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nir/linker: Add the start of a pure-NIR linker for XFB

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v2: ignore names on purpose, for consistency with other places where
    we are doing the same (Alejandro)

v3: changes proposed by Timothy Arceri, implemented by Alejandro Piñeiro:
   * Remove redundant 'struct active_xfb_varying'
   * Update several comments, including spec quotes if needed
   * Rename struct 'active_xfb_varying_array' to 'active_xfb_varyings'
   * Rename variable 'array' to 'active_varyings'
   * Replace one if condition for an assert (<MAX_FEEDBACK_BUFFERS)
   * Remove BufferMode initialization (was already done)

v4: simplify output pointer handling (Timothy)

Signed-off-by: Neil Roberts <nroberts@igalia.com>
Signed-off-by: Alejandro Piñeiro <apinheiro@igalia.com>

Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
This commit is contained in:
Neil Roberts
2017-12-12 17:27:44 +01:00
committed by Alejandro Piñeiro
parent 9fbe5bd811
commit b9719b4b05
4 changed files with 321 additions and 0 deletions
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src/compiler/glsl/gl_nir_linker.h
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@@ -43,6 +43,9 @@ void nir_build_program_resource_list(struct gl_context *ctx,
void gl_nir_link_assign_atomic_counter_resources(struct gl_context *ctx,
struct gl_shader_program *prog);
void gl_nir_link_assign_xfb_resources(struct gl_context *ctx,
struct gl_shader_program *prog);
#ifdef __cplusplus
} /* extern "C" */
#endif