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* glsl: add AoA support to subroutinesTimothy Arceri2015-10-211-5/+38
| | | | | | | | | | | | | | | process_parameters() will now be called earlier because we need actual_parameters processed earlier so we can use it with match_subroutine_by_name() to get the subroutine variable, we need to do this inside the recursive function generate_array_index() because we can't create the ir_dereference_array() until we have gotten to the outermost array. For the remainder of the array dimensions the type doesn't matter so we can just use the existing _mesa_ast_array_index_to_hir() function to process the ast. Reviewed-by: Dave Airlie <[email protected]>
* glsl: allow AoA to be sized by initializer or constructorTimothy Arceri2015-10-151-1/+32
| | | | | | | V2: Split out unsized array validation to its own patch as suggested by Samuel. Reviewed-by: Samuel Iglesias Gonsálvez <[email protected]>
* glsl: Add method to determine whether an expression contains the sequence ↵Ian Romanick2015-10-121-0/+11
| | | | | | | | | | | | | | | | | operator This will be used in the next patch to enforce some language sematics. v2: Fix inverted logic in ast_function_expression::has_sequence_subexpression. The method originally had a different name and a different meaning. I fixed the logic in ast_to_hir.cpp, but I only changed the names in ast_function.cpp. Signed-off-by: Ian Romanick <[email protected]> Reviewed-by: Marta Lofstedt <[email protected]> [v1] Reviewed-by: Matt Turner <[email protected]> Cc: "10.6 11.0" <[email protected]>
* glsl: Allow built-in functions as constant expressions in OpenGL ES 1.00Ian Romanick2015-10-121-5/+46
| | | | | | | | | | | | | | | | | | | | | | | | | | | In d4a24745 (August 2012), Paul made functions calls not be constant expressions in GLSL ES 1.00. Since this feature was added in desktop GLSL 1.20, we believed that it was added in GLSL ES 3.00. That turns out to be completely wrong. Built-in functions have always been allowed as constant expressions in GLSL ES, and the patch adds the (many) spec quotations to prove it. While we never previously encountered this, a later patch enforces a GLSL ES 1.00 rule that global variable initializers must be constant expressions. Without this fix, several dEQP tests fail. Fixes: tests/spec/glsl-es-1.00/compiler/const-initializer/from-function.frag tests/spec/glsl-es-1.00/compiler/const-initializer/from-function.vert tests/spec/glsl-es-1.00/compiler/const-initializer/from-sequence-in-function.frag tests/spec/glsl-es-1.00/compiler/const-initializer/from-sequence-in-function.vert Signed-off-by: Ian Romanick <[email protected]> Reviewed-by: Matt Turner <[email protected]> Cc: "10.0 10.1 10.2 10.3 10.4 10.5 10.6 11.0" <[email protected]> Yes, I know we don't maintain stable branches that far back, but that *is* how far back this bug goes!
* glsl: First argument to atomic functions must be a buffer variableIago Toral Quiroga2015-09-251-0/+42
| | | | | | | | | | | v2: - Add ssbo_in the names of the static functions so it is clear that this is specific to SSBO atomics. v3: - Move the check after the loop (Kristian Høgsberg) Reviewed-by: Kristian Høgsberg <[email protected]>
* glsl: Add parser/compiler support for unsized array's length()Samuel Iglesias Gonsalvez2015-09-251-4/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The unsized array length is computed with the following formula: array.length() = max((buffer_object_size - offset_of_array) / stride_of_array, 0) Of these, only the buffer size needs to be provided by the backends, the frontend already knows the values of the two other variables. This patch identifies the cases where we need to get the length of an unsized array, injecting ir_unop_ssbo_unsized_array_length expressions that will be lowered (in a later patch) to inject the formula mentioned above. It also adds the ir_unop_get_buffer_size expression that drivers will implement to provide the buffer length. v2: - Do not define a triop that will force backends to implement the entire formula, they should only need to provide the buffer size since the other values are known by the frontend (Curro). v3: - Call state->has_shader_storage_buffer_objects() in ast_function.cpp instead of using state->ARB_shader_storage_buffer_object_enable (Tapani). Signed-off-by: Samuel Iglesias Gonsalvez <[email protected]> Reviewed-by: Kristian Høgsberg <[email protected]>
* glsl: add ast/parser support for subroutine parsing storage (v3.2)Dave Airlie2015-07-231-5/+115
| | | | | | | | | | | | | | | | | | | | | | | | | | This is the guts of the GLSL parser and AST support for shader subroutines. The code creates a subroutine type in the parser, and uses that there to validate the identifiers. The parser also distinguishes between subroutine types/function prototypes /uniforms and subroutine defintions for functions. Then in the AST conversion it recreates the types, and stores the subroutine definition info or subroutine info into the ir_function along with a side lookup table in the parser state. It also converts subroutine calls into the enhanced ir_call. v2: move to handling method calls in function handling not in field selection. v3: merge Chris's previous parser patches in here, to make it clearer what's changed in one place. v3.1: add more documentation, drop unused include v3.2: drop is_subroutine_def Reviewed-by: Chris Forbes <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
* glsl: avoid compiler's segfault when processing operators with void argumentsRenaud Gaubert2015-07-161-1/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is done by returning an rvalue of type void in the ast_function_expression::hir function instead of a void expression. This produces (in the case of the ternary) an hir with a call to the void returning function and an assignment of a void variable which will be optimized out (the assignment) during the optimization pass. This fix results in having a valid subexpression in the many different cases where the subexpressions are functions whose return values are void. Thus preventing to dereference NULL in the following cases: * binary operator * unary operators * ternary operator * comparison operators (except equal and nequal operator) Equal and nequal had to be handled as a special case because instead of segfaulting on a forbidden syntax it was now accepting expressions with a void return value on either (or both) side of the expression. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=85252 Signed-off-by: Renaud Gaubert <[email protected]> Reviewed-by: Gabriel Laskar <[email protected]> Reviewed-by: Samuel Iglesias Gonsalvez <[email protected]>
* glsl: fix constructing a vector from a matrixMartin Peres2015-06-111-5/+17
| | | | | | | | | | | | | | | | | | | | | | | | | Without this patch, the following constructs (not an extensive list) would crash mesa: - mat2 foo = mat2(1); vec4 bar = vec4(foo); - mat3 foo = mat3(1); vec4 bar = vec4(foo); - mat3 foo = mat3(1); ivec4 bar = ivec4(foo); The first case is explicitely allowed by the GLSL spec, as seen on page 101 of the GLSL 4.40 spec: "vec4(mat2) // the vec4 is column 0 followed by column 1" The other cases are implicitely allowed also. The actual changes are quite minimal. We first split each column of the matrix to a list of vectors and then use them to initialize the vector. An additional check to make sure that we are not trying to copy 0 elements of a vector fix the (i)vec4(mat3) case as the last vector (3rd column) is not needed at all. Reviewed-by: Tapani Pälli <[email protected]> Signed-off-by: Martin Peres <[email protected]>
* glsl: remove element_type() helperTimothy Arceri2015-05-221-4/+4
| | | | | | | | | | | | | | We now have is_array() and without_array() that make the code much clearer and remove the need for this. For all remaining calls to this we already knew that the type was an array so returning a null wasn't adding any value. v2: use without_array() in _mesa_ast_array_index_to_hir() and don't use without_array() in lower_clip_distance_visitor() as we want to make sure the array is 2D. Reviewed-by: Matt Turner <[email protected]>
* Fix a few typosZoë Blade2015-04-271-1/+1
| | | | Reviewed-by: Francisco Jerez <[email protected]>
* glsl: fix assignment of multiple scalar and vecs to matrices.Samuel Iglesias Gonsalvez2015-04-151-61/+49
| | | | | | | | | | | | | | | | | When a vec has more elements than row components in a matrix, the code could end up failing an assert inside assign_to_matrix_column(). This patch makes sure that when there is still room in the matrix for more elements (but in other columns of the matrix), the data is actually assigned. This patch fixes the following dEQP test: dEQP-GLES3.functional.shaders.conversions.matrix_combine.float_bvec4_ivec2_bool_to_mat4x2_vertex dEQP-GLES3.functional.shaders.conversions.matrix_combine.float_bvec4_ivec2_bool_to_mat4x2_fragment Signed-off-by: Samuel Iglesias Gonsalvez <[email protected]> Reviewed-by: Ben Widawsky <[email protected]>
* glsl: Mark path as unreachable.Matt Turner2015-04-111-1/+1
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* glsl/ast: Support double floatsDave Airlie2015-02-191-13/+53
| | | | | Signed-off-by: Dave Airlie <[email protected]> Reviewed-by: Ilia Mirkin <[email protected]>
* glsl: Forbid calling the constructor of any opaque type.Francisco Jerez2015-02-101-3/+3
| | | | | | The spec doesn't define any opaque type constructors. Reviewed-by: Ian Romanick <[email protected]>
* glsl: Don't make a name for the function return variableIan Romanick2014-09-301-4/+7
| | | | | | | | | | If the name is just going to get dropped, don't bother making it. If the name is made, release it sooner (rather than later). No change Valgrind massif results for a trimmed apitrace of dota2. Signed-off-by: Ian Romanick <[email protected]> Reviewed-by: Matt Turner <[email protected]>
* glsl: Use bit-flags image attributes and uint16_t for the image formatIan Romanick2014-08-291-5/+5
| | | | | | | | | | | | | | | | | | | | | | All of the GL image enums fit in 16-bits. Also move the fields from the anonymous "image" structucture to the next higher structure. This will enable packing the bits with the other bitfield. Valgrind massif results for a trimmed apitrace of dota2: n time(i) total(B) useful-heap(B) extra-heap(B) stacks(B) Before (32-bit): 76 40,572,916,873 68,831,248 63,328,783 5,502,465 0 After (32-bit): 70 40,577,421,777 68,487,584 62,973,695 5,513,889 0 Before (64-bit): 60 36,822,640,058 96,526,824 88,735,296 7,791,528 0 After (64-bit): 74 37,124,603,758 95,891,808 88,466,712 7,425,096 0 A real savings of 346KiB on 32-bit and 262KiB on 64-bit. Signed-off-by: Ian Romanick <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]>
* glsl: Make it possible to ignore built-ins when matching signatures.Kenneth Graunke2014-08-041-7/+8
| | | | | | | | | | | | | | | | | | Historically, we've implemented the rules for overriding built-in functions by creating multiple ir_functions and relying on the symbol table to hide the one containing built-in functions. That works, but has a few drawbacks, so the next patch will change it. Instead, we'll have a single ir_function for a particular name, which will contain both built-in and user-defined signatures. Passing an extra parameter to matching_signature makes it easy to ignore built-ins when they're supposed to be hidden. I didn't add the parameter to exact_matching_signature since it wasn't necessary. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
* glsl: Fix aggregates with dynamic initializers.Cody Northrop2014-07-141-3/+14
| | | | | | | | | | | | | | | | | | | | | Vectors are falling in to the ir_dereference_array() path. Without this change, the following glsl aborts the debug driver, or gets the wrong answer in release: mat2x2 a = mat2( vec2( 1.0, vertex.x ), vec2( 0.0, 1.0 ) ); Also submitting piglit tests, will reference in bug. v2: Rebase on Mesa master. v3: Remove unneeded check for arrays, which are covered by process_array_constructor(), recommended by Timothy Arceri. Signed-off-by: Cody Northrop <[email protected]> Reviewed-by: Courtney Goeltzenleuchter <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=79373
* allow builtin functions to require parameters to be shader inputsChris Forbes2014-07-121-0/+18
| | | | | | | | | | | | | The new interpolateAt* builtins have strange restrictions on the <interpolant> parameter. - It must be a shader input, or an element of a shader input array. - It must not include a swizzle. V2: Don't abuse ir_var_mode_shader_in for this; make a new flag. Signed-off-by: Chris Forbes <[email protected]> Reviewed-by: Ilia Mirkin <[email protected]>
* glsl: Use foreach_list_typed when possible.Matt Turner2014-07-011-4/+2
| | | | Reviewed-by: Ian Romanick <[email protected]>
* glsl: Use typed foreach_in_list_safe instead of foreach_list_safe.Matt Turner2014-07-011-10/+4
| | | | Reviewed-by: Ian Romanick <[email protected]>
* glsl: Use typed foreach_in_list instead of foreach_list.Matt Turner2014-07-011-20/+10
| | | | Reviewed-by: Ian Romanick <[email protected]>
* glsl: Pass parse state to can_implicitly_convert_to()Chris Forbes2014-06-041-2/+2
| | | | | Signed-off-by: Chris Forbes <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]>
* glsl: Remove useless call to as_rvalue().Matt Turner2014-06-031-1/+1
| | | | | | The type returned by hir() is already an ir_rvalue pointer. Reviewed-by: Juha-Pekka Heikkila <[email protected]>
* glsl: rename _restrict to restrict_flagBrian Paul2014-02-121-1/+1
| | | | | | | | | | | To fix MSVC compile breakage. Evidently, _restrict is an MSVC keyword, though the docs only mention __restrict (with two underscores). Note: we may want to also rename _volatile to volatile_flag to be consistent. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=74900 Reviewed-by: Ian Romanick <[email protected]>
* glsl/ast: Verify that function calls don't discard image format qualifiers.Francisco Jerez2014-02-121-0/+58
| | | | Reviewed-by: Paul Berry <[email protected]>
* glsl: Simplify aggregate type inference to prepare for ARB_arrays_of_arrays.Paul Berry2014-01-221-5/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Most of the time it is not necessary to perform type inference to compile GLSL; the type of every expression can be inferred from the contents of the expression itself (and previous type declarations). The exception is aggregate initializers: their type is determined by the LHS of the variable being assigned to. For example, in the statement: mat2 foo = { { 1, 2 }, { 3, 4 } }; the type of { 1, 2 } is only known to be vec2 (as opposed to, say, ivec2, uvec2, int[2], or a struct) because of the fact that the result is being assigned to a mat2. Previous to this patch, we handled this situation by doing some type inference during parsing: when parsing a declaration like the one above, we would call _mesa_set_aggregate_type(), which would infer the type of each aggregate initializer and store it in the corresponding ast_aggregate_initializer::constructor_type field. Since this happened at parse time, we couldn't do the type inference using glsl_type objects; we had to use ast_type_specifiers, which are much more awkward to work with. Things are about to get more complicated when we add support for ARB_arrays_of_arrays. This patch simplifies things by postponing the call to _mesa_set_aggregate_type() until ast-to-hir time, when we have access to glsl_type objects. As a side benefit, we only need to have one call to _mesa_set_aggregate_type() now, instead of six. Reviewed-by: Matt Turner <[email protected]>
* glsl: Use a new foreach_two_lists macro for walking two lists at once.Kenneth Graunke2014-01-131-12/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When handling function calls, we often want to walk through the list of formal parameters and list of actual parameters at the same time. (Both are guaranteed to be the same length.) Previously, we used a pattern of: exec_list_iterator 1st_iter = <1st list>.iterator(); foreach_iter(exec_list_iterator, 2nd_iter, <2nd list>) { ... 1st_iter.next(); } This was awkward, since you had to manually iterate through one of the two lists. This patch introduces a foreach_two_lists macro which safely walks through two lists at the same time, so you can simply do: foreach_two_lists(1st_node, <1st list>, 2nd_node, <2nd list>) { ... } v2: Rename macro from foreach_list2 to foreach_two_lists, as suggested by Ian Romanick. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Matt Turner <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
* Report that no function found if signature lookup is emptyKevin Rogovin2013-12-201-9/+16
| | | | | | | If no function signature is found for a function name, report that the function is not found instead of printing an empty list of candidates. Reviewed-by: Ian Romanick <[email protected]>
* Use line number information from entire function expressionKevin Rogovin2013-12-201-1/+1
| | | | | | | | | | | | This patch changes the error reporting behavior for incorrect function invocation (triggered by match_function_by_name() unable to find a matching function call) from using the line number information associated to the function name term to using the line number information of the entire function expression. Fixes bug #72264. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=72264 Reviewed-by: Ian Romanick <[email protected]> Cc: "10.0" <[email protected]>
* glsl: move variables in to ir_variable::data, part ITapani Pälli2013-12-121-7/+7
| | | | | | | | | | This patch moves following bitfields in to the data structure: used, assigned, how_declared, mode, interpolation, origin_upper_left, pixel_center_integer Signed-off-by: Tapani Pälli <[email protected]> Reviewed-by: Paul Berry <[email protected]>
* glsl: introduce data section to ir_variableTapani Pälli2013-12-121-1/+1
| | | | | | | | Data section helps serialization and cloning of a ir_variable. This patch includes the helper bits used for read only ir_variables. Signed-off-by: Tapani Pälli <[email protected]> Reviewed-by: Paul Berry <[email protected]>
* glsl: Simplify the built-in function linking code.Kenneth Graunke2013-12-011-2/+2
| | | | | | | | | | | | | | | | | | Previously, we stored an array of up to 16 additional shaders to link, as well as a count of how many each shader actually needed. Since the built-in functions rewrite, all the built-ins are stored in a single shader. So all we need is a boolean indicating whether a shader needs to link against built-ins or not. During linking, we can avoid creating the temporary array if none of the shaders being linked need built-ins. Otherwise, it's simply a copy of the array that has one additional element. This is much simpler. This patch saves approximately 128 bytes of memory per gl_shader object. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
* glsl: Drop crazy looping from no_matching_function_error().Kenneth Graunke2013-12-011-16/+23
| | | | | | | | | | | | Since the built-in functions rewrite, num_builtins_to_link is always either 0 or 1, so we don't need tho crazy loop starting at -1 with a special case. All we need to do is print the prototypes from the current shader, and the single built-in function shader (if present). Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
* glsl: Merge "candidates are: " message to the previous line.Kenneth Graunke2013-12-011-6/+4
| | | | | | | | | | | | | | | | | | | | | | | | | Previously, when we hit a "no matching function" error, it looked like: 0:0(0): error: no matching function for call to `cos()' 0:0(0): error: candidates are: float cos(float) 0:0(0): error: vec2 cos(vec2) 0:0(0): error: vec3 cos(vec3) 0:0(0): error: vec4 cos(vec4) Now it looks like: 0:0(0): error: no matching function for call to `cos()'; candidates are: 0:0(0): error: float cos(float) 0:0(0): error: vec2 cos(vec2) 0:0(0): error: vec3 cos(vec3) 0:0(0): error: vec4 cos(vec4) This is not really any worse and removes the need for the prefix variable. It will also help with the next commit's refactoring. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Chris Forbes <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
* glsl: Drop unused call_ir parameter from generate_call().Kenneth Graunke2013-12-011-8/+6
| | | | | Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
* glsl: Add check for unsized arrays to glsl typesTimothy Arceri2013-10-281-7/+7
| | | | | | | | | | | | | | | | | | | | The main purpose of this patch is to increase readability of the array code by introducing is_unsized_array() to glsl_types. Some redundent is_array() checks are also removed, and small number of other related clean ups. The introduction of is_unsized_array() should also make the ARB_arrays_of_arrays code simpler and more readable when it arrives. V2: Also replace code that checks for unsized arrays directly with the length variable Signed-off-by: Timothy Arceri <[email protected]> v3 (Paul Berry <[email protected]>): clean up formatting. Separate whitespace cleanups to their own patch. Reviewed-by: Paul Berry <[email protected]>
* glsl: Switch to the new built-in function module.Kenneth Graunke2013-09-091-27/+2
| | | | | | | | All built-ins are now handled by the new code; the old system is dead. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Matt Turner <[email protected]> Reviewed-by: Paul Berry <[email protected]>
* glsl: Skip unavailable built-ins when printing out similar candidates.Kenneth Graunke2013-09-091-0/+3
| | | | | | Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Matt Turner <[email protected]> Reviewed-by: Paul Berry <[email protected]>
* glsl: Pass _mesa_glsl_parse_state into matching_signature and such.Kenneth Graunke2013-09-091-2/+3
| | | | | | | | | | | | | | | | | | | | | | | During compilation, we'll use this to determine built-in availability. The plan is to have a single shader containing every built-in in every version of the language, but filter out the ones that aren't actually available to the shader being compiled. At link time, we don't actually need this filtering capability: we've already imported prototypes for every built-in that the shader actually calls, and they're flagged as is_builtin(). The linker doesn't import any additional prototypes, so it won't pull in any unavailable built-ins. When resolving prototypes to function definitions, the linker ensures the values of is_builtin() match, which means that a shader can't trick the linker into importing the body of an unavailable built-in by defining a suspiciously similar prototype. In other words, during linking, we can just pass in NULL. It will work out fine. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Matt Turner <[email protected]> Reviewed-by: Paul Berry <[email protected]>
* glsl: Be consistent about '\n', '.', and capitalization in errors/warnings.Paul Berry2013-07-271-1/+1
| | | | | | | | | | | | The majority of calls to _mesa_glsl_error(), _mesa_glsl_warning(), and _mesa_glsl_parse_state::check_version() use a message that begins with a lower case letter and ends without a period. This patch makes all messages follow that convention. Also, error/warning messages shouldn't end in '\n', since _mesa_glsl_msg() automatically adds '\n' at the end of the message. Reviewed-by: Matt Turner <[email protected]>
* glsl: Reject C-style initializers with unknown types.Matt Turner2013-07-151-0/+5
| | | | | | | | | | | | | | | | | | | | | | | _mesa_ast_set_aggregate_type walks through declarations initialized with C-style aggregate initializers and stops when it runs out of LHS declarations or RHS expressions. In the example vec4 v = {{{1, 2, 3, 4}}}; _mesa_ast_set_aggregate_type would not recurse into the subexpressions (since vec4s do not contain types that can be initialized with an aggregate initializer) to set their <constructor_type>s. Later in ::hir we would dereference the NULL pointer and segfault. If <constructor_type> is NULL in ::hir we know that the LHS and RHS were unbalanced and the code is illegal. Arrays, structs, and matrices were unaffected. Reviewed-by: Kenneth Graunke <[email protected]> Reviewed-by: Chris Forbes <[email protected]>
* glsl: Add infrastructure for aggregate initializers.Matt Turner2013-07-111-0/+30
| | | | Reviewed-by: Ian Romanick <[email protected]>
* glsl: Add process_vec_mat_constructor() function.Matt Turner2013-07-111-0/+114
| | | | | | Based largely on process_array_constructor(). Reviewed-by: Ian Romanick <[email protected]>
* glsl: Separate code into process_record_constructor().Matt Turner2013-07-111-48/+60
| | | | Reviewed-by: Ian Romanick <[email protected]>
* glsl: Clean up and clarify comment explaining initializer rules.Matt Turner2013-07-111-7/+13
| | | | Reviewed-by: Ian Romanick <[email protected]>
* glsl: Fix inverted conditional in error message.Matt Turner2013-07-111-1/+1
| | | | | | | | | | | | The code float a[2] = float[2]( 3.4, 4.2, 5.0 ); previously generated this: error: array constructor must have at least 2 parameters when in fact it requires exactly two. Reviewed-by: Chad Versace <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
* glsl: Add missing return error_value(ctx) in error path.Matt Turner2013-07-111-0/+1
| | | | | Reviewed-by: Chad Versace <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
* glsl: Generate correct ir_binop_vector_extract code for out and inout parametersIan Romanick2013-05-131-47/+102
| | | | | | | | | | | | | | Like with type conversions on out parameters, some extra copies need to occur to handle these cases. The fundamental problem is that ir_binop_vector_extract is not an lvalue, but out and inout parameters must be lvalues. A previous patch delt with a similar problem in the LHS of ir_assignment. v2: Convert tabs to spaces. Suggested by Eric. Signed-off-by: Ian Romanick <[email protected]> Reviewed-by: Eric Anholt <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]>
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