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* glsl: Create a field to store fractional varying locations.Paul Berry2012-12-141-0/+9
| | | | | | | | | | | | | | | Currently, the location of each varying is recorded in ir_variable as a multiple of the size of a vec4. In order to pack varyings, we need to be able to record, e.g. that a vec2 is stored in the second half of a varying slot rather than the first half. This patch introduces a field ir_variable::location_frac, which represents the offset within a vec4 where a varying's value is stored. Varyings that are not subject to packing will always have a location_frac value of zero. Reviewed-by: Eric Anholt <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
* glsl/linker: Make separate ir_variable field to mean "unmatched".Paul Berry2012-12-141-0/+9
| | | | | | | | | | | | | | | | | Previously, the linker used a value of -1 in ir_variable::location to denote a generic input or output of the shader that had not yet been matched up to a variable in another pipeline stage. This patch introduces a new ir_variable field, is_unmatched_generic_inout, for that purpose. In future patches, this will allow us to separate the process of matching varyings between shader stages from the processes of assigning locations to those varying. That will in turn pave the way for packing varyings. Reviewed-by: Eric Anholt <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
* glsl: Add a "ubo_load" expression type for fetches from UBOs.Eric Anholt2012-08-071-1/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Drivers will probably want to be able to take UBO references in a shader like: uniform ubo1 { float a; float b; float c; float d; } void main() { gl_FragColor = vec4(a, b, c, d); } and generate a single aligned vec4 load out of the UBO. For intel, this involves recognizing the shared offset of the aligned loads and CSEing them out. Obviously that involves breaking things down to loads from an offset from a particular UBO first. Thus, the driver doesn't want to see variable_ref(ir_variable("a")), and even more so does it not want to see array_ref(record_ref(variable_ref(ir_variable("a")), "field1"), variable_ref(ir_variable("i"))). where a.field1[i] is a row_major matrix. Instead, we're going to make a lowering pass to break UBO references down to expressions that are obvious to codegen, and amenable to merging through CSE. v2: Fix some partial thoughts in the ir_binop comment (review by Kenneth) Reviewed-by: Ian Romanick <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]>
* glsl: Fix ir_last_opcode value.Ian Romanick2012-07-301-1/+1
| | | | | | | | | | Now that ir_quadop_vector exists, ir_last_binop and ir_last_opcode are no longer the same. Only one place currently uses this enumeration, and already handles ir_quadop_vector correctly. Signed-off-by: Ian Romanick <[email protected]> Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Olivier Galibert <[email protected]>
* glsl: Translate the AST for uniform blocks into some IR structures.Eric Anholt2012-07-201-1/+12
| | | | | | | | | | We're going to need this structure to cross-validate the uniform blocks between shader stages, since unused ir_variables might get dropped. It's also the place we store the RowMajor qualifier, which is not part of the GLSL type (since that would cause a bunch of type equality checks to fail). Reviewed-by: Ian Romanick <[email protected]>
* glsl: Initialize coordinate to NULL in ir_texture constructor.Kenneth Graunke2012-07-121-1/+2
| | | | | | | | | | | I ran into this while trying to create a TXS query, which doesn't have a coordinate. Since it didn't get initialized to NULL, a bunch of visitors tried to access it and crashed. Most of the time, this won't be a problem, but it's just a good idea. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Eric Anholt <[email protected]>
* glsl: Remove unused ir_loop_jump::loop pointer.Kenneth Graunke2012-07-021-4/+0
| | | | | | | | | | | | | | | | | Commit 0c005bd7 intended to make ir_loop_jump::mode public, but also accidentally added a new pointer to the enclosing loop. Furthermore, it tried to initialize the new field by adding "this->loop = loop;" to the constructor, but since there is no loop parameter, this only initialized the field to itself---so it will likely be a garbage pointer. A lot of code, such as lower_jumps, allocates new loop jumps without setting this field appropriately, so any uses would probably just crash. Thankfully, there were none, so we can just delete the field. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=51574 Reviewed-by: Ian Romanick <[email protected]> Reviewed-by: Eric Anholt <[email protected]>
* glsl: fix comment typoBrian Paul2012-06-261-1/+1
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* glsl: Add unary operation ir_unop_f2u.Paul Berry2012-06-151-0/+1
| | | | | | | | | | | | | | | Previously, we performed conversions from float->uint by a two step process: float->int->uint. However, on platforms that use saturating conversions (e.g. i965), this didn't work, because if the source value was larger than the maximum representable int (0x7fffffff), then converting it to an int would clamp it to 0x7fffffff. This patch just adds the new opcode; further patches will adapt optimization passes and back-ends to use it, and then finally the ast_to_hir logic will be modified to emit the new opcode. Reviewed-by: Brian Paul <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]>
* glsl: Add is_basis functionMatt Turner2012-06-121-4/+22
| | | | | | | Determines whether it's a basis vector, i.e., a vector with one element equal to 1 and all other elements equal to 0. Reviewed-by: Kenneth Graunke <[email protected]>
* glsl: Clean up warnings about deleting classes without virtual destructors.Eric Anholt2012-06-081-0/+10
| | | | Reviewed-by: Kenneth Graunke <[email protected]>
* glsl: New unary opcodes for ARB_shader_bit_encoding support.Olivier Galibert2012-06-071-11/+15
| | | | | | | The opcodes are bitcast_f2u, bitcast_f2i, bitcast_i2f and bitcast_u2f. Signed-off-by: Olivier Galibert <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]>
* glsl: Change built-in constant expression evaluation to run the IR.Olivier Galibert2012-05-081-0/+15
| | | | | | | | This removes code duplication with ir_expression::constant_expression_value and builtins/ir/*. Signed-off-by: Olivier Galibert <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]>
* glsl: Add an origin pointer in the function signature object.Olivier Galibert2012-05-081-0/+3
| | | | | | | | This points to the object with the function body, allowing us to map from a built-in prototype to the actual body with IR code to execute. Signed-off-by: Olivier Galibert <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]>
* glsl: Add methods to copy parts of one ir_constant into another.Olivier Galibert2012-05-081-0/+25
| | | | | | | | | | | | | | | - copy_masked_offset copies part of a constant into another, assign-like. - copy_offset copies a constant into (a subset of) another, funcall-return like. These methods are to be used to trace through assignments and function calls when computing a constant expression. Signed-off-by: Olivier Galibert <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]> Reviewed-by: Eric Anholt <[email protected]> [v1]
* glsl: Add a constant_referenced method to ir_dereference*Olivier Galibert2012-05-081-0/+36
| | | | | | | | | | The method is used to get a reference to an ir_constant * within the context of evaluating an assignment when calculating a constant_expression_value. Signed-off-by: Olivier Galibert <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]> Reviewed-by: Eric Anholt <[email protected]> [v1]
* glsl: Add a variable context to constant_expression_value().Olivier Galibert2012-05-081-13/+18
| | | | | | Signed-off-by: Olivier Galibert <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]> Reviewed-by: Eric Anholt <[email protected]> [v1]
* glsl: Track in each ir_variable whether it was ever assigned.Eric Anholt2012-04-191-0/+13
| | | | | | | This will be used for some compile-and-link-time error checking, where currently we've been doing error checking only at link time. Reviewed-by: Kenneth Graunke <[email protected]>
* glsl: add support for ARB_blend_func_extended (v3)Dave Airlie2012-04-131-0/+1
| | | | | | | | | | | | | | | | | | | This adds index support to the GLSL compiler. I'm not 100% sure of my approach here, esp without how output ordering happens wrt location, index pairs, in the "mark" function. Since current hw doesn't ever have a location > 0 with an index > 0, we don't have to work out if the output ordering the hw requires is location, index, location, index or location, location, index, index. But we have no hw to know, so punt on it for now. v2: index requires layout - catch and error setup explicit index properly. v3: drop idx_offset stuff, assume index follow location Signed-off-by: Dave Airlie <[email protected]>
* mesa: add support for ARB_blend_func_extended (v4)Dave Airlie2012-04-131-0/+5
| | | | | | | | | | | | | | | | | | | | Add implementations of the two API functions, Add a new strings to uint mapping for index bindings Add the blending mode validation for SRC1 + SRC_ALPHA_SATURATE Add get for MAX_DUAL_SOURCE_DRAW_BUFFERS v2: Add check in valid_to_render to address case in spec ERRORS. v3: Add index to ir.h so this patch compiles on its own fixup comment v4: fixup Brian's comments The GLSL patch will setup the indices. Signed-off-by: Dave Airlie <[email protected]>
* glsl: Demote 'type' from ir_instruction to ir_rvalue and ir_variable.Kenneth Graunke2012-04-021-2/+7
| | | | | | | | | | | | | Variables have types, expression trees have types, but statements don't. Rather than have a nonsensical field that stays NULL in the base class, just move it to where it makes sense. Fix up a few places that lazily used ir_instruction even though they actually knew the particular subclass. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Eric Anholt <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
* glsl: Remove ir_call::get_callee() and set_callee().Kenneth Graunke2012-04-021-16/+5
| | | | | | | | | | | | | Previously, set_callee() performed some assertions about the type of the ir_call; protecting the bare pointer ensured these checks would be run. However, ir_call no longer has a type, so the getter and setter methods don't actually do anything useful. Remove them in favor of accessing callee directly, as is done with most other fields in our IR. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Eric Anholt <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
* glsl: Convert ir_call to be a statement rather than a value.Kenneth Graunke2012-04-021-7/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Aside from ir_call, our IR is cleanly split into two classes: - Statements (typeless; used for side effects, control flow) - Values (deeply nestable, pure, typed expression trees) Unfortunately, ir_call confused all this: - For void functions, we placed ir_call directly in the instruction stream, treating it as an untyped statement. Yet, it was a subclass of ir_rvalue, and no other ir_rvalue could be used in this way. - For functions with a return value, ir_call could be placed in arbitrary expression trees. While this fit naturally with the source language, it meant that expressions might not be pure, making it difficult to transform and optimize them. To combat this, we always emitted ir_call directly in the RHS of an ir_assignment, only using a temporary variable in expression trees. Many passes relied on this assumption; the acos and atan built-ins violated it. This patch makes ir_call a statement (ir_instruction) rather than a value (ir_rvalue). Non-void calls now take a ir_dereference of a variable, and store the return value there---effectively a call and assignment rolled into one. They cannot be embedded in expressions. All expression trees are now pure, without exception. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Eric Anholt <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
* glsl: Move constant expression handling from calls to signatures.Kenneth Graunke2012-04-021-0/+6
| | | | | | | | | | | | | | | When translating a call from AST to HIR, we need to decide whether it can be evaluated to a constant before emitting any code (namely, the temporary declaration, assignment, and call.) Soon, ir_call will become a statement taking a dereference of where to store the return value, rather than an rvalue to be used on the RHS of an assignment. It will be more convenient to try evaluation before creating a call. ir_function_signature seems like a reasonable place. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Eric Anholt <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
* glsl: Use ir_rvalue to represent generic error_type values.Kenneth Graunke2012-04-021-15/+20
| | | | | | | | | | | | | | | | | | | | | | Currently, ir_call can be used as either a statement (for void functions) or a value (for non-void functions). This is rather awkward, as it's the only class that can be used in both forms. A number of places use ir_call::get_error_instruction() to construct a generic value of error_type. If ir_call is to become a statement, it can no longer serve this purpose. Unfortunately, none of our classes are particularly well suited for this, and creating a new one would be rather aggrandizing. So, this patch introduces ir_rvalue::error_value(), a static method that creates an instance of the base class, ir_rvalue. This has the nice property that you can't accidentally try and access uninitialized fields (as it doesn't have any). The downside is that the base class is no longer abstract. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Eric Anholt <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
* glsl: Add a new matching_signature() variant that returns exact/inexact.Kenneth Graunke2011-11-141-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | When matching function signatures across multiple linked shaders, we often want to see if the current shader has _any_ match, but also know whether or not it was exact. (If not, we may want to keep looking.) This could be done via the existing mechanisms: sig = f->exact_matching_signature(params); if (sig != NULL) { exact = true; } else { sig = f->matching_signature(params); exact = false; } However, this requires walking the list of function signatures twice, which also means walking each signature's formal parameter lists twice. This could be rather expensive. Since matching_signature already internally knows whether a match was exact or not, we can just return it to get that information for free. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Paul Berry <[email protected]>
* linker: Check that initializers for global variables matchIan Romanick2011-11-031-0/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This requires tracking a couple extra fields in ir_variable: * A flag to indicate that a variable had an initializer. * For non-const variables, a field to track the constant value of the variable's initializer. For variables non-constant initalizers, ir_variable::has_initializer will be true, but ir_variable::constant_initializer will be NULL. The linker can use the values of these fields to check adherence to the GLSL 4.20 rules for shared global variables: "If a shared global has multiple initializers, the initializers must all be constant expressions, and they must all have the same value. Otherwise, a link error will result. (A shared global having only one initializer does not require that initializer to be a constant expression.)" Previous to 4.20 the GLSL spec simply said that initializers must have the same value. In this case of non-constant initializers, this was impossible to determine. As a result, no vendor actually implemented that behavior. The 4.20 behavior matches the behavior of NVIDIA's shipping implementations. NOTE: This is candidate for the 7.11 branch. This patch also needs the preceding patch "glsl: Refactor generate_ARB_draw_buffers_variables to use add_builtin_constant" Signed-off-by: Ian Romanick <[email protected]> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=34687 Reviewed-by: Kenneth Graunke <[email protected]> Acked-by: Paul Berry <[email protected]>
* glsl: Put all bitfields in ir_variable together for better packingIan Romanick2011-11-031-8/+8
| | | | | | | | | The diff looks weird because ir_variable::depth_layout was between the last two bitfields in the structure. Signed-off-by: Ian Romanick <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]> Acked-by: Paul Berry <[email protected]>
* glsl: add ir_variable::determine_interpolation_mode() function.Paul Berry2011-10-271-0/+11
| | | | | | | | This function determines how a variable should be interpolated based both on interpolation qualifiers and the current shade model. Reviewed-by: Kenneth Graunke <[email protected]> Reviewed-by: Eric Anholt <[email protected]>
* glsl: Distinguish between no interpolation qualifier and 'smooth'Paul Berry2011-10-271-0/+4
| | | | | | | | | | | | | | | Previously, we treated the 'smooth' qualifier as equivalent to no qualifier at all. However, this is incorrect for the built-in color variables (gl_FrontColor, gl_BackColor, gl_FrontSecondaryColor, and gl_BackSecondaryColor). For those variables, if there is no qualifier at all, interpolation should be flat if the shade model is GL_FLAT, and smooth if the shade model is GL_SMOOTH. To make this possible, I added a new value to the glsl_interp_qualifier enum, INTERP_QUALIFIER_NONE. Reviewed-by: Kenneth Graunke <[email protected]> Reviewed-by: Eric Anholt <[email protected]>
* mesa: Expose GLSL interpolation qualifiers in gl_fragment_program.Paul Berry2011-10-271-7/+3
| | | | | | | | | | | | | | | | | This patch makes GLSL interpolation qualifiers visible to drivers via the array InterpQualifier[] in gl_fragment_program, so that they can easily be used by driver back-ends to select the correct interpolation mode. Previous to this patch, the GLSL compiler was using the enum ir_variable_interpolation to represent interpolation types. Rather than make a duplicate enum in core mesa to represent the same thing, I moved the enum into mtypes.h and renamed it to be more consistent with the other enums defined there. Reviewed-by: Brian Paul <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]> Reviewed-by: Eric Anholt <[email protected]>
* glsl: Remove unused method ir_variable::component_slotsIan Romanick2011-10-071-8/+0
| | | | | | Signed-off-by: Ian Romanick <[email protected]> Reviewed-by: Brian Paul <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]>
* glsl: Remove field array_lvalue from ir_variable.Paul Berry2011-09-141-8/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The array_lvalue field was attempting to enforce the restriction that whole arrays can't be used on the left-hand side of an assignment in GLSL 1.10 or GLSL ES, and can't be used as out or inout parameters in GLSL 1.10. However, it was buggy (it didn't work properly for built-in arrays), and it was clumsy (it unnecessarily kept track on a variable-by-variable basis, and it didn't cover the GLSL ES case). This patch removes the array_lvalue field completely in favor of explicit checks in ast_parameter_declarator::hir() (this check is added) and in do_assignment (this check was already present). This causes a benign behavioral change: when the user attempts to pass an array as an out or inout parameter of a function in GLSL 1.10, the error is now flagged at the time the function definition is encountered, rather than at the time of invocation. Previously we allowed such functions to be defined, and only flagged the error if they were invoked. Fixes Piglit tests spec/glsl-1.10/compiler/qualifiers/fn-{out,inout}-array-prohibited* and spec/glsl-1.20/compiler/assignment-operators/assign-builtin-array-allowed.vert. Reviewed-by: Ian Romanick <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]>
* glsl: Implement the GL_ARB_conservative_depth extension.Kenneth Graunke2011-08-251-1/+1
| | | | | | | It's the same as GL_AMD_conservative_depth. The specs have slight differences in wording, but don't differ in content or behavior. Signed-off-by: Kenneth Graunke <[email protected]>
* glsl: Add a new ir_txs (textureSize) opcode to ir_texture.Kenneth Graunke2011-08-231-1/+3
| | | | | | | | One unique aspect of TXS is that it doesn't have a coordinate. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Ian Romanick <[email protected]> Reviewed-by: Dave Airlie <[email protected]>
* glsl: Make is_lvalue() and variable_referenced() const.Paul Berry2011-08-151-9/+9
| | | | | | | | | | These functions don't modify the target instruction, so it makes sense to make them const. This allows these functions to be called from ir validation code (which uses const to ensure that it doesn't accidentally modify the IR being validated). Reviewed-by: Chad Versace <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]>
* glsl: Reject shaders that contain static recursionIan Romanick2011-07-201-0/+26
| | | | | | | | | | | | | | | | | | | The GLSL 1.20 and later specs say: "Recursion is not allowed, not even statically. Static recursion is present if the static function call graph of the program contains cycles." Recursion is detected and rejected both a compile-time and at link-time. The complie-time check happens to detect some cases that may be removed by various optimization passes. The spec doesn't seem to allow this, but other vendors (e.g., NVIDIA) appear to only check at link-time after all optimizations. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=33885 Reviewed-by: Paul Berry <[email protected]> Reviewed-by: Eric Anholt <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]>
* glsl: Make prototype_string publicly availableIan Romanick2011-07-201-0/+4
| | | | | | | | Also clarify the documentation for one of the parameters. Reviewed-by: Paul Berry <[email protected]> Reviewed-by: Eric Anholt <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]>
* linker: Only over-ride built-ins when a prototype has been seenIan Romanick2011-07-171-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | The GLSL spec says: "If a built-in function is redeclared in a shader (i.e., a prototype is visible) before a call to it, then the linker will only attempt to resolve that call within the set of shaders that are linked with it." This patch enforces this behavior. When a function call is processed a flag is set in the ir_call to indicate whether the previously seen prototype is the built-in or not. At link time a call will only bind to an instance of a function that matches the "want built-in" setting in the ir_call. This has the odd side effect that first call to abs() in the shader below will call the built-in and the second will not: float foo(float x) { return abs(x); } float abs(float x) { return -x; } float bar(float x) { return abs(x); } This seems insane, but it matches what the spec says. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=31744
* glsl: Add ir_unop_i2u and ir_unop_u2i operations.Bryan Cain2011-06-291-0/+2
| | | | | | | | | | | | | | | | | These are necessary to handle int/uint constructor conversions. For example, the following code currently results in a type mismatch: int x = 7; uint y = uint(x); In particular, uint(x) still has type int. This commit simply adds the new operations; it does not generate them, nor does it add backend support for them. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Ian Romanick <[email protected]> Reviewed-by: Eric Anholt <[email protected]>
* glsl: Allow ir_assignment() constructor to not specify condition.Eric Anholt2011-06-291-1/+1
| | | | | | | | | | | We almost never want to specify a condition, and when we do we're already thinking about it (because we're writing a lowering pass generating the condition), so a default argument should make the code more pleasant to read. NOTE: This is a candidate for the 7.11 branch (we want to be able to cherry-pick future code). Reviewed-by: Kenneth Graunke <[email protected]>
* glsl: Calcluate Mesa state slots in front-end instead of back-endIan Romanick2011-03-291-0/+26
| | | | | | | | | | | | This should be the last bit of infrastructure changes before generating GLSL IR for assembly shaders. This commit leaves some odd code formatting in ir_to_mesa and brw_fs. This was done to minimize whitespace changes / reindentation in some loops. The following commit will restore formatting sanity. Reviewed-by: Eric Anholt <[email protected]> Reviewed-by: Chad Versace <[email protected]>
* glsl: Explicitly specify a type when reading/printing ir_texture.Kenneth Graunke2011-03-141-12/+12
| | | | | | This is necessary for GLSL 1.30+ shadow sampling functions, which return a single float rather than splatting the value to a vec4 based on GL_DEPTH_TEXTURE_MODE.
* Use C-style system headers in C++ code to avoid issues with std:: namespaceIan Romanick2011-02-211-2/+2
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* glsl: Introduce a new "const_in" variable mode.Kenneth Graunke2011-01-311-0/+1
| | | | | | | | This annotation is for an "in" function parameter for which it is only legal to pass constant expressions. The only known example of this, currently, is the textureOffset functions. This should never be used for globals.
* glsl: Change texel offsets to a single vector rvalue.Kenneth Graunke2011-01-311-13/+13
| | | | | | | | | | | Having these as actual integer values makes it difficult to implement the texture*Offset built-in functions, since the offset is actually a function parameter (which doesn't have a constant value). The original rationale was that some hardware needs these offset baked into the instruction opcode. However, at least i965 should be able to support non-constant offsets. Others should be able to rely on inlining and constant propagation.
* Convert everything from the talloc API to the ralloc API.Kenneth Graunke2011-01-311-5/+2
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* glsl: Propagate depth layout qualifier from AST to IRChad Versace2011-01-261-0/+8
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* glsl: Define enum ir_depth_layoutChad Versace2011-01-261-0/+19
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* Merge branch 'draw-instanced'Brian Paul2011-01-151-0/+1
|\ | | | | | | | | | | | | | | Conflicts: src/gallium/auxiliary/draw/draw_llvm.c src/gallium/drivers/llvmpipe/lp_state_fs.c src/glsl/ir_set_program_inouts.cpp src/mesa/tnl/t_vb_program.c
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