| Commit message (Collapse) | Author | Age | Files | Lines |
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The information was lost during linking, causing the layout to be treated as
FRAG_DEPTH_LAYOUT_NONE.
Signed-off-by: Chia-I Wu <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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I don't know of any applications that actually use it. Now that Mesa
supports GL_ARB_separate_shader_objects in all drivers, this extension
is just cruft.
The entrypoints for the extension remain in the XML. This is done so
that a new libGL will continue to provide dispatch support for old
drivers that try to expose this extension.
Future patches will add OpenGL ES GL_EXT_separate_shader_objects, but
that's a different thing.
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
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Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
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Extend use_shader_program to support a different target. Allow to reuse the
function to update the pipeline state. Note I bypass the flush when target
isn't current. Maybe it would be better to create a new UseProgramStages
driver function
This was originally included in another patch, but it was split out by
Ian Romanick.
Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
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Basically a sed but shaderapi.c and get.c.
get.c => GL_CURRENT_PROGAM always refer to the "old" UseProgram behavior
shaderapi.c => the old api stil update the Shader object directly
V2: formatting improvement
V3 (idr):
* Rebase fixes after a block of code was moved from ir_to_mesa.cpp to
shaderapi.c.
* Trivial reformatting.
Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
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To avoid NULL pointer check a default pipeline object is installed in
_Shader when no program is current
The spec say that UseProgram/UseShaderProgramEXT/ActiveProgramEXT got an
higher priority over the pipeline object. When default program is
uninstall, the pipeline is used if any was bound.
Note: A careful rename need to be done now...
V2: formating improvement
V3 (idr):
* Build fix. The original patch added calls to _mesa_use_shader_program
with 4 parameters, but the fourth parameter isn't added to that
function until a much later patch. Just drop that parameter for now.
* Trivial reformatting.
* Updated comment of gl_context::_Shader
v4 (idr): Reformat spec quotations to look like spec quotations. Update
comments describing what gl_context::_Shader can point to. Bot
suggested by Eric.
Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
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Reviewed-by: José Fonseca <[email protected]>
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i965 recently moved debug printfs to use stderr, including ones which
trigger on MESA_GLSL=dump. This resulted in scrambled output.
For drivers using ir_to_mesa, print_program was already using stderr,
yet all the code around it was using stdout.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Brian Paul <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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While we want to be able to print to stdout for glsl_compiler, for
debugging drivers we want to be able to dump to stderr because that's
where other driver debug (like LIBGL_DEBUG) tends to go, and because some
apps actually close stdout to shut up their own messages (such as the X
Server, or NWN).
Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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This was originally included in another patch, but it was split out by
Ian Romanick.
Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>
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This will allow the guts of the implementation to be shared with
_mesa_CreateShaderProgramv.
This was originally included in another patch, but it was split out by
Ian Romanick.
Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>
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This was originally included in another patch, but it was split out by
Ian Romanick.
Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>
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Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>
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Future patches will use this function outside shaderapi.c.
This was originally included in another patch, but it was split out by
Ian Romanick.
Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>
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Nothings implemented yet but glProgramUniform* which are mostly a
copy/paste of the older function glUniform*
I create dedicated pipelineobj.[ch] file that will contains function
related to the "new" pipeline container object.
V2: formatting improvement
V3:
* indentation fix
* Update copyright
* Add a comment on ProgramParameteri already present in another extension
* Remove TODO, will be readded on correct patch
V4 (idr):
* Fix dispatch_sanity unit test
* Make extension string available in core profiles (instead of just
compatibility).
* Trivial reformating
Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>
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v3:
* Add check for ARB_gpu_shader5
Signed-off-by: Jordan Justen <[email protected]>
Reviewed-by: Paul Berry <[email protected]>
Reviewed-by: Anuj Phogat <[email protected]>
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Signed-off-by: Jordan Justen <[email protected]>
Reviewed-by: Paul Berry <[email protected]>
Reviewed-by: Anuj Phogat <[email protected]>
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Fix formatting, add new comments, get rid of extraneous indentation.
Suggested by Ian in bug 74723.
Reviewed-by: Ian Romanick <[email protected]>
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Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=74723
Cc: "10.0" "10.1" <[email protected]>
Tested-by: Andreas Boll <[email protected]>
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v2: Improve error message.
Reviewed-by: Jordan Justen <[email protected]>
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Reviewed-by: Jordan Justen <[email protected]>
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v2: do cs after the ordered pipeline stages for consistency.
Reviewed-by: Matt Turner <[email protected]>
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This patch adds MESA_SHADER_COMPUTE to the gl_shader_stage enum.
Also, where it is trivial to do so, it adds a compute shader case to
switch statements that switch based on the type of shader. This
avoids "unhandled switch case" compiler warnings.
Reviewed-by: Matt Turner <[email protected]>
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This is possible now that ctx->Shader.CurrentProgram is an array.
Reviewed-by: Chris Forbes <[email protected]>
Reviewed-by: Brian Paul <[email protected]>
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array.
These are replaced with
ctx->Shader.CurrentProgram[MESA_SHADER_{VERTEX,FRAGMENT,GEOMETRY}].
In patches to follow, this will allow us to replace a lot of ad-hoc
logic with a variable index into the array.
With the exception of the changes to mtypes.h, this patch was
generated entirely by the command:
find src -type f '(' -iname '*.c' -o -iname '*.cpp' ')' \
-print0 | xargs -0 sed -i \
-e 's/\.CurrentVertexProgram/.CurrentProgram[MESA_SHADER_VERTEX]/g' \
-e 's/\.CurrentGeometryProgram/.CurrentProgram[MESA_SHADER_GEOMETRY]/g' \
-e 's/\.CurrentFragmentProgram/.CurrentProgram[MESA_SHADER_FRAGMENT]/g'
Reviewed-by: Chris Forbes <[email protected]>
Reviewed-by: Brian Paul <[email protected]>
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This will allow this function to be used in circumstances where there
is no context available, such as when building built-in GLSL
functions.
Reviewed-by: Chris Forbes <[email protected]>
Reviewed-by: Brian Paul <[email protected]>
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Reviewed-by: Chris Forbes <[email protected]>
Reviewed-by: Brian Paul <[email protected]>
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These are replaced with
ctx->Const.Program[MESA_SHADER_{VERTEX,FRAGMENT,GEOMETRY}]. In
patches to follow, this will allow us to replace a lot of ad-hoc logic
with a variable index into the array.
With the exception of the changes to mtypes.h, this patch was
generated entirely by the command:
find src -type f '(' -iname '*.c' -o -iname '*.cpp' -o -iname '*.py' \
-o -iname '*.y' ')' -print0 | xargs -0 sed -i \
-e 's/Const\.VertexProgram/Const.Program[MESA_SHADER_VERTEX]/g' \
-e 's/Const\.GeometryProgram/Const.Program[MESA_SHADER_GEOMETRY]/g' \
-e 's/Const\.FragmentProgram/Const.Program[MESA_SHADER_FRAGMENT]/g'
Suggested-by: Brian Paul <[email protected]>
Reviewed-by: Brian Paul <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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This reduces confusion since gl_shader::Type is sometimes
GL_SHADER_PROGRAM_MESA but is more frequently
GL_SHADER_{VERTEX,GEOMETRY,FRAGMENT}. It also has the advantage that
when switching on gl_shader::Stage, the compiler will alert if one of
the possible enum types is unhandled. Finally, many functions in
src/glsl (especially those dealing with linking) already use
gl_shader_stage to represent pipeline stages; using gl_shader::Stage
in those functions avoids the need for a conversion.
Note: in the process I changed _mesa_write_shader_to_file() so that if
it encounters an unexpected shader stage, it will use a file suffix of
"????" rather than "geom".
Reviewed-by: Brian Paul <[email protected]>
v2: Split from patch "mesa: Store gl_shader_stage enum in gl_shader objects."
Reviewed-by: Kenneth Graunke <[email protected]>
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Previously, we had an enum called gl_shader_type which represented
pipeline stages in the order they occur in the pipeline
(i.e. MESA_SHADER_VERTEX=0, MESA_SHADER_GEOMETRY=1, etc), and several
inconsistently named functions for converting between it and other
representations:
- _mesa_shader_type_to_string: gl_shader_type -> string
- _mesa_shader_type_to_index: GLenum (GL_*_SHADER) -> gl_shader_type
- _mesa_program_target_to_index: GLenum (GL_*_PROGRAM) -> gl_shader_type
- _mesa_shader_enum_to_string: GLenum (GL_*_{SHADER,PROGRAM}) -> string
This patch tries to clean things up so that we use more consistent
terminology: the enum is now called gl_shader_stage (to emphasize that
it is in the order of pipeline stages), and the conversion functions are:
- _mesa_shader_stage_to_string: gl_shader_stage -> string
- _mesa_shader_enum_to_shader_stage: GLenum (GL_*_SHADER) -> gl_shader_stage
- _mesa_program_enum_to_shader_stage: GLenum (GL_*_PROGRAM) -> gl_shader_stage
- _mesa_progshader_enum_to_string: GLenum (GL_*_{SHADER,PROGRAM}) -> string
In addition, MESA_SHADER_TYPES has been renamed to MESA_SHADER_STAGES,
for consistency with the new name for the enum.
Reviewed-by: Kenneth Graunke <[email protected]>
v2: Also rename the "target" field of _mesa_glsl_parse_state and the
"target" parameter of _mesa_shader_stage_to_string to "stage".
Reviewed-by: Brian Paul <[email protected]>
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Previously, _mesa_glsl_shader_target_name() had an overload for GLenum
and an overload for the gl_shader_type enum, each of which behaved
differently. However, since GLenum is a synonym for unsigned int, and
unsigned ints are often used in place of gl_shader_type (e.g. in loop
indices), there was a big risk of calling the wrong overload by
mistake. This patch gives the two overloads different names so that
it's always clear which one we mean to call.
Reviewed-by: Brian Paul <[email protected]>
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Signed-off-by: Tapani Pälli <[email protected]>
Reviewed-by: Brian Paul <[email protected]>
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Since it's helpful to know why the shader did not compile.
Also, call fflush() for Windows.
Reviewed-by: José Fonseca <[email protected]>
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The return value has been unused since commit d348b0c. This was
originally included in another patch, but it was split out by Ian
Romanick.
v2: Drop unnecessary final return. Suggested by Paul.
Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Paul Berry <[email protected]>
Cc: Eric Anholt <[email protected]>
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This patch implements the common support code required for the
ARB_shader_atomic_counters extension. It defines the necessary data
structures for tracking atomic counter buffer objects (from now on
"ABOs") associated with some specific context or shader program, it
implements support for binding buffers to an ABO binding point and
querying the existing atomic counters and buffers declared by GLSL
shaders.
v2: Fix extension checks. Drop unused MAX_ATOMIC_BUFFERS constant.
Acked-by: Paul Berry <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
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The queries GEOMETRY_VERTICES_OUT, GEOMETRY_INPUT_TYPE, and
GEOMETRY_OUTPUT_TYPE (defined by GL 3.2) differ from the corresponding
queries in ARB_geometry_shader4 in the following ways:
- They use different enum values
- They can only be queried; they cannot be set.
- Attempting to query them yields INVALID_OPERATION if the program is
not linked, or lacks a geometry shader.
This patch switches us over from the ARB_geometry_shader4 behaviour to
the GL 3.2 behaviour.
Fixes piglit test query-gs-prim-types.
v2: Improve comment above has_core_gs.
Reviewed-by: Kenneth Graunke <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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This will make it easier for back-ends to share code between geometry
shader and vertex shader compilation. Also, it is renamed to
"UsesClipDistanceOut" to clarify that (a) in geometry shaders, it
refers to the gl_ClipDistance output rather than the gl_ClipDistance
input, and (b) it is irrelevant in fragment shaders.
Reviewed-by: Kenneth Graunke <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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Geometry shader support is now working well, and adequately piglit
tested. There are just a few piglit failures left to fix. So there's
no need for an "experimental" warning anymore.
Reviewed-by: Matt Turner <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
Reviewed-by: Chris Forbes <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>
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Paused transform feedback objects may refer to a program other than the
current program. If any active objects refer to a program, LinkProgram
must reject the request to relink.
The code to detect this is ugly since _mesa_HashWalk is awkward to use,
but unfortunately we can't use hash_table_foreach since there's no way
to get at the underlying struct hash_table (and even then, we'd need to
handle locking somehow).
Fixes the last subcase of Piglit's new ARB_transform_feedback2
api-errors test.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Marek Olšák <[email protected]>
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This information will be useful in the i965 back end, since we can
save some compilation effort if we know from the outset that the
shader never calls EndPrimitive().
Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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This patch extracts the following logic from
validate_vertex_shader_executable():
(a) Generate an error if the shader writes to both gl_ClipDistance and
gl_ClipVertex.
(b) Record whether the shader writes to gl_ClipDistance in
gl_shader_program for use by the back-end.
(c) Record the size of gl_ClipDistance in gl_shader_program for use by
transform feedback logic.
And moves it into a function that is shared between vertex and
geometry shaders.
Strictly speaking we only need to have shared logic for (b) and (c)
right now (since (a) only matters in compatibility contexts, and we're
only implementing geometry shaders in core contexts right now). But
the three are closely related enough that it seems sensible to keep
them together.
Reviewed-by: Kenneth Graunke <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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Geometry shader support in the Mesa front end is still fairly
preliminary. Many features are untested, and the following things are
known not to work:
- The gl_in interface block
- The gl_ClipDistance input
- Transform feedback of geometry shader outputs
- Constants that are new in GLSL 1.50 (e.g. gl_MaxGeometryInputComponents)
This isn't a problem, since no back-end drivers currently enable
geometry shaders. However, to make sure no one gets the wrong
impression, emit a nasty warning to let the user know that geometry
shader support isn't complete.
Reviewed-by: Kenneth Graunke <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
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ARB_geometry_shader4 spec Errors:
"The error INVALID_VALUE is generated by ProgramParameteriARB if <pname>
is GEOMETRY_VERTICES_OUT_ARB and <value> is negative."
Reviewed-by: Paul Berry <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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The documentation for gl_shader_program.Geom and gl_geometry_program
says that the former is copied to the latter at link time, but this
wasn't happening. This patch causes _mesa_ir_link_shader() to perform
the copy, and updates comment accordingly.
Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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This patch creates a single function to copy the the UsesClipDistance
flag from gl_shader_program.Vert to gl_vertex_program. Previously
this logic was duplicated in the i965-specific function
brw_link_shader() and the core mesa function _mesa_ir_link_shader().
This logic will have to be expanded to support geometry shaders, and I
don't want to have to update it in two separate places.
Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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Previously, we assumed that the only way Mesa would expose geometry
shader support was via the ARB_geometry_shader4 extension. But this
extension has some extra complications over GL 3.2 (interactions with
compatibility-only features, and link-time initialization of the
constant gl_VerticesIn). So we want to allow for the possibility of
supporting GL 3.2 (with GLSL 1.50 style geometry shaders) even if
ctx->Extensions.ARB_geometry_shader4 is false.
This patch adds a new function, _mesa_has_geometry_shaders(), which
returns true if either ARB_geometry_shader4 is supported or the GL
version is at least 3.2 desktop. Since compute_version() only enables
GL 3.2 functionality when GLSL 1.50 support is present, a sufficient
way for a back-end to advertise geometry shader support is to set
ctx->Const.GLSLVersion >= 150.
v2: Remove unnecessary ctx->Const.GeometryShaders150 constant.
Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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Reviewed-by: Kenneth Graunke <[email protected]>
Reviewed-by: Brian Paul <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
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This code had no relation to ir_to_mesa.cpp, since it was also used by
intel and state_tracker, and most of it was duplicated with the standalone
compiler (which has periodically drifted from the Mesa copy).
v2: Split from the ir_to_mesa to shaderapi.c changes.
Acked-by: Paul Berry <[email protected]> (v1)
Reviewed-by: Kenneth Graunke <[email protected]>
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There was nothing ir_to_mesa-specific about this code, but it's not
exactly part of the compiler's core turning-source-into-IR job either.
v2: Split from the ir_to_mesa to glsl/ commit, avoid renaming the sh
variable.
Acked-by: Paul Berry <[email protected]> (v1)
Reviewed-by: Kenneth Graunke <[email protected]>
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