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* swrast: use _swrast_pixel_address() helper functionBrian Paul2011-12-243-32/+20
| | | | Reviewed-by: Eric Anholt <[email protected]>
* swrast: rewrite stencil test codeBrian Paul2011-12-241-858/+259
| | | | | | | | Stop using the deprecated renderbuffer Get/Put Row/Values functions. Consolidate code paths, etc. The file is nearly half the size it used to be! Reviewed-by: Eric Anholt <[email protected]>
* swrast: remove dead code in s_stencil.cBrian Paul2011-12-241-33/+0
| | | | Reviewed-by: Eric Anholt <[email protected]>
* swrast: rewrite _swrast_read_stencil_span()Brian Paul2011-12-241-5/+26
| | | | | | | | | Use format pack/unpack functions instead of deprecated renderbuffer GetRow/PutRow functions. v2: use get_stencil_address(), s/destVals/newVals/ Reviewed-by: Eric Anholt <[email protected]>
* swrast: rewrite _swrast_read_depth_span_float()Brian Paul2011-12-241-25/+4
| | | | | | Stop using the deprecated renderbuffer GetRow() function. Reviewed-by: Eric Anholt <[email protected]>
* mesa: rewrite _swrast_depth_bounds_test()Brian Paul2011-12-241-82/+21
| | | | | | Stop using the deprecated renderbuffer functions. Reviewed-by: Eric Anholt <[email protected]>
* swrast: rewrite depth-testing codeBrian Paul2011-12-241-1019/+208
| | | | | | | Consolidate code, stop using the deprecateted renderbuffer Put/Get Row/Values() functions. Reviewed-by: Eric Anholt <[email protected]>
* swrast: stop using _swrast_get_values() in z/depth codeBrian Paul2011-12-241-6/+75
| | | | Reviewed-by: Eric Anholt <[email protected]>
* swrast: stop using _swrast_get_values() in stencil codeBrian Paul2011-12-241-1/+30
| | | | | | That function will go a way in the future. Reviewed-by: Eric Anholt <[email protected]>
* swrast: do fast_copy_pixels() with Map/UnmapRenderbuffer()Brian Paul2011-12-241-43/+89
| | | | | | v2: use memmove() instead of memcpy() in case of overlap Reviewed-by: Eric Anholt <[email protected]>
* swrast: replace GetRow() call with _mesa_unpack_ubyte_stencil_row()Brian Paul2011-12-241-1/+5
| | | | Reviewed-by: Eric Anholt <[email protected]>
* mesa: remove gl_renderbufer::PutMonoRow() and PutMonoValues()Brian Paul2011-12-2414-1835/+8
| | | | | | | The former was only used for clearing buffers. The later wasn't used anywhere! Remove them and all implementations of those functions. Reviewed-by: Eric Anholt <[email protected]>
* swrast: rewrite color buffer clearing to use Map/UnmapRenderbuffer()Brian Paul2011-12-241-112/+113
| | | | | | v2: use _mesa_pack_colormask() helper and fix incorrect masking arithmetic Reviewed-by: José Fonseca <[email protected]>
* mesa: add _mesa_pack_colormask()Brian Paul2011-12-242-0/+78
| | | | | | For generating bit-wise colormasks for arbitrary pixel formats. Reviewed-by: José Fonseca <[email protected]>
* mesa: add _mesa_get_format_max_bits()Brian Paul2011-12-242-0/+19
| | | | | | Returns max bits per channel for the given format. Reviewed-by: José Fonseca <[email protected]>
* swrast: do depth/stencil clearing with Map/UnmapRenderbuffer()Brian Paul2011-12-245-140/+305
| | | | | | | | Another step toward getting rid of the renderbuffer PutRow/etc functions. v2: fix assorted depth/stencil clear bugs found by Eric Reviewed-by: José Fonseca <[email protected]>
* mesa: split get_tex_rgba() into compressed/uncompressed versionsBrian Paul2011-12-241-145/+175
| | | | | | | This just splits one big function into two smaller ones for better readability. Reviewed-by: José Fonseca <[email protected]>
* mesa: fix comments in getteximage_error_check()Brian Paul2011-12-241-2/+2
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* mesa: move the format and type check before select_tex_image()Jian Zhao2011-12-241-6/+6
| | | | | | | | | | Move the format and type check before select_tex_image, or it will fail to report the mismatch error if the teximage is null. Reported-by: Anuj Phogat <[email protected]> Signed-off-by: Jian Zhao <[email protected]> Reviewed-by: Yuanhan Liu <[email protected]> Signed-off-by: Brian Paul <[email protected]>
* i965/gen7: Fix feedback for flat-shaded tristrips versus provoking vertex.Eric Anholt2011-12-231-0/+5
| | | | | | | Fixes piglit tesselation triangle_strip flat_last. Reviewed-by: Kenneth Graunke <[email protected]> (v1) Reviewed-by: Paul Berry <[email protected]>
* i965/gen7: Add support for transform feedback.Eric Anholt2011-12-231-7/+201
| | | | | | | | | | | | Fixes almost all of the transform feedback piglit tests. Remaining are a few tests related to tesselation for quads/trifans/tristrips/polygons with flat shading. v2: Incorporate Paul's feedback (squash with previous, state flag note, static assert, update FINISHME) Reviewed-by: Kenneth Graunke <[email protected]> (v1) Reviewed-by: Paul Berry <[email protected]>
* i965/gen7: Move SOL stage disable to gen7_sol_state.cEric Anholt2011-12-234-7/+58
| | | | | | | We'll be growing more code in here as we actually enable the unit. Reviewed-by: Kenneth Graunke <[email protected]> Reviewed-by: Paul Berry <[email protected]>
* i965/gen7: Add register definitions for GL_EXT_transform_feedback.Eric Anholt2011-12-232-2/+86
| | | | | | | v2: Make the buffer enable bitfield take an index argument. Reviewed-by: Kenneth Graunke <[email protected]> Reviewed-by: Paul Berry <[email protected]>
* i965/gen7: Make primitives_written counting work.Eric Anholt2011-12-231-6/+27
| | | | | | | | | | | The code was relying on gs.prog_data's copy of the number-of-verts-per-prim, which segfaulted on gen7 since it doesn't make a GS program. We can easily calculate that value right here. v2: Fix svbi_0_starting_index regression. Reviewed-by: Paul Berry <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]>
* i965/gen7: Enable EXT_transform_feedback extension under 3.0 override.Eric Anholt2011-12-231-1/+1
| | | | | Reviewed-by: Kenneth Graunke <[email protected]> Reviewed-by: Paul Berry <[email protected]>
* i965 Gen6+: Invalidate VF address-based cache on flushPaul Berry2011-12-231-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Although there is not much documentation of this fact, there are in fact two separate VF caches: - an "index-based" cache (described in the Sandy Bridge PRM, vol 2 part 1, section 2.1.2 "Vertex Cache"). This cache stores URB handles of vertex shader outputs; its purpose is to avoid redundant invocations of the vertex shader when drawing in random access mode (e.g. glDrawElements()), and the same vertex index is specified multiple times. It is automatically invalidated between 3D_PRIMITIVE commands and between instances within a single 3D_PRIMITIVE command. - an "address-based" cache (mentioned briefly in vol 2 part 1, section 1.7.4 "PIPE_CONTROL Command"). This cache stores the data read from vertex buffers; its purpose is to avoid redundant memory accesses when doing instanced drawing or when multiple 3D_PRIMITIVE commands access the same vertex data. It needs to be manually invalidated whenever new data is written to a buffer that is used for vertex data. Previous to this patch, it was not necessary for Mesa to explicitly invalidate the address-based cache, because there were no reasonable use cases in which the GPU would write to a vertex data buffer during a batch, and inter-batch flushing was taken care of by the kernel. However, with transform feedback, there is now a reasonable use case: vertex data is written to a buffer using transform feedback, and then that data is immediately re-used as vertex input in the next drawing operation. To make this use case work, we need to flush the address-based VF cache between transform feedback and the next draw operation. Since we are already calling intel_batchbuffer_emit_mi_flush() when transform feedback completes, and intel_batchbuffer_emit_mi_flush() is intended to invalidate all caches, it seems reasonable to add VF cache invalidation to this function. As with commit 63cf7fad13fc9cfdd2ae7b031426f79107000300 (i965: Flush pipeline on EndTransformFeedback), this is not an ideal solution. It would be preferable to only invalidate the VF cache if the next draw call was about to consume data generated by a previous draw call in the same batch. However, since we don't have the necessary dependency tracking infrastructure to figure that out right now, we have to overzealously invalidate the cache. Fixes Piglit test "EXT_transform_feedback/immediate-reuse". Reviewed-by: Kenneth Graunke <[email protected]>
* i965 gen6: Resend binding table pointer after updating SOL bindings.Paul Berry2011-12-231-0/+2
| | | | | | | | | After creating new binding table entries for transform feedback, we need to set the dirty flag BRW_NEW_SURFACES, so that a new binding table pointer will be sent to the hardware. Otherwise the new binding table entries will not take effect. Reviewed-by: Kenneth Graunke <[email protected]>
* i965: Rename BRW_NEW_WM_SURFACES to BRW_NEW_SURFACES.Paul Berry2011-12-233-9/+9
| | | | | | | | | The surface states tracked by BRW_NEW_WM_SURFACES are no longer used for just WM. They are also used for vertex texturing and transform feedback. To avoid confusion, this patch renames BRW_NEW_WM_SURFACES to BRW_NEW_SURFACES. Reviewed-by: Kenneth Graunke <[email protected]>
* i965: Don't use BRW_DEPTHFORMAT_D24_UNORM_X8_UINT on Gen4.Kenneth Graunke2011-12-231-1/+4
| | | | | | | | | | | X8 depth formats weren't supported until Ironlake (Gen 5). Fixes GPU hangs introduced in d84a180417d1eabd680554970f1eaaa93abcd41e. One example test case was "fbo-missing-attachment-blit from". Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Chad Versace <[email protected]> Reviewed-by: Eric Anholt <[email protected]>
* mesa: Pause transform feedback during meta ops.Paul Berry2011-12-231-0/+13
| | | | | | | | | Fixes piglit tests "EXT_transform_feedback/generatemipmap buffer" and "EXT_transform_feedback/generatemipmap prims_written" on i965 Gen6. Reviewed-by: Brian Paul <[email protected]> Reviewed-by: Eric Anholt <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]>
* i965 gen6: Implement transform feedback pause/resume functionality.Paul Berry2011-12-233-3/+6
| | | | | | | | | Although i965 gen6 does not yet support ARB_transform_feedback2 or NV_transform_feedback2, it needs to support pause/resume functionality so that meta-ops will work correctly. Reviewed-by: Eric Anholt <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]>
* mesa: Disable certain error checks when transform feedback is pausedPaul Berry2011-12-232-3/+5
| | | | | | | | | | When transform feedback is paused, it is legal to change programs or to perform drawing operations using a drawing mode that doesn't match the transform feedback mode. Reviewed-by: Brian Paul <[email protected]> Reviewed-by: Eric Anholt <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]>
* mesa: Ensure that Paused is reset to false on EndTransformFeedback.Paul Berry2011-12-231-0/+1
| | | | | | | | | | | | If a client calls BeginTransformFeedback(), then PauseTransformFeedback(), then EndTransformFeedback(), we need to make sure that the transform feedback object is not left in a "paused" state, otherwise the next call to BeginTransformFeedback() will leave transform feedback paused. Reviewed-by: Brian Paul <[email protected]> Reviewed-by: Eric Anholt <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]>
* mesa: Save and restore GL_RASTERIZER_DISCARD state during meta ops.Paul Berry2011-12-231-0/+7
| | | | | | | | | | | | | | | During meta-operations (such as _mesa_meta_GenerateMipmap()), we need to be able to draw even if GL_RASTERIZER_DISCARD is enabled. This patch causes _mesa_meta_begin() to save the state of GL_RASTERIZER_DISCARD and disable it (so that drawing can be done during the meta-op), and causes _mesa_meta_end() to restore it. Fixes piglit test "EXT_transform_feedback/generatemipmap discard" on i965 Gen6. Reviewed-by: Brian Paul <[email protected]> Reviewed-by: Eric Anholt <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]>
* dri2: Add createContextAttribs entry point for DRISW version 3Ian Romanick2011-12-231-2/+6
| | | | Signed-off-by: Ian Romanick <[email protected]>
* dri2: Add createContextAttribs entry point for DRI2 version 3Ian Romanick2011-12-231-2/+6
| | | | Signed-off-by: Ian Romanick <[email protected]>
* st-api: Have context_create explain why creation failedIan Romanick2011-12-231-1/+8
| | | | | | | | | | This won't be used in the client-side libGL, but the xserver has to generate a different protocol error depending on the reason context creation failed. Signed-off-by: Ian Romanick <[email protected]> Reviewed-by: Brian Paul <[email protected]> Reviewed-by: Chia-I Wu <[email protected]>
* format_unpack: add 8/16 rgba/rgb types.Dave Airlie2011-12-221-0/+134
| | | | | | | | | | fixing these makes piglit fbo-integer pass on softpipe. modified to re-order things, haven't addressed Eric's concerns, can't find anything in spec that mentions sign extensions, it does say integers aren't clamped or modified. Signed-off-by: Dave Airlie <[email protected]>
* i965: Don't make consumers of brw_CONT/brw_WHILE track if depth in loop.Eric Anholt2011-12-216-58/+25
| | | | | | | The codegen backends all had this same tracking, so just do it at the EU level. Reviewed-by: Yuanhan Liu <[email protected]>
* i965: Don't make consumers of brw_WHILE do pre-gen6 BREAK/CONT patching.Eric Anholt2011-12-214-86/+45
| | | | | | | The EU code itself can just do this work, since all the consumers were duplicating it. Reviewed-by: Yuanhan Liu <[email protected]>
* i965: Don't make consumers of brw_DO()/brw_WHILE() track loop start.Eric Anholt2011-12-219-28/+58
| | | | | | | This is a similar cleanup to what we did for brw_IF(), brw_ELSE(), brw_ENDIF() handling. Reviewed-by: Yuanhan Liu <[email protected]>
* i965: Drop unused do_insn argument from gen6_CONT().Eric Anholt2011-12-215-7/+5
| | | | | | The branch distances get patched up later at the WHILE instruction. Reviewed-by: Yuanhan Liu <[email protected]>
* mesa: Add _NEW_RASTERIZER_DISCARD as synonym for _NEW_TRANSFORM.Paul Berry2011-12-214-5/+12
| | | | | | | | | | This makes it easier to keep track of which dirty bits correspond to which pieces of context, since it makes _NEW_RASTERIZER_DISCARD correspond with ctx->RasterDiscard. Reviewed-by: Kenneth Graunke <[email protected]> Reviewed-by: Ian Romanick <[email protected]> Reviewed-by: Marek Olšák <[email protected]>
* mesa: Move RasterDiscard to toplevel of gl_context.Paul Berry2011-12-218-19/+19
| | | | | | | | | | | | | | | | | | | | Previously we were storing the RasterDiscard flag (for GL_RASTERIZER_DISCARD) in gl_context::TransformFeedback. This was confusing, because we use the _NEW_TRANSFORM flag (not _NEW_TRANSFORM_FEEDBACK) to track state updates to it, and because rasterizer discard has effects even when transform feedback is not in use. This patch makes RasterDiscard a toplevel element in gl_context rather than a subfield of gl_context::TransformFeedback. Note: We can't put RasterDiscard inside gl_context::Transform, since all items inside gl_context::Transform need to be pieces of state that are saved and restored using PushAttrib and PopAttrib. Reviewed-by: Kenneth Graunke <[email protected]> Reviewed-by: Ian Romanick <[email protected]> Reviewed-by: Marek Olšák <[email protected]>
* i965 gen6: Turn on transform feedback extension unconditionally.Paul Berry2011-12-201-1/+1
| | | | | | | | | | | | Previously, we only enabled transform feedback when MESA_GL_VERSION_OVERRIDE was 3.0 or greater, since transform feedback support was not completely finished, so it didn't make sense to advertise support for it unless absolutely necessary. Now that transform feedback is fully implemented on gen6, we can enable this extension unconditionally. Reviewed-by: Kenneth Graunke <[email protected]>
* i965 gen6: Implement transform feedback queries.Paul Berry2011-12-203-0/+54
| | | | | | | | | | | | | | | | | | | | This patch adds software-based PRIMITIVES_GENERATED and TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN queries that work by keeping track of the number of primitives that are sent down the pipeline, and adjusting as necessary to account for the way each primitive type is tessellated. In the long run we'll want to replace this with a hardware-based implementation, because the software approach won't work with geometry shaders or primitive restart. However, at the moment, we don't have the necessary kernel support to implement a hardware-based query (we would need the kernel to save GPU registers when context switching, so that drawing performed by another process doesn't get counted). Fixes Piglit tests EXT_transform_feedback/query-primitives_generated-* and EXT_transform_feedback/query-primitives-written-*. Reviewed-by: Kenneth Graunke <[email protected]>
* i965: Convert if/else to switch statements in brw_queryobj.cPaul Berry2011-12-201-6/+30
| | | | | | | | | | | | | Previously, i965 only supported two query types: GL_TIME_ELAPSED_EXT and GL_SAMPLES_PASSED_ARB, and it distinguished between the two using if/else statements that compared query->Base.Target to GL_TIME_ELAPSED_EXT. This patch changes the if/else statements to switch statements so that we can add more query types without having to have a chain of else-ifs. Reviewed-by: Kenneth Graunke <[email protected]>
* i965 gen6: Ensure correct transform feedback indices on new batch.Paul Berry2011-12-205-8/+72
| | | | | | | | | | | | | | | | We don't currently have kernel support for saving GPU registers on a context switch, so if multiple processes are performing transform feedback at the same time, their SVBI registers will interfere with each other. To avoid this situation, we keep a software shadow of the state of the SVBI 0 register (which is the only register we use), and re-upload it on every new batch. The function that updates the shadow state of SVBI 0 is called brw_update_primitive_count, since it will also be used to update the counters for the PRIMITIVES_GENERATED and TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN queries. Reviewed-by: Kenneth Graunke <[email protected]>
* mesa: Add a function to query whether a meta-op is in progress.Paul Berry2011-12-202-0/+13
| | | | | | | This is needed by i965 to ensure that transform feedback counters are not incremented during meta-ops. Reviewed-by: Kenneth Graunke <[email protected]>
* mesa: Add count_tessellated_primitives() function.Paul Berry2011-12-202-0/+51
| | | | | | | | | | | This function computes the number of primitives that will be generated when the given drawing operation is performed. It accounts for the tessellation that is performed on line strips, line loops, triangle strips, triangle fans, quads, quad strips, and polygons, so it is suitable for implementing the primitive counters needed by transform feedback. Reviewed-by: Kenneth Graunke <[email protected]>
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