xfb_stride link time validationTimothy Arceri2016-03-312-8/+39
| | | | | | | | | | | | | | | | From the ARB_enhanced_layous spec: "It is a compile-time or link-time error to have any *xfb_offset* that overflows *xfb_stride*, whether stated on declarations before or after the *xfb_stride*, or in different compilation units. ... When no *xfb_stride* is specified for a buffer, the stride of a buffer will be the smallest needed to hold the variable placed at the highest offset, including any required padding." Reviewed-by: Dave Airlie <[email protected]>
* glsl: validate global out xfb_stride qualifiers and set stride on empty buffersTimothy Arceri2016-03-314-0/+94
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Here we use the built-in validation in ast_layout_expression::process_qualifier_constant() to check for mismatching global out strides on buffers in a single shader. From the ARB_enhanced_layouts spec: "While *xfb_stride* can be declared multiple times for the same buffer, it is a compile-time or link-time error to have different values specified for the stride for the same buffer." For intrastage validation a new helper link_xfb_stride_layout_qualifiers() is created. We also take this opportunity to make sure stride is at least a multiple of 4, we will validate doubles at a later stage. From the ARB_enhanced_layouts spec: "If the buffer is capturing any double-typed outputs, the stride must be a multiple of 8, otherwise it must be a multiple of 4, or a compile-time or link-time error results." Finally we update store_tfeedback_info() to apply the strides to LinkedTransformFeedback and update the buffers bitmask to mark any global buffers with a stride as active. For example a shader with: layout (xfb_buffer = 0, xfb_offset = 0) out vec4 gs_fs; layout (xfb_buffer = 1, xfb_stride = 64) out; Is expected to have a buffer bound to both 0 and 1. From the ARB_enhanced_layouts spec: "A binding point requires a bound buffer object if and only if its associated stride in the program object used for transform feedback primitive capture is non-zero." Reviewed-by: Dave Airlie <[email protected]>
* mesa: split transform feedback buffer into its own structTimothy Arceri2016-03-317-25/+34
| | | | | | | This will be used in a following patch to implement interface query support for TRANSFORM_FEEDBACK_BUFFER. Reviewed-by: Dave Airlie <[email protected]>
* glsl: use bitmask of active xfb buffer indicesTimothy Arceri2016-03-315-24/+33
| | | | | | | | | | | | | This allows us to print the correct binding point when not all buffers declared in the shader are bound. For example if we use a single buffer: layout(xfb_buffer=2, offset=0) out vec4 v; We now print '2' when the buffer is not bound rather than '0'. Reviewed-by: Dave Airlie <[email protected]>
* glsl: sort xfb varyings in offset/buffer orderTimothy Arceri2016-03-311-0/+19
| | | | | | | The existing transform feedback code expects to receive the list of varyings in increasing buffer order. Reviewed-by: Dave Airlie <[email protected]>
* glsl: basic linking support for xfb qualifiersTimothy Arceri2016-03-313-13/+52
| | | | | | | This adds the initial infrastructure for enabling transform feedback mode via in shader qualifiers and adds initial buffer support. Reviewed-by: Dave Airlie <[email protected]>
* glsl: add xfb helpers and fields to the tfeedback_decl classTimothy Arceri2016-03-312-2/+30
| | | | | | We also apply any array/struct offsets. Reviewed-by: Dave Airlie <[email protected]>
* glsl: add helper to process xfb qualifiers during linkingTimothy Arceri2016-03-312-0/+71
| | | | | | | | | | | | This function checks for any xfb_* qualifiers which will enable transform feedback mode and cause any API defined xfb varyings to be ignored. It also counts the number of varyings that have a xfb_offset qualifier and finally it calls the create_xfb_varying_names() helper to generate the names of varyings to be caputured. Reviewed-by: Dave Airlie <[email protected]>
* glsl: add helper to generate xfb varying namesTimothy Arceri2016-03-311-0/+43
| | | | Reviewed-by: Dave Airlie <[email protected]>
* glsl: add helper for counting varyingsTimothy Arceri2016-03-312-0/+38
| | | | | | | This will be used to get a count of the number of varying name strings we are required to generate for use with the query api. Reviewed-by: Dave Airlie <[email protected]>
* glsl: add xfb qualifier lowering support for named blocksTimothy Arceri2016-03-311-0/+7
| | | | Reviewed-by: Dave Airlie <[email protected]>
* glsl: add xfb qualifiers to has_layout helperTimothy Arceri2016-03-311-1/+4
| | | | Reviewed-by: Dave Airlie <[email protected]>
* glsl: apply xfb_stride to implicit offsets for ifc block membersTimothy Arceri2016-03-311-2/+4
| | | | | | | | | | | | | | | When we have an interface block like: layout (xfb_buffer = 0, xfb_offset = 0) out Block { vec4 var1; layout (xfb_stride = 32) vec4 var2; vec4 var3; }; We take into account the stride of var2 when calculating the offset for var3. Reviewed-by: Dave Airlie <[email protected]>
* glsl: add xfb_stride compile time rulesTimothy Arceri2016-03-311-0/+27
| | | | | | | | | | | | | | | | | | | | | From the ARB_enhanced_layouts spec: "The *xfb_stride* qualifier specifies how many bytes are consumed by each captured vertex. It applies to the transform feedback buffer for that declaration, whether it is inherited or explicitly declared. It can be applied to variables, blocks, block members, or just the qualifier out. If the buffer is capturing any double-typed outputs, the stride must be a multiple of 8, otherwise it must be a multiple of 4, or a compile-time or link-time error results. ... The resulting stride (implicit or explicit) must be less than or equal to the implementation-dependent constant gl_MaxTransformFeedbackInterleavedComponents." Reviewed-by: Dave Airlie <[email protected]>
* glsl: add xfb_offset compile time rulesTimothy Arceri2016-03-311-2/+123
| | | | | | We also copy the qualifier values to the IR in this step. Reviewed-by: Dave Airlie <[email protected]>
* glsl: add xfb_buffer compile time rulesTimothy Arceri2016-03-311-0/+66
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Also copies the qualifier values to GLSL IR. From the ARB_enhanced_layouts spec: "The *xfb_buffer* qualifier can be applied to the qualifier out, to output variables, to output blocks, and to output block members. Shaders in the transform feedback capturing mode have an initial global default of layout(xfb_buffer = 0) out; This default can be changed by declaring a different buffer with xfb_buffer on the interface qualifier out. This is the only way the global default can be changed. When a variable or output block is declared without an xfb_buffer qualifier, it inherits the global default buffer. When a variable or output block is declared with an xfb_buffer qualifier, it has that declared buffer. All members of a block inherit the block's buffer. A member is allowed to declare an xfb_buffer, but it must match the buffer inherited from its block, or a compile-time error results. The *xfb_buffer* qualifier follows the same conventions, behavior, defaults, and inheritance rules as the qualifier stream, and the examples for stream apply here as well. This includes a block's inheritance of the current global default buffer, a block member's inheritance of the block's buffer, and the requirement that any *xfb_buffer* declared on a block member must match the buffer inherited from the block. ... It is a compile-time error to specify an *xfb_buffer* that is greater than the implementation-dependent constant gl_MaxTransformFeedbackBuffers." Reviewed-by: Dave Airlie <[email protected]>
* glsl: add field to track if xfb_buffer is an explicit or implicit valueTimothy Arceri2016-03-314-0/+17
| | | | | | | | | Since any of the xfb_* qualifiers trigger the shader to be in transform feedback mode we need an extra field to track if the xfb_buffer on interface members was set explicitly since xfb_buffer will always have a default value. Reviewed-by: Dave Airlie <[email protected]>
* glsl: add xfb_* qualifiers to glsl_struct_fieldTimothy Arceri2016-03-313-2/+26
| | | | | | | | | | | | | These will be used to hold qualifier values for interface and struct members. Support is added to the struct/interface constructors to copy these fields upon creation. We also update record_compare() to ensure we don't reuse a glsl_type with the wrong xfb_* qualifier values. Reviewed-by: Dave Airlie <[email protected]>
* glsl: add IR fields for transform feedback layout qualifiersTimothy Arceri2016-03-311-1/+26
| | | | | | | Adds xfb_buffer/stride fields and adds comment to offset field which is reused for xfb_offset. Reviewed-by: Dave Airlie <[email protected]>
* glsl: add validation for out layout qualifiersTimothy Arceri2016-03-311-2/+31
| | | | | | | This adds validation for all qualifiers as allowed by the table in Section 4.4 (Layout Qualifiers) of the GLSL 4.5 spec. Reviewed-by: Dave Airlie <[email protected]>
* glsl: relax stage restrictions on layout defaults for outputsTimothy Arceri2016-03-312-7/+7
| | | | | | | The new xfb_buffer and xfb_stride global qualifiers are allowed in geom, tess and vertex stages. Reviewed-by: Dave Airlie <[email protected]>
* glsl: parse new transform feedback layout qualifiersTimothy Arceri2016-03-314-3/+95
| | | | | | | | | | | | | | | | | | | | | | We reuse the existing offset field for holding the xfb_offset expression but create a new flag as to avoid hitting the rules for the offset qualifier for UBOs. xfb_buffer qualifiers require extra processing when merging as they can be applied to global out defaults. We just apply the same rules as we do for the stream qualifier as the spec says: "The *xfb_buffer* qualifier follows the same conventions, behavior, defaults, and inheritance rules as the qualifier stream, and the examples for stream apply here as well." For xfb_stride we push everything into a global out field for later processing as xfb_stride applies to the entire buffer. We still need to have a separate field to store per variable strides because they can still effect implicit offsets e.g. when applied to block members with implicit offsets. Reviewed-by: Dave Airlie <[email protected]>
* glsl: move process_qualifier_constant() to ast_type.cppTimothy Arceri2016-03-313-41/+47
| | | | | | We will make use of this function being here in the following patch. Reviewed-by: Dave Airlie <[email protected]>
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